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Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarks

Using approximately 4.3 million hadronic Z^0 decays collected with the OPAL detector at LEP between 1990 and 1995, we measure the branching fractions of the Z^0 into up-type and down-type light quarks, R_q, and the forward-backward asymmetries, A_FB(q), using high-momentum stable particles as a tag....

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Detalles Bibliográficos
Autores principales:	Ackerstaff, K., Alexander, G., Allison, John, Altekamp, N., Anderson, K.J., Anderson, S., Arcelli, S., Asai, S., Axen, D., Azuelos, G., Ball, A.H., Barberio, E., Barlow, Roger J., Bartoldus, R., Batley, J.R., Baumann, S., Bechtluft, J., Beeston, C., Behnke, T., Bell, A.N., Bell, Kenneth Watson, Bella, G., Bentvelsen, S., Berlich, P., Bethke, S., Biebel, O., Biguzzi, A., Bird, S.D., Blobel, V., Bloodworth, I.J., Bloomer, J.E., Bobinski, M., Bock, P., Bonacorsi, D., Boutemeur, M., Bouwens, B.T., Braibant, S., Brigliadori, L., Brown, Robert M., Burckhart, H.J., Burgard, C., Burgin, R., Capiluppi, P., Carnegie, R.K., Carter, A.A., Carter, J.R., Chang, C.Y., Charlton, David G., Chrisman, D., Clarke, P.E.L., Cohen, I., Conboy, J.E., Cooke, O.C., Cuffiani, M., Dado, S., Dallapiccola, C., Dallavalle, G.Marco, De Jong, S., del Pozo, L.A., Desch, K., Dixit, M.S., do Couto e Silva, E., Doucet, M., Duchovni, E., Duckeck, G., Duerdoth, I.P., Eatough, D., Edwards, J.E.G., Estabrooks, P.G., Evans, H.G., Evans, M., Fabbri, F., Fanti, M., Faust, A.A., Fiedler, F., Fierro, M., Fischer, H.M., Fleck, I., Folman, R., Fong, D.G., Foucher, M., Furtjes, A., Futyan, D.I., Gagnon, P., Gary, J.W., Gascon, J., Gascon-Shotkin, S.M., Geddes, N.I., Geich-Gimbel, C., Geralis, T., Giacomelli, G., Giacomelli, P., Giacomelli, R., Gibson, V., Gibson, W.R., Gingrich, D.M., Glenzinski, D., Goldberg, J., Goodrick, M.J., Gorn, W., Grandi, C., Gross, E., Grunhaus, J., Gruwe, M., Hajdu, C., Hanson, G.G., Hansroul, M., Hapke, M., Hargrove, C.K., Hart, P.A., Hartmann, C., Hauschild, M., Hawkes, C.M., Hawkings, R., Hemingway, R.J., Herndon, M., Herten, G., Heuer, R.D., Hildreth, M.D., Hill, J.C., Hillier, S.J., Hilse, T., Hobson, P.R., Homer, R.J., Honma, A.K., Horvath, D., Howard, R., Hutchcroft, D.E., Igo-Kemenes, P., Imrie, D.C., Ingram, M.R., Ishii, K., Jawahery, A., Jeffreys, P.W., Jeremie, H., Jimack, M., Joly, A., Jones, C.R., Jones, G., Jones, M., Jost, U., Jovanovic, P., Junk, T.R., Karlen, D., Kartvelishvili, V., Kawagoe, K., Kawamoto, T., Keeler, R.K., Kellogg, R.G., Kennedy, B.W., Kirk, J., Klier, A., Kluth, S., Kobayashi, T., Kobel, M., Koetke, D.S., Kokott, T.P., Kolrep, M., Komamiya, S., Kress, T., Krieger, P., von Krogh, J., Kyberd, P., Lafferty, G.D., Lahmann, R., Lai, W.P., Lanske, D., Lauber, J., Lautenschlager, S.R., Layter, J.G., Lazic, D., Lee, A.M., Lefebvre, E., Lellouch, D., Letts, J., Levinson, L., Lloyd, S.L., Loebinger, F.K., Long, G.D., Losty, M.J., Ludwig, J., Macchiolo, A., Macpherson, A., Mannelli, M., Marcellini, S., Markus, C., Martin, A.J., Martin, J.P., Martinez, G., Mashimo, T., Mattig, Peter, McDonald, W.John, McKenna, J., Mckigney, E.A., McMahon, T.J., McPherson, R.A., Meijers, F., Menke, S., Merritt, F.S., Mes, H., Meyer, J., Michelini, A., Mikenberg, G., Miller, D.J., Mincer, A., Mir, R., Mohr, W., Montanari, A., Mori, T., Morii, M., Muller, U., Nagai, K., Nakamura, I., Neal, H.A., Nellen, B., Nisius, R., O'Neale, S.W., Oakham, F.G., Odorici, F., Ogren, H.O., Oldershaw, N.J., Oreglia, M.J., Orito, S., Palinkas, J., Pasztor, G., Pater, J.R., Patrick, G.N., Patt, J., Pearce, M.J., Petzold, S., Pfeifenschneider, P., Pilcher, J.E., Pinfold, J., Plane, David E., Poffenberger, P., Poli, B., Posthaus, A., Przysiezniak, H., Rees, D.L., Rigby, D., Robertson, S., Robins, S.A., Rodning, N., Roney, J.M., Rooke, A., Ros, E., Rossi, A.M., Rosvick, M., Routenburg, P., Rozen, Y., Runge, K., Runolfsson, O., Ruppel, U., Rust, D.R., Rylko, R., Sachs, K., Saeki, T., Sarkisian, E.K.G., Sbarra, C., Schaile, A.D., Schaile, O., Scharf, F., Scharff-Hansen, P., Schenk, P., Schieck, J., Schleper, P., Schmitt, B., Schmitt, S., Schoning, A., Schroder, Matthias, Schultz-Coulon, H.C., Schulz, M., Schumacher, M., Schwick, C., Scott, W.G., Shears, T.G., Shen, B.C., Shepherd-Themistocleous, C.H., Sherwood, P., Siroli, G.P., Sittler, A., Skillman, A., Skuja, A., Smith, A.M., Snow, G.A., Sobie, R., Soldner-Rembold, S., Springer, Robert Wayne, Sproston, M., Stephens, K., Steuerer, J., Stockhausen, B., Stoll, K., Strom, David M., Szymanski, P., Tafirout, R., Talbot, S.D., Tanaka, S., Taras, P., Tarem, S., Teuscher, R., Thiergen, M., Thomson, M.A., von Torne, E., Towers, S., Trigger, I., Tsur, E., Turcot, A.S., Turner-Watson, M.F., Utzat, P., Van Kooten, Rick J., Verzocchi, M., Vikas, P., Vokurka, E.H., Voss, H., Wackerle, F., Wagner, A., Ward, C.P., Ward, D.R., Watkins, P.M., Watson, A.T., Watson, N.K., Wells, P.S., Wermes, N., White, J.S., Wilkens, B., Wilson, G.W., Wilson, J.A., Wolf, G., Wyatt, T.R., Yamashita, S., Yekutieli, G., Zacek, V., Zer-Zion, D.
