Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/7710
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Title

Experimental evidence for the B-8 ground state configuration

AuthorsCortina-Gil, D.; Markenroth, K.; Attallah, F.; Baumann, T.; Benlliure, J.; García Borge, María José CSIC ORCID; Chulkov, L. V.; Pramanik, U. Datta; Fernández-Vázquez, J.; Forssén, C.; Fraile, Luis M. CSIC ORCID; Geissel, H.; Gerl, J.; Hammache, F.; Itahashi, K.; Janik, R.; Jonson, B.; Karlsson, S.; Lenske, H.; Mandal, S.; Meister, M.; Mocko, X.; Münzenberg, G.; Ohtsubo, T.; Ozawa, A.; Parfenova, Y.; Pribora, V.; Riisager, K.; Scheit, H.; Schneider, R.; Schmidt, K.; Schrieder, G.; Simon, H.; Sitar, B.; Stolz, A.; Strmen, P.; Sümmerer, K.; Szarka, I.; Wan, S.; Weick, H.; Zhukov, M. V.
Keywords[PACS] Interaction and reaction cross-sections
[PACS] Breakup and momentum distributions
[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
Issue Date12-Feb-2002
PublisherElsevier
CitationPhysics Letters B 529(1-2): 36–41 (2002)
AbstractThe Be-7 fragments produced in one-proton removal from relativistic B-8 nuclei of 936 MeV/nucleon in a carbon target have been detected in coincidence with gamma rays emitted by these fragments at the reaction target. It is found that 13 ± 3% of the Be-7 fragments are released in the 429 keV excited state, Be-7*, which gives direct experimental information on the ground state configuration of B-8. The longitudinal momentum distributions (p||) of the Be-7 fragments have been measured, both inclusively and in coincidence with de-excitation γ-rays from Be-7*. The widths and cross sections of the respective p|| distributions are compared with calculations in a three-body cluster model.
Description6 pages, 1 table, 3 figures.-- PACS nrs.: 25.60.Dz; 25.60.Gc; 27.20.+n.-- Printed version published March 14, 2002.
Publisher version (URL)http://dx.doi.org/10.1016/S0370-2693(02)01245-5
URIhttp://hdl.handle.net/10261/7710
DOI10.1016/S0370-2693(02)01245-5
ISSN0370-2693
Appears in Collections:(CFMAC-IEM) Artículos

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