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Closed Access item Lithium isotopes beyond the drip line

Authors:Aksyutina, Yu.
Johansson, H. T.
Adrich, P.
Aksouh, F.
Aumann, T.
Boretzky, K.
García Borge, María José
Chatillon, A.
Chulkov, L. V.
Cortina-Gil, D.
Pramanik, U. Datta
Emling, H.
Forssén, C.
Fynbo, H. O. U.
Geissel, H.
Hellström, M.
Ickert, G.
Jones, K. L.
Jonson, B.
Kliemkiewicz, A.
Kratz, J. V.
Kulessa, R.
Lantz, M.
LeBleis, T.
Lindahl, A. O.
Mahata, K.
Matos, M.
Meister, M.
Münzenberg, G.
Nilsson, T.
Nyman, K. G.
Palit, R.
Pantea, M.
Paschalis, S.
Prokopowicz, W.
Reifarth, R.
Richter, I. A.
Riisager, K.
Schrieder, G.
Simon, H.
Sümmerer, K.
Tengblad, Olof
Walus, W.
Weick, H.
Zhukov, M. V.
Keywords:Lithium isotopes, [PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19, [PACS] Polarization phenomena in reactions
Issue Date:3-Aug-2008
Publisher:Elsevier
Citation:Physics Letters B 666(5): 430–434 (2008)
Abstract:The unbound isotopes 10Li, 12Li and 13Li have been observed after nucleon-knockout reactions at relativistic energies with 11Li and 14Be beams impinging on a liquid hydrogen target. The channels 9Li+n, 11Li+n and 11Li+2n were analysed in the ALADIN-LAND setup at GSI. The 10Li data confirm earlier findings, while the 12Li and 13Li nuclei were observed for the first time. The 11Li+n relative-energy spectrum shows that the ground state of 12Li can be described as a virtual s-state with a scattering length of −13.7(1.6) fm. A broad energy spectrum was found for the 11Li+2n channel. Based on the assumption that the relative-energy spectrum is dominated by a correlated background presumably stemming from initial correlations in the 14Be ground-state, evidence for a 13Li resonance at 1.47(31) MeV above the 11Li+2n threshold with a width around 2 MeV has been found.
Description:5 pages, 3 figures, 1 table.-- PACS nrs.: 27.20.+n, 24.70.+s.-- Printed version published Sep 11, 2008.
Publisher version (URL):http://dx.doi.org/10.1016/j.physletb.2008.07.093
URI:http://hdl.handle.net/10261/12088
ISSN:0370-2693
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Appears in Collections:(CFMAC-IEM) Artículos

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