The Production of Xi(bb) at the Photon Collider

作者：Yang Zhong-Juan^*; Zhao Xiao-Xia

来源：Chinese Physics Letters, 2014, 31(9): 091301.

DOI：10.1088/0256-307X/31/9/091301

• DOUBLY HEAVY BARYON
• HADRONIC PRODUCTION
• FRAGMENTATION
• ANNIHILATION
• VERSION
• QUARKS

The inclusive production of the doubly heavy baryon Xi(bb) is investigated with a polarized and unpolarized photon collider. The bb pair in both a color triplet and sextet has been considered to transform into Xi(bb). The results indicate that the contribution from the color sextet is about 8% for Xi(bb) production. For the international linear collider collision energy ranging from 91 GeV to 1000 GeV, the total cross section of Xi(bb) shows a downtrend, i.e., the production of Xi(bb) has the maximal rate at root S=91 GeV. Our results indicate that the initial beam polarization may be an important asset for the production of Xi(bb). At some collision point, the production rate of Xi(bb) can be increased by about 17% with an appropriate choice of the initial beam polarization.

• 出版日期2014-9
• 单位河南理工大学