PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Dark Matter Physics (DM)
ALPs searches with galactic sources using the HAWC Observatory.
 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 15, 2023
Published on: —
Abstract
Axion-like particles could be potential dark matter candidates, whose conversion from gamma rays could have an impact on the spectra of extremely powerful astronomical gamma-ray sources. For galactic sources, the overall result of this coupling may be reflected as an attenuation of the gamma-ray spectrum at energies above several tens of TeV. Therefore, multi-TeV observatories like the High Altitude Water Cherenkov (HAWC) Observatory would have a unique opportunity to investigate the parameters of ALPs candidates in the mass range from fractions of a neV up to tens of $\mu$eV. In this study, we present a preliminary study of the spectrum observed of the TeV gamma-ray source eHWC J1908+63, constraining the ALP coupling to better than $10^{-12}$ GeV$^{-1}$
DOI: https://doi.org/10.22323/1.444.1422
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