Repository of University of Nova Gorica

Show document
A+ | A- | Help | SLO | ENG

Title:Hotspot Update, and a new Excess of Events on the Sky Seen by the Telescope Array Experiment
Authors:ID Kim, J. (Author)
ID Lundquist, Jon Paul (Author), et al.
Files:.pdf ICRC2021_328.pdf (4,29 MB)
MD5: 1C8FE880A3354BF1F65CE0554647138B
 
URL https://pos.sissa.it/395/328/
 
URL https://pos.sissa.it/395/328/pdf
 
Language:English
Work type:Not categorized
Typology:1.08 - Published Scientific Conference Contribution
Organization:UNG - University of Nova Gorica
Abstract:The Telescope Array (TA) experiment, the largest observatory studying ultrahigh energy cosmic rays in the northern hemisphere, has reported an excess in the arrival direction distribution for events with energies above 5.7×10^19 eV , called the hotspot. We report here the latest results of the TA hotspot using the most recent data measured by the TA surface detector array, which is more than doubled exposure since the first publication; the hotspot still exists with 3 sigma post-trial significance. By using an oversampling search with a 20∘-circle, similar to the study of the hotspot, we find an additional excess of events at slightly lower energies. The Perseus-Pisces supercluster lies at the location of the new excess. Assuming this structure is responsible for the excess, we conducted a statistical analysis to verify the correlation between observed events and the members of the Perseus-Pisces supercluster.
Keywords:Telescope Array, indirect detection, surface detection, ground array, ultra-high energy, cosmic rays, anisotropy, hotspot
Publication status:Published
Year of publishing:2022
PID:20.500.12556/RUNG-8510 New window
COBISS.SI-ID:166709251 New window
DOI:10.22323/1.395.0328 New window
NUK URN:URN:SI:UNG:REP:D4G4TBCI
Publication date in RUNG:03.10.2023
Views:1872
Downloads:7
Metadata:XML DC-XML DC-RDF
:
KIM, J. and LUNDQUIST, Jon Paul, 2022, Hotspot Update, and a new Excess of Events on the Sky Seen by the Telescope Array Experiment. In : 37th International Cosmic Ray Conference [online]. Published Scientific Conference Contribution. Trieste, Italy. 2022. [Accessed 23 April 2025]. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=8510
Copy citation
  
Average score:
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
(0 votes)
Your score:Voting is allowed only for logged in users.
Share:Bookmark and Share


Searching for similar works...Please wait....
Hover the mouse pointer over a document title to show the abstract or click on the title to get all document metadata.

Record is a part of a monograph

Title:37th International Cosmic Ray Conference : ICRC2023
Place of publishing:Trieste, Italy
Year of publishing:2022

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

Back