What is the right formalism to search for resonances? II. The pentaquark chain

Abstract We discuss the differences between several partial-wave analysis formalisms used in the construction of three-body decay amplitudes involving fermions. Specifically, we consider the decay $$\Lambda _b \rightarrow \psi \,p K^-$$ Λb→ψpK- , where the hidden charm pentaquark signal has been rep...

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Bibliographic Details
Main Authors: A. Pilloni, J. Nys, M. Mikhasenko, M. Albaladejo, C. Fernández-Ramírez, A. Jackura, V. Mathieu, N. Sherrill, T. Skwarnicki, A. P. Szczepaniak
Format: Article
Language:English
Published: SpringerOpen 2018-09-01
Series:European Physical Journal C: Particles and Fields
Online Access:http://link.springer.com/article/10.1140/epjc/s10052-018-6177-2