Wendt, A., Taprogge, J., Reiter, P., Golubev, P., Grawe, H., Pietri, S., Boutachkov, P., Algora, A., Ameil, F., Bentley, M. A., Blazhev, A., Bloor, D., Bondili, N. S., Bowry, M., Bracco, A., Braun, N., Camera, F., Cederkall, J., Crespi, F., de la Salle, A., DiJulio, D., Doornenbal, P., Geibel, K., Gellanki, J., Gerl, J., Grebosz, J., Guastalla, G., Habermann, T., Hackstein, M., Hoischen, R., Jungclaus, A., Merchan, E., Million, B., Morales, A., Moschner, K., Podolyak, Zs., Pietralla, N., Ralet, D., Reese, M., Rudolph, D., Scruton, L., Siebeck, B., Warr, N., Wieland, O. and Wollersheim, H. J. (2014). Isospin symmetry in the sd shell: Transition strengths in the neutron-deficient sd shell nucleus Ar-33. Phys. Rev. C, 90 (5). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

Reduced transition strengths of the deexciting transitions from the first two excited states in Ar-33 were measured in a relativistic Coulomb excitation experiment at the GSI Helmholtz center. The radioactive ion beam was produced by fragmentation of a primary Ar-36 beam on a Be-9 target followed by the selection of the reaction product of interest via the GSI Fragment Separator. The (33A)r beam hit a secondary Au-197 target with an energy of approximately 145 MeV/nucleon. An array of high-purity germanium cluster detectors and large-volume BaF2 scintillator detectors were employed for gamma-ray spectroscopy at the secondary target position. The Lund-York-Cologne Calorimeter was used to track the outgoing ions and to identify the nuclear reaction channels. For the two lowest energy excited states of Ar-33 the reduced transition strengths have been determined. With these first results the T-z = -3/2 nucleus Ar-33 is now, together with Na-21 (T-z = -1/2), the only neutron-deficient odd-A sd shell nucleus in which experimental transition strengths are available. The experimental values are compared to results of shell-model calculations which describe simultaneously mirror-energy differences and transition-strength values of mirror pairs in the sd shell in a consistent way.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Wendt, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Taprogge, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Golubev, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grawe, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pietri, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Boutachkov, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Algora, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ameil, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bentley, M. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blazhev, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bloor, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bondili, N. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bowry, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bracco, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Braun, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Camera, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cederkall, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de la Salle, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
DiJulio, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Doornenbal, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Geibel, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gellanki, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerl, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grebosz, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Guastalla, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Habermann, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hackstein, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hoischen, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jungclaus, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Merchan, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Million, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Morales, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moschner, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pietralla, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ralet, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reese, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rudolph, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scruton, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Siebeck, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wieland, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wollersheim, H. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-423594
DOI: 10.1103/PhysRevC.90.054301
Journal or Publication Title: Phys. Rev. C
Volume: 90
Number: 5
Date: 2014
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1089-490X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
LIFETIME MEASUREMENTS; ENERGIES; SYSTEM; DECAY; P-33Multiple languages
Physics, NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/42359

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