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Title:A systematic uncertainty on the energy scale of the Telescope Array fluorescence detectors
Authors:Fujii, T. (Author)
Lundquist, J. P. (Author)
et al.
Files:.pdf ICRC2017_524.pdf (4,74 MB)
 
Language:English
Work type:Not categorized (r6)
Tipology:1.08 - Published Scientific Conference Contribution
Organization:UNG - University of Nova Gorica
Abstract:The Telescope Array experiment (TA) is the largest cosmic-ray detector in the northern hemi-sphere and consists of a surface detector (SD) array, plus three fluorescence detector (FD) stations overlooking the SD. The large field-of-view of an FD allows for reconstruction of the air-shower development in the atmosphere by imaging ultra-violet fluorescence light from atmospheric nitrogen excited by UHECRs. In estimation of the primary energy it is necessary to add to the calorimetric energy observed by the FD a “missing energy”, meaning the fraction of the primary energy that is not deposited by charged particles in the air. We report on the measurement of the missing energy from observed data collected by the TA FD and TA SD, independently of Monte Carlo simulations, using a technique pioneered by the Pierre Auger Observatory. We also address the effect on the energy scale attributed to fluorescence yield parameters.
Keywords:UHECR, cosmic rays, energy spectrum
Year of publishing:2018
Number of pages:7
Numbering:301, 301
COBISS_ID:13034499 Link is opened in a new window
URN:URN:SI:UNG:REP:XUCBWSKO
DOI:10.22323/1.301.0524 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
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Record is a part of a proceedings

Title:International Cosmic Ray Conference 2017

Record is a part of a journal

Title:Proceedings of Science ICRC 2017
Year of publishing:2018

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