Three-particle Lellouch-Lüscher formalism in moving frames
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Publication:6041745
DOI10.1007/JHEP02(2023)214arXiv2211.10126OpenAlexW4321597460MaRDI QIDQ6041745
Author name not available (Why is that?)
Publication date: 12 May 2023
Published in: (Search for Journal in Brave)
Abstract: A manifestly relativistic-invariant Lellouch-L"uscher formalism for the three-particle decays is proposed. Similarly to ref.[1], the formalism is based on the use of the non-relativistic effective Lagrangians. Manifest Lorentz invariance is guaranteed, as in ref.[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.
Full work available at URL: https://arxiv.org/abs/2211.10126
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