期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 3, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP03(2016)159
关键词
Charm physics; Forward physics; Hadron-Hadron scattering; Heavy quark production; QCD
资金
- CERN
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- MPG (Germany)
- INFN (Italy)
- FOM (The Netherlands)
- NWO (The Netherlands)
- MNiSW (Poland)
- NCN (Poland)
- MEN/IFA (Romania)
- MinES (Russia)
- FANO (Russia)
- MinECo (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- STFC (United Kingdom)
- NSF (U.S.A.)
- AvH Foundation (Germany)
- EPLANET
- Marie Sklodowska-Curie Actions and ERC (European Union)
- Conseil General de Haute-Savoie
- Labex ENIGMASS and OCEVU
- Region Auvergne (France)
- RFBR (Russia)
- XuntaGal and GENCAT (Spain)
- Royal Society (United Kingdom)
- Royal Commission (United Kingdom)
- Direct For Mathematical & Physical Scien
- Division Of Physics [1505719] Funding Source: National Science Foundation
- STFC [ST/K00140X/1, ST/K004646/1, ST/M004058/1, ST/H006737/1, ST/K003410/1, ST/J004332/1, LHCb, ST/N000242/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/N000242/1, 1564711, ST/J004332/1, ST/M004058/1, ST/K00140X/1, ST/K004646/1, LHCb, GRIDPP, 1415632, 1514623, ST/N000250/1, 1416165, ST/K003410/1, 1364044, ST/H006737/1, 1565116, 1565032] Funding Source: researchfish
Production cross-sections of prompt charm mesons are measured with the first data from pp collisions at the LHC at a centre-of-mass energy of 13 TeV. The data sample corresponds to an integrated luminosity of 4.98 +/- 0.19 pb(-1) collected by the LHCb experiment. The production cross-sections of D-0, D+, D (s) (+) , and D*+ mesons are measured in bins of charm meson transverse momentum, p(T), and rapidity, y, and cover the range 0 < p(T) < 15GeV/c and 2.0 < y < 4.5. The inclusive cross-sections for the four mesons, including charge conjugation, within the range of 1 < p(T) < 8 GeV/c are found to be sigma(pp -> D-0 X) = 2460 +/- 3 +/- 130 mu b sigma(pp -> D+ X) = 1000 +/- 3 +/- 110 mu b sigma(pp -> Ds+X) = 460 +/- 13 +/- 100 mu b sigma(pp -> D*+ X) = 880 +/- 5 +/- 140 mu b where the uncertainties are due to statistical and systematic uncertainties, respectively.
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