2021
DOI: 10.48550/arxiv.2107.03773
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Photoproduction of possible pentaquark states $Λ^0_b(5912)$ and $Λ^0_b(5920)$ in the $γp\to{}Λ_b^{0(*)}B^+$ reactions

Yin Huang,
Hong Qiang Zhu

Abstract: In this work, we report on a theoretical study of possible pentaquark states Λ 0 b (5912) and Λ 0 b (5920) in the γp → Λ 0( * ) b B + reactions within an effective Lagrangian approach. In addition to the contributions from the schannel nucleon pole and t-channel B * − exchange, the contact term contribution are also included. Our theoretical approach is based on the chiral unitary theory where the Λ 0 b (5912) and Λ 0 b (5920) resonances are dynamically generated. Within the coupling constants of the Λ 0 b (59… Show more

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“…For instance, the pentaquark states with bottom quark were probed in Refs. [14,75,[103][104][105][106][107]. The pentaquark candidates with single or triple charm quark were investigated in Ref.…”
Section: Introductionmentioning
confidence: 99%
“…For instance, the pentaquark states with bottom quark were probed in Refs. [14,75,[103][104][105][106][107]. The pentaquark candidates with single or triple charm quark were investigated in Ref.…”
Section: Introductionmentioning
confidence: 99%