期刊
PHYSICAL REVIEW D
卷 105, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.105.054013
关键词
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资金
- National Natural Science Foundation of China (NSFC) [12005196]
- Fundamental Research Funds for the Central Universities [G1323519234]
- NSFC [11475149]
The exotic resonant states p(c)(+/-)(4312), p(c)(+/-)(4440), and p(c)(+/-)(4457) have been studied using the constrained phase-space coalescence model and the PACIAE model. Predictions about the yields for different possible structures are presented, indicating that they are all on the order of 10(-6). These predictions can be tested by future experimental measurements.
The exotic resonant states p(c)(+/-)(4312), p(c)(+/-)(4440), and p(c)(+/-)(4457) are studied using the constrained phase-space coalescence model plus the parton and hadron cascade (PACIAE) model in pp collisions at root s = 7, 13 TeV, respectively. The pentaquark states, the nucleuslike states, and the hadronic molecular states are considered as their possible structures based on the p(c)(+/-) -> J/psi p((p) over bar) bound state. The predictions about the yield, the normalized p(T)-differential yield, and the normalized rapidity-differential yield are presented for the aforementioned scenarios. The results indicate a hierarchy of the yields for different possible structures; they are all on the order of 10(-6). These predictions can be tested by future experimental measurements.
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