D-wave charmonium production in B decays

被引：17

作者：

Yuan, F ^{[1
]}

Qiao, CF ^{[1
]}

Chao, KT ^{[1
]}

机构：

[1] CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA

来源：

PHYSICAL REVIEW D | 1997年 / 56卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.56.329

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The calculation of D-wave charmonium production rates in B meson decays under the NRQCD factorization formalism is presented. We find that the inclusion of the color-octet contributions permits us to detect the D-wave charmonium states in B decays at present experimental facilities. The same amount of signals of the 2(--) D-wave state as that of psi' could be observed at CERN LEP and CESR. We also predict that the relative production rates for four D-wave states are delta(c): delta(1)(c) : delta(2)(c): delta(3)(c) = 2.5:3:5:7, where delta(c), delta(1)(c), delta(2)(c), delta(3)(c) represent, respectively, the 2(-+), 1(--), 2(--), 3(--) states.

引用

页码：329 / 334

页数：6

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