A measurement of AFBb in lifetime tagged heavy flavour Z decays

D. Buskulic; D. Casper; I. De Bonis; D. Decamp; P. Ghez; C. Goy; J. P. Lees; M. N. Minard; P. Odier; B. Pietrzyk; F. Ariztizabal; M. Chmeissani; J. M. Crespo; I. Efthymiopoulos; E. Fernandez; M. Fernandez-Bosman; V. Gaitan; Ll Garrido; M. Martinez; T. Mattison; S. Orteu; A. Pacheco; C. Padilla; F. Palla; A. Pascual; J. A. Perlas; F. Teubert; D. Creanza; M. de Palma; A. Farilla; G. Iaselli; G. Maggi; N. Marinelli; S. Natali; S. Nuzzo; A. Ranieri; G. Raso; F. Romano; F. Ruggieri; G. Selvaggi; L. Silvestris; P. Tempesta; G. Zito; Y. Chai; D. Huang; X. Huang; X. Huang; J. Lin; T. Wang; Y. Xie; D. Xu; R. Xu; J. Zhang; L. Zhang; W. Zhao; G. Bonvicini; J. Boudreau; P. Comas; P. Coyle; H. Drevermann; A. Engelhardt; R. W. Forty; G. Ganis; C. Gay; M. Girone; R. Hagelberg; J. Harvey; R. Jacobsen; B. Jost; J. Knobloch; I. Lehraus; M. Maggi; C. Markou; P. Mato; H. Meinhard; A. Minten; R. Miquel; P. Palazzi; J. R. Pater; P. Perrodo; J. F. Pusztaszeri; F. Ranjard; L. Rolandi; J. Rothberg; M. Saich; D. Schlatter; M. Schmelling; W. Tejessy; I. R. Tomalin; R. Veenhof; A. Venturi; H. Wachsmuth; S. Wasserbaech; W. Wiedenmann; T. Wildish; W. Witzeling; J. Wotschack; Z. Ajaltouni; M. Bardadin-Otwinowska; A. Barres

doi:10.1016/0370-2693(94)91564-4

A measurement of A_FB^b in lifetime tagged heavy flavour Z decays

D. Buskulic, D. Casper, I. De Bonis, D. Decamp, P. Ghez, C. Goy, J. P. Lees, M. N. Minard, P. Odier, B. Pietrzyk, F. Ariztizabal, M. Chmeissani, J. M. Crespo, I. Efthymiopoulos, E. Fernandez, M. Fernandez-Bosman, V. Gaitan, Ll Garrido, M. Martinez, T. MattisonS. Orteu, A. Pacheco, C. Padilla, F. Palla, A. Pascual, J. A. Perlas, F. Teubert, D. Creanza, M. de Palma, A. Farilla, G. Iaselli, G. Maggi, N. Marinelli, S. Natali, S. Nuzzo, A. Ranieri, G. Raso, F. Romano, F. Ruggieri, G. Selvaggi, L. Silvestris, P. Tempesta, G. Zito, Y. Chai, D. Huang, X. Huang, X. Huang, J. Lin, T. Wang, Y. Xie, D. Xu, R. Xu, J. Zhang, L. Zhang, W. Zhao, G. Bonvicini, J. Boudreau, P. Comas, P. Coyle, H. Drevermann, A. Engelhardt, R. W. Forty, G. Ganis, C. Gay, M. Girone, R. Hagelberg, J. Harvey, R. Jacobsen, B. Jost, J. Knobloch, I. Lehraus, M. Maggi, C. Markou, P. Mato, H. Meinhard, A. Minten, R. Miquel, P. Palazzi, J. R. Pater, P. Perrodo, J. F. Pusztaszeri, F. Ranjard, L. Rolandi, J. Rothberg, M. Saich, D. Schlatter, M. Schmelling, W. Tejessy, I. R. Tomalin, R. Veenhof, A. Venturi, H. Wachsmuth, S. Wasserbaech, W. Wiedenmann, T. Wildish, W. Witzeling, J. Wotschack, Z. Ajaltouni, M. Bardadin-Otwinowska, A. Barres

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Abstract

A new measurement of the forward-backward asymmetry in Z→ bb decays is presented. Hadrons from b decays are tagged using their long lifetimes. The b quark charge and direction are reconstructed with a hemisphere charge algorithm. The asymmetry and reconstructed b hemisphere charge are measured in the 69 pb-1 of data collected by ALEPH during 1991, 1992 and 1993. They are used to extract sin2θWeff, which is determined to be 0.2315 ± 0.0016 (stat.) ± 0.0009 (syst.), corresponding to an AFBb of 0.0992 ± 0.0084 (stat.) ± 0.0046 (syst.). © 1994.

