2024-03-28T13:04:04Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/74262020-06-16T11:39:51Zcom_10261_135com_10261_4col_10261_388
DIGITAL.CSIC
author
Meister, M.
author
Chulkov, L. V.
author
Simon, H.
author
Aumann, T.
author
García Borge, María José
author
Elze, Th. W.
author
Emling, H.
author
Geissel, H.
author
Hellström, M.
author
Jonson, B.
author
Kratz, J. V.
author
Kulessa, R.
author
Leifels, Y.
author
Markenroth, K.
author
Münzenberg, G.
author
Nickel, F.
author
Nilsson, T.
author
Nyman, G.
author
Pribora, V.
author
Richter, Achim W.
author
Riisager, K.
author
Scheidenberger, C.
author
Schrieder, G.
author
Tengblad, Olof
2008-10-03T09:11:41Z
2008-10-03T09:11:41Z
2003-04-17
Nuclear Physics A 723(1-2): 13–31 (2003)
0375-9474
http://hdl.handle.net/10261/7426
10.1016/S0375-9474(03)01312-5
The unbound hydrogen isotopes H-4,H-5 have been studied in the one-proton knockout channel of He-6 (240 MeV/u) impinging on a carbon target. The triton fragments originating from this channel were detected in coincidence with neutrons. Relative energy spectra as well as energy and angular correlations have been studied for the t+n and t+n+n systems. The analysis of the energy and angular correlations by the method of hyperspherical harmonic expansion allows to determine the relative weights of the most relevant partial waves in the three-body t+n+n final state. It is shown that the neutrons to a large extent occupy the p-shell and that the I-π = 1/2(+) state is strongly populated as expected for the H-5 ground state. No evidence for a narrow resonance in the t+n+n system is obtained, instead a broad structure peaked at 3 MeV above the threshold with about 6 MeV as a full width at half maximum is observed. The two-body t+n system reveals a resonance compatible with earlier results for H-4.
eng
closedAccess
Nuclear Reactions C(6He,nt), (6He,2nt), E=240 MeV/nucleon
Measured, triton and neutron relative energy spectra, energy and angular correlations
4,5H deduced, resonance features
Hyperspherical harmonic expansion analysis
Comparisons with previous results
[PACS] Properties of specific nuclei listed by mass ranges: A ≤ 5
[PACS] Breakup and momentum distributions
Searching for the H-5 resonance in the t+n+n system
artículo
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