粒子物理学术报告会 70

作者: 时间:2018-12-07 点击数:

Nuclear and Particle Physics Colloquium70

(核与粒子物理学术报告会70)

 

Place: Room 316

Time:10:00-12:00, December 13

Title:Preliminary Study of Three Bosons System in the Finite Volume

   

Speaker:Dr. Jia-Jun Wu, University of Chinese Academy of Sciences  

 

Abstract:The three-particle quantization condition is partially diagonalized in the center-of-mass frame by using cubic symmetry on the lattice. By using the Bethe-Salpeter equation for particle-dimer scattering, we expand it in the basis functions of different irreducible representations of the octahedral group. Through one toy model, we show that this method can extract the energy eigenvalues in terms of bound and scattering states in the finite volume.Furthermore, we prove that the energy shift in the finite volume upto L^{-6} is cutoff independent.

 

About speaker:

Dr. Jiajun Wu obtained his Ph. D. degree from Institute of High Energy Physics, CAS in 2012. He was working in Argonne National Lab (USA), University of Adelaide (Australia), and University of Bonn (German) as a postdoctoral research fellow. Currently he is working in the University of Chinese Academy of Sciences. His main research interests include hadron states and hadronic spectrum, Lattice QCD, and neutrino nuclear reaction.

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