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          Institute: MPI für Kernphysik     Collection: Nuclear Physics and Nuclear Probes     Display Documents

ID: 31851.0, MPI für Kernphysik / Nuclear Physics and Nuclear Probes
Experimental evidence for the B-8 ground state configuration
Authors:Cortina-Gil, D.; Markenroth, K.; Attallah, F.; Baumann, I.; Benlliure, J.; Borge, M. J. G.; Chulkov, L. V.; Pramanik, U. D.; Fernandez-Vazquez, J.; Forssen, C.; Fraile, L. M.; Geissel, H.; Gerl, J.; Hammache, F.; Itahashi, K.; Janik, R.; Jonson, B.; Karlsson, S.; Lenske, H.; Mandal, S.; Meister, M.; Mocko, X.; Munzenberg, 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.; Summerer, K.; Szarka, I.; Wan, S.; Weick, H.; Zhukov, M.
Date of Publication (YYYY-MM-DD):2002-03-14
Title of Journal:Physics Letters B
Journal Abbrev.:Phys. Lett. B
Issue / Number:1-2
Start Page:36
End Page:41
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The 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(parallel to)) of the Be-7 fragments have been measured, both inclusively and in coincidence with de-excitation gamma-rays from Be-7*. The widths and cross sections of the respective p(parallel to) distributions are compared with calculations in a three-body cluster model. (C) 2002 Elsevier Science B.V. All rights reserved.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group D. Schwalm/Nuclear Gamma-Ray Spectroscopy (H. Scheit)
External Affiliations:Univ Santiago de Compostela, E-15706 Santiago De Compostela, Spain; Gesell Schwerionenforsch mbH, GSI Darmstadt, D-64291 Darmstadt, Germany; Univ Gothenburg, Chalmers Tekn Hogskola, Adv Expt Fys, SE-41296 Gothenburg, Sweden; Michigan State Univ, NSCL, E Lansing, MI 48824 USA; CSIC, Inst Estructura Mat, E-28006 Madrid, Spain; Kurchatov Inst, RU-123182 Moscow, Russia; Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 113, Japan; Comenius Univ, Fac Math & Phys, Bratislava 84215, Slovakia; Inst Theoret Phys 1, D-35392 Giessen, Germany; Niigata Univ, Dept Phys, Niigata 9502181, Japan; RIKEN, Wako, Saitama 35101, Japan; Aarhus Univ, Inst Fys & Astron, DK-8000 Aarhus C, Denmark; Tech Univ Munich, Phys Dept E12, D-85748 Garching, Germany; Tech Univ Darmstadt, Inst Kernphys, D-64289 Darmstadt, Germany
Identifiers:ISI:000174591200005 [ID No:1]
ISSN:0370-2693 [ID No:2]
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