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Chang, CH; Qiao, CF; Wang, JX; Wu, XG; Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
Hadronic production of the B-c(B*(c)) meson induced by the heavy quarks inside the collision hadrons
Source PublicationPHYSICAL REVIEW D
KeywordB-c Meson P-wave States Neutral-current S-wave Charm Tevatron Energies Leptoproduction
AbstractIn the general-mass variable-flavor-number scheme, the "heavy-quark mechanisms" of B-c(B-c(*)) meson hadroproduction via the subprocesses g+c -> B-c(B-c(*))+center dot and g+(b) over bar -> B-c(B-c(*))+center dot are investigated. In the scheme, possible double counting from these mechanisms and the "light mechanisms" (the gluon-gluon fusion and quark-antiquark annihilation mechanisms) is subtracted properly. The numerical results show that the transverse-momentum, p(t), distribution of the produced B-c(B-c(*)) from the "intrinsic heavy-quark mechanisms" (i.e. the heavy-quark mechanisms in which the double-counting components have been subtracted accordingly) declines faster with the increment of the p(t) than that from the light mechanisms, and only in the small p(t) region (p(t)less than or similar to 7.0 GeV) the intrinsic heavy-quark mechanisms themselves may make remarkable contributions. The combined contributions from the intrinsic heavy-quark mechanisms and the light mechanisms to the production are compared with that obtained by most of the calculations in the literature, which in some sense are within the fixed flavor number scheme at leading order, and we find that the production by virtue of the general-mass variable-flavor-number scheme is more or less the same as the one in the literature, except in the small p(t) region.
2005
ISSN1550-7998
Volume72Issue:11Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13713
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Chang, CH,Qiao, CF,Wang, JX,et al. Hadronic production of the B-c(B*(c)) meson induced by the heavy quarks inside the collision hadrons[J]. PHYSICAL REVIEW D,2005,72(11):-.
APA Chang, CH,Qiao, CF,Wang, JX,Wu, XG,&Chang, CH , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China..(2005).Hadronic production of the B-c(B*(c)) meson induced by the heavy quarks inside the collision hadrons.PHYSICAL REVIEW D,72(11),-.
MLA Chang, CH,et al."Hadronic production of the B-c(B*(c)) meson induced by the heavy quarks inside the collision hadrons".PHYSICAL REVIEW D 72.11(2005):-.
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