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Neutron-deuteron breakup calculations with W-matrix representation of the two-body input

Journal Article · · Phys. Rev. C; (United States)
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This paper provides a further test of employing the W-matrix representation of the two-body T matrix in three-nucleon calculations. Calculating differential neutron-deuteron breakup cross sections with the Malfliet-Tjon potentials I and III, we find that the single-term separable approximation for the two-body T matrix which follows from the W-matrix approach, when used as input in the three-nucleon Alt-Grassberger-Sandhas equations, leads to results which agree extremely well with benchmark results provided by Wital-dash-bara, Gloeckle, and Cornelius. The present investigations, thus, corroborate and extend the findings obtained previously for elastic neutron-deuteron scattering. Our theoretical results are also compared with recent experimental data obtained at Erlangen, and it is found that the Malfliet-Tjon potential supports a very good reproduction of the overall features of these data. We conclude that the W-matrix approach provides a remarkably simple and efficient tool for high-quality three-nucleon calculations.

Research Organization:
Physikalisches Institut, Universitaet Bonn, D-5300 Bonn 1, Federal Republic of Germany
OSTI ID:
6907038
Journal Information:
Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 38:3; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

653001* -- Nuclear Theory-- Nuclear Structure
Moments
Spin
& Models
653003 -- Nuclear Theory-- Nuclear Reactions & Scattering
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
AMPLITUDES
BARYON-BARYON INTERACTIONS
BREAKUP REACTIONS
CROSS SECTIONS
DIRECT REACTIONS
ELASTIC SCATTERING
HADRON-HADRON INTERACTIONS
INTERACTIONS
MANY-BODY PROBLEM
MATRICES
MULTI-NUCLEON TRANSFER REACTIONS
NEUTRON-DEUTERON INTERACTIONS
NUCLEAR REACTIONS
NUCLEON-DEUTERON INTERACTIONS
PARTICLE INTERACTIONS
POTENTIALS
S MATRIX
SCATTERING
THREE-NUCLEON TRANSFER REACTIONS
TRANSFER REACTIONS
TRANSITION AMPLITUDES
TWO-BODY PROBLEM