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Related papers: Gamma/Hadron Separation with the HAWC Observatory

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Background showers triggered by hadrons represent over 99.9% of all particles arriving at ground-based gamma-ray observatories. An important stage in the data analysis of these observatories, therefore, is the removal of hadron-triggered…

High Energy Astrophysical Phenomena · Physics 2022-09-21 T. Capistrán , K. L. Fan , J. T. Linnemann , I. Torres , P. M. Saz Parkinson , P. L. H. Yu

The High-Altitude Water Cherenkov experiment (HAWC) observatory is located 4100 meters above sea level. HAWC is able to detect secondary particles from extensive air showers (EAS) initiated in the interaction of a primary particle (either a…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 E. Bourbeau , T. Capistrán , I. Torres , E. Moreno

The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is located at an altitude of 4100 meters in Sierra Negra, Puebla, Mexico. HAWC is an air shower array of 300 water Cherenkov detectors (WCD's), each with 4 photomultiplier tubes…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 T. Capistrán , I. Torres , L. Altamirano

The High-Altitude Water Cherenkov (HAWC) Observatory records the air showers produced by cosmic rays and gamma rays at a rate of about 20 kHz. While the events observed by HAWC are 99.9% hadronic cosmic rays, this background can be strongly…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Segev BenZvi , Daniel Fiorino , Zigfried Hampel-Arias , Mehr Un Nisa

The HAWC observatory reconstructs atmospheric showers induced by very high-energy primary cosmic- or gamma-rays. Cosmic-rays with hadronic nature are several orders of magnitude more frequent than primary gammas and therefore it is…

Improving gamma-hadron separation is one of the most effective ways to enhance the performance of ground-based gamma-ray observatories. With over a decade of continuous operation, the High-Altitude Water Cherenkov (HAWC) Observatory has…

The High-Altitude Water Cherenkov (HAWC) Observatory is a ground based air-shower array deployed on the slopes of Volcan Sierra Negra in the state of Puebla, Mexico. While HAWC is optimized for the detection of gamma-ray induced…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Zigfried Hampel-Arias , Stefan Westerhoff

The High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory is designed to record air showers produced by cosmic rays and gamma rays between 100 GeV and 100 TeV. Because of its large field of view and high livetime, HAWC is well-suited…

High Energy Astrophysical Phenomena · Physics 2013-10-02 HAWC Collaboration , 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 , E. Belmont , S. Y. BenZvi , D. Berley , M. Bonilla Rosales , J. Braun , R. A. Caballero-Lopez , K. S. Caballero-Mora , A. Carramiñana , M. Castillo , U. Cotti , J. Cotzomi , E. de la Fuente , C. De León , T. DeYoung , R. Diaz Hernandez , J. C. Díaz-Vélez , B. L. Dingus , M. A. DuVernois , R. W. Ellsworth , A. Fernandez , D. W. Fiorino , N. Fraija , A. Galindo , F. Garfias , L. X. González , M. M. González , J. A. Goodman , V. Grabski , M. Gussert , Z. Hampel-Arias , C. M. Hui , P. Hüntemeyer , A. Imran , A. Iriarte , P. Karn , D. Kieda , G. J. Kunde , A. 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 , H. Martinez , O. Martinez , J. Martínez-Castro , J. A. J. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , J. Nava , L. Nellen , M. Newbold , R. Noriega-Papaqui , T. Oceguera-Becerra , B. Patricelli , R. Pelayo , E. G. Pérez-Pérez , J. Pretz , C. Rivière , D. Rosa-González , H. Salazar , F. Salesa , F. E. Sanchez , A. Sandoval , E. Santos , M. Schneider , S. Silich , G. Sinnis , A. J. Smith , K. Sparks , R. W. Springer , I. Taboada , P. A. Toale , K. Tollefson , I. Torres , T. N. Ukwatta , L. Villaseñor , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , G. B. Yodh , P. W. Younk , D. Zaborov , A. Zepeda , H. Zhou

HAWC is a ground-based observatory consisting of 300 water Cherenkov detectors, which observes the extensive air showers induced by cosmic rays from some TeV to a few PeV and, in particular, gamma rays from 300 GeV to more than 100 TeV. One…

High Energy Astrophysical Phenomena · Physics 2023-10-12 A. Alvarado , T. Capistrán , I. Torres , J. R. SacahuÍ , R. Alfaro

The High Altitude Water Cherenkov (HAWC) gamma-ray observatory detects cosmic- and gamma-ray initiated air showers in the TeV energy range using 300 water Cherenkov detectors (WCDs). To improve its sensitivity at the highest energies, HAWC…

Instrumentation and Methods for Astrophysics · Physics 2019-08-20 Vikas Joshi , Harm Schoorlemmer

The High-Altitude Water Cherenkov (HAWC) observatory is a second-generation continuously operated, wide field-of-view, TeV gamma-ray observatory. The HAWC observatory and its analysis techniques build on experience of the Milagro experiment…

