TY - JOUR
T1 - TeV Halo Study of Geminga and Monogem with HAWC
AU - HAWC Collaboration
AU - Torres-Escobedo, Ramiro
AU - Zhou, Hao
AU - de la Fuente, Eduardo
AU - di Mauro, Mattia
AU - Albert, A.
AU - Alfaro, R.
AU - Alvarez, C.
AU - Andrés, A.
AU - Arteaga-Velázquez, J. C.
AU - Avila Rojas, D.
AU - Ayala Solares, H. A.
AU - Babu, R.
AU - Belmont-Moreno, E.
AU - Caballero-Mora, K. S.
AU - Capistrán, T.
AU - Yun-Cárcamo, S.
AU - Carramiñana, A.
AU - Carreón, F.
AU - Cotti, U.
AU - Cotzomi, J.
AU - Coutiño de León, S.
AU - De la Fuente, E.
AU - Depaoli, D.
AU - de León, C.
AU - Diaz Hernandez, R.
AU - Díaz-Vélez, J. C.
AU - Dingus, B. L.
AU - Durocher, M.
AU - DuVernois, M. A.
AU - Engel, K.
AU - Espinoza, C.
AU - Fan, K. L.
AU - Fang, K.
AU - Fraija, N. I.
AU - García-González, J. A.
AU - Garfias, F.
AU - Goksu, H.
AU - González, M. M.
AU - Goodman, J. A.
AU - Groetsch, S.
AU - Harding, J. P.
AU - Hernandez, S.
AU - Herzog, I.
AU - Hinton, J.
AU - Huang, D.
AU - Hueyotl-Zahuantitla, F.
AU - Hüntemeyer, P.
AU - Iriarte, A.
AU - Joshi, V.
AU - Rho, C. D.
N1 - Publisher Copyright:
© Copyright owned by the author(s) under the terms of the Creative Commons.
PY - 2024/9/27
Y1 - 2024/9/27
N2 - Pulsar Inverse Compton halos (TeV halos) are a new subclass of gamma-ray sources. HAWC detected the first two candidates, Geminga and Monogem. These two candidates are of great interest to the anomalous positron excess observed by PAMELA, Fermi-LAT, and AMS-02. This positron excess has been considered to originate from dark matter annihilation, but pulsars can also explain this excess. The HAWC collaboration presented their analysis of the morphology of these pulsars and derived high electron/positron emission efficiency but a diffusion coefficient lower than the average value by a factor of 2 orders of magnitude. Here we present a more in-depth study of Geminga and Monogem with 2139 days of observations from the HAWC observatory. We apply a 3D template model from diffuse-gamma ray electrons/positron emission inverse Compton interactions as they escape the pulsar.
AB - Pulsar Inverse Compton halos (TeV halos) are a new subclass of gamma-ray sources. HAWC detected the first two candidates, Geminga and Monogem. These two candidates are of great interest to the anomalous positron excess observed by PAMELA, Fermi-LAT, and AMS-02. This positron excess has been considered to originate from dark matter annihilation, but pulsars can also explain this excess. The HAWC collaboration presented their analysis of the morphology of these pulsars and derived high electron/positron emission efficiency but a diffusion coefficient lower than the average value by a factor of 2 orders of magnitude. Here we present a more in-depth study of Geminga and Monogem with 2139 days of observations from the HAWC observatory. We apply a 3D template model from diffuse-gamma ray electrons/positron emission inverse Compton interactions as they escape the pulsar.
UR - https://www.scopus.com/pages/publications/85212270538
M3 - Conference article
AN - SCOPUS:85212270538
SN - 1824-8039
VL - 444
JO - Proceedings of Science
JF - Proceedings of Science
M1 - 710
T2 - 38th International Cosmic Ray Conference, ICRC 2023
Y2 - 26 July 2023 through 3 August 2023
ER -