✦ LIBER ✦

A Rare Charged Kaon Experiment at Fermilab

✍ Scribed by Erik Ramberg

Publisher: Elsevier Science
Year: 2005
Tongue: English
Weight: 197 KB
Volume: 142
Category: Article
ISSN: 0920-5632
DOI: 10.1016/j.nuclphysbps.2005.01.009

No coin nor oath required. For personal study only.

✦ Synopsis

The measurement of the branching ratio for K + → π + ν ν is considered to be one of the best ways of measuring the CKM matrix element V td . The BNL experiments E787 and E949 have seen 3 instances of this decay, using a stopped kaon beam. To improve the statistics enough to make a good measurement will require a decay-in-flight experiment. Fermilab has approved such an experiment-E921. The status of this experiment and a new proposed experiment-P940-is discussed here.

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