Determination of the b Quark Mass at the Z Mass Scale

In hadronic decays of Z bosons recorded with the OPAL detector at LEP, events containing b quarks were selected using the long lifetime of b flavoured hadrons. Comparing the 3-jet rate in b events with that in d u,s and c quark events, a significant difference was observed. Using Order(alpha_s squar...

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Detalles Bibliográficos
Autores principales: Abbiendi, G., Ainsley, C., Akesson, P.F., Alexander, G., Allison, John, Anagnostou, G., Anderson, K.J., Arcelli, S., Asai, S., Axen, D., Azuelos, G., Bailey, I., Ball, A.H., Barberio, E., Barlow, Roger J., Batley, R.J., Behnke, T., Bell, Kenneth Watson, Bella, G., Bellerive, A., Bethke, S., Biebel, O., Bloodworth, I.J., Boeriu, O., Bock, P., Bohme, J., Bonacorsi, D., Boutemeur, M., Braibant, S., Brigliadori, L., Brown, Robert M., Burckhart, H.J., Cammin, J., Carnegie, R.K., Caron, B., Carter, A.A., Carter, J.R., Chang, C.Y., Charlton, David G., Clarke, P.E.L., Clay, E., Cohen, I., Couchman, J., Csilling, A., Cuffiani, M., Dado, S., Dallavalle, G.Marco, Dallison, S., De Roeck, A., De Wolf, E.A., Dervan, P., Desch, K., Dienes, B., Dixit, M.S., Donkers, M., Dubbert, J., Duchovni, E., Duckeck, G., Duerdoth, I.P., Etzion, E., Fabbri, F., Feld, L., Ferrari, P., Fiedler, F., Fleck, I., Ford, M., Frey, A., Furtjes, A., Futyan, D.I., Gagnon, P., Gary, J.W., Gaycken, G., Geich-Gimbel, C., Giacomelli, G., Giacomelli, P., Glenzinski, D., Goldberg, J., Grandi, C., Graham, K., Gross, E., Grunhaus, J., Gruwe, M., Gunther, P.O., Gupta, A., Hajdu, C., Hanson, G.G., Harder, K., Harel, A., Harin-Dirac, M., Hauschild, M., Hawkes, C.M., Hawkings, R., Hemingway, R.J., Hensel, C., Herten, G., Heuer, R.D., Hill, J.C., Hoffman, Kara Dion, Homer, R.J., Horvath, D., Hossain, K.R., Howard, R., Huntemeyer, P., Igo-Kemenes, P., Ishii, K., Jawahery, A., Jeremie, H., Jones, C.R., Jovanovic, P., Junk, T.R., Kanaya, N., Kanzaki, J., Karapetian, G., Karlen, D., Kartvelishvili, V., Kawagoe, K., Kawamoto, T., Keeler, R.K., Kellogg, R.G., Kennedy, B.W., Kim, D.H., Klein, K., Klier, A., Kluth, S., Kobayashi, T., Kobel, M., Kokott, T.P., Komamiya, S., Kowalewski, Robert V., Kramer, T., Kress, T., Krieger, P., von Krogh, J., Krop, D., 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., 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., 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., Menges, W., Merritt, F.S., Mes, H., Michelini, A., Mihara, S., Mikenberg, G., Miller, D.J., Moed, S., Mohr, W., Montanari, A., Mori, T., Nagai, K., Nakamura, I., Neal, H.A., Nisius, R., O'Neale, S.W., Oakham, F.G., Odorici, F., Oh, A., Okpara, A., Oreglia, M.J., Orito, S., Pahl, C., Pasztor, G., Pater, J.R., Patrick, G.N., Pilcher, J.E., Pinfold, J., Plane, David E., Poli, B., Polok, J., Pooth, O., Quadt, A., Rabbertz, K., Rembser, C., Renkel, P., Rick, H., Rodning, N., Roney, J.M., Rosati, S., Roscoe, K., Rozen, Y., Runge, K., Rust, D.R., Sachs, K., Saeki, T., Sahr, O., Sarkisian, E.K.G., Sbarra, C., Schaile, A.D., Schaile, O., Scharff-Hansen, P., Schroder, Matthias, Schumacher, M., Schwick, C., Scott, W.G., Seuster, R., Shears, T.G., Shen, B.C., Shepherd-Themistocleous, C.H., Sherwood, P., Skuja, A., Smith, A.M., Snow, G.A., Sobie, R., Soldner-Rembold, S., Spagnolo, S., Spano, F., Sproston, M., Stahl, A., Stephens, K., Strom, David M., Strohmer, R., Stumpf, L., Surrow, B., Talbot, S.D., Tarem, S., Tasevsky, M., Taylor, R.J., Teuscher, R., Thomas, J., Thomson, M.A., Torrence, E., Toya, D., Trefzger, T., Trigger, I., Trocsanyi, Z., Tsur, E., Turner-Watson, M.F., Ueda, I., Ujvari, B., Vachon, B., Vollmer, C.F., Vannerem, P., Verzocchi, M., Voss, H., Vossebeld, J., 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., Wilson, G.W., Wilson, J.A., Wyatt, T.R., Yamashita, S., Zacek, V., Zer-Zion, D.
