Measurements of the Absolute Branching Ratios for the Dominant KL Decays, the KL Lifetime, and Vus with the KLOE Detector

Abstract

From a sample of about 10^9 Phi mesons produced at DAFNE, we have selected KL mesons tagged by observing KS->pi+pi- decays. We present results on the major KL branching ratios, including those of the semileptonic decays needed for the determination of Vus. These branching ratio measurements are fully inclusive with respect to final-state radiation. The KL lifetime has also been measured.

Submitted to Phys. Lett. B

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• The K -> pi vector form factor at zero momentum transfer on the lattice
• Data handling, reconstruction, and simulation for the KLOE experiment
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• A Determination of the CKM Parameter |Vus|
• High statistic measurement of the K- -> pi0 e- nu decay form-factors
• Measurements of KL Branching Fractions and the CP Violation Parameter |eta+-|
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• High statistic study of the K- -> pi0 mu- nu decay
• Measurement of the KL meson lifetime with the KLOE detector
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