Search for gamma-ray emission above 50 TeV from Crab Nebula with the TAIGA detector
Л. Г. СвешниковаSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;И. И. АстаповNational Research Nuclear University MEPhI (Moscow Engineering Physics Institute) , Moscow , RussiaP. A. BezyazeekovInstitute of Applied Physics ISU , Irkutsk , Russia ;V. BoreykoJINR , Dubna , RussiaА. БородинJINR , Dubna , RussiaMartin BruecknerDESY , Zeuthen , GermanyН. БудневInstitute of Applied Physics ISU , Irkutsk , Russia ;A. ChiavassaDipartimento di Fisica Generale Universiteta di Torino and INFN , Torino , ItalyA. N. DyachokInstitute of Applied Physics ISU , Irkutsk , Russia ;Oleg FedorovInstitute of Applied Physics ISU, Irkutsk, Russia ;A. GafarovInstitute of Applied Physics ISU , Irkutsk , Russia ;N. GorbunovJINR , Dubna , RussiaV. GrebenyukJINR , Dubna , RussiaО. ГрессInstitute of Applied Physics ISU, Irkutsk, Russia ;Т. И. ГрессInstitute of Applied Physics ISU, Irkutsk, Russia ;O. GrishinInstitute of Applied Physics ISU , Irkutsk , Russia ;A. A. GrinyukJINR , Dubna , RussiaD. HornsInstitut für Experimentalphysik, University of Hamburg, GermanyIvanova LaInstitute of Applied Physics ISU, Irkutsk, Russia ;Н. Н. КалмыковSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;Yulia KazarinaInstitute of Applied Physics ISU , Irkutsk , Russia ;В. В. КиндинNational Research Nuclear University MEPhI (Moscow Engineering Physics Institute) , Moscow , RussiaS. KiryuhinInstitute of Applied Physics ISU , Irkutsk , Russia ;Р. П. КокоулинNational Research Nuclear University MEPhI (Moscow Engineering Physics Institute) , Moscow , RussiaК. Г. КомпаниецNational Research Nuclear University MEPhI (Moscow Engineering Physics Institute) , Moscow , RussiaЕ. Е. КоростелеваSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;Vladimir V KozhinSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;Е. В. КравченкоNovosibirsk State University, NSU, Novosibirsk, RussiaМ. КуннасInstitut für Experimentalphysik, University of Hamburg, GermanyL. A. KuzmichevInstitute of Applied Physics ISU, Irkutsk, Russia ;Yu. LemeshevInstitute of Applied Physics ISU, Irkutsk, Russia ;Vladimir LenokInstitute of Applied Physics ISU, Irkutsk, Russia ;Б. ЛубсандоржиевInstitute for Nuclear Research of RAN , Moscow , Russia;Н. ЛубсандоржиевSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;Р. Р. МиргазовInstitute of Applied Physics ISU , Irkutsk , Russia ;Razmik MirzoyanMax-Planck-Institute for Physics , Munich , GermanyР. МонхоевInstitute of Applied Physics ISU, Irkutsk, Russia ;R. NachtigallInstitut für Experimentalphysik, University of Hamburg, GermanyE. OsipovaInstitute of Applied Physics ISU , Irkutsk , Russia ;А. ПахоруковInstitute of Applied Physics ISU , Irkutsk , Russia ;M. I. PanasyukSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;L. PankovInstitute of Applied Physics ISU, Irkutsk, Russia ;А. А. ПетрухинNational Research Nuclear University MEPhI (Moscow Engineering Physics Institute) , Moscow , RussiaV. PoleschukInstitute of Applied Physics ISU, Irkutsk, Russia ;E. PopescuE. PopovaSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;А. ПореллиDESY , Zeuthen , GermanyЕ. ПостниковSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;V. ProsinSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;В. С. ПтускинIZMIRAN , Moscow , RussiaE.V. RjabovInstitute of Applied Physics ISU , Irkutsk , Russia ;Г. И. РубцовInstitute for Nuclear Research of RAN , Moscow , Russia;А. ПушнинInstitute of Applied Physics ISU , Irkutsk , Russia ;Yaroslav SaganJINR , Dubna , RussiaB. SabirovJINR , Dubna , RussiaВ. СамолигаInstitute of Applied Physics ISU, Irkutsk, Russia ;Yu. SemeneyInstitute of Applied Physics ISU, Irkutsk, Russia ;А. СилаевSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;А. СилаевSkobeltsyn Institute of Nuclear Physics MSU , Moscow , Russia;Andrey SidorenkovInstitute for Nuclear Research of RAN , Moscow , Russia;Aleksandr Vasilevich SkurihinV. SluneckaJINR , Dubna , RussiaA. SokolovBudker Institute of Nuclear Physics SB RAS, Novosibirsk, RussiaC. SpieringDESY , Zeuthen , GermanyВ. А. ТаболенкоInstitute of Applied Physics ISU, Irkutsk, Russia ;B. TarashanskyInstitute of Applied Physics ISU, Irkutsk, Russia ;A. TkachenkoJINR , Dubna , RussiaЛ. ТкачевJINR , Dubna , RussiaM. TluczykontInstitut für Experimentalphysik , University of Hamburg , GermanyR. WischnewskiDESY , Zeuthen , GermanyА. ЗагородниковInstitute of Applied Physics ISU, Irkutsk, Russia ;Д. ЖуровInstitute of Applied Physics ISU , Irkutsk , Russia ;В. Л. ЗурбановInstitute of Applied Physics ISU , Irkutsk , Russia ;I. I. YashinNational Research Nuclear University MEPhI (Moscow Engineering Physics Institute) , Moscow , Russia
2017en
ABI
Annotatsiya
The TAIGA (Tunka Advanced Instrument for cosmic rays and Gamma-Astronomy) observatory is designed to study the gamma ray sources and galactic cosmic rays. It is located in the Tunka Valley 50 km from the lake Baikal (Siberia). The first part of TAIGA called the EAS Cherenkov array TAIGA-HiSCORE currently consists of 28 wide-angle (0.6 sr) stations, distributed over an area of 0.25 km^2. The Crab observation exposure was about 115 hours during the winter seasons of 2016-2017. The expected gamma quanta excess depends on the array energy threshold and a model of the Crab energy spectrum extrapolation to the higher energies. We present preliminary results of experimental data and MC simulations comparison as well as energy threshold and angular resolutions. The experimental data is in a good agreement with the simulations. An excess of events (about 25 events in the region 30-63 TeV) observed from the Crab direction is compatible with the expected one.
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