Rescattering effects in coherent pion photoproduction on the deuteron in the Delta resonance region

Wilhelm, P.; Arenhovel, H.

doi:10.1016/S0375-9474(96)00277-1

Rescattering effects in coherent pion photoproduction on the deuteron in the Delta resonance region

Jun, 1996

28 pages

Published in:

Nucl.Phys.A 609 (1996) 469-487

e-Print:

nucl-th/9606008 [nucl-th]

DOI:

10.1016/S0375-9474(96)00277-1

Report number:

MKPH-T-96-9

View in:

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Abstract:

Within a dynamical model, rescattering effects are studied in coherent pion photoproduction on the deuteron in the

\Delta

(1232) resonance region. The model consists of a system of coupled equations for the N

\Delta

, NN

\pi

and NN channels. Pion rescattering leads in general to a significant reduction of total and differential cross sections resulting in a better description of experimental data. Only a few polarization observables are sensitive to rescattering effects. In particular

T_{20}

allows an analysis of the reaction mechanism for specific kinematics. The question how rescattering affects the sensitivity to the E2 excitation of the

\Delta

resonance is also studied.

Note:

28 pages revtex including 12 postscript figures Report-no: MKPH-T-96-9

13.60.Le
21.45.+v
25.20.Lj
photon deuteron: exclusive reaction
photon deuteron: coherent interaction
coherent interaction: photon deuteron
pi: photoproduction
photoproduction: pi
Delta(1232): effect
final-state interaction

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