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Phenomenological study on the decay widths of Upsilon(nS)->(d)over-bar*(2380)+X
Lv CY(吕超一); 王平(理); Dong YB(董宇兵); Shen PN(沈彭年); Zhang ZY(张宗烨); Lu, CY; Wang, P; Dong, YB; Shen, PN; Zhang, ZY; Li, DM
2018
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
EISSN2058-6132
Volume42Issue:6Pages:64102
SubtypeArticle
AbstractThe decay widths of Upsilon(nS) -> (d) over bar*(2380)+X with n=1,2,3 are studied in a phenomenological way. With the help of crossing symmetry, the decay widths are obtained by investigating the imaginary part of the forward scattering amplitudes between d* and Upsilon(nS). The wave functions of d* and deuteron obtained in previous studies are used for calculating the amplitude. The interaction between d* (d) and Upsilon is governed by the quark-meson interaction, where the coupling constant is determined by fitting the observed widths of Upsilon(nS) -> (d) over bar*+X. The numerical results show that the decay widths of Upsilon (nS) -> (d) over bar*+X are about 2-10 times smaller than that of (d) over bar*+X . The calculated momentum of (d) over bar* is in the range 0.3-0.8 GeV. Therefore, it is very likely that one can find (d) over bar* (2380) in these semi-inclusive decay processes.
KeywordUpsilon decay SU(3) chiral quark model (d)over-bar*(2380) production
DOI10.1088/1674-1137/42/6/064102
WOS KeywordQUARK-MODEL ; DELTA
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000433470900009
CSCD IDCSCD:6252784
ADS Bibcode2018ChPhC..42f4102L
AXRIV CODE1803
inspireid1663439
Citation statistics
Cited Times:1 [INSPIRE]
Cited Times:1 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/285977
Collection理论物理室
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Lv CY,Wang P,Dong YB,et al. Phenomenological study on the decay widths of Upsilon(nS)->(d)over-bar*(2380)+X[J]. CHINESE PHYSICS C,2018,42(6):64102.
APA 吕超一.,王平.,董宇兵.,沈彭年.,张宗烨.,...&Li, DM.(2018).Phenomenological study on the decay widths of Upsilon(nS)->(d)over-bar*(2380)+X.CHINESE PHYSICS C,42(6),64102.
MLA 吕超一,et al."Phenomenological study on the decay widths of Upsilon(nS)->(d)over-bar*(2380)+X".CHINESE PHYSICS C 42.6(2018):64102.
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