NA62 experiment
The NA62 experiment (known as P-326 at the stage of proposal) is a planned particle physics experiment at the North Area of the SPS accelerator at CERN. It aims to take data in 2013–2015, when it will become the first in the world to probe the decays of the charged kaon with probabilities down to 10−12. The experiment's spokesperson is Augusto Ceccucci.
Goal
The experiment will be focused on precision tests of the Standard Model via studies of ultra-rare decays of the charged kaons (K+ → π+ + ν + ν). More specifically, it aims to determine the CKM matrix element |Vtd| within 10% by detecting 80 such decays over a period of two years.[1] This element relates very accurately the likelihood that top quarks decay to down quarks. The Particle Data Group's 2008 Review of Particle Physics lists |Vtd| = 0.00874+0.00026
−0.00037.[2]
See also
References
- ^ "NA48-3 Abstract". CERN. Retrieved 2009-09-28.
- ^
C. Amsler; et al. (2008). "Review of Particles Physics" (PDF). Physics Letters B. 667: 1–1340. Bibcode:2008PhLB..667....1P. doi:10.1016/j.physletb.2008.07.018.
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Further reading
- "Proposal to measure the rare decay K+ → π+νν at the CERN SPS" (PDF). CERN. 11 June 2005. CERN-SPSC-2005-013. Retrieved 2009-09-28.
- "NA62 Technical Design". CERN. December 2010. CERN NA62-10-07. Retrieved 2011-04-29.
- Andreas Winhart (15 July 2009). "A precision test of lepton universality in K →lν decays by NA62 at CERN" (PDF). EMG Seminar. Retrieved 2009-09-28.
External links
- NA62 website
- CERN Grey Book > NA48/3 experiment
- CERN Grey Book > NA62 experiment
- P-326/NA62 experiment TWiki Pages
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