A value of (-6.1 +/- 0.9(stat) +/- 0.5(syst)) x 10(-3) is obtained for the quadratic slope parameter h in the K-L --> 3 pi (0) decay Dalitz plot at the NA48 experiment at the CERN SPS. The result is based on 14.7 x 10(6) fully reconstructed K-L --> 3 pi (0) --> 6 gamma decays. This is the most precise measurement of any of the Dalitz plot slope parameters in the charged and neutral kaon decays so far. (C) 2001 Published by Elsevier Science B.V.
Measurement of the quadratic slope parameter in the K-L -> 3 pi(0) decay Dalitz plot
MENICHETTI, Ezio;
2001-01-01
Abstract
A value of (-6.1 +/- 0.9(stat) +/- 0.5(syst)) x 10(-3) is obtained for the quadratic slope parameter h in the K-L --> 3 pi (0) decay Dalitz plot at the NA48 experiment at the CERN SPS. The result is based on 14.7 x 10(6) fully reconstructed K-L --> 3 pi (0) --> 6 gamma decays. This is the most precise measurement of any of the Dalitz plot slope parameters in the charged and neutral kaon decays so far. (C) 2001 Published by Elsevier Science B.V.
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