Difference between revisions of "Phi angle in CM frame for different runs"

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=EC_total, <math>cos \theta_{pion}^{CM}</math>, missing mass, <math>\theta_{e}</math> vs <math>\phi_{e}</math>=
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=EC_total, <math>cos\theta_{pion}^{CM}</math> vs \phi_{diff}^{CM}, missing mass, <math>\theta_{e}</math> vs <math>\phi_{e}</math>=
  
  

Revision as of 01:43, 23 June 2008

EC_total, [math]cos\theta_{pion}^{CM}[/math] vs \phi_{diff}^{CM}, missing mass, [math]\theta_{e}[/math] vs [math]\phi_{e}[/math]

Electron momentum vs EC total without cuts.gif Electron momentum vs EC total with cuts.gif


Missing mass no cuts.gif

Electron theta vs electron phi angle in lab frame using trl variables with cuts.gif

Pion cosine theta in cm frame vs phi angle difference in cm frame with cuts.gif

[math]\varphi^{LAB}[/math]

The angle is (0, 360).


electron sector [math]\varphi_{e}^{LAB}[/math] [math]\varphi_{pion}^{LAB}[/math] [math]\varphi_{e}^{LAB} - \varphi_{pion}^{LAB}[/math] after correction
1 Electron phi angle for sector 1 in LAB frame 27 files.gif Pion phi angle for sector 1 in LAB frame 27 files.gif Phi angle difference for sector 1 in LAB frame 27 files after cor.gif
2 Electron phi angle for sector 2 in LAB frame 27 files.gif Pion phi angle for sector 2 in LAB frame 27 files.gif Phi angle difference for sector 2 in LAB frame 27 files after cor.gif
3 Electron phi angle for sector 3 in LAB frame 27 files.gif Pion phi angle for sector 3 in LAB frame 27 files.gif Phi angle difference for sector 3 in LAB frame 27 files after cor.gif
4 Electron phi angle for sector 4 in LAB frame 27 files.gif Pion phi angle for sector 4 in LAB frame 27 files.gif Phi angle difference for sector 4 in LAB frame 27 files after cor.gif
5 Electron phi angle for sector 5 in LAB frame 27 files.gif Pion phi angle for sector 5 in LAB frame 27 files.gif Phi angle difference for sector 5 in LAB frame 27 files after cor.gif
6 Electron phi angle for sector 6 in LAB frame 27 files.gif Pion phi angle for sector 6 in LAB frame 27 files.gif Phi angle difference for sector 6 in LAB frame 27 files after cor.gif


[math]\varphi^{CM}[/math]

The angle is (0, 360).

I have applied the following cuts: EC_tot>140MeV, EC_inner>50Mev and nphe>2.5.

electron sector [math]\varphi_{e}^{CM}[/math] [math]\varphi_{pion}^{CM}[/math] [math]\varphi_{e}^{CM} - \varphi_{pion}^{CM}[/math] after correction [math]\varphi_{e}^{CM} - \varphi_{pion}^{CM}[/math]
1 Electron phi angle for sector 1 in CM frame 27 files cuts.gif Pion phi angle for sector 1 in CM frame 27 files cuts.gif Phi angle difference for sector 1 in CM frame 27 files after cor cuts.gif Phi angle difference for sector 1 in CM frame 27 files cuts.gif
2 Electron phi angle for sector 2 in CM frame 27 files cuts.gif Pion phi angle for sector 2 in CM frame 27 files cuts.gif Phi angle difference for sector 2 in CM frame 27 files after cor cuts.gif Phi angle difference for sector 2 in CM frame 27 files cuts.gif
3 Electron phi angle for sector 3 in CM frame 27 files cuts.gif Pion phi angle for sector 3 in CM frame 27 files cuts.gif Phi angle difference for sector 3 in CM frame 27 files after cor cuts.gif Phi angle difference for sector 3 in CM frame 27 files cuts.gif
4 Electron phi angle for sector 4 in CM frame 27 files cuts.gif Pion phi angle for sector 4 in CM frame 27 files cuts.gif Phi angle difference for sector 4 in CM frame 27 files after cor cuts.gif Phi angle difference for sector 4 in CM frame 27 files cuts.gif
5 Electron phi angle for sector 5 in CM frame 27 files cuts.gif Pion phi angle for sector 5 in CM frame 27 files cuts.gif Phi angle difference for sector 5 in CM frame 27 files after cor cuts.gif Phi angle difference for sector 5 in CM frame 27 files cuts.gif
6 Electron phi angle for sector 6 in CM frame 27 files cuts.gif Pion phi angle for sector 6 in CM frame 27 files cuts.gif Phi angle difference for sector 6 in CM frame 27 files after cor cuts.gif Phi angle difference for sector 6 in CM frame 27 files cuts.gif



Phi angle difference for ALL sectors in CM frame 27 files cuts.gif
Phi angle difference for ALL sectors in CM frame 27 files corrected cuts.gif
Phi angle difference fnot sure.gif

I used 27 files. The cut is applied on [math]1.6 \lt Q^{2} \lt 1.9[/math].

phi_angle_in_cm_frame_vs_electron_sector

Phi angle in cm frame vs electron sector 1 begin run 27074 27 files.gifPhi angle in cm frame vs electron sector 6 begin run 27074 27 files.gif

Phi angle in cm frame vs electron sector 2 begin run 27074 27 files.gif
Phi angle in cm frame vs electron sector 3 begin run 27074 27 files.gif Phi angle in cm frame vs electron sector 4 begin run 27074 27 files.gif
Phi angle in cm frame vs electron sector 5 begin run 27074 27 files.gif

phi_angle_in_cm_frame_vs_pion_sector

Phi angle in cm frame vs pion sector 1 begin run 27074 27 files.gif Phi angle in cm frame vs pion sector 2 begin run 27074 27 files.gif
Phi angle in cm frame vs pion sector 3 begin run 27074 27 files.gif Phi angle in cm frame vs pion sector 4 begin run 27074 27 files.gif
Phi angle in cm frame vs pion sector 5 begin run 27074 27 files.gif Phi angle in cm frame vs pion sector 6 begin run 27074 27 files.gif


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