Browsing Articles by Subject "Gamma rays"

Browsing Articles by Subject "Gamma rays"

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  • Kirsebom, O. S.; Bender, P.; Cheeseman, A.; Christian, G.; Churchman, R.; Cross, D. S.; Davids, B.; Evitts, L. J.; Fallis, J.; Galinski, N.; Sanetullaev, Alisher (American Physical Society, 2016-02-02)
    Several lifetimes in [superscript 23]Mg have been determined for the first time using the Doppler-shift attenuation method. A Monte Carlo simulation code has been written to model the [gamma]-ray line shape. An upper limit ...

  • Gallo, Luigi C.; Foschini, L.; Angelakis, E.; Fuhrmann, L.; Ghisellini, G.; Hovatta, T.; Lahteenmaki, A.; Lister, M. L.; Braito, V.; Hamilton, T. S. (EDP Sciences, 2012-11)
    We present more than three years of observations at different frequencies, from radio to high-energy [gamma]-rays, of the Narrow-Line Seyfert 1 (NLS1) Galaxy PMN J0948+0022 (z = 0.585). This source is the first NLS1 detected ...

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