期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP02(2014)072
关键词
Relativistic heavy ion physics; Quarkonium; Heavy quark production; Heavy Ions; Particle and resonance production
资金
- CERN
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- Region Auvergne (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- MPG (Germany)
- SFI (Ireland)
- INFN (Italy)
- FOM (The Netherlands)
- NWO (The Netherlands)
- SCSR (Poland)
- MEN/IFA (Romania)
- MinES (Russia)
- Rosatom (Russia)
- RFBR (Russia)
- NRC Kurchatov Institute (Russia)
- MinECo (Spain)
- XuntaGal (Spain)
- GENCAT (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NAS Ukraine (Ukraine)
- STFC (United Kingdom)
- NSF (U.S.A.)
- ERC under FP7
- IN2P3 (France)
- KIT (Germany)
- SURF (The Netherlands)
- PIC (Spain)
- GridPP (United Kingdom)
- Science and Technology Facilities Council [ST/H001085/2, ST/K00140X/1, ST/K001361/1 LHCb, ST/K004646/1, LHCb, 1208164, ST/K001361/1 ATLAS Upgrades, ST/K00140X/1 LHCb, ST/L003392/1, ST/K00073X/1, ST/K000748/1, ST/J004332/1, 1225304, ST/L001144/1, ST/K003410/1, ST/J005568/1, ST/H006737/1, ST/K502236/1, ST/H001093/2, ST/K00137X/1, ST/K003593/1 GRIDPP, ST/M001431/1, ST/H001026/1, ST/H001069/2, ST/K001361/1 MINOS/MINOS+, ST/H001026/2, ST/H001085/1, ST/G005974/1, ST/I505572/1, ST/K001418/1, ST/F007094/1, PP/E000347/1, ST/K001361/1 LHCb Upgrades, ST/L00352X/1, ST/H001093/1, 1225314, ST/K001361/1, 1299204, ST/K001256/1, ST/M000761/1, ST/K001361/1 ATLAS, LHCb Upgrades, 1096173, ST/M001474/1] Funding Source: researchfish
- STFC [ST/K00137X/1, ST/H001026/2, ST/L003392/1, ST/G005974/1, PP/E000347/1, ST/L001144/1, ST/K003410/1, ST/H001093/2, ST/M001431/1, ST/K000748/1, ST/K502236/1, ST/J004332/1, LHCb, ST/M000761/1, ST/I505572/1, LHCb Upgrades, ST/K001361/1, ST/H001093/1, ST/H001085/1, ST/F007094/1, ST/H001069/2, ST/H001026/1, ST/J005568/1, ST/K004646/1, ST/K00073X/1, ST/L00352X/1, ST/K00140X/1, ST/H001085/2, ST/H006737/1] Funding Source: UKRI
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205805] Funding Source: National Science Foundation
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.
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