= Measurement of the Xi0 to Lambda gamma Decay Asymmetry and Branching Fraction by NA48 Collaboration
{c}
{tag=Work by NA48 Collaboration}
{title2=2004}
https://arxiv.org/abs/hep-ex/0401027
Physical Letters B 584, 251–259. https://doi.org/10.1016/j.physletb.2004.01.041
The collaboration selected 730 candidates with an estimated $58\pm8$ background events and measured a <branching fraction> $(1.16\pm0.05_{\rm stat}\pm0.06_{\rm syst})\times10^{-3}$. This is an observed weak radiative channel, not an electromagnetic flavour-conserving decay.
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