Two-particle multichannel systems in a finite volume with arbitrary spin
By R. Briceño. 2014
160 citations recorded by the source corpus.
The quantization condition for two-particle systems with arbitrary number of two-body open coupled channels, spin and masses in a finite cubic volume with either periodic or twisted boundary conditions is presented. The condition presented is in agreement with all previous studies of two-body systems in a finite volume. The result is relativistic, holds for all momenta below the three- and four-particle thresholds, and is exact up to exponential volume corrections that are governed by L/r, where L is the spatial extent of the volume and r is the range of the interactions between the particles. With hadronic systems the range of the interaction is set by the inverse of the pion mass, mπ, and as a result the formalism presented is suitable for mπL>>1. Implications of the formalism for the studies of multichannel baryon-baryon systems are discussed.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/cf16d139a5e14600521572000b68b785f0222e69
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In Nuclear and High Energy Physics
Citations in the corpus
- Scattering processes and resonances from lattice QCD (2017, background): “The formalism to deal with stable scattering particles of non-zero spin is in place (Briceno, 2014), and with it one could consider systems featuring mesons like the ω or the D?, which are stable for pion masses larger than physical, or the J/ψ which only has a small hadronic width and which can be…”