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High-dimensional inference for the -ray sky with differentiable programming
Siddharth Mishra-Sharma, Tracy R. Slatyer, Yitian Sun +1
We motivate the use of differentiable probabilistic programming techniques in order to account for the large model-space inherent to astrophysical -ray analyses. Targeting the l…
Inferring the Morphology of the Galactic Center Excess with Gaussian Processes
Edward D. Ramirez, Yitian Sun, Matthew R. Buckley +2
Descriptions of the Galactic Center using Fermi gamma-ray data have so far modeled the Galactic Center Excess (GCE) as a template with fixed spatial morphology or as a linear combi…
Luminosity functions consistent with a pulsar-dominated Galactic Center Excess
Jack T. Dinsmore, Tracy R. Slatyer
A new population of millisecond pulsars is a long-standing proposed explanation for the excess of GeV-scale gamma rays emanating from the region surrounding the center of the Milky…
Prospects for Heavy WIMP Dark Matter with CTA: the Wino and Higgsino
Lucia Rinchiuso, Oscar Macias, Emmanuel Moulin +2
TeV-scale particles that couple to the standard model through the weak force represent a compelling class of dark matter candidates. The search for such Weakly Interacting Massive…
The Enigmatic Galactic Center Excess: Spurious Point Sources and Signal Mismodeling
Rebecca K. Leane, Tracy R. Slatyer
The Galactic Center GeV excess (GCE) has garnered great interest as a possible signal of either dark matter annihilation or some novel astrophysical phenomenon, such as a new popul…
Spurious Point Source Signals in the Galactic Center Excess
Rebecca K. Leane, Tracy R. Slatyer
We re-examine evidence that the Galactic Center Excess (GCE) originates primarily from point sources (PSs). We show that in our region of interest, non-Poissonian template fitting…