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      Expectation on Observation of Supernova Remnants with the LHAASO Project

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          Abstract

          Supernova remnants (SNRs) are believed to be the most important acceleration sites for cosmic rays (CRs) below \(\sim10^{15}\) eV in the Galaxy. High energy photons, either directly from the shocks of the SNRs or indirectly from the interaction between SNRs and the nearby clouds, are crucial probes for the CR acceleration. Big progresses on observations of SNRs have been achieved by space- and ground-based \(\gamma\)-ray facilities. However, whether \(\gamma\)-rays come from accelerated hadrons or not, as well as their connection with the CRs observed at Earth, remains in debate. Large High Altitude Air Shower Observatory (LHAASO), the next generation experiment, is designed to survey the northern part of the very high energy \(\gamma\)-ray sky from \(\sim 0.3\) TeV to PeV with the sensitivity of \(\lesssim1\%\) of the Crab nebula flux. In this paper, we indicate that LHAASO will be dedicated to enlarging the \(\gamma\)-ray SNR samples and improving the spectral and morphological measurements. These measurements, especially at energies above 30 TeV, will be important for us to finally understand the CR acceleration in SNRs.

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          Author and article information

          Journal
          2016-05-18
          Article
          10.3847/0004-637X/826/1/63
          1605.05472
          80b91862-2faa-44c9-860c-b1ae5375d609

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          History
          Custom metadata
          8 pages, 7 figures, accepted to publish in the Astrophysical Journal
          astro-ph.HE

          High energy astrophysical phenomena
          High energy astrophysical phenomena

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