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Measurement of prompt D0, D+, D*+, and DS+ production in p–Pb collisions at root sNN = 5.02 TeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F19%3A00338134" target="_blank" >RIV/68407700:21340/19:00338134 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1007/JHEP12(2019)092" target="_blank" >https://doi.org/10.1007/JHEP12(2019)092</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/JHEP12(2019)092" target="_blank" >10.1007/JHEP12(2019)092</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurement of prompt D0, D+, D*+, and DS+ production in p–Pb collisions at root sNN = 5.02 TeV

  • Original language description

    The measurement of the production of prompt D0, D+, D*+, and DS+ mesons in proton–lead (p–Pb) collisions at the centre-of-mass energy per nucleon pair of sNN = 5.02 TeV, with an integrated luminosity of 292 ± 11 μb-1, are reported. Differential production cross sections are measured at mid-rapidity (-0.96 < ycms< 0.04) as a function of transverse momentum (pT) in the intervals 0 < pT< 36 GeV/c for D0, 1 < pT< 36 GeV/c for D+ and D*+, and 2 < pT< 24 GeV/c for D+ mesons. For each species, the nuclear modification factor RpPb is calculated as a function of pT using a proton-proton (pp) ref- erence measured at the same collision energy. The results are compatible with unity in the whole pT range. The average of the non-strange D mesons RpPb is compared with theoretical model predictions that include initial-state effects and parton transport model predictions. The pT dependence of the D0, D+, and D*+ nuclear modification factors is also reported in the interval 1 < pT< 36 GeV/c as a function of the collision centrality, and the central-to-peripheral ratios are computed from the D-meson yields measured in different centrality classes. The results are further compared with charged-particle measurements and a similar trend is observed in all the centrality classes. The ratios of the pT-differential cross sections of D0, D+, D*+, and DS+ mesons are also reported. The DS+ and D+ yields are compared as a function of the charged-particle multiplicity for several pT intervals. No modification in the relative abundances of the four species is observed with respect to pp collisions within the statistical and systematic uncertainties

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    JOURNAL OF HIGH ENERGY PHYSICS

  • ISSN

    1029-8479

  • e-ISSN

    1029-8479

  • Volume of the periodical

    2019

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    42

  • Pages from-to

  • UT code for WoS article

    000511682800001

  • EID of the result in the Scopus database

    2-s2.0-85076474609