Chinese Physics C > 2015, Vol. 39 > Issue(6): 063101 DOI: 10.1088/1674-1137/39/6/063101

Systematic analysis of D_J(2580), D_J^(2650), D_J(2740), D_J^(2760), D_J(3000) and D_J^*(3000) in the D meson family

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In this work, we tentatively assign the charmed mesons D _J(2580), D _J ^*(2650), D _J(2740), D _J ^*(2760), D _J(3000) and D _J ^*(3000) observed by the LHCb collaboration according to their spin, parity and masses, then systematically study their strong decays to ground state charmed mesons plus pseudoscalar mesons with the ³ P ₀decay model. Based on these studies, we assign the D _J ^*(2760) as the 1 D(5/2)3 ^-state, the D _J ^*(3000) as the 1 F(5/2)2 ⁺or 1 F(7/2)4 ⁺state, the D _J(3000) as the 1 F(7/2)3 ⁺or 2 P(1/2)1 ⁺state in the D meson family. As a byproduct, we also study the strong decays of the states 2 P(1/2)0 ⁺, 2 P(3/2)2 ⁺, 3 S(1/2)1 ^-, 3 S(1/2)0 ^-etc, which will be valuable in searching for the partners of these D mesons.

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YU Guo-Liang, WANG Zhi-Gang, LI Zhen-Yu and MENG Gao-Qing. Systematic analysis of D _J(2580), D _J ^*(2650), D _J(2740), D _J ^*(2760), D _J(3000) and D _J ^*(3000) in the D meson family[J]. Chinese Physics C, 2015, 39(6): 063101. doi: 10.1088/1674-1137/39/6/063101

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Received: 2014-09-28
Revised: 2015-01-13

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沈阳化工大学材料科学与工程学院沈阳 110142

Systematic analysis of D_J(2580), D_J^(2650), D_J(2740), D_J^(2760), D_J(3000) and D_J^*(3000) in the D meson family

Corresponding author:YU Guo-Liang,

Corresponding author:WANG Zhi-Gang,

Received Date:2014-09-28
Accepted Date:2015-01-13
Available Online:2015-06-05

Abstract:In this work, we tentatively assign the charmed mesons D_J(2580), D_J^*(2650), D_J(2740), D_J^*(2760), D_J(3000) and D_J^*(3000) observed by the LHCb collaboration according to their spin, parity and masses, then systematically study their strong decays to ground state charmed mesons plus pseudoscalar mesons with the³P₀decay model. Based on these studies, we assign the D_J^*(2760) as the 1D(5/2)3^-state, the D_J^*(3000) as the 1F(5/2)2⁺or 1F(7/2)4⁺state, the D_J(3000) as the 1F(7/2)3⁺or 2P(1/2)1⁺state in the D meson family. As a byproduct, we also study the strong decays of the states 2P(1/2)0⁺, 2P(3/2)2⁺, 3S(1/2)1^-, 3S(1/2)0^-etc, which will be valuable in searching for the partners of these D mesons.