English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Zendy Plus

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Zendy Tools

Zendy Open

By embedding the pions in a spontaneously broken gauge theory of weak and electromagnetic interactions, we are able to remove certain ambiguities found in previous calculations of charged-pion decay. By doing so we confirm an apparent two-standard-deviation discrepancy between theory and experiment. (AIP)

Radiative corrections to muon-electron universality in a gauge theory of charged-pion decay