Journal
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
Volume 40, Issue 4, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/0954-3899/40/4/045001
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Funding
- 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)
- ANCS/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 (USA)
- ERC
- IN2P3 (France)
- KIT (Germany)
- SURF (The Netherlands)
- PIC (Spain)
- GridPP (United Kingdom)
- Science and Technology Facilities Council [PP/E000347/1, ST/K001361/1 LHCb Upgrades, ST/L003112/1, ST/L00352X/1, ST/H001093/1, ST/K001361/1, ST/K001604/1 CMS Upgrade, ST/K001256/1, ST/M000761/1, ST/K001604/1 SuperNEMO, ST/K001361/1 ATLAS, ST/K001604/1 LHCb, ST/L001195/1, LHCb Upgrades, 1096173, ST/M001474/1, ST/I505572/1, ST/G005974/1, ST/H001085/1, ST/H001026/2, ST/K001310/1 ATLAS, ST/K001361/1 MINOS/MINOS+, ST/H001069/2, ST/H001026/1, ST/M001431/1, ST/K003593/1 GRIDPP, ST/K00137X/1, ST/K001604/1 T2K, ST/H001093/2, ST/K001418/1, ST/F008015/1, ST/K001604/1, ST/F007094/1, ST/H001085/2, ST/K00140X/1, ST/K001310/1 LHCb, ST/K000705/1, ST/H006737/1, ST/K001310/1 LHCb Upgrades, ST/K001604/1 DMUK, ST/J005568/1, ST/K003410/1, ST/K001604/1 LHCb Upgrades, ST/K001604/1 GRIDPP, ST/H00100X/2, ST/L001144/1, ST/K001604/1 MICE/UKNF, ST/K001310/1, ST/J004332/1, ST/K000748/1, GRIDPP, ST/K00073X/1, ST/L003392/1, ST/K001310/1 ATLAS Upgrades, ST/K00140X/1 LHCb, ST/K001361/1 ATLAS Upgrades, 1208164, LHCb, ST/K004646/1, PP/E000355/1, ST/H00100X/1, ST/K001361/1 LHCb] Funding Source: researchfish
- STFC [ST/H00100X/2, ST/L003392/1, PP/E000355/1, ST/F008015/1, ST/H001085/1, ST/L001195/1, ST/H001093/1, ST/H001026/1, ST/H00100X/1, ST/H006737/1, ST/H001085/2, ST/K000705/1, ST/K00140X/1, ST/L00352X/1, ST/J005568/1, ST/M000761/1, ST/H001069/2, ST/F007094/1, ST/K001361/1, ST/L003112/1, LHCb Upgrades, ST/I505572/1, LHCb, ST/J004332/1, ST/K000748/1, ST/M001431/1, ST/H001093/2, ST/K003410/1, ST/K004646/1, ST/K00073X/1, ST/K00137X/1, ST/H001026/2, ST/G005974/1, ST/K001604/1, PP/E000347/1, ST/L001144/1] Funding Source: UKRI
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Exclusive J/psi and psi(2S) vector meson production has been observed in the dimuon channel using the LHCb detector. The cross-section times branching fractions to two muons with pseudorapidities between 2.0 and 4.5 are measured to be sigma(pp -> J/psi(->mu+mu-))(2.0 < eta(mu +/-) < 4.5) = 307 +/- 21 +/- 36 pb, sigma(pp ->psi(2S)(->mu+mu-))(2.0 < eta(mu +/-) < 4.5) = 7.8 +/- 1.3 +/- 1.0 pb, where the first uncertainties are statistical and the second are systematic. The measurements are found to be in good agreement with results from previous experiments and theoretical predictions. The J/psi photoproduction cross-section has been measured as a function of the photon-proton centre-of-mass energy. The results are consistent with measurements obtained at HERA and confirm a similar power law behaviour for the photoproduction cross-section.
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