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Rebecca Leane Profile picture
Rebecca Leane
@RKLeane
Theoretical physicist @SLAClab @Stanford. Working on dark matter and astroparticle physics. Aussie living in the US. (she/her)
Jun 26, 2020 • 38 tweets • 7 min read
New paper!

Supernova Muons: New Constraints on Z' Bosons, Axions, and ALPs
arxiv.org/abs/2006.13942

w/ Djuna Croon (@QuantumMessage), @GillyElor + Sam McDermott

We use supernova muons to find some of the strongest existing limits on light new particles coupled to muons! Thread: 1/ Deep in the Large Magellanic Cloud, on the outskirts of the Tarantula Nebula, a blue supergiant named Sanduleak once shone with the brightness of over ten thousand Suns.
Apr 19, 2019 • 32 tweets • 6 min read
New paper out today!

Dark Matter Strikes Back at the Galactic Center
arxiv.org/abs/1904.08430

We show that dark matter annihilation might explain the excess of gamma rays detected at the center of our galaxy, after all.
Mega-thread explaining our results and backstory below! 1/ Back in 2009, Dan Hooper (@DanHooperAstro) and Lisa Goodenough used publicly available data from the Fermi Gamma-Ray Space Telescope (@NASAFermi) to examine gamma rays (very high-energy light) from the center of our Milky Way galaxy.