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Isospin symmetry in the sd shell: Transition strengths in the neutron-deficient sd shell nucleus Ar-33

Wendt, A, Taprogge, J, Reiter, P, Golubev, P, Grawe, H, Pietri, S, Boutachkov, P, Algora, A, Ameil, F, Bentley, MA, Blazhev, A, Bloor, D, Bondili, NS, 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, Z, Pietralla, N, Ralet, D, Reese, M, Rudolph, D, Scruton, L, Siebeck, B, Warr, N, Wieland, O and Wollersheim, HJ (2014) Isospin symmetry in the sd shell: Transition strengths in the neutron-deficient sd shell nucleus Ar-33 Physical Review C - Nuclear Physics, 90 (5), ARTN 0.

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Abstract

Reduced transition strengths of the deexciting transitions from the first two excited states in 33Ar were measured in a relativistic Coulomb excitation experiment at the GSI Helmholtz center. The radioactive ion beam was produced by fragmentation of a primary 36Ar beam on a 9Be target followed by the selection of the reaction product of interest via the GSI Fragment Separator. The 33Ar beam hit a secondary 197Au 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 γ -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 33Ar the reduced transition strengths have been determined. With these first results the Tz = −3/2 nucleus 33Ar is now, together with 21Na (Tz = −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: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Wendt, AUNSPECIFIEDUNSPECIFIED
Taprogge, JUNSPECIFIEDUNSPECIFIED
Reiter, PUNSPECIFIEDUNSPECIFIED
Golubev, PUNSPECIFIEDUNSPECIFIED
Grawe, HUNSPECIFIEDUNSPECIFIED
Pietri, SUNSPECIFIEDUNSPECIFIED
Boutachkov, PUNSPECIFIEDUNSPECIFIED
Algora, AUNSPECIFIEDUNSPECIFIED
Ameil, FUNSPECIFIEDUNSPECIFIED
Bentley, MAUNSPECIFIEDUNSPECIFIED
Blazhev, AUNSPECIFIEDUNSPECIFIED
Bloor, DUNSPECIFIEDUNSPECIFIED
Bondili, NSUNSPECIFIEDUNSPECIFIED
Bowry, MUNSPECIFIEDUNSPECIFIED
Bracco, AUNSPECIFIEDUNSPECIFIED
Braun, NUNSPECIFIEDUNSPECIFIED
Camera, FUNSPECIFIEDUNSPECIFIED
Cederkall, JUNSPECIFIEDUNSPECIFIED
Crespi, FUNSPECIFIEDUNSPECIFIED
de la Salle, AUNSPECIFIEDUNSPECIFIED
DiJulio, DUNSPECIFIEDUNSPECIFIED
Doornenbal, PUNSPECIFIEDUNSPECIFIED
Geibel, KUNSPECIFIEDUNSPECIFIED
Gellanki, JUNSPECIFIEDUNSPECIFIED
Gerl, JUNSPECIFIEDUNSPECIFIED
Grebosz, JUNSPECIFIEDUNSPECIFIED
Guastalla, GUNSPECIFIEDUNSPECIFIED
Habermann, TUNSPECIFIEDUNSPECIFIED
Hackstein, MUNSPECIFIEDUNSPECIFIED
Hoischen, RUNSPECIFIEDUNSPECIFIED
Jungclaus, AUNSPECIFIEDUNSPECIFIED
Merchan, EUNSPECIFIEDUNSPECIFIED
Million, BUNSPECIFIEDUNSPECIFIED
Morales, AUNSPECIFIEDUNSPECIFIED
Moschner, KUNSPECIFIEDUNSPECIFIED
Podolyak, ZUNSPECIFIEDUNSPECIFIED
Pietralla, NUNSPECIFIEDUNSPECIFIED
Ralet, DUNSPECIFIEDUNSPECIFIED
Reese, MUNSPECIFIEDUNSPECIFIED
Rudolph, DUNSPECIFIEDUNSPECIFIED
Scruton, LUNSPECIFIEDUNSPECIFIED
Siebeck, BUNSPECIFIEDUNSPECIFIED
Warr, NUNSPECIFIEDUNSPECIFIED
Wieland, OUNSPECIFIEDUNSPECIFIED
Wollersheim, HJUNSPECIFIEDUNSPECIFIED
Date : 4 November 2014
Identification Number : 10.1103/PhysRevC.90.054301
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Nuclear, Physics, LIFETIME MEASUREMENTS, ENERGIES, P-33, SYSTEM, DECAY
Related URLs :
Additional Information : Copyright The American Physical Society 2014
Depositing User : Symplectic Elements
Date Deposited : 15 Sep 2015 08:43
Last Modified : 15 Sep 2015 08:43
URI: http://epubs.surrey.ac.uk/id/eprint/808396

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