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Ashot Chilingarian
Researcher at Yerevan Physics Institute
Publications - 295
Citations - 10049
Ashot Chilingarian is an academic researcher from Yerevan Physics Institute. The author has contributed to research in topics: Cosmic ray & KASCADE. The author has an hindex of 50, co-authored 267 publications receiving 9023 citations. Previous affiliations of Ashot Chilingarian include National Research Nuclear University MEPhI & Space Research Institute.
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Journal ArticleDOI
Variable very high energy γ-ray emission from markarian 501
Justin Albert,E. Aliu,H. Anderhub,P. Antoranz,A. Armada,C. Baixeras,Juan Abel Barrio,H. Bartko,Denis Bastieri,Julia Becker,W. Bednarek,K. Berger,Ciro Bigongiari,Adrian Biland,R. K. Bock,R. K. Bock,Pol Bordas,Valentí Bosch-Ramon,Thomas Bretz,I. Britvitch,M. Camara,E. Carmona,Ashot Chilingarian,J. A. Coarasa,S. Commichau,Jose Luis Contreras,Juan Cortina,M. T. Costado,V. Curtef,V. Danielyan,Francesco Dazzi,A. De Angelis,C. Delgado,R. de los Reyes,B. De Lotto,E. Domingo-Santamaría,Daniela Dorner,Michele Doro,Manel Errando,Michela Fagiolini,Daniel Ferenc,Enrique Fernández,R. Firpo,Jose Flix,M. V. Fonseca,Ll. Font,M. Fuchs,Nicola Galante,R. J. García-López,M. Garczarczyk,Markus Gaug,Maria Giller,Florian Goebel,D. Hakobyan,Masaaki Hayashida,T. Hengstebeck,A. Herrero,D. Höhne,J. Hose,Dario Hrupec,C. C. Hsu,P. Jacon,T. Jogler,R. Kosyra,D. Kranich,R. Kritzer,A. Laille,Elina Lindfors,Saverio Lombardi,Francesco Longo,J. López,M. López,E. Lorenz,E. Lorenz,P. Majumdar,G. Maneva,K. Mannheim,Oriana Mansutti,Mosè Mariotti,M. I. Martínez,Daniel Mazin,C. Merck,Mario Meucci,M. Meyer,Jose Miguel Miranda,R. Mirzoyan,S. Mizobuchi,Abelardo Moralejo,Daniel Nieto,K. Nilsson,Jelena Ninkovic,E. Oña-Wilhelmi,N. Otte,N. Otte,I. Oya,David Paneque,David Paneque,M. Panniello,Riccardo Paoletti,J. M. Paredes,M. Pasanen,D. Pascoli,F. Pauss,R. Pegna,Massimo Persic,Massimo Persic,L. Peruzzo,A. Piccioli,Elisa Prandini,N. Puchades,A. Raymers,Wolfgang Rhode,Marc Ribó,J. Rico,M. Rissi,A. Robert,S. Rügamer,A. Saggion,Takashi Saito,Alvaro Sanchez,P. Sartori,V. Scalzotto,V. Scapin,R. Schmitt,T. Schweizer,M. Shayduk,M. Shayduk,K. Shinozaki,S. N. Shore,N. Sidro,A. Sillanpää,Dorota Sobczyńska,Antonio Stamerra,L. S. Stark,L. O. Takalo,Fabrizio Tavecchio,Petar Temnikov,D. Tescaro,Masahiro Teshima,Diego F. Torres,Diego F. Torres,Nicola Turini,H. Vankov,V. Vitale,Robert Wagner,Tadeusz Wibig,W. Wittek,F. Zandanel,Roberta Zanin,J. Zapatero +149 more
TL;DR: The MAGIC telescope was used to observe the blazar Markarian 501 (Mrk 501) at energies above 100 GeV from May through July 2005 as mentioned in this paper, and the high sensitivity of the instrument enabled the determination of the flux and spectrum of the source on a night-by-night basis.
