Re: Alice slays Mad Hatter


"Sue..." <suzysewnshow@xxxxxxxxxxxx> wrote in message
news:1112739178.323895.285030@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx


Here is an interesting treatment of charge pairs:
Exerpt:
<< Ideally, the balance function would isolate the ab pair and
the interaction with the cd pair would cancel from the subtraction,
N+- - N++ . The correlations will lead to distortions
if
(equation 21)

That is, distortions are caused only by those interactions that
differ between same-sign and opposite-sign particles.
d
Lets parse this up because it makes me feel blogged :-)
'between same-sign and opposite-sign particles'
+><- oposite sign +<>+ same sign -<>- same sign again
'interactions that differ' does that mean between >< and <> ?


s
For instance,
an isoscalar exchange between pions would not bring
on a distortion,
d
Dont know what this is.
s
but a Coulomb interaction or identicalparticle
interference would provide a source for distortion.
d
That I think I understand although I thought 'Coulomb interaction' included
'identical particle
interference' in the form of repulsion
s
We simulate these effects for p1 p2 balance functions >>

Removing distortions from charge balance functions
File Format: PDF/Adobe Acrobat - View as HTML
http://www.keck.ucsf.edu/~chengs/research/distortions.pdf

STAR: Physics results
<< As a result of local charge conservation, when
particle-antiparticle pairs are produced, they are
correlated initially in position space. >>
http://www.star.bnl.gov/STAR/ebe/new/BalanceFn.htm
d
Will look at your links in the evening to keep costs down:-)

Sue...


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