Hadronic production of $B^{(*)}_s$ at TEVATRON and LHC

Details Hadronic production of $B^{(*)}_s$ at TEVATRON and LHC Hadronic production of $B^{(*)}_s$ at TEVATRON and LHC

2009-05-28

arxiv.org/abs/0905.4696v2

Phys.Rev.D79:114012,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 5 figures, 5 tables. Reference updated. To be published in Phys.Rev. D

Scientific paper

10.1103/PhysRevD.79.114012

We study the hadronic production of $B_s$ and $B_s^*$ mesons within the fixed-flavor-number scheme, in which the dominant gluon-gluon fusion mechanism is dealt with by using the complete $\alpha_s^4$ approach. Main theoretical uncertainties for $B_s$ and $B_s^*$ production at TEVATRON and LHC are presented. It is found that when $m_s$ increases by steps of 0.1 GeV, the integrated cross section of $B^{(*)}_s$ decreases by $80%-100%$, when $m_b$ increases by steps of 0.1 GeV, it changes to be $\sim 10%$. While the uncertainties caused by the parton distribution function and the factorization scale varies within the region of 1/5 to 1/3. Considering possible kinematic cut on the transverse momentum and the rapidity cut for the detectors at TEVATRON and LHC, we also make estimations on the $B_s$ and $B_s^*$ production with various kinematic cuts.

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