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Improving the discrimination capability of heavy nuclei based on direct Cherenkov light
马玲玲(天); Zhang SS(张寿山); Bi BY(毕白洋); Yin LQ(尹丽巧); Zhao, LT; Ma, LL; Zhang, SS; Bi, BY; Yin, LQ
AbstractThe accurate measurement of individual species of cosmic rays (CRs) is very important to solve the problem of their origin. CR spectra with energies > 100 TeV can be evaluated only by detecting extensive air showers on the ground. Thus, identifying the primary components of CRs depends highly on hadronic interaction models. Direct Cherenkov light (DC-light) emitted by the primary components of CRs prior to first interaction in the atmosphere can be used to identify such primary components. The intensity of DC-light is proportional to the square of the charge of CRs primary components and independent of the hadronic interaction model. In this study, we investigate the characteristics of DC-light and its ability to discriminate heavy nuclei (iron and MgAlSi) from CR components by using the Wide Field-of-view Cherenkov Telescope Array of the Large High-Altitude Air-Shower Observatory (LHAASO-WFCTA) in the energy range between 50 TeV and 500 TeV. Results suggest that DC-light can be used in the LHAASO to improve the reconstruction accuracy of CR heavy components. (C) 2018 Elsevier B.V. All rights reserved.
KeywordCosmic rays DC-Light EAS-Light Composition discrimination Hadronic interaction model LHAASO-WFCTA
Indexed BySCI ; EI
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000445718600004
EI Accession Number20182705404963
ADS Bibcode2018APh...103...21Z
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Document Type期刊论文
Corresponding Author马玲玲(天)
First Author AffilicationInstitute of High Energy
Corresponding Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Ma LL,Zhang SS,Bi BY,et al. Improving the discrimination capability of heavy nuclei based on direct Cherenkov light[J]. ASTROPARTICLE PHYSICS,2018,103:21-28.
APA 马玲玲.,张寿山.,毕白洋.,尹丽巧.,Zhao, LT.,...&Yin, LQ.(2018).Improving the discrimination capability of heavy nuclei based on direct Cherenkov light.ASTROPARTICLE PHYSICS,103,21-28.
MLA 马玲玲,et al."Improving the discrimination capability of heavy nuclei based on direct Cherenkov light".ASTROPARTICLE PHYSICS 103(2018):21-28.
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