Phi angle in CM frame for different runs
Revision as of 14:21, 13 August 2008 by Oborn (talk | contribs) (→Electron_theta_angle_in_Lab_Frame_vs_phi_angle_in_CM_Frame)
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 | ![]() |
![]() |
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
NH3 target | N15 and C12 target |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Cuts: EC_inner>0.06, EC_tot/p>0.2, nphe>2.5,
[3]
Cuts: EC_inner>0.06, EC_tot/p>0.2, nphe>2.5, , and .
[4]
cos_theta_pion_CM_Frame_vs_Phi_angle_in_CM_Frame for different W(missing mass) cuts
1.14<W<1.16 | 1.16<W<1.18 | 1.18<W<1.2 | 1.2<W<1.22 | 1.22<W<1.24 |
![]() |
![]() |
![]() |
![]() |
1.24<W<1.26 | 1.26<W<1.28 | 1.28<W<1.3 | 1.3<W<1.32 | 1.32<W<1.34 |
![]() |
![]() |
![]() |
![]() |
1.34<W<1.36 | 1.36<W<1.38 | 1.38<W<1.4 | 1.4<W<1.42 | 1.42<W<1.44 |
![]() |
![]() |
![]() |
![]() |
Phi_angle_in_CM_Frame for 1.44<W<1.46
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Phi_angle_CM_Frame_vs_Relative_Rate for Missing Mass equal to 1.45 GeV
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Pion_theta_angle_in_Lab_Frame_vs_phi_angle_in_CM_Frame
electron sector | pion_theta_angle_vs_phi_angle_in_CM_Frame_before_cuts | pion_theta_angle_vs_phi_angle_in_CM_Frame_after_cuts(EC_inner>0.06, EC_tot/p>0.2, nphe>2.5, | , )
1 | ![]() |
![]() |
2 | ![]() |
![]() |
3 | ![]() |
![]() |
4 | ![]() |
![]() |
5 | ![]() |
![]() |
6 | ![]() |
![]() |
pion sector | pion_theta_angle_vs_phi_angle_in_CM_Frame_after_cuts(EC_inner>0.06, EC_tot/p>0.2, nphe>2.5, | , )
1 | ![]() |
2 | ![]() |
3 | ![]() |
4 | ![]() |
5 | ![]() |
6 | ![]() |