Soft spin-dipole resonances in 40Ca

L. Stuhl, A. Krasznahorkay, M. Csatlós, T. Marketin, E. Litvinova, T. Adachi, A. Algora, J. Daeven, E. Estevez, H. Fujita, Y. Fujita, C. Guess, J. Gulyás, K. Hatanaka, K. Hirota, H. J. Ong, D. Ishikawa, H. Matsubara, R. Meharchand, F. MolinaH. Okamura, G. Perdikakis, B. Rubio, C. Scholl, T. Suzuki, G. Susoy, A. Tamii, J. Thies, R. Zegers, J. Zenihiro

Research output: Contribution to journalConference articlepeer-review

3 Citations (Scopus)

Abstract

High resolution experimental data has been obtained for the 40,42,44,48Ca(3He,t)Sc charge exchange reaction at 420 MeV beam energy, which favors the spin-isospin excitations. The measured angular distributions were analyzed for each state separately, and the relative spin dipole strength has been extracted for the first time. The low-lying spin-dipole strength distribution in 40Sc shows some interesting periodic gross feature. It resembles to a soft, damped multi-phonon vibrational band with hω= 1.8 MeV, which might be associated to pairing vibrations around 40Ca.

Original languageEnglish
Article number012096
JournalJournal of Physics: Conference Series
Volume381
Issue number1
DOIs
Publication statusPublished - 2012
Externally publishedYes
EventRutherford Centennial Conference on Nuclear Physics - Manchester, United Kingdom
Duration: 08-08-201112-08-2011

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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