Regge phenomenology of pion photoproduction off the nucleon at forward angles - INSPIRE

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Regge phenomenology of pion photoproduction off the nucleon at forward angles

Byung Geel Yu
(
- Goyang, Korea Aerospace U.
)
,
Tae Keun Choi
(
- Yonsei U., Wonju
)
,
W. Kim
(
- Kyungpook Natl. U.
)

Mar, 2011

19 pages

Published in:

Phys.Rev.C 83 (2011) 025208

e-Print:

1103.1203 [nucl-th]

DOI:

10.1103/PhysRevC.83.025208

View in:

reference search37 citations

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Abstract: (arXiv)

We present a Regge model for pion photoproduction which is basically free of parameters within the framework of the s-channel helicity amplitude. We use coupling constants of all exchanged mesons determined from empirical decay widths or from the SU(3) relations together with consistency check with existing estimates that are widely accepted in other reaction processes. Cross sections and spin polarization asymmetries at various photon energies are analyzed and results are obtained in better agreement with experimental data without referring to any fitting procedure.

Note:

19 pages, 20 figures, two column, revtex4

13.88.+e
13.75.Jz
13.60.Rj
13.40.-f
pi: photoproduction
polarization: asymmetry
helicity: amplitude analysis
Regge poles
SU(3)
photon nucleon: exclusive reaction

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Figures(20)

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