ITP OpenIR  > 理论物理所2017年知识产出
Study of the excited 1(-) charm and charm-strange mesons
Li, Q; Jiang, Y; Wang, TH; Yuan, H; Wang, GL; Chang, CH; Li, Q (reprint author), Harbin Inst Technol, Harbin 150001, Peoples R China.
2017
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号77期号:5页码:297
文章类型Article
摘要We give a systematical study on the recently reported excited charm and charm-strange mesons with potential 1(-) spin-parity, including the D-s1*(2700)(+), D*(2860)(+), D-1*(2600)(0), D*(2650), D*(2680)(0) and D-s1* (2760)(0). The main strong decay properties are obtained in the framework of Bethe-Salpeter (BS) methods. Our results reveal that the two 1(-) charm-strange mesons can be well described by the further 2(3)S(1)-1(3)D(1) mixing scheme with a mixing angle of (8.7(-3.2)(+3.9))degrees. The predicted decay ratio B(D*K)/B(D K) for D-s1*(2860) is 0.62(-0.12)(+0.22). D*(2600)(0) can also be explained as the 23S1 predominant state with a mixing angle of -(7.5(-3.3)(+4.0))degrees. Considering the mass range, D*(2650)(0) and D-1*(2680)(0) are more likely to be the 2(3)S(1) predominant states, although the total widths under the two 2(3)S(1) and 1(3)D(1) assignments have no great conflict with the current experimental data. The calculated width for the LHCb D-1*(2760)(0) seems to be about 100 MeV larger than the experimental measurement if taking it as 1(3)D(1) or 1(3)D(1) dominant state c (u) over bar. The comparisons with other calculations and several important decay ratios are also presented. For the identification of these 1(-) charm mesons, further experimental information, such as B(D pi)/B(D*pi), is necessary.
学科领域Physics
资助者National Natural Science Foundation of China (NSFC) [114050-37, 11575048, 11505039, 11447601, 11535002, 11675239] ; National Natural Science Foundation of China (NSFC) [114050-37, 11575048, 11505039, 11447601, 11535002, 11675239] ; PIRS of HIT [T201405, A201409, B201506] ; PIRS of HIT [T201405, A201409, B201506] ; National Natural Science Foundation of China (NSFC) [114050-37, 11575048, 11505039, 11447601, 11535002, 11675239] ; National Natural Science Foundation of China (NSFC) [114050-37, 11575048, 11505039, 11447601, 11535002, 11675239] ; PIRS of HIT [T201405, A201409, B201506] ; PIRS of HIT [T201405, A201409, B201506]
DOIhttp://dx.doi.org/10.1140/epjc/s10052-017-4865-y
关键词[WOS]BETHE-SALPETER METHOD ; P-WAVE MESONS ; STRONG DECAYS ; HEAVY-QUARK ; B-C ; EQUATION ; CONSTANTS
语种英语
资助者National Natural Science Foundation of China (NSFC) [114050-37, 11575048, 11505039, 11447601, 11535002, 11675239] ; National Natural Science Foundation of China (NSFC) [114050-37, 11575048, 11505039, 11447601, 11535002, 11675239] ; PIRS of HIT [T201405, A201409, B201506] ; PIRS of HIT [T201405, A201409, B201506] ; National Natural Science Foundation of China (NSFC) [114050-37, 11575048, 11505039, 11447601, 11535002, 11675239] ; National Natural Science Foundation of China (NSFC) [114050-37, 11575048, 11505039, 11447601, 11535002, 11675239] ; PIRS of HIT [T201405, A201409, B201506] ; PIRS of HIT [T201405, A201409, B201506]
WOS类目Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22059
专题理论物理所2017年知识产出
通讯作者Li, Q (reprint author), Harbin Inst Technol, Harbin 150001, Peoples R China.
推荐引用方式
GB/T 7714
Li, Q,Jiang, Y,Wang, TH,et al. Study of the excited 1(-) charm and charm-strange mesons[J]. EUROPEAN PHYSICAL JOURNAL C,2017,77(5):297.
APA Li, Q.,Jiang, Y.,Wang, TH.,Yuan, H.,Wang, GL.,...&Li, Q .(2017).Study of the excited 1(-) charm and charm-strange mesons.EUROPEAN PHYSICAL JOURNAL C,77(5),297.
MLA Li, Q,et al."Study of the excited 1(-) charm and charm-strange mesons".EUROPEAN PHYSICAL JOURNAL C 77.5(2017):297.
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