Lenguaje:	eng
Publicado:	1997
Materias:	Particle Physics - Experiment
Acceso en línea:	https://dx.doi.org/10.1007/s002880050563 http://cds.cern.ch/record/329207

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author	Ackerstaff, K. Alexander, G. Allison, John Altekamp, N. Anderson, K.J. Anderson, S. Arcelli, S. Asai, S. Axen, D. Azuelos, G. Ball, A.H. Barberio, E. Barlow, Roger J. Bartoldus, R. Batley, J.R. Baumann, S. Bechtluft, J. Beeston, C. Behnke, T. Bell, A.N. Bell, Kenneth Watson Bella, G. Bentvelsen, S. Berlich, P. Bethke, S. Biebel, O. Biguzzi, A. Bird, S.D. Blobel, V. Bloodworth, I.J. Bloomer, J.E. Bobinski, M. Bock, P. Bonacorsi, D. Boutemeur, M. Bouwens, B.T. Braibant, S. Brigliadori, L. Brown, Robert M. Burckhart, H.J. Burgard, C. Burgin, R. Capiluppi, P. Carnegie, R.K. Carter, A.A. Carter, J.R. Chang, C.Y. Charlton, David G. Chrisman, D. Clarke, P.E.L. Cohen, I. Conboy, J.E. Cooke, O.C. Cuffiani, M. Dado, S. Dallapiccola, C. Dallavalle, G.Marco De Jong, S. del Pozo, L.A. Desch, K. Dixit, M.S. do Couto e Silva, E. Doucet, M. Duchovni, E. Duckeck, G. Duerdoth, I.P. Eatough, D. Edwards, J.E.G. Estabrooks, P.G. Evans, H.G. Evans, M. Fabbri, F. Fanti, M. Faust, A.A. Fiedler, F. Fierro, M. Fischer, H.M. Fleck, I. Folman, R. Fong, D.G. Foucher, M. Furtjes, A. Futyan, D.I. Gagnon, P. Gary, J.W. Gascon, J. Gascon-Shotkin, S.M. Geddes, N.I. Geich-Gimbel, C. Geralis, T. Giacomelli, G. Giacomelli, P. Giacomelli, R. Gibson, V. Gibson, W.R. Gingrich, D.M. Glenzinski, D. Goldberg, J. Goodrick, M.J. Gorn, W. Grandi, C. Gross, E. Grunhaus, J. Gruwe, M. Hajdu, C. Hanson, G.G. Hansroul, M. Hapke, M. Hargrove, C.K. Hart, P.A. Hartmann, C. Hauschild, M. Hawkes, C.M. Hawkings, R. Hemingway, R.J. Herndon, M. Herten, G. Heuer, R.D. Hildreth, M.D. Hill, J.C. Hillier, S.J. Hilse, T. Hobson, P.R. Homer, R.J. Honma, A.K. Horvath, D. Howard, R. Hutchcroft, D.E. Igo-Kemenes, P. Imrie, D.C. Ingram, M.R. Ishii, K. Jawahery, A. Jeffreys, P.W. Jeremie, H. Jimack, M. Joly, A. Jones, C.R. Jones, G. Jones, M. Jost, U. Jovanovic, P. Junk, T.R. Karlen, D. Kartvelishvili, V. Kawagoe, K. Kawamoto, T. Keeler, R.K. Kellogg, R.G. Kennedy, B.W. Kirk, J. Klier, A. Kluth, S. Kobayashi, T. Kobel, M. Koetke, D.S. Kokott, T.P. Kolrep, M. Komamiya, S. Kress, T. Krieger, P. von Krogh, J. Kyberd, P. Lafferty, G.D. Lahmann, R. Lai, W.P. Lanske, D. Lauber, J. Lautenschlager, S.R. Layter, J.G. Lazic, D. Lee, A.M. Lefebvre, E. Lellouch, D. Letts, J. Levinson, L. Lloyd, S.L. Loebinger, F.K. Long, G.D. Losty, M.J. Ludwig, J. Macchiolo, A. Macpherson, A. Mannelli, M. Marcellini, S. Markus, C. Martin, A.J. Martin, J.P. Martinez, G. Mashimo, T. Mattig, Peter McDonald, W.John McKenna, J. Mckigney, E.A. McMahon, T.J. McPherson, R.A. Meijers, F. Menke, S. Merritt, F.S. Mes, H. Meyer, J. Michelini, A. Mikenberg, G. Miller, D.J. Mincer, A. Mir, R. Mohr, W. Montanari, A. Mori, T. Morii, M. Muller, U. Nagai, K. Nakamura, I. Neal, H.A. Nellen, B. Nisius, R. O'Neale, S.W. Oakham, F.G. Odorici, F. Ogren, H.O. Oldershaw, N.J. Oreglia, M.J. Orito, S. Palinkas, J. Pasztor, G. Pater, J.R. Patrick, G.N. Patt, J. Pearce, M.J. Petzold, S. Pfeifenschneider, P. Pilcher, J.E. Pinfold, J. Plane, David