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Tycho’s supernova remnant as a source of cosmic rays in our galaxy

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Abstract

The Tycho’s supernova remnant was observed using the SHALON atmospheric Cherenkov telescope at the Tien Shan High-Altitude Observatory. This object has long been considered to be a candidate for sources of cosmic ray hadrons in the Northern Hemisphere. In [1, 2], the Tycho’s properties were described using the nonlinear kinetic model of cosmic ray acceleration in supernovae remnants. The expected γ-ray flux from π 0-decay extends to energies > 30 eV, whereas the γ-ray photon flux generated by inverse Compton scattering is cut off above several TeV. Therefore, the detection of γ-rays at energies of 10–80 TeV by the SHALON telescope is an indication of their hadron origin. From the SHALON telescope data, additional information on such parameters of the Tycho’s supernova remnant as the distance and interstellar medium density was obtained within the theory [1, 2].

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Authors and Affiliations

  1. Lebedev Physical Institute, Russian Academy of Sciences, Leninskii pr. 53, Moscow, 119991, Russia

    V. G. Sinitsina, S. I. Nikolsky, V. Yu. Sinitsina & G. F. Platonov

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  1. V. G. Sinitsina
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  2. S. I. Nikolsky
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  3. V. Yu. Sinitsina
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  4. G. F. Platonov
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Correspondence to V. G. Sinitsina.

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Original Russian Text © V.G. Sinitsina, S.I. Nikolsky, V.Yu. Sinitsina, G.F. Platonov, 2011, published in Kratkie Soobshcheniya po Fizike, 2011, Vol. 38, No. 4, pp. 3–10.

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Sinitsina, V.G., Nikolsky, S.I., Sinitsina, V.Y. et al. Tycho’s supernova remnant as a source of cosmic rays in our galaxy. Bull. Lebedev Phys. Inst. 38, 91–95 (2011). https://doi.org/10.3103/S1068335611040014

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