QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeV

We have studied hadronic events from e+e- annihilation data at centre-of-mass energies of sqrt{s}=172, 183 and 189 GeV. The total integrated luminosity of the three samples, measured with the OPAL detector, corresponds to 250 pb^-1. We present distributions of event shape variables, charged particle...

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Detalles Bibliográficos
Autores principales: Abbiendi, G., Ackerstaff, K., Akesson, P.F., Alexander, G., Allison, John, Anderson, K.J., Arcelli, S., Asai, S., Ashby, S.F., Axen, D., Azuelos, G., Bailey, I., Ball, A.H., Barberio, E., Barlow, Roger J., Batley, J.R., Baumann, S., Behnke, T., Bell, Kenneth Watson, Bella, G., Bellerive, A., Bentvelsen, S., Bethke, S., Biebel, O., Biguzzi, A., Bloodworth, I.J., Bock, P., Bohme, J., Boeriu, O., Bonacorsi, D., Boutemeur, M., Braibant, S., Bright-Thomas, P., Brigliadori, L., Brown, Robert M., Burckhart, H.J., Cammin, J., Capiluppi, P., Carnegie, R.K., Carter, A.A., Carter, J.R., Chang, C.Y., Charlton, David G., Chrisman, D., Ciocca, C., Clarke, P.E.L., Clay, E., Cohen, I., Cooke, O.C., Couchman, J., Couyoumtzelis, C., Coxe, R.L., Cuffiani, M., Dado, S., Dallavalle, G.Marco, Dallison, S., Davis, R., de Roeck, A., Dervan, P., Desch, K., Dienes, B., Dixit, M.S., Donkers, M., Dubbert, J., Duchovni, E., Duckeck, G., Duerdoth, I.P., Estabrooks, P.G., Etzion, E., Fabbri, F., Fanfani, A., Fanti, M., Faust, A.A., Feld, L., Ferrari, P., Fiedler, F., Fierro, M., Fleck, I., Frey, A., Furtjes, A., Futyan, D.I., Gagnon, P., Gary, J.W., Gaycken, G., Geich-Gimbel, C., Giacomelli, G., Giacomelli, P., Gingrich, D.M., Glenzinski, D., Goldberg, J., Gorn, W., Grandi, C., Graham, K., Gross, E., Grunhaus, J., Gruwe, M., Gunther, P.O., Hajdu, C., Hanson, G.G., Hansroul, M., Hapke, M., Harder, K., Harel, A., Hargrove, C.K., Harin-Dirac, M., Hauke, A., Hauschild, M., Hawkes, C.M., Hawkings, R., Hemingway, R.J., Hensel, C., Herten, G., Heuer, R.D., Hildreth, M.D., Hill, J.C., Hobson, P.R., Hocker, James Andrew, Hoffman, Kara Dion, Homer, R.J., Honma, A.K., Horvath, D., Hossain, K.R., Howard, R., Huntemeyer, P., Igo-Kemenes, P., Imrie, D.C., Ishii, K., Jacob, F.R., Jawahery, A., Jeremie, H., Jimack, M., Jones, C.R., Jovanovic, P., Junk, T.R., Kanaya, N., Kanzaki, J., Karapetian, G., Karlen, D., Kartvelishvili, V., Kawagoe, K., Kawamoto, T., Kayal, P.I., Keeler, R.K., Kellogg, R.G., Kennedy, B.W., Kim, D.H., Klein, K., Klier, A., Kobayashi, T., Kobel, M., Kokott, T.P., Kolrep, M., Komamiya, S., Kowalewski, Robert V., Kress, T., Krieger, P., von Krogh, J., Kuhl, T., Kupper, M., Kyberd, P., Lafferty, G.D., Landsman, H., Lanske, D., Lawson, I., Layter, J.G., Leins, A., Lellouch, D., Letts, J., Levinson, L., Liebisch, R., Lillich, J., List, B., Littlewood, C., Lloyd, A.W., Lloyd, S.L., Loebinger, F.K., Long, G.D., Losty, M.J., Lu, J., Ludwig, J., Macchiolo, A., Macpherson, A., Mader, W., Mannelli, M., Marcellini, S., Marchant, T.E., Martin, A.J., Martin, J.P., Martinez, G., Mashimo, T., Mattig, Peter, McDonald, W.John, McKenna, J., McMahon, T.J., McPherson, R.A., Meijers, F., Mendez-Lorenzo, P., Merritt, F.S., Mes, H., Meyer, I., Michelini, A., Mihara, S., Mikenberg, G., Miller, D.J., Mohr, W., Montanari, A., Mori, T., Nagai, K., Nakamura, I., Neal, H.A., Nisius, R., O'Neale, S.W., Oakham, F.G., Odorici, F., Ogren, H.O., Okpara, A., Oreglia, M.J., Orito, S., Pasztor, G., Pater, J.R., Patrick, G.N., Patt, J., Perez-Ochoa, R., Pfeifenschneider, P., Pilcher, J.E., Pinfold, J., Plane, David