no code implementations • 22 Dec 2020 • Raffaele Tito D'Agnolo, Di Liu, Joshua T. Ruderman, Po-Jen Wang
We present kinematically forbidden dark matter annihilations into Standard Model leptons.
High Energy Physics - Phenomenology
2 code implementations • 8 Sep 2020 • Andrea Caputo, Hongwan Liu, Siddharth Mishra-Sharma, Maxim Pospelov, Joshua T. Ruderman, Alfredo Urbano
Within the context of a kinetically mixed dark photon, we demonstrate how resonant dark photon-to-photon conversions can imprint distinctive spectral features in the observed 21-cm brightness temperature, with implications for current, upcoming, and proposed experiments targeting the cosmic dawn and the dark ages.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
2 code implementations • 14 Apr 2020 • Andrea Caputo, Hongwan Liu, Siddharth Mishra-Sharma, Joshua T. Ruderman
A dark photon may kinetically mix with the Standard Model photon, leading to observable cosmological signatures.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
2 code implementations • 12 Feb 2020 • Andrea Caputo, Hongwan Liu, Siddharth Mishra-Sharma, Joshua T. Ruderman
A dark photon may kinetically mix with the ordinary photon, inducing oscillations with observable imprints on cosmology.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
