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Particle detection

  1. Mar 30, 2005 #1
    Hi, does anyone know of something of length of order 10^-21 m? I need it for an assignment to describe the detection of something of that length

    Ray Veldkamp
  2. jcsd
  3. Mar 30, 2005 #2
    Look : [tex]\hbar c[/tex] = 200 MeV fm

    so, [tex]10^{-21}[/tex] m naturally correspond to energies of order 200 TeV !

    Dude, that's a lot ! No current accelerator is able to reach this energy.

    Are you certain of the value you are quoting here ?
    Could it be the teacher is trying to trick you ?
  4. Mar 30, 2005 #3
    Yeh its definitely that small, its this stupid unit called methods of experimental physics, we all got assigned a power of 10 and told to describe the operation of a detector to measure a length of that magnitude...i fail to see any point in this but its gotta be done
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