# String axiverse and gamma-ray spectral modulation of galactic pulsars

- Institution: CERN
- Department: Conferences & Workshops
- Speaker: Kiwoon Choi
- Year: 2019
- Language: English
- Source: [CERN](https://videos.cern.ch/record/3016585)
- Licence: [CERN](http://copyright.web.cern.ch)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

I discuss first the possible range of axion scales and couplings in string axiverse, and then the possibility to explain the recently noticed spectral modulation of gamma-rays from some galactic pulsars by the axion-photon-dark photon mixing realized in axiverse scenario..

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## Lectures

1. [String axiverse and gamma-ray spectral modulation of galactic pulsars](https://invisiblenetwork.ai/learn/cern/3016585/ad16b0184945), 34 min (CERN's player)