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B-MINE, the balloon-borne microcalorimeter nuclear line explorer

  • E Silver
  • , H Schnopper
  • , C Jones
  • , W Forman
  • , S Bandler
  • , S Murray
  • , S Romaine
  • , P Slane
  • , J Grindlay
  • , N Madden
  • , J Beeman
  • , EE Haller
  • , D Smith
  • , M Barbera
  • , A Collura
  • , Finn Erland Christensen
  • , B Ramsey
  • , S Woosley
  • , R Diehl
  • , G Tucker
  • J Fabregat, V Reglero, A Gimenez

    Research output: Contribution to journal › Conference article › Research › peer-review

    Abstract

    B-MINE is a concept for a balloon mission designed to probe the deepest regions of a supernova explosion by detecting Ti-44 emission at 68 keV with spatial and spectral resolutions that are sufficient to determine the extent and velocity distribution of the Ti-44 emitting region. The payload introduces the concept of focusing optics and microcalorimeter spectroscopy to nuclear line emission astrophysics. B-MINE has a thin, plastic foil telescope multilayered to maximize the reflectivity in a 20 keV band centered at 68 keV and a microcalorimeter array optimized for the same energy band. This combination provides a reduced background, an energy resolution of 50 eV and a 3sigma sensitivity in 10(6) s of 3.3 x 10(-7) ph cm(-2) s(-1) at 68 keV. During the course of a long duration balloon flight, B-MINE could carry out a detailed study of the Ti-44 emission line centroid and width in CAS A.
    Original languageEnglish
    JournalA I P Conference Proceedings Series
    Volume587
    Pages (from-to)860-864
    Number of pages5
    ISSN0094-243X
    Publication statusPublished - 2001
    EventGamma-Ray Astrophysics 2001 Symposium - Baltimore, MD, United States
    Duration: 4 Apr 2001 → 6 Apr 2001

    Conference

    ConferenceGamma-Ray Astrophysics 2001 Symposium
    Country/TerritoryUnited States
    CityBaltimore, MD
    Period04/04/2001 → 06/04/2001

    Keywords

    • ASTRONOMY
    • EMISSION

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