HEPData

Abstract (data abstract)

The inclusive $D_s^{\pm}$ production asymmetry is measured in $pp$ collisions collected by the LHCb experiment at centre-of-mass energies of $\sqrt{s} =7$ and 8 TeV. Promptly produced $D_s^{\pm}$ mesons are used, which decay as $D_s^{\pm}\to\phi\pi^{\pm}$, with $\phi\to K^+K^-$. The measurement is performed in bins of transverse momentum, $p_{\rm T}$, and rapidity, $y$, covering the range $2.5<p_{\rm T}<25.0$ GeV$/c$ and $2.0<y<4.5$. No kinematic dependence is observed. Evidence of nonzero $D_s^{\pm}$ production asymmetry is found with a significance of 3.3 standard deviations.

Table 1

Data from Table 2 on page 9 of the paper.

10.17182/hepdata.82715.v1/t1

Values of the $D_s^+$ production asymmetry in percent, including, respectively, the statistical and systematic uncertainties for each of the $D_s^+$...
https://www.hepdata.net/record/data/304856yaml https://www.hepdata.net/record/data/304856/csvcsv
Table 2

Data from Table 3 on page 11 of the paper.

10.17182/hepdata.82715.v1/t2

Values of the $D_s^+$ production asymmetry in percent, including, respectively, the statistical and systematic uncertainties for each of the $D_s^+$...
https://www.hepdata.net/record/data/304857yaml https://www.hepdata.net/record/data/304857/csvcsv
Table 3

Data from Table 4 on page 12 of the paper.

10.17182/hepdata.82715.v1/t3

Values of the $D_s^+$ production asymmetry in percent, including, respectively, the statistical and systematic uncertainties for each of the $D_s^+$...
https://www.hepdata.net/record/data/304858yaml https://www.hepdata.net/record/data/304858/csvcsv
Table 4

10.17182/hepdata.82715.v1/t4

The covariance matrix for the kinematic bins matrix of the $D_s^+$ production asymmetry measured using the combined $\sqrt{s} =7$ and...
https://www.hepdata.net/record/data/304859yaml https://www.hepdata.net/record/data/304859/csvcsv
Table 5

10.17182/hepdata.82715.v1/t5

The covariance matrix for the kinematic bins matrix of the $D_s^+$ production asymmetry measured using the $\sqrt{s} =7$ TeV data...
https://www.hepdata.net/record/data/304860yaml https://www.hepdata.net/record/data/304860/csvcsv
Table 6

10.17182/hepdata.82715.v1/t6

The covariance matrix for the kinematic bins matrix of the $D_s^+$ production asymmetry measured using the $\sqrt{s} =8$ TeV data...
https://www.hepdata.net/record/data/304861yaml https://www.hepdata.net/record/data/304861/csvcsv

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