E., Poli, B., Polok, J., Przybycien, M., Quadt, A., Rembser, C., Rick, H., Robins, S.A., Rodning, N., Roney, J.M., Rosati, S., Roscoe, K., Rossi, A.M., Rozen, Y., Runge, K., Runolfsson, O., Rust, D.R., Sachs, K., Saeki, T., Sahr, O., Sang, W.M., Sarkisian, E.K.G., Sbarra, C., Schaile, A.D., Schaile, O., Scharff-Hansen, P., Schmitt, S., Schoning, A., Schroder, Matthias, Schumacher, M., Schwick, C., Scott, W.G., Seuster, R., Shears, T.G., Shen, B.C., Shepherd-Themistocleous, C.H., Sherwood, P., Siroli, G.P., Skuja, A., Smith, A.M., Snow, G.A., Sobie, R., Soldner-Rembold, S., Spagnolo, S., Sproston, M., Stahl, A., Stephens, K., Stoll, K., Strom, David M., Strohmer, R., Surrow, B., Talbot, S.D., Tarem, S., Taylor, R.J., Teuscher, R., Thiergen, M., Thomas, J., Thomson, M.A., Torrence, E., Towers, S., Trefzger, T., Trigger, I., Trocsanyi, Z., Tsur, E., Turner-Watson, M.F., Ueda, I., Van Kooten, Rick J., Vannerem, P., Verzocchi, M., Voss, H., Waller, D., Ward, C.P., Ward, D.R., Watkins, P.M., Watson, A.T., Watson, N.K., Wells, P.S., Wengler, T., Wermes, N., Wetterling, D., White, J.S., Wilson, G.W., Wilson, J.A., Wyatt, T.R., Yamashita, S., Zacek, V., Zer-Zion, D.
Lenguaje:eng
Publicado: 2000
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1007/s100520050015
http://cds.cern.ch/record/425565
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author Abbiendi, G.
Ackerstaff, K.
Akesson, P.F.
Alexander, G.
Allison, John
Anderson, K.J.
Arcelli, S.
Asai, S.
Ashby, S.F.
Axen, D.
Azuelos, G.
Bailey, I.
Ball, A.H.
Barberio, E.
Barlow, Roger J.
Batley, J.R.
Baumann, S.
Behnke, T.
Bell, Kenneth Watson
Bella, G.
Bellerive, A.
Bentvelsen, S.
Bethke, S.
Biebel, O.
Biguzzi, A.
Bloodworth, I.J.
Bock, P.
Bohme, J.
Boeriu, O.
Bonacorsi, D.
Boutemeur, M.
Braibant, S.
Bright-Thomas, P.
Brigliadori, L.
Brown, Robert M.
Burckhart, H.J.
Cammin, J.
Capiluppi, P.
Carnegie, R.K.
Carter, A.A.
Carter, J.R.
Chang, C.Y.
Charlton, David G.
Chrisman, D.
Ciocca, C.
Clarke, P.E.L.
Clay, E.
Cohen, I.
Cooke, O.C.
Couchman, J.
Couyoumtzelis, C.
Coxe, R.L.
Cuffiani, M.
Dado, S.
Dallavalle, G.Marco
Dallison, S.
Davis, R.
de Roeck, A.
Dervan, P.
Desch, K.
Dienes, B.
Dixit, M.S.
Donkers, M.
Dubbert, J.
Duchovni, E.
Duckeck, G.
Duerdoth, I.P.
Estabrooks, P.G.
Etzion, E.
Fabbri, F.
Fanfani, A.
Fanti, M.
Faust, A.A.
Feld, L.
Ferrari, P.
Fiedler, F.
Fierro, M.
Fleck, I.
Frey, A.
Furtjes, A.
Futyan, D.I.
Gagnon, P.
Gary, J.W.
Gaycken, G.
Geich-Gimbel, C.
Giacomelli, G.
Giacomelli, P.
Gingrich, D.M.
Glenzinski, D.
Goldberg, J.
Gorn, W.
Grandi, C.
Graham, K.
Gross, E.
Grunhaus, J.
Gruwe, M.
Gunther, P.O.
Hajdu, C.
Hanson, G.G.
Hansroul, M.
Hapke, M.
Harder, K.
Harel, A.
Hargrove, C.K.
Harin-Dirac, M.
Hauke, A.
Hauschild, M.
Hawkes, C.M.
Hawkings, R.
Hemingway, R.J.
Hensel, C.
