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Title: Resonances in pi-K scattering

We have obtained clear signals of resonances in coupled-channel pi K - eta K scattering. Using distillation and a large basis of operators we are able to extract a precise spectrum of energy levels using the variational method. These energies are analysed using inelastic extensions of the Luescher method to obtain scattering amplitudes that clearly describe S, P and D wave resonances, corresponding to the physical K_0^*(1430), the K^*(892) and the K_2^*(1430).
  1. Old Dominion University, Norfolk, VA
Publication Date:
OSTI Identifier:
Report Number(s):
JLAB-THY-14-1957; DOE/OR/23177-3504
DOE Contract Number:
Resource Type:
Resource Relation:
Conference: Lattice 2014, 23-28 June, 2014 , Columbia University New York, NY
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States