Recoil-beta tagging: a novel technique for studying proton-drip-line nuclei

A.N. Steer, D.G. Jenkins, R. Glover, B.S. Nara Singh, N.S. Pattabiraman, R. Wadsworth, S. Eeckhaudt, T. Grahn, P.T. Greenlees, P. Jones, R. Julin, S. Juutinen, M. Leino, M. Nyman, J. Pakarinen, P. Rahkila, J. Saren, C. Scholey, J. Sorri, J. UusitaloP.A. Butler, I.G. Darby, R.-D. Herzberg, D.T. Joss, R.D. Page, J. Thomson, R. Lemmon, J. Simpson, B. Blank

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Tagging with charged particles and -rays at the focal plane of recoil separators has proven, over the last two decades, to be a very powerful tool for the identification of excited states in exotic nuclei produced with very low cross-sections. One of the key areas so far unexplored in terms of the tagging methodology has been performing correlations with -particles at the focal plane of a recoil separator. A new technique entitled Recoil-Beta Tagging (RBT) has been developed, this technique exploits the unusual properties of Fermi super-allowed emitters, which have both a short half-life () and high -endpoint energy. Correlating with such -particles using a double-sided silicon strip detector and planar germanium detector as an effective telescope for high-energy positrons has allowed a proof-of-principle of this technique to be carried out, by cleanly identifying excited states in the proton-drip-line nucleus, 74Rb.
Original languageEnglish
Pages (from-to)630-636
Number of pages7
JournalNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume565
Issue number2
DOIs
Publication statusPublished - 15 Sep 2006
Externally publishedYes

Keywords

  • recoil-beta tagging
  • 74Rbdouble-sided silicon strip detectors
  • recoil separators

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