Light scalar mesons in 2+1 flavor full QCD

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We study the a0 and K0 light scalar mesons in 2+1 flavor full QCD. Particular attention is paid to fitting excited states, with an eye toward determining whether scattering states are revealed. An ultimate goal will be to see how dynamical quarks affect the picture outlined with an earlier quenched study using overlap fermions, namely, that it is the a0(1450), not the a0(980), which is the lowest qq isovector scalar state.

Original languageEnglish
JournalProceedings of Science
StatePublished - 2008
Event26th International Symposium on Lattice Field Theory, LATTICE 2008 - Williamsburg, United States
Duration: Jul 14 2008Jul 19 2008

Bibliographical note

Funding Information:
∗This research is supported in part by the U.S. Department of Energy under grant DE-FG05-84ER40154. The research of N.M. is supported in part by DST-SR/S2/RJN-19/2007 (India). We thank CP-PACS/JLQCD for the use of their dynamical configurations. We thank S. Prelovsek and A. Hasenfratz for important and interesting discussions. †Speaker.

Publisher Copyright:
© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.

ASJC Scopus subject areas

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