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Determination of the positions and residues of the. delta. /sup + +/ and. delta. /sup 0/ poles. [Phase shifts,coulomb corrections]

Journal Article:

Abstract

The poles and the associated residues in the ..pi..N P/sub 33/ amplitude corresponding to the resonances ..delta../sup + +/ and ..delta../sup 0/ are determined by fitting the ..pi../sup +/p and ..pi../sup -/p hadronic phase shifts from the Carter 73 analysis. The ..delta../sup + +/ and ..delta../sup 0/ pole positions are determined also from the nuclear phase shifts, these being the phase shifts made up of the hadronic phase shifts plus the Coulomb corrections. The pole positions obtained from the two sets of phase shifts are different, the differences being larger in the case of the ..delta../sup + +/.
Authors:
Vasan, S S [1] 
  1. Carnegie-Mellon Univ., Pittsburgh, Pa. (USA). Dept. of Physics
Publication Date:
Apr 19, 1976
Product Type:
Journal Article
Reference Number:
AIX-07-262212; EDB-77-021546
Resource Relation:
Journal Name: Nucl. Phys., B; (Netherlands); Journal Volume: 106:3
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; DELTA-1236 RESONANCES; PARTICLE INTERACTIONS; PION MINUS-PROTON INTERACTIONS; SCATTERING AMPLITUDES; PION PLUS-PROTON INTERACTIONS; AMPLITUDES; COULOMB CORRECTION; COUPLING CONSTANTS; INTEGRAL CALCULUS; P WAVES; PHASE SHIFT; PION-NUCLEON INTERACTIONS; SINGULARITY; UNITARITY; BARYON RESONANCES; BARYONS; CORRECTIONS; ELEMENTARY PARTICLES; FERMIONS; HADRON-HADRON INTERACTIONS; HADRONS; INTERACTIONS; MATHEMATICS; MESON-BARYON INTERACTIONS; MESON-NUCLEON INTERACTIONS; N)RESONANCES; PARTIAL WAVES; PION-PROTON INTERACTIONS; RESONANCE PARTICLES; 645206* - High Energy Physics- Particle Interactions & Properties-Theoretical- Strong Interactions, Baryon No. = 1- (-1987)
OSTI ID:
7136924
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: NUPBB
Submitting Site:
INIS
Size:
Pages: 535-545
Announcement Date:

Journal Article:

Citation Formats

Vasan, S S. Determination of the positions and residues of the. delta. /sup + +/ and. delta. /sup 0/ poles. [Phase shifts,coulomb corrections]. Netherlands: N. p., 1976. Web.
Vasan, S S. Determination of the positions and residues of the. delta. /sup + +/ and. delta. /sup 0/ poles. [Phase shifts,coulomb corrections]. Netherlands.
Vasan, S S. 1976. "Determination of the positions and residues of the. delta. /sup + +/ and. delta. /sup 0/ poles. [Phase shifts,coulomb corrections]." Netherlands.
@misc{etde_7136924,
title = {Determination of the positions and residues of the. delta. /sup + +/ and. delta. /sup 0/ poles. [Phase shifts,coulomb corrections]}
author = {Vasan, S S}
abstractNote = {The poles and the associated residues in the ..pi..N P/sub 33/ amplitude corresponding to the resonances ..delta../sup + +/ and ..delta../sup 0/ are determined by fitting the ..pi../sup +/p and ..pi../sup -/p hadronic phase shifts from the Carter 73 analysis. The ..delta../sup + +/ and ..delta../sup 0/ pole positions are determined also from the nuclear phase shifts, these being the phase shifts made up of the hadronic phase shifts plus the Coulomb corrections. The pole positions obtained from the two sets of phase shifts are different, the differences being larger in the case of the ..delta../sup + +/.}
journal = {Nucl. Phys., B; (Netherlands)}
volume = {106:3}
journal type = {AC}
place = {Netherlands}
year = {1976}
month = {Apr}
}