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Thread: particle isolation

  1. #1 particle isolation 
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    How are single atom or particle samples created for use in a particle accelerator? how does the dispersal mechanism work? i know mass spectrometers can split atoms on the basis of their isotopes easy enough but how would you go about isolating a single atom sample from this?


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  3. #2  
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    This is a really good question- but I'm thinking you aren't looking to go into deep mechanical detail...
    So the short version is, there's more than one method.
    One method is to make a "trap" for a particle. This is done by putting a device that creates an electric field into a vacuum chamber, and cooling the chamber down (Very cold!) in order to have what you want to study in its lowest energy state.
    Laser pulses are used to nudge the trapped particle toward a higher energy state, but stopping just in between putting the particle in superposition with an equal chance of being in either energy state.

    For your other questions, such as how a particle accelerator does it's thing, I'm not really sure...


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  4. #3  
    Anti-Crank AlexG's Avatar
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    Single ions aren't used in particle accelerators. Clouds of ions are used.
    Its the way nature is!
    If you dont like it, go somewhere else....
    To another universe, where the rules are simpler
    Philosophically more pleasing, more psychologically easy
    Prof Richard Feynman (1979) .....

    Das ist nicht nur nicht richtig, es ist nicht einmal falsch!"
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    Do they use cryogenics so? that it i learned cryogenics because i wanted to know how to make a lightbulb is it that simple? its easy making ion clouds when you can liquify air i suppose
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  6. #5  
    Forum Bachelors Degree Kerling's Avatar
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    Quote Originally Posted by fiveworlds View Post
    Do they use cryogenics so? that it i learned cryogenics because i wanted to know how to make a lightbulb is it that simple? its easy making ion clouds when you can liquify air i suppose
    What? I suggest you start reading the wikipedia page of the LHC for instance.
    Yes, when colliding particles with their antiparticles at high speed. You need super conduction. And this generally requires cryogenics. Otherwise it wouldn't at all be possible.
    In the information age ignorance is a choice.
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