First Measurement of the Absolute Branching Fraction of 𝜂𝑐→𝛾⁢𝛾 › Research Explorer

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First Measurement of the Absolute Branching Fraction of 𝜂𝑐→𝛾⁢𝛾

Research output: Contribution to journal › Article › peer-review

DOI

https://doi.org/10.1103/whyk-ykjw
Final published version

Original language	English
Article number	071802
Number of pages	11
Journal	Physical Review Letters
Volume	137
Issue number	7
DOIs	https://doi.org/10.1103/whyk-ykjw
Publication status	Published - 12 Aug 2026

OECD FOS+WOS

1.03.UP PHYSICS, PARTICLES & FIELDS

Research areas

Leptonic, semileptonic & radiative decays, Quarkonia, Lepton colliders

ID: 83242650