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The NANOGrav 15-year Data Set: Search for Signals from New Physics
Adeela Afzal, Gabriella Agazie, Akash Anumarlapudi +120
The 15-year pulsar timing data set collected by the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) shows positive evidence for the presence of a low-freque…
Astrophysical Observations of a Dark Matter-Baryon Fifth Force
Moira I. Gresham, Vincent S. H. Lee, Kathryn M. Zurek
We consider the effects of an attractive, long-range Yukawa interaction between baryons and dark matter (DM), focusing in particular on temperature and pulsar timing observations o…
Pulsars as the Source of the WMAP Haze
Manoj Kaplinghat, Daniel J. Phalen, Kathryn M. Zurek
The WMAP haze is an excess in the 22 to 93 GHz frequency bands of WMAP extending about 10 degrees from the galactic center. We show that synchrotron emission from electron-positron…