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2016•Acta Physica Polonica B Proceedings SupplementRequires access

Reactions Looking for Hidden Charm Pentaquarks With or Without Strangeness

E. Oset, Hua-Xing Chen, A. Feijoo, Li‐Sheng Geng, Wei-Jiang Liang, D.-M. Li, Lu Jiang, V. K. Magas, J. Nieves, À. Ramos, L. Roca, En Wang, Ju-Jun Xie

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Abstract

Results for five reactions, Lambda(b) -> J/psi K(-)p, Lambda(b) -> J/psi eta Lambda, Lambda(b)-> J/psi pi(-)p, Lambda(b) -> J/psi K-0 Lambda and Xi(-)(b) -> J/psi K-Lambda are presented on predictions made for molecular states of hidden charm, with or without strangeness, evaluating invariant mass distributions for J/psi p or J/psi Lambda. We show that in all of these reactions, one finds peaks where the pentaquark states show up.

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What this paper is about

Results for five reactions, Lambda(b) -> J/psi K(-)p, Lambda(b) -> J/psi eta Lambda, Lambda(b)-> J/psi pi(-)p, Lambda(b) -> J/psi K-0 Lambda and Xi(-)(b) -> J/psi K-Lambda are presented on predictions made for molecular states of hidden charm, with or without strangeness, evaluating invariant mass distributions for J/psi p or J/psi Lambda. We show that in all of these reactions, one finds peaks where the pentaquark states show up.

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Available abstract

Results for five reactions, Lambda(b) -> J/psi K(-)p, Lambda(b) -> J/psi eta Lambda, Lambda(b)-> J/psi pi(-)p, Lambda(b) -> J/psi K-0 Lambda and Xi(-)(b) -> J/psi K-Lambda are presented on predictions made for molecular states of hidden charm, with or without strangeness, evaluating invariant mass distributions for J/psi p or J/psi Lambda. We show that in all of these reactions, one finds peaks where the pentaquark states show up.

Key concepts: Strangeness, Charm (quantum number), Particle physics, Physics, Nuclear physics, Hadron

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