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NA48/62 latest results

Research output: Contribution to journalArticle

  • Radoslav Marchevski
  • R. Aliberti
  • F. Ambrosino
  • R. Ammendola
  • B. Angelucci
  • A. Antonelli
  • G. Anzivino
  • R. Arcidiacono
  • M. Barbanera
  • A. Biagioni
  • L. Bician
  • C. Biino
  • A. Bizzeti
  • T. Blazek
  • B. Bloch-Devaux
  • V. Bonaiuto
  • M. Boretto
  • M. Bragadireanu
  • F. Brizioli
  • M. B. Brunetti
  • D. Bryman
  • F. Bucci
  • T. Capussela
  • A. Ceccucci
  • P. Cenci
  • V. Cerny
  • C. Cerri
  • B. Checcucci
  • A. Conovaloff
  • E. Cortina Gil
  • M. Corvino
  • F. Costan-tini
  • A. Cotta Ramusino
  • D. Coward
  • G. D’Agostini
  • J. Dainton
  • P. Dalpiaz
  • H. Danielsson
  • N. De Simone
  • D. Di Filippo
  • L. Di Lella
  • N. Doble
  • B. Dobrich
  • F. Duval
  • V. Duk
  • J. Engelfried
  • T. Enik
  • H. Heathhttp://orcid.org/0000-0001-6576-9740
  • R. Page
  • S. Trilov
  • NA62 Collaboration
Original languageEnglish
JournalProceedings of Science
Volume2017-June
Early online date23 Oct 2017
DOIs
DateAccepted/In press - 5 Jun 2017
DateE-pub ahead of print - 23 Oct 2017
DatePublished (current) - 8 Nov 2017

Abstract

The NA62 experiment at the CERN SPS recorded in 2007 a large sample of K+ ? µ+?µ decays. A peak search in the missing mass spectrum of this decay is performed. In the absence of observed signal, the limits obtained on B(K+ ? µ+?h) and on the mixing matrix element |Uµ 4| are reported. The upgraded NA62 experiment started data taking in 2015. About 5×1011K+ decays have been recorded so far to measure the branching ratio of the K+ ? ?+?? decay. Preliminary results from the K+ ? ?+?? analysis based on about 5% of the 2016 statistics are reported.

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    Rights statement: This is the final published version of the article (version of record). It first appeared online via Proceedings of Science at https://doi.org/10.22323/1.304.0004 . Please refer to any applicable terms of use of the publisher.

    Final published version, 995 KB, PDF document

    Licence: CC BY-NC-ND

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