A measurement of the gluon splitting rate into bb̄ pairs in hadronic Z decays

R. Barate; D. Buskulic; D. Decamp; P. Ghez; C. Goy; J. P. Lees; A. Lucotte; E. Merle; M. N. Minard; J. Y. Nief; B. Pietrzyk; R. Alemany; G. Boix; M. P. Casado; M. Chmeissani; J. M. Crespo; M. Delfino; E. Fernandez; M. Fernandez-Bosman; L. Garrido; E. Graugès; A. Juste; M. Martinez; G. Merino; R. Miquel; Ll M. Mir; I. C. Park; A. Pascual; I. Riu; F. Sanchez; A. Colaleo; D. Creanza; M. de Palma; G. Gelao; G. Iaselli; G. Maggi; M. Maggi; S. Nuzzo; A. Ranieri; G. Raso; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; A. Tricomi; G. Zito; X. Huang; J. Lin; Q. Ouyang; T. Wang; Y. Xie; R. Xu; S. Xue; J. Zhang; L. Zhang; W. Zhao; D. Abbaneo; U. Becker; P. Bright-Thomas; D. Casper; M. Cattaneo; F. Cerutti; V. Ciulli; G. Dissertori; H. Drevermann; R. W. Forty; M. Frank; R. Hagelberg; A. W. Halley; J. B. Hansen; J. Harvey; P. Janot; B. Jost; I. Lehraus; P. Mato; A. Minten; L. Moneta; A. Pacheco; F. Ranjard; L. Rolandi; D. Rousseau; D. Schlatter; M. Schmitt; O. Schneider; W. Tejessy; F. Teubert; I. R. Tomalin; H. Wachsmuth; Z. Ajaltouni; F. Badaud; G. Chazelle; O. Deschamps; A. Falvard; C. Ferdi; P. Gay; C. Guicheney; P. Henrard; J. Jousset; B. Michel; S. Monteil

doi:10.1016/S0370-2693(98)00850-8

A measurement of the gluon splitting rate into bb̄ pairs in hadronic Z decays

R. Barate, D. Buskulic, D. Decamp, P. Ghez, C. Goy, J. P. Lees, A. Lucotte, E. Merle, M. N. Minard, J. Y. Nief, B. Pietrzyk, R. Alemany, G. Boix, M. P. Casado, M. Chmeissani, J. M. Crespo, M. Delfino, E. Fernandez, M. Fernandez-Bosman, L. GarridoE. Graugès, A. Juste, M. Martinez, G. Merino, R. Miquel, Ll M. Mir, I. C. Park, A. Pascual, I. Riu, F. Sanchez, A. Colaleo, D. Creanza, M. de Palma, G. Gelao, G. Iaselli, G. Maggi, M. Maggi, S. Nuzzo, A. Ranieri, G. Raso, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, A. Tricomi, G. Zito, X. Huang, J. Lin, Q. Ouyang, T. Wang, Y. Xie, R. Xu, S. Xue, J. Zhang, L. Zhang, W. Zhao, D. Abbaneo, U. Becker, P. Bright-Thomas, D. Casper, M. Cattaneo, F. Cerutti, V. Ciulli, G. Dissertori, H. Drevermann, R. W. Forty, M. Frank, R. Hagelberg, A. W. Halley, J. B. Hansen, J. Harvey, P. Janot, B. Jost, I. Lehraus, P. Mato, A. Minten, L. Moneta, A. Pacheco, F. Ranjard, L. Rolandi, D. Rousseau, D. Schlatter, M. Schmitt, O. Schneider, W. Tejessy, F. Teubert, I. R. Tomalin, H. Wachsmuth, Z. Ajaltouni, F. Badaud, G. Chazelle, O. Deschamps, A. Falvard, C. Ferdi, P. Gay, C. Guicheney, P. Henrard, J. Jousset, B. Michel, S. Monteil

Department of Physics

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Abstract

A measurement of the fraction of hadronic Z decays in which a gluon splits into a bb̄ pair, gbb̄, is presented using data collected by ALEPH from 1992 to 1995 at the Z resonance. The selection is based on four-jet events. Events are selected by means of topological cuts and a lifetime tag. The result is gbb̄ = (2.77 + 0.42(stat) + 0.57(syst)) × 10-3. © 1998 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	437-450
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	434
Issue number	3-4
DOIs	https://doi.org/10.1016/S0370-2693(98)00850-8
Publication status	Published - 27 Aug 1998

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10.1016/S0370-2693(98)00850-8

