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

Marco Barbera, Collura, Herbert W. Schnopper, Slane, Simon Bandler, Suzanne Romaine, Victor Reglero, Grindlay, Jeffery Beeman, William Forman, Norman Madden, Woosley, Barbera, Ramsey, Finn Christensen, Alvaro Gimenez, Tucker, Stephen Murray, Diehl, Christine JonesEugene Haller, Silver, Smith, Juan Fabregat

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B-MINE is a concept for a balloon mission designed to probe the deepest regions of a supernova explosion by detecting 44Ti emission at 68 keV with spatial and spectral resolutions that are sufficient to determine the extent and velocity distribution of the 44Ti 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 3σ sensitivity in 106 s of 3.3 × 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 44Ti emission line centroid and width in CASA.
Lingua originaleEnglish
Stato di pubblicazionePublished - 2002


All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering
  • Applied Mathematics
  • Computer Science Applications
  • Condensed Matter Physics

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Barbera, M., Collura, Schnopper, H. W., Slane, Bandler, S., Romaine, S., Reglero, V., Grindlay, Beeman, J., Forman, W., Madden, N., Woosley, Barbera, Ramsey, Christensen, F., Gimenez, A., Tucker, Murray, S., Diehl, ... Fabregat, J. (2002). B-MINE, the balloon-borne microcalorimeter nuclear line explorer.