PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Gamma-ray Astronomy (GA)
RECENT RESULTS FROM HAWC
 Hawc, A. Albert, R.J. Alfaro, C. Alvarez, A. Andres, J.C. Arteaga Velazquez, D.O. Avila Rojas, H.A. Ayala Solares, R. Babu, E. Belmont-Moreno, T. Capistrán Rojas, S. Yun, A. Carramiñana, F. Carreon-Gonzalez, U. Cotti, J. Cotzomi, S. Coutiño de León, E. de la Fuente, D. Depaoli, C.L. de León, R. Diaz Hernandez, J.C. Díaz Vélez, B. Dingus, M. Durocher, M. DuVernois, K. Engel, M.C. Espinoza Hernández, J. Fan, K. Fang, N.I. Fraija, J.A. Garcia-Gonzalez, F. Garfias, H. Goksu, M.M. González, J.A. Goodman, S.J. Groetsch, J.P. Harding, S. Hernández Cadena, I. Herzog, J. Hinton, B. Hona, D. Huang, F. Hueyotl-Zahuantitla, P. Hüntemeyer, A. Iriarte, V. Joshi, S. Kaufmann, D. Kieda, A. Lara, J. Lee, W.H. Lee, H. Leon Vargas, J. Linnemann, A.L. Longinotti, G. Luis-Raya, K. Malone, J. Martínez-Castro, J. Matthews, P. Miranda-Romagnoli, J.A. Montes, J.A. Morales Soto, M. Mostafa*, L. Nellen, M.U. Nisa, R. Noriega-Papaqui, L. Olivera-Nieto, N. Omodei, Y. Pérez Araujo, E.G. Pérez Pérez, A. Pratts, C.D. Rho, D. Rosa-Gonzalez, E. Ruiz-Velasco, H.I. Salazar, D. Salazar-Gallegos, A. Sandoval, M. Schneider, G. Schwefer, J. Serna-Franco, A.J. Smith, Y. Son, W.R. Springer, O. Tibolla, K. Tollefson, I. Torres, R. Torres Escobedo, R.M. Turner, F. Ureña-Mena, E. Varela, L. Villaseñor, X. Wang, I.J. Watson, F. Werner, K. Whitaker, E.J. Willox, H. Hongyi Wu, H. Zhou and K.S. Caballero Moraet al. (click to show)
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Pre-published on: August 17, 2023
Published on: —
Abstract
High energy gamma-ray observations are an essential probe of cosmic-ray acceleration mechanisms. The detection of the highest energy gamma rays and the shortest timescales of variability are the key to improve our understanding of the acceleration processes and the environment of the cosmic accelerators. The High Altitude Water Cherenkov (HAWC) experiment is a large field-of-view, multi-TeV, gamma-ray observatory continuously operating at 4100 m a.s.l. since March, 2015. The HAWC observatory has an order of magnitude better sensitivity, angular resolution, and background rejection than the previous generation of water-Cherenkov arrays. The improved performance allows us to discover new TeV sources, to detect transient events, to study the Galactic diffuse emission at TeV energies, to measure or constrain the TeV spectra of GeV gamma-ray sources, to search for Galactic Pevatrons, and to improve the upper limits on indirect searches for dark matter and the constrains on Lorentz invariance violation. In this contribution I summarize the most recent results from the HAWC observatory using the latest reconstruction algorithm (Pass 5 production) and I discuss their implications for cosmic-ray acceleration and propagation.
DOI: https://doi.org/10.22323/1.444.0756
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