Difference between revisions of "Sign of the beam polarization"
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[N(parallel) - N(anti-parallel)]/[N(parallel) + N(anti-parallel)] = -7/9 | [N(parallel) - N(anti-parallel)]/[N(parallel) + N(anti-parallel)] = -7/9 | ||
</pre> | </pre> | ||
| + | |||
| + | Moller solenoid field points DOWNSTREAM, so electrons in iron foil point UPSTREAM. | ||
* Beni Zihlman's note on the sign of the helicity from the Moller: ([https://hallcweb.jlab.org/polwiki/images/0/0d/Helicity.ps ps], [https://hallcweb.jlab.org/polwiki/images/8/8f/Helicity.pdf pdf]) | * Beni Zihlman's note on the sign of the helicity from the Moller: ([https://hallcweb.jlab.org/polwiki/images/0/0d/Helicity.ps ps], [https://hallcweb.jlab.org/polwiki/images/8/8f/Helicity.pdf pdf]) | ||
Revision as of 09:32, 1 December 2011
- Notes on the sign of the beam polarization as determined by the Moller.
Asymmetry at 90 degrees in the Center of Mass:
[N(parallel) - N(anti-parallel)]/[N(parallel) + N(anti-parallel)] = -7/9
Moller solenoid field points DOWNSTREAM, so electrons in iron foil point UPSTREAM.
