| Title: | Updated Results on the UHECR Hotspot Observed by the Telescope Array Experiment |
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| Authors: | ID Kawata, K. (Author)
ID Lundquist, Jon Paul, UNG (Author), et al. |
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| Files: |  ICRC2019_310.pdf (934,91 KB)
MD5: 721E540D15D9DD60BE537436CE037783
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| Language: | English |
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| Work type: | Not categorized |
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| Typology: | 1.08 - Published Scientific Conference Contribution |
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| Organization: | UNG - University of Nova Gorica
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| Abstract: | The Telescope Array Experiment has observed an indication of intermediate-scale anisotropy in the UHECR arrival directions, called the Hotspot, with E>57 EeV around the Ursa Major using the first 5-year data during a period between May 2008 and May 2013 collected by the TA surface detector array. The chance probability of this hotspot in an isotropic cosmic-ray sky was calculated to be 3.4σ (post trial). In this paper, we will report on an update of this result using the 11-year data collected by the TA surface detectors with more than doubled exposure since the first publication. |
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| Keywords: | UHECR, cosmic rays, anisotropy |
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| Publication version: | Version of Record |
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| Year of publishing: | 2019 |
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| Number of pages: | 5 |
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| Numbering: | ICRC2019, 358 |
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| PID: | 20.500.12556/RUNG-5165-3c61acb4-9c56-47bf-0126-81d7ed4cdb76  |
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| COBISS.SI-ID: | 12880643 |
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| NUK URN: | URN:SI:UNG:REP:GQ42G5SO |
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| Publication date in RUNG: | 28.04.2020 |
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| Views: | 3143 |
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| Downloads: | 84 |
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