L. Pontecorvo

ORCID: 0000-0003-2284-3765
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About
Contact & Profiles
Research Areas
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Particle Detector Development and Performance
  • Quantum Chromodynamics and Particle Interactions
  • Dark Matter and Cosmic Phenomena
  • Computational Physics and Python Applications
  • Cosmology and Gravitation Theories
  • Neutrino Physics Research
  • Radiation Detection and Scintillator Technologies
  • Particle Accelerators and Free-Electron Lasers
  • Distributed and Parallel Computing Systems
  • Astrophysics and Cosmic Phenomena
  • Superconducting Materials and Applications
  • Black Holes and Theoretical Physics
  • Atomic and Subatomic Physics Research
  • Medical Imaging Techniques and Applications
  • Particle accelerators and beam dynamics
  • advanced mathematical theories
  • Muon and positron interactions and applications
  • Advanced Data Storage Technologies
  • Nuclear Physics and Applications
  • Big Data Technologies and Applications
  • Magnetic confinement fusion research
  • Quantum, superfluid, helium dynamics
  • Nuclear physics research studies

European Organization for Nuclear Research
1991-2025

University of California, Santa Cruz
2017-2024

Istanbul University
2023-2024

A. Alikhanyan National Laboratory
2024

Atlas Scientific (United States)
2024

Institute of High Energy Physics
2024

Oxford University Press (United Kingdom)
2024

Istituto Nazionale di Fisica Nucleare, Sezione di Roma I
2013-2023

Boğaziçi University
2018-2023

The University of Adelaide
2014-2023

We have measured the fully inclusive K+ -> mu+nu(gamma) absolute branching ratio with KLOE experiment at DAFNE, Frascati Phi-factory. From some 865,283 decays obtained from a sample of about 5.2x10^8 Phi-meson decays, we find BR(K+ mu+ nu (gamma)) = 0.6366 +-0.0009(stat.) +-0.0015(syst.), corresponding to an overall fractional error 0.27%. Using recent lattice results on decay constants pseudoscalar mesons one can obtain estimate for CKM mixing matrix element |Vus|=0.2223+-0.0026.

10.1016/j.physletb.2005.11.008 article EN cc-by Physics Letters B 2005-11-15

10.1016/j.nima.2003.11.425 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2004-02-06
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