Chinese Physics C > 2017, Vol. 41 > Issue(8): 083107 DOI: 10.1088/1674-1137/41/8/083107

Study of radially excited D_s(2¹S₀) and D_s(3P)

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Department of Physics, Shanghai University, Shanghai 200444, China

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Abstract：
The unobserved J ^P=0 ^-radial excitation D _s(2 ¹ S ₀) is anticipated to have mass 2650 MeV (denoted as D _s(2650)). Study of hadronic production is an important way to identify highly excited states. We study hadronic production of D _s(2650) from higher excited resonances in a ³ P ₀model. Relevant hadronic partial decay widths are found to be very small, which implies it is difficult to observe D _s(2650) in hadronic decays of higher excited resonances. Hadronic decay widths of radially excited D _s(3 P) have also been estimated. The total decay widths of four D _s(3 P) are large, but the branching ratios in the D _s(2650) ηchannel are very small, which implies that it seems impossible to observe D _s(2650) in hadronic decays of D _s(3 P). The dominant decay channels of the four D _s(3 P) have been pointed out, and D ₁(2420), D ₁(2430), m D ₂ ^*(2460), m D(2550), m D(2600), m (1 ¹D ₂)D(2750) and m D ₃ ^*(2760) are possible to observe in hadronic production from D _s(3 P).
- 3P0 model,
- Hadronic decay,
- Ds(2650),
- Ds(3P)

References

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Yu Tian, Ze Zhao and Ai-Lin Zhang. Study of radially excited D _s(2 ¹ S ₀) and D _s(3 P)[J]. Chinese Physics C, 2017, 41(8): 083107. doi: 10.1088/1674-1137/41/8/083107

Yu Tian, Ze Zhao and Ai-Lin Zhang. Study of radially excited D _s(2 ¹ S ₀) and D _s(3 P)[J]. Chinese Physics C, 2017, 41(8): 083107. doi:10.1088/1674-1137/41/8/083107 shu

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Received: 2017-04-11

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Supported by National Natural Science Foundation of China (11475111)

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通讯作者:陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Study of radially excited D_s(2¹S₀) and D_s(3P)

Corresponding author:Yu Tian,

Corresponding author:Ze Zhao,

Corresponding author:Ai-Lin Zhang,

1. Department of Physics, Shanghai University, Shanghai 200444, China

Received Date:2017-04-11

Available Online:2017-08-05

Fund Project:Supported by National Natural Science Foundation of China (11475111)

Abstract:The unobservedJ^P=0^-radial excitation D_s(2¹S₀) is anticipated to have mass 2650 MeV (denoted as D_s(2650)). Study of hadronic production is an important way to identify highly excited states. We study hadronic production of D_s(2650) from higher excited resonances in a³P₀model. Relevant hadronic partial decay widths are found to be very small, which implies it is difficult to observe D_s(2650) in hadronic decays of higher excited resonances. Hadronic decay widths of radially excited D_s(3P) have also been estimated. The total decay widths of four D_s(3P) are large, but the branching ratios in the D_s(2650)ηchannel are very small, which implies that it seems impossible to observe D_s(2650) in hadronic decays of D_s(3P). The dominant decay channels of the four D_s(3P) have been pointed out, and D₁(2420), D₁(2430), m D₂^*(2460), m D(2550), m D(2600), m (1¹D₂)D(2750) and m D₃^*(2760) are possible to observe in hadronic production from D_s(3P).

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Study of radially excited D_s(2¹S₀) and D_s(3P)

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通讯作者:陈斌, bchen63@163.com

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