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Closed Access item He-8 - He-6: a comparative study of electromagnetic fragmentation reactions

Authors:Meister, M.
Markenroth, K.
Aleksandrov, D.
Aumann, T.
Baumann, T.
García Borge, María José
Chulkov, L. V.
Cortina-Gil, D.
Eberlein, B.
Elze, Th. W.
Emling, H.
Geissel, H.
Hellström, M.
Jonson, B.
Kratz, J. V.
Kulessa, R.
Leistenschneider, A.
Mukha, I.
Münzenberg, G.
Nickel, F.
Nilsson, T.
Nyman, G.
Pfützner, M.
Pribora, V.
Richter, Achim W.
Riisager, K.
Scheidenberger, C.
Schrieder, G.
Simon, H.
Tengblad, Olof
Zhukov, M. V.
Keywords:Nuclear Reactions: Pb(He-8,xn He-6), E=227 MeV/nucleon, Pb(He-6,xnα), E=240 MeV/nucleon, Measured σ, σ(Θ), σ(E), He-8 deduced resonance energy, B(E1), [PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
Issue Date:25-Mar-2002
Publisher:Elsevier
Citation:Nuclear Physics A 700(1-2): 3–16 (2002)
Abstract:Dissociation of a 227 MeV/u He-8 beam in a lead target has been studied in a kinematically complete experiment. The results are compared with similar data from the well-known halo nucleus He-6. Coulomb-nuclear interference in the inelastic channel gives evidence for a I-π = 1- resonance in He-8 at E-x = 4.15 MeV. The deduced B(E1) value of 0.38 ± 0.07 e(2) fm(2) indicates a uniform distribution of the four neutrons around the α-particle core.
Description:14 pages, 1 table, 2 figures.-- PACS nrs.:27.20.+n; 24.70.+.-- Available online Oct 8, 2001.
Publisher version (URL):http://dx.doi.org/10.1016/S0375-9474(01)01305-7
URI:http://hdl.handle.net/10261/9754
ISSN:0375-9474
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Appears in Collections:(CFMAC-IEM) Artículos

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