Chiral extrapolations of the meson in lattice QCD simulations
Journal Article
·
· Physical Review D
- George Washington Univ., Washington, DC (United States)
- George Washington Univ., Washington, DC (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- George Washington Univ., Washington, DC (United States); Univ. of Bern (Switzerland). Albert Einstein Center for Fundamental Physics
Recent $$N_f=2+1$$ lattice data for meson-meson scattering in $$p$$-wave and isospin $I=1$ are analyzed using a unitarized model inspired by Chiral Perturbation Theory in the inverse-amplitude formulation for two and three flavors. We perform chiral extrapolations that postdict phase shifts extracted from experiment quite well. Additionally, the low-energy constants are compared to the ones from a recent analysis of $$N_f=2$$ lattice QCD simulations to check for the consistency of the hadronic model used here. Some inconsistencies are detected in the fits to $$N_f=2+1$$ data, in contrast to the previous analysis of $$N_f=2$$ data.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)
- Grant/Contract Number:
- 1452055; AC05-06OR23177; SC0016582; FG02-95ER40907; MA 7156/1
- OSTI ID:
- 1377015
- Alternate ID(s):
- OSTI ID: 1376956
- Report Number(s):
- JLAB-THY-17-2445; DOE/OR/23177-4126; arXiv:1704.06248; PRVDAQ
- Journal Information:
- Physical Review D, Vol. 96, Issue 3; ISSN 2470-0010
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 21 works
Citation information provided by
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