The Skyrme Soliton in Pion, Vector and Scalar Meson Fields: $\pi N$ Scattering and Photoproduction

Schwesinger, B.; Weigel, H.; Holzwarth, G.; Hayashi, A.

doi:10.1016/0370-1573(89)90022-7

The Skyrme Soliton in Pion, Vector and Scalar Meson Fields: $\pi N$ Scattering and Photoproduction

Mar 29, 1988

147 pages

Published in:

Phys.Rept. 173 (1989) 173

DOI:

10.1016/0370-1573(89)90022-7

Report number:

PRINT-88-0236 (SIEGEN)

View in:

ADS Abstract Service

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Abstract: (Elsevier)

The non-linear σ-model for pions is extended to incorporate ϱ and ω-mesons as massive gauge bosons in a non-linear realization of chiral symmetry. The chiral anomalies are included in gauge-invariant form. An additional scalar-isoscalar meson reproduces the QCD trace anomaly. Baryons are obtained as hedgehog solitons in the meson fields, and the S -matrix for meson-baryon scattering is derived by solving the coupled channels equations for the mesonic fluctuations around the static soliton. Coupling to the electromagnetic sector is established by gauging the meson lagrangian. Results for elastic πN-scattering and photoproduction of pions are discussed in detail. For a description of the Δ33 resonance dynamic al effects of the soliton isorotation are considered.

inspirereview:II-d-4
PI NUCLEON: ELASTIC SCATTERING
ELASTIC SCATTERING: PI NUCLEON
PARTIAL WAVE ANALYSIS: COUPLED CHANNEL
Skyrme model
PI: PHOTOPRODUCTION
PHOTOPRODUCTION: PI
FIELD THEORETICAL MODEL: SIGMA
ANOMALY: CHIRAL
VECTOR MESON: GAUGE BOSON

References(91)

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The Skyrme Soliton in Pion, Vector and Scalar Meson Fields: $\pi N$ Scattering and Photoproduction