Search for astrophysical PeV gamma rays from point sources with Carpet-2
| Autor: | V. S. Romanenko, E. A. Gorbacheva, N. F. Klimenko, O. I. Mikhailova, D. D. Dzhappuev, V. B. Petkov, I.S. Karpikov, Y. Zhezher, Grigory Rubtsov, A. N. Kurenya, Sergey Troitsky, A. S. Lidvansky, A. U. Kudzhaev, M. M. Khadzhiev, K. V. Ptitsyna, I. M. Dzaparova, A. F. Yanin |
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| Rok vydání: | 2018 |
| Předmět: |
Physics
High Energy Astrophysical Phenomena (astro-ph.HE) COSMIC cancer database Photon Physics::Instrumentation and Detectors 010308 nuclear & particles physics Astrophysics::High Energy Astrophysical Phenomena QC1-999 Gamma ray FOS: Physical sciences Astrophysics 01 natural sciences Early results 0103 physical sciences High Energy Physics::Experiment Point (geometry) Neutrino Astrophysics - High Energy Astrophysical Phenomena 010306 general physics Muon detector |
| Zdroj: | EPJ Web of Conferences, Vol 207, p 03004 (2019) |
| DOI: | 10.48550/arxiv.1812.02663 |
| Popis: | Early results of the search for E_\gamma>1 PeV cosmic photons from point sources with the data of Carpet-2, an air-shower array equipped with a 175 m^2 muon detector, are presented. They include 95% CL upper limits on PeV photon fluxes from stacked directions of high-energy IceCube neutrino events and from four predefined sources, Crab, Cyg X-3, Mrk 421 and Mrk 501. An insignificant excess of events from Mrk 421 will be further monitored. Prospects of the use of the upgraded installation, Carpet-3 (410 m^2 muon detector), scheduled to start data taking in 2019, for searches of E_\gamma>100 TeV photons, are briefly discussed. Comment: 5 pages, 2 figures, webofc style. Presented at the VLVNT-2018 workshop, Dubna, October 2-4, 2018. V2: minor copy-editing changes |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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