Measurement of $D<sup>{*\pm}$, $D</sup>\pm$ and $D_s^\pm$ meson production cross sections in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector

Youhei Yamaguchi

doi:10.1016/j.nuclphysb.2016.04.032

論文・著書情報

タイトル

和文:	*Measurement of $D^{{\pm}$, $D}\pm$ and $D_s^\pm$ meson production cross sections in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector**
英文:	*Measurement of $D^{{\pm}$, $D}\pm$ and $D_s^\pm$ meson production cross sections in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector**

著者

和文:	山口洋平.
英文:	Youhei Yamaguchi.

言語

English

掲載誌/書名

和文:
英文:

巻, 号, ページ

Vol. "B907" pp. "717-763"

出版年月

2015年12月

出版者

和文:
英文:

会議名称

和文:
英文:

開催地

和文:
英文:

公式リンク

http://inspirehep.net/record/1408878

DOI

https://doi.org/10.1016/j.nuclphysb.2016.04.032

アブストラクト

The production of D⁎± , D± and Ds± charmed mesons has been measured with the ATLAS detector in pp collisions at s=7 TeV at the LHC, using data corresponding to an integrated luminosity of 280 nb−1 . The charmed mesons have been reconstructed in the range of transverse momentum 3.5<pT(D)<100 GeV and pseudorapidity |η(D)|<2.1 . The differential cross sections as a function of transverse momentum and pseudorapidity were measured for D⁎± and D± production. The next-to-leading-order QCD predictions are consistent with the data in the visible kinematic region within the large theoretical uncertainties. Using the visible D cross sections and an extrapolation to the full kinematic phase space, the strangeness-suppression factor in charm fragmentation, the fraction of charged non-strange D mesons produced in a vector state, and the total cross section of charm production at s=7 TeV were

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