Towards the glueball spectrum from unquenched lattice QCD

Aug, 2012
19 pages
Published in:
  • JHEP 10 (2012) 170
e-Print:

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Abstract: (arXiv)
We 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.
Note:
  • 19 pages, 4 tables and 8 figures. One figure added. Now matches the published version
  • glueball: scattering
  • fermion: staggered
  • flavor: 1
  • pi: mass
  • lattice field theory
  • variational