ITP OpenIR  > 理论物理所2015年知识产出
Role of the Lambda(+)(c) (2940) in the pi(-)p -> D(-)D(0)p reaction close to threshold
Xie, JJ; Dong, YB; Cao, X; Xie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
2015
发表期刊PHYSICAL REVIEW D
卷号92期号:3页码:34029
文章类型Article
摘要We 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.
学科领域Astronomy & Astrophysics ; Physics
资助者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 ; NSFC [110] ; NSFC [110] ; 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 ; NSFC [110] ; NSFC [110]
DOIhttp://dx.doi.org/10.1103/PhysRevD.92.034029
关键词[WOS]RESONANCE MODEL ; NUCLEON ; STATE
收录类别SCI
语种英语
资助者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 ; NSFC [110] ; NSFC [110] ; 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 ; NSFC [110] ; NSFC [110]
WOS类目Astronomy & Astrophysics ; 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/311006/20888
专题理论物理所2015年知识产出
通讯作者Xie, JJ (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
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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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