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The photon flux resulting from high-energy electron beam interactions with high field systems, such as in the upcoming FACET-II experiments at SLAC National Accelerator Laboratory, may give deep insight into the electron beam's underlying…

Accelerator Physics · Physics 2023-09-26 M. Yadav , M. Oruganti , S. Zhang , B. Naranjo , G. Andonian , Y. Zhuang , Ö. Apsimon , C. P. Welsch , J. B. Rosenzweig

Motivated by the computational limitations of simulating interactions of particles in highly-granular detectors, there exists a concerted effort to build fast and exact machine-learning-based shower simulators. This work reports progress on…

Local measurements of the Hubble constant ($H_0$) based on Cepheids e Type Ia supernova differ by $\approx 5 \sigma$ from the estimated value of $H_0$ from Planck CMB observations under $\Lambda$CDM assumptions. In order to better…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-07 Carlos Bengaly , Maria Aldinez Dantas , Luciano Casarini , Jailson Alcaniz

Water Cherenkov detectors offer a robust and economical solution for real-time radiation monitoring by detecting Cherenkov light from charged particles moving faster than light in water. This work presents a novel two-stage classification…

Instrumentation and Detectors · Physics 2026-01-27 Alejandro Núñez-Selin , Iván Sidelnik , Christian Sarmiento-Cano , Hernán Asorey , Luis A. Núñez

In this work, we present a new, high performance algorithm for background rejection in imaging atmospheric Cherenkov telescopes. We build on the already popular machine-learning techniques used in gamma-ray astronomy by the application of…

Instrumentation and Methods for Astrophysics · Physics 2020-05-20 R. D. Parsons , S. Ohm

Compact binary systems can provide us with unique information on astrophysical particle acceleration and cosmic ray production. However, only five binary systems have ever been observed in TeV $\gamma$ rays. The High Altitude Water…

High Energy Astrophysical Phenomena · Physics 2017-08-15 Chang Dong Rho

VAMOS was a prototype detector built in 2011 at an altitude of 4100m a.s.l. in the state of Puebla, Mexico. The aim of VAMOS was to finalize the design, construction techniques and data acquisition system of the HAWC observatory. HAWC is an…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 A. U. Abeysekara , R. Alfaro , C. Alvarez , J. D. Álvarez , F. Ángeles , R. Arceo , J. C. Arteaga-Velázquez , A. Avila-Aroche , H. A. Ayala Solares , C. Badillo , A. S. Barber , B. M. Baughman , N. Bautista-Elivar , J. Becerra Gonzalez , E. Belmont , E. Benítez , S. Y. BenZvi , D. Berley , A. Bernal , M. Bonilla Rosales , J. Braun , R. A. Caballero-Lopez , K. S. Caballero-Mora , I. Cabrera , A. Carramiñana , L. Castañeda-Martínez , M. Castillo , U. Cotti , J. Cotzomi , E. de la Fuente , C. De León , T. DeYoung , A. Diaz-Azuara , L. Diaz-Cruz , R. Diaz Hernandez , J. C. Díaz-Vélez , B. L. Dingus , D. Dultzin , M. A. DuVernois , R. W. Ellsworth , A. Fernandez , D. W. Fiorino , N. Fraija , A. Galindo , G. García-Torales , F. Garfias , A. González , L. X. González , M. M. González , J. A. Goodman , V. Grabski , M. Gussert , C. Guzmán-Cerón , Z. Hampel-Arias , J. P. Harding , L. Hernández-Cervantes , C. M. Hui , P. Hüntemeyer , A. Imran , A. Iriarte , P. Karn , D. Kieda , G. J. Kunde , R. Langarica , A. Lara , G. Lara , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , E. C. Linares , J. T. Linnemann , M. Longo , R. Luna-Garcia , A. Marinelli , L. A. Martínez , H. Martínez , O. Martínez , J. Martínez-Castro , M. Martos , J. A. J. Matthews , J. McEnery , E. Mendoza Torres , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , J. Nava , L. Nellen , M. Newbold , R. Noriega-Papaqui , T. Oceguera-Becerra , D. P. Page , B. Patricelli , R. Pelayo , E. G. Pérez-Pérez , J. Pretz , I. Ramírez , A. Renter , C. Rivière , D. Rosa-González , F. Ruiz-Sala , E. L. Ruiz-Velasco , J. Ryan , J. R. Sacahui , H. Salazar , F. Salesa , A. Sandoval , E. Santos , M. Schneider , S. Silich , G. Sinnis , A. J. Smith , K. Sparks Woodle , R. W. Springer , F. Suarez , I. Taboada , A. Tepe , P. A. Toale , K. Tollefson , I. Torres , S. Tinoco , T. N. Ukwatta , J. F. Valdés Galicia , P. Vanegas , A. Vázquez , L. Villaseñor , W. Wall , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , G. B. Yodh , P. W. Younk , D. Zaborov , A. Zepeda , H. Zhou

