Chinese Physics C > 2013, Vol. 37 > Issue(2): 023102 DOI: 10.1088/1674-1137/37/2/023102

Mixing between the 2³S₁and 1³D₁D_s

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Abstract：
Mixing between the 2 ³ S ₁and 1 ³ D ₁D _sis studied within the ³ P ₀model. If mixing between these two 1 ^-states exists, D _s1 ^*(2700) ^±and D _sJ ^*(2860) ^±could be interpreted as the two orthogonal mixed states with mixing angle θ≈ -80° in the case of a special βfor each meson. However, in the case of a universal βfor all mesons, D _s1 ^*(2700) ^±could be interpreted as the mixed state of 2 ³ S ₁and 1 ³ D ₁with mixing angle 12° < θ< 21° but D _sJ ^*(2860) ^±seems difficult to interpret as the orthogonal partner of D _s1 ^*(2700) ^±.

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YUAN Ling, CHEN Bing and ZHANG Ai-Lin. Mixing between the 2 ³ S ₁and 1 ³ D ₁D _s[J]. Chinese Physics C, 2013, 37(2): 023102. doi: 10.1088/1674-1137/37/2/023102

YUAN Ling, CHEN Bing and ZHANG Ai-Lin. Mixing between the 2 ³ S ₁and 1 ³ D ₁D _s[J]. Chinese Physics C, 2013, 37(2): 023102. doi:10.1088/1674-1137/37/2/023102 shu

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Received: 2012-04-18
Revised: 2012-05-14

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沈阳化工大学材料科学与工程学院沈阳 110142

Mixing between the 2³S₁and 1³D₁D_s

Corresponding author:ZHANG Ai-Lin,

Received Date:2012-04-18
Accepted Date:2012-05-14
Available Online:2013-02-05

Abstract:Mixing between the 2³S₁and 1³D₁D_sis studied within the³P₀model. If mixing between these two 1^-states exists, D_s1^*(2700)^±and D_sJ^*(2860)^±could be interpreted as the two orthogonal mixed states with mixing angleθ≈ -80° in the case of a specialβfor each meson. However, in the case of a universalβfor all mesons, D_s1^*(2700)^±could be interpreted as the mixed state of 2³S₁and 1³D₁with mixing angle 12° <θ< 21° but D_sJ^*(2860)^±seems difficult to interpret as the orthogonal partner of D_s1^*(2700)^±.