Multiple Galactic Sources with Emission Above 56&nbsp;TeV Detected by HAWC

Abeysekara, A.  U.; Albert, A.; Alfaro, R.; Angeles Camacho, J.  R.; Arteaga-Velázquez, J.  C.; Arunbabu, K.  P.; Avila Rojas, D.; Ayala Solares, H.  A.; Baghmanyan, V.; Belmont-Moreno, E.; BenZvi, S.  Y.; Brisbois, C.; Caballero-Mora, K.  S.; Capistrán, T.; Carramiñana, A.; Casanova, S.; Cotti, U.; Cotzomi, J.; Coutiño de León, S.; De la Fuente, E.; de León, C.; Dichiara, S.; Dingus, B.  L.; DuVernois, M.  A.; Díaz-Vélez, J.  C.; Ellsworth, R.  W.; Engel, K.; Espinoza, C.; Fleischhack, H.; Fraija, N.; Galván-Gámez, A.; Garcia, D.; García-González, J.  A.; Garfias, F.; González, M.  M.; Goodman, J.  A.; Harding, J.  P.; Hernandez, S.; Hinton, J.; Hona, B.; Huang, D.; Hueyotl-Zahuantitla, F.; Hüntemeyer, P.; Iriarte, A.; Jardin-Blicq, A.; Joshi, V.; Kaufmann, S.; Kieda, D.; Lara, A.; Lee, W.  H.; León Vargas, H.; Linnemann, J.  T.; Longinotti, A.  L.; Luis-Raya, G.; Lundeen, J.; López-Coto, R.; Malone, K.; Marinelli, S.  S.; Martinez, O.; Martinez-Castellanos, I.; Martínez-Castro, J.; Martínez-Huerta, H.; Matthews, J.  A.; Miranda-Romagnoli, P.; Morales-Soto, J.  A.; Moreno, E.; Mostafá, M.; Nayerhoda, A.; Nellen, L.; Newbold, M.; Nisa, M.  U.; Noriega-Papaqui, R.; Peisker, A.; Pérez-Pérez, E.  G.; Pretz, J.; Ren, Z.; Rho, C.  D.; Rivière, C.; Rosa-González, D.; Rosenberg, M.; Ruiz-Velasco, E.; Salesa Greus, F.; Sandoval, A.; Schneider, M.; Schoorlemmer, H.; Sinnis, G.; Smith, A.  J.; Springer, R.  W.; Surajbali, P.; Tabachnick, E.; Tanner, M.; Tibolla, O.; Tollefson, K.; Torres, I.; Torres-Escobedo, R.; Villaseñor, L.; Weisgarber, T.; Wood, J.; Yapici, T.; Zhang, H.; Zhou, H.

doi:10.1103/physrevlett.124.021102

Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

Journal Article · Tue Jan 14 23:00:00 EST 2020 · Physical Review Letters

DOI:https://doi.org/10.1103/physrevlett.124.021102· OSTI ID:1659199

Abeysekara, A. U.; Albert, A.; Alfaro, R.; Angeles Camacho, J. R.; Arteaga-Velázquez, J. C.; Arunbabu, K. P.; Avila Rojas, D.; Ayala Solares, H. A.; Baghmanyan, V.; Belmont-Moreno, E.; BenZvi, S. Y.; Brisbois, C.; Caballero-Mora, K. S.; Capistrán, T.; Carramiñana, A.; Casanova, S.; Cotti, U.; Cotzomi, J.; Coutiño de León, S.; De la Fuente, E. more »

We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov (HAWC) Observatory, a wide field-of-view observatory capable of detecting gamma rays up to a few hundred TeV. Nine sources are observed above 56 TeV, all of which are likely Galactic in origin. Three sources continue emitting past 100 TeV, making this the highest-energy gamma-ray source catalog to date. We report the integral flux of each of these objects. We also report spectra for three highest-energy sources and discuss the possibility that they are PeVatrons.

View Accepted Manuscript (DOE)

Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE

Contributing Organization:: HAWC Collaboration

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 1659199

Report Number(s):: LA-UR--19-29232

Journal Information:: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 2 Vol. 124; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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gamma rays

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