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2010-01-27

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/133443

Disentangling the Dynamical Origin of P11 Nucleon Resonances

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https://doi.org/10.1103/PhysRevLett.104.042302

Abstract

We show that two almost degenerate poles near the π Δ threshold and the next higher mass pole in the P 11 partial wave of π N scattering evolve from a single bare state through its coupling with π N , η N , and π π N reaction channels. This finding provides new information on understanding the dynamical origins of the Roper N ∗ ( 1440 ) and N ∗ ( 1710 ) resonances listed by Particle Data Group. Our results for the resonance poles in other π N partial waves are also presented.

Subject

Física de partícules, Massa (Física)

Subject (English)

Particle physics, Mass (Physics)

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Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))

Citation

SUZUKI, N., et al. Disentangling the Dynamical Origin of P11 Nucleon Resonances. Physical Review Letters. 2010. Vol. 104, num. 4, pags. 042302. ISSN 0031-9007. [consulted: 7 of August of 2026]. Available at: https://hdl.handle.net/2445/133443

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