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Open Access item Direct experimental evidence for strong admixture of different parity states in Li-11

Authors: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.
Keywords:[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19, [PACS] Polarization phenomena in reactions, [PACS] Breakup and momentum distributions
Issue Date:19-Jul-1999
Publisher:American Physical Society
Citation:Physical Review Letters 83(3): 496-499 (1999)
Abstract: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.
Description:4 pages, 3 figures.-- PACS nrs.: 27.20.+n, 24.70.+s, 25.60.Gc.
Publisher version (URL):http://link.aps.org/doi/10.1103/PhysRevLett.83.496
ISSN:0031-9007 (Print)
1079-7114 (Online)
Appears in Collections:(CFMAC-IEM) Artículos

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