Chiral extrapolations of the meson in lattice QCD simulations
Abstract
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.
- Authors:
-
- 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
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); National Science Foundation (NSF)
- OSTI Identifier:
- 1377015
- Alternate Identifier(s):
- OSTI ID: 1376956
- Report Number(s):
- JLAB-THY-17-2445; DOE/OR/23177-4126; arXiv:1704.06248
Journal ID: ISSN 2470-0010; PRVDAQ
- Grant/Contract Number:
- 1452055; AC05-06OR23177; SC0016582; FG02-95ER40907; MA 7156/1
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Volume: 96; Journal Issue: 3; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Hu, B., Molina, R., Döring, M., Mai, M., and Alexandru, A. Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations. United States: N. p., 2017.
Web. doi:10.1103/PhysRevD.96.034520.
Hu, B., Molina, R., Döring, M., Mai, M., & Alexandru, A. Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations. United States. doi:10.1103/PhysRevD.96.034520.
Hu, B., Molina, R., Döring, M., Mai, M., and Alexandru, A. Thu .
"Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations". United States. doi:10.1103/PhysRevD.96.034520. https://www.osti.gov/servlets/purl/1377015.
@article{osti_1377015,
title = {Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations},
author = {Hu, B. and Molina, R. and Döring, M. and Mai, M. and Alexandru, A.},
abstractNote = {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.},
doi = {10.1103/PhysRevD.96.034520},
journal = {Physical Review D},
number = 3,
volume = 96,
place = {United States},
year = {2017},
month = {8}
}
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