Re: radius of a free neutron

From: Franz Heymann (notfranz.heymann_at_btopenworld.com)
Date: 01/14/05 

Date: Fri, 14 Jan 2005 22:24:42 +0000 (UTC)

"Y.Porat" <maporat@012.net.il> wrote in message
news:1105684697.060066.282160@f14g2000cwb.googlegroups.com...
> and the proton ??
> which is a brother of the neutron??
> does it have ?
> and why shold a longish structure *have * a magnetic quadropole??

Only if it has distributed magnetic dipole moment. If it has a charge
distribution, it might have electric quadrupole moment. The elongated
shape of the deuteron and its electric quadrupole moment are
intimately connected.

Familiarise yourself with the nature of quadrupole moments of any
kind.

Franz