Landau–Yang theorem
id:
landau-yang-theorem-275-8705898
title:
Landau–Yang theorem
text:
In quantum mechanics, the Landau–Yang theorem is a selection rule for particles that decay into two on-shell photons. The theorem states that a massive particle with spin 1 cannot decay into two photons.
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wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Landau%E2%80%93Yang_theorem
date created:
date modified:
2023-06-15T00:12:51Z
main entity:
{"identifier":"Q10380297","url":"https://www.wikidata.org/entity/Q10380297"}
image:
fields total:
13
integrity:
13