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Registro de acceso abierto Direct experimental evidence for strong admixture of different parity states in Li-11

Autor :Simon, H.
Aleksandrov, D.
Aumann, T.
Axelsson, L.
Baumann, T.
García Borge, María José
Chulkov, L. V.
Collatz, R.
Cub, J.
Dostal, W.
Eberlein, B.
Elze, Th. W.
Emling, H.
Geissel, H.
Grünschloss, A.
Hellström, M.
Holeczek, J.
Holzmann, R.
Jonson, B.
Kratz, J. V.
Kraus, G.
Kulessa, R.
Leifels, Y.
Leistenschneider, A.
Leth, T.
Mukha, I.
Münzenberg, G.
Nickel, F.
Nilsson, T.
Nyman, G.
Petersen, B.
Pfützner, M.
Richter, Achim W.
Riisager, K.
Scheidenberger, C.
Schrieder, G.
Schwab, W.
Smedberg, M. H.
Stroth, J.
Surowiec, A.
Tengblad, Olof
Zhukov, M. V.
Palabras clave :[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19, [PACS] Polarization phenomena in reactions, [PACS] Breakup and momentum distributions
Fecha de publicación :19-jul-1999
Editor:American Physical Society
Citación :Physical Review Letters 83(3): 496-499 (1999)
Resumen:Peripheral fragmentation of a 287 MeV/nucleon beam of the halo nucleus Li-11 incident on a carbon target has been studied in a fragment-neutron coincidence experiment. The momentum distribution of the Li-10 fragments gives access to the momentum distribution of the removed neutron in Li-11. From the shape of the distribution, the (1s(1/2))(2) contribution to the mixture of (1s(1/2))(2) and (0p(1/2))(2) components in the ground-state wave function was determined to he (45 ± 10)%. The angular correlation between the knocked out neutron and the one from the decay of Li-10 shows a skew distribution signaling interference of these two different parity states.
Descripción :4 pages, 3 figures.-- PACS nrs.: 27.20.+n, 24.70.+s, 25.60.Gc.
Versión del editor:http://link.aps.org/doi/10.1103/PhysRevLett.83.496
URI :http://hdl.handle.net/10261/11146
ISSN:0031-9007 (Print)
1079-7114 (Online)
DOI:10.1103/PhysRevLett.83.496
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