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Title: Electromagnetic effects on the light hadron spectrum

Calculations studying electromagnetic effects on light mesons are reported. The calculations use fully dynamical QCD, but only quenched photons, which suffices to NLO in χPT; that is, the sea quarks are electrically neutral, while the valence quarks carry charge. The non-compact formalism is used for photons. New results are obtained with lattice spacing as small as 0.045 fm and a large range of volumes. The success of chiral perturbation theory in describing these results and the implications for light quark masses are considered.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [4] ;  [6] ;  [7] ;  [3] ;  [8] ;  [4] ;  [4] ;  [9] ;  [10] ;  [4] ;  [11] ;  [12] ;  [12]
  1. NISER, Orissa (India)
  2. Univ. of Iowa, Iowa City, IA (United States)
  3. Washington Univ., St. Louis, MO (United States)
  4. Univ. of Utah, Salt Lake City, UT (United States)
  5. School of the Art Institute of Chicago, Chicago, IL (United States)
  6. Indiana Univ., Bloomington, IN (United States)
  7. American Physical Society, Ridge, NY (United States)
  8. Syracuse Univ., Syracuse, NY (United States)
  9. Argonne National Lab. (ANL), Argonne, IL (United States)
  10. Univ. of California, Santa Barbara, CA (United States)
  11. Univ. of Arizona, Tucson, AZ (United States)
  12. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
OSTI Identifier:
1226327
Report Number(s):
FERMILAB-CONF--15-428-T
Journal ID: ISSN 1742-6588; arXiv eprint number arXiv:1510.04997
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
Journal of Physics. Conference Series
Additional Journal Information:
Journal Volume: 640; Conference: 26th Conference on Computational Physics, Boston, MA (United States), 11-14 Aug 2014; Journal ID: ISSN 1742-6588
Publisher:
IOP Publishing
Research Org:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
Collaboration MILC
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS