Improved study of the structure of e+e- → bb̄g events and limits on the anomalous chromomagnetic coupling of the b quark

Koya Abe; Kenji Abe; T. Abe; I. Adam; H. Akimoto; D. Aston; K. G. Baird; C. Baltay; H. R. Band; T. L. Barklow; J. M. Bauer; G. Bellodi; R. Berger; G. Blaylock; J. R. Bogart; G. R. Bower; J. E. Brau; M. Breidenbach; W. M. Bugg; D. Burke; T. H. Burnett; P. N. Burrows; A. Calcaterra; R. Cassell; A. Chou; H. O. Cohn; J. A. Coller; M. R. Convery; V. Cook; R. F. Cowan; G. Crawford; C. J.S. Damerell; M. Daoudi; N. De Groot; R. De Sangro; D. N. Dong; M. Doser; R. Dubois; I. Erofeeva; V. Eschenburg; E. Etzion; S. Fahey; D. Falciai; J. P. Fernandez; K. Flood; R. Frey; E. L. Hart; K. Hasuko; S. S. Hertzbach; M. E. Huffer; X. Huynh; M. Iwasaki; D. J. Jackson; P. Jacques; J. A. Jaros; Z. Y. Jiang; A. S. Johnson; J. R. Johnson; R. Kajikawa; M. Kalelkar; H. J. Kang; R. R. Kofler; R. S. Kroeger; M. Langston; D. W.G. Leith; V. Lia; C. Lin; G. Mancinelli; S. Manly; G. Mantovani; T. W. Markiewicz; T. Maruyama; A. K. McKemey; R. Messner; K. C. Moffeit; T. B. Moore; M. Morii; D. Muller; V. Murzin; S. Narita; U. Nauenberg; H. Neal; G. Nesom; N. Oishi; D. Onoprienko; L. S. Osborne; R. S. Panvini; C. H. Park; I. Peruzzi; M. Piccolo; L. Piemontese; R. J. Piano; R. Prepost; C. Y. Prescott; B. N. Ratcliff; J. Reidy; P. L. Reinertsen; L. S. Rochester; P. C. Rowson

doi:10.1103/PhysRevD.66.052001

Improved study of the structure of e⁺e^- → bb̄g events and limits on the anomalous chromomagnetic coupling of the b quark

Koya Abe^*, Kenji Abe^*, T. Abe, I. Adam, H. Akimoto, D. Aston, K. G. Baird, C. Baltay, H. R. Band, T. L. Barklow, J. M. Bauer, G. Bellodi, R. Berger, G. Blaylock, J. R. Bogart, G. R. Bower, J. E. Brau, M. Breidenbach, W. M. Bugg, D. BurkeT. H. Burnett, P. N. Burrows, A. Calcaterra, R. Cassell, A. Chou, H. O. Cohn, J. A. Coller, M. R. Convery, V. Cook, R. F. Cowan, G. Crawford, C. J.S. Damerell, M. Daoudi, N. De Groot, R. De Sangro, D. N. Dong, M. Doser, R. Dubois, I. Erofeeva, V. Eschenburg, E. Etzion, S. Fahey, D. Falciai, J. P. Fernandez, K. Flood, R. Frey, E. L. Hart, K. Hasuko, S. S. Hertzbach, M. E. Huffer, X. Huynh, M. Iwasaki, D. J. Jackson, P. Jacques, J. A. Jaros, Z. Y. Jiang, A. S. Johnson, J. R. Johnson, R. Kajikawa, M. Kalelkar, H. J. Kang, R. R. Kofler, R. S. Kroeger, M. Langston, D. W.G. Leith, V. Lia, C. Lin, G. Mancinelli, S. Manly, G. Mantovani, T. W. Markiewicz, T. Maruyama, A. K. McKemey, R. Messner, K. C. Moffeit, T. B. Moore, M. Morii, D. Muller, V. Murzin, S. Narita, U. Nauenberg, H. Neal, G. Nesom, N. Oishi, D. Onoprienko, L. S. Osborne, R. S. Panvini, C. H. Park, I. Peruzzi, M. Piccolo, L. Piemontese, R. J. Piano, R. Prepost, C. Y. Prescott, B. N. Ratcliff, J. Reidy, P. L. Reinertsen, L. S. Rochester, P. C. Rowson

