Related papers: Event-by-event study of CR composition with the SP…

Software Suite for Modeling Cherenkov Images of Extensive Air Showers in the SPHERE-3 Detector

The study of cosmic rays in the energy range from 1 to 1000 PeV is crucial for understanding their origins and propagation paths. As part of this research, a new SPHERE-3 installation is being developed, featuring enhanced light sensitivity…

Instrumentation and Methods for Astrophysics · Physics 2024-10-22 V. A. Ivanov , V. I. Galkin , E. A. Bonvech , T. M. Roganova , D. V. Chernov , D. A. Podgrudkov , M. D. Ziva , V. S. Latypova , C. G. Azra , E. L. Entina

Enhancement of the Yakutsk array by atmospheric Cherenkov telescopes to study cosmic rays above $10^{15}$ eV

The aim of the Yakutsk array enhancement project is to create an instrument to study the highest-energy galactic cosmic rays (CRs) -- their sources, energy spectrum, and mass composition. Additionally, there will be unique capabilities for…

Instrumentation and Methods for Astrophysics · Physics 2010-12-24 A. A. Ivanov , S. P. Knurenko , Z. E. Petrov , M. I. Pravdin , I. Ye. Sleptsov

Mass composition of cosmic rays above 0.1 EeV by the Yakutsk array data

The paper presents the results of the longitudinal development of extensive air showers (X$_{max}$) of ultra-high energies and mass composition of cosmic rays. The measurements of X$_{max}$ are based on data from observations of the…

High Energy Astrophysical Phenomena · Physics 2019-12-10 Stanislav Knurenko , Igor Petrov

The energy spectrum of cosmic rays above 10^15 eV as derived from air Cherenkov light measurements in Yakutsk

The Yakutsk array observes the Cherenkov light emitted by UHECR in atmosphere. Recently, an autonomous subarray is added consisting of photomultipliers to measure the showers in the knee region. Our aim is to analyze the combined data set…

Astrophysics · Physics 2009-11-07 A. A. Ivanov , S. P. Knurenko , I. Ye. Sleptsov

Cosmic Ray Spectrum and Composition from PeV to EeV Using 3 Years of Data From IceTop and IceCube

We report on measurements of the all-particle cosmic ray energy spectrum and composition in the PeV to EeV energy range using three years of data from the IceCube Neutrino Observatory. The IceTop detector measures cosmic ray induced air…

High Energy Astrophysical Phenomena · Physics 2019-11-14 IceCube Collaboration

The Track Imaging Cerenkov Experiment

We describe a dedicated cosmic-ray telescope that explores a new method for detecting Cerenkov radiation from high-energy primary cosmic rays and the large particle air shower they induce upon entering the atmosphere. Using a camera…

Instrumentation and Methods for Astrophysics · Physics 2011-07-19 S. A. Wissel , K. Byrum , J. D. Cunningham , G. Drake , E. Hays , D. Horan , D. Kieda , E. Kovacs , S. Magill , L. Nodulman , S. P. Swordy , R. Wagner , S. P. Wakely

Design and construction of a Cherenkov imager for charge measurement of nuclear cosmic rays

A proximity focusing Cherenkov imager called CHERCAM, has been built for the charge measurement of nuclear cosmic rays with the CREAM instrument. It consists of a silica aerogel radiator plane across from a detector plane equipped with…

Instrumentation and Methods for Astrophysics · Physics 2011-06-10 O. Bourrion , Ch. Bernard , D. Bondoux , J. L. Bouly , J. Bouvier , B. Boyer , M. Brinet , M. Buenerd , G. Damieux , L. Derome , L. Eraud , R. Foglio , D. Fombaron , D. Grondin , M. H. Lee , L. Lutz , M. Marton , A. Menchaca-Rocha , A. Pelissier , J. N. Périé , A. Putze , S. Roudier , Y. Sallaz-Damaz , E. S. Seo , J. P. Scordilis , Y. S. Yoon

