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Gamow-Teller transitions to P32 studied through the S32(d,He2) reaction at Ed=170MeV

Grewe, E. W. and Bäumer, C. and van den Berg, A. and Blasi, N. and Davids, B. and De Frenne, D. and Frekers, D. and Haefner, P. and Harakeh, M. N. and Huynyadi, M. and Jacobs, E. and Junk, B. and Korff, A. and Negret, A. and von Neumann-Cosel, P. and Popescu, L. and Rakers, S. and Wörtche, H. J. (2004):
Gamow-Teller transitions to P32 studied through the S32(d,He2) reaction at Ed=170MeV.
In: Physical Review C, American Physical Society, pp. 064325, 69, (6), ISSN 0556-2813,
[Online-Edition: http://dx.doi.org/10.1103/PhysRevC.69.064325],
[Article]

Item Type: Article
Erschienen: 2004
Creators: Grewe, E. W. and Bäumer, C. and van den Berg, A. and Blasi, N. and Davids, B. and De Frenne, D. and Frekers, D. and Haefner, P. and Harakeh, M. N. and Huynyadi, M. and Jacobs, E. and Junk, B. and Korff, A. and Negret, A. and von Neumann-Cosel, P. and Popescu, L. and Rakers, S. and Wörtche, H. J.
Title: Gamow-Teller transitions to P32 studied through the S32(d,He2) reaction at Ed=170MeV
Language: English
Journal or Publication Title: Physical Review C
Volume: 69
Number: 6
Publisher: American Physical Society
Divisions: 05 Department of Physics > Institute of Nuclear Physics
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC) > A: Kernstrukturphysik > A2: Kernstrukturphysik mit virtuellen Photonen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC) > A: Kernstrukturphysik
05 Department of Physics
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 634: Nuclear Structure, Nuclear Astrophysics and Fundamental Experiments at Low Momentum Transfer at the Superconducting Darmstadt Accelerator (S-DALINAC)
Zentrale Einrichtungen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio)
Date Deposited: 20 Jun 2011 07:13
Official URL: http://dx.doi.org/10.1103/PhysRevC.69.064325
Identification Number: doi:10.1103/PhysRevC.69.064325
Alternative Abstract:
Alternative abstract Language
The 32S(d,2He)32P charge-exchange reaction has been studied at forward angles and at an incident energy of Ed=170 MeV . The two protons in the 1S0(pp) state (indicated as 2He ) were both momentum analyzed and detected by the same spectrometer and detector. High resolution 2He spectra have been obtained allowing identification of many levels in the residual nucleus with high precision. The (d,2He) reaction selectively excites spin-isospin-flip transitions, and at vanishing momentum transfer these are largely governed by the Gamow-Teller transition operator for the ?+ direction. In the case of the self-conjugate nucleus 32S , the (d,2He) probe is calibrated against the elementary (p,n) probe going into the mirror ?- direction. The deduced results are compared with those obtained from (p,p?) and (e,e?) reactions, which excite the same levels in the isospin multiplet. Angular distributions of cross sections for the (d,2He) reaction are presented and compared with DWBA calculations. A level-by-level comparison with shell-model calculations using the USD interaction has been performed, and the structure of the l -forbidden ground state transition is discussed. From the comparison with (p,p?) , (e,e?) , and (p,n) data the isospin-analog J?=1+ levels in the triplet of the A=32 nuclei are deduced.English
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