HET Seminar (August 10 through October 31) Thursday, September 15 1:30 PM Axions in a Dark Sector to Restore Concordance and Other Axion Phenomenology Thursday, September 22 1:30 PM Jupiter missions as probes of dark matter" Thursday, September 29 1:30 PM Introduction to exact WKB analysis and application to particle production in cosmology Thursday, October 13 1:30 PM Systematics of U-Spin Amplitude Sum Rules Thursday, October 27 1:30 PM Exact lattice anomalies and a new path to chiral lattice gauge theories