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How Can We Find the Sources of UHECR?

Authors
Kim, Hang Bae
Issue Date
Sep-2010
Publisher
KOREAN PHYSICAL SOC
Keywords
Cosmic ray; Dark matter; Angular correlation
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.57, no.3, pp.655 - 659
Indexed
SCIE
SCOPUS
KCI
Journal Title
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
Volume
57
Number
3
Start Page
655
End Page
659
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/174167
DOI
10.3938/jkps.57.655
ISSN
0374-4884
Abstract
We describe how the basic observables of ultra-high energy cosmic rays (UHECR), the composition, the energy spectrum, and the arrival directions, can be used to identify their origin. We focus on the arrival directions and develop a statistical test method to quantify the significance level of the given hypothesis for the sources based basically on the angular correlation between the sources and the cosmic rays and that between cosmic rays themselves. This method is applied to test the super-heavy dark matter (SHDM) model for the UHECR origin by using the SUGAR and the PAO data and the SHDM model is found to be disfavored.
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