ITP OpenIR  > 理论物理所科研产出  > SCI期刊论文
Xie, JJ; Dong, YB; Cao, X; Xie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Role of the Lambda(+)(c) (2940) in the pi(-)p -> D(-)D(0)p reaction close to threshold
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractWe report on a theoretical study of the pi(-)p --> D(-)D(0)p reaction near threshold within an effective Lagrangian approach. The production process is described by t-channel D*(0) meson exchange, s-channel nucleon pole, and u-channel Sigma(++)(c) exchange. In our work, the final D(0)p results fromthe ground Lambda(+)(c) (2286) state and also dominantly from the excited Lambda(+)(c) (2286) state which is assumed as a D*(0)p molecular state with spin parity J(P) = 1/2(+) or 1/2(-). We calculate the total cross section of the pi(-)p --> D(-)D(0)p reaction. It is shown that the spin-parity assignment of 1/2(-) for Lambda(+)(c) (2286) gives a sizable enhancement for the total cross section in comparison with a choice of J(p) = 1/2(+). However, our theoretical result of the total cross section is sensitive to the value of the cutoff parameter involved in the formfactor of the exchanged off-shell particles. Moreover, we also calculate the second order differential cross section and find it can be used to determine the parity of the Lambda(+)(c) (2286). It is expected that our model calculations can be tested by future experiments at J-PARC in Japan.
2015
Volume92Issue:3Pages:34029
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.92.034029
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11475227, 10775148, 10975146, 11475192, 11035006, 11261130] ; National Natural Science Foundation of China [11475227, 10775148, 10975146, 11475192, 11035006, 11261130] ; National Natural Science Foundation of China [11475227, 10775148, 10975146, 11475192, 11035006, 11261130] ; National Natural Science Foundation of China [11475227, 10775148, 10975146, 11475192, 11035006, 11261130] ; DFG ; DFG ; DFG ; DFG ; NSFC [110] ; NSFC [110] ; NSFC [110] ; NSFC [110]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20888
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorXie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Recommended Citation
GB/T 7714
Xie, JJ,Dong, YB,Cao, X,et al. Role of the Lambda(+)(c) (2940) in the pi(-)p -> D(-)D(0)p reaction close to threshold[J]. PHYSICAL REVIEW D,2015,92(3):34029.
APA Xie, JJ,Dong, YB,Cao, X,&Xie, JJ .(2015).Role of the Lambda(+)(c) (2940) in the pi(-)p -> D(-)D(0)p reaction close to threshold.PHYSICAL REVIEW D,92(3),34029.
MLA Xie, JJ,et al."Role of the Lambda(+)(c) (2940) in the pi(-)p -> D(-)D(0)p reaction close to threshold".PHYSICAL REVIEW D 92.3(2015):34029.
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