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

The structure of 3-jet e⁺ e^- → bb̄g events has been studied using hadronic Z⁰ decays recorded in the SLC Large Detector experiment at SLAC. Three-jet final states were selected and the charge-coupled-device-based vertex detector was used to identify two of the jets as b or b̄; the remaining jet in each event was tagged as the gluon jet. Distributions of the gluon energy and polar angle with respect to the electron beam were measured over the full kinematic range, and used to test the predictions of perturbative QCD. We find that beyond-leading-order QCD calculations are needed to reproduce the features seen in the data. The energy distribution is sensitive to an anomalous b chromomagnetic moment K at the bb̄g vertex. We measured κ to be consistent with zero and set 95% confidence level limits on its value, -0.06<κ<0.04.

Original language	English
Article number	052001
Journal	Physical Review D
Volume	66
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.66.052001
State	Published - 2002
Externally published	Yes

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10.1103/PhysRevD.66.052001

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Abe, K., Abe, K., Abe, T., Adam, I., Akimoto, H., Aston, D., Baird, K. G., Baltay, C., Band, H. R., Barklow, T. L., Bauer, J. M., Bellodi, G., Berger, R., Blaylock, G., Bogart, J. R., Bower, G. R., Brau, J. E., Breidenbach, M., Bugg, W. M., ... Rowson, P. C. (2002). Improved study of the structure of e⁺e^- → bb̄g events and limits on the anomalous chromomagnetic coupling of the b quark. Physical Review D, 66(5), Article 052001. https://doi.org/10.1103/PhysRevD.66.052001

@article{f4110854cae94fe89deb8aa219bb02a2,

title = "Improved study of the structure of e+e- → b{\=b}g events and limits on the anomalous chromomagnetic coupling of the b quark",

abstract = "The structure of 3-jet e+ e- → b{\=b}g events has been studied using hadronic Z0 decays recorded in the SLC Large Detector experiment at SLAC. Three-jet final states were selected and the charge-coupled-device-based vertex detector was used to identify two of the jets as b or {\=b}; the remaining jet in each event was tagged as the gluon jet. Distributions of the gluon energy and polar angle with respect to the electron beam were measured over the full kinematic range, and used to test the predictions of perturbative QCD. We find that beyond-leading-order QCD calculations are needed to reproduce the features seen in the data. The energy distribution is sensitive to an anomalous b chromomagnetic moment K at the b{\=b}g vertex. We measured κ to be consistent with zero and set 95% confidence level limits on its value, -0.06<κ<0.04.",

author = "Koya Abe and Kenji Abe and T. Abe and I. Adam and H. Akimoto and D. Aston and Baird, {K. G.} and C. Baltay and Band, {H. R.} and Barklow, {T. L.} and Bauer, {J. M.} and G. Bellodi and R. Berger and G. Blaylock and Bogart, {J. R.} and Bower, {G. R.} and Brau, {J. E.} and M. Breidenbach and Bugg, {W. M.} and D. Burke and Burnett, {T. H.} and Burrows, {P. N.} and A. Calcaterra and R. Cassell and A. Chou and Cohn, {H. O.} and Coller, {J. A.} and Convery, {M. R.} and V. Cook and Cowan, {R. F.} and G. Crawford and Damerell, {C. J.S.} and M. Daoudi and {De Groot}, N. and {De Sangro}, R. and Dong, {D. N.} and M. Doser and R. Dubois and I. Erofeeva and V. Eschenburg and E. Etzion and S. Fahey and D. Falciai and Fernandez, {J. P.} and K. Flood and R. Frey and Hart, {E. L.} and K. Hasuko and Hertzbach, {S. S.} and Huffer, {M. E.} and X. Huynh and M. Iwasaki and Jackson, {D. J.} and P. Jacques and Jaros, {J. A.} and Jiang, {Z. Y.} and Johnson, {A. S.} and Johnson, {J. R.} and R. Kajikawa and M. Kalelkar and Kang, {H. J.} and Kofler, {R. R.} and Kroeger, {R. S.} and M. Langston and Leith, {D. W.G.} and V. Lia and C. Lin and G. Mancinelli and S. Manly and G. Mantovani and Markiewicz, {T. W.} and T. Maruyama and McKemey, {A. K.} and R. Messner and Moffeit, {K. C.} and Moore, {T. B.} and M. Morii and D. Muller and V. Murzin and S. Narita and U. Nauenberg and H. Neal and G. Nesom and N. Oishi and D. Onoprienko and Osborne, {L. S.} and Panvini, {R. S.} and Park, {C. H.} and I. Peruzzi and M. Piccolo and L. Piemontese and Piano, {R. J.} and R. Prepost and Prescott, {C. Y.} and Ratcliff, {B. N.} and J. Reidy and Reinertsen, {P. L.} and Rochester, {L. S.} and Rowson, {P. C.}",

