Related papers: Energy sensitivity of the GRAPES-3 EAS array for p…

Study of Gamma-Ray Bursts of energy E>10 GeV with the ARGO-YBJ detector

The study of high energy gamma-ray bursts can be performed by large area air shower arrays operating at very high mountain altitudes. ARGO-YBJ is a detector optimized to observe small size air showers, to be constructed at the Yangbajing…

Astrophysics · Physics 2012-08-27 YBJ Collaboration , presented by S. Vernetto

Calculations of low-frequency radio emission by cosmic ray-induced particle showers

The radio technique for the detection of high energy cosmic rays consists in measuring the electric field created by the particle showers created inside a medium by the primary cosmic ray. The electric field is then used to infer the…

High Energy Astrophysical Phenomena · Physics 2018-05-23 Daniel García-Fernández , Benoît Revenu , Didier Charrier , Richard Dallier , Antony Escudie , Lilian Martin

Discarded low energy particles in extensive air shower simulations: Effect on the shower Missing and Invisible Energy

The energy carried away by neutral particles in ultra high energy cosmic ray showers can not be detected by fluorescence detectors. This energy is usually referred to as the "invisible energy". Since every shower has a fraction of invisible…

Instrumentation and Methods for Astrophysics · Physics 2009-11-16 M. J. Tueros

Future plan for observation of cosmic gamma rays in the 100 TeV energy region with the Tibet air shower array : physics goal and overview

The Tibet air shower array, which has an effective area of 37,000 square meters and is located at 4300 m in altitude, has been observing air showers induced by cosmic rays with energies above a few TeV. We are planning to add a large muon…

Astrophysics · Physics 2007-10-16 M. Amenomori , X. J. Bi , D. Chen , S. W. Cui , Danzengluobu , L. K. Ding , X. H. Ding , C. Fan , C. F. Feng , Zhaoyang Feng , Z. Y. Feng , X. Y. Gao , Q. X. Geng , H. W. Guo , H. H. He , M. He , K. Hibino , N. Hotta , Haibing Hu , H. B. Hu , J. Huang , Q. Huang , H. Y. Jia , F. Kajino , K. Kasahara , Y. Katayose , C. Kato , K. Kawata , Labaciren , G. M. Le , A. F. Li , J. Y. Li , Y. -Q. Lou , H. Lu , S. L. Lu , X. R. Meng , K. Mizutani , J. Mu , K. Munakata , A. Nagai , H. Nanjo , M. Nishizawa , M. Ohnishi , I. Ohta , H. Onuma , T. Ouchi , S. Ozawa , J. R. Ren , T. Saito , T. Y. Saito , M. Sakata , T. K. Sako , M. Shibata , A. Shiomi , T. Shirai , H. Sugimoto , M. Takita , Y. H. Tan , N. Tateyama , S. Torii , H. Tsuchiya , S. Udo , B. Wang , H. Wang , X. Wang , Y. Wang , Y. G. Wang , H. R. Wu , L. Xue , Y. Yamamoto , C. T. Yan , X. C. Yang , S. Yasue , Z. H. Ye , G. C. Yu , A. F. Yuan , T. Yuda , H. M. Zhang , J. L. Zhang , N. J. Zhang , X. Y. Zhang , Y. Zhang , Yi Zhang , Zhaxisangzhu , X. X. Zhou

Radio detection of Extensive Air Showers (ECRS 2016)

Detection of the mostly geomagnetically generated radio emission of cosmic-ray air showers provides an alternative to air-Cherenkov and air-fluorescence detection, since it is not limited to clear nights. Like these established methods, the…

High Energy Astrophysical Phenomena · Physics 2017-01-20 Frank G. Schröder

Air Fluorescence Relevant for Cosmic-Ray Detection - Summary of the 5th Fluorescence Workshop, El Escorial 2007

High-energy cosmic rays with energies exceeding $10^{17}$ eV are frequently observed by measurements of the fluorescence light induced by air showers. A major contribution to the systematic uncertainties of the absolute energy scale of such…

Astrophysics · Physics 2009-09-29 Fernando Arqueros , Joerg R. Hoerandel , Bianca Keilhauer

Estimation of the number of muons with muon counters

The origin and nature of the cosmic rays is still uncertain. However, a big progress has been achieved in recent years due to the good quality data provided by current and recent cosmic-rays observatories. The cosmic ray flux decreases very…

