Study of J/psi production and cold nuclear matter effects in pPb collisions at root S-NN=5 TeV

LHCb Collaboration; R. Aaij; B. Adeva; M. Adinolfi; C. Adrover; A. Affolder; Z. Ajaltouni; J. Albrecht; F. Alessio; M. Alexander; S. Ali; G. Alkhazov; P. Alvarez Cartelle; A. A. Alves; S. Amato; S. Amerio; Y. Amhis; L. Anderlini; J. Anderson; R. Andreassen; J. E. Andrews; R. B. Appleby; O. Aquines Gutierrez; F. Archilli; A. Artamonov; M. Artuso; E. Aslanides; G. Auriemma; M. Baalouch; S. Bachmann; J. J. Back; A. Badalov; C. Baesso; V. Balagura; W. Baldini; R. J. Barlow; C. Barschel; S. Barsuk; W. Barter; Th. Bauer; A. Bay; J. Beddow; F. Bedeschi; Laurence Carson; P. E. L. Clarke; G. A. Cowan; Daniel Craik; S. Eisenhardt; F. Muheim; M. Needham; S. Playfer

doi:10.1007/JHEP02(2014)072

Study of J/psi production and cold nuclear matter effects in pPb collisions at root S-NN=5 TeV

LHCb Collaboration, R. Aaij^*, B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, Z. Ajaltouni, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov, P. Alvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, L. Anderlini, J. Anderson, R. AndreassenJ. E. Andrews, R. B. Appleby, O. Aquines Gutierrez, F. Archilli, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, M. Baalouch, S. Bachmann, J. J. Back, A. Badalov, C. Baesso, V. Balagura, W. Baldini, R. J. Barlow, C. Barschel, S. Barsuk, W. Barter, Th. Bauer, A. Bay, J. Beddow, F. Bedeschi, Laurence Carson, P. E. L. Clarke, G. A. Cowan, Daniel Craik, S. Eisenhardt, F. Muheim, M. Needham, S. Playfer

^*Corresponding author for this work

School of Physics and Astronomy

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

Abstract

The production of J/psi mesons with rapidity 1.5 <y <4.0 or 5.0 <y <2.5 and transverse momentum PT <14 GeV/e is studied with the LHCb detector in proton-lead collisions at a nucleon-nucleon centre-of-mass energy, root(NN)-N-S = 5 TeV. The J/psi mesons are reconstructed using the dimuon decay mode. The analysis is based on a data sample corresponding to an integrated luminosity of about 1.6 nb-1. For the first time the nuclear modification factor and forward-backward production ratio are determined separately for prompt J/psi mesons and J/psi from b-hadron decays. Clear suppression of prompt J/psi production with respect to proton-proton collisions at large rapidity is observed, while the production of J/psi from b-hadron decays is less suppressed. These results show good agreement with available theoretical predictions. The measurement shows that cold nuclear matter effects are important for interpretations of the related quark-gluon plasma signatures in heavy-ion collisions.

Original language	English
Article number	072
Number of pages	23
Journal	Journal of High Energy Physics
Issue number	2
DOIs	https://doi.org/10.1007/JHEP02(2014)072
Publication status	Published - 18 Feb 2014

Keywords / Materials (for Non-textual outputs)

Relativistic heavy ion physics
Quarkonium
Heavy quark production
Heavy Ions
Particle and resonance production
J-PSI
HADRONIC PRODUCTION
DISTRIBUTIONS
GLUON
SUPPRESSION
DECAY
TOOL

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LHCb Collaboration, Aaij, R., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. A., Alves, A. A., Amato, S., Amerio, S., Amhis, Y., Anderlini, L., Anderson, J., ... Playfer, S. (2014). Study of J/psi production and cold nuclear matter effects in pPb collisions at root S-NN=5 TeV. Journal of High Energy Physics, (2), Article 072. https://doi.org/10.1007/JHEP02(2014)072

