First results with TIGRESS and accelerated radioactive ion beams from ISAC: Coulomb excitation of20,21,29Na

M. A. Schumaker, A. M. Hurst, C. E. Svensson, C. Y. Wu, J. A. Becker, D. Cline, G. Hackman, C. J. Pearson, M. A. Stoyer, A. Andreyev, R. A.E. Austin, G. C. Ball, D. Bandyopadhyay, C. J. Barton, A. J. Boston, H. C. Boston, L. Buchmann, R. Churchman, F. Cifarelli, S. J. ColosimoR. J. Cooper, D. S. Cross, D. Dashdorj, G. A. Demand, M. R. Dimmock, M. Djongolov, T. E. Drake, P. Finlay, A. T. Gallant, P. E. Garrett, C. Gray-Jones, K. L. Green, A. N. Grint, G. F. Grinyer, L. J. Harkness, A. B. Hayes, R. Kanungo, K. G. Leach, W. D. Kulp, A. F. Lisetskiy, G. Lee, S. Lloyd, R. Maharaj, J. P. Martin, B. A. Millar, F. Moisan, A. C. Morton, S. Mythili, L. Nelson, O. Newman, P. J. Nolan, J. N. Orce, D. C. Oxley, E. Padilla-Rodal, A. A. Phillips, M. Porter-Peden, J. J. Ressler, S. V. Rigby, R. Roy, C. Ruiz, F. Sarazin, D. P. Scraggs, C. S. Sumithrarachchi, S. Triambak, J. C. Waddington, P. M. Walker, J. Wan, A. Whitbeck, S. J. Williams, J. Wong, J. L. Wood

Research output: Contribution to journalConference articlepeer-review


The TRIUMF-ISAC Gamma-Ray Escape Suppressed Spectrometer (TIGRESS) is a state-of-the-art γ-ray spectrometer being constructed at the ISAC-II radioactive ion beam facility at TRIUMF. TIGRESS will be comprised of twelve 32-fold segmented high-purity germanium (HPGe) clover-type γ-ray detectors, with BGO/CsI(Tl) Compton- suppression shields, and is currently operational at ISAC-II in an early-implementation configuration of six detectors. Results have been obtained for the first experiments performed using TIGRESS, which examined the A=20, 21, and 29 isotopes of Na by Coulomb excitation.

Original languageEnglish
Pages (from-to)754-759
Number of pages6
JournalAIP Conference Proceedings
StatePublished - 2009
Event20th International Conference on the Application of Accelerators in Research and Industry, CAARI 2008 - Fort Worth, TX, United States
Duration: Aug 10 2008Aug 15 2008


  • Coulomb excitation
  • Island of inversion
  • γ-ray spectroscopy


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