High Energy Astrophysical Phenomena · Physics 2021-02-09 A. D. Supanitsky

Sensitivity of large air shower experiments for new physics searches

Searches for physics beyond the Standard Model of particle physics are performed at accelerators worldwide. Although having poorer detection capabilities and large beam uncertainties, ultra high energy cosmic ray (UHECR) experiments present…

High Energy Physics - Phenomenology · Physics 2016-09-06 V. Cardoso , M. C. Espirito Santo , A. Onofre , M. Paulos , M. Pimenta , J. C. Romao , B. Tome

Observation of gamma rays up to 320 TeV from the middle-aged TeV pulsar wind nebula HESS J1849$-$000

Gamma rays from HESS J1849$-$000, a middle-aged TeV pulsar wind nebula (PWN), are observed by the Tibet air shower array and the muon detector array. The detection significance of gamma rays reaches $4.0\, \sigma$ and $4.4\, \sigma$ levels…

High Energy Astrophysical Phenomena · Physics 2023-09-29 M. Amenomori , S. Asano , Y. W. Bao , X. J. Bi , D. Chen , T. L. Chen , W. Y. Chen , Xu Chen , Y. Chen , Cirennima , S. W. Cui , Danzengluobu , L. K. Ding , J. H. Fang , K. Fang , C. F. Feng , Zhaoyang Feng , Z. Y. Feng , Qi Gao , A. Gomi , Q. B. Gou , Y. Q. Guo , Y. Y. Guo , Y. Hayashi , H. H. He , Z. T. He , K. Hibino , N. Hotta , Haibing Hu , H. B. Hu , K. Y. Hu , J. Huang , H. Y. Jia , L. Jiang , P. Jiang , H. B. Jin , K. Kasahara , Y. Katayose , C. Kato , S. Kato , I. Kawahara , T. Kawashima , K. Kawata , M. Kozai , D. Kurashige , Labaciren , G. M. Le , A. F. Li , H. J. Li , W. J. Li , Y. Li , Y. H. Lin , B. Liu , C. Liu , J. S. Liu , L. Y. Liu , M. Y. Liu , W. Liu , H. Lu , X. R. Meng , Y. Meng , K. Munakata , K. Nagaya , Y. Nakamura , Y. Nakazawa , H. Nanjo , C. C. Ning , M. Nishizawa , R. Noguchi , M. Ohnishi , S. Okukawa , S. Ozawa , X. Qian , X. L. Qian , X. B. Qu , T. Saito , Y. Sakakibara , M. Sakata , T. Sako , T. K. Sako , T. Sasaki , J. Shao , M. Shibata , A. Shiomi , H. Sugimoto , W. Takano , M. Takita , Y. H. Tan , N. Tateyama , S. Torii , H. Tsuchiya , S. Udo , H. Wang , S. F. Wang , Y. P. Wang , Wangdui , H. R. Wu , Q. Wu , J. L. Xu , L. Xue , Z. Yang , Y. Q. Yao , J. Yin , Y. Yokoe , Y. L. Yu , A. F. Yuan , L. M. Zhai , H. M. Zhang , J. L. Zhang , X. Zhang , X. Y. Zhang , Y. Zhang , Yi Zhang , Ying Zhang , S. P. Zhao , Zhaxisangzhu , X. X. Zhou , Y. H. Zou

The Pierre Auger Observatory: results on the highest energy particles

The Pierre Auger Observatory has been designed to investigate the most energetic particles known, the ultra high energy cosmic rays. The observatory, covering an area of 3000 km^2, combines two different detection techniques to study the…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Ruben Conceição

Lower limits on ultrahigh-energy cosmic ray and jet powers of TeV blazars

Lower limits on the power emitted in ultrahigh-energy cosmic rays (UHECRs), which are assumed to be protons with energy 1e17-1e20 eV, are derived for TeV blazars with the assumption that the observed TeV gamma rays are generated due to…

High Energy Astrophysical Phenomena · Physics 2012-01-24 Soebur Razzaque , Charles D. Dermer , Justin D. Finke

Future plan for observation of cosmic gamma rays in the 100 TeV energy region with the Tibet air shower array : simulation and sensitivity

The Tibet air shower array, which has an effective area of 37,000 square meters and is located at 4300 m in altitude, has been observing air showers induced by cosmic rays with energies above a few TeV. We have a plan to add a large muon…