We present results from daily monitoring of gamma rays in the energy range $\sim0.5$ to $\sim100$ TeV with the first 17 months of data from the High Altitude Water Cherenkov (HAWC) Observatory. Its wide field of view of 2 steradians and…

High Energy Astrophysical Phenomena · Physics 2017-06-14 A. U. Abeysekara , A. Albert , R. Alfaro , C. Alvarez , J. D. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , A. S. Barber , N. Bautista-Elivar , J. Becerra Gonzalez , A. Becerril , E. Belmont-Moreno , S. Y. BenZvi , A. Bernal , J. Braun , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , M. Castillo , U. Cotti , J. Cotzomi , S. Coutiño de León , C. De León , E. De la Fuente , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , R. W. Ellsworth , K. Engel , D. W. Fiorino , N. Fraija , J. A. García-González , F. Garfias , M. Gerhardt , A. González Muñoz , M. M. González , J. A. Goodman , Z. Hampel-Arias , J. P. Harding , S. Hernandez , A. Hernandez-Almada , B. Hona , C. M. Hui , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , D. Kieda , A. Lara , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis Raya , R. Luna-García , R. López-Coto , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , J. A. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , J. Pretz , E. G. Pérez-Pérez , Z. Ren , C. D. Rho , C. Rivière , D. Rosa-González , M. Rosenberg , E. Ruiz-Velasco , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , G. Sinnis , A. J. Smith , R. W. Springer , P. Surajbali , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , T. N. Ukwatta , G. Vianello , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , T. Yapici , P. W. Younk , A. Zepeda , H. Zhou

Very High Energy (VHE) gamma rays and charged cosmic rays (CCRs) provide an observational window into the acceleration mechanisms of extreme astrophysical environments. One of the major challenges at Imaging Air Cherenkov Telescopes (IACTs)…

Instrumentation and Methods for Astrophysics · Physics 2023-05-03 Songshaptak De , Writasree Maitra , Vikram Rentala , Arun M. Thalapillil

A new method of shower-image analysis is presented which appears very powerful as applied to those Cherenkov Imaging Telescopes with very high definition imaging capability. It provides hadron rejection on the basis of a single cut on the…

Machine Learning algorithms have played an important role in hadronic jet classification problems. The large variety of models applied to Large Hadron Collider data has demonstrated that there is still room for improvement. In this context…

The purpose of this paper is to review the most popular deep learning methods used to analyze astroparticle data obtained with Imaging Atmospheric Cherenkov Telescopes and provide references to the original papers.

Instrumentation and Methods for Astrophysics · Physics 2025-03-26 A. P. Kryukov , A. P. Demichev , V. A. Ilyin

Three different analysis techniques for Atmospheric Imaging System are presented. The classical Hillas parameters based technique is shown to be robust and efficient, but more elaborate techniques can improve the sensitivity of the…

Astrophysics · Physics 2007-05-23 Mathieu de Naurois

The era of multimessenger astrophysics has arrived with the simultaneous operation of large cosmic-ray, gamma-ray, neutrino, and gravitational-wave observatories. In just the past two years, an electromagnetic (EM) counterpart was detected…

High Energy Astrophysical Phenomena · Physics 2019-08-19 Hugo Alberto Ayala Solares

The hunt for cosmic TeV particle accelerators is prospering through Imaging Atmospheric Cerenkov Telescopes. We face challenges such as low light levels and MHz trigger rates, and the need to distinguish between particle air showers…

Astrophysics · Physics 2007-05-23 S. M. Bradbury

Imaging Atmospheric Cherenkov Telescopes (IACTs) of gamma ray observatory TAIGA detect the Extesnive Air Showers (EASs) originating from the cosmic or gamma rays interactions with the atmosphere. Thereby, telescopes obtain images of the…

