Please use this identifier to cite or link to this item: http://earchive.tpu.ru/handle/11683/57797
Title: Measurement of D s ± production asymmetry in ppcollisions at s√=7s=7 and 8 TeV
Authors: Aaij, Roel
Adeva, Bernardo
Adinolfi, Marco
Panshin, Gennady Leonidovich
Strokov, Sergey Aleksandrovich
Vagner, Aleksandr Rudolfovich
Keywords: смещения; адронные процессы
Issue Date: 2018
Publisher: Томский политехнический университет
Citation: Measurement of D s ± production asymmetry in ppcollisions at s√=7s=7 and 8 TeV / R. Aaij [et al.] // Journal of High Energy Physics. — 2018. — № 8. — [8, 21 p.].
Abstract: The inclusive D s ± production asymmetry is measured in pp collisions collected by the LHCb experiment at centre-of-mass energies of s√=7s=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.
URI: http://earchive.tpu.ru/handle/11683/57797
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