The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode

We report on a measurement of the cosmic ray composition by the Telescope Array Low-Energy Extension (TALE) air fluorescence detector (FD). By making use of the Cherenkov light signal in addition to air fluorescence light from cosmic ray…

High Energy Astrophysical Phenomena · Physics 2021-03-22 Telescope Array Collaboration

Cosmic Ray Energy Measurement with EAS Cherenkov Light: Experiment QUEST and CORSIKA Simulation

A new method of a primary cosmic particle energy measurement with the extensive air shower (EAS) technique has been developed by exploiting: a) the joint analysis of the shower size, obtained by the EAS-TOP array, and of the EAS Cherenkov…

Astrophysics · Physics 2007-05-23 E. E. Korosteleva , L. A. Kuzmichev , V. V. Prosin , EAS-TOP COLLABORATION

Reconstruction of Cherenkov radiation signals from extensive air showers of cosmic rays using data of a wide field-of-view telescope

The operation of a wide field-of-view (WFOV) Cherenkov telescope is described. The detection of extensive air showers (EAS) of cosmic rays (CR) is based upon the coincidence with signals from the Yakutsk array. The data acquisition system…

Instrumentation and Methods for Astrophysics · Physics 2020-05-08 A. A. Ivanov , S. V. Matarkin , L. V. Timofeev

Cosmic Ray Composition and Energy Spectrum from 1-30 PeV Using the 40-String Configuration of IceTop and IceCube

The mass composition of high energy cosmic rays depends on their production, acceleration, and propagation. The study of cosmic ray composition can therefore reveal hints of the origin of these particles. At the South Pole, the IceCube…

