Difference between revisions of "Phi angle in CM frame for different runs"
Jump to navigation
Jump to search
Line 150: | Line 150: | ||
|- | |- | ||
|[[Image:cos_theta_of_pion_in_cm_vs_phi_angle_difference_in_cm_frame_EC_cuts_0-9_M_x_1-1_1-1_W_1-5_1735_files.gif|400px]]||[[Image:cos_theta_of_pion_in_cm_vs_phi_angle_difference_in_cm_frame_EC_cuts_0-9_M_x_1-1_1-1_W_1-5_186_files_N15C12.gif|400px]] | |[[Image:cos_theta_of_pion_in_cm_vs_phi_angle_difference_in_cm_frame_EC_cuts_0-9_M_x_1-1_1-1_W_1-5_1735_files.gif|400px]]||[[Image:cos_theta_of_pion_in_cm_vs_phi_angle_difference_in_cm_frame_EC_cuts_0-9_M_x_1-1_1-1_W_1-5_186_files_N15C12.gif|400px]] | ||
+ | |}<br> | ||
+ | |||
{| border="1" |cellpadding="20" cellspacing="0 | {| border="1" |cellpadding="20" cellspacing="0 |
Revision as of 15:13, 31 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
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