Prompt Λ c + production in pPb collisions at sNN−−−√=5.02  TeV

C. J. G. Onderwater; LHCb Collaboration

doi:10.1007/JHEP02(2019)102

Prompt Λ c + production in pPb collisions at sNN−−−√=5.02 TeV

C. J. G. Onderwater, LHCb Collaboration

Precision Frontier

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Abstract

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 sNN−−−√=5.02sNN=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 < pT < 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 D0 mesons is also reported. The results are compared with next-to-leading order calculations that use nuclear parton distribution functions.

Original language	English
Article number	102
Number of pages	26
Journal	Journal of High Energy Physics
Volume	2019
Issue number	2
DOIs	https://doi.org/10.1007/JHEP02(2019)102
Publication status	Published - Feb-2019

Keywords

MATRIX-ELEMENT
HELAC-ONIA
GENERATOR
DECAY
TOOL

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@article{63d2972ef5b347d28461acc4996dd628,

title = "Prompt Λ c + production in pPb collisions at sNN−−−√=5.02 TeV",

abstract = "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 sNN−−−√=5.02sNN=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 < pT < 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 D0 mesons is also reported. The results are compared with next-to-leading order calculations that use nuclear parton distribution functions.",

keywords = "MATRIX-ELEMENT, HELAC-ONIA, GENERATOR, DECAY, TOOL",

author = "R. Aaij and B. Adeva and M. Adinolfi and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and L. Dufour and M. Mulder and Onderwater, {C. J. G.} and A. Pellegrino and S. Tolk and {van Veghel}, M. and {LHCb Collaboration}",

year = "2019",

month = feb,

doi = "10.1007/JHEP02(2019)102",

language = "English",

volume = "2019",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

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number = "2",

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TY - JOUR

T1 - Prompt Λ c + production in pPb collisions at sNN−−−√=5.02 TeV

AU - Aaij, R.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Dufour, L.

AU - Mulder, M.

AU - Onderwater, C. J. G.

AU - Pellegrino, A.

AU - Tolk, S.

AU - van Veghel, M.

AU - LHCb Collaboration

PY - 2019/2

Y1 - 2019/2

N2 - 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 sNN−−−√=5.02sNN=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 < pT < 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 D0 mesons is also reported. The results are compared with next-to-leading order calculations that use nuclear parton distribution functions.

AB - 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 sNN−−−√=5.02sNN=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 < pT < 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 D0 mesons is also reported. The results are compared with next-to-leading order calculations that use nuclear parton distribution functions.

KW - MATRIX-ELEMENT

KW - HELAC-ONIA

KW - GENERATOR

KW - DECAY

KW - TOOL

U2 - 10.1007/JHEP02(2019)102

DO - 10.1007/JHEP02(2019)102

M3 - Article

VL - 2019

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1126-6708

IS - 2

M1 - 102

ER -