Prompt $\Lambda^+_c$ production in $p\mathrm{Pb}$ collisions at $\sqrt{s_{NN}} = 5.02$ TeV - INSPIRE

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Prompt $\Lambda^+_c$ production in $p\mathrm{Pb}$ collisions at $\sqrt{s_{NN}} = 5.02$ TeV

LHCb

Collaboration

Sep 5, 2018

26 pages

Published in:

JHEP 02 (2019) 102

Published: Feb 15, 2019

e-Print:

1809.01404 [hep-ex]

DOI:

10.1007/JHEP02(2019)102

Report number:

LHCb-PAPER-2018-021,
CERN-EP-2018-193

Experiments:

CERN-LHC-LHCb

View in:

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Abstract: (Springer)

The prompt production of Λ

_{c}^{+}

baryons is studied in proton-lead collisions collected with the LHCb detector at the LHC. The data sample corresponds to an integrated luminosity of 1.58 nb

^{−1}

recorded at a nucleon-nucleon centre-of-mass energy of

\sqrt{s_{\mathrm{NN}}}=5.02

TeV. Measurements of the differential cross-section and the forwardbackward production ratio are reported for Λ

_{c}^{+}

baryons with transverse momenta in the range 2 < p

_{T}

< 10 GeV/c and rapidities in the ranges 1.5 < y

^{∗}

< 4.0 and −4.5 < y

^{∗}

< −2.5 in the nucleon-nucleon centre-of-mass system. The ratio of cross-sections of Λ

_{c}^{+}

baryons and D

^{0}

mesons is also reported. The results are compared with next-to-leading order calculations that use nuclear parton distribution functions.

Note:

All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2018-021.html

Charm physics
Forward physics
Heavy Ion Experiments
Heavy quark production
p nucleus: interaction
lead
Lambda/c+: hadroproduction
D0: hadroproduction
baryon
quantum chromodynamics: perturbation theory

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