E. Poffenberger, P. Poli, B. Posthaus, A. Przysiezniak, H. Rees, D.L. Rigby, D. Robertson, S. Robins, S.A. Rodning, N. Roney, J.M. Rooke, A. Ros, E. Rossi, A.M. Rosvick, M. Routenburg, P. Rozen, Y. Runge, K. Runolfsson, O. Ruppel, U. Rust, D.R. Rylko, R. Sachs, K. Saeki, T. Sarkisian, E.K.G. Sbarra, C. Schaile, A.D. Schaile, O. Scharf, F. Scharff-Hansen, P. Schenk, P. Schieck, J. Schleper, P. Schmitt, B. Schmitt, S. Schoning, A. Schroder, Matthias Schultz-Coulon, H.C. Schulz, M. Schumacher, M. Schwick, C. Scott, W.G. Shears, T.G. Shen, B.C. Shepherd-Themistocleous, C.H. Sherwood, P. Siroli, G.P. Sittler, A. Skillman, A. Skuja, A. Smith, A.M. Snow, G.A. Sobie, R. Soldner-Rembold, S. Springer, Robert Wayne Sproston, M. Stephens, K. Steuerer, J. Stockhausen, B. Stoll, K. Strom, David M. Szymanski, P. Tafirout, R. Talbot, S.D. Tanaka, S. Taras, P. Tarem, S. Teuscher, R. Thiergen, M. Thomson, M.A. von Torne, E. Towers, S. Trigger, I. Tsur, E. Turcot, A.S. Turner-Watson, M.F. Utzat, P. Van Kooten, Rick J. Verzocchi, M. Vikas, P. Vokurka, E.H. Voss, H. Wackerle, F. Wagner, A. Ward, C.P. Ward, D.R. Watkins, P.M. Watson, A.T. Watson, N.K. Wells, P.S. Wermes, N. White, J.S. Wilkens, B. Wilson, G.W. Wilson, J.A. Wolf, G. Wyatt, T.R. Yamashita, S. Yekutieli, G. Zacek, V. Zer-Zion, D.
author_facet	Ackerstaff, K. Alexander, G. Allison, John Altekamp, N. Anderson, K.J. Anderson, S. Arcelli, S. Asai, S. Axen, D. Azuelos, G. Ball, A.H. Barberio, E. Barlow, Roger J. Bartoldus, R. Batley, J.R. Baumann, S. Bechtluft, J. Beeston, C. Behnke, T. Bell, A.N. Bell, Kenneth Watson Bella, G. Bentvelsen, S. Berlich, P. Bethke, S. Biebel, O. Biguzzi, A. Bird, S.D. Blobel, V. Bloodworth, I.J. Bloomer, J.E. Bobinski, M. Bock, P. Bonacorsi, D. Boutemeur, M. Bouwens, B.T. Braibant, S. Brigliadori, L. Brown, Robert M. Burckhart, H.J. Burgard, C. Burgin, R. Capiluppi, P. Carnegie, R.K. Carter, A.A. Carter, J.R. Chang, C.Y. Charlton, David G. Chrisman, D. Clarke, P.E.L. Cohen, I. Conboy, J.E. Cooke, O.C. Cuffiani, M. Dado, S. Dallapiccola, C. Dallavalle, G.Marco De Jong, S. del Pozo, L.A. Desch, K. Dixit, M.S. do Couto e Silva, E. Doucet, M. Duchovni, E. Duckeck, G. Duerdoth, I.P. Eatough, D. Edwards, J.E.G. Estabrooks, P.G. Evans, H.G. Evans, M. Fabbri, F. Fanti, M. Faust, A.A. Fiedler, F. Fierro, M. Fischer, H.M. Fleck, I. Folman, R. Fong, D.G. Foucher, M. Furtjes, A. Futyan, D.I. Gagnon, P. Gary, J.W. Gascon, J. Gascon-Shotkin, S.M. Geddes, N.I. Geich-Gimbel, C. Geralis, T. Giacomelli, G. Giacomelli, P. Giacomelli, R. Gibson, V. Gibson, W.R. Gingrich, D.M. Glenzinski, D. Goldberg, J. Goodrick, M.J. Gorn, W. Grandi, C. Gross, E. Grunhaus, J. Gruwe, M. Hajdu, C. Hanson, G.G. Hansroul, M. Hapke, M. Hargrove, C.K. Hart, P.A. Hartmann, C. Hauschild, M. Hawkes, C.M. Hawkings, R. Hemingway, R.J. Herndon, M. Herten, G. Heuer, R.D. Hildreth, M.D. Hill, J.C. Hillier, S.J. Hilse, T. Hobson, P.R. Homer, R.J. Honma, A.K. Horvath, D. Howard, R. Hutchcroft, D.E. Igo-Kemenes, P. Imrie, D.C. Ingram, M.R. Ishii, K. Jawahery, A. Jeffreys, P.W. Jeremie, H. Jimack, M. Joly, A. Jones, C.R. Jones, G. Jones, M. Jost, U. Jovanovic, P. Junk, T.R. Karlen, D. Kartvelishvili, V. Kawagoe, K. Kawamoto, T. Keeler, R.K. Kellogg, R.G. Kennedy, B.W. Kirk, J. Klier, A. Kluth, S. Kobayashi, T. Kobel, M. Koetke, D.S. Kokott, T.P. Kolrep, M. Komamiya, S. Kress, T. Krieger, P. von Krogh, J. Kyberd, P. Lafferty, G.D. Lahmann, R. Lai, W.P. Lanske, D. Lauber, J. Lautenschlager, S.R. Layter, J.G. Lazic, D. Lee, A.M. Lefebvre, E. Lellouch, D. Letts, J. Levinson, L. Lloyd, S.L. Loebinger, F.K. Long, G.D. Losty, M.J. Ludwig, J. Macchiolo, A. Macpherson, A. Mannelli, M. Marcellini, S. Markus, C. Martin, A.J. Martin, J.P. Martinez, G. Mashimo, T. Mattig, Peter