Charm spectroscopy on dynamical 2+1 flavor domain wall fermion lattices with a relativistic heavy quark action
Conference
·
OSTI ID:919459
We present a preliminary calculation of the charmonium spectrum using the dynamical 2+1 flavor $$24^3\times 64$$ domain wall fermion lattice configurations generated by the RBC and UKQCD collaborations. We use the relativistic heavy quark action with 3 parameters non-perturbatively determined by matching to experimental quantities. Chiral extrapolation is done on four light sea quark masses from 0.005 to 0.03, with $$m_s=0.04$$ and $$m_{res}=0.003$$. We can either predict meson masses assuming the lattice spacing is known from other methods, or calculate the lattice spacing using those quantities.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 919459
- Report Number(s):
- JLAB-THY-07-743; DOE/OR/23177-0197; arXiv:0710.0910; TRN: US0806408
- Resource Relation:
- Conference: 25th International Symposium on Lattice Field Theory, Regensburg, Germany, 30 Jul - 4 Aug 2007
- Country of Publication:
- United States
- Language:
- English
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