Phi angle in CM frame for different runs: Difference between revisions

From New IAC Wiki
Jump to navigation Jump to search
Oborn (talk | contribs)
Oborn (talk | contribs)
Line 70: Line 70:




  Dr. Forest, I have applied the cut only on <math>cos\theta_{pion}^{CM}</math>: 0.4 < <math>cos\theta_{pion}^{CM}</math> < 0.6.(I know it does not look as good as it should be.)<br>
  Dr. Forest, I have applied the cut only on <math>cos\theta_{pion}^{CM}</math>: 0.4 < <math>cos\theta_{pion}^{CM}</math> < 0.6.(I know it does not look as good as it should be.(0.5 < <math>cos\theta_{pion}^{CM}</math> < 0.6 ))<br>


  [[Image:phi_angle_diff_in_cm_frame_cut_on_costheta_0_4-0_6.gif|500px]]
  [[Image:phi_angle_diff_in_cm_frame_cut_on_costheta_0_4-0_6.gif|500px]]

Revision as of 01:39, 25 June 2008

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

Electron Momentum vs EC_total


Missing Mass

[math]\displaystyle{ \theta_{e}^{LAB} }[/math] vs [math]\displaystyle{ \phi_{e}^{LAB} }[/math]



[1]

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

The angle is (0, 360).


electron sector [math]\displaystyle{ \varphi_{e}^{LAB} }[/math] [math]\displaystyle{ \varphi_{pion}^{LAB} }[/math] [math]\displaystyle{ \varphi_{e}^{LAB} - \varphi_{pion}^{LAB} }[/math] after correction
1
2
3
4
5
6


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

The angle is (0, 360).

[math]\displaystyle{ cos\theta_{pion}^{CM} }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math] [math]\displaystyle{ W }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math] [math]\displaystyle{ Q^2 }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math]



Insert the same table as above but with the cut  1.0 < W < 1.5
[math]\displaystyle{ cos\theta_{pion}^{CM} }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math] [math]\displaystyle{ W }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math] [math]\displaystyle{ Q^2 }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math]


Insert the same table as above but with the cuts 1.0 < W < 1.5 GeV and -0.2 < [math]\displaystyle{ cos\theta_{pion}^{CM} }[/math] < 0
[math]\displaystyle{ cos\theta_{pion}^{CM} }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math] [math]\displaystyle{ W }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math] [math]\displaystyle{ Q^2 }[/math] vs [math]\displaystyle{ \phi_{diff}^{CM} }[/math]



Dr. Forest, I have applied the cut only on [math]\displaystyle{ cos\theta_{pion}^{CM} }[/math]: 0.4 < [math]\displaystyle{ cos\theta_{pion}^{CM} }[/math] < 0.6.(I know it does not look as good as it should be.(0.5 < [math]\displaystyle{ cos\theta_{pion}^{CM} }[/math] < 0.6 ))



electron sector [math]\displaystyle{ \varphi_{e}^{CM} }[/math] [math]\displaystyle{ \varphi_{pion}^{CM} }[/math]
1
2
3
4
5
6




[Back to Analysis]