McDonald, W.John McKenna, J. Mckigney, E.A. McMahon, T.J. McPherson, R.A. Meijers, F. Menke, S. Merritt, F.S. Mes, H. Meyer, J. Michelini, A. Mikenberg, G. Miller, D.J. Mincer, A. Mir, R. Mohr, W. Montanari, A. Mori, T. Morii, M. Muller, U. Nagai, K. Nakamura, I. Neal, H.A. Nellen, B. Nisius, R. O'Neale, S.W. Oakham, F.G. Odorici, F. Ogren, H.O. Oldershaw, N.J. Oreglia, M.J. Orito, S. Palinkas, J. Pasztor, G. Pater, J.R. Patrick, G.N. Patt, J. Pearce, M.J. Petzold, S. Pfeifenschneider, P. Pilcher, J.E. Pinfold, J. Plane, David E. Poffenberger, P. Poli, B. Posthaus, A. Przysiezniak, H. Rees, D.L. Rigby, D. Robertson, S. Robins, S.A. Rodning, N. Roney, J.M. Rooke, A. Ros, E. Rossi, A.M. Rosvick, M. Routenburg, P. Rozen, Y. Runge, K. Runolfsson, O. Ruppel, U. Rust, D.R. Rylko, R. Sachs, K. Saeki, T. Sarkisian, E.K.G. Sbarra, C. Schaile, A.D. Schaile, O. Scharf, F. Scharff-Hansen, P. Schenk, P. Schieck, J. Schleper, P. Schmitt, B. Schmitt, S. Schoning, A. Schroder, Matthias Schultz-Coulon, H.C. Schulz, M. Schumacher, M. Schwick, C. Scott, W.G. Shears, T.G. Shen, B.C. Shepherd-Themistocleous, C.H. Sherwood, P. Siroli, G.P. Sittler, A. Skillman, A. Skuja, A. Smith, A.M. Snow, G.A. Sobie, R. Soldner-Rembold, S. Springer, Robert Wayne Sproston, M. Stephens, K. Steuerer, J. Stockhausen, B. Stoll, K. Strom, David M. Szymanski, P. Tafirout, R. Talbot, S.D. Tanaka, S. Taras, P. Tarem, S. Teuscher, R. Thiergen, M. Thomson, M.A. von Torne, E. Towers, S. Trigger, I. Tsur, E. Turcot, A.S. Turner-Watson, M.F. Utzat, P. Van Kooten, Rick J. Verzocchi, M. Vikas, P. Vokurka, E.H. Voss, H. Wackerle, F. Wagner, A. Ward, C.P. Ward, D.R. Watkins, P.M. Watson, A.T. Watson, N.K. Wells, P.S. Wermes, N. White, J.S. Wilkens, B. Wilson, G.W. Wilson, J.A. Wolf, G. Wyatt, T.R. Yamashita, S. Yekutieli, G. Zacek, V. Zer-Zion, D.
author_sort	Ackerstaff, K.
collection	CERN
description	Using approximately 4.3 million hadronic Z^0 decays collected with the OPAL detector at LEP between 1990 and 1995, we measure the branching fractions of the Z^0 into up-type and down-type light quarks, R_q, and the forward-backward asymmetries, A_FB(q), using high-momentum stable particles as a tag. Adopting a method that employs double tagged events to determine the flavour tagging efficiencies, and assuming the flavour independence of strong interactions and SU(2) isospin symmetry, we measure: R_{d,s}/(R_d + R_u + R_s) = 0.371 +/- 0.016(stat.) +/- 0.016(syst.) and A_FB(d,s)= 0.068 +/- 0.035(stat.) +/- 0.011(syst.), assuming the branching fractions and forward-backward asymmetries of down and strange quarks to be equal. The results are essentially free of assumptions based on hadronisation models. These results are in agreement with the Standard Model expectations and are used to infer the left and right handed couplings of strange/down quarks to the Z^0, yielding g_L^{d,s} = -0.44^{+0.13}_{-0.09} and g_R^{d,s} = +0.13^{+0.15}_{-0.17}. The results for the up quark, R_u/(R_d + R_u + R_s) = 0.258 +/- 0.031(stat.) +/- 0.032(syst.) and A_FB(u)= 0.040 +/- 0.067(stat.) +/- 0.028(syst.), are fully negatively correlated and almost completely positively correlated, respectively, with the corresponding down-type results.
