Factorization theorems for exclusive heavy-quarkonium production

被引:28
|
作者
Bodwin, Geoffrey T. [1 ]
Garcia i Tormo, Xavier [1 ]
Lee, Jungil [2 ]
机构
[1] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA
[2] Korea Univ, Dept Phys, Seoul 139701, South Korea
关键词
D O I
10.1103/PhysRevLett.101.102002
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We outline the proofs of the factorization theorems for exclusive two-body charmonium production in B-meson decay and e(+)e(-) annihilation to all orders in perturbation theory in quantum chromodynamics. We find that factorized expressions hold up to corrections of order m(c)/m(b) in B-meson decay and corrections of order m(c)(2)/s in e(+)e(-) annihilation, where m(c) is the charm-quark mass, m(b) is the bottom-quark mass, and root s is the e(+)e(-) center-of-momentum energy.
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页数:4
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