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Measurement of prompt D0, D+, D*+, and D-s(+) production in p-Pb collisions at root S-NN = 5.02 TeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F19%3A00522233" target="_blank" >RIV/61389005:_____/19:00522233 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/19:00522233

  • 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 D-s(+) production in p-Pb collisions at root S-NN = 5.02 TeV

  • Original language description

    The measurement of the production of prompt D0, D+, D*+, and D-S(+) mesons in proton-lead (p-Pb) collisions at the centre-of-mass energy per nucleon pair of root s-NN= 5.02 TeV, with an integrated luminosity of 292 ± 11 mb−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) reference 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 Rp Pb 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 D-S(+) mesons are also reported. The D-S(+)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>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database

  • CEP classification

  • OECD FORD branch

    10304 - Nuclear physics

Result continuities

  • Project

    <a href="/en/project/LTT17018" target="_blank" >LTT17018: Getting new knowledge of the microworld using the CERN infrastructure</a><br>

  • 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

    1126-6708

  • e-ISSN

  • Volume of the periodical

    2019

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    43

  • Pages from-to

    92

  • UT code for WoS article

    000511682800001

  • EID of the result in the Scopus database

    2-s2.0-85076474609