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Comparative study of the hadronic production of B-c mesons
Chang, CH; Chen, YQ; Oakes, RJ; Chang, CH , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING,PEOPLES R CHINA.
1996
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号54期号:7页码:4344-4348
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.
部门归属ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; NORTHWESTERN UNIV,DEPT PHYS & ASTRON,EVANSTON,IL 60208
关键词Collisions Fragmentation Predictions b(c)
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12577
专题理论物理所SCI论文
通讯作者Chang, CH , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING,PEOPLES R CHINA.
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Chang, CH,Chen, YQ,Oakes, RJ,et al. Comparative study of the hadronic production of B-c mesons[J]. PHYSICAL REVIEW D,1996,54(7):4344-4348.
APA Chang, CH,Chen, YQ,Oakes, RJ,&Chang, CH , CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING,PEOPLES R CHINA..(1996).Comparative study of the hadronic production of B-c mesons.PHYSICAL REVIEW D,54(7),4344-4348.
MLA Chang, CH,et al."Comparative study of the hadronic production of B-c mesons".PHYSICAL REVIEW D 54.7(1996):4344-4348.
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