Measurement of J/ψ production in pp collisions at √s = 2.76 TeV

The LHCb collaboration

doi:10.1007/JHEP02(2013)041

Measurement of J/ψ production in pp collisions at √s = 2.76 TeV

The LHCb collaboration

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Résumé

The production of J/ψ mesons is studied with the LHCb detector using data from pp collisions at √s = 2:76TeV corresponding to an integrated luminosity of 71 nb⁻¹. The differential cross-section for inclusive J/ψ production is measured as a function of its transverse momentum p_T. The cross-section in the fiducial region 0 < p_T< 12 GeV=c and rapidity 2.0 < y < 4.5 is measured to be 5.6 ± 0:1 (stat) ± 0.4 (syst) μb, with the assumption of unpolarised J/ψ production. The fraction of J/ψ production from b-hadron decays is measured to be (7.1 ± 0.6 (stat) ± 0.7 (syst))%.

langue originale	Anglais
Numéro d'article	41
journal	Journal of High Energy Physics
Volume	2013
Numéro de publication	2
Les DOIs	https://doi.org/10.1007/JHEP02(2013)041
état	Publié - 7 févr. 2013
Modification externe	Oui

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10.1007/JHEP02(2013)041

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@article{b88994692a6a4d36aa585209e5c08a80,

title = "Measurement of J/ψ production in pp collisions at √s = 2.76 TeV",

abstract = "The production of J/ψ mesons is studied with the LHCb detector using data from pp collisions at √s = 2:76TeV corresponding to an integrated luminosity of 71 nb−1. The differential cross-section for inclusive J/ψ production is measured as a function of its transverse momentum pT. The cross-section in the fiducial region 0 < pT< 12 GeV=c and rapidity 2.0 < y < 4.5 is measured to be 5.6 ± 0:1 (stat) ± 0.4 (syst) μb, with the assumption of unpolarised J/ψ production. The fraction of J/ψ production from b-hadron decays is measured to be (7.1 ± 0.6 (stat) ± 0.7 (syst))\%.",

keywords = "Flavor physics, Hadron-Hadron Scattering, Quarkonium",

author = "\{The LHCb collaboration\} and R. Aaij and Beteta, \{C. Abellan\} and A. Adametz and B. Adeva and M. Adinolfi and C. Adrover and A. Affolder and Z. Ajaltouni and J. Albrecht and F. Alessio and M. Alexander and S. Ali and G. Alkhazov and Cartelle, \{P. Alvarez\} and Alves, \{A. A.\} and S. Amato and Y. Amhis and L. Anderlini and J. Anderson and R. Andreassen and Appleby, \{R. B.\} and Gutierrez, \{O. Aquines\} and F. Archilli and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and S. Bachmann and Back, \{J. J.\} and C. Baesso and V. Balagura and W. Baldini and Barlow, \{R. J.\} and C. Barschel and S. Barsuk and W. Barter and A. Bates and Th Bauer and A. Bay and J. Beddow and I. Bediaga and S. Belogurov and K. Belous and I. Belyaev and E. Ben-Haim and M. Benayoun and G. Bencivenni and S. Benson and J. Benton and E. Maurice",

note = "Publisher Copyright: {\textcopyright} 2013, CERN, for the benefit of the LHCb collaboration.",

year = "2013",

month = feb,

day = "7",

doi = "10.1007/JHEP02(2013)041",

language = "English",

volume = "2013",

journal = "Journal of High Energy Physics",

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T1 - Measurement of J/ψ production in pp collisions at √s = 2.76 TeV

AU - The LHCb collaboration

AU - Aaij, R.

AU - Beteta, C. Abellan

AU - Adametz, A.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Adrover, C.

AU - Affolder, A.

AU - Ajaltouni, Z.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Ali, S.

AU - Alkhazov, G.

AU - Cartelle, P. Alvarez

AU - Alves, A. A.

AU - Amato, S.

AU - Amhis, Y.

AU - Anderlini, L.

AU - Anderson, J.

AU - Andreassen, R.

AU - Appleby, R. B.

AU - Gutierrez, O. Aquines

AU - Archilli, F.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Auriemma, G.

AU - Bachmann, S.

AU - Back, J. J.

AU - Baesso, C.

AU - Balagura, V.

AU - Baldini, W.

AU - Barlow, R. J.

AU - Barschel, C.

AU - Barsuk, S.

AU - Barter, W.

AU - Bates, A.

AU - Bauer, Th

AU - Bay, A.

AU - Beddow, J.

AU - Bediaga, I.

AU - Belogurov, S.

AU - Belous, K.

AU - Belyaev, I.

AU - Ben-Haim, E.

AU - Benayoun, M.

AU - Bencivenni, G.

AU - Benson, S.

AU - Benton, J.

AU - Maurice, E.

PY - 2013/2/7

Y1 - 2013/2/7

N2 - The production of J/ψ mesons is studied with the LHCb detector using data from pp collisions at √s = 2:76TeV corresponding to an integrated luminosity of 71 nb−1. The differential cross-section for inclusive J/ψ production is measured as a function of its transverse momentum pT. The cross-section in the fiducial region 0 < pT< 12 GeV=c and rapidity 2.0 < y < 4.5 is measured to be 5.6 ± 0:1 (stat) ± 0.4 (syst) μb, with the assumption of unpolarised J/ψ production. The fraction of J/ψ production from b-hadron decays is measured to be (7.1 ± 0.6 (stat) ± 0.7 (syst))%.

AB - The production of J/ψ mesons is studied with the LHCb detector using data from pp collisions at √s = 2:76TeV corresponding to an integrated luminosity of 71 nb−1. The differential cross-section for inclusive J/ψ production is measured as a function of its transverse momentum pT. The cross-section in the fiducial region 0 < pT< 12 GeV=c and rapidity 2.0 < y < 4.5 is measured to be 5.6 ± 0:1 (stat) ± 0.4 (syst) μb, with the assumption of unpolarised J/ψ production. The fraction of J/ψ production from b-hadron decays is measured to be (7.1 ± 0.6 (stat) ± 0.7 (syst))%.

KW - Flavor physics

KW - Hadron-Hadron Scattering

KW - Quarkonium

UR - https://www.scopus.com/pages/publications/84887403880

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DO - 10.1007/JHEP02(2013)041

M3 - Article

AN - SCOPUS:84887403880

SN - 1126-6708

VL - 2013

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 2

M1 - 41

ER -

Measurement of J/ψ production in pp collisions at √s = 2.76 TeV

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