Mass spectra, wave functions and mixing effects of the (bcq) baryons

doi:10.1140/epjc/s10052-022-10006-8

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	Mass spectra, wave functions and mixing effects of the (bcq) baryons
	Li, Qiang ; Chao-Hsi Chang ; Si-Xue Qin ; Guo-Li Wang
刊名	EUROPEAN PHYSICAL JOURNAL C
	2022
卷号	82 期号:1 页码:60
关键词	BETHE-SALPETER-EQUATION AVERAGE KINETIC-ENERGY DOUBLY HEAVY BARYONS STATIC PROPERTIES FORM-FACTORS QUARK CHARMONIUM NUCLEON DECAYS QCD
ISSN号	1434-6044
DOI	10.1140/epjc/s10052-022-10006-8
英文摘要	Mass spectra and wave functions of the JP = (bcq) baryons are calculated by the relativistic Bethe Salpeter equation (BSE) with considering the mixing effects between the 1+ and 0+ (bc)-diquarks inside, Based on the diquark picture, the three -body problem of baryons is transformed into two two -body problems. The BSE and wave functions of the 0+ diquark are given, and then solved numerically to obtain the effective mass spectra and form factors. Also we present the wave functions at zero point for the (bc)diquark. Considering the obtained diquark form factors, the (bcq) baryons are then described by the BSE as the bound state of a diquark and a light quark, where the interaction kernel includes the inner transitions between the 0+ and 1+ diquarks. The general wave function of the 1+ (bcq) baryons is constructed and solved to obtain the corresponding mass spectra. Especially, by using the obtained wave functions, the mixing effects between Ebc(S2b,) and E;,c(S2icc) in ground states are computed and determined to be small( 1%). The numerical results indicate that it is a good choice to take Ebc and E as the baryon states with the inside (bc)-diquarks occupying the definite spin.
学科主题	Physics
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/27792]
专题	理论物理研究所_理论物理所1978-2010年知识产出
作者单位	1.CCAST World Lab, POB 8730, Beijing 100190, Peoples R China 2.Hebei Univ, Dept Phys, Baoding 071002, Peoples R China 3.Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China 4.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China 5.Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China 6.Northwestern Polytech Univ, Sch Phys Sci & Technol, Xian 710072, Peoples R China
推荐引用方式 GB/T 7714	Li, Qiang,Chao-Hsi Chang,Si-Xue Qin,et al. Mass spectra, wave functions and mixing effects of the (bcq) baryons[J]. EUROPEAN PHYSICAL JOURNAL C,2022,82(1):60.
APA	Li, Qiang,Chao-Hsi Chang,Si-Xue Qin,&Guo-Li Wang.(2022).Mass spectra, wave functions and mixing effects of the (bcq) baryons.EUROPEAN PHYSICAL JOURNAL C,82(1),60.
MLA	Li, Qiang,et al."Mass spectra, wave functions and mixing effects of the (bcq) baryons".EUROPEAN PHYSICAL JOURNAL C 82.1(2022):60.