Statistical reliability of gamma-ray line observations

Details Statistical reliability of gamma-ray line observations Statistical reliability of gamma-ray line observations

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icrc....1...76l&link_type=abstract

IN: International Cosmic Ray Conference, 18th, Bangalore, India, August 22-September 3, 1983, Conference Papers. Volume 1 (A85-2

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Gamma Ray Spectra, Line Spectra, Maximum Likelihood Estimates, Statistical Analysis, Confidence Limits, Cosmic X Rays, Crab Nebula, Galactic Nuclei, Reliability Analysis, Solar Flares, Solar X-Rays

Scientific paper

A procedure for evaluating the statistical significance and the confidence levels of a positive source and of line observations in gamma-ray astronomy is presented. The formulas derived make use of maximum likelihood ratio testing. The method is applied to a number of measurements of gamma-ray lines from Crab Nebula, Galactic center, Galactic plane, solar flare, and transient events, and several statistically reliable measurements are thereby distinguished.

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