Herten, G.
Heuer, R.D.
Hildreth, M.D.
Hill, J.C.
Hobson, P.R.
Hocker, James Andrew
Hoffman, Kara Dion
Homer, R.J.
Honma, A.K.
Horvath, D.
Hossain, K.R.
Howard, R.
Huntemeyer, P.
Igo-Kemenes, P.
Imrie, D.C.
Ishii, K.
Jacob, F.R.
Jawahery, A.
Jeremie, H.
Jimack, M.
Jones, C.R.
Jovanovic, P.
Junk, T.R.
Kanaya, N.
Kanzaki, J.
Karapetian, G.
Karlen, D.
Kartvelishvili, V.
Kawagoe, K.
Kawamoto, T.
Kayal, P.I.
Keeler, R.K.
Kellogg, R.G.
Kennedy, B.W.
Kim, D.H.
Klein, K.
Klier, A.
Kobayashi, T.
Kobel, M.
Kokott, T.P.
Kolrep, M.
Komamiya, S.
Kowalewski, Robert V.
Kress, T.
Krieger, P.
von Krogh, J.
Kuhl, T.
Kupper, M.
Kyberd, P.
Lafferty, G.D.
Landsman, H.
Lanske, D.
Lawson, I.
Layter, J.G.
Leins, A.
Lellouch, D.
Letts, J.
Levinson, L.
Liebisch, R.
Lillich, J.
List, B.
Littlewood, C.
Lloyd, A.W.
Lloyd, S.L.
Loebinger, F.K.
Long, G.D.
Losty, M.J.
Lu, J.
Ludwig, J.
Macchiolo, A.
Macpherson, A.
Mader, W.
Mannelli, M.
Marcellini, S.
Marchant, T.E.
Martin, A.J.
Martin, J.P.
Martinez, G.
Mashimo, T.
Mattig, Peter
McDonald, W.John
McKenna, J.
McMahon, T.J.
McPherson, R.A.
Meijers, F.
Mendez-Lorenzo, P.
Merritt, F.S.
Mes, H.
Meyer, I.
Michelini, A.
Mihara, S.
Mikenberg, G.
Miller, D.J.
Mohr, W.
Montanari, A.
Mori, T.
Nagai, K.
Nakamura, I.
Neal, H.A.
Nisius, R.
O'Neale, S.W.
Oakham, F.G.
Odorici, F.
Ogren, H.O.
Okpara, A.
Oreglia, M.J.
Orito, S.
Pasztor, G.
Pater, J.R.
Patrick, G.N.
Patt, J.
Perez-Ochoa, R.
Pfeifenschneider, P.
Pilcher, J.E.
Pinfold, J.
Plane, David E.
Poli, B.
Polok, J.
Przybycien, M.
Quadt, A.
Rembser, C.
Rick, H.
Robins, S.A.
Rodning, N.
Roney, J.M.
Rosati, S.
Roscoe, K.
Rossi, A.M.
Rozen, Y.
Runge, K.
Runolfsson, O.
Rust, D.R.
Sachs, K.
Saeki, T.
Sahr, O.
Sang, W.M.
Sarkisian, E.K.G.
Sbarra, C.
Schaile, A.D.
Schaile, O.
Scharff-Hansen, P.
Schmitt, S.
Schoning, A.
Schroder, Matthias
Schumacher, M.
Schwick, C.
Scott, W.G.
Seuster, R.
Shears, T.G.
Shen, B.C.
Shepherd-Themistocleous, C.H.
Sherwood, P.
Siroli, G.P.
Skuja, A.
Smith, A.M.
Snow, G.A.
Sobie, R.
Soldner-Rembold, S.
Spagnolo, S.
Sproston, M.
Stahl, A.
Stephens, K.
Stoll, K.
Strom, David M.
Strohmer, R.
Surrow, B.
Talbot, S.D.
Tarem, S.
Taylor, R.J.
Teuscher, R.
Thiergen, M.
Thomas, J.
Thomson, M.A.
Torrence, E.
Towers, S.
Trefzger, T.
Trigger, I.
Trocsanyi, Z.
Tsur, E.
Turner-Watson, M.F.
Ueda, I.
Van Kooten, Rick J.
Vannerem, P.
Verzocchi, M.
Voss, H.
Waller, D.
Ward, C.P.
Ward, D.R.
Watkins, P.M.
Watson, A.T.
Watson, N.K.
Wells, P.S.
Wengler, T.
Wermes, N.
Wetterling, D.
White, J.S.
Wilson, G.W.
Wilson, J.A.
Wyatt, T.R.
Yamashita, S.
Zacek, V.
Zer-Zion, D.
author_facet Abbiendi, G.
Ackerstaff, K.
Akesson, P.F.