Astrophysics · Physics 2007-10-16 M. Amenomori , X. J. Bi , D. Chen , S. W. Cui , Danzengluobu , L. K. Ding , X. H. Ding , C. Fan , C. F. Feng , Zhaoyang Feng , Z. Y. Feng , X. Y. Gao , Q. X. Geng , H. W. Guo , H. H. He , M. He , K. Hibino , N. Hotta , Haibing Hu , H. B. Hu , J. Huang , Q. Huang , H. Y. Jia , F. Kajino , K. Kasahara , Y. Katayose , C. Kato , K. Kawata , Labaciren , G. M. Le , A. F. Li , J. Y. Li , Y. -Q. Lou , H. Lu , S. L. Lu , X. R. Meng , K. Mizutani , J. Mu , K. Munakata , A. Nagai , H. Nanjo , M. Nishizawa , M. Ohnishi , I. Ohta , H. Onuma , T. Ouchi , S. Ozawa , J. R. Ren , T. Saito , T. Y. Saito , M. Sakata , T. K. Sako , M. Shibata , A. Shiomi , T. Shirai , H. Sugimoto , M. Takita , Y. H. Tan , N. Tateyama , S. Torii , H. Tsuchiya , S. Udo , B. Wang , H. Wang , X. Wang , Y. Wang , Y. G. Wang , H. R. Wu , L. Xue , Y. Yamamoto , C. T. Yan , X. C. Yang , S. Yasue , Z. H. Ye , G. C. Yu , A. F. Yuan , T. Yuda , H. M. Zhang , J. L. Zhang , N. J. Zhang , X. Y. Zhang , Y. Zhang , Yi Zhang , Zhaxisangzhu , X. X. Zhou

Radio detection of cosmic rays with the Auger Engineering Radio Array

The very low statistics of cosmic rays above the knee region make their study possible only through the detection of the extensive air showers (EAS) produced by their interaction with the constituents of the atmosphere. The Pierre Auger…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Florian Gaté

The Science Case for a Southern Wide Field of View Detector

EAS arrays are survey instruments able to monitor continuously all the overhead sky. Their sensitivity in the sub-TeV/TeV energy domain cannot compete with that of Cherenkov telescopes, but the wide field of view (about 2 sr) is ideal to…

High Energy Astrophysical Phenomena · Physics 2019-04-04 G. Di Sciascio

Monte Carlo simulations of soft proton flares: testing the physics with XMM-Newton

Low energy protons (<100-300 keV) in the Van Allen belt and the outer regions can enter the field of view of X-ray focusing telescopes, interact with the Wolter-I optics, and reach the focal plane. The use of special filters protects the…

Instrumentation and Methods for Astrophysics · Physics 2016-07-20 Valentina Fioretti , Andrea Bulgarelli , Giuseppe Malaguti , Daniele Spiga , Andrea Tiengo

Precise Measurement of the Cosmic Ray Helium Spectrum above 0.1 PeV

We report a measurement of the cosmic ray helium energy spectrum in the energy interval 0.16 -- 13~PeV, derived by subtracting the proton spectrum from the light component~(proton and helium) spectrum obtained with observations made by the…

