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hep-lat2022
Three-particle Lellouch-Lüscher formalism in moving frames
Fabian Müller, Jin-Yi Pang, Akaki Rusetsky +1
A manifestly relativistic-invariant Lellouch-Lüscher formalism for the three-particle decays is proposed. Similarly to ref.[1], the formalism is based on the use of the non-relativ…
hep-lat2022★ 6 cited
Spurious poles in a finite volume
Jin-Yi Pang, Martin Ebert, Hans-Werner Hammer +3
Using effective-range expansion for the two-body amplitudes may generate spurious sub-threshold poles outside of the convergence range of the expansion. In the infinite volume, the…