Alexander, G.
Allison, John
Anderson, K.J.
Arcelli, S.
Asai, S.
Ashby, S.F.
Axen, D.
Azuelos, G.
Bailey, I.
Ball, A.H.
Barberio, E.
Barlow, Roger J.
Batley, J.R.
Baumann, S.
Behnke, T.
Bell, Kenneth Watson
Bella, G.
Bellerive, A.
Bentvelsen, S.
Bethke, S.
Biebel, O.
Biguzzi, A.
Bloodworth, I.J.
Bock, P.
Bohme, J.
Boeriu, O.
Bonacorsi, D.
Boutemeur, M.
Braibant, S.
Bright-Thomas, P.
Brigliadori, L.
Brown, Robert M.
Burckhart, H.J.
Cammin, J.
Capiluppi, P.
Carnegie, R.K.
Carter, A.A.
Carter, J.R.
Chang, C.Y.
Charlton, David G.
Chrisman, D.
Ciocca, C.
Clarke, P.E.L.
Clay, E.
Cohen, I.
Cooke, O.C.
Couchman, J.
Couyoumtzelis, C.
Coxe, R.L.
Cuffiani, M.
Dado, S.
Dallavalle, G.Marco
Dallison, S.
Davis, R.
de Roeck, A.
Dervan, P.
Desch, K.
Dienes, B.
Dixit, M.S.
Donkers, M.
Dubbert, J.
Duchovni, E.
Duckeck, G.
Duerdoth, I.P.
Estabrooks, P.G.
Etzion, E.
Fabbri, F.
Fanfani, A.
Fanti, M.
Faust, A.A.
Feld, L.
Ferrari, P.
Fiedler, F.
Fierro, M.
Fleck, I.
Frey, A.
Furtjes, A.
Futyan, D.I.
Gagnon, P.
Gary, J.W.
Gaycken, G.
Geich-Gimbel, C.
Giacomelli, G.
Giacomelli, P.
Gingrich, D.M.
Glenzinski, D.
Goldberg, J.
Gorn, W.
Grandi, C.
Graham, K.
Gross, E.
Grunhaus, J.
Gruwe, M.
Gunther, P.O.
Hajdu, C.
Hanson, G.G.
Hansroul, M.
Hapke, M.
Harder, K.
Harel, A.
Hargrove, C.K.
Harin-Dirac, M.
Hauke, A.
Hauschild, M.
Hawkes, C.M.
Hawkings, R.
Hemingway, R.J.
Hensel, C.
Herten, G.
Heuer, R.D.
Hildreth, M.D.
Hill, J.C.
Hobson, P.R.
Hocker, James Andrew
Hoffman, Kara Dion
Homer, R.J.
Honma, A.K.
Horvath, D.
Hossain, K.R.
Howard, R.
Huntemeyer, P.
Igo-Kemenes, P.
Imrie, D.C.
Ishii, K.
Jacob, F.R.
Jawahery, A.
Jeremie, H.
Jimack, M.
Jones, C.R.
Jovanovic, P.
Junk, T.R.
Kanaya, N.
Kanzaki, J.
Karapetian, G.
Karlen, D.
Kartvelishvili, V.
Kawagoe, K.
Kawamoto, T.
Kayal, P.I.
Keeler, R.K.
Kellogg, R.G.
Kennedy, B.W.
Kim, D.H.
Klein, K.
Klier, A.
Kobayashi, T.
Kobel, M.
Kokott, T.P.
Kolrep, M.
Komamiya, S.
Kowalewski, Robert V.
Kress, T.
Krieger, P.
von Krogh, J.
Kuhl, T.
Kupper, M.
Kyberd, P.
Lafferty, G.D.
Landsman, H.
Lanske, D.
Lawson, I.
Layter, J.G.
Leins, A.
Lellouch, D.
Letts, J.
Levinson, L.
Liebisch, R.
Lillich, J.
List, B.
Littlewood, C.
Lloyd, A.W.
Lloyd, S.L.
Loebinger, F.K.
Long, G.D.
Losty, M.J.
Lu, J.
Ludwig, J.
Macchiolo, A.
Macpherson, A.
Mader, W.
Mannelli, M.
Marcellini, S.
Marchant, T.E.
Martin, A.J.
Martin, J.P.
Martinez, G.
Mashimo, T.
Mattig, Peter
McDonald, W.John
McKenna, J.
McMahon, T.J.
McPherson, R.A.
Meijers, F.
Mendez-Lorenzo, P.
Merritt, F.S.
Mes, H.
Meyer, I.
Michelini, A.
Mihara, S.
Mikenberg, G.
Miller, D.J.
Mohr, W.
Montanari, A.
Mori, T.
Nagai, K.
Nakamura, I.
