{ "id": "astro-ph/9607069", "version": "v1", "published": "1996-07-13T12:54:48.000Z", "updated": "1996-07-13T12:54:48.000Z", "title": "A simple formula for the thermal pair annihilation line emissivity", "authors": [ "Roland Svensson", "Stefan Larsson", "Juri Poutanen" ], "comment": "4 pages; l-aa style; 2 postscript figures; Proceedings of 3rd Compton Gamma-Ray Observatory Symposium, Munich, 1995", "categories": [ "astro-ph" ], "abstract": "We introduce a simple and convenient fitting formula for the thermal annihilation line from pair plasmas in cosmic sources. The fitting formula is accurate to 0.04\\% and is valid at all photon energies and temperatures of interest. The commonly used Gaussian line profile is not a good approximation for broader lines.", "revisions": [ { "version": "v1", "updated": "1996-07-13T12:54:48.000Z" } ], "analyses": { "keywords": [ "thermal pair annihilation line emissivity", "simple formula", "thermal annihilation line", "convenient fitting formula", "broader lines" ], "tags": [ "journal article" ], "publication": { "doi": "10.1051/aas:1996311" }, "note": { "typesetting": "TeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable", "inspire": 436357 } } }