Primary cosmic ray energy spectrum and mean mass composition using data from the TAIGA astrophysical complex

V Prosin ,A Lukanov,B Lubsandorzhiev,A Sidorenkov,D Lukyantsev ,М Лаврова ,E Osipova ,В С Птускин ,Р Р Миргазов ,Е А Кравченко ,Н В Волков ,А Чиавасса ,A A Silaev ,Р И Райкин ,А Бородин ,E Okuneva ,A Sokolov ,Н Н Калмыков ,А Пушнин ,A Skurikhin ,L A Panasenko ,А Д Панов ,Eugene V Ryabov ,I Poddubny ,A Zhaglova ,M Ternovoy ,E Bonvech ,Д Воронин ,L Sveshnikova ,Д В Чернов ,Y Sagan ,А Пахоруков ,А Танаев ,Alexey A Silaev ,К Г Компаниец ,N Lubsandorzhiev ,В А Кожин ,A Zagorodnikov ,А А Петрухин ,D Podgrudkov ,A Vaidyanathan ,P Bezyazeekov ,B Tarashchansky ,В Самолига ,L Pankov ,А Пан ,О Гришин ,S Malakhov ,V Grebenyuk ,S Kiryuhin ,A Grinyuk ,D Zhurov ,Р Монхоев ,А А Лагутин ,В А Таболенко ,L Kuzmichev ,R Togoo ,V Poleschuk ,E Korosteleva ,Н Ушаков ,Л Ткачев ,A Garmash ,Р П Кокоулин ,Alexander Razumov ,А Булан ,И И Астапов ,O Gress ,A D Ivanova ,А Р Гафаров ,E Postnikov ,V Ponomareva ,E Gress ,A Dyachok ,Т Гресс ,Alexander Kryukov ,E Popova ,P Volchugov ,Anna L Ivanova ,Yu Lemeshev ,В В Киндин ,Г Рубцов ,I I Yashin

doi:10.21468/scipostphysproc.13.037

Primary cosmic ray energy spectrum and mean mass composition using data from the TAIGA astrophysical complex

V Prosin , A Lukanov + Show 80 more

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https://doi.org/10.21468/scipostphysproc.13.037

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Journal: SciPost Physics Proceedings	Publication Date: Sep 29, 2023
License type: CC BY 4.0

Affiliation: Institute of Nuclear Physics, Irkutsk State University, Joint Institute for Nuclear Research, Institute of Terrestrial Magnetism Ionosphere and Radio Wave Propagation, Budker Institute of Nuclear Physics, Novosibirsk State University, Altai State University, INFN Sezione di Torino, University of Turin, Moscow Engineering Physics Institute, Institute of Engineering Physics, Dubna State University, National Research Irkutsk State Technical University, Mongolian Academy of Sciences

#Primary Cosmic Ray Energy Spectrum #Spectrum Of Primary Cosmic Rays + Show 8 more

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Abstract

The corrected dependence of the mean depth of the EAS maximum X_{max}Xmax on the energy was obtained from the data of the Tunka-133 array for 7 years and the TAIGA-HiSCORE array for 2 years. The parameter \langle\ln A\rangle⟩lnA⟪, characterizing the mean mass compositon was derived from these results. The differential energy spectrum of primary cosmic rays in the energy range of 2\cdot 10^{14}2⋅1014 – 2\cdot 10^{16}2⋅1016 eV was reconstructed using the new parameter Q_{100}Q100 the Cherenkov light flux at the core distance 100 m. Change of the parameter for the energy reconstuction for the TAIGA-HiSCORE from Q_{200}Q200 to Q_{100}Q100 provides a decreasing energy threshold for the spectrum to about 200 TeV.

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