General formulation of covariant helicity-coupling amplitudes

被引：111

作者：

Chung, SU ^{[1
]}

机构：

[1] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW D | 1998年 / 57卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.57.431

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A general formulation is given for constructing covariant helicity-coupling amplitudes involving two-body decays with arbitrary integer spins. The decay amplitudes are given exclusively in terms of both definite orbital angular momentum and total intrinsic Spin. A systematic method is developed for calculating the energy and momentum dependence of daughter particles in the decay amplitudes, and a general formula for arbitrary integer spins is given. A number of illustrative examples is worked out, among which is that of the Higgs boson decay into two gauge bosons. [S0556-2821(97)03423-1].

引用

页码：431 / 442

页数：12

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