Long-lived inverse chirp signals from core collapse in massive scalar-tensor gravity

Abstract

This letter considers stellar core collapse in massive scalar--tensor theories of gravity. The presence of a mass term for the scalar field allows for dramatic increases in the radiated gravitational wave signal. There are several potential smoking gun signatures of a departure from general relativity associated with this process. These signatures could show up within existing LIGO--Virgo searches.

6 pages, 3 figures; to match version published in Phys.Rev.Lett