Review of the low-lying excited baryons Σ*(1/2−)

E Wang, LS Geng, JJ Wu, JJ Xie… - Chinese Physics …, 2024 - iopscience.iop.org
Strong empirical and phenomenological indications exist for large sea-quark admixtures in
the low-lying excited baryons. Investigating the low-lying excited baryon Σ*(1/2−) is …

Differential photoproduction cross sections of the , , and

K Moriya, RA Schumacher, KP Adhikari… - Physical Review C …, 2013 - APS
We report the exclusive photoproduction cross sections for the Σ 0 (1385), Λ (1405), and Λ
(1520) in the reactions γ+ p→ K++ Y* using the CLAS detector for energies from near the …

Possibility to study the pentaquark states , , and in the reaction

XY Wang, XR Chen, J He - Physical Review D, 2019 - APS
Inspired by the observation of the pentaquark states P c (4312), P c (4440), and P c (4457) at
LHCb, photoproduction of these three P c states via the interaction γ p→ J/ψ p is …

Photoproduction of Λ (1405) and Σ 0 (1385) on the proton at E γ= 1. 5-2. 4 GeV

M Niiyama, H Fujimura, DS Ahn, JK Ahn, S Ajimura… - Physical Review C …, 2008 - APS
Differential cross sections for γ p→ K+ Λ (1405) and γ p→ K+ Σ 0 (1385) reactions have
been measured in the photon energy range from 1.5 to 2.4 GeV and the angular range of 0 …

Searching for strange hidden-charm pentaquark state in reaction

C Cheng, F Yang, Y Huang - Physical Review D, 2021 - APS
We investigate the possibility of studying the strange hidden-charm pentaquark state P cs
(4459) by photon-induced reactions on a proton target in an effective Lagrangian approach …

[HTML][HTML] Disentangling the hadronic molecule nature of the Pc (4380) pentaquark-like structure

CW Shen, FK Guo, JJ Xie, BS Zou - Nuclear Physics A, 2016 - Elsevier
We demonstrate that the relative ratio of the decays of hidden charm pentaquark-like
structure P c+(4380) to D¯⁎ Λ c+ and J/ψ p is very different for P c+ being D¯ Σ c⁎(2520) or …

Decay behaviors of the hadronic molecules

YH Lin, CW Shen, FK Guo, BS Zou - Physical Review D, 2017 - APS
The P c (4380) and P c (4450) states observed recently by the LHCb experiment were
proposed to be either D¯ Σ c* or D¯* Σ c bound states. We analyze the decay behaviors of …

[HTML][HTML] Search for the K− pp bound state via γd→ K+ π− X reaction at Eγ= 1.5–2.4 GeV

AO Tokiyasu, M Niiyama, JD Parker, DS Ahn, JK Ahn… - Physics Letters B, 2014 - Elsevier
A search for the K− pp bound state (the lightest kaonic nucleus) has been performed using
the γ d→ K+ π− X reaction at E γ= 1.5–2.4 GeV at LEPS/SPring-8. The differential cross …

Strange molecular partners of states in the reaction

SM Wu, F Wang, BS Zou - Physical Review C, 2023 - APS
Based on the high-statistics data of the CLAS Collaboration on the γ p→ ϕ p reaction in the
center-of-mass energy range of 2.2 GeV to 2.8 GeV, we investigate the possible existence of …

[HTML][HTML] Pion-induced production of hidden-charm pentaquarks Pc (4312), Pc (4440), and Pc (4457)

XY Wang, J He, XR Chen, Q Wang, X Zhu - Physics Letters B, 2019 - Elsevier
The production of the hidden-charm pentaquarks via a pion-induced reaction on a proton
target is investigated within an effective Lagrangian approach. Three experimentally …