Regarding the Ground Scalar Mesons

LI De-Min; LIU Yun-Hu

Chinese Physics C> 2006, Vol. 30> Issue(12) : 1211-1217

Regarding the Ground Scalar Mesons

LI De-Min ^, ,
LIU Yun-Hu

Department of Physics, Zhengzhou University, Zhengzhou 450052, China

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Abstract：
Based on the main assumption that the a₀(980) and D^*_sJ(2317) belong to the 1 ³P₀ qq multiplet, the masses of the states belong to the 1 ³P₀ qq multiplet are estimated in the quasi-linear Regge trajectory ansatz. In the framework of meson-meson mixing, it is suggested that the a₀(980), K^*₀(1052), f₀(1099) and f₀(530) constitute the ground scalar meson nonet, and that the f₀(1099) is composed mostly of ss while the f₀(530) is mainly uu+dd. It is supposed that these states would likely correspond to the observed scalar states a₀(980),κ(900), f₀(980) and f₀(600)/σ, respectively. Also, in the glueball-dominace picture, the mass of the ground scalar glueball is estimated to be about 1340MeV. The agreement between the present findings and those given by other different approaches is satisfactory.

References

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LI De-Min and LIU Yun-Hu. Regarding the Ground Scalar Mesons[J]. Chinese Physics C, 2006, 30(12): 1211-1217.

LI De-Min and LIU Yun-Hu. Regarding the Ground Scalar Mesons[J]. Chinese Physics C, 2006, 30(12): 1211-1217. shu

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Received: 2006-07-10
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Regarding the Ground Scalar Mesons

Corresponding author: LI De-Min,

Department of Physics, Zhengzhou University, Zhengzhou 450052, China

Received Date: 2006-07-10

Accepted Date: 1900-01-01

Available Online: 2006-12-05

Abstract: Based on the main assumption that the a₀(980) and D^*_sJ(2317) belong to the 1 ³P₀ qq multiplet, the masses of the states belong to the 1 ³P₀ qq multiplet are estimated in the quasi-linear Regge trajectory ansatz. In the framework of meson-meson mixing, it is suggested that the a₀(980), K^*₀(1052), f₀(1099) and f₀(530) constitute the ground scalar meson nonet, and that the f₀(1099) is composed mostly of ss while the f₀(530) is mainly uu+dd. It is supposed that these states would likely correspond to the observed scalar states a₀(980),κ(900), f₀(980) and f₀(600)/σ, respectively. Also, in the glueball-dominace picture, the mass of the ground scalar glueball is estimated to be about 1340MeV. The agreement between the present findings and those given by other different approaches is satisfactory.

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Regarding the Ground Scalar Mesons

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