Hadronic gamma-rays from RX J1713.7-3946?

Gabici, Stefano; Aharonian, Felix A.

doi:10.1093/mnrasl/slu132

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Hadronic gamma-rays from RX J1713.7-3946?

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Aharonian, Felix A.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, Dublin 2, Ireland;

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http://mnrasl.oxfordjournals.org/content/445/1/L70.abstract
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Citation

Gabici, S., & Aharonian, F. A. (2014). Hadronic gamma-rays from RX J1713.7-3946? Monthly Notices of the Royal Astronomical Society: Letters, 445(1), L70-L73. doi:10.1093/mnrasl/slu132.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-2682-D

Abstract

RXJ1713.7-3946 is a key object to check the supernova remnant paradigm of the origin of Galactic cosmic rays. While the origin of its gamma-ray emission (hadronic versus leptonic) is still debated, the hard spectrum at GeV energies reported by the Fermi collaboration is generally interpreted as a strong argument in favor of a leptonic scenario. On the contrary, we show that hadronic interactions can naturally explain the gamma-ray spectrum if gas clumps are present in the supernova remnant shell. The absence of thermal X-rays from the remnant fits well within this scenario.