Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Disintegration of proton in water atom (task)

  1. Nov 13, 2004 #1
    Little task :
    The great unification theory says that there is a very little
    probability that the proton will disintegrate for meson pi0 and
    positron (e+) .
    In one of the experiments ,checking this theory, there were 3300
    tons of water obserwed using very sensible gear , the gear can
    manage to detect even single case of disintegration . During one year
    of obserwations there weren't noticed any cases of disintegration.
    Questions :
    1- What limitation for half-life period is implicated by this
    obserwations ?
    2- In which value of half-life period ,in one year of obserwations ,
    would be obserwed at least one case of disintegration with 95%
    probability ?
    Good luck !
  2. jcsd
  3. Nov 14, 2004 #2


    User Avatar

    Staff: Mentor

    Are you asking for help on a homework problem? Start by calculating the number of protons in the tank...
  4. Nov 15, 2004 #3
    And then ?
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?

Similar Discussions: Disintegration of proton in water atom (task)
  1. Atom But? (Replies: 2)

  2. Electrons and protons (Replies: 12)