Volume 43, Number 4, August II 1998
|Page(s)||386 - 391|
|Published online||01 September 2002|
Two-neutron removal reactions of treated as a three-body halo
Estructura de la Materia, CSIC - Serrano 123, E-28006 Madrid, Spain
2 Institute of Physics and Astronomy, Aarhus University - DK-8000 Aarhus C, Denmark
Accepted: 29 June 1998
We formulate a method to compute breakup processes of three-body halo systems reacting with a target. The reaction between one of the particles and the target as well as the corresponding pairwise final-state interactions are carefully treated. Both absorption and diffraction processes are included. Detailed differential and total cross-sections are calculated for two-neutron (2n) removal from 6He by fragmentation on 12C. The physically motivated core shadowing is phenomenologically included. We obtain good agreement with available experimental momentum distribution data.
PACS: 25.60.-t – Reactions induced by unstable nuclei / 25.60.Gc – Breakup and momentum distributions / 21.45.+v – Few-body systems
© EDP Sciences, 1998
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