High Energy Astrophysical Phenomena · Physics 2023-04-12 A. U. Abeysekara , A. Albert , R. Alfaro , C. Álvarez , J. D. Álvarez , M. Araya , J. C. Arteaga-Velázquez , K. P. Arunbabu , D. Avila Rojas , H. A. Ayala Solares , R. Babu , A. S. Barber , A. Becerril , E. Belmont-Moreno , S. Y. BenZvi , O. Blanco , J. Braun , C. Brisbois , K. S. Caballero-Mora , J. I. Cabrera Martínez , T. Capistrán , A. Carramiñana , S. Casanova , M. Castillo , O. Chaparro-Amaro , U. Cotti , J. Cotzomi , S. Coutiño de León , E. de la Fuente , C. de León , T. De Young , R. Díaz Hernández , B. L. Dingus , M. A. DuVernois , M. Durocher , J. C. Díaz-Vélez , R. W. Ellsworth , K. Engel , C. Espinoza , K. L. Fan , K. Fang , U. B. Fick , H. Fleischhack , J. L. Flores , N. Fraija , J. A. García-González , G. García-Torales , F. Garfias , G. Giacinti , H. Goksu , M. M. González , A. González-Muñoz , J. A. Goodman , J. P. Harding , E. Hernández , S. Hernández , J. Hinton , B. Hona , D. Huang , F. Hueyotl-Zahuantitla , C. M. Hui , T. B. Humensky , P. Hüntemeyer , A. Iriarte , A. Imran , A. Jardin-Blicq , V. Joshi , S. Kaufmann , D. Kieda , G. J. Kunde , A. Lara , R. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , J. Lundeen , K. Malone , V. Marandon , A. Marinelli , O. Martínez , I. Martínez-Castellanos , J. Martínez-Castro , H. Martínez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , T. Montaruli , J. A. Morales-Soto , E. Moreno , M. Mostafá , A. Nayerhoda , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , T. Oceguera-Becerra , L. Olivera-Nieto , N. Omodei , A. Peisker , Y. Pérez Araujo , E. G. Pérez-Pérez , E. Ponce , J. Pretz , C. D. Rho , D. Rosa-González , E. Ruiz-Velasco , H. Salazar , D. Salazar-Gallegos , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , J. Serna-Franco , G. Sinnis , A. J. Smith , Y. Son , K. Sparks Woodle , R. W. Springer , I. Taboada , A. Tepe , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Ureña-Mena , T. N. Ukwatta , E. Varela , M. Vargas-Magaña , L. Villaseñor , X. Wang , I. J. Watson , F. Werner , S. Westerhoff , E. Willox , I. Wisher , J. Wood , G. B. Yodh , D. Zaborov , A. Zepeda , H. Zhou

The Milky Way contains hundreds of binary systems which are known to emit in radio and X-rays, but only a handful of binaries have been observed to produce very high-energy gamma rays. In addition, the emission mechanisms which produce the…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Segev BenZvi

The High Altitude Water Cherenkov Observatory (HAWC) is an air shower array currently under construction in Mexico at an altitude of 4100 m. HAWC will consist of 300 large water tanks covering an area of about 22000 square meters and…

High Energy Astrophysical Phenomena · Physics 2019-08-13 D. Zaborov

We present the sensitivity of HAWC to Gamma Ray Bursts (GRBs). HAWC is a very high-energy gamma-ray observatory currently under construction in Mexico at an altitude of 4100 m. It will observe atmospheric air showers via the water Cherenkov…

High Energy Astrophysical Phenomena · Physics 2012-04-26 HAWC collaboration , A. U. Abeysekara , J. A. Aguilar , S. Aguilar , R. Alfaro , E. Almaraz , C. Álvarez , J. de D. Álvarez-Romero , M. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , C. Badillo , A. Barber , B. M. Baughman , N. Bautista-Elivar , E. Belmont , E. Benítez , S. Y. BenZvi , D. Berley , A. Bernal , E. Bonamente , J. Braun , R. Caballero-Lopez , I. Cabrera , A. Carramiñana , L. Carrasco , M. Castillo , L. Chambers , R. Conde , P. Condreay , U. Cotti , J. Cotzomi , J. C. D'Olivo , E. de la Fuente , C. De León , S. Delay , D. Delepine , T. DeYoung , L. Diaz , L. Diaz-Cruz , B. L. Dingus , M. A. Duvernois , D. Edmunds , R. W. Ellsworth , B. Fick , D. W. Fiorino , A. Flandes , N. I. Fraija , A. Galindo , J. L. García-Luna , G. García-Torales , F. Garfias , L. X. González , M. M. González , J. A. Goodman , V. Grabski , M. Gussert , C. Guzmán-Ceron , Z. Hampel-Arias , T. Harris , E. Hays , L. Hernandez-Cervantes , P. H. Hüntemeyer , A. Imran , A. Iriarte , J. J. Jimenez , P. Karn , N. Kelley-Hoskins , D. Kieda , R. Langarica , A. Lara , R. Lauer , W. H. Lee , E. C. Linares , J. T. Linnemann , M. Longo , R. Luna-García , H. Martínez , J. Martínez , L. A. Martínez , O. Martínez , J. Martínez-Castro , M. Martos , J. Matthews , J. E. McEnery , G. Medina-Tanco , J. E. Mendoza-Torres , P. A. Miranda-Romagnoli , T. Montaruli , E. Moreno , M. Mostafa , M. Napsuciale , J. Nava , L. Nellen , M. Newbold , R. Noriega-Papaqui , T. Oceguera-Becerra , A. Olmos Tapia , V. Orozco , V. Pérez , E. G. Pérez-Pérez , J. S. Perkins , J. Pretz , C. Ramirez , I. Ramírez , D. Rebello , A. Rentería , J. Reyes , D. Rosa-González , A. Rosado , J. M. Ryan , J. R. Sacahui , H. Salazar , F. Salesa , A. Sandoval , E. Santos , M. Schneider , A. Shoup , S. Silich , G. Sinnis , A. J. Smith , K. Sparks , W. Springer , F. Suárez , N. Suarez , I. Taboada , A. F. Tellez , G. Tenorio-Tagle , A. Tepe , P. A. Toale , K. Tollefson , I. Torres , T. N. Ukwatta , J. Valdes-Galicia , P. Vanegas , V. Vasileiou , O. Vázquez , X. Vázquez , L. Villaseñor , W. Wall , J. S. Walters , D. Warner , S. Westerhoff , I. G. Wisher , J. Wood , G. B. Yodh , D. Zaborov , A. Zepeda

