Publication: Measurement of $D{_s}{^\pm}$ production asymmetry in pp collisions at $\sqrt s$ = 7 and 8 TeV
Measurement of $D{_s}{^\pm}$ production asymmetry in pp collisions at $\sqrt s$ = 7 and 8 TeV
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LHCb Collaboration, Bernet, R., Müller, K., Serra, N., Steinkamp, O., Straumann, U., Vollhardt, A., & et al. (2018). Measurement of $D{_s}{^\pm}$ production asymmetry in pp collisions at $\sqrt s$ = 7 and 8 TeV. Journal of High Energy Physics, 08, 008. https://doi.org/10.1007/JHEP08(2018)008
Abstract
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Abstract
The inclusive D s ± production asymmetry is measured in pp collisions collected by the LHCb experiment at centre-of-mass energies of s√=7 and 8 TeV. Promptly produced D s ± mesons are used, which decay as D s ± → ϕπ±, with ϕ → K+K−. The measurement is performed in bins of transverse momentum, pT, and rapidity, y, covering the range 2.5 < pT < 25.0 GeV/c and 2.0 < y < 4.5. No kinematic dependence is observed. Evidence of nonzero D s ± production asymmetry is found with a significance of 3.3 standard deviations.
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- Bernet, R
- Müller, K
- Serra, N
- Steinkamp, O
- Straumann, U
- Vollhardt, A
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LHCb Collaboration, Bernet, R., Müller, K., Serra, N., Steinkamp, O., Straumann, U., Vollhardt, A., & et al. (2018). Measurement of $D{_s}{^\pm}$ production asymmetry in pp collisions at $\sqrt s$ = 7 and 8 TeV. Journal of High Energy Physics, 08, 008. https://doi.org/10.1007/JHEP08(2018)008
