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Title: Updated determination of N * resonance parameters using a unitary, multichannel formalism

Abstract

Results are presented for an updated multichannel energy-dependent partial-wave analysis of πN scattering. Our earlier research incorporated single-energy amplitudes for πN→πN, γN→πN, πN→ππN, πN→ηN, and πN→KΛ. The present work incorporates new single-energy solutions for γp→ηp up to a center-of-mass (c.m.) energy of 1990 MeV, γp→K+Λ up to a c.m. energy of 2230 MeV, and γn→ηn up to a c.m. energy of 1885 MeV, as well as updated single-energy solutions for πN→ηN, πN→KΛ, and γN→πN. Here, we introduce and discuss the resonance parameters obtained from a combined fit of all these single-energy amplitudes. Our determined energy-dependent amplitudes support an excellent description of the corresponding measured observables.

Authors:
 [1];  [1]
  1. Kent State Univ., Kent, OH (United States)
Publication Date:
Research Org.:
Kent State Univ., Kent, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1515409
Alternate Identifier(s):
OSTI ID: 1514739
Grant/Contract Number:  
SC0014323; FG02-01ER41194
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 99; Journal Issue: 5; Related Information: http://link.aps.org/supplemental/10.1103/PhysRevC.99.055205; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Baryon Resonances; Partial-Wave Analyses

Citation Formats

Hunt, B. C., and Manley, D. M. Updated determination of N* resonance parameters using a unitary, multichannel formalism. United States: N. p., 2019. Web. doi:10.1103/PhysRevC.99.055205.
Hunt, B. C., & Manley, D. M. Updated determination of N* resonance parameters using a unitary, multichannel formalism. United States. doi:10.1103/PhysRevC.99.055205.
Hunt, B. C., and Manley, D. M. Mon . "Updated determination of N* resonance parameters using a unitary, multichannel formalism". United States. doi:10.1103/PhysRevC.99.055205.
@article{osti_1515409,
title = {Updated determination of N* resonance parameters using a unitary, multichannel formalism},
author = {Hunt, B. C. and Manley, D. M.},
abstractNote = {Results are presented for an updated multichannel energy-dependent partial-wave analysis of πN scattering. Our earlier research incorporated single-energy amplitudes for πN→πN, γN→πN, πN→ππN, πN→ηN, and πN→KΛ. The present work incorporates new single-energy solutions for γp→ηp up to a center-of-mass (c.m.) energy of 1990 MeV, γp→K+Λ up to a c.m. energy of 2230 MeV, and γn→ηn up to a c.m. energy of 1885 MeV, as well as updated single-energy solutions for πN→ηN, πN→KΛ, and γN→πN. Here, we introduce and discuss the resonance parameters obtained from a combined fit of all these single-energy amplitudes. Our determined energy-dependent amplitudes support an excellent description of the corresponding measured observables.},
doi = {10.1103/PhysRevC.99.055205},
journal = {Physical Review C},
number = 5,
volume = 99,
place = {United States},
year = {2019},
month = {5}
}

Journal Article:
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