High Energy Astrophysical Phenomena · Physics 2016-02-23 IceCube Collaboration , R. Abbasi , Y. Abdou , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , D. Altmann , K. Andeen , J. Auffenberg , X. Bai , M. Baker , S. W. Barwick , V. Baum , R. Bay , K. Beattie , J. J. Beatty , S. Bechet , J. Becker Tjus , K. -H. Becker , M. Bell , M. L. Benabderrahmane , S. BenZvi , J. Berdermann , P. Berghaus , D. Berley , E. Bernardini , D. Bertrand , D. Z. Besson , D. Bindig , M. Bissok , E. Blaufuss , J. Blumenthal , D. J. Boersma , C. Bohm , D. Bose , S. Böser , O. Botner , L. Brayeur , A. M. Brown , R. Bruijn , J. Brunner , S. Buitink , K. S. Caballero-Mora , M. Carson , J. Casey , M. Casier , D. Chirkin , B. Christy , F. Clevermann , S. Cohen , D. F. Cowen , A. H. Cruz Silva , M. Danninger , J. Daughhetee , J. C. Davis , C. De Clercq , F. Descamps , P. Desiati , G. de Vries-Uiterweerd , T. DeYoung , J. C. Díaz-Vélez , J. Dreyer , J. P. Dumm , M. Dunkman , R. Eagan , J. Eisch , R. W. Ellsworth , O. Engdegård , S. Euler , P. A. Evenson , O. Fadiran , A. R. Fazely , A. Fedynitch , J. Feintzeig , T. Feusels , K. Filimonov , C. Finley , T. Fischer-Wasels , S. Flis , A. Franckowiak , R. Franke , K. Frantzen , T. Fuchs , T. K. Gaisser , J. Gallagher , L. Gerhardt , L. Gladstone , T. Glüsenkamp , A. Goldschmidt , J. A. Goodman , D. Góra , D. Grant , A. Groß , S. Grullon , M. Gurtner , C. Ha , A. Haj Ismail , A. Hallgren , F. Halzen , K. Hanson , D. Heereman , P. Heimann , D. Heinen , K. Helbing , R. Hellauer , S. Hickford , G. C. Hill , K. D. Hoffman , R. Hoffmann , A. Homeier , K. Hoshina , W. Huelsnitz , P. O. Hulth , K. Hultqvist , S. Hussain , A. Ishihara , E. Jacobi , J. Jacobsen , G. S. Japaridze , O. Jlelati , H. Johansson , A. Kappes , T. Karg , A. Karle , J. Kiryluk , F. Kislat , J. Kläs , S. R. Klein , J. -H. Köhne , G. Kohnen , H. Kolanoski , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , M. Kowalski , M. Krasberg , G. Kroll , J. Kunnen , N. Kurahashi , T. Kuwabara , M. Labare , K. Laihem , H. Landsman , M. J. Larson , R. Lauer , M. Lesiak-Bzdak , J. Lünemann , J. Madsen , R. Maruyama , K. Mase , H. S. Matis , F. McNally , K. Meagher , M. Merck , P. Mészáros , T. Meures , S. Miarecki , E. Middell , N. Milke , J. Miller , L. Mohrmann , T. Montaruli , R. Morse , S. M. Movit , R. Nahnhauer , U. Naumann , S. C. Nowicki , D. R. Nygren , A. Obertacke , S. Odrowski , A. Olivas , M. Olivo , A. O'Murchadha , S. Panknin , L. Paul , J. A. Pepper , C. Pérez de los Heros , D. Pieloth , N. Pirk , J. Posselt , P. B. Price , G. T. Przybylski , L. Rädel , K. Rawlins , P. Redl , E. Resconi , W. Rhode , M. Ribordy , M. Richman , B. Riedel , J. P. Rodrigues , F. Rothmaier , C. Rott , T. Ruhe , D. Rutledge , B. Ruzybayev , D. Ryckbosch , S. M. Saba , T. Salameh , H. -G. Sander , M. Santander , S. Sarkar , K. Schatto , M. Scheel , F. Scheriau , T. Schmidt , M. Schmitz , S. Schoenen , S. Schöneberg , L. Schönherr , A. Schönwald , A. Schukraft , L. Schulte , O. Schulz , D. Seckel , S. H. Seo , Y. Sestayo , S. Seunarine , M. W. E. Smith , M. Soiron , D. Soldin , G. M. Spiczak , C. Spiering , M. Stamatikos , T. Stanev , A. Stasik , T. Stezelberger , R. G. Stokstad , A. Stößl , E. A. Strahler , R. Ström , G. W. Sullivan , H. Taavola , I. Taboada , A. Tamburro , S. Ter-Antonyan , S. Tilav , P. A. Toale , S. Toscano , M. Usner , N. van Eijndhoven , D. van der Drift , A. Van Overloop , J. van Santen , M. Vehring , M. Voge , C. Walck , T. Waldenmaier , M. Wallraff , M. Walter , R. Wasserman , Ch. Weaver , C. Wendt , S. Westerhoff , N. Whitehorn , K. Wiebe , C. H. Wiebusch , D. R. Williams , H. Wissing , M. Wolf , T. R. Wood , K. Woschnagg , C. Xu , D. L. Xu , X. W. Xu , J. P. Yanez , G. Yodh , S. Yoshida , P. Zarzhitsky , J. Ziemann , A. Zilles , M. Zoll

The project of a ground-based wide-angle EAS Cherenkov light imaging detector for PCR mass composition study in the 1-1000 PeV energy range

This report presents a draft of a new detector designed to determine the chemical composition of primary cosmic rays based on the characteristics of the angular distribution of Cherenkov light from EAS. The installation, consisting of…

Instrumentation and Methods for Astrophysics · Physics 2025-07-23 D. V. Chernov , E. A. Bonvech , O. V. Cherkesova , E. L. Entina , V. I. Galkin , V. A. Ivanov , T. A. Kolodkin , V. I. Osedlo , N. O. Ovcharenko , D. A. Podgrudkov , T. M. Roganova , M. D. Ziva