Lenguaje:eng
Publicado: 2001
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1007/s100520100746
http://cds.cern.ch/record/517765
_version_ 1780897714417958912
author Abbiendi, G.
Ainsley, C.
Akesson, P.F.
Alexander, G.
Allison, John
Anagnostou, G.
Anderson, K.J.
Arcelli, S.
Asai, S.
Axen, D.
Azuelos, G.
Bailey, I.
Ball, A.H.
Barberio, E.
Barlow, Roger J.
Batley, R.J.
Behnke, T.
Bell, Kenneth Watson
Bella, G.
Bellerive, A.
Bethke, S.
Biebel, O.
Bloodworth, I.J.
Boeriu, O.
Bock, P.
Bohme, J.
Bonacorsi, D.
Boutemeur, M.
Braibant, S.
Brigliadori, L.
Brown, Robert M.
Burckhart, H.J.
Cammin, J.
Carnegie, R.K.
Caron, B.
Carter, A.A.
Carter, J.R.
Chang, C.Y.
Charlton, David G.
Clarke, P.E.L.
Clay, E.
Cohen, I.
Couchman, J.
Csilling, A.
Cuffiani, M.
Dado, S.
Dallavalle, G.Marco
Dallison, S.
De Roeck, A.
De Wolf, E.A.
Dervan, P.
Desch, K.
Dienes, B.
Dixit, M.S.
Donkers, M.
Dubbert, J.
Duchovni, E.
Duckeck, G.
Duerdoth, I.P.
Etzion, E.
Fabbri, F.
Feld, L.
Ferrari, P.
Fiedler, F.
Fleck, I.
Ford, M.
Frey, A.
Furtjes, A.
Futyan, D.I.
Gagnon, P.
Gary, J.W.
Gaycken, G.
Geich-Gimbel, C.
Giacomelli, G.
Giacomelli, P.
Glenzinski, D.
Goldberg, J.
Grandi, C.
Graham, K.
Gross, E.
Grunhaus, J.
Gruwe, M.
Gunther, P.O.
Gupta, A.
Hajdu, C.
Hanson, G.G.
Harder, K.
Harel, A.
Harin-Dirac, M.
Hauschild, M.
Hawkes, C.M.
Hawkings, R.
Hemingway, R.J.
Hensel, C.
Herten, G.
Heuer, R.D.
Hill, J.C.
Hoffman, Kara Dion
Homer, R.J.
Horvath, D.
Hossain, K.R.
Howard, R.
Huntemeyer, P.
Igo-Kemenes, P.
Ishii, K.
Jawahery, A.
Jeremie, H.
Jones, C.R.
Jovanovic, P.
Junk, T.R.
Kanaya, N.
Kanzaki, J.
Karapetian, G.
Karlen, D.
Kartvelishvili, V.
Kawagoe, K.
Kawamoto, T.
Keeler, R.K.
Kellogg, R.G.
Kennedy, B.W.
Kim, D.H.
Klein, K.
Klier, A.
Kluth, S.
Kobayashi, T.
Kobel, M.
Kokott, T.P.
Komamiya, S.
Kowalewski, Robert V.
Kramer, T.
Kress, T.
Krieger, P.
von Krogh, J.
Krop, D.
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.
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.
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.
Menges, W.
Merritt, F.S.
Mes, H.
Michelini, A.
Mihara, S.
Mikenberg, G.
Miller, D.J.
Moed, S.
Mohr, W.
Montanari, A.
Mori, T.
Nagai, K.
Nakamura, I.
Neal, H.A.
Nisius, R.
O'Neale, S.W.
Oakham, F.G.
Odorici, F.
Oh, A.
Okpara, A.
Oreglia, M.J.
Orito, S.
Pahl, C.
Pasztor, G.
Pater, J.R.
Patrick, G.N.
Pilcher, J.E.
Pinfold, J.
Plane, David E.
Poli, B.
Polok, J.
