کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1846294 1033324 2006 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Extensive air showers generated by gamma-quanta from Geminga and Tycho's SNR at energy range 1–30 TeV
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک هسته ای و انرژی بالا
پیش نمایش صفحه اول مقاله
Extensive air showers generated by gamma-quanta from Geminga and Tycho's SNR at energy range 1–30 TeV
چکیده انگلیسی

The gamma-quantum emitting objects in our Galaxy are supernova remnants and binary. The observed results of gamma-quantum sources Tycho Brahe and Geminga by the SHALON gamma-telescope are presented. The integral spectra of events from the source - kon and background events, observing simultaneously with source's events - koff, and the source image are presented. The energy spectra of Tycho's SNR and Geminga supernova remnant F(E0>0.8TeV)∼Ek are harder than the Crab Nebula spectrum. Tycho's SNR has long been considered as a candidate cosmic ray source in Northern Hemisphere. A non-linear kinetic model of cosmic ray acceleration in supernova remnants was used for Tycho's SNR. The expected π°-decay gamma-quanta flux extends up to ∼30TeV, whereas the Inverse Compton gamma-ray flux has a cut-off above a few TeV. So, the detection of gamma-rays at energies of ∼10−30TeV by SHALON is evidence for hadron origin.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Physics B - Proceedings Supplements - Volume 151, Issue 1, January 2006, Pages 112-115