Imaging nuclear decays with Optical Time Projection Chamber

  • K. Miernik
  • , W. Dominik
  • , Z. Janas
  • , M. Pfützner
  • , C. Bingham
  • , H. Czyrkowski
  • , M. Ćwiok
  • , I. Darby
  • , R. Da̧browski
  • , A. Fomitchev
  • , T. Ginter
  • , M. Golovkov
  • , R. Grzywacz
  • , M. Karny
  • , A. Korgul
  • , W. Kuśmierz
  • , S. Liddick
  • , M. Rajabali
  • , A. Rodin
  • , K. Rykaczewski
  • S. Stepantsov, R. Slepmev, A. Stolz, G. M. Ter-Akopian, R. Wolski

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Scopus citations

    Abstract

    A novel type of gaseous ionization detector - Optical Time Projection Chamber (OTPC) - developed to study rare nuclear decays is presented. The OTPC records tracks of charged particles ionizing a counting gas by optical imaging of the light generated by electrons multiplied in the amplification structures. By combining an electron drift-time profile measured by a photomulti-plier and a CCD camera image we reconstruct three-dimensional trajectories of particles, energies and charges. The capabilities of the OTPC detector to study various decay modes are demonstrated by observation of beta-delayed proton emission from 13O, two-alpha break-up of 8Be, triple-alpha decay of 12C excited states and two-proton radioactivity of 45Fe.

    Original languageEnglish
    Title of host publicationProton Emitting Nuclei and Related Topics - International Conference, PROCON 2007
    Pages307-309
    Number of pages3
    DOIs
    StatePublished - 2007
    EventInternational Conference on Proton Emitting Nuclei and Related Topics, PROCON 2007 - Lisbon, Portugal
    Duration: Jun 17 2007Jun 23 2007

    Publication series

    NameAIP Conference Proceedings
    Volume961
    ISSN (Print)0094-243X
    ISSN (Electronic)1551-7616

    Conference

    ConferenceInternational Conference on Proton Emitting Nuclei and Related Topics, PROCON 2007
    Country/TerritoryPortugal
    CityLisbon
    Period06/17/0706/23/07

    Keywords

    • Charged particle spectroscopy
    • Gas-filled counters

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