year = "2002",

doi = "10.1103/PhysRevD.66.052001",

language = "אנגלית",

volume = "66",

journal = "Physical Review D",

issn = "0556-2821",

publisher = "American Institute of Physics",

number = "5",

}

Abe, K, Abe, K, Abe, T, Adam, I, Akimoto, H, Aston, D, Baird, KG, Baltay, C, Band, HR, Barklow, TL, Bauer, JM, Bellodi, G, Berger, R, Blaylock, G, Bogart, JR, Bower, GR, Brau, JE, Breidenbach, M, Bugg, WM, Burke, D, Burnett, TH, Burrows, PN, Calcaterra, A, Cassell, R, Chou, A, Cohn, HO, Coller, JA, Convery, MR, Cook, V, Cowan, RF, Crawford, G, Damerell, CJS, Daoudi, M, De Groot, N, De Sangro, R, Dong, DN, Doser, M, Dubois, R, Erofeeva, I, Eschenburg, V, Etzion, E, Fahey, S, Falciai, D, Fernandez, JP, Flood, K, Frey, R, Hart, EL, Hasuko, K, Hertzbach, SS, Huffer, ME, Huynh, X, Iwasaki, M, Jackson, DJ, Jacques, P, Jaros, JA, Jiang, ZY, Johnson, AS, Johnson, JR, Kajikawa, R, Kalelkar, M, Kang, HJ, Kofler, RR, Kroeger, RS, Langston, M, Leith, DWG, Lia, V, Lin, C, Mancinelli, G, Manly, S, Mantovani, G, Markiewicz, TW, Maruyama, T, McKemey, AK, Messner, R, Moffeit, KC, Moore, TB, Morii, M, Muller, D, Murzin, V, Narita, S, Nauenberg, U, Neal, H, Nesom, G, Oishi, N, Onoprienko, D, Osborne, LS, Panvini, RS, Park, CH, Peruzzi, I, Piccolo, M, Piemontese, L, Piano, RJ, Prepost, R, Prescott, CY, Ratcliff, BN, Reidy, J, Reinertsen, PL, Rochester, LS & Rowson, PC 2002, 'Improved study of the structure of e⁺e^- → bb̄g events and limits on the anomalous chromomagnetic coupling of the b quark', Physical Review D, vol. 66, no. 5, 052001. https://doi.org/10.1103/PhysRevD.66.052001

TY - JOUR

T1 - Improved study of the structure of e+e- → bb̄g events and limits on the anomalous chromomagnetic coupling of the b quark

AU - Abe, Koya

AU - Abe, Kenji

AU - Abe, T.

AU - Adam, I.

AU - Akimoto, H.

AU - Aston, D.

AU - Baird, K. G.

AU - Baltay, C.

AU - Band, H. R.

AU - Barklow, T. L.

AU - Bauer, J. M.

AU - Bellodi, G.

AU - Berger, R.

AU - Blaylock, G.

AU - Bogart, J. R.

AU - Bower, G. R.

AU - Brau, J. E.

AU - Breidenbach, M.

AU - Bugg, W. M.

AU - Burke, D.

AU - Burnett, T. H.

AU - Burrows, P. N.

AU - Calcaterra, A.

AU - Cassell, R.

AU - Chou, A.

AU - Cohn, H. O.

AU - Coller, J. A.

