期刊论文

【摘要】

A manifestly relativistic-invariant Lellouch-Lüscher formalism for the decays into three identical particles with no two-to-three transitions is proposed. Similarly to [1], the formalism is based on the use of the non-relativistic effective Lagrangians. Manifest Lorentz invariance is guaranteed, as in [2], by choosing the quantization axis along the total four-momentum of the three-particle system. A systematic inclusion of the higher-order derivative couplings, as well as higher partial waves is addressed.

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Unknown
© The Author(s) 2023

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Journal of High Energy Physics
Three-particle Lellouch-Lüscher formalism in moving frames
Regular Article - Theoretical Physics
Jin-Yi Pang¹ Fabian Müller² Akaki Rusetsky³ Jia-Jun Wu⁴
[1] College of Science, University of Shanghai for Science and Technology, 200093, Shanghai, China;Helmholtz-Institut für Strahlen- und Kernphysik (Theorie) and Bethe Center for Theoretical Physics, Universität Bonn, 53115, Bonn, Germany;Helmholtz-Institut für Strahlen- und Kernphysik (Theorie) and Bethe Center for Theoretical Physics, Universität Bonn, 53115, Bonn, Germany;Tbilisi State University, 0186, Tbilisi, Georgia;School of Physical Sciences, University of Chinese Academy of Sciences, 100049, Beijing, China;
关键词: Hadronic Matrix Elements and Weak Decays; Hadronic Spectroscopy; Structure and Interactions; Lattice QCD;
DOI : 10.1007/JHEP02(2023)214
received in 2022-11-24, accepted in 2023-02-14, 发布年份 2023
来源: Springer
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