Hadronic Production of the Doubly Heavy Baryon $Ξ_{bc}$ at LHC

Details Hadronic Production of the Doubly Heavy Baryon $Ξ_{bc}$ at LHC Hadronic Production of the Doubly Heavy Baryon $Ξ_{bc}$ at LHC

2011-01-06

arxiv.org/abs/1101.1130v3

Phys.Rev.D83:034026,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 8 figures, 6 tables. References updated and more discussions are added. To be published in Phys.Rev.D

Scientific paper

10.1103/PhysRevD.83.034026

We investigate the hadronic production of the doubly heavy baryon $\Xi_{bc}$ at the large hadron collider (LHC), where contributions from the four $(bc)$-diquark states $(bc)_{\bf\bar{3},6}[^1S_0]$ and $(bc)_{\bf\bar{3},6}[^3S_1]$ have been taken into consideration. Numerical results show that under the condition of $p_T>4$ GeV and $|y|<1.5$, sizable $\Xi_{bc}$ events about $ 1.7\times 10^7$ and $3.5\times10^9$ per year can be produced for the center-of-mass energy $\sqrt{S}=7$ TeV and $\sqrt{S}=14$ TeV respectively. For experimental usage, the total and the interested differential cross-sections are estimated under some typical $p_T$- and $y$- cuts for the LHC detectors CMS, ATLAS and LHCb. Main uncertainties are discussed and a comparative study on the hadronic production of $\Xi_{cc}$, $\Xi_{bc}$ and $\Xi_{bb}$ at LHC are also presented.

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