Original language	English
Pages (from-to)	99-108
Journal	Physics Letters B
Volume	335
Issue number	1
DOIs	https://doi.org/10.1016/0370-2693(94)91564-4
Publication status	Published - 25 Aug 1994

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10.1016/0370-2693(94)91564-4

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Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J. P., Minard, M. N., Odier, P., Pietrzyk, B., Ariztizabal, F., Chmeissani, M., Crespo, J. M., Efthymiopoulos, I., Fernandez, E., Fernandez-Bosman, M., Gaitan, V., Garrido, L., Martinez, M., ... Barres, A. (1994). A measurement of A_FB^b in lifetime tagged heavy flavour Z decays. Physics Letters B, 335(1), 99-108. https://doi.org/10.1016/0370-2693(94)91564-4

@article{053c4725d6e849aeba7ed3479f818891,

title = "A measurement of AFBb in lifetime tagged heavy flavour Z decays",

abstract = "A new measurement of the forward-backward asymmetry in Z→ bb decays is presented. Hadrons from b decays are tagged using their long lifetimes. The b quark charge and direction are reconstructed with a hemisphere charge algorithm. The asymmetry and reconstructed b hemisphere charge are measured in the 69 pb-1 of data collected by ALEPH during 1991, 1992 and 1993. They are used to extract sin2θWeff, which is determined to be 0.2315 ± 0.0016 (stat.) ± 0.0009 (syst.), corresponding to an AFBb of 0.0992 ± 0.0084 (stat.) ± 0.0046 (syst.). {\textcopyright} 1994.",

author = "D. Buskulic and D. Casper and {De Bonis}, I. and D. Decamp and P. Ghez and C. Goy and Lees, {J. P.} and Minard, {M. N.} and P. Odier and B. Pietrzyk and F. Ariztizabal and M. Chmeissani and Crespo, {J. M.} and I. Efthymiopoulos and E. Fernandez and M. Fernandez-Bosman and V. Gaitan and Ll Garrido and M. Martinez and T. Mattison and S. Orteu and A. Pacheco and C. Padilla and F. Palla and A. Pascual and Perlas, {J. A.} and F. Teubert and D. Creanza and {de Palma}, M. and A. Farilla and G. Iaselli and G. Maggi and N. Marinelli and S. Natali and S. Nuzzo and A. Ranieri and G. Raso and F. Romano and F. Ruggieri and G. Selvaggi and L. Silvestris and P. Tempesta and G. Zito and Y. Chai and D. Huang and X. Huang and X. Huang and J. Lin and T. Wang and Y. Xie and D. Xu and R. Xu and J. Zhang and L. Zhang and W. Zhao and G. Bonvicini and J. Boudreau and P. Comas and P. Coyle and H. Drevermann and A. Engelhardt and Forty, {R. W.} and G. Ganis and C. Gay and M. Girone and R. Hagelberg and J. Harvey and R. Jacobsen and B. Jost and J. Knobloch and I. Lehraus and M. Maggi and C. Markou and P. Mato and H. Meinhard and A. Minten and R. Miquel and P. Palazzi and Pater, {J. R.} and P. Perrodo and Pusztaszeri, {J. F.} and F. Ranjard and L. Rolandi and J. Rothberg and M. Saich and D. Schlatter and M. Schmelling and W. Tejessy and Tomalin, {I. R.} and R. Veenhof and A. Venturi and H. Wachsmuth and S. Wasserbaech and W. Wiedenmann and T. Wildish and W. Witzeling and J. Wotschack and Z. Ajaltouni and M. Bardadin-Otwinowska and A. Barres",

year = "1994",

month = aug,

day = "25",

doi = "10.1016/0370-2693(94)91564-4",

language = "English",

volume = "335",

pages = "99--108",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier",

number = "1",

}

Buskulic, D, Casper, D, De Bonis, I, Decamp, D, Ghez, P, Goy, C, Lees, JP, Minard, MN, Odier, P, Pietrzyk, B, Ariztizabal, F, Chmeissani, M, Crespo, JM, Efthymiopoulos, I, Fernandez, E, Fernandez-Bosman, M, Gaitan, V, Garrido, L, Martinez, M, Mattison, T, Orteu, S, Pacheco, A, Padilla, C, Palla, F, Pascual, A, Perlas, JA, Teubert, F, Creanza, D, de Palma, M, Farilla, A, Iaselli, G, Maggi, G, Marinelli, N, Natali, S, Nuzzo, S, Ranieri, A, Raso, G, Romano, F, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Zito, G, Chai, Y, Huang, D, Huang, X, Huang, X, Lin, J, Wang, T, Xie, Y, Xu, D, Xu, R, Zhang, J, Zhang, L, Zhao, W, Bonvicini, G, Boudreau, J, Comas, P, Coyle, P, Drevermann, H, Engelhardt, A, Forty, RW, Ganis, G, Gay, C, Girone, M, Hagelberg, R, Harvey, J, Jacobsen, R, Jost, B, Knobloch, J, Lehraus, I, Maggi, M, Markou, C, Mato, P, Meinhard, H, Minten, A, Miquel, R, Palazzi, P, Pater, JR, Perrodo, P, Pusztaszeri, JF, Ranjard, F, Rolandi, L, Rothberg, J, Saich, M, Schlatter, D, Schmelling, M, Tejessy, W, Tomalin, IR, Veenhof, R, Venturi, A, Wachsmuth, H, Wasserbaech, S, Wiedenmann, W, Wildish, T, Witzeling, W, Wotschack, J, Ajaltouni, Z, Bardadin-Otwinowska, M & Barres, A 1994, 'A measurement of A_FB^b in lifetime tagged heavy flavour Z decays', Physics Letters B, vol. 335, no. 1, pp. 99-108. https://doi.org/10.1016/0370-2693(94)91564-4

TY - JOUR

T1 - A measurement of AFBb in lifetime tagged heavy flavour Z decays

AU - Buskulic, D.

