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In-beam γ-spectroscopy with relativistic radioactive ion beams

This work demonstrates the feasibility of in-beam γ-spectroscopy employing radioactive ion beam species at relativistic energies of E = 210 ∼ 280 A· MeV. Neutron-rich nuclei below 48Ca with neutron number between the two magic numbers 20 and 28 have been investigated. Using a Pb target, single step...

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Main Authors: Wan, Scott (Author) , Gerl, J. (Author) , Cub, J. (Author) , Holeczek, J.M. (Author) , Reiter, P. (Author) , Schwalm, Dirk (Author) , Aumann, T. (Author) , Boretzky, K. (Author) , Dostal, W. (Author) , Eberlein, B. (Author) , Emling, H. (Author) , Ender, Ch. (Author) , Elze, Th.W. (Author) , Geissel, H. (Author) , Grünschloß, A. (Author) , Holzmann, R. (Author) , Iwasa, N. (Author) , Kaspar, M. (Author) , Kleinböhl, A. (Author) , Koschorrek, O. (Author) , Leifels, Y. (Author) , Leistenschneider, A. (Author) , Peter, I. (Author) , Schaffner, H. (Author) , Scheidenberger, C. (Author) , Schubart, R. (Author) , Schubert, R. (Author) , Simon, H. (Author) , Stengel, G. (Author) , Surowiec, A. (Author) , Wollersheim, H.J. (Author)
Format: Article (Journal)
Language:English
Published: October 1999
In: The European physical journal. A, Hadrons and nuclei
Year: 1999, Volume: 6, Issue: 2, Pages: 167-174
ISSN:1434-601X
DOI:10.1007/s100500050331
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/s100500050331
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Author Notes:S. Wan, J. Gerl, J. Cub, J.M. Holeczek, P. Reiter, D. Schwalm, T. Aumann, K. Boretzky, W. Dostal, B. Eberlein, H. Emling, Ch. Ender, Th.W. Elze, H. Geissel, A. Grünschloß, R. Holzmann, N. Iwasa, M. Kaspar, A. Kleinböhl, O. Koschorrek, Y. Leifels, A. Leistenschneider, I. Peter, H. Schaffner, C. Scheidenberger, R. Schubart, R. Schubert, H. Simon, G. Stengel, A. Surowiec, H.J. Wollersheim
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Summary:This work demonstrates the feasibility of in-beam γ-spectroscopy employing radioactive ion beam species at relativistic energies of E = 210 ∼ 280 A· MeV. Neutron-rich nuclei below 48Ca with neutron number between the two magic numbers 20 and 28 have been investigated. Using a Pb target, single step inelastic excitation originating mainly from Coulomb interaction takes place populating preferentially low-lying low-spin states and enabling the extraction of B(E2) values. On a C target, nucleon removal reactions are dominating and medium-spin states are populated thus offering spectroscopic information in neighboring nuclei. Cross sections of inelastic excitation are determined and compared to coupled-channels calculations. Two new states of the very neutron-rich nucleus 44Ar at 1.78(8) MeV and 2.61(16) MeV are deduced from γ-transitions.
Item Description:Gesehen am 26.11.2020
Physical Description:Online Resource
ISSN:1434-601X
DOI:10.1007/s100500050331

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