Pooth, O.
Quadt, A.
Rabbertz, K.
Rembser, C.
Renkel, P.
Rick, H.
Rodning, N.
Roney, J.M.
Rosati, S.
Roscoe, K.
Rozen, Y.
Runge, K.
Rust, D.R.
Sachs, K.
Saeki, T.
Sahr, O.
Sarkisian, E.K.G.
Sbarra, C.
Schaile, A.D.
Schaile, O.
Scharff-Hansen, P.
Schroder, Matthias
Schumacher, M.
Schwick, C.
Scott, W.G.
Seuster, R.
Shears, T.G.
Shen, B.C.
Shepherd-Themistocleous, C.H.
Sherwood, P.
Skuja, A.
Smith, A.M.
Snow, G.A.
Sobie, R.
Soldner-Rembold, S.
Spagnolo, S.
Spano, F.
Sproston, M.
Stahl, A.
Stephens, K.
Strom, David M.
Strohmer, R.
Stumpf, L.
Surrow, B.
Talbot, S.D.
Tarem, S.
Tasevsky, M.
Taylor, R.J.
Teuscher, R.
Thomas, J.
Thomson, M.A.
Torrence, E.
Toya, D.
Trefzger, T.
Trigger, I.
Trocsanyi, Z.
Tsur, E.
Turner-Watson, M.F.
Ueda, I.
Ujvari, B.
Vachon, B.
Vollmer, C.F.
Vannerem, P.
Verzocchi, M.
Voss, H.
Vossebeld, J.
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.
Wilson, G.W.
Wilson, J.A.
Wyatt, T.R.
Yamashita, S.
Zacek, V.
Zer-Zion, D.
author_facet Abbiendi, G.
Ainsley, C.
Akesson, P.F.
Alexander, G.
Allison, John
Anagnostou, G.
Anderson, K.J.
Arcelli, S.
Asai, S.
Axen, D.
Azuelos, G.
Bailey, I.
Ball, A.H.
Barberio, E.
Barlow, Roger J.
Batley, R.J.
Behnke, T.
Bell, Kenneth Watson
Bella, G.
Bellerive, A.
Bethke, S.
Biebel, O.
Bloodworth, I.J.
Boeriu, O.
Bock, P.
Bohme, J.
Bonacorsi, D.
Boutemeur, M.
Braibant, S.
Brigliadori, L.
Brown, Robert M.
Burckhart, H.J.
Cammin, J.
Carnegie, R.K.
Caron, B.
Carter, A.A.
Carter, J.R.
Chang, C.Y.
Charlton, David G.
Clarke, P.E.L.
Clay, E.
Cohen, I.
Couchman, J.
Csilling, A.
Cuffiani, M.
Dado, S.
Dallavalle, G.Marco
Dallison, S.
De Roeck, A.
De Wolf, E.A.
Dervan, P.
Desch, K.
Dienes, B.
Dixit, M.S.
Donkers, M.
Dubbert, J.
Duchovni, E.
Duckeck, G.
Duerdoth, I.P.
Etzion, E.
Fabbri, F.
Feld, L.
Ferrari, P.
Fiedler, F.
Fleck, I.
Ford, M.
Frey, A.
Furtjes, A.
Futyan, D.I.
Gagnon, P.
Gary, J.W.
Gaycken, G.
Geich-Gimbel, C.
Giacomelli, G.
Giacomelli, P.
Glenzinski, D.
Goldberg, J.
Grandi, C.
Graham, K.
Gross, E.
Grunhaus, J.
Gruwe, M.
Gunther, P.O.
Gupta, A.
Hajdu, C.
Hanson, G.G.
Harder, K.
Harel, A.
Harin-Dirac, M.
Hauschild, M.
Hawkes, C.M.
Hawkings, R.
Hemingway, R.J.
Hensel, C.
Herten, G.
Heuer, R.D.
Hill, J.C.
Hoffman, Kara Dion
Homer, R.J.
Horvath, D.
Hossain, K.R.
Howard, R.
Huntemeyer, P.
Igo-Kemenes, P.
Ishii, K.
Jawahery, A.
Jeremie, H.
Jones, C.R.
Jovanovic, P.
Junk, T.R.
Kanaya, N.
Kanzaki, J.
Karapetian, G.
Karlen, D.
Kartvelishvili, V.
Kawagoe, K.
Kawamoto, T.
Keeler, R.K.
Kellogg, R.G.
Kennedy, B.W.
Kim, D.H.
Klein, K.
Klier, A.
Kluth, S.
Kobayashi, T.
