TL;DR
DarkCapPy is an open-source Python package designed to compute dark matter capture, annihilation rates, and mediator decay signals near Earth, incorporating advanced effects like Sommerfeld enhancement.
Contribution
It introduces a flexible, open-source tool for modeling dark matter interactions and signals specific to Earth, including new calculations like Sommerfeld enhancement and equilibrium timescales.
Findings
Includes calculations of Sommerfeld enhancement at Earth's center
Provides estimates of capture-annihilation equilibrium timescales
Offers a modifiable framework for other celestial objects and mediator spins
Abstract
DarkCapPy is a Python 3/Jupyter package for calculating rates associated with dark matter capture in the Earth, annihilation into light mediators, and the subsequent observable decay of the light mediators near the surface of the Earth. The package includes a calculation of the Sommerfeld enhancement at the center of the Earth and the timescale for capture--annihilation equilibrium. The code is open source and can be modified for other compact astronomical objects and mediator spins.
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