One and Two Photon Annihilation Processes in a Strong Magnetic Field

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DC Field	Value	Language
dc.contributor.advisor	Sutherland, P. G.	en_US
dc.contributor.author	Carr, Alexander Simon	en_US
dc.date.accessioned	2014-06-18T16:43:15Z	-
dc.date.available	2014-06-18T16:43:15Z	-
dc.date.created	2009-07-03	en_US
dc.date.issued	1977-12	en_US
dc.identifier.other	opendissertations/375	en_US
dc.identifier.other	1239	en_US
dc.identifier.other	887943	en_US
dc.identifier.uri	http://hdl.handle.net/11375/8553	-
dc.description.abstract	<p>We present theoretical calculations of the annihilation rates for one and two photon decay of ground state positronium in a strong magnetic field, of order (10¹²-10¹³) Gauss such as assumed for neutron star surfaces. The calculation indicate that the one photon process at field of 10¹³ Gauss is of order (10ˉ⁴) compared to the two photon process. Consequently, a one photon annihilation line at 1.022 MeV is not expected in the spectra of neutron stars. The two photon rate is of order (5x10¹³ secˉ¹) at 10¹³ G; the half width is 43 keV. Thus, at such fields, the two photon line is fairly narrow and not smeared out through the magnetic field effects.</p>	en_US
dc.subject	Physics	en_US
dc.subject	Physics	en_US
dc.title	One and Two Photon Annihilation Processes in a Strong Magnetic Field	en_US
dc.type	thesis	en_US
dc.contributor.department	Physics	en_US
dc.description.degree	Master of Science (MS)	en_US
Appears in Collections:	Open Access Dissertations and Theses

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