The SPHERE-2 detector for observation of extensive air showers in 1 PeV – 1 EeV energy range

Antonov, R. A.; Bonvech, E. A.; Чернов, Д. В.; Dzhatdoev, T.; Finger, M.; Подгрудков, Д.; Роганова, Т. М.; Shirokov, A. V.; Vaiman, I. A.

doi:10.1016/j.astropartphys.2020.102460

Cited by 10 publications

(13 citation statements)

References 10 publications

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“…The proposed SPHERE-3 detector is a logical development of previous SPHERE project implementations. A detailed technical description of the most recent of them, SPHERE-2, can be found in [6].…”

Section: The Sphere-3 Detectormentioning

confidence: 99%

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A drone-borne installation for studying the composition of cosmic rays in the range of 1-1000 PeV by registering the reflected Cherenkov light of EAS

Vaiman¹,

Чернов²,

Подгрудков³

et al. 2021

Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021)

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Current technical design of the SPHERE project's new detector is presented. The SPHERE project is aimed at primary cosmic ray studies in the 1-1000 PeV energy range using reflected Cherenkov light. The concept of a drone-mounted detector with a photosensitive camera based on silicon photomultipliers is discussed. The combination of the reflected CL registration method with specific data analysis approaches is a unique feature of this project. The developed earlier event-by-event data analysis approach allows to carry out primary particle mass reconstruction and primary cosmic ray mass composition studies with high accuracy. This is achieved through careful analysis of each EAS Cherenkov light lateral distribution function without building any kind of intermediate distributions of any 'typical' characteristics.

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Section: The Sphere-3 Detectormentioning

confidence: 99%

“…Another possibility, unique for the SPHERE detector, is that the temporal signal structure in a given sensitive element depends on its orientation relative to the shower arrival direction. Thus, it carries additional information about the shower's arrival direction and can be used to improve the accuracy of the procedure [6].…”

Section: A Vaimanmentioning

confidence: 99%

A drone-borne installation for studying the composition of cosmic rays in the range of 1-1000 PeV by registering the reflected Cherenkov light of EAS

Vaiman¹,

Чернов²,

Подгрудков³

et al. 2021

Proceedings of 37th International Cosmic Ray Conference — PoS(ICRC2021)

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“…The scheme of the optical part of the detector is shown on the left in figure 1. The full description of the SPHERE-2 detector can be found in [1,10].…”

Section: Sphere-2 Previous Detector Versionmentioning

confidence: 99%

Investigation of the energy spectrum and chemical composition of primary cosmic rays in 1–100 PeV energy range with a UAV-borne detector

Чернов¹,

Bonvech²,

Finger³

et al. 2020

J. Inst.

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A new project is developed with the implementation of a relatively new method of studying primary cosmic rays—the detection of reflected from the snow surface optical Vavilov-Cherenkov radiation from extensive air showers. The aim of the new project is to study the cosmic ray mass composition in the energy range of 1–100 PeV. Silicon photomultipliers are planned to be used as the main photosensitive element of the detector and an unmanned aerial vehicle is going to be used to lift the measuring equipment over the snow surface.

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“…The general overview of the SPHERE-2 experiment can be found in [5], and the detailed description of the detector electronics is given in [6]. The SPHERE-2 balloon detector optics comprised a 1.5 m diameter spherical mirror with a 109 photomultiplier tube (PMT) mosaic near mirror's focus.…”

Section: Introductionmentioning

confidence: 99%

EAS observation conditions monitoring in the SPHERE-2 balloon experiment

Bonvech¹,

Чернов²,

Finger³

et al. 2023

Proceedings of 27th European Cosmic Ray Symposium — PoS(ECRS)

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The SPHERE project studies primary cosmic rays by registration of the extensive air showers (EAS) Cherenkov light reflected from the snow covered ground. The SPHERE project is the first successful implementation of this new EAS detection method, first proposed by Alexander Chudakov and first implemented by Rem Antonov. The SPHERE-2 experiment was designed for studies in the 10-1000 PeV energy range. The detector was lifted by a balloon to altitudes of up to 900 m above the snow covered surface of Lake Baikal. Measurements were performed in 2011-2013. Here we present an overview of the SPHERE-2 detector telemetry monitoring systems along with the analysis of the measurements conditions including atmosphere profile. The analysis of the detector state and environment atmosphere conditions monitoring provided various cross-checks of the detector calibration, positioning, and performance. *** 27th European Cosmic Ray Symposium -ECRS *** *** 25-29 July 2022 *** *** Nĳmegen, the Netherlands *** * Speaker

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The SPHERE-2 detector for observation of extensive air showers in 1 PeV – 1 EeV energy range

Cited by 10 publications

References 10 publications

A drone-borne installation for studying the composition of cosmic rays in the range of 1-1000 PeV by registering the reflected Cherenkov light of EAS

A drone-borne installation for studying the composition of cosmic rays in the range of 1-1000 PeV by registering the reflected Cherenkov light of EAS

Investigation of the energy spectrum and chemical composition of primary cosmic rays in 1–100 PeV energy range with a UAV-borne detector

EAS observation conditions monitoring in the SPHERE-2 balloon experiment

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