HAWC is an air-shower detector designed to study TeV gamma and cosmic rays. The observatory is composed of a $22000 \, m^2$ array of $300$ water Cherenkov tanks ($4.5 \, m$ deep x $7.3 \, m$ diameter) with $4$ photomultipliers (PMT) each.…

The High-Altitude Water Cherenkov (HAWC) Observatory comprises 300 water Cherenkov detectors, each equipped with four photomultipliers, located on the Volc\'{a}n Sierra Negra in Mexico at 4,100 masl. This observatory can detect gamma rays…

High Energy Astrophysical Phenomena · Physics 2025-09-04 J. Jaimes , T. Capistrán , I. Torres

The High Altitude Water Cherenkov (HAWC) observatory is an array of large water Cherenkov detectors sensitive to gamma rays and hadronic cosmic rays in the energy band between 100 GeV and 100 TeV. The observatory will be used to measure…

High Energy Astrophysical Phenomena · Physics 2016-08-11 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 , E. Belmont , S. Y. BenZvi , D. Berley , M. Bonilla Rosales , J. Braun , R. A. Caballero-Lopez , A. Carramiñana , M. Castillo , U. Cotti , J. Cotzomi , E. de la Fuente , C. De León , T. DeYoung , R. Diaz Hernandez , J. C. Diaz-Velez , B. L. Dingus , M. A. DuVernois , R. W. Ellsworth , A. Fernandez , D. W. Fiorino , N. Fraija , A. Galindo , J. L. Garcia-Luna , G. Garcia-Torales , F. Garfias , L. X. González , M. M. González , J. A. Goodman , V. Grabski , M. Gussert , Z. Hampel-Arias , C. M. Hui , P. Hüntemeyer , A. Imran , A. Iriarte , P. Karn , D. Kieda , G. J. Kunde , A. Lara , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , E. C. Linares , J. T. Linnemann , M. Longo , R. Luna-García , A. Marinelli , O. Martinez , J. Martínez-Castro , J. A. J. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , J. Nava , L. Nellen , M. Newbold , R. Noriega-Papaqui , T. Oceguera-Becerra , B. Patricelli , R. Pelayo , E. G. Pérez-Pérez , J. Pretz , C. Rivière , D. Rosa-González , H. Salazar , F. Salesa , A. Sandoval , E. Santos , M. Schneider , S. Silich , G. Sinnis , A. J. Smith , K. Sparks , R. W. Springer , I. Taboada , P. A. Toale , K. Tollefson , I. Torres , T. N. Ukwatta , L. Villaseñor , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , G. B. Yodh , P. W. Younk , D. Zaborov , A. Zepeda , H. Zhou

A new approach to Gamma/Hadron separation algorithms is proposed. The differences between Gamma and Hadron showers are notorious in two main aspects. The first is the wideness of the shower, and the second is the distribution of the angles…

Astrophysics · Physics 2007-07-31 S. Andringa , P. Assis , M. Pimenta , A. Pina , B. Tome

The High Altitude Water Cherenkov (HAWC) observatory monitors the gamma-ray sky at energies between 100 GeV and 100 TeV with a wide field of view of $\sim 2$ steradians. A duty cycle of $\sim 90$% allows HAWC to scan two thirds of the sky…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Robert J. Lauer

The gamma/hadron separation in the imaging air Cherenkov telescope technique is based on differences between images of a hadronic shower and a gamma induced electromagnetic cascade. One may expect for a large telescope that a detection of…

Astrophysics · Physics 2008-11-26 Dorota Sobczynska
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