Kobel, M.
Kokott, T.P.
Komamiya, S.
Kowalewski, Robert V.
Kramer, T.
Kress, T.
Krieger, P.
von Krogh, J.
Krop, D.
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.
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.
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.
Menges, W.
Merritt, F.S.
Mes, H.
Michelini, A.
Mihara, S.
Mikenberg, G.
Miller, D.J.
Moed, S.
Mohr, W.
Montanari, A.
Mori, T.
Nagai, K.
Nakamura, I.
Neal, H.A.
Nisius, R.
O'Neale, S.W.
Oakham, F.G.
Odorici, F.
Oh, A.
Okpara, A.
Oreglia, M.J.
Orito, S.
Pahl, C.
Pasztor, G.
Pater, J.R.
Patrick, G.N.
Pilcher, J.E.
Pinfold, J.
Plane, David E.
Poli, B.
Polok, J.
Pooth, O.
Quadt, A.
Rabbertz, K.
Rembser, C.
Renkel, P.
Rick, H.
Rodning, N.
Roney, J.M.
Rosati, S.
Roscoe, K.
Rozen, Y.
Runge, K.
Rust, D.R.
Sachs, K.
Saeki, T.
Sahr, O.
Sarkisian, E.K.G.
Sbarra, C.
Schaile, A.D.
Schaile, O.
Scharff-Hansen, P.
Schroder, Matthias
Schumacher, M.
Schwick, C.
Scott, W.G.
Seuster, R.
Shears, T.G.
Shen, B.C.
Shepherd-Themistocleous, C.H.
Sherwood, P.
Skuja, A.
Smith, A.M.
Snow, G.A.
Sobie, R.
Soldner-Rembold, S.
Spagnolo, S.
Spano, F.
Sproston, M.
Stahl, A.
Stephens, K.
Strom, David M.
Strohmer, R.
Stumpf, L.
Surrow, B.
Talbot, S.D.
Tarem, S.
Tasevsky, M.
Taylor, R.J.
Teuscher, R.
Thomas, J.
Thomson, M.A.
Torrence, E.
Toya, D.
Trefzger, T.
Trigger, I.
Trocsanyi, Z.
Tsur, E.
Turner-Watson, M.F.
Ueda, I.
Ujvari, B.
Vachon, B.
Vollmer, C.F.
Vannerem, P.
Verzocchi, M.
Voss, H.
Vossebeld, J.
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.
Wilson, G.W.
Wilson, J.A.
Wyatt, T.R.
Yamashita, S.
Zacek, V.
Zer-Zion, D.
author_sort Abbiendi, G.
collection CERN
description In hadronic decays of Z bosons recorded with the OPAL detector at LEP, events containing b quarks were selected using the long lifetime of b flavoured hadrons. Comparing the 3-jet rate in b events with that in d u,s and c quark events, a significant difference was observed. Using Order(alpha_s squared) calculations for massive quarks, this difference was used to determine the b quark mass in the MSbar renormalisation scheme at the scale of the Z boson mass. By combining the results from seven different jet finders the running b quark mass was determined to be mb(MZ) = (2.67 +/- 0.03(stat) +0.29/-0.37(syst) +/- 0.19(theo.)) GeV. Evolving this value to the b quark mass scale itself yields mb(mb) = (3.95 +0.52/-0.62) GeV, consistent with results obtained at the b quark production threshold. This determination confirms the QCD expectation of a scale dependent quark mass. A constant mass is ruled out by 3.9 standard deviations.
