0000000000930515

AUTHOR

Salvatore Fiore

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Precision measurement of the K S meson lifetime with the KLOE detector

2010

Using a large sample of pure, slow, short lived K0 mesons collected with KLOE detector at DaFne, we have measured the KS lifetime. From a fit to the proper time distribution we find tau = (89.562 +- 0.029_stat +- 0.043_syst) ps. This is the most precise measurement today in good agreement with the world average derived from previous measurements. We observe no dependence of the lifetime on the direction of the Ks.

PhysicsHigh Energy Physics - Experiment (hep-ex)Particle physicsPhysics and Astronomy (miscellaneous)MesonDetectorFOS: Physical sciencesProper timeHigh Energy Physics::ExperimentEngineering (miscellaneous)High Energy Physics - ExperimentLarge sampleThe European Physical Journal C
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