Analysis of the lepton polarisation asymmetries of (B)over-bar → (K)over-bar2(1430)l+l- decay

被引：0
作者：
Choudhury, S. R. [1 ]
Cornell, A. S. [2 ]
Roussos, J. D. [2 ]
机构：
[1] Indian Inst Sci Educ & Res, Bhopal, India
[2] Univ Witwatersrand, Sch Phys, Natl Inst Theoret Phys, ZA-2050 Johannesburg, South Africa
来源：
EUROPEAN PHYSICAL JOURNAL C | 2011年 / 71卷 / 09期
关键词：
D O I：
10.1140/epjc/s10052-011-1751-x
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：
In this work we will study the longitudinal polarisations of both leptons in the decay process (B) over bar -> (K) over bar (2)(1430)l(+)l(-). This process has all the features of the related and well investigated process (B) over bar -> (K) over bar*(890_l(+)l(-), with theoretically comparable branching ratios. The polarised differential decay rates as well as the single and double polarisation asymmetries are worked out, where the sensitivity of these to possible right-handed couplings for the related b -> s radiative decay (and other BSM parameters) are also investigated.
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页数：8
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