Neal, H.A.
Nisius, R.
O'Neale, S.W.
Oakham, F.G.
Odorici, F.
Ogren, H.O.
Okpara, A.
Oreglia, M.J.
Orito, S.
Pasztor, G.
Pater, J.R.
Patrick, G.N.
Patt, J.
Perez-Ochoa, R.
Pfeifenschneider, P.
Pilcher, J.E.
Pinfold, J.
Plane, David E.
Poli, B.
Polok, J.
Przybycien, M.
Quadt, A.
Rembser, C.
Rick, H.
Robins, S.A.
Rodning, N.
Roney, J.M.
Rosati, S.
Roscoe, K.
Rossi, A.M.
Rozen, Y.
Runge, K.
Runolfsson, O.
Rust, D.R.
Sachs, K.
Saeki, T.
Sahr, O.
Sang, W.M.
Sarkisian, E.K.G.
Sbarra, C.
Schaile, A.D.
Schaile, O.
Scharff-Hansen, P.
Schmitt, S.
Schoning, A.
Schroder, Matthias
Schumacher, M.
Schwick, C.
Scott, W.G.
Seuster, R.
Shears, T.G.
Shen, B.C.
Shepherd-Themistocleous, C.H.
Sherwood, P.
Siroli, G.P.
Skuja, A.
Smith, A.M.
Snow, G.A.
Sobie, R.
Soldner-Rembold, S.
Spagnolo, S.
Sproston, M.
Stahl, A.
Stephens, K.
Stoll, K.
Strom, David M.
Strohmer, R.
Surrow, B.
Talbot, S.D.
Tarem, S.
Taylor, R.J.
Teuscher, R.
Thiergen, M.
Thomas, J.
Thomson, M.A.
Torrence, E.
Towers, S.
Trefzger, T.
Trigger, I.
Trocsanyi, Z.
Tsur, E.
Turner-Watson, M.F.
Ueda, I.
Van Kooten, Rick J.
Vannerem, P.
Verzocchi, M.
Voss, H.
Waller, D.
Ward, C.P.
Ward, D.R.
Watkins, P.M.
Watson, A.T.
Watson, N.K.
Wells, P.S.
Wengler, T.
Wermes, N.
Wetterling, D.
White, J.S.
Wilson, G.W.
Wilson, J.A.
Wyatt, T.R.
Yamashita, S.
Zacek, V.
Zer-Zion, D.
author_sort Abbiendi, G.
collection CERN
description We have studied hadronic events from e+e- annihilation data at centre-of-mass energies of sqrt{s}=172, 183 and 189 GeV. The total integrated luminosity of the three samples, measured with the OPAL detector, corresponds to 250 pb^-1. We present distributions of event shape variables, charged particle multiplicity and momentum, measured separately in the three data samples. From these we extract measurements of the strong coupling alpha_s, the mean charged particle multiplicity <nch> and the peak position xi_0 in the xi_p=ln(1/x_p) distribution. In general the data are described well by analytic QCD calculations and Monte Carlo models. Our measured values of alpha_s, <nch> and xi_0 are consistent with previous determinations at sqrt{s}=MZ.
id cern-425565
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2000
record_format invenio
spelling cern-4255652021-10-29T02:22:36Zdoi:10.1007/s100520050015http://cds.cern.ch/record/425565engAbbiendi, G.Ackerstaff, K.Akesson, P.F.Alexander, G.Allison, JohnAnderson, K.J.Arcelli, S.Asai, S.Ashby, S.F.Axen, D.Azuelos, G.Bailey, I.Ball, A.H.Barberio, E.Barlow, Roger J.Batley, J.R.Baumann, S.Behnke, T.Bell, Kenneth WatsonBella, G.Bellerive, A.Bentvelsen, S.Bethke, S.Biebel, O.Biguzzi, A.Bloodworth, I.J.Bock, P.Bohme, J.Boeriu, O.Bonacorsi, D.Boutemeur, M.Braibant, S.Bright-Thomas, P.Brigliadori, L.Brown, Robert M.Burckhart, H.J.Cammin, J.Capiluppi, P.Carnegie, R.K.Carter, A.A.Carter, J.R.Chang, C.Y.Charlton, David G.Chrisman, D.Ciocca, C.Clarke, P.E.L.Clay, E.Cohen, I.Cooke, O.C.Couchman, J.Couyoumtzelis, C.Coxe, R.L.Cuffiani, M.Dado, S.Dallavalle, G.MarcoDallison, S.Davis, R.de