Parton-hadron duality in nonleptonic B hadron decays

被引：13

作者：

Blok, B ^{[1
]}

Mannel, T ^{[1
]}

机构：

[1] UNIV KARLSRUHE,INST THEORET TEILCHENPHYS,D-76128 KARLSRUHE,GERMANY

来源：

MODERN PHYSICS LETTERS A | 1996年 / 11卷 / 15期

关键词：

D O I：

10.1142/S0217732396001272

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Assuming the so-called global duality we argue that it is very likely that local duality needed to obtain results for the hadronic width of heavy meson decays within the 1/m(Q) expansion holds. Hence, if the discrepancy between experiment and the theory concerning charm counting, the semileptonic branching fraction and the lifetimes of b hadrons persist, it may be taken as a hint at some qualitatively new effect in (nonperturbative) QCD or at new physics.

引用

页码：1263 / 1271

页数：9

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