download0 view144
twitter facebook

공공누리This item is licensed Korea Open Government License

Title
D_s meson production at central rapidity in proton-proton collisions at sqrt(s) = 7 TeV
Author(s)
ALICECollaboration안설아장행진
Publication Year
2013-01-01
Abstract
The pT-differential inclusive production cross section of the prompt charm-strange meson View the MathML source in the rapidity range

y

below 0.5 was measured in proton쭯proton collisions at View the MathML source at the LHC using the ALICE detector. The analysis was performed on a data sample of 2.98≠108 events collected with a minimum-bias trigger. The corresponding integrated luminosity is Lint=4.8 nb−1. Reconstructing the decay View the MathML source, with ϕ∪K−K+, and its charge conjugate, about 480 View the MathML source mesons were counted, after selection cuts, in the transverse momentum range pT above 2 GeV/c and below 12 GeV/c. The results are compared with predictions from models based on perturbative QCD. The ratios of the cross sections of four D meson species (namely D0, D+, D⁎+ and View the MathML source) were determined both as a function of pT and integrated over pT after extrapolating to full pT range, together with the strangeness suppression factor in charm fragmentation. The obtained values are found to be compatible within uncertainties with those measured by other experiments in e+e−, ep and pp interactions at various centre-of-mass energies.
Keyword
D_smesonproduction; centralrapidity; proton-protoncollision; sqrt(s)=7TeV
Journal Title
Physics letters: B
ISSN
0370-2693
Files in This Item:
There are no files associated with this item.
Appears in Collections:
7. KISTI 연구성과 > 학술지 발표논문
URI
https://repository.kisti.re.kr/handle/10580/14202
Export
RIS (EndNote)
XLS (Excel)
XML

Browse