Status of the SPHERE experiment

Here is presented the current state of the SPHERE-2 balloon-borne experiment. The detector is elevated up to 1 km above the snow surface and registers the reflected Vavilov-Cherenkov radiation from extensive air showers. This method has…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 R. A. Antonov , S. P. Beschapov , E. A. Bonvech , D. V. Chernov , T. A. Dzhatdoev , Mir. Finger , M. Finger , V. I. Galkin , N. N. Kabanova , A. S. Petkun , D. A. Podgrudkov , T. M. Roganova , S. B. Shaulov , T. I. Sysoeva

Cosmic-ray measurements with an array of Cherenkov telescopes using reconstruction of longitudinal profiles of air showers

We present a method to reconstruct the longitudinal profile of electrons in showers using Cherenkov telescopes. We show how the Cherenkov light collected by an array of telescopes can be transformed into the number of electrons as a…

High Energy Astrophysical Phenomena · Physics 2022-09-12 Andrés G. Delgado Giler , Vitor de Souza

The Cosmic-Ray Energy Spectrum between 2 PeV and 2 EeV Observed with the TALE detector in monocular mode

We report on a measurement of the cosmic ray energy spectrum by the Telescope Array Low-Energy Extension (TALE) air fluorescence detector. The TALE air fluorescence detector is also sensitive to the Cherenkov light produced by shower…

High Energy Astrophysical Phenomena · Physics 2020-12-22 R. U. Abbasi , M. Abe , T. Abu-Zayyad , M. Allen , R. Azuma , E. Barcikowski , J. W. Belz , D. R. Bergman , S. A. Blake , R. Cady , B. G. Cheon , J. Chiba , M. Chikawa , A. Di Matteo , T. Fujii , K. Fujita , M. Fukushima , G. Furlich , T. Goto , W. Hanlon , M. Hayashi , Y. Hayashi , N. Hayashida , K. Hibino , K. Honda , D. Ikeda , N. Inoue , T. Ishii , R. Ishimori , H. Ito , D. Ivanov , H. M. Jeong , S. M. Jeong , C. C. H. Jui , K. Kadota , F. Kakimoto , O. Kalashev , K. Kasahara , H. Kawai , S. Kawakami , S. Kawana , K. Kawata , E. Kido , H. B. Kim , J. H. Kim , J. H. Kim , S. Kishigami , S. Kitamura , Y. Kitamura , V. Kuzmin , M. Kuznetsov , Y. J. Kwon , K. H. Lee , B. Lubsandorzhiev , J. P. Lundquist , K. Machida , K. Martens , T. Matsuyama , J. N. Matthews , R. Mayta , M. Minamino , K. Mukai , I. Myers , K. Nagasawa , S. Nagataki , R. Nakamura , T. Nakamura , T. Nonaka , A. Nozato , H. Oda , S. Ogio , J. Ogura , M. Ohnishi , H. Ohoka , T. Okuda , Y. Omura , M. Ono , R. Onogi , A. Oshima , S. Ozawa , I. H. Park , M. S. Pshirkov , D. C. Rodriguez , G. Rubtsov , D. Ryu , H. Sagawa , R. Sahara , K. Saito , Y. Saito , N. Sakaki , N. Sakurai , L. M. Scott , T. Seki , K. Sekino , P. D. Shah , F. Shibata , T. Shibata , H. Shimodaira , B. K. Shin , H. S. Shin , J. D. Smith , P. Sokolsky , B. T. Stokes , S. R. Stratton , T. A. Stroman , T. Suzawa , Y. Takagi , Y. Takahashi , M. Takamura , M. Takeda , R. Takeishi , A. Taketa , M. Takita , Y. Tameda , H. Tanaka , K. Tanaka , M. Tanaka , S. B. Thomas , G. B. Thomson , P. Tinyakov , I. Tkachev , H. Tokuno , T. Tomida , S. Troitsky , Y. Tsunesada , K. Tsutsumi , Y. Uchihori , S. Udo , F. Urban , T. Wong , M. Yamamoto , R. Yamane , H. Yamaoka , K. Yamazaki , J. Yang , K. Yashiro , Y. Yoneda , S. Yoshida , H. Yoshii , Y. Zhezher , Z. Zundel

