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SUMMARY:The NA62/P326 Experiment at CERN - Dr. Cristina Lazzeroni (Univers
 ity of Birmingham)
DTSTART:20081111T150000Z
DTEND:20081111T160000Z
UID:TALK14722@talks.cam.ac.uk
CONTACT:Chris Jones
DESCRIPTION:The rare decay (K+ to pi+ nu nubar) plays a crucial role in se
 arching\nfor  physics beyond the Standard Model. Its branching ratio can b
 e computed\nwith a precision much higher than any other flavour changing n
 eutral current\nprocess involving quarks both in K and B physics. The SM p
 redicts a branching\nratio of 8.22x10^(-11). The total theoretical uncerta
 inty is reducible\ndown to <5\\% in view of the experimental and theoretic
 al improvements\nexpected in the near future. For these reasons a 10% prec
 ision measurement of\nthe BR will give rise to a very precise test of the 
 Standard Model.\nWithin the Minimal Supersimmetry Model the (K+ to pi+ nu 
 nubar) is the\nbest observable to determine or constrain from data the siz
 e of the scalar up-type\ntrilinear interaction terms which enter in the so
 ft-susy symmetry breaking sector of the\nmodel. Depending on the MSSM scen
 ario\, these effects can be as large as 20-25\\%\non the branching ratio w
 ith respect to effects more than two times lower for other rare\ndecays li
 ke (B to mu mu).\nThe experiment NA62 at CERN aims to collect about 100 (K
 + to pi+ nu nubar) events\nwith 10% background in 3 years of data taking\,
  starting from 2012.\nThe experimental technique and the status of the exp
 eriment will be revised.\n\n<a href="http://www.hep.phy.cam.ac.uk/seminars
 /talks/2008/michaelmas/CristinaLazzeroni-11112008.pdf">Download a PDF copy
  of the talk</a>
LOCATION:Rutherford Seminar Room B
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