Physics – Nuclear Physics
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..774..391s&link_type=abstract
X-RAY DIAGNOSTICS OF ASTROPHYSICAL PLASMAS: Theory, Experiment, and Observation. AIP Conference Proceedings, Volume 774, pp. 39
Physics
Nuclear Physics
X-Ray Spectroscopy, Calorimeters, Supernovae, Nuclear Explosions, X- And Gamma-Ray Telescopes And Instrumentation, Photometric, Polarimetric, And Spectroscopic Instrumentation, Calorimeters, Nuclear Physics Aspects Of Novae, Supernovae, And Other Explosive Environments, Supernovae
Scientific paper
We introduce focusing optics and microcalorimeter spectroscopy to nuclear line emission astrophysics with a balloon payload concept called, B-MINE. It is 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 velocity distribution of the 44Ti emitting region. 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 6 × 10-8 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 centroids and width in CAS A. Details of the spectrometer and simulated results are presented.
Barbera Marco
Beeman Jeff
Christensen Finn
Diehl Roland
Forman William
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