Difference between revisions of "Phi angle in CM frame for different runs"
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[[Image:1111.gif|400px]]<br> | [[Image:1111.gif|400px]]<br> | ||
− | Cuts: EC_inner>0. | + | Cuts: EC_inner>0.06, EC_tot/p>0.2, nphe>2.5, <math>0.9<M_x<1.1</math>, <math>1.1<W<1.5</math> and <math>0.6<cos\theta_{pion}^{CM}<0.8</math>.<br> |
Revision as of 15:48, 9 July 2008
EC_total, vs , missing mass, vs
- Electron Momentum vs EC_total
- Missing Mass
- vs
Phi lab
The angle is (0, 360).
electron sector | after correction | ||
1 | |||
2 | |||
3 | |||
4 | |||
5 | |||
6 |
Phi CM
The phi angle after rotation and transformation to the CM frame
electron sector | ||
1 | ||
2 | ||
3 | ||
4 | ||
5 | ||
6 |
Correlation plots with , and
The angle is (0, 360).
vs | vs | vs |
Same table as above but with the cut 1.0 < W < 1.5
vs | vs | vs |
Same table as above but with the cuts 1.0 < W < 1.25 GeV , 20 MeV bins in W and 15 degree bins in
vs | vs | vs |
Same table as above but with the cuts 1.0 < W < 1.5 GeV and -0.2 <
< 0vs | vs | vs |
Insert the same table as above but with the cuts 1.15 < W < 1.25 GeV and -0.1 << 0, 20 MeV bins in W and 15 degree bins in
vs | vs | vs |
Insert the same table as above but with the cuts W < 1.25 GeV and -0.1 << 0, 20 MeV bins in W and 15 degree bins in
vs | vs | vs |
Phi_angle_in_CM_Frame for different cuts
Used 1735 files. The following cuts are applied:
Insert plot of M_x and W to show cuts
Then insert phi -vs- theta
Cuts: EC_inner>0.06, EC_tot/p>0.2, nphe>2.5,
1.4 < Q^2 < 1.8 1.13< W <1.17 not a good one