Seminars and Journal Clubs
Kaon Physics at CERN: Recent Results and New Opportunities
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Europe/Brussels
CYCL 09 (CYCL 09)
CYCL 09
CYCL 09
Description
The CERN kaon physics programme at the SPS (NA48) has delivered a very
broad range of physics results during the past decade, ranging from the
discovery of Direct CP-Violation to the study of the strong interaction
at low energy. In the seminar I will present the most recent results
including:
* Search of CP Violation in charged kaon decays
* Measurement of the pi -pi scattering length in non-leptoni and
semi- leptonic kaon decays
* Tests of muon - electron non-universality in kaon leptonic decays
The availability of the SPS to deliver high quality secondary beams
during the LHC operations allows us to plan new initiatives. I will
describe the exciting opportunity to study ultra-rare kaon decays at the
SPS in the next few years. A very special class of decays are the K -->
pi nu anti-nu . They are sensitive to very high energy scales because,
on one hand, the Standard Model (SM) rate is very suppressed and
precisely calculable and, on the other hand, sizeable effects are
predicted in several extensions of the Standard Model. Therefore such
experiments are very complementary to the studies performed at the high
energy frontier. The new experiment (NA62) aims to precisely measure,
among other things, the decay K+ --> pi+ nu anti-nu. NA62 builds on the
infrastructure and on the detectors of NA48 and it is poised continue
the outstanding tradition of kaon studies at CERN.