id	cern-329207
institution	Organización Europea para la Investigación Nuclear
language	eng
publishDate	1997
record_format	invenio
spelling	cern-3292072021-10-29T02:22:35Zdoi:10.1007/s002880050563http://cds.cern.ch/record/329207engAckerstaff, K.Alexander, G.Allison, JohnAltekamp, N.Anderson, K.J.Anderson, S.Arcelli, S.Asai, S.Axen, D.Azuelos, G.Ball, A.H.Barberio, E.Barlow, Roger J.Bartoldus, R.Batley, J.R.Baumann, S.Bechtluft, J.Beeston, C.Behnke, T.Bell, A.N.Bell, Kenneth WatsonBella, G.Bentvelsen, S.Berlich, P.Bethke, S.Biebel, O.Biguzzi, A.Bird, S.D.Blobel, V.Bloodworth, I.J.Bloomer, J.E.Bobinski, M.Bock, P.Bonacorsi, D.Boutemeur, M.Bouwens, B.T.Braibant, S.Brigliadori, L.Brown, Robert M.Burckhart, H.J.Burgard, C.Burgin, R.Capiluppi, P.Carnegie, R.K.Carter, A.A.Carter, J.R.Chang, C.Y.Charlton, David G.Chrisman, D.Clarke, P.E.L.Cohen, I.Conboy, J.E.Cooke, O.C.Cuffiani, M.Dado, S.Dallapiccola, C.Dallavalle, G.MarcoDe Jong, S.del Pozo, L.A.Desch, K.Dixit, M.S.do Couto e Silva, E.Doucet, M.Duchovni, E.Duckeck, G.Duerdoth, I.P.Eatough, D.Edwards, J.E.G.Estabrooks, P.G.Evans, H.G.Evans, M.Fabbri, F.Fanti, M.Faust, A.A.Fiedler, F.Fierro, M.Fischer, H.M.Fleck, I.Folman, R.Fong, D.G.Foucher, M.Furtjes, A.Futyan, D.I.Gagnon, P.Gary, J.W.Gascon, J.Gascon-Shotkin, S.M.Geddes, N.I.Geich-Gimbel, C.Geralis, T.Giacomelli, G.Giacomelli, P.Giacomelli, R.Gibson, V.Gibson, W.R.Gingrich, D.M.Glenzinski, D.Goldberg, J.Goodrick, M.J.Gorn, W.Grandi, C.Gross, E.Grunhaus, J.Gruwe, M.Hajdu, C.Hanson, G.G.Hansroul, M.Hapke, M.Hargrove, C.K.Hart, P.A.Hartmann, C.Hauschild, M.Hawkes, C.M.Hawkings, R.Hemingway, R.J.Herndon, M.Herten, G.Heuer, R.D.Hildreth, M.D.Hill, J.C.Hillier, S.J.Hilse, T.Hobson, P.R.Homer, R.J.Honma, A.K.Horvath, D.Howard, R.Hutchcroft, D.E.Igo-Kemenes, P.Imrie, D.C.Ingram, M.R.Ishii, K.Jawahery, A.Jeffreys, P.W.Jeremie, H.Jimack, M.Joly, A.Jones, C.R.Jones, G.Jones, M.Jost, U.Jovanovic, P.Junk, T.R.Karlen, D.Kartvelishvili, V.Kawagoe, K.Kawamoto, T.Keeler, R.K.Kellogg, R.G.Kennedy, B.W.Kirk, J.Klier, A.Kluth, S.Kobayashi, T.Kobel, M.Koetke, D.S.Kokott, T.P.Kolrep, M.Komamiya, S.Kress, T.Krieger, P.von Krogh, J.Kyberd, P.Lafferty, G.D.Lahmann, R.Lai, W.P.Lanske, D.Lauber, J.Lautenschlager, S.R.Layter, J.G.Lazic, D.Lee, A.M.Lefebvre, E.Lellouch, D.Letts, J.Levinson, L.Lloyd, S.L.Loebinger, F.K.Long, G.D.Losty, M.J.Ludwig, J.Macchiolo, A.Macpherson, A.Mannelli, M.Marcellini, S.Markus, C.Martin, A.J.Martin, J.P.Martinez, G.Mashimo, T.Mattig, PeterMcDonald, W.JohnMcKenna, J.Mckigney, E.A.McMahon, T.J.McPherson, R.A.Meijers, F.Menke, S.Merritt, F.S.Mes, H.Meyer, J.Michelini, A.Mikenberg, G.Miller, D.J.Mincer, A.Mir, R.Mohr, W.Montanari, A.Mori, T.Morii, M.Muller, U.Nagai, K.Nakamura, I.Neal, H.A.Nellen, B.Nisius, R.O'Neale, S.W.Oakham, F.G.Odorici, F.Ogren, H.O.Oldershaw, N.J.Oreglia, M.J.Orito, S.Palinkas, J.Pasztor, G.Pater, J.R.Patrick, G.N.Patt, J.Pearce, M.J.Petzold, S.Pfeifenschneider, P.Pilcher, J.E.Pinfold, J.Plane, David E.Poffenberger, P.Poli, B.Posthaus, A.Przysiezniak, H.Rees, D.L.Rigby, D.Robertson, S.Robins, S.A.Rodning, N.Roney, J.M.Rooke, A.Ros, E.Rossi, A.M.Rosvick, M.Routenburg, P.Rozen, Y.Runge, K.Runolfsson, O.Ruppel, U.Rust, D.R.Rylko, R.Sachs, K.Saeki, T.Sarkisian, E.K.G.Sbarra, C.Schaile, A.D.Schaile, O.Scharf, F.Scharff-Hansen, P.Schenk, P.Schieck, J.Schleper, P.Schmitt, B.Schmitt, S.Schoning, A.Schroder, MatthiasSchultz-Coulon, H.C.Schulz, M.Schumacher, M.Schwick, C.Scott, W.G.Shears, T.G.Shen, B.C.Shepherd-Themistocleous, C.H.Sherwood, P.Siroli, G.P.Sittler, A.Skillman, A.Skuja, A.Smith, A.M.Snow, G.A.Sobie, R.Soldner-Rembold, S.Springer, Robert WayneSproston, M.Stephens, K.Steuerer, J.Stockhausen, B.Stoll, K.Strom, David M.Szymanski, P.Tafirout, R.Talbot, S.D.Tanaka, S.Taras, P.Tarem, S.Teuscher, R.Thiergen, M.Thomson, M.A.von Torne, E.Towers, S.Trigger, I.Tsur, E.Turcot, A.S.Turner-Watson, M.F.Utzat, P.Van Kooten, Rick J.Verzocchi, M.Vikas, P.Vokurka, E.H.Voss, H.Wackerle, F.Wagner, A.Ward, C.P.Ward, D.R.Watkins, P.M.Watson, A.T.Watson, N.K.Wells, P.S.Wermes, N.White, J.S.Wilkens, B.Wilson, G.W.Wilson, J.A.Wolf, G.Wyatt, T.R.Yamashita, S.Yekutieli, G.Zacek, V.Zer-Zion, D.Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarksParticle Physics - ExperimentUsing approximately 4.3 million hadronic Z^0 decays collected with the OPAL detector at LEP between 1990 and 1995, we measure the branching fractions of the Z^0 into up-type and down-type light quarks, R_q, and the forward-backward asymmetries, A_FB(q), using high-momentum stable particles as a tag. Adopting a method that employs double tagged events to determine the flavour tagging efficiencies, and assuming the flavour independence of strong interactions and SU(2) isospin symmetry, we measure: R_{d,s}/(R_d + R_u + R_s) = 0.371 +/- 0.016(stat.) +/- 0.016(syst.) and A_FB(d,s)= 0.068 +/- 0.035(stat.) +/- 0.011(syst.), assuming the branching fractions and forward-backward asymmetries of down and strange quarks to be equal. The results are essentially free of assumptions based on hadronisation models. These results are in agreement with the Standard Model expectations and are used to infer the left and right handed couplings of strange/down quarks to the Z^0, yielding g_L^{d,s} = -0.44^{+0.13}_{-0.09} and g_R^{d,s} = +0.13^{+0.15}_{-0.17}. The results for the up quark, R_u/(R_d + R_u + R_s) = 0.258 +/- 0.031(stat.) +/- 0.032(syst.) and A_FB(u)= 0.040 +/- 0.067(stat.) +/- 0.028(syst.), are fully negatively correlated and almost completely positively correlated, respectively, with the corresponding down-type results.Using approximately 4.3 million hadronic Z^0 decays collected with the OPAL detector at LEP between 1990 and 1995, we measure the branching fractions of the Z^0 into up-type and down-type light quarks, R_q, and the forward-backward asymmetries, A_FB(q), using high-momentum stable particles as a tag. Adopting a method that employs double tagged events to determine the flavour tagging efficiencies, and assuming the flavour independence of strong interactions and SU(2) isospin symmetry, we measure: R_{d,s}/(R_d + R_u + R_s) = 0.371 +/- 0.016(stat.) +/- 0.016(syst.) and A_FB(d,s) = 0.068 +/- 0.035(stat.) +/- 0.011(syst.), assuming the branching fractions and forward-backward asymmetries of down and strange quarks to be equal. The results are essentially free of assumptions based on hadronisation models. These results are in agreement with the Standard Model expectations and are used to infer the left and right handed couplings of strange/down quarks to the Z^0, yielding g_L^{d,s} = -0.44^{+0.13}_{-0.09} and g_R^{d,s} = +0.13^{+0.15}_{-0.17}. The results for the up quark, R_u/(R_d + R_u + R_s) = 0.258 +/- 0.031(stat.) +/- 0.032(syst.) and A_FB(u)= 0.040 +/- 0.067(stat.) +/- 0.028(syst.), are fully negatively correlated and almost completely positively correlated, respectively, with the corresponding down-type results.hep-ex/9707019CERN-PPE-97-063CERN-PPE-97-63CERN-PPE-97-063oai:cds.cern.ch:3292071997-06-05
