11 March 2003 B-MINE, the balloon-borne microcalorimeter nuclear line explorer
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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 3F 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 CAS A.
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Eric H. Silver, Eric H. Silver, Herbert W. Schnopper, Herbert W. Schnopper, Christine Jones, Christine Jones, William Forman, William Forman, Simon R. Bandler, Simon R. Bandler, Stephen S. Murray, Stephen S. Murray, Suzanne E. Romaine, Suzanne E. Romaine, Patrick O. Slane, Patrick O. Slane, Jonathan E. Grindlay, Jonathan E. Grindlay, Norman W. Madden, Norman W. Madden, Jeffrey W. Beeman, Jeffrey W. Beeman, Eugene E. Haller, Eugene E. Haller, David M. Smith, David M. Smith, Marco Barbera, Marco Barbera, Alfonso Collura, Alfonso Collura, Finn Erland Christensen, Finn Erland Christensen, Brian D. Ramsey, Brian D. Ramsey, Stanford E. Woosley, Stanford E. Woosley, Roland Diehl, Roland Diehl, Gregory S. Tucker, Gregory S. Tucker, Juan Fabregat, Juan Fabregat, Victor Reglero, Victor Reglero, Alvaro Gimenez, Alvaro Gimenez, } "B-MINE, the balloon-borne microcalorimeter nuclear line explorer", Proc. SPIE 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy, (11 March 2003); doi: 10.1117/12.461410; https://doi.org/10.1117/12.461410


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