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Thread: High energy physics and particle accelerators

  1. #1 High energy physics and particle accelerators 
    Forum Professor leohopkins's Avatar
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    In Stephen Hawking's book, "A brief history of time" He states that a particle accelerator that would create enough energy for particles to reach near or at planck energy would have to be as big as the solar system.

    Why does he say this ?

    Surely a circular accelerator such as they LHC could do the job by pumping more energy into it and giving the particle's more time to speed up. ?


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    Forum Ph.D. Steve Miller's Avatar
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    Cause it was said mass increases as energy does?


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  4. #3 Re: High energy physics and particle accelerators 
    Forum Isotope Zelos's Avatar
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    Quote Originally Posted by leohopkins
    In Stephen Hawking's book, "A brief history of time" He states that a particle accelerator that would create enough energy for particles to reach near or at planck energy would have to be as big as the solar system.

    Why does he say this ?

    Surely a circular accelerator such as they LHC could do the job by pumping more energy into it and giving the particle's more time to speed up. ?
    probably cause the force requried to make it change direction is to great. The bigger the radius the faster it can go since you can add less energy/force onto the object for each meter to make it keep circeling
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