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Statistical analysis of detection of, and upper limits on, dark matter lines
University of Kalmar, School of Pure and Applied Natural Sciences.
2007 (English)In: First GLAST Symposium, 2007Chapter in book (Other (popular science, discussion, etc.))
Abstract [en]

In this note we present calculations of coverage and power for three different methods which could be used to calculate upper limits and/or claim discovery in a GLAST-LAT search fora dark matter line. The methods considered are Profile Likelihood, Bayesian factors and likelihood ratio confidence intervals and the calculations are done considering a simple benchmark model of two uncorrelated Poissonian measurements. Profile likelihood has the best coverage properties, the standard X-2 test the worst. For the power, the situation is vice-versa. In choosing a method one has to consider the false detection rate (1 - coverage) and counterweigh it to the possible achievable power.

Place, publisher, year, edition, pages
2007.
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URN: urn:nbn:se:hik:diva-2838ISI: 000248569700210ISBN: 0094-243X 978-0-7354-0431-1 (print)OAI: oai:DiVA.org:hik-2838DiVA, id: diva2:299574
Note
Conrad, Jan Scargle, Jeffrey Ylinen, Tomi 1st GLAST Symposium FEB 05-08, 2007 Stanford, CAAvailable from: 2010-02-23 Created: 2010-02-23 Last updated: 2011-09-19Bibliographically approved

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Ylinen, T.

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  • apa
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