Instrumentation and Methods for Astrophysics · Physics 2024-01-31 E. O. Gres , A. P. Kryukov , A. P. Demichev , J. J. Dubenskaya , S. P. Polyakov , A. A. Vlaskina , D. P. Zhurov

We present a new design for the water Cherenkov detectors that are in use in various cosmic ray observatories. This novel design can provide a significant improvement in the independent measurement of the muonic and electromagnetic…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 Antoine Letessier-Selvon , Pierre Billoir , Miguel Blanco , Ioana C. Maris , Mariangela Settimo

Classification of galactic morphologies is a crucial task in galactic astronomy, and identifying fine structures of galaxies (e.g., spiral arms, bars, and clumps) is an essential ingredient in such a classification task. However, seeing…

Instrumentation and Methods for Astrophysics · Physics 2021-03-30 Fang Kai Gan , Kenji Bekki , Abdolhosein Hashemizadeh

A survey of the inner Galaxy region of Galactic longitude l in [+15, +50] degree and latitude b in [-4,+4] degree is performed using one-third of the High Altitude Water Cherenkov (HAWC) Observatory operated during its construction phase.…

High Energy Astrophysical Phenomena · Physics 2016-01-27 A. U. Abeysekara , R. Alfaro , C. Alvarez , J. D. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , H. A. Ayala Solares , A. S. Barber , B. M. Baughman , N. Bautista-Elivar , A. D. Becerril Reyes , E. Belmont , S. Y. BenZvi , A. Bernal , J. Braun , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , M. Castillo , U. Cotti , J. Cotzomi , S. Coutiño de León , E. de la Fuente , C. De León , T. DeYoung , B. L. Dingus , M. A. DuVernois , R. W. Ellsworth , O. Enriquez-Rivera , D. W. Fiorino , N. Fraija , F. Garfias , M. M. González , J. A. Goodman , M. Gussert , Z. Hampel-Arias , J. P. Harding , S. Hernandez , P. Hüntemeyer , C. M. Hui , A. Imran , A. Iriarte , P. Karn , D. Kieda , A. Lara , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , J. T. Linnemann , M. Longo , G. Luis Raya , K. Malone , A. Marinelli , S. S. Marinelli , H. Martinez , O. Martinez , J. Martínez-Castro , J. A. J. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , R. Noriega-Papaqui , B. Patricelli , R. Pelayo , E. G. Pérez-Pérez , J. Pretz , Z. Ren , C. Rivière , D. Rosa-González , H. Salazar , F. Salesa Greus , A. Sandoval , M. Schneider , G. Sinnis , A. J. Smith , K. Sparks Woodle , R. W. Springer , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , T. N. Ukwatta , L. Villaseñor , K. Vrabel , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , T. Yapici , G. B. Yodh , P. W. Younk , D. Zaborov , A. Zepeda , H. Zhou

We present the first catalog of TeV gamma-ray sources realized with the recently completed High Altitude Water Cherenkov Observatory (HAWC). It is the most sensitive wide field-of-view TeV telescope currently in operation, with a 1-year…

High Energy Astrophysical Phenomena · Physics 2017-07-05 A. U. Abeysekara , A. Albert , R. Alfaro , C. Alvarez , J. D. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , H. A. Ayala Solares , A. S. Barber , N. Bautista-Elivar , J. Becerra Gonzalez , A. Becerril , E. Belmont-Moreno , S. Y. BenZvi , D. Berley , A. Bernal , J. Braun , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , M. Castillo , U. Cotti , J. Cotzomi , S. Coutiño de León , E. de la Fuente , C. De León , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , R. W. Ellsworth , K. Engel , D. W. Fiorino , N. Fraija , J. A. García-González , F. Garfias , M. Gerhardt , A. González Muñoz , M. M. González , J. A. Goodman , Z. Hampel-Arias , J. P. Harding , S. Hernandez , A. Hernandez-Almada , J. Hinton , C. M. Hui , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , D. Kieda , A. Lara , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis Raya , R. Luna-García , R. López-Coto , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , H. Martínez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , R. Pelayo , J. Pretz , E. G. Pérez-Pérez , Z. Ren , C. D. Rho , C. Rivière , D. Rosa-González , M. Rosenberg , E. Ruiz-Velasco , H. Salazar , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , G. Sinnis , A. J. Smith , R. W. Springer , P. Surajbali , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , T. N. Ukwatta , G. Vianello , L. Villaseñor , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , T. Yapici , P. W. Younk , A. Zepeda , H. Zhou