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Closed Access item Nuclear and Coulomb breakup of B-8

Authors:Cortina-Gil, D.
Fernández-Vázquez, J.
Attallah, F.
Baumann, T.
Benlliure, J.
García Borge, María José
Chulkov, L.
Forssén, C.
Fraile, Luis M.
Geissel, H.
Gerl, J.
Itahashi, K.
Janik, R.
Jonson, B.
Karlsson, S.
Lenske, H.
Mandal, S.
Markenroth, K.
Meister, M.
Mocko, M.
Münzenberg, G.
Ohtsubo, T.
Ozawa, A.
Parfenova, Yu.
Pribora, V.
Richter, Achim W.
Riisager, K.
Schneider, R.
Scheit, H.
Schrieder, G.
Shulgina, N.
Simon, H.
Sitar, B.
Stolz, A.
Strmen, P.
Sümmerer, K.
Szarka, I.
Wan, S.
Weick, H.
Zhukov, M. V.
Keywords:Knock-out reactions, Halo nuclei, Ground-state properties, Core excitation, Longitudinal momentum, One-proton removal cross section, Y coincidence, [PACS] Interaction and reaction cross sections, [PACS] Breakup and momentum distributions, [PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
Issue Date:8-Feb-2003
Publisher:Elsevier
Citation:Nuclear Physics A 720(1-2): 3–19 (2003)
Abstract:One-proton removal reactions of 936 MeV/u B-8 have been studied with carbon and lead as breakup targets. Using the FRS at GSI, the longitudinal momentum distributions of the Be-7 fragments and the one-proton removal cross section of B-8 were measured. The relative contributions of the breakup channels leading to Be-7 in its ground state and excited state at 429 keV (Be-7*) have been determined from measurements of gamma rays in coincidence with the fragments from the one-proton removal reaction. The experimental breakup data are discussed in the context of a theoretical (α + He-3 + p) three-body model. The combined data from the two targets allow a determination of the weight of the Be-7* component in the B-8 ground state wave function as (13.3 ± 2.2%).
Description:17 pages, 4 tables, 9 figures.-- PACS nrs.: 25.60.Dz; 25.60.Gc; 27.20.+n.-- Printed version published Jun 2, 2003.
Publisher version (URL):http://dx.doi.org/10.1016/S0375-9474(03)00671-7
URI:http://hdl.handle.net/10261/7761
ISSN:0375-9474
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Appears in Collections:(CFMAC-IEM) Artículos

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