Extended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth

Article, Preprint English OPEN
Abeysekara, A. U.; Albert, A.; Alfaro, R.; Alvarez, C.; Álvarez, J. D.; Arceo, R.; Arteaga-Velázquez, J. C.; Rojas, D. Avila; Solares, H. A. Ayala; Barber, A. S.; Bautista-Elivar, N.; Becerril, A.; Belmont-Moreno, E.; BenZvi, S. Y.; Berley, D.; Bernal, A.; Braun, J.; Brisbois, C.; Caballero-Mora, K. S.; Capistrán, T.; Carramiñana, A.; Casanova, S.; Castillo, M.; Cotti, U.; Cotzomi, J.; de León, S. Coutiño; De León, C.; De la Fuente, E.; Dingus, B. L.; DuVernois, M. A.; ... view all 116 authors
(2017)
  • Related identifiers: doi: 10.1126/science.aan4880
  • Subject: Astrophysics - High Energy Astrophysical Phenomena | HAWC - Abteilung Hinton
    arxiv: Astrophysics::High Energy Astrophysical Phenomena | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Instrumentation and Methods for Astrophysics

The unexpectedly high flux of cosmic ray positrons detected at Earth may originate from nearby astrophysical sources, dark matter, or unknown processes of cosmic-ray secondary production. We report the detection, using the HighAltitude Water Cherenkov Observatory (HAWC)... View more
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