Re: The role of exchange particles in force

From: Ken Seto (kenseto_at_erinet.com)
Date: 10/11/04 

Date: 11 Oct 2004 11:08:30 -0700

Bjoern Feuerbacher <feuerbac@thphys.uni-heidelberg.de> wrote in message news:<ck8nie$m4s$2@news.urz.uni-heidelberg.de>...
> G=EMC^2 Glazier wrote:
> > Hi Y Porat Seems to me the common feature of forces is just as mass
> > determines how gravity affects a particle,and electric charge determines
> > how electromagnetic "force" affects it,particles are endowed with
> > certain amounts of "strong charge" and "weak charge" and that determines
> > how they are affected by the strong and weak forces.
>
> Precisely right.
>
> Charges are in particle physics also called "coupling constants", since
> they determine how strong the particles "couple" to a particular force.
>
>
> > Still it is tricky
> > stuff. Like "Why are the strong and weak forces confined to operate on
> > microscopic scales while gravity and the electromagnetic force have
> > unlimited range
>
> Well, QFT explains that.
>
>
> > And why is there such an enormous spread in the
> > intrinsic strength of these forces? Bert
>
> That is something which we still do not know.

MM knows.:-)

Ken Seto

Relevant Pages

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