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Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J. P., Lucotte, A., Merle, E., Minard, M. N., Nief, J. Y., Pietrzyk, B., Alemany, R., Boix, G., Casado, M. P., Chmeissani, M., Crespo, J. M., Delfino, M., Fernandez, E., Fernandez-Bosman, M., ... Monteil, S. (1998). A measurement of the gluon splitting rate into bb̄ pairs in hadronic Z decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 434(3-4), 437-450. https://doi.org/10.1016/S0370-2693(98)00850-8

@article{3899ac9baf5149918956334427fb7df0,

title = "A measurement of the gluon splitting rate into b{\=b} pairs in hadronic Z decays",

abstract = "A measurement of the fraction of hadronic Z decays in which a gluon splits into a b{\=b} pair, gb{\=b}, is presented using data collected by ALEPH from 1992 to 1995 at the Z resonance. The selection is based on four-jet events. Events are selected by means of topological cuts and a lifetime tag. The result is gb{\=b} = (2.77 + 0.42(stat) + 0.57(syst)) × 10-3. {\textcopyright} 1998 Elsevier Science B.V. All rights reserved.",

author = "R. Barate and D. Buskulic and D. Decamp and P. Ghez and C. Goy and Lees, {J. P.} and A. Lucotte and E. Merle and Minard, {M. N.} and Nief, {J. Y.} and B. Pietrzyk and R. Alemany and G. Boix and Casado, {M. P.} and M. Chmeissani and Crespo, {J. M.} and M. Delfino and E. Fernandez and M. Fernandez-Bosman and L. Garrido and E. Graug{\`e}s and A. Juste and M. Martinez and G. Merino and R. Miquel and Mir, {Ll M.} and Park, {I. C.} and A. Pascual and I. Riu and F. Sanchez and A. Colaleo and D. Creanza and {de Palma}, M. and G. Gelao and G. Iaselli and G. Maggi and M. Maggi and S. Nuzzo and A. Ranieri and G. Raso and F. Ruggieri and G. Selvaggi and L. Silvestris and P. Tempesta and A. Tricomi and G. Zito and X. Huang and J. Lin and Q. Ouyang and T. Wang and Y. Xie and R. Xu and S. Xue and J. Zhang and L. Zhang and W. Zhao and D. Abbaneo and U. Becker and P. Bright-Thomas and D. Casper and M. Cattaneo and F. Cerutti and V. Ciulli and G. Dissertori and H. Drevermann and Forty, {R. W.} and M. Frank and R. Hagelberg and Halley, {A. W.} and Hansen, {J. B.} and J. Harvey and P. Janot and B. Jost and I. Lehraus and P. Mato and A. Minten and L. Moneta and A. Pacheco and F. Ranjard and L. Rolandi and D. Rousseau and D. Schlatter and M. Schmitt and O. Schneider and W. Tejessy and F. Teubert and Tomalin, {I. R.} and H. Wachsmuth and Z. Ajaltouni and F. Badaud and G. Chazelle and O. Deschamps and A. Falvard and C. Ferdi and P. Gay and C. Guicheney and P. Henrard and J. Jousset and B. Michel and S. Monteil",

year = "1998",

month = aug,

day = "27",

doi = "10.1016/S0370-2693(98)00850-8",

language = "English",

volume = "434",

pages = "437--450",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

number = "3-4",

}

Barate, R, Buskulic, D, Decamp, D, Ghez, P, Goy, C, Lees, JP, Lucotte, A, Merle, E, Minard, MN, Nief, JY, Pietrzyk, B, Alemany, R, Boix, G, Casado, MP, Chmeissani, M, Crespo, JM , Delfino, M , Fernandez, E, Fernandez-Bosman, M, Garrido, L, Graugès, E, Juste, A, Martinez, M, Merino, G, Miquel, R, Mir, LM, Park, IC, Pascual, A, Riu, I, Sanchez, F, Colaleo, A, Creanza, D, de Palma, M, Gelao, G, Iaselli, G, Maggi, G, Maggi, M, Nuzzo, S, Ranieri, A, Raso, G, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Tricomi, A, Zito, G, Huang, X, Lin, J, Ouyang, Q, Wang, T, Xie, Y, Xu, R, Xue, S, Zhang, J, Zhang, L, Zhao, W, Abbaneo, D, Becker, U, Bright-Thomas, P, Casper, D, Cattaneo, M, Cerutti, F, Ciulli, V, Dissertori, G, Drevermann, H, Forty, RW, Frank, M, Hagelberg, R, Halley, AW, Hansen, JB, Harvey, J, Janot, P, Jost, B, Lehraus, I, Mato, P, Minten, A, Moneta, L, Pacheco, A, Ranjard, F, Rolandi, L, Rousseau, D, Schlatter, D, Schmitt, M, Schneider, O, Tejessy, W, Teubert, F, Tomalin, IR, Wachsmuth, H, Ajaltouni, Z, Badaud, F, Chazelle, G, Deschamps, O, Falvard, A, Ferdi, C, Gay, P, Guicheney, C, Henrard, P, Jousset, J, Michel, B & Monteil, S 1998, 'A measurement of the gluon splitting rate into bb̄ pairs in hadronic Z decays', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 434, no. 3-4, pp. 437-450. https://doi.org/10.1016/S0370-2693(98)00850-8

TY - JOUR

T1 - A measurement of the gluon splitting rate into bb̄ pairs in hadronic Z decays

AU - Barate, R.

