Large spin alignment of the unbound &quot;5He fragment after fragmentation of 240 MeV/u&quot;6He

Aleksandrov, D.; Aumann, T.; Axelsson, L.; Baumann, T.; Borge, M.J.G.; Chulkov, L.V. (Kurchatov (I.V.) Inst. of Atomic Energy, Moscow (Russian Federation)); Collatz, R.; Cub, J.; Eberlein, B.; Elze, T.W.; Emling, H.; Geissel, H.; Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany); Goldberg, V.Z.; Golovkov, M.; Gruenschloss, A.; Hellstroem, M.; Holeczek, J.; Holzmann, R.; Jonson, B.; Korsheninnikov, A.A.; Kratz, J.V.; Kraus, G.; Kulessa, R.; Leifels, Y.; Leth, T.; Muenzenberg, G.; Mukha, I.; Nickel, F.; Nilsson, T.; Nyman, G.; Petersen, B.; Pfuetzner, M.; Richter, A.; Riisager, K.; Scheidenberger, C.; Schrieder, G.; Schwab, W.; Seistenschneider, A.; Simon, H.; Smedberg, M.H.; Sostal, W.; Steiner, M.; Stroth, J.; Surowiec, A.; Suzuki, T.; Tengblad, O.

Large spin alignment of the unbound "5He fragment after fragmentation of 240 MeV/u"6He

Abstract

Peripheral fragmentation of a 240 MeV/u beam of the halo nucleus "6He incident on carbon target has been studied in a kinematically complete experiment. It is found that one-neutron stripping to the unbound nucleus "5He is the dominant fragmentation mechanism and that it leads to a spin alignment of "5He in a plane perpendicular to the "5He momentum vector. This is expected to be a common feature for all neutron halo nuclei. (orig.)Available from FIZ Karlsruhe / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

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