AU - Convery, M. R.

AU - Cook, V.

AU - Cowan, R. F.

AU - Crawford, G.

AU - Damerell, C. J.S.

AU - Daoudi, M.

AU - De Groot, N.

AU - De Sangro, R.

AU - Dong, D. N.

AU - Doser, M.

AU - Dubois, R.

AU - Erofeeva, I.

AU - Eschenburg, V.

AU - Etzion, E.

AU - Fahey, S.

AU - Falciai, D.

AU - Fernandez, J. P.

AU - Flood, K.

AU - Frey, R.

AU - Hart, E. L.

AU - Hasuko, K.

AU - Hertzbach, S. S.

AU - Huffer, M. E.

AU - Huynh, X.

AU - Iwasaki, M.

AU - Jackson, D. J.

AU - Jacques, P.

AU - Jaros, J. A.

AU - Jiang, Z. Y.

AU - Johnson, A. S.

AU - Johnson, J. R.

AU - Kajikawa, R.

AU - Kalelkar, M.

AU - Kang, H. J.

AU - Kofler, R. R.

AU - Kroeger, R. S.

AU - Langston, M.

AU - Leith, D. W.G.

AU - Lia, V.

AU - Lin, C.

AU - Mancinelli, G.

AU - Manly, S.

AU - Mantovani, G.

AU - Markiewicz, T. W.

AU - Maruyama, T.

AU - McKemey, A. K.

AU - Messner, R.

AU - Moffeit, K. C.

AU - Moore, T. B.

AU - Morii, M.

AU - Muller, D.

AU - Murzin, V.

AU - Narita, S.

AU - Nauenberg, U.

AU - Neal, H.

AU - Nesom, G.

AU - Oishi, N.

AU - Onoprienko, D.

AU - Osborne, L. S.

AU - Panvini, R. S.

AU - Park, C. H.

AU - Peruzzi, I.

AU - Piccolo, M.

AU - Piemontese, L.

AU - Piano, R. J.

AU - Prepost, R.

AU - Prescott, C. Y.

AU - Ratcliff, B. N.

AU - Reidy, J.

AU - Reinertsen, P. L.

AU - Rochester, L. S.

AU - Rowson, P. C.

PY - 2002

Y1 - 2002

N2 - The structure of 3-jet e+ e- → bb̄g events has been studied using hadronic Z0 decays recorded in the SLC Large Detector experiment at SLAC. Three-jet final states were selected and the charge-coupled-device-based vertex detector was used to identify two of the jets as b or b̄; the remaining jet in each event was tagged as the gluon jet. Distributions of the gluon energy and polar angle with respect to the electron beam were measured over the full kinematic range, and used to test the predictions of perturbative QCD. We find that beyond-leading-order QCD calculations are needed to reproduce the features seen in the data. The energy distribution is sensitive to an anomalous b chromomagnetic moment K at the bb̄g vertex. We measured κ to be consistent with zero and set 95% confidence level limits on its value, -0.06<κ<0.04.

AB - The structure of 3-jet e+ e- → bb̄g events has been studied using hadronic Z0 decays recorded in the SLC Large Detector experiment at SLAC. Three-jet final states were selected and the charge-coupled-device-based vertex detector was used to identify two of the jets as b or b̄; the remaining jet in each event was tagged as the gluon jet. Distributions of the gluon energy and polar angle with respect to the electron beam were measured over the full kinematic range, and used to test the predictions of perturbative QCD. We find that beyond-leading-order QCD calculations are needed to reproduce the features seen in the data. The energy distribution is sensitive to an anomalous b chromomagnetic moment K at the bb̄g vertex. We measured κ to be consistent with zero and set 95% confidence level limits on its value, -0.06<κ<0.04.

UR - http://www.scopus.com/inward/record.url?scp=18744436871&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.66.052001

DO - 10.1103/PhysRevD.66.052001

M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???

AN - SCOPUS:18744436871

SN - 0556-2821

VL - 66

JO - Physical Review D

JF - Physical Review D

IS - 5

M1 - 052001

ER -

Improved study of the structure of e⁺e^- → bb̄g events and limits on the anomalous chromomagnetic coupling of the b quark

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