Measuring extensive air showers with Cherenkov light detectors of the Yakutsk array: The energy spectrum of cosmic rays

The energy spectrum of cosmic rays in the range 10^15 eV to 6*10^19 eV has been studied using the air Cherenkov light detectors of the Yakutsk array. The total flux of photons produced by relativistic electrons (including positrons as well,…

High Energy Astrophysical Phenomena · Physics 2009-08-05 A. A. Ivanov , S. P. Knurenko , I. Ye. Sleptsov

First Event-by-Event Identification of Cherenkov Radiation from Sub-MeV Particles in Liquid Argon

This Letter reports the event-by-event observation of Cherenkov light from sub-MeV electrons in a high scintillation light-yield liquid argon (LAr) detector by the Coherent CAPTAIN-Mills (CCM) experiment. The CCM200 detector, located at Los…

Instrumentation and Detectors · Physics 2025-09-30 A. A. Aguilar-Arevalo , S. Biedron , J. Boissevain , M. Borrego , L. Bugel , M. Chavez-Estrada , J. M. Conrad , R. L. Cooper , J. R. Distel , J. C. D'Olivo , E. Dunton , B. Dutta , D. E. Fields , M. Gold , E. Guardincerri , E. C. Huang , N. Kamp , D. Kim , K. Knickerbocker , W. C. Louis , C. F. Macias-Acevedo , R. Mahapatra , J. Mezzetti , J. Mirabal , M. J. Mocko , D. A. Newmark , P. deNiverville , C. O'Connor , V. Pandey , D. Poulson , H. Ray , E. Renner , T. J. Schaub , A. Schneider , M. H. Shaevitz , D. Smith , W. Sondheim , A. M. Szelc , C. Taylor , A. Thompson , W. H. Thompson , M. Tripathi , R. T. Thornton , R. Van Berg , R. G. Van de Water

The modeling of the nuclear composition measurement performance of the Non-Imaging CHErenkov Array (NICHE)

In its initial deployment, the Non-Imaging CHErenkov Array (NICHE)will measure the flux and nuclear composition of cosmic rays from below 10^16 eV to 10^18 eV by using measurements of the amplitude and time-spread of the air-shower…

Instrumentation and Methods for Astrophysics · Physics 2013-07-16 John Krizmanic , Douglas Bergman , Pierre Sokolsky

Cosmic Ray Spectrum and Composition from PeV to EeV from the IceCube Neutrino Observatory

The IceCube Neutrino Observatory at the South Pole is a multi-component detector capable of measuring the cosmic ray energy spectrum and composition from PeV to EeV, the energy region typically thought to cover the transition from galactic…

High Energy Astrophysical Phenomena · Physics 2019-08-23 Karen Andeen , Matthias Plum

Discrepant hardening observed in cosmic-ray elemental spectra

The balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment launched five times from Antarctica has achieved a cumulative flight duration of about 156 days above 99.5% of the atmosphere. The instrument is configured with…

High Energy Astrophysical Phenomena · Physics 2010-04-08 H. S. Ahn , P. Allison , M. G. Bagliesi , J. J. Beatty , G. Bigongiari , J. T. Childers , N. B. Conklin , S. Coutu , M. A. DuVernois , O. Ganel , J. H. Han , J. A. Jeon , K. C. Kim , M. H. Lee , L. Lutz , P. Maestro , A. Malinin , P. S. Marrocchesi , S. Minnick , S. I. Mognet , J. Nam , S. Nam , S. L. Nutter , I. H. Park , N. H. Park , E. S. Seo , R. Sina , J. Wu , J. Yang , Y. S. Yoon , R. Zei , S. Y. Zinn