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Partial Wave Amplitude Basis and Selection Rules in Effective Field Theories by Jiang, Minyuan; Shu, Jing; Xiao, Ming-Lei; Zheng, Yu-Hui is a Physics and Astronomy article available to read on EtoBox.

What is Partial Wave Amplitude Basis and Selection Rules in Effective Field Theories about?

We derive the generalized partial wave expansion for N→M scattering amplitude in terms of spinor helicity variables. The basis amplitudes of the expansion with definite angular momentum j consist of the Poincaré Clebsch-Gordan coefficients. Moreover, we obtain a series of selection rules that restrict the anomalous dimension matrix of effective operators and how effective operators contribute to some 2→N amplitudes at the loop level.

Who reads Partial Wave Amplitude Basis and Selection Rules in Effective Field Theories?

Author

Jiang, Minyuan; Shu, Jing; Xiao, Ming-Lei; Zheng, Yu-Hui

Publisher

The American Physical Society; American Physical Society; American Physical Society (APS) (ISSN 0031-9007)

Published

2021

Language

EN

Field

Physics and Astronomy (Physical Sciences)