[ExI] More on FTL Neutrinos

john clark jonkc at bellsouth.net
Sun Oct 23 16:54:11 UTC 2011


With a little luck in a few weeks we may know if this neutrino moving 
faster than light stuff is a bride of cold fusion fiasco or the greatest
 development in physics since the Quantum Mechanics revolution. 

http://news.sciencemag.org/scienceinsider/2011/10/faster-than-light-result-to-be.html?ref=hp



        "The new measurements will involve a change in the CERN neutrino 
beam. CERN makes the particles by colliding proton pulses with a 
graphite target, with
        each pulse being about 10,500 nanoseconds long. CERN has now 
split these pulses up so that each one consists of bunches lasting 1 to 2
 nanoseconds;
        bunches are separated by gaps of 500 nanoseconds. The change 
means that it will be possible to tie each neutrino event recorded 
inside OPERA to a
        specific proton bunch, thus enabling a very precise measurement 
of the time it takes neutrinos to travel between the two labs. 
Previously, the
        collaboration had to carry out a statistical analysis to 
establish the time-of-flight, which involved comparing the temporal 
distribution of protons
        generated at CERN with that of the neutrinos detected at Gran 
Sasso. Critics had argued that this analysis might not be reliable."
    
    
        "Sources suggest that the collaboration will carry out the 
measurements over a period of 10 days, probably starting next week, and 
that in that time it
        should intercept around 12 neutrinos. It's possible that will 
generate enough data to disprove the announced result, or else to 
confirm an important
        part of the analysis behind the result." John K Clark
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