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BCVEGPY2.0: An upgraded version of the generator BCVEGPY with the addition of hadroproduction of the P-wave B-c states
Chang, CH; Wang, JX; Wu, XG; Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
2006
发表期刊COMPUTER PHYSICS COMMUNICATIONS
ISSN0010-4655
卷号174期号:3页码:241-251
摘要The generator BCVEGPY is upgraded by improving some of its features and by adding the hadroproduction of the P-wave excited B-c states (denoted by B-cJ.L = 1(*) or by h(Bc), and chi(Bc)). In order to make the generator more efficient, we manipulate the amplitude as compact as possible with special effort. The correctness of the program is tested by various checks. We denote it as BCVEGPY2.0. As for the added part ofthe P-wave production, only the dominant gluon-gluon fusion mechanism (gg -> B-cJ.L = 1* + (c) over bar + b) is taken into account. Moreover, in the program, not only the ability to compute the contributions from the color-singlet components (cb)l to the P-wave production but also the ability to compute the contributions from the color-octet components (c (b) over bar)(8) are available. With BCVEGPY2.0 the contributions from the two 'color components' to the production of each of the P-wave states may be computed separately by an option, furthermore, besides individually the event samples of the S-wave and P-wave (c (h) over bar)-heavy-quarkonium in various correct (realistic) mixtures can be generated by relevant options too.
部门归属CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
关键词Hadronic Production S-wave Meson Scattering Tevatron
学科领域Physics
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收录类别SCI
WOS记录号WOS:000235469200007
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被引频次:51[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/6052
专题理论物理所SCI论文
通讯作者Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
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GB/T 7714
Chang, CH,Wang, JX,Wu, XG,et al. BCVEGPY2.0: An upgraded version of the generator BCVEGPY with the addition of hadroproduction of the P-wave B-c states[J]. COMPUTER PHYSICS COMMUNICATIONS,2006,174(3):241-251.
APA Chang, CH,Wang, JX,Wu, XG,&Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.(2006).BCVEGPY2.0: An upgraded version of the generator BCVEGPY with the addition of hadroproduction of the P-wave B-c states.COMPUTER PHYSICS COMMUNICATIONS,174(3),241-251.
MLA Chang, CH,et al."BCVEGPY2.0: An upgraded version of the generator BCVEGPY with the addition of hadroproduction of the P-wave B-c states".COMPUTER PHYSICS COMMUNICATIONS 174.3(2006):241-251.
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