
Analysis of the $P_c(4312)$, $P_c(4440)$, $P_c(4457)$ and related ...
2019年5月7日 · View a PDF of the paper titled Analysis of the $P_c(4312)$, $P_c(4440)$, $P_c(4457)$ and related hidden-charm pentaquark states with QCD sum rules, by Zhi-Gang …
Observation of a Narrow Pentaquark State, , and of the Two-Peak ...
2019年6月5日 · A narrow pentaquark state, P c (4312) +, decaying to J / ψ p, is discovered with a statistical significance of 7.3 σ in a data sample of Λ b 0 → J / ψ p K − decays, which is an …
[1904.10021] Interpretation of the LHCb Pc(4312) Signal
2019年4月22日 · We study the nature of the new signal reported by LHCb in the J/psi p spectrum. Based on the S-matrix principles, we perform a minimum-bias analysis of the underlying …
[1904.03947] Observation of a narrow pentaquark state, $P_c (4312 ...
2019年4月8日 · A narrow pentaquark state, Pc(4312)+, decaying to J/ψp is discovered with a statistical significance of 7.3σ in a data sample of Λ0 b → J/ψpK− decays which is an order of …
奇特粒子再发现:清华工物系团队的夸克解秘之旅-清华大学
2019年5月10日 · 2019年3月26日,LHCb国际合作实验再次宣布,发现了一个新的五夸克态Pc (4312)。 除此之外,在利用更大的数据量研究2015年发现的五夸克态粒子Pc (4450)时,他们 …
Anatomy of the newly observed hidden-charm pentaquark states: Pc(4312 ...
2019年6月10日 · The first notable finding from the updated measurements is that a new hidden-charm pentaquark state P c (4312) is observed with the mass 4311.9 ± 0.7 − 0.6 + 6.8 MeV …
五夸克态新观察:Pc(4312)、Pc(4440)与Pc(4457)的深入 …
2024年9月3日 · 在有效范围扩展和共振复合关系的理论框架下,研究人员分析了这些粒子的性质。 首先,通过利用Pc(4312)、Pc(4440)和Pc(4457)的质量和宽度的实验数据,计算了S …
P c ( 4312 ) + and P c ( 4337 ) + as interfering Σ c D - ResearchGate
2021年11月29日 · The recent LHCb data on Bs0→J/ψpp¯ revealed a new pentaquark-like Pc (4337)+ structure, while finding no evidence for Pc (4312)+ discovered earlier in …
Electromagnetic properties of the Pc (4312) pentaquark state
2021年2月1日 · Using the light-cone QCD sum rules, we evaluate the magnetic moment of the pentaquark state by considering both the molecular and diquark-diquark-antiquark state, with …
Exotic states Pc (4312), Pc (4440), and Pc (4457) in pp collisions at …
2022年3月1日 · 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 …