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Physics Colloquium Series

Date: Thursday, October 17, 2019

Speaker: Andrew MacFadyen, NYU

Title: Gas dynamics and electromagnetic signatures of gravitational wave sources

Abstract:I will present numerical simulations of the gas dynamics and electromagnetic signatures of gravitational wave sources. I will discuss the merging neutron star system GW170817 and present evidence from the afterglow of GRB170817A that a successful highly beamed off-axis relativistic jet was produced. I will then discuss binary black hole accretion and show that binaries embedded in gas should remain electromagnetically active throughout the


Laura Jeanty Recipient of DOE Early Career Award

Laura Jeanty’s search for new particles that may shed light on dark matter and explain why the Higgs Boson has the mass it does has landed the UO physicist five years of financial support from the U.S. Department of Energy’s Early Career Research Program.

Jeanty, an assistant professor of the Oregon Center for High Energy Physics, was one of only 73 U.S. scientists chosen for an early career award.

Jeanty is seeking fundamental particles produced by high-energy proton collisions at CERN. Predicted by a theory called supersymmetry, she said, “these particles could clarify the enigma of


The Gravitational-Wave ‘Revolution’ Is Underway,’ Scientific American, Ben Farr, assistant professor, physics

Cast your mind back four years, and gravitational waves were the talk of the town. On September 14, 2015, the first detection of these ripples in space-time was made by the LIGO-Virgo collaboration, revealed months later to deserved global fanfare. Now with the fourth anniversary of that discovery approaching, the field has matured dramatically with dozens of subsequent detections made—and the prospect of even more thrilling discoveries on the horizon.

“It’s hard to overstate how explosive the growth of gravitational-wave astronomy has been,” says Ben Farr of the University of Oregon.