Quenched Charmed Meson Spectra Using Tadpole Improved Quark Action on Anisotropic Lattices

Chin. Phys. Lett.

2005, Vol. 22

Issue (9): 2198-2200 DOI:

Original Articles

Quenched Charmed Meson Spectra Using Tadpole Improved Quark Action on Anisotropic Lattices

LIU Liu-Ming;SU Shi-Quan;LI Xin;LIU Chuan

School of Physics, Peking University, Beijing 100871

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LIU Liu-Ming, SU Shi-Quan, LI Xin et al 2005 Chin. Phys. Lett. 22 2198-2200

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Abstract Charmed meson charmonium spectra are studied with improved quark actions on anisotropic lattices. We measured the pseudo-scalar and vector meson dispersion relations for four lowest lattice momentum modes with quark mass values ranging from the strange quark to charm quark with three different values of gauge coupling β and four different values of bare speed of light v. With the bare speed of light parameter v tuned in a mass-dependent way, we study the mass spectra of D, D_s, η_c, D^*, D_x^* and J/ψ mesons. The results extrapolated to the continuum limit are compared with the experiment, and a qualitative agreement is found.

Keywords: 12.38.Gc 11.15.Ha

Published: 01 September 2005

PACS:	12.38.Gc	(Lattice QCD calculations)
	11.15.Ha	(Lattice gauge theory)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I9/02198

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	SU Shi-Quan
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