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A treatment of the final-state interaction for photonuclear reactions

Abstract

The final state interaction is considered for the Gottfried factorized cross section. Numerical examples are presented for the {sup 40}Ca({gamma},pn) and {sup 40}Ca({gamma},n) reactions. The surface refraction process, allowing photonucleons to refract as they emerge from the nuclear potential well, cannot change the magnitude of the total cross section, but may redistribute the strength in the angular dependence of the differential cross section. The absorption process accounts for the loss of photonucleons as a result of inelastic collisions while escaping the nucleus. The surface refraction correction is calculated in a plane-wave Born approximation and the absorption correction is presented as a simple development of earlier phenomenological treatments. 12 refs., 7 figs.
Publication Date:
Dec 31, 1991
Product Type:
Technical Report
Report Number:
UM-P-91/12
Reference Number:
SCA: 663410; PA: AIX-23:015560; SN: 92000647156
Resource Relation:
Other Information: PBD: [1991]
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; CALCIUM 40 TARGET; DIFFERENTIAL CROSS SECTIONS; PHOTONUCLEAR REACTIONS; FINAL-STATE INTERACTIONS; PHOTONUCLEONS; ABSORPTION; REFRACTION; CORRECTIONS; EXPERIMENTAL DATA; FACTORIZATION; MEV RANGE 100-1000; PHOTONEUTRONS; PHOTOPROTONS; 663410; PHOTONUCLEAR REACTIONS AND PHOTON SCATTERING
Sponsoring Organizations:
Australian Research Council, Canberra, ACT (Australia); Department of Industry, Technology and Commerce, Canberra, ACT (Australia)
OSTI ID:
10115343
Research Organizations:
Melbourne Univ., Parkville, VIC (Australia). School of Physics
Country of Origin:
Australia
Language:
English
Other Identifying Numbers:
Other: ON: DE92615318; TRN: AU9112335015560
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
20 p.
Announcement Date:
Jun 30, 2005

Citation Formats

Eden, J A, and Thompson, M N. A treatment of the final-state interaction for photonuclear reactions. Australia: N. p., 1991. Web.
Eden, J A, & Thompson, M N. A treatment of the final-state interaction for photonuclear reactions. Australia.
Eden, J A, and Thompson, M N. 1991. "A treatment of the final-state interaction for photonuclear reactions." Australia.
@misc{etde_10115343,
title = {A treatment of the final-state interaction for photonuclear reactions}
author = {Eden, J A, and Thompson, M N}
abstractNote = {The final state interaction is considered for the Gottfried factorized cross section. Numerical examples are presented for the {sup 40}Ca({gamma},pn) and {sup 40}Ca({gamma},n) reactions. The surface refraction process, allowing photonucleons to refract as they emerge from the nuclear potential well, cannot change the magnitude of the total cross section, but may redistribute the strength in the angular dependence of the differential cross section. The absorption process accounts for the loss of photonucleons as a result of inelastic collisions while escaping the nucleus. The surface refraction correction is calculated in a plane-wave Born approximation and the absorption correction is presented as a simple development of earlier phenomenological treatments. 12 refs., 7 figs.}
place = {Australia}
year = {1991}
month = {Dec}
}