Journal ArticleDOI
KASCADE measurements of energy spectra for elemental groups of cosmic rays: Results and open problems
T. Antoni,W. D. Apel,A.F. Badea,K. Bekk,Alexandru Bercuci,J. Blümer,H. Bozdog,I.M. Brancus,Ashot Chilingarian,Kai Daumiller,P. Doll,R. Engel,J. Engler,F. Feßler,H.J. Gils,R. Glasstetter,Andreas Haungs,D. Heck,Jörg R. Hörandel,Karl-Heinz Kampert,H.O. Klages,Gernot Maier,H. J. Mathes,H.J. Mayer,J. Milke,Marcio Aparecido Muller,R. Obenland,J. Oehlschläger,S. Ostapchenko,M. Petcu,H. Rebel,A. Risse,M. Risse,Markus Roth,G. Schatz,H. Schieler,J. Scholz,T. Thouw,H. Ulrich,J. van Buren,A. Vardanyan,A. Weindl,J. Wochele,J. Zabierowski +43 more
TL;DR: In this paper, a composition analysis of KASCADE air shower data is performed by means of unfolding the two-dimensional frequency spectrum of electron and muon numbers, and the analysis is the determination of energy spectra for elemental groups representing the chemical composition of primary cosmic rays.
Journal ArticleDOI
Very-High-Energy Gamma Rays from a Distant Quasar: How Transparent Is the Universe?
J. Albert,E. Aliu,H. Anderhub,L. A. Antonelli,P. Antoranz,Michael Backes,C. Baixeras,Juan Abel Barrio,H. Bartko,Denis Bastieri,J. K. Becker,W. Bednarek,K. Berger,Elisa Bernardini,Ciro Bigongiari,Adrian Biland,R. K. Bock,G. Bonnoli,P. Bordas,Valentí Bosch-Ramon,Thomas Bretz,I. Britvitch,M. Camara,E. Carmona,Ashot Chilingarian,S. Commichau,Jose Luis Contreras,Juan Cortina,M. T. Costado,Stefano Covino,V. Curtef,Francesco Dazzi,A. De Angelis,E. De Cea del Pozo,R. de los Reyes,B. De Lotto,M. De Maria,F. De Sabata,C. Delgado Mendez,Aaron Dominguez,Daniela Dorner,Michele Doro,Manel Errando,Michela Fagiolini,Daniel Ferenc,E. Fernandez,R. Firpo,M. V. Fonseca,Ll. Font,Nicola Galante,R. J. García López,M. Garczarczyk,Markus Gaug,Florian Goebel,M. Hayashida,A. Herrero,D. Höhne,J. Hose,C. C. Hsu,S. Huber,T. Jogler,T. Kneiske,D. Kranich,A. La Barbera,A. Laille,E. Leonardo,Elina Lindfors,Saverio Lombardi,Francesco Longo,M. López,E. Lorenz,P. Majumdar,G. Maneva,N. Mankuzhiyil,K. Mannheim,L. Maraschi,Mosè Mariotti,M. I. Martínez,Daniel Mazin,Mario Meucci,M. S. Meyer,Jose Miguel Miranda,R. Mirzoyan,S. Mizobuchi,Mariano Moles,Abelardo Moralejo,Daniel Nieto,K. Nilsson,Jelena Ninkovic,N. Otte,I. Oya,M. Panniello,Riccardo Paoletti,J. M. Paredes,M. Pasanen,D. Pascoli,F. Pauss,R. Pegna,Miguel A. Pérez-Torres,Massimo Persic,L. Peruzzo,A. Piccioli,Francisco Prada,Elisa Prandini,N. Puchades,A. Raymers,Wolfgang Rhode,Marc Ribó,J. Rico,M. Rissi,A. Robert,S. Rügamer,A. Saggion,Takashi Saito,M. Salvati,Miguel A. Sánchez-Conde,P. Sartori,Konstancja Satalecka,V. Scalzotto,V. Scapin,R. Schmitt,T. Schweizer,M. Shayduk,K. Shinozaki,Steven N. Shore,N. Sidro,Agnieszka Sierpowska-Bartosik,A. Sillanpää,Dorota Sobczyńska,Felix Spanier,Antonio Stamerra,L. S. Stark,L. O. Takalo,Fabrizio Tavecchio,Petar Temnikov,D. Tescaro,Masahiro Teshima,M. Tluczykont,Diego F. Torres,Nicola Turini,H. Vankov,Alessio Venturini,V. Vitale,Robert Wagner,W. Wittek,Victor Zabalza,Fabio Zandanel,Roberta Zanin,J. Zapatero +148 more
TL;DR: The atmospheric Cherenkov gamma-ray telescope MAGIC, designed for a low-energy threshold, has detected very-high-energy gamma rays from a giant flare of the distant Quasi-Stellar Radio Source 3C 279, at a distance of more than 5 billion light-years.
Journal ArticleDOI
Variable Very High Energy Gamma-ray Emission from the Microquasar LS I +61 303.