Roeck, A.Dervan, P.Desch, K.Dienes, B.Dixit, M.S.Donkers, M.Dubbert, J.Duchovni, E.Duckeck, G.Duerdoth, I.P.Estabrooks, P.G.Etzion, E.Fabbri, F.Fanfani, A.Fanti, M.Faust, A.A.Feld, L.Ferrari, P.Fiedler, F.Fierro, M.Fleck, I.Frey, A.Furtjes, A.Futyan, D.I.Gagnon, P.Gary, J.W.Gaycken, G.Geich-Gimbel, C.Giacomelli, G.Giacomelli, P.Gingrich, D.M.Glenzinski, D.Goldberg, J.Gorn, W.Grandi, C.Graham, K.Gross, E.Grunhaus, J.Gruwe, M.Gunther, P.O.Hajdu, C.Hanson, G.G.Hansroul, M.Hapke, M.Harder, K.Harel, A.Hargrove, C.K.Harin-Dirac, M.Hauke, A.Hauschild, M.Hawkes, C.M.Hawkings, R.Hemingway, R.J.Hensel, C.Herten, G.Heuer, R.D.Hildreth, M.D.Hill, J.C.Hobson, P.R.Hocker, James AndrewHoffman, Kara DionHomer, R.J.Honma, A.K.Horvath, D.Hossain, K.R.Howard, R.Huntemeyer, P.Igo-Kemenes, P.Imrie, D.C.Ishii, K.Jacob, F.R.Jawahery, A.Jeremie, H.Jimack, M.Jones, C.R.Jovanovic, P.Junk, T.R.Kanaya, N.Kanzaki, J.Karapetian, G.Karlen, D.Kartvelishvili, V.Kawagoe, K.Kawamoto, T.Kayal, P.I.Keeler, R.K.Kellogg, R.G.Kennedy, B.W.Kim, D.H.Klein, K.Klier, A.Kobayashi, T.Kobel, M.Kokott, T.P.Kolrep, M.Komamiya, S.Kowalewski, Robert V.Kress, T.Krieger, P.von Krogh, J.Kuhl, T.Kupper, M.Kyberd, P.Lafferty, G.D.Landsman, H.Lanske, D.Lawson, I.Layter, J.G.Leins, A.Lellouch, D.Letts, J.Levinson, L.Liebisch, R.Lillich, J.List, B.Littlewood, C.Lloyd, A.W.Lloyd, S.L.Loebinger, F.K.Long, G.D.Losty, M.J.Lu, J.Ludwig, J.Macchiolo, A.Macpherson, A.Mader, W.Mannelli, M.Marcellini, S.Marchant, T.E.Martin, A.J.Martin, J.P.Martinez, G.Mashimo, T.Mattig, PeterMcDonald, W.JohnMcKenna, J.McMahon, T.J.McPherson, R.A.Meijers, F.Mendez-Lorenzo, P.Merritt, F.S.Mes, H.Meyer, I.Michelini, A.Mihara, S.Mikenberg, G.Miller, D.J.Mohr, W.Montanari, A.Mori, T.Nagai, K.Nakamura, I.Neal, H.A.Nisius, R.O'Neale, S.W.Oakham, F.G.Odorici, F.Ogren, H.O.Okpara, A.Oreglia, M.J.Orito, S.Pasztor, G.Pater, J.R.Patrick, G.N.Patt, J.Perez-Ochoa, R.Pfeifenschneider, P.Pilcher, J.E.Pinfold, J.Plane, David E.Poli, B.Polok, J.Przybycien, M.Quadt, A.Rembser, C.Rick, H.Robins, S.A.Rodning, N.Roney, J.M.Rosati, S.Roscoe, K.Rossi, A.M.Rozen, Y.Runge, K.Runolfsson, O.Rust, D.R.Sachs, K.Saeki, T.Sahr, O.Sang, W.M.Sarkisian, E.K.G.Sbarra, C.Schaile, A.D.Schaile, O.Scharff-Hansen, P.Schmitt, S.Schoning, A.Schroder, MatthiasSchumacher, M.Schwick, C.Scott, W.G.Seuster, R.Shears, T.G.Shen, B.C.Shepherd-Themistocleous, C.H.Sherwood, P.Siroli, G.P.Skuja, A.Smith, A.M.Snow, G.A.Sobie, R.Soldner-Rembold, S.Spagnolo, S.Sproston, M.Stahl, A.Stephens, K.Stoll, K.Strom, David M.Strohmer, R.Surrow, B.Talbot, S.D.Tarem, S.Taylor, R.J.Teuscher, R.Thiergen, M.Thomas, J.Thomson, M.A.Torrence, E.Towers, S.Trefzger, T.Trigger, I.Trocsanyi, Z.Tsur, E.Turner-Watson, M.F.Ueda, I.Van Kooten, Rick J.Vannerem, P.Verzocchi, M.Voss, H.Waller, D.Ward, C.P.Ward, D.R.Watkins, P.M.Watson, A.T.Watson, N.K.Wells, P.S.Wengler, T.Wermes, N.Wetterling, D.White, J.S.Wilson, G.W.Wilson, J.A.Wyatt, T.R.Yamashita, S.Zacek, V.Zer-Zion, D.QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeVParticle Physics - ExperimentWe have studied hadronic events from e+e- annihilation data at centre-of-mass energies of sqrt{s}=172, 183 and 189 GeV. The