AU - Casper, D.

AU - De Bonis, I.

AU - Decamp, D.

AU - Ghez, P.

AU - Goy, C.

AU - Lees, J. P.

AU - Minard, M. N.

AU - Odier, P.

AU - Pietrzyk, B.

AU - Ariztizabal, F.

AU - Chmeissani, M.

AU - Crespo, J. M.

AU - Efthymiopoulos, I.

AU - Fernandez, E.

AU - Fernandez-Bosman, M.

AU - Gaitan, V.

AU - Garrido, Ll

AU - Martinez, M.

AU - Mattison, T.

AU - Orteu, S.

AU - Pacheco, A.

AU - Padilla, C.

AU - Palla, F.

AU - Pascual, A.

AU - Perlas, J. A.

AU - Teubert, F.

AU - Creanza, D.

AU - de Palma, M.

AU - Farilla, A.

AU - Iaselli, G.

AU - Maggi, G.

AU - Marinelli, N.

AU - Natali, S.

AU - Nuzzo, S.

AU - Ranieri, A.

AU - Raso, G.

AU - Romano, F.

AU - Ruggieri, F.

AU - Selvaggi, G.

AU - Silvestris, L.

AU - Tempesta, P.

AU - Zito, G.

AU - Chai, Y.

AU - Huang, D.

AU - Huang, X.

AU - Lin, J.

AU - Wang, T.

AU - Xie, Y.

AU - Xu, D.

AU - Xu, R.

AU - Zhang, J.

AU - Zhang, L.

AU - Zhao, W.

AU - Bonvicini, G.

AU - Boudreau, J.

AU - Comas, P.

AU - Coyle, P.

AU - Drevermann, H.

AU - Engelhardt, A.

AU - Forty, R. W.

AU - Ganis, G.

AU - Gay, C.

AU - Girone, M.

AU - Hagelberg, R.

AU - Harvey, J.

AU - Jacobsen, R.

AU - Jost, B.

AU - Knobloch, J.

AU - Lehraus, I.

AU - Maggi, M.

AU - Markou, C.

AU - Mato, P.

AU - Meinhard, H.

AU - Minten, A.

AU - Miquel, R.

AU - Palazzi, P.

AU - Pater, J. R.

AU - Perrodo, P.

AU - Pusztaszeri, J. F.

AU - Ranjard, F.

AU - Rolandi, L.

AU - Rothberg, J.

AU - Saich, M.

AU - Schlatter, D.

AU - Schmelling, M.

AU - Tejessy, W.

AU - Tomalin, I. R.

AU - Veenhof, R.

AU - Venturi, A.

AU - Wachsmuth, H.

AU - Wasserbaech, S.

AU - Wiedenmann, W.

AU - Wildish, T.

AU - Witzeling, W.

AU - Wotschack, J.

AU - Ajaltouni, Z.

AU - Bardadin-Otwinowska, M.

AU - Barres, A.

PY - 1994/8/25

Y1 - 1994/8/25

N2 - A new measurement of the forward-backward asymmetry in Z→ bb decays is presented. Hadrons from b decays are tagged using their long lifetimes. The b quark charge and direction are reconstructed with a hemisphere charge algorithm. The asymmetry and reconstructed b hemisphere charge are measured in the 69 pb-1 of data collected by ALEPH during 1991, 1992 and 1993. They are used to extract sin2θWeff, which is determined to be 0.2315 ± 0.0016 (stat.) ± 0.0009 (syst.), corresponding to an AFBb of 0.0992 ± 0.0084 (stat.) ± 0.0046 (syst.). © 1994.

AB - A new measurement of the forward-backward asymmetry in Z→ bb decays is presented. Hadrons from b decays are tagged using their long lifetimes. The b quark charge and direction are reconstructed with a hemisphere charge algorithm. The asymmetry and reconstructed b hemisphere charge are measured in the 69 pb-1 of data collected by ALEPH during 1991, 1992 and 1993. They are used to extract sin2θWeff, which is determined to be 0.2315 ± 0.0016 (stat.) ± 0.0009 (syst.), corresponding to an AFBb of 0.0992 ± 0.0084 (stat.) ± 0.0046 (syst.). © 1994.

U2 - 10.1016/0370-2693(94)91564-4

DO - 10.1016/0370-2693(94)91564-4

M3 - Article

SN - 0370-2693

VL - 335

SP - 99

EP - 108

JO - Physics Letters B

JF - Physics Letters B

IS - 1

ER -

A measurement of AFBb in lifetime tagged heavy flavour Z decays

Abstract

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A measurement of A_FB^b in lifetime tagged heavy flavour Z decays