id cern-517765
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2001
record_format invenio
spelling cern-5177652021-10-29T02:29:28Zdoi:10.1007/s100520100746http://cds.cern.ch/record/517765engAbbiendi, G.Ainsley, C.Akesson, P.F.Alexander, G.Allison, JohnAnagnostou, G.Anderson, K.J.Arcelli, S.Asai, S.Axen, D.Azuelos, G.Bailey, I.Ball, A.H.Barberio, E.Barlow, Roger J.Batley, R.J.Behnke, T.Bell, Kenneth WatsonBella, G.Bellerive, A.Bethke, S.Biebel, O.Bloodworth, I.J.Boeriu, O.Bock, P.Bohme, J.Bonacorsi, D.Boutemeur, M.Braibant, S.Brigliadori, L.Brown, Robert M.Burckhart, H.J.Cammin, J.Carnegie, R.K.Caron, B.Carter, A.A.Carter, J.R.Chang, C.Y.Charlton, David G.Clarke, P.E.L.Clay, E.Cohen, I.Couchman, J.Csilling, A.Cuffiani, M.Dado, S.Dallavalle, G.MarcoDallison, S.De Roeck, A.De Wolf, E.A.Dervan, P.Desch, K.Dienes, B.Dixit, M.S.Donkers, M.Dubbert, J.Duchovni, E.Duckeck, G.Duerdoth, I.P.Etzion, E.Fabbri, F.Feld, L.Ferrari, P.Fiedler, F.Fleck, I.Ford, M.Frey, A.Furtjes, A.Futyan, D.I.Gagnon, P.Gary, J.W.Gaycken, G.Geich-Gimbel, C.Giacomelli, G.Giacomelli, P.Glenzinski, D.Goldberg, J.Grandi, C.Graham, K.Gross, E.Grunhaus, J.Gruwe, M.Gunther, P.O.Gupta, A.Hajdu, C.Hanson, G.G.Harder, K.Harel, A.Harin-Dirac, M.Hauschild, M.Hawkes, C.M.Hawkings, R.Hemingway, R.J.Hensel, C.Herten, G.Heuer, R.D.Hill, J.C.Hoffman, Kara DionHomer, R.J.Horvath, D.Hossain, K.R.Howard, R.Huntemeyer, P.Igo-Kemenes, P.Ishii, K.Jawahery, A.Jeremie, H.Jones, C.R.Jovanovic, P.Junk, T.R.Kanaya, N.Kanzaki, J.Karapetian, G.Karlen, D.Kartvelishvili, V.Kawagoe, K.Kawamoto, T.Keeler, R.K.Kellogg, R.G.Kennedy, B.W.Kim, D.H.Klein, K.Klier, A.Kluth, S.Kobayashi, T.Kobel, M.Kokott, T.P.Komamiya, S.Kowalewski, Robert V.Kramer, T.Kress, T.Krieger, P.von Krogh, J.Krop, D.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.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.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.Menges, W.Merritt, F.S.Mes, H.Michelini, A.Mihara, S.Mikenberg, G.Miller, D.J.Moed, S.Mohr, W.Montanari, A.Mori, T.Nagai, K.Nakamura, I.Neal, H.A.Nisius, R.O'Neale, S.W.Oakham, F.G.Odorici, F.Oh, A.Okpara, A.Oreglia, M.J.Orito, S.Pahl, C.Pasztor, G.Pater, J.R.Patrick, G.N.Pilcher, J.E.Pinfold, J.Plane, David E.Poli, B.Polok, J.Pooth, O.Quadt, A.Rabbertz, K.Rembser, C.Renkel, P.Rick, H.Rodning, N.Roney, J.M.Rosati, S.Roscoe, K.Rozen, Y.Runge, K.Rust, D.R.Sachs, K.Saeki, T.Sahr, O.Sarkisian, E.K.G.Sbarra, C.Schaile, A.D.Schaile, O.Scharff-Hansen, P.Schroder, MatthiasSchumacher, M.Schwick, C.Scott, W.G.Seuster, R.Shears, T.G.Shen, B.C.Shepherd-Themistocleous, C.H.Sherwood, P.Skuja, A.Smith, A.M.Snow, G.A.Sobie, R.Soldner-Rembold, S.Spagnolo, S.Spano, F.Sproston, M.Stahl, A.Stephens, K.Strom, David M.Strohmer, R.Stumpf, L.Surrow, B.Talbot, S.D.Tarem, S.Tasevsky, M.Taylor, R.J.Teuscher, R.Thomas, J.Thomson, M.A.Torrence, E.Toya, D.Trefzger, T.Trigger, I.Trocsanyi, Z.Tsur, E.Turner-Watson, M.F.Ueda, I.Ujvari, B.Vachon, B.Vollmer, C.F.Vannerem, P.Verzocchi, M.Voss, H.Vossebeld, J.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.Wilson, G.W.Wilson, J.A.Wyatt, T.R.Yamashita, S.Zacek, V.Zer-Zion, D.Determination of the b Quark Mass at the Z Mass ScaleParticle Physics - ExperimentIn hadronic decays of Z bosons recorded with the OPAL detector at LEP, events containing b quarks were selected using the long lifetime of b flavoured hadrons. Comparing the 3-jet rate in b events with that in d u,s and c quark events, a significant difference was observed. Using Order(alpha_s squared) calculations for massive quarks, this difference was used to determine the b quark mass in the MSbar renormalisation scheme at the scale of the Z boson mass. By combining the results from seven different jet finders the running b quark mass was determined to be mb(MZ) = (2.67 +/- 0.03(stat) +0.29/-0.37(syst) +/- 0.19(theo.)) GeV. Evolving this value to the b quark mass scale itself yields mb(mb) = (3.95 +0.52/-0.62) GeV, consistent with results obtained at the b quark production threshold. This determination confirms the QCD expectation of a scale dependent quark mass. A constant mass is ruled out by 3.9 standard deviations.In hadronic decays of Z bosons recorded with the OPAL detector at LEP, events containing b quarks were selected using the long lifetime of b flavoured hadrons. Comparing the 3-jet rate in b events with that in d,u,s and c quark events, a significant difference was observed. Using Order(alpha_s squared) calculations for massive quarks, this difference was used to determine the b quark mass in the MSbar renormalisation scheme at the scale of the Z boson mass. By combining the results from seven different jet finders the running b quark mass was determined to be mb(MZ) = (2.67 +/- 0.03(stat) +0.29/-0.37(syst) +/- 0.19(theo.)) GeV. Evolving this value to the b quark mass scale itself yields mb(mb) = (3.95 +0.52/-0.62) GeV, consistent with results obtained at the b quark production threshold. This determination confirms the QCD expectation of a scale dependent quark mass. A constant mass is ruled out by 3.9 standard deviations.hep-ex/0105046CERN-EP-2001-034CERN-EP-2001-034oai:cds.cern.ch:5177652001-05-04
spellingShingle Particle Physics - Experiment
Abbiendi, G.
Ainsley, C.
Akesson, P.F.
Alexander, G.
Allison, John
Anagnostou, G.
Anderson, K.J.
Arcelli, S.
Asai, S.
Axen, D.
Azuelos, G.
Bailey, I.
Ball, A.H.
Barberio, E.
Barlow, Roger J.
Batley, R.J.
Behnke, T.
Bell, Kenneth Watson
Bella, G.
Bellerive, A.
Bethke, S.
Biebel, O.
Bloodworth, I.J.
Boeriu, O.
Bock, P.
Bohme, J.
Bonacorsi, D.
Boutemeur, M.
Braibant, S.
Brigliadori, L.
Brown, Robert M.
Burckhart, H.J.
Cammin, J.
Carnegie, R.K.
Caron, B.
Carter, A.A.
Carter, J.R.
Chang, C.Y.
Charlton, David G.
Clarke, P.E.L.
Clay, E.
Cohen, I.
Couchman, J.
Csilling, A.
Cuffiani, M.
Dado, S.
Dallavalle, G.Marco
Dallison, S.
De Roeck, A.
De Wolf, E.A.
Dervan, P.
Desch, K.
Dienes, B.
Dixit, M.S.
Donkers, M.
Dubbert, J.
Duchovni, E.
Duckeck, G.
Duerdoth, I.P.
Etzion, E.
Fabbri, F.
Feld, L.
Ferrari, P.
Fiedler, F.
Fleck, I.
Ford, M.
Frey, A.
Furtjes, A.
Futyan, D.I.
Gagnon, P.
Gary, J.W.
Gaycken, G.
Geich-Gimbel, C.
Giacomelli, G.
Giacomelli, P.
Glenzinski, D.
Goldberg, J.
Grandi, C.
Graham, K.
Gross, E.
Grunhaus, J.
Gruwe, M.
Gunther, P.O.
Gupta, A.
Hajdu, C.
Hanson, G.G.
Harder, K.
Harel, A.
Harin-Dirac, M.
Hauschild, M.
Hawkes, C.M.
Hawkings, R.
Hemingway, R.J.
Hensel, C.
Herten, G.
Heuer, R.D.
Hill, J.C.
Hoffman, Kara Dion
Homer, R.J.
Horvath, D.
Hossain, K.R.
Howard, R.
Huntemeyer, P.
Igo-Kemenes, P.
Ishii, K.
Jawahery, A.
Jeremie, H.
Jones, C.R.
Jovanovic, P.
Junk, T.R.
Kanaya, N.
Kanzaki, J.
Karapetian, G.
Karlen, D.
Kartvelishvili, V.
Kawagoe, K.
Kawamoto, T.
Keeler, R.K.
Kellogg, R.G.
Kennedy, B.W.
Kim, D.H.
Klein, K.
Klier, A.
Kluth, S.
Kobayashi, T.
Kobel, M.
Kokott, T.P.
Komamiya, S.
Kowalewski, Robert V.
Kramer, T.
Kress, T.
Krieger, P.
von Krogh, J.
Krop, D.
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.
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.
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.
Menges, W.
Merritt, F.S.
Mes, H.
Michelini, A.
Mihara, S.
