AbstractDeprecated: Function eregi_replace() is deprecated in /www/htdocs/Fakultaeten/nat_Fak_II/lat07/scripts/get_abstract.php on line 69
Pion mass difference from vacuum polarization
Presenter: Eigo Shintani — KEK
E. Shintani, H. Fukaya, S. Hashimoto, J. Noaki, T. Onogi, N. Yamada (for JLQCD Collaboration)
We report on a calculation of the π+-π0 mass splitting, obtained from the vacuum polarization tensors using the DGLMY (Das-Gralnik-Low-Mathur-Young) sum rule. Since the reliable calculation requires exact chiral symmetry, we use the overlap fermion for both sea and valence quarks.
© 2006, University of Regensburg, Dept. of Physicscontact: lat07 at physik.uni-regensburg.de