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. Molina
  • H. 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

4 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

  • General Physics and Astronomy

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