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Light Hadron Masses in Quantum Chromodynamics with Valence Wilson Quarks at β = 6.25 from a Parallel PC Cluster |
| MEI Zhong-Hao1; LUO Xiang-Qian1;Eric B. GREGORY1,2 |
| 1Department of Physics, Zhongshan University, Guangzhou 510275
2Department of Physics, University of Arizona, Tucson, AZ 85721, USA
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| Cite this article: |
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MEI Zhong-Hao, LUO Xiang-Qian, Eric B. GREGORY 2002 Chin. Phys. Lett. 19 636-639 |
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Abstract We present the results for π, ρ, proton and Δ masses from our recently built Pentium cluster and compare with the quenched Wilson fermion data presented by MILC and GF11 collaborations [Nucl.Phys.B (Proc.Suppl.) 60A(1998)3, Nucl. Phys. B 430(1994)179] at β = 6/g2 = 5.7 and 5.85 on the 83 x 32 lattice. New data are shown at β = 6.25 on the 123 x 36 and 163 x 32 lattices. Such a larger β value is useful for extrapolating the lattice results to the continuum limit. The smearing technique is systematically investigated and can greatly improve the spectrum data.
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| Keywords:
11.15.Ha
12.38.Gc
02.70.Lq
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Published: 01 May 2002
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