Measurements of prompt charm production cross-sections in $pp$ collisions at $ \sqrt{s}=13 $ TeV - INSPIRE

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Measurements of prompt charm production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV

LHCb

Collaboration

Oct 6, 2015

46 pages

Published in:

JHEP 03 (2016) 159,
JHEP 09 (2016) 013 (erratum),
JHEP 05 (2017) 074 (erratum)

Published: Mar 22, 2016

e-Print:

1510.01707 [hep-ex]

DOI:

Report number:

LHCB-PAPER-2015-041,
CERN-PH-EP-2015-272

Experiments:

CERN-LHC-LHCb

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Abstract: (Springer)

Production cross-sections of prompt charm mesons are measured with the first data from

pp

collisions at the LHC at a centre-of-mass energy of

13\,\mathrm{TeV}

. The data sample corresponds to an integrated luminosity of

4.98 \pm 0.19\,\mathrm{pb}^{-1}

collected by the LHCb experiment. The production cross-sections of

D^{0}

,

D^{+}

,

D_{s}^{+}

, and

D^{*+}

mesons are measured in bins of charm meson transverse momentum,

p_{\mathrm{T}}

, and rapidity,

y

, and cover the range

0 < p_{\mathrm{T}} < 15\,\mathrm{GeV}/c

and

2.0 < y < 4.5

. The inclusive cross-sections for the four mesons, including charge conjugation, within the range of

1 < p_{\mathrm{T}} < 8\,\mathrm{GeV}/c

are found to be \begin{align*} \begin{array}{lcr} \sigma(pp \to D^{0} X) &=& 2460 \pm \phantom{1}3 \pm 130\,\mu\mathrm{b} \\ \sigma(pp \to D^{+} X) &=& 1000 \pm \phantom{1}3 \pm 110\,\mu\mathrm{b} \\ \sigma(pp \to D_{s}^{+} X) &=& 460 \pm 13 \pm 100\,\mu\mathrm{b} \\ \sigma(pp \to D^{*+} X) &=& 880 \pm \phantom{1}5 \pm 140\,\mu\mathrm{b} \end{array} \end{align*} where the uncertainties are due to statistical and systematic uncertainties, respectively.

Note:

Includes comments of erratum JHEP 09 (2016) 013 and an additional erratum JHEP 05 (2017) 074. 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-2015-041.html

Charm physics
Forward physics
Hadron-Hadron scattering
Heavy quark production
QCD
p p: scattering
p p: colliding beams
charm: production
charmed meson: direct production
charmed meson: hadronic decay

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Figures(0)

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