Justin Albert,E. Aliu,H. Anderhub,P. Antoranz,A. Armada,M. Asensio,C. Baixeras,Juan Abel Barrio,M. Bartelt,H. Bartko,Denis Bastieri,S. R. Bavikadi,W. Bednarek,K. Berger,Ciro Bigongiari,Adrian Biland,E. Bisesi,R. K. Bock,Pol Bordas,Valentí Bosch-Ramon,Thomas Bretz,I. Britvitch,M. Camara,E. Carmona,Ashot Chilingarian,Stefano Ciprini,J. A. Coarasa,S. Commichau,Jose Luis Contreras,Juan Cortina,V. Curtef,V. Danielyan,Francesco Dazzi,A. De Angelis,R. de los Reyes,B. De Lotto,E. Domingo-Santamaría,Daniela Dorner,Michele Doro,Manel Errando,Michela Fagiolini,Daniel Ferenc,E. Fernandez,R. Firpo,Jose Flix,M. V. Fonseca,Ll. Font,M. Fuchs,Nicola Galante,M. Garczarczyk,Markus Gaug,Maria Giller,Florian Goebel,D. Hakobyan,Masaaki Hayashida,T. Hengstebeck,D. Höhne,J. Hose,C. C. Hsu,Paula Gina Isar,P. Jacon,O. Kalekin,R. Kosyra,D. Kranich,D. Kranich,M. Laatiaoui,A. Laille,T. Lenisa,P. Liebing,Elina Lindfors,S. Lombardi,Francesco Longo,Josue J. Lopez,M. López,E. Lorenz,F. Lucarelli,P. Majumdar,G. Maneva,K. Mannheim,Oriana Mansutti,Mosè Mariotti,M. I. Martínez,K. Mase,Daniel Mazin,C. Merck,Mario Meucci,M. Meyer,Jose Miguel Miranda,R. Mirzoyan,S. Mizobuchi,Abelardo Moralejo,K. Nilsson,E. Oña-Wilhelmi,R. Orduña,N. Otte,I. Oya,David Paneque,Riccardo Paoletti,Josep M. Paredes,M. Pasanen,D. Pascoli,F. Pauss,N. Pavel,R. Pegna,Massimo Persic,L. Peruzzo,A. Piccioli,M. Poller,Guy G. Pooley,Elisa Prandini,A. Raymers,Wolfgang Rhode,Marc Ribó,J. Rico,B. Riegel,M. Rissi,A. Robert,Gustavo E. Romero,S. Rügamer,A. Saggion,Alvaro Sanchez,P. Sartori,V. Scalzotto,V. Scapin,R. Schmitt,T. Schweizer,M. Shayduk,K. Shinozaki,Steven N. Shore,N. Sidro,A. Sillanpää,Dorota Sobczyńska,Antonio Stamerra,L. S. Stark,L. O. Takalo,Petar Temnikov,D. Tescaro,Masahiro Teshima,N. Tonello,A. Torres,Diego F. Torres,Nicola Turini,H. Vankov,V. Vitale,Robert Wagner,Tadeusz Wibig,W. Wittek,R. Zanin,J. Zapatero +148 more
TL;DR: The detection of variable gamma-ray emission above 100 gigaelectron volts from the microquasar LS I 61 + 303 is reported, which suggests that the emission is periodic.
Journal ArticleDOI
The cosmic-ray experiment KASCADE
T. Antoni,W. D. Apel,F. Badea,K. Bekk,A. Bercuci,H. Blümer,H. Bozdog,I.M. Brancus,C. Büttner,Ashot Chilingarian,Kai Daumiller,P. Doll,J. Engler,F. Feßler,H.J. Gils,R. Glasstetter,R. Haeusler,Andreas Haungs,Dieter Heck,Jörg R. Hörandel,A. Iwan,Karl-Heinz Kampert,H.O. Klages,Gernot Maier,Hermann-Josef Mathes,H.J. Mayer,J. Milke,Marcio Aparecido Muller,R. Obenland,J. Oehlschläger,S. Ostapchenko,M. Petcu,H. Rebel,M. Risse,Markus Roth,G. Schatz,Harald Schieler,J. Scholz,T. Thouw,H. Ulrich,A. Vardanyan,J.H. Weber,A. Weindl,J. Wentz,J. Wochele,J. Zabierowski,S. Zagromski +46 more
TL;DR: The KASCADE experiment as mentioned in this paper was designed to measure air showers of primary cosmic-ray energies in the PeV region and to investigate the knee phenomenon in the all-particle energy spectrum.