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Title:Constraints on the diffuse photon flux with energies above 10^18 eV using the surface detector of the Telescope Array experiment
Authors:ID Abbasi, R.U. (Author)
ID Lundquist, Jon Paul, UNG (Author), et al.
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Language:English
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:We present the results of the search for ultra-high-energy photons with nine years of data from the Telescope Array surface detector. A multivariate classifier is built upon 16 reconstructed parameters of the extensive air shower. These parameters are related to the curvature and the width of the shower front, the steepness of the lateral distribution function, and the timing parameters of the waveforms sensitive to the shower muon content. A total number of two photon candidates found in the search is fully compatible with the expected background. The 95% CL limits on the diffuse flux of the photons with energies greater than 10^18.0, 10^18.5, 10^19.0, 10^19.5 and 10^20.0 eV are set at the level of 0.067, 0.012, 0.0036, 0.0013, correspondingly.
Keywords:Ultra-high-energy photons, Telescope array experiment, Extensive air showers
Year of publishing:2018
Number of pages:7
Numbering:110, 110
PID:20.500.12556/RUNG-5463 New window
COBISS.SI-ID:13240067 New window
DOI:10.1016/j.astropartphys.2019.03.003 New window
NUK URN:URN:SI:UNG:REP:TM7ZFVAT
Publication date in RUNG:30.04.2020
Views:4451
Downloads:0
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ABBASI, R.U. and LUNDQUIST, Jon Paul, 2018, Constraints on the diffuse photon flux with energies above 10^18 eV using the surface detector of the Telescope Array experiment. Astroparticle Physics [online]. 2018. Vol. 110, no. 110. [Accessed 21 April 2025]. DOI 10.1016/j.astropartphys.2019.03.003. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=5188
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Title:Astroparticle Physics
Year of publishing:2018

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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.
Licensing start date:29.04.2020

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