total integrated luminosity of the three samples, measured with the OPAL detector, corresponds to 250 pb^-1. We present distributions of event shape variables, charged particle multiplicity and momentum, measured separately in the three data samples. From these we extract measurements of the strong coupling alpha_s, the mean charged particle multiplicity <nch> and the peak position xi_0 in the xi_p=ln(1/x_p) distribution. In general the data are described well by analytic QCD calculations and Monte Carlo models. Our measured values of alpha_s, <nch> and xi_0 are consistent with previous determinations at sqrt{s}=MZ.We have studied hadronic events from e+e- annihilation data at centre-of-mass energies of sqrt{s}=172, 183 and 189 GeV. The total integrated luminosity of the three samples, measured with the OPAL detector, corresponds to 250 pb^-1. We present distributions of event shape variables, charged particle multiplicity and momentum, measured separately in the three data samples. From these we extract measurements of the strong coupling alpha_s, the mean charged particle multiplicity <nch> and the peak position xi_0 in the xi_p=ln(1/x_p) distribution. In general the data are described well by analytic QCD calculations and Monte Carlo models. Our measured values of alpha_s, <nch> and xi_0 are consistent with previous determinations at sqrt{s}=MZ.hep-ex/0002012CERN-EP-99-178CERN-EP-99-178oai:cds.cern.ch:4255652000-02-03
spellingShingle Particle Physics - Experiment
Abbiendi, G.
Ackerstaff, K.
Akesson, P.F.
Alexander, G.
Allison, John
Anderson, K.J.
Arcelli, S.
Asai, S.
Ashby, S.F.
Axen, D.
Azuelos, G.
Bailey, I.
Ball, A.H.
Barberio, E.
Barlow, Roger J.
Batley, J.R.
Baumann, S.
Behnke, T.
Bell, Kenneth Watson
Bella, G.
Bellerive, A.
Bentvelsen, S.
Bethke, S.
Biebel, O.
Biguzzi, A.
Bloodworth, I.J.
Bock, P.
Bohme, J.
Boeriu, O.
Bonacorsi, D.
Boutemeur, M.
Braibant, S.
Bright-Thomas, P.
Brigliadori, L.
Brown, Robert M.
Burckhart, H.J.
Cammin, J.
Capiluppi, P.
Carnegie, R.K.
Carter, A.A.
Carter, J.R.
Chang, C.Y.
Charlton, David G.
Chrisman, D.
Ciocca, C.
Clarke, P.E.L.
Clay, E.
Cohen, I.
Cooke, O.C.
Couchman, J.
Couyoumtzelis, C.
Coxe, R.L.
Cuffiani, M.
Dado, S.
Dallavalle, G.Marco
Dallison, S.
Davis, R.
de Roeck, A.
Dervan, P.
Desch, K.
Dienes, B.
Dixit, M.S.
Donkers, M.
Dubbert, J.
Duchovni, E.
Duckeck, G.
Duerdoth, I.P.
Estabrooks, P.G.
Etzion, E.
Fabbri, F.
Fanfani, A.
Fanti, M.
Faust, A.A.
Feld, L.
Ferrari, P.
Fiedler, F.
Fierro, M.
Fleck, I.
Frey, A.
Furtjes, A.
Futyan, D.I.
Gagnon, P.
Gary, J.W.
Gaycken, G.
Geich-Gimbel, C.
Giacomelli, G.
Giacomelli, P.
Gingrich, D.M.
Glenzinski, D.
Goldberg, J.
Gorn, W.
Grandi, C.
Graham, K.
Gross, E.
Grunhaus, J.
Gruwe, M.
Gunther, P.O.
Hajdu, C.
Hanson, G.G.
Hansroul, M.
Hapke, M.
Harder, K.
Harel, A.
Hargrove, C.K.
Harin-Dirac, M.
Hauke, A.
Hauschild, M.
Hawkes, C.M.
Hawkings, R.
Hemingway, R.J.
Hensel, C.
Herten, G.
Heuer, R.D.
Hildreth, M.D.
Hill, J.C.
Hobson, P.R.
Hocker, James Andrew
Hoffman, Kara Dion
Homer, R.J.
Honma, A.K.
Horvath, D.
Hossain, K.R.
Howard, R.
Huntemeyer, P.
Igo-Kemenes, P.
