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Particle deflection in a Stern-Gerlach experiment

  1. Nov 14, 2014 #1
    In the case of a beam of atoms passing between opposed magnets in a Stern Gerlach device and being deflected by the field into two different directions with 50:50 probability, could someone please clarify for me if there is a lower limit of magnetic field strength for this sorting effect to occur?


    This is my first post on the forum and I have had a browse for similar threads but please forgive me if I have repeated a previous question.

    Thankyou,

    Sam
     
  2. jcsd
  3. Nov 14, 2014 #2

    kith

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  4. Nov 14, 2014 #3
    Thanks for the link, kith. I have had a closer look now and feel a bit closer to understanding this. I am curious because I have read that in principle there is no lower limit, but it seems that testing at very low energies merely results in infinetessimal perturbations.
     
  5. Nov 14, 2014 #4

    kith

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    Yes, it is simply your detector resolution which gives a lower limit on the spatial separation of beams which you need to achieve.
     
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