Towards the glueball spectrum from unquenched lattice QCD

E. Gregory,A. Irving,B. Lucini,C. McNeile,A. Rago,C. Richards,E. Rinaldi

Published 2012 in Journal of High Energy Physics

ABSTRACT

A bstractWe use a variational technique to study heavy glueballs on gauge configurations generated with 2+1 flavours of ASQTAD improved staggered fermions. The variational technique includes glueball scattering states. The measurements were made using 2150 configurations at 0.092 fm with a pion mass of 360 MeV. We report masses for 10 glueball states. We discuss the prospects for unquenched lattice QCD calculations of the oddballs.

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