Mikenberg, G.
Miller, D.J.
Moed, S.
Mohr, W.
Montanari, A.
Mori, T.
Nagai, K.
Nakamura, I.
Neal, H.A.
Nisius, R.
O'Neale, S.W.
Oakham, F.G.
Odorici, F.
Oh, A.
Okpara, A.
Oreglia, M.J.
Orito, S.
Pahl, C.
Pasztor, G.
Pater, J.R.
Patrick, G.N.
Pilcher, J.E.
Pinfold, J.
Plane, David E.
Poli, B.
Polok, J.
Pooth, O.
Quadt, A.
Rabbertz, K.
Rembser, C.
Renkel, P.
Rick, H.
Rodning, N.
Roney, J.M.
Rosati, S.
Roscoe, K.
Rozen, Y.
Runge, K.
Rust, D.R.
Sachs, K.
Saeki, T.
Sahr, O.
Sarkisian, E.K.G.
Sbarra, C.
Schaile, A.D.
Schaile, O.
Scharff-Hansen, P.
Schroder, Matthias
Schumacher, M.
Schwick, C.
Scott, W.G.
Seuster, R.
Shears, T.G.
Shen, B.C.
Shepherd-Themistocleous, C.H.
Sherwood, P.
Skuja, A.
Smith, A.M.
Snow, G.A.
Sobie, R.
Soldner-Rembold, S.
Spagnolo, S.
Spano, F.
Sproston, M.
Stahl, A.
Stephens, K.
Strom, David M.
Strohmer, R.
Stumpf, L.
Surrow, B.
Talbot, S.D.
Tarem, S.
Tasevsky, M.
Taylor, R.J.
Teuscher, R.
Thomas, J.
Thomson, M.A.
Torrence, E.
Toya, D.
Trefzger, T.
Trigger, I.
Trocsanyi, Z.
Tsur, E.
Turner-Watson, M.F.
Ueda, I.
Ujvari, B.
Vachon, B.
Vollmer, C.F.
Vannerem, P.
Verzocchi, M.
Voss, H.
Vossebeld, J.
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.
Wilson, G.W.
Wilson, J.A.
Wyatt, T.R.
Yamashita, S.
Zacek, V.
Zer-Zion, D.
Determination of the b Quark Mass at the Z Mass Scale
title Determination of the b Quark Mass at the Z Mass Scale
title_full Determination of the b Quark Mass at the Z Mass Scale
title_fullStr Determination of the b Quark Mass at the Z Mass Scale
title_full_unstemmed Determination of the b Quark Mass at the Z Mass Scale
title_short Determination of the b Quark Mass at the Z Mass Scale
title_sort determination of the b quark mass at the z mass scale
topic Particle Physics - Experiment
url https://dx.doi.org/10.1007/s100520100746
http://cds.cern.ch/record/517765
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AT nisiusr determinationofthebquarkmassatthezmassscale
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AT oakhamfg determinationofthebquarkmassatthezmassscale
AT odoricif determinationofthebquarkmassatthezmassscale
AT oha determinationofthebquarkmassatthezmassscale
AT okparaa determinationofthebquarkmassatthezmassscale
AT oregliamj determinationofthebquarkmassatthezmassscale
AT oritos determinationofthebquarkmassatthezmassscale
AT pahlc determinationofthebquarkmassatthezmassscale
AT pasztorg determinationofthebquarkmassatthezmassscale
AT paterjr determinationofthebquarkmassatthezmassscale
AT patrickgn determinationofthebquarkmassatthezmassscale
AT pilcherje determinationofthebquarkmassatthezmassscale
AT pinfoldj determinationofthebquarkmassatthezmassscale
AT planedavide determinationofthebquarkmassatthezmassscale
AT polib determinationofthebquarkmassatthezmassscale
AT polokj determinationofthebquarkmassatthezmassscale
AT pootho determinationofthebquarkmassatthezmassscale
AT quadta determinationofthebquarkmassatthezmassscale
AT rabbertzk determinationofthebquarkmassatthezmassscale
AT rembserc determinationofthebquarkmassatthezmassscale
AT renkelp determinationofthebquarkmassatthezmassscale
AT rickh determinationofthebquarkmassatthezmassscale
AT rodningn determinationofthebquarkmassatthezmassscale
AT roneyjm determinationofthebquarkmassatthezmassscale
AT rosatis determinationofthebquarkmassatthezmassscale
AT roscoek determinationofthebquarkmassatthezmassscale
AT rozeny determinationofthebquarkmassatthezmassscale
AT rungek determinationofthebquarkmassatthezmassscale
AT rustdr determinationofthebquarkmassatthezmassscale
AT sachsk determinationofthebquarkmassatthezmassscale
AT saekit determinationofthebquarkmassatthezmassscale
AT sahro determinationofthebquarkmassatthezmassscale
AT sarkisianekg determinationofthebquarkmassatthezmassscale
