Charmless hadronic decays of B mesons to a pseudoscalar and a tensor meson

被引：22
|
作者：
Kim, CS [1 ]
Lim, BH
Oh, S
机构：
[1] Yonsei Univ, Dept Phys, Seoul 120749, South Korea
[2] Yonsei Univ, IPAP, Seoul 120749, South Korea
[3] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
来源：
EUROPEAN PHYSICAL JOURNAL C | 2002年 / 22卷 / 04期
关键词：
D O I：
10.1007/s100520100826
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We study two-body charmless hadronic decays of B mesons to a pseudoscalar meson (P) and a tensor meson (T) in the frameworks of both flavor SU(3) symmetry and generalized factorization. Certain ways to test the validity of the generalized factorization are proposed, based on the flavor SU(3) analysis. We present a set of relations between a flavor SU(3) amplitude and the corresponding amplitude in the generalized factorization which bridge both approaches in B --> PT decays. The branching ratios and CP asymmetries are calculated using the full effective Hamiltonian including all the penguin operators and the form factors obtained in the non-relativistic quark model of Isgur, Scora, Grinstein and Wise. We identify the decay modes in which the branching ratios and CP asymmetries are expected to be relatively large.
引用
收藏
页码：683 / 694
页数：12
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