# The 20 GeV gamma-ray excess is not from dark matter

- Institution: CERN
- Speaker: Joshua Foster
- Year: 2026
- Language: English
- Source: [CERN](https://videos.cern.ch/record/3026527)
- Licence: [CERN](https://copyright.web.cern)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

The title says it all

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## Lectures

1. [The 20 GeV gamma-ray excess is not from dark matter](https://invisiblenetwork.ai/learn/cern/3026527/5ba7065b28f6), 12 min (CERN's player)