0000000000246928

AUTHOR

T. Cuhadar-dö

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A new measurement of the branching ratio of K(S) → γ γ

2000

Abstract The decay rate of KS → γγ has been measured with the NA48 detector at the CERN SPS. A total of 149 KS → γγ events have been observed. The branching ratio is determined to be (2.58±0.36(stat)±0.22(sys))×10−6.

Nuclear physicsPhysicsNuclear and High Energy Physicsmesoni K; decadimentiLarge Hadron ColliderBranching fractionDetector
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