Difference between revisions of "Analysis resources for transversity"
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Cut on the preshower BB.ts.ps.e>400 | Cut on the preshower BB.ts.ps.e>400 | ||
− | We could cut on the vertex z to exclude the electron from the target windows. | + | [[Image:Electron pid3.gif]] |
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+ | We could cut on the vertex z to exclude the electron from the target windows. abs(BB.tr.vz)<0.18 | ||
[[Image:Electron pid2.gif]] | [[Image:Electron pid2.gif]] |
Revision as of 00:06, 3 November 2008
Lists of links to useful link for Analysis
Contents
Bull's eye scan
Bull's eye scan results in HALOG by Vince
BCM calibration transversity
Pressure curve data with reference cell
Optics transversity
Hydrogen runs transversity
- Select Electron from BigBite (1st pass)
Cut on the preshower BB.ts.ps.e>400
We could cut on the vertex z to exclude the electron from the target windows. abs(BB.tr.vz)<0.18
The formula is p_elastic = (1.231*0.938)/(0.938+1.231*(1-BB.tr.pz/BB.tr.p))
We could also cut on the expected momentum to select the elastic electrons.