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Measurement of ϒ production in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
- Source :
- Journal of High Energy Physics, Vol 2018, Iss 7, Pp 1-27 (2018)
- Publication Year :
- 2018
- Publisher :
- SpringerOpen, 2018.
-
Abstract
- Abstract The production cross-sections of ϒ(1S), ϒ(2S) and ϒ(3S) mesons in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV are measured with a data sample corresponding to an integrated luminosity of 277 ± 11 pb−1 recorded by the LHCb experiment in 2015. The ϒ mesons are reconstructed in the decay mode ϒ → μ + μ −. The differential production cross-sections times the dimuon branching fractions are measured as a function of the ϒ transverse momentum, p T, and rapidity, y, over the range 0 < p T < 30 GeV/c and 2.0 < y < 4.5. The ratios of the cross-sections with respect to the LHCb measurement at s = 8 $$ \sqrt{s}=8 $$ TeV are also determined. The measurements are compared with theoretical predictions based on NRQCD.
Details
- Language :
- English
- ISSN :
- 10298479
- Volume :
- 2018
- Issue :
- 7
- Database :
- Directory of Open Access Journals
- Journal :
- Journal of High Energy Physics
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.f0706b8093304e6dafc9f2a70c97e274
- Document Type :
- article
- Full Text :
- https://doi.org/10.1007/JHEP07(2018)134