https://doi.org/10.1140/epjc/s10052-010-1406-3
An evaluation of |V us | and precise tests of the Standard Model from world data on leptonic and semileptonic kaon decays
1
Dep. ECM and ICC, Universitat de Barcelona, 08028, Barcelona, Spain
2
Laboratori Nazionali di Frascati dell’INFN, 00044, Frascati, RM, Italy
3
Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
4
Institut für Physik, Universität Mainz, 55099, Mainz, Germany
5
Dipartimento di Fisica, Università di Pisa e Sezione dell’INFN di Pisa, 56100, Pisa, Italy
6
Institute for High Energy Physics, 142284, Protvino, Russia
7
Departament de Física Teòrica, IFIC, Universitat de València—CSIC, 46071, València, Spain
8
Fakultät für Physik, Universität Wien, 1090, Vienna, Austria
Received:
13
May
2010
Revised:
15
June
2010
Published online:
19
August
2010
We present a global analysis of leptonic and semileptonic kaon decay data, including all recent results published by the BNL-E865, KLOE, KTeV, ISTRA+ and NA48 experiments. This analysis, in conjunction with precise lattice calculations of the hadronic matrix elements now available, leads to a very precise determination of |V us | and allows us to perform several stringent tests of the Standard Model.
© Springer-Verlag / Società Italiana di Fisica, 2010