AU - Buskulic, D.

AU - Decamp, D.

AU - Ghez, P.

AU - Goy, C.

AU - Lees, J. P.

AU - Lucotte, A.

AU - Merle, E.

AU - Minard, M. N.

AU - Nief, J. Y.

AU - Pietrzyk, B.

AU - Alemany, R.

AU - Boix, G.

AU - Casado, M. P.

AU - Chmeissani, M.

AU - Crespo, J. M.

AU - Delfino, M.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Garrido, L.

AU - Graugès, E.

AU - Juste, A.

AU - Martinez, M.

AU - Merino, G.

AU - Miquel, R.

AU - Mir, Ll M.

AU - Park, I. C.

AU - Pascual, A.

AU - Riu, I.

AU - Sanchez, F.

AU - Colaleo, A.

AU - Creanza, D.

AU - de Palma, M.

AU - Gelao, G.

AU - Iaselli, G.

AU - Maggi, G.

AU - Maggi, M.

AU - Nuzzo, S.

AU - Ranieri, A.

AU - Raso, G.

AU - Ruggieri, F.

AU - Selvaggi, G.

AU - Silvestris, L.

AU - Tempesta, P.

AU - Tricomi, A.

AU - Zito, G.

AU - Huang, X.

AU - Lin, J.

AU - Ouyang, Q.

AU - Wang, T.

AU - Xie, Y.

AU - Xu, R.

AU - Xue, S.

AU - Zhang, J.

AU - Zhang, L.

AU - Zhao, W.

AU - Abbaneo, D.

AU - Becker, U.

AU - Bright-Thomas, P.

AU - Casper, D.

AU - Cattaneo, M.

AU - Cerutti, F.

AU - Ciulli, V.

AU - Dissertori, G.

AU - Drevermann, H.

AU - Forty, R. W.

AU - Frank, M.

AU - Hagelberg, R.

AU - Halley, A. W.

AU - Hansen, J. B.

AU - Harvey, J.

AU - Janot, P.

AU - Jost, B.

AU - Lehraus, I.

AU - Mato, P.

AU - Minten, A.

AU - Moneta, L.

AU - Pacheco, A.

AU - Ranjard, F.

AU - Rolandi, L.

AU - Rousseau, D.

AU - Schlatter, D.

AU - Schmitt, M.

AU - Schneider, O.

AU - Tejessy, W.

AU - Teubert, F.

AU - Tomalin, I. R.

AU - Wachsmuth, H.

AU - Ajaltouni, Z.

AU - Badaud, F.

AU - Chazelle, G.

AU - Deschamps, O.

AU - Falvard, A.

AU - Ferdi, C.

AU - Gay, P.

AU - Guicheney, C.

AU - Henrard, P.

AU - Jousset, J.

AU - Michel, B.

AU - Monteil, S.

PY - 1998/8/27

Y1 - 1998/8/27

N2 - A measurement of the fraction of hadronic Z decays in which a gluon splits into a bb̄ pair, gbb̄, is presented using data collected by ALEPH from 1992 to 1995 at the Z resonance. The selection is based on four-jet events. Events are selected by means of topological cuts and a lifetime tag. The result is gbb̄ = (2.77 + 0.42(stat) + 0.57(syst)) × 10-3. © 1998 Elsevier Science B.V. All rights reserved.

AB - A measurement of the fraction of hadronic Z decays in which a gluon splits into a bb̄ pair, gbb̄, is presented using data collected by ALEPH from 1992 to 1995 at the Z resonance. The selection is based on four-jet events. Events are selected by means of topological cuts and a lifetime tag. The result is gbb̄ = (2.77 + 0.42(stat) + 0.57(syst)) × 10-3. © 1998 Elsevier Science B.V. All rights reserved.

U2 - 10.1016/S0370-2693(98)00850-8

DO - 10.1016/S0370-2693(98)00850-8

M3 - Article

SN - 0370-2693

VL - 434

SP - 437

EP - 450

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3-4

ER -

A measurement of the gluon splitting rate into bb̄ pairs in hadronic Z decays

Abstract

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