Sigma-Meson from General Color Symmetry Model for Quantum Chromodynamics

Chin. Phys. Lett.

1997, Vol. 14

Issue (8): 573-576 DOI:

Original Articles

Sigma-Meson from General Color Symmetry Model for Quantum Chromodynamics

LÜ Xiao-fu^{1,3/sup>;LIU Yu-xin^2,3;ZOU Bing-song^3,5;DING Hui-ming^4,3;ZHAO En-gang³}

¹Department of Physics, Sichuan University, Chengdu 610064 ²Department of Physics, Peking University, Beijing 100871 ³Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080 ⁴Department of Physics, Jilin University, Changchun 130023 ⁵Queen Mary and Westfield College, London El 4NS, U. K.

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LÜ, Xiao-fu, /sup> et al 1997 Chin. Phys. Lett. 14 573-576

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Abstract The property of σ-meson or f₀ (400-1200) is studied in the general color symmetry model (GCM) for quantum chromodynamics. With recent determined values of m_σ, f_σ and f_π in GCM, the isoscalar ππ S-wave amplitude is calculated without any free parameter. The T-matrix pole for f₀ (400-1200) is found to be 1011- i 284MeV, which is very close to the Particle Data Group value (400-1200)-i(300-500) MeV.

Keywords: 24.85.+p 12.38.Lg

Published: 01 August 1997

PACS:	24.85.+p	(Quarks, gluons, and QCD in nuclear reactions)
	12.38.Lg	(Other nonperturbative calculations)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1997/V14/I8/0573

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	Xiao-fu
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	LIU Yu-xin
	ZOU Bing-song
	DING Hui-ming
	ZHAO En-gang

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