Published February 1, 2011
| Version v1
Journal article
The reaction π+p→K+Σ+ in a unitary coupled-channels model
- 1. Institut fuer Kernphysik and Juelich Center for Hadron Physics, Forschungszentrum Juelich, D-52425 Juelich (Germany)
- 2. Department of Physics and Astronomy, University of Georgia, Athens, GA 30602 (United States)
- 3. Helmholtz-Institut fuer Strahlen- und Kernphysik (Theorie) and Bethe Center for Theoretical Physics, Universitaet Bonn, Nussallee 14-16, D-53115 Bonn (Germany)
Description
Elastic πN scattering and the reaction π+p→K+Σ+ are described simultaneously in a unitary coupled-channels approach which respects analyticity. SU(3) flavor symmetry is used to relate the t- and u-channel exchanges that drive the meson-baryon interaction in the different channels. Angular distributions, polarizations, and spin-rotation parameters are compared with available experimental data. The pole structure of the amplitudes is extracted from the analytic continuation.
Availability note (English)
Available from http://dx.doi.org/10.1016/j.nuclphysa.2010.12.010Additional details
Identifiers
- DOI
- 10.1016/j.nuclphysa.2010.12.010;
- arXiv
- arXiv:1009.3781v2;
- PII
- S0375-9474(10)00760-8;
Publishing Information
- Journal Title
- Nuclear Physics. A
- Journal Volume
- 851
- Journal Issue
- 1
- Journal Page Range
- p. 58-98
- ISSN
- 0375-9474
- CODEN
- NUPABL
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 42055049
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ANGULAR DISTRIBUTION; BARYON SPECTROSCOPY; COUPLED CHANNEL BORN APPROXIMATION; COUPLED CHANNEL THEORY; ELASTIC SCATTERING; FLAVOR MODEL; KAONS PLUS; MESON-BARYON INTERACTIONS; PION-PROTON INTERACTIONS; PIONS PLUS; POLARIZATION; RESONANCE; SCATTERING; SIGMA PLUS PARTICLES; SPIN; SU-3 GROUPS; SYMMETRY; T CHANNEL; U CHANNEL
- Descriptors DEC
- ANGULAR MOMENTUM; APPROXIMATIONS; BARYONS; BORN APPROXIMATION; BOSONS; CALCULATION METHODS; COMPOSITE MODELS; DISTRIBUTION; ELEMENTARY PARTICLES; FERMIONS; HADRON-HADRON INTERACTIONS; HADRONS; HYPERONS; INTERACTIONS; KAONS; LIE GROUPS; MATHEMATICAL MODELS; MESON-BARYON INTERACTIONS; MESON-NUCLEON INTERACTIONS; MESONS; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PROPERTIES; PION-NUCLEON INTERACTIONS; PIONS; PSEUDOSCALAR MESONS; QUARK MODEL; SCATTERING; SIGMA BARYONS; SIGMA PARTICLES; SPECTROSCOPY; STRANGE MESONS; STRANGE PARTICLES; SU GROUPS; SYMMETRY GROUPS
Optional Information
- Copyright
- Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.