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title = "Study of J/psi production and cold nuclear matter effects in pPb collisions at root S-NN=5 TeV",

abstract = "The production of J/psi mesons with rapidity 1.5 ",

keywords = "Relativistic heavy ion physics, Quarkonium, Heavy quark production, Heavy Ions, Particle and resonance production, J-PSI, HADRONIC PRODUCTION, DISTRIBUTIONS, GLUON, SUPPRESSION, DECAY, TOOL",

author = "{LHCb Collaboration} and R. Aaij 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 S. Amerio and Y. Amhis and L. Anderlini and J. Anderson and R. Andreassen and Andrews, {J. E.} and Appleby, {R. B.} and {Aquines Gutierrez}, O. and F. Archilli and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and M. Baalouch and S. Bachmann and Back, {J. J.} and A. Badalov and C. Baesso and V. Balagura and W. Baldini and Barlow, {R. J.} and C. Barschel and S. Barsuk and W. Barter and Th. Bauer and A. Bay and J. Beddow and F. Bedeschi and Laurence Carson and Clarke, {P. E. L.} and Cowan, {G. A.} and Daniel Craik and S. Eisenhardt and F. Muheim and M. Needham and S. Playfer",

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month = feb,

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doi = "10.1007/JHEP02(2014)072",

language = "English",

journal = "Journal of High Energy Physics",

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LHCb Collaboration, Aaij, R, Adeva, B, Adinolfi, M, Adrover, C, Affolder, A, Ajaltouni, Z, Albrecht, J, Alessio, F, Alexander, M, Ali, S, Alkhazov, G, Cartelle, PA, Alves, AA, Amato, S, Amerio, S, Amhis, Y, Anderlini, L, Anderson, J, Andreassen, R, Andrews, JE, Appleby, RB, Aquines Gutierrez, O, Archilli, F, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Baalouch, M, Bachmann, S, Back, JJ, Badalov, A, Baesso, C, Balagura, V, Baldini, W, Barlow, RJ, Barschel, C, Barsuk, S, Barter, W, Bauer, T, Bay, A, Beddow, J, Bedeschi, F, Carson, L, Clarke, PEL, Cowan, GA, Craik, D, Eisenhardt, S , Muheim, F , Needham, M & Playfer, S 2014, 'Study of J/psi production and cold nuclear matter effects in pPb collisions at root S-NN=5 TeV', Journal of High Energy Physics, no. 2, 072. https://doi.org/10.1007/JHEP02(2014)072

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AU - LHCb Collaboration

AU - Aaij, R.

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 - Amerio, S.

AU - Amhis, Y.

AU - Anderlini, L.

AU - Anderson, J.

AU - Andreassen, R.

AU - Andrews, J. E.

AU - Appleby, R. B.

AU - Aquines Gutierrez, O.

AU - Archilli, F.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Auriemma, G.

AU - Baalouch, M.

AU - Bachmann, S.

AU - Back, J. J.

AU - Badalov, A.

AU - Baesso, C.

AU - Balagura, V.

AU - Baldini, W.

AU - Barlow, R. J.

AU - Barschel, C.

AU - Barsuk, S.

AU - Barter, W.

AU - Bauer, Th.

AU - Bay, A.

AU - Beddow, J.

AU - Bedeschi, F.

AU - Carson, Laurence

AU - Clarke, P. E. L.

AU - Cowan, G. A.

AU - Craik, Daniel

AU - Eisenhardt, S.

AU - Muheim, F.

AU - Needham, M.

AU - Playfer, S.

PY - 2014/2/18

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N2 - The production of J/psi mesons with rapidity 1.5

AB - The production of J/psi mesons with rapidity 1.5

KW - Relativistic heavy ion physics

KW - Quarkonium

KW - Heavy quark production

KW - Heavy Ions

KW - Particle and resonance production

KW - J-PSI

KW - HADRONIC PRODUCTION

KW - DISTRIBUTIONS

KW - GLUON

KW - SUPPRESSION

KW - DECAY

KW - TOOL

U2 - 10.1007/JHEP02(2014)072

DO - 10.1007/JHEP02(2014)072

M3 - Article

SN - 1029-8479

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 2

M1 - 072

ER -

Study of J/psi production and cold nuclear matter effects in pPb collisions at root S-NN=5 TeV

Abstract

Keywords / Materials (for Non-textual outputs)

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