Re: Do free particles have spin?

From: Old Man (nomail_at_nomail.net)
Date: 09/26/04

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    Date: Sat, 25 Sep 2004 20:10:04 -0500
    
    

    "David Rutherford" <drutherford@softcom.net> wrote in message
    news:ts-dnWF56rwROcjcRVn-rg@softcom.net...
    >
    > Gregory L. Hansen wrote:
    >
    > > In article <VqmdnTu5IONwUcncRVn-oQ@softcom.net>,
    > > David Rutherford <drutherford@softcom.net> wrote:
    > >
    > >>Thanks Gregory. Do you know of any evidence in support of free charged
    > >>particle spin?
    > >
    > > Neutrons are my thing, not charged particles. But Google has quite a
    lot
    > > to say about "polarized electron beam".
    >
    > I searched Google under "polarized electron beam" and none of the links
    > explained the difference between polarization and spin orientation. I
    > know that, for a photon, they're different things. Is a polarized
    > electron beam the same as a spin oriented electron beam? If so, how do
    > you know if you are measuring polarization or spin?

    Spin is has both magnitude and direction. Polarization
    indicates the spin direction.

    > Dave Rutherford

    [Old Man]


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