Hadronic Footprint of GeV-Mass Dark Matter
Tilman Plehn, Peter Reimitz, Peter Richardson
TL;DR
This paper updates the Herwig7 simulation tool to analyze photon and positron spectra from GeV-mass dark matter annihilation, aiding detection efforts by modeling complex hadronic final states with error estimates.
Contribution
The paper introduces an updated Herwig7 version for simulating hadronic spectra from GeV-mass dark matter annihilation, including error estimation.
Findings
Simulated photon and positron spectra for dark matter masses 250 MeV to 5 GeV.
Enhanced modeling of hadronic final states in dark matter annihilation.
Provides error estimates for the spectral predictions.
Abstract
GeV-scale dark matter is an increasingly attractive target for direct detection, indirect detection, and collider searches. Its annihilation into hadronic final states produces a challenging zoo of light hadronic resonances. We update Herwig7 to study the photon and positron spectra from annihilation through a vector mediator. It covers dark matter masses between 250 MeV and 5 GeV and includes an error estimate.
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