Working Paper Review Version 1 This version is not peer-reviewed

Photon-photon Interactions and the Opacity of the Universe in Gamma-Rays

Version 1 : Received: 28 March 2021 / Approved: 30 March 2021 / Online: 30 March 2021 (13:10:22 CEST)

How to cite: Franceschini, A. Photon-photon Interactions and the Opacity of the Universe in Gamma-Rays. Preprints 2021, 2021030737 Franceschini, A. Photon-photon Interactions and the Opacity of the Universe in Gamma-Rays. Preprints 2021, 2021030737

Abstract

We discuss the topic of the transparency of the Universe in gamma-rays due to the Extragalactic Background Light, and its cosmological and physical implications. Rather than a review, this is a personal account on the development of 30 years of this branch of physical science. Extensive analysis of the currently available information appears to us as revealing a global coherence among the astrophysical, cosmological, and fundamental physics data, or, at least, no evident need so far of substantial modification of our present understanding. Deeper data from future experiments will verify to what extent and in which directions this conclusion should be modified.

Subject Areas

High energy astrophysics; Background radiation; Photon-photon interaction; Pair production

Comments (0)

We encourage comments and feedback from a broad range of readers. See criteria for comments and our diversity statement.

Leave a public comment
Send a private comment to the author(s)
Views 0
Downloads 0
Comments 0
Metrics 0


×
Alerts
Notify me about updates to this article or when a peer-reviewed version is published.
We use cookies on our website to ensure you get the best experience.
Read more about our cookies here.