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<DIV><FONT size=2 face=Arial>Footnote: I also clearly do not understand
how I should respond to anyone's comments, whether to a person individually, or
to your structure, where the questioner might find it. Sorry for beingn so
ignorant.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>As to "creating electrons and positrons", devious
Physics Professors have many experiments to abuse students with. Several
are variations of this: Total up the required energy of the two intended
particles, which tells you the needed amount of energy you will need from the
source radiation (in an accelerator). Such precisely powered photons are
then sent through a fairly conventional magnetic field. Whenever any of
the enormous number of photons you are sending through your viewing field
happens to do a Constructive Interference, the result is really obvious.
The electron curves one way and the positron curves the opposite way, but
exactly the same. The curvature and the strength of the magnetic field
allows you to do calculations to establish that they actually were an electron
and a proton. </FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>A similar experimemnt which requires much more
patience is to create a less powerful photon, to try to get it to create a pion+
and pion-. That experiment does not seem to work as often, although I do
not know why, but the path curvatures are different, which identifies the new
particles as pions. The equipment I was allowed to use was not powerful
enough to create proton and anti-proton pairs, so I do not think I ever did that
variation.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>There are also experimental variants where a photon
collides with any of several particles, but where the total energy available is
correct.</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>Carl Johnson</FONT></DIV>
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