Speaker
Edward Walsh
Description
Multimessenger observations of white dwarf (WD) mergers may lead to new constraints on the coupling of axion-like particles (ALPs) to photons and electrons. The merger process creates a high energy environment conducive to the production of ALPs while also producing a gravitational wave (GW) signal. After escaping the merger remnant, the ALPs decay into photons, adding to the expected photon signal. In this talk, I will discuss how we calculate the extra photon signal from WD merger simulations and compare to X-ray observations to derive new ALP constraints.
Author
Bhupal Dev
(Washington University in St. Louis)
Co-authors
Edward Walsh
Jean-Francois Fortin
(Laval University)
Kuver Sinha
(University of Oklahoma)
Steven Harris
(Institute for Nuclear Theory, University of Washington, Seattle)
Yongchao Zhang
