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Title:Evidence of Intermediate-Scale Energy Spectrum Anisotropy in the Northern Hemisphere from Telescope Array
Authors:Lundquist, J. P. (Author)
et al.
Files:.pdf ICRC2017_513.pdf (4,87 MB)
Work type:Not categorized (r6)
Tipology:1.08 - Published Scientific Conference Contribution
Organization:UNG - University of Nova Gorica
Abstract:Evidence of an energy dependent intermediate-scale anisotropy has been found in the arrival directions of ultra-high energy cosmic rays in the northern hemisphere, using 7 years of TA surface detector data. The previously reported ``hot spot" excess E ≥ 10^19.75 EeV is found to correspond to a deficit, or ``cold spot," of events for 10^19.2≤ E < 10^19.75 EeV. This feature suggests energy dependent magnetic deflection of cosmic-rays. The global post-trial significance of the energy spectrum deviation is found to be 3.74σ.
Keywords:UHECR, cosmic rays, energy spectrum, anisotropy, magnetic deflection
Year of publishing:2018
Number of pages:8
Numbering:301, ICRC2017
COBISS_ID:12897283 Link is opened in a new window
DOI:10.22323/1.301.0513 Link is opened in a new window
License:CC BY-NC-ND 4.0
This work is available under this license: Creative Commons Attribution Non-Commercial No Derivatives 4.0 International
Categories:Document is not linked to any category.
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Record is a part of a proceedings

Title:International Cosmic Ray Conference

Record is a part of a journal

Title:Proceedings of Science ICRC 2017
Shortened title:PoS ICRC2017
Year of publishing:2018