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A measurement of the η radiative width Γη→γγ

Research output: Contribution to journalJournal article

Published

<mark>Journal publication date</mark>1985
<mark>Journal</mark>Physics Letters B
Issue6
Volume158
Number of pages8
Pages511-518
<mark>Original language</mark>English

Abstract

The radiative width of the η meson has been measured at PETRA in photon-photon collisions. The resulting value is Γη→γγ=0.53±0.04±0.04 keV.