In a preliminary version of the NA48 experiment at the CERN SPS, in which an iron-scintillator sandwich calorimeter was used as a photon detector, the ratio of K(L) --> pi mu nu gamma and K(L) --> pi mu nu decays was measured. The branching ratio is found to be (2.08 +- 0.17 + 0.16 -0.21) x 10^(-3). The result is in agreement with theoretical predictions.
First measurement of the rate K0_L -> pi mu nu gamma
ANZIVINO, Giuseppina;
1998
Abstract
In a preliminary version of the NA48 experiment at the CERN SPS, in which an iron-scintillator sandwich calorimeter was used as a photon detector, the ratio of K(L) --> pi mu nu gamma and K(L) --> pi mu nu decays was measured. The branching ratio is found to be (2.08 +- 0.17 + 0.16 -0.21) x 10^(-3). The result is in agreement with theoretical predictions.File in questo prodotto:
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