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题名: Comparative study of the hadronic production of B-c mesons
作者: Chang, CH ;  Chen, YQ ;  Oakes, RJ
刊名: PHYSICAL REVIEW D
出版日期: 1996
卷号: 54, 期号:7, 页码:4344-4348
关键词: COLLISIONS ;  FRAGMENTATION ;  PREDICTIONS ;  B(C)
学科分类: Physics
通讯作者: Chang, CH , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; NORTHWESTERN UNIV,DEPT PHYS & ASTRON,EVANSTON,IL 60208
英文摘要: A comparative study of the full alpha(s)(4) perturbative QCD calculation of the hadronic production of the B-c and B-c* mesons and the fragmentation approximation is presented. We examined the various subprocesses in detail and the distribution C(z), where z is twice the fraction of the B-c or B-c* meson energy in the center of mass of the subprocess, which proved insightful and revealed the importance of certain nonfragmentation contributions. We concluded that the condition for the applicability of the fragmentation approximation in hadronic collisions is that the transverse momentum P-T of the produced B-c and B-c* be much larger than the mass of the B-c meson: i.e., P-T much greater than M(Bc). Numerical results for the cross sections at the Fermilab Tevatron are also presented using updated parton distribution functions with various kinematic cuts.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12577
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Chang, CH,Chen, YQ,Oakes, RJ. Comparative study of the hadronic production of B-c mesons[J]. PHYSICAL REVIEW D,1996,54(7):4344-4348.
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