spellingShingle	Particle Physics - Experiment Ackerstaff, K. Alexander, G. Allison, John Altekamp, N. Anderson, K.J. Anderson, S. Arcelli, S. Asai, S. Axen, D. Azuelos, G. Ball, A.H. Barberio, E. Barlow, Roger J. Bartoldus, R. Batley, J.R. Baumann, S. Bechtluft, J. Beeston, C. Behnke, T. Bell, A.N. Bell, Kenneth Watson Bella, G. Bentvelsen, S. Berlich, P. Bethke, S. Biebel, O. Biguzzi, A. Bird, S.D. Blobel, V. Bloodworth, I.J. Bloomer, J.E. Bobinski, M. Bock, P. Bonacorsi, D. Boutemeur, M. Bouwens, B.T. Braibant, S. Brigliadori, L. Brown, Robert M. Burckhart, H.J. Burgard, C. Burgin, R. Capiluppi, P. Carnegie, R.K. Carter, A.A. Carter, J.R. Chang, C.Y. Charlton, David G. Chrisman, D. Clarke, P.E.L. Cohen, I. Conboy, J.E. Cooke, O.C. Cuffiani, M. Dado, S. Dallapiccola, C. Dallavalle, G.Marco De Jong, S. del Pozo, L.A. Desch, K. Dixit, M.S. do Couto e Silva, E. Doucet, M. Duchovni, E. Duckeck, G. Duerdoth, I.P. Eatough, D. Edwards, J.E.G. Estabrooks, P.G. Evans, H.G. Evans, M. Fabbri, F. Fanti, M. Faust, A.A. Fiedler, F. Fierro, M. Fischer, H.M. Fleck, I. Folman, R. Fong, D.G. Foucher, M. Furtjes, A. Futyan, D.I. Gagnon, P. Gary, J.W. Gascon, J. Gascon-Shotkin, S.M. Geddes, N.I. Geich-Gimbel, C. Geralis, T. Giacomelli, G. Giacomelli, P. Giacomelli, R. Gibson, V. Gibson, W.R. Gingrich, D.M. Glenzinski, D. Goldberg, J. Goodrick, M.J. Gorn, W. Grandi, C. Gross, E. Grunhaus, J. Gruwe, M. Hajdu, C. Hanson, G.G. Hansroul, M. Hapke, M. Hargrove, C.K. Hart, P.A. Hartmann, C. Hauschild, M. Hawkes, C.M. Hawkings, R. Hemingway, R.J. Herndon, M. Herten, G. Heuer, R.D. Hildreth, M.D. Hill, J.C. Hillier, S.J. Hilse, T. Hobson, P.R. Homer, R.J. Honma, A.K. Horvath, D. Howard, R. Hutchcroft, D.E. Igo-Kemenes, P. Imrie, D.C. Ingram, M.R. Ishii, K. Jawahery, A. Jeffreys, P.W. Jeremie, H. Jimack, M. Joly, A. Jones, C.R. Jones, G. Jones, M. Jost, U. Jovanovic, P. Junk, T.R. Karlen, D. Kartvelishvili, V. Kawagoe, K. Kawamoto, T. Keeler, R.K. Kellogg, R.G. Kennedy, B.W. Kirk, J. Klier, A. Kluth, S. Kobayashi, T. Kobel, M. Koetke, D.S. Kokott, T.P. Kolrep, M. Komamiya, S. Kress, T. Krieger, P. von Krogh, J. Kyberd, P. Lafferty, G.D. Lahmann, R. Lai, W.P. Lanske, D. Lauber, J. Lautenschlager, S.R. Layter, J.G. Lazic, D. Lee, A.M. Lefebvre, E. Lellouch, D. Letts, J. Levinson, L. Lloyd, S.L. Loebinger, F.K. Long, G.D. Losty, M.J. Ludwig, J. Macchiolo, A. Macpherson, A. Mannelli, M. Marcellini, S. Markus, C. Martin, A.J. Martin, J.P. Martinez, G. Mashimo, T. Mattig, Peter McDonald, W.John McKenna, J. Mckigney, E.A. McMahon, T.J. McPherson, R.A. Meijers, F. Menke, S. Merritt, F.S. Mes, H. Meyer, J. Michelini, A. Mikenberg, G. Miller, D.J. Mincer, A. Mir, R. Mohr, W. Montanari, A. Mori, T. Morii, M. Muller, U. Nagai, K. Nakamura, I. Neal, H.A. Nellen, B. Nisius, R. O'Neale, S.W. Oakham, F.G. Odorici, F. Ogren, H.O. Oldershaw, N.J. Oreglia, M.J. Orito, S. Palinkas, J. Pasztor, G. Pater, J.R. Patrick, G.N. Patt, J. Pearce, M.J. Petzold, S. Pfeifenschneider, P. Pilcher, J.E. Pinfold, J. Plane, David E. Poffenberger, P. Poli, B. Posthaus, A. Przysiezniak, H. Rees, D.L. Rigby, D. Robertson, S. Robins, S.A. Rodning, N. Roney, J.M. Rooke, A. Ros, E. Rossi, A.M. Rosvick, M. Routenburg, P. Rozen, Y. Runge, K. Runolfsson, O. Ruppel, U. Rust, D.R. Rylko, R. Sachs, K. Saeki, T. Sarkisian, E.K.G. Sbarra, C. Schaile, A.D. Schaile, O. Scharf, F. Scharff-Hansen, P. Schenk, P. Schieck, J. Schleper, P. Schmitt, B. Schmitt, S. Schoning, A. Schroder, Matthias Schultz-Coulon, H.C. Schulz, M. Schumacher, M. Schwick, C. Scott, W.G. Shears, T.G. Shen, B.C. Shepherd-Themistocleous, C.H. Sherwood, P. Siroli, G.P. Sittler, A. Skillman, A. Skuja, A. Smith, A.M. Snow, G.A. Sobie, R. Soldner-Rembold, S. Springer, Robert Wayne Sproston, M. Stephens, K. Steuerer, J. Stockhausen, B. Stoll, K. Strom, David M. Szymanski, P. Tafirout, R. Talbot, S.D. Tanaka, S. Taras, P. Tarem, S. Teuscher, R. Thiergen, M. Thomson, M.A. von Torne, E. Towers, S. Trigger, I. Tsur, E. Turcot, A.S. Turner-Watson, M.F. Utzat, P. Van Kooten, Rick J. Verzocchi, M. Vikas, P. Vokurka, E.H. Voss, H. Wackerle, F. Wagner, A. Ward, C.P. Ward, D.R. Watkins, P.M. Watson, A.T. Watson, N.K. Wells, P.S. Wermes, N. White, J.S. Wilkens, B. Wilson, G.W. Wilson, J.A. Wolf, G. Wyatt, T.R. Yamashita, S. Yekutieli, G. Zacek, V. Zer-Zion, D. Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarks
title	Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarks
title_full	Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarks
title_fullStr	Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarks
title_full_unstemmed	Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarks
title_short	Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarks
title_sort	measurement of the branching fractions and forward-backward asymmetries of the $z^0$ into light quarks
topic	Particle Physics - Experiment
url	https://dx.doi.org/10.1007/s002880050563 http://cds.cern.ch/record/329207
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measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT evansm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT fabbrif measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT fantim measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT faustaa measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT fiedlerf measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT fierrom measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT fischerhm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT flecki measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT folmanr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT fongdg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT foucherm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT furtjesa measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT futyandi measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT gagnonp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT garyjw measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT gasconj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT gasconshotkinsm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT geddesni measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT geichgimbelc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT geralist measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT giacomellig measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT giacomellip measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT giacomellir measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT gibsonv measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT gibsonwr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT gingrichdm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT glenzinskid measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT goldbergj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT goodrickmj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT gornw measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT grandic measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT grosse measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT grunhausj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT gruwem measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hajduc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hansongg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hansroulm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hapkem measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hargroveck measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hartpa measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hartmannc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hauschildm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hawkescm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hawkingsr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hemingwayrj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT herndonm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT herteng measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT heuerrd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hildrethmd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hilljc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hilliersj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hilset measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hobsonpr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT homerrj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT honmaak measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT horvathd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT howardr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT hutchcroftde measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT igokemenesp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT imriedc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT ingrammr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT ishiik measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jawaherya measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jeffreyspw measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jeremieh measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jimackm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jolya measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jonescr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jonesg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jonesm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jostu measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT jovanovicp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT junktr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT karlend measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kartvelishviliv measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kawagoek measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kawamotot measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT keelerrk measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kelloggrg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kennedybw measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kirkj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kliera measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kluths measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kobayashit measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kobelm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT koetkeds measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kokotttp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kolrepm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT komamiyas measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kresst measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kriegerp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT vonkroghj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT kyberdp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT laffertygd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lahmannr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT laiwp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lansked measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lauberj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lautenschlagersr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT layterjg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lazicd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT leeam measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lefebvree measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lellouchd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lettsj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT levinsonl measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lloydsl measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT loebingerfk measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT longgd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT lostymj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT ludwigj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT macchioloa measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT macphersona measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mannellim measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT marcellinis measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT markusc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT martinaj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT martinjp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT martinezg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mashimot measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mattigpeter measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mcdonaldwjohn measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mckennaj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mckigneyea measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mcmahontj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mcphersonra measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT meijersf measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT menkes measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT merrittfs measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mesh measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT meyerj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT michelinia measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mikenbergg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT millerdj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mincera measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mirr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mohrw measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT montanaria measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT morit measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT moriim measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT mulleru measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT nagaik measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT nakamurai measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT nealha measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT nellenb measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT nisiusr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT onealesw measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT oakhamfg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT odoricif measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT ogrenho measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT oldershawnj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT oregliamj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT oritos measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT palinkasj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT pasztorg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT paterjr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT patrickgn measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT pattj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT pearcemj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT petzolds measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT pfeifenschneiderp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT pilcherje measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT pinfoldj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT planedavide measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT poffenbergerp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT polib measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT posthausa measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT przysiezniakh measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT reesdl measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rigbyd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT robertsons measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT robinssa measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rodningn measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT roneyjm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rookea measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rose measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rossiam measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rosvickm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT routenburgp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rozeny measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rungek measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT runolfssono measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT ruppelu measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rustdr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT rylkor measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT sachsk measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT saekit measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT sarkisianekg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT sbarrac measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schailead measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schaileo measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT scharff measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT scharffhansenp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schenkp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schieckj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schleperp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schmittb measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schmitts measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schoninga measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schrodermatthias measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schultzcoulonhc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schulzm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schumacherm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT schwickc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT scottwg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT shearstg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT shenbc measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT shepherdthemistocleousch measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT sherwoodp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT siroligp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT sittlera measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT skillmana measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT skujaa measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT smitham measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT snowga measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT sobier measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT soldnerrembolds measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT springerrobertwayne measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT sprostonm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT stephensk measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT steuererj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT stockhausenb measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT stollk measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT stromdavidm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT szymanskip measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT tafiroutr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT talbotsd measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT tanakas measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT tarasp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT tarems measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT teuscherr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT thiergenm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT thomsonma measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT vontornee measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT towerss measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT triggeri measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT tsure measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT turcotas measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT turnerwatsonmf measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT utzatp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT vankootenrickj measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT verzocchim measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT vikasp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT vokurkaeh measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT vossh measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wackerlef measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wagnera measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wardcp measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT warddr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT watkinspm measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT watsonat measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT watsonnk measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wellsps measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wermesn measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT whitejs measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wilkensb measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wilsongw measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wilsonja measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wolfg measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT wyatttr measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT yamashitas measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT yekutielig measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT zacekv measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks AT zerziond measurementofthebranchingfractionsandforwardbackwardasymmetriesofthez0intolightquarks

Measurement of the branching fractions and forward-backward asymmetries of the $Z^0$ into light quarks

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