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The detection of the Sc-44 nuclear de-excitation lines and hard X-ray emission from Cas A | | Jacco Vink
; J. Martin Laming
; | | Date: |
15 May 2002 | | Subject: | astro-ph | | Affiliation: | Columbia University), J. Martin Laming (Naval Research Laboratory | | Abstract: | We discuss the detection of Sc-44 (product of Ti-44) in the supernova remnant Cas A with the BeppoSAX-PDS instrument, and elaborate on the nature of the hard X-ray continuum, which is not only important for correctly estimating the Sc-44 flux, but is interesting in its own right. We apply the lower hybrid wave electron acceleration model to the hard X-ray data and use upper limits on the cosmic ray injection spectrum to infer that B > 2 mG. We conclude with the prospects of observing nuclear decay lines and electron-positron annihilation in Cas A with INTEGRAL. | | Source: | arXiv, astro-ph/0205235 | | Services: | Forum | Review | PDF | Favorites | |
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