High Energy Astrophysical Phenomena · Physics 2026-04-02 LHAASO Collaboration , Zhen Cao , F. Aharonian , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , W. Bian , J. Blunier , A. V. Bukevich , C. M. Cai , Y. Y. Cai , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , E. S. Chen , G. H. Chen , H. K. Chen , L. F. Chen , Liang Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. B. Chen , X. J. Chen , X. P. Chen , Y. Chen , N. Cheng , Q. Y. Cheng , Y. D. Cheng , M. Y. Cui , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , Y. X. Diao , A. J. Dong , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , J. H. Fang , K. Fang , C. F. Feng , H. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. Feng , Y. L. Feng , S. Gabici , B. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , T. T. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , J. Guo , K. J. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , R. P. Han , O. A. Hannuksela , M. Hasan , H. H. He , H. N. He , J. Y. He , X. Y. He , Y. He , S. Hernández-Cadena , B. W. Hou , C. Hou , X. Hou , H. B. Hu , S. C. Hu , C. Huang , D. H. Huang , J. J. Huang , X. L. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Y. Y. Huang , A. Inventar , X. L. Ji , H. Y. Jia , K. Jia , H. B. Jiang , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , S. Kaci , M. M. Kang , I. Karpikov , D. Khangulyan , D. Kuleshov , K. Kurinov , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , Jian Li , Jie Li , K. Li , L. Li , R. L. Li , S. D. Li , T. Y. Li , W. L. Li , X. R. Li , Y. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , P. Lipari , B. Liu , C. Liu , D. Liu , D. B. Liu , H. Liu , J. Liu , J. L. Liu , J. R. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , X. Liu , Y. Liu , Y. Liu , Y. N. Liu , Y. Q. Lou , Q. Luo , Y. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , I. O. Maliy , J. R. Mao , Z. Min , W. Mitthumsiri , Y. Mizuno , G. B. Mou , A. Neronov , K. C. Y. Ng , M. Y. Ni , L. Nie , L. J. Ou , Z. W. Ou , P. Pattarakijwanich , Z. Y. Pei , D. Y. Peng , J. C. Qi , M. Y. Qi , J. J. Qin , D. Qu , A. Raza , C. Y. Ren , D. Ruffolo , A. Sáiz , D. Savchenko , D. Semikoz , L. Shao , O. Shchegolev , Y. Z. Shen , X. D. Sheng , Z. D. Shi , F. W. Shu , H. C. Song , Y. Su , D. X. Sun , H. Sun , J. X. Sun , Q. N. Sun , X. N. Sun , Z. B. Sun , N. H. Tabasam , J. Takata , P. H. T. Tam , H. B. Tan , Q. W. Tang , R. Tang , Z. B. Tang , W. W. Tian , C. N. Tong , L. H. Wan , C. Wang , D. H. Wang , G. W. Wang , H. G. Wang , J. C. Wang , K. Wang , Kai Wang , Kai Wang , L. P. Wang , L. Y. Wang , L. Y. Wang , R. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Z. H. Wang , Z. X. Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , S. S. Weng , C. Y. Wu , H. R. Wu , Q. W. Wu , S. Wu , X. F. Wu , Y. S. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , Y. F. Xiao , Y. L. Xin , H. D. Xing , Y. Xing , D. R. Xiong , B. N. Xu , C. Y. Xu , D. L. Xu , R. F. Xu , R. X. Xu , S. S. Xu , W. L. Xu , L. Xue , D. H. Yan , T. Yan , C. W. Yang , C. Y. Yang , F. F. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , W. X. Yang , Z. H. Yang , Z. G. Yao , X. A. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , X. T. Zeng , M. Zha , B. B. Zhang , B. T. Zhang , C. Zhang , H. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. Y. Zhang , Li Zhang , P. F. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , S. Y. Zhang , W. Zhang , W. Y. Zhang , X. Zhang , X. P. Zhang , Yi Zhang , Yong Zhang , Z. P. Zhang , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , X. H. Zhao , Z. H. Zhao , F. Zheng , T. C. Zheng , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , X. X. Zhou , B. Y. Zhu , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , Y. C. Zou , X. Zuo

Advances in reconstructing the cosmic-ray energy spectrum with IceTop

The IceTop array at the surface of the IceCube Neutrino Observatory measures extensive air showers produced by cosmic-ray particles with energies from PeV up to EeV, covering the transition region from galactic to extragalactic sources.…

High Energy Astrophysical Phenomena · Physics 2025-07-14 Lilly Pyras , Larissa Paul , Katherine Rawlins , Ian Reistroffer , Amar Thakuri

Acceptance of fluorescence detectors for photons and its implication in energy spectrum inference at the highest energies

The HiRes and AGASA Collaborations have published contradictory energy spectra for energies above the GZK cut-off. In this article, we investigate the acceptance of fluorescence telescopes to different primary particles at the highest…

Astrophysics · Physics 2007-05-23 Vitor de Souza , Gustavo Medina-Tanco , Jeferson A. Ortiz

Frequency spectra of cosmic ray air shower radio emission measured with LOPES

AIMS: We wish to study the spectral dependence of the radio emission from cosmic-ray air showers around 100 PeV (1017 eV). METHODS: We observe short radio pulses in a broad frequency band with the dipole-interferometer LOPES (LOFAR…

Astrophysics · Physics 2008-09-17 A. Nigl

Multi-Tev Gamma-Ray Observation from the Crab Nebula Using the Tibet-III Air Shower Array Finely Tuned by the Cosmic-Ray Moon's Shadow

The Tibet-III air shower array, consisting of 533 scintillation detectors, has been operating successfully at Yangbajing in Tibet, China since 1999. Using the dataset collected by this array from 1999 November through 2005 November, we…

Astrophysics · Physics 2011-02-11 M. Amenomori