AT sbarrac determinationofthebquarkmassatthezmassscale
AT schailead determinationofthebquarkmassatthezmassscale
AT schaileo determinationofthebquarkmassatthezmassscale
AT scharffhansenp determinationofthebquarkmassatthezmassscale
AT schrodermatthias determinationofthebquarkmassatthezmassscale
AT schumacherm determinationofthebquarkmassatthezmassscale
AT schwickc determinationofthebquarkmassatthezmassscale
AT scottwg determinationofthebquarkmassatthezmassscale
AT seusterr determinationofthebquarkmassatthezmassscale
AT shearstg determinationofthebquarkmassatthezmassscale
AT shenbc determinationofthebquarkmassatthezmassscale
AT shepherdthemistocleousch determinationofthebquarkmassatthezmassscale
AT sherwoodp determinationofthebquarkmassatthezmassscale
AT skujaa determinationofthebquarkmassatthezmassscale
AT smitham determinationofthebquarkmassatthezmassscale
AT snowga determinationofthebquarkmassatthezmassscale
AT sobier determinationofthebquarkmassatthezmassscale
AT soldnerrembolds determinationofthebquarkmassatthezmassscale
AT spagnolos determinationofthebquarkmassatthezmassscale
AT spanof determinationofthebquarkmassatthezmassscale
AT sprostonm determinationofthebquarkmassatthezmassscale
AT stahla determinationofthebquarkmassatthezmassscale
AT stephensk determinationofthebquarkmassatthezmassscale
AT stromdavidm determinationofthebquarkmassatthezmassscale
AT strohmerr determinationofthebquarkmassatthezmassscale
AT stumpfl determinationofthebquarkmassatthezmassscale
AT surrowb determinationofthebquarkmassatthezmassscale
AT talbotsd determinationofthebquarkmassatthezmassscale
AT tarems determinationofthebquarkmassatthezmassscale
AT tasevskym determinationofthebquarkmassatthezmassscale
AT taylorrj determinationofthebquarkmassatthezmassscale
AT teuscherr determinationofthebquarkmassatthezmassscale
AT thomasj determinationofthebquarkmassatthezmassscale
AT thomsonma determinationofthebquarkmassatthezmassscale
AT torrencee determinationofthebquarkmassatthezmassscale
AT toyad determinationofthebquarkmassatthezmassscale
AT trefzgert determinationofthebquarkmassatthezmassscale
AT triggeri determinationofthebquarkmassatthezmassscale
AT trocsanyiz determinationofthebquarkmassatthezmassscale
AT tsure determinationofthebquarkmassatthezmassscale
AT turnerwatsonmf determinationofthebquarkmassatthezmassscale
AT uedai determinationofthebquarkmassatthezmassscale
AT ujvarib determinationofthebquarkmassatthezmassscale
AT vachonb determinationofthebquarkmassatthezmassscale
AT vollmercf determinationofthebquarkmassatthezmassscale
AT vanneremp determinationofthebquarkmassatthezmassscale
AT verzocchim determinationofthebquarkmassatthezmassscale
AT vossh determinationofthebquarkmassatthezmassscale
AT vossebeldj determinationofthebquarkmassatthezmassscale
AT wallerd determinationofthebquarkmassatthezmassscale
AT wardcp determinationofthebquarkmassatthezmassscale
AT warddr determinationofthebquarkmassatthezmassscale
AT watkinspm determinationofthebquarkmassatthezmassscale
AT watsonat determinationofthebquarkmassatthezmassscale
AT watsonnk determinationofthebquarkmassatthezmassscale
AT wellsps determinationofthebquarkmassatthezmassscale
AT wenglert determinationofthebquarkmassatthezmassscale
AT wermesn determinationofthebquarkmassatthezmassscale
AT wetterlingd determinationofthebquarkmassatthezmassscale
AT wilsongw determinationofthebquarkmassatthezmassscale
AT wilsonja determinationofthebquarkmassatthezmassscale
AT wyatttr determinationofthebquarkmassatthezmassscale
AT yamashitas determinationofthebquarkmassatthezmassscale
AT zacekv determinationofthebquarkmassatthezmassscale
AT zerziond determinationofthebquarkmassatthezmassscale

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