Re: electron as point particle.




Bjoern Feuerbacher wrote:
> shevek4@xxxxxxxxx wrote:
> > Old Man wrote:
> >
> >><shevek4@xxxxxxxxx> wrote in message
> >>news:1114541530.080722.71120@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >>
> >>>A point particle description is an obvious approximation,
> >>>though a quite useful one.
> >>
> >>The point is elementary. An elementary particle posses no
> >>observable structure.
> >>
> >
> >
> > The study of structure functions to describe scattering of
elementary
> > particles would seem to disagree with your assertion, at least for
> > nucleons.
>
> But nucleons are not elementary particles.
>

That could be debated. Let's say leptons to keep on the same page.

>
> > Wave-mechanics also disagrees, an electron wave-function has
spatial
> > behavior and is not a delta function.
>
> So what? The wave function of the electron is not the electron
itself.
>

I disagree. I think the Copenhagen interpretation disagrees as well.

.



Relevant Pages

  • Re: Various questions
    ... elementary particle. ... electron is structureless, and it's already a dubious enough term. ... Now, we can speak about a mass or charge density for a not localized state, ...
    (sci.physics.research)
  • Re: Very simple question: What is the specific formula of the electron ( not a symbol)?
    ... | Well, if one wants a 3 ton electron, the gamma would have to be ... | times the yearly electrical energy output of the entire planet. ... "Ongoing experiments at the Fermi National Accelerator Laboratory ... other known elementary particle. ...
    (sci.physics.relativity)
  • Re: Various questions
    ... elementary particle. ... electron is structureless, and it's already a dubious enough term. ... Those who declare electrons to be point particles think of the ... their electron cloud, which is state-dependent. ...
    (sci.physics.research)
  • Re: diameter of proton, neutron wrt electron
    ... What's the exact diameter of proton and neutron ... > with respect to electron?? ... Leptons are point particles. ... No elementary particle has an "exact" ...
    (sci.physics)