RE: Nuclear Isomer Decay: A Possibility for Breakthrough Space

["Jeff Vollmer" <jvollmer@cemrc.org>]

Gammas have no Rest Mass.  The do have apparent mass.

-----Original Message-----
From: radsafe@romulus.ehs.uiuc.edu
[mailto:radsafe@romulus.ehs.uiuc.edu]On Behalf Of Mike McNaughton
Sent: Wednesday, March 31, 1999 10:28 AM
To: Multiple recipients of list
Subject: RE: Nuclear Isomer Decay: A Possibility for Breakthrough Space


>I thought gammas had no mass..... how can there be a recoil momentum?

Einstein's relativity theory predicts that photons have momentum p = E/c.
This prediction was first confirmed by Compton scattering, and has since
been confirmed by many other observations.
"Shlala gashle" (Zulu greeting, meaning "Stay safe")
mike (mcnaught@LANL.GOV)
************************************************************************
The RADSAFE Frequently Asked Questions list, archives and subscription
information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html

************************************************************************
The RADSAFE Frequently Asked Questions list, archives and subscription
information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html