Imrie, D.C.
Ishii, K.
Jacob, F.R.
Jawahery, A.
Jeremie, H.
Jimack, M.
Jones, C.R.
Jovanovic, P.
Junk, T.R.
Kanaya, N.
Kanzaki, J.
Karapetian, G.
Karlen, D.
Kartvelishvili, V.
Kawagoe, K.
Kawamoto, T.
Kayal, P.I.
Keeler, R.K.
Kellogg, R.G.
Kennedy, B.W.
Kim, D.H.
Klein, K.
Klier, A.
Kobayashi, T.
Kobel, M.
Kokott, T.P.
Kolrep, M.
Komamiya, S.
Kowalewski, Robert V.
Kress, T.
Krieger, P.
von Krogh, J.
Kuhl, T.
Kupper, M.
Kyberd, P.
Lafferty, G.D.
Landsman, H.
Lanske, D.
Lawson, I.
Layter, J.G.
Leins, A.
Lellouch, D.
Letts, J.
Levinson, L.
Liebisch, R.
Lillich, J.
List, B.
Littlewood, C.
Lloyd, A.W.
Lloyd, S.L.
Loebinger, F.K.
Long, G.D.
Losty, M.J.
Lu, J.
Ludwig, J.
Macchiolo, A.
Macpherson, A.
Mader, W.
Mannelli, M.
Marcellini, S.
Marchant, T.E.
Martin, A.J.
Martin, J.P.
Martinez, G.
Mashimo, T.
Mattig, Peter
McDonald, W.John
McKenna, J.
McMahon, T.J.
McPherson, R.A.
Meijers, F.
Mendez-Lorenzo, P.
Merritt, F.S.
Mes, H.
Meyer, I.
Michelini, A.
Mihara, S.
Mikenberg, G.
Miller, D.J.
Mohr, W.
Montanari, A.
Mori, T.
Nagai, K.
Nakamura, I.
Neal, H.A.
Nisius, R.
O'Neale, S.W.
Oakham, F.G.
Odorici, F.
Ogren, H.O.
Okpara, A.
Oreglia, M.J.
Orito, S.
Pasztor, G.
Pater, J.R.
Patrick, G.N.
Patt, J.
Perez-Ochoa, R.
Pfeifenschneider, P.
Pilcher, J.E.
Pinfold, J.
Plane, David E.
Poli, B.
Polok, J.
Przybycien, M.
Quadt, A.
Rembser, C.
Rick, H.
Robins, S.A.
Rodning, N.
Roney, J.M.
Rosati, S.
Roscoe, K.
Rossi, A.M.
Rozen, Y.
Runge, K.
Runolfsson, O.
Rust, D.R.
Sachs, K.
Saeki, T.
Sahr, O.
Sang, W.M.
Sarkisian, E.K.G.
Sbarra, C.
Schaile, A.D.
Schaile, O.
Scharff-Hansen, P.
Schmitt, S.
Schoning, A.
Schroder, Matthias
Schumacher, M.
Schwick, C.
Scott, W.G.
Seuster, R.
Shears, T.G.
Shen, B.C.
Shepherd-Themistocleous, C.H.
Sherwood, P.
Siroli, G.P.
Skuja, A.
Smith, A.M.
Snow, G.A.
Sobie, R.
Soldner-Rembold, S.
Spagnolo, S.
Sproston, M.
Stahl, A.
Stephens, K.
Stoll, K.
Strom, David M.
Strohmer, R.
Surrow, B.
Talbot, S.D.
Tarem, S.
Taylor, R.J.
Teuscher, R.
Thiergen, M.
Thomas, J.
Thomson, M.A.
Torrence, E.
Towers, S.
Trefzger, T.
Trigger, I.
Trocsanyi, Z.
Tsur, E.
Turner-Watson, M.F.
Ueda, I.
Van Kooten, Rick J.
Vannerem, P.
Verzocchi, M.
Voss, H.
Waller, D.
Ward, C.P.
Ward, D.R.
Watkins, P.M.
Watson, A.T.
Watson, N.K.
Wells, P.S.
Wengler, T.
Wermes, N.
Wetterling, D.
White, J.S.
Wilson, G.W.
Wilson, J.A.
Wyatt, T.R.
Yamashita, S.
Zacek, V.
Zer-Zion, D.
QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeV
title QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeV
title_full QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeV
title_fullStr QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeV
title_full_unstemmed QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeV
title_short QCD studies with $e^{+}e^{-}$ annihilation data at 172-189 GeV
title_sort qcd studies with $e^{+}e^{-}$ annihilation data at 172-189 gev
topic Particle Physics - Experiment
url https://dx.doi.org/10.1007/s100520050015
http://cds.cern.ch/record/425565
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