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

From New IAC Wiki
Jump to navigation Jump to search
()
Line 127: Line 127:
  
 
== ==
 
== ==
 +
 +
[[Image:missing_mass_events_198333_neutron_is_required.gif|300px]]<br>
 +
 +
[[Image:M_x_neutron_is_required.gif|300px]][[Image:M_x_neutron_is_required.gif|300px]]
  
 
[[http://iac.isu.edu/mediawiki/index.php/Analysis Back to Analysis]]
 
[[http://iac.isu.edu/mediawiki/index.php/Analysis Back to Analysis]]

Revision as of 23:47, 1 July 2008

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

Electron Momentum vs EC_total

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

Missing Mass

Missing mass vs Q sqrd.gif Missing mass no cuts.gif

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

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


[1]

Phi lab [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


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

The phi angle after rotation and transformation to the CM frame

electron sector [math]\varphi_{e}^{CM}[/math] [math]\varphi_{pion}^{CM}[/math]
1 Electron phi angle for sector 1 in CM frame 27095.gif Pion phi angle for sector 1 in CM frame 27095.gif
2 Electron phi angle for sector 2 in CM frame 27095.gif Pion phi angle for sector 2 in CM frame 27095.gif
3 Electron phi angle for sector 3 in CM frame 27095.gif Pion phi angle for sector 3 in CM frame 27095.gif
4 Electron phi angle for sector 4 in CM frame 27095.gif Pion phi angle for sector 4 in CM frame 27095.gif
5 Electron phi angle for sector 5 in CM frame 27095.gif Pion phi angle for sector 5 in CM frame 27095.gif
6 Electron phi angle for sector 6 in CM frame 27095.gif Pion phi angle for sector 6 in CM frame 27095.gif


Correlation plots with[math]cos\theta_{pion}^{CM} , W[/math] , and [math] Q^2[/math]

The angle is (0, 360).

[math]cos\theta_{pion}^{CM}[/math] vs [math]\phi_{diff}^{CM}[/math] [math]W[/math] vs [math]\phi_{diff}^{CM}[/math] [math]Q^2[/math] vs [math]\phi_{diff}^{CM}[/math]
Pion cos theta in cm frame vs phi angle difference in cm frame with cuts.gif Missing mass vs phi angle cm frame.gif Q sqrd vs phi angle cm frame.gif



Same table as above but with the cut 1.0 < W < 1.5

[math]cos\theta_{pion}^{CM}[/math] vs [math]\phi_{diff}^{CM}[/math] [math]W[/math] vs [math]\phi_{diff}^{CM}[/math] [math]Q^2[/math] vs [math]\phi_{diff}^{CM}[/math]
Pion cos theta in cm frame vs phi angle difference in cm frame Wlt1.5.gif Missing mass vs phi angle cm frame Wlt1.5.gif Q sqrd vs phi angle cm frame Wlt1.5.gif


Same table as above but with the cuts 1.0 < W < 1.25 GeV , 20 MeV bins in W and 15 degree bins in [math]\phi[/math]

[math]cos\theta_{pion}^{CM}[/math] vs [math]\phi_{diff}^{CM}[/math] [math]W[/math] vs [math]\phi_{diff}^{CM}[/math] [math]Q^2[/math] vs [math]\phi_{diff}^{CM}[/math]
Pion cos theta in cm frame vs phi angle difference in cm frame Wlt1.3.gif Missing mass vs phi angle cm frame Wlt1.3.gif Q sqrd vs phi angle cm frame Wlt1.3.gif


Same table as above but with the cuts 1.0 < W < 1.5 GeV and -0.2 < [math]cos\theta_{pion}^{CM}[/math] < 0

[math]cos\theta_{pion}^{CM}[/math] vs [math]\phi_{diff}^{CM}[/math] [math]W[/math] vs [math]\phi_{diff}^{CM}[/math] [math]Q^2[/math] vs [math]\phi_{diff}^{CM}[/math]
Pion cos theta in cm frame vs phi angle difference in cm frame Wlt1.5 ct-0.1.gif Missing mass vs phi angle cm frame Wlt1.5 ct-0.1.gif Q sqrd vs phi angle cm frame Wlt1.5 ct-0.1.gif



Insert the same table as above but with the cuts 1.15 < W < 1.25 GeV and -0.1 < [math]cos\theta_{pion}^{CM}[/math] < 0, 20 MeV bins in W and 15 degree bins in [math]\phi[/math]
[math]cos\theta_{pion}^{CM}[/math] vs [math]\phi_{diff}^{CM}[/math] [math]W[/math] vs [math]\phi_{diff}^{CM}[/math] [math]Q^2[/math] vs [math]\phi_{diff}^{CM}[/math]
Pion cos theta in cm frame vs phi angle difference in cm frame Wlt1.2 ct-0.1.gif Missing mass vs phi angle cm frame Wlt1.2 ct-0.1.gif Q sqrd vs phi angle cm frame Wlt1.2 ct-0.1.gif


Insert the same table as above but with the cuts  W < 1.25 GeV and -0.1 < [math]cos\theta_{pion}^{CM}[/math] < 0, 20 MeV bins in W and 15 degree bins in [math]\phi[/math]
[math]cos\theta_{pion}^{CM}[/math] vs [math]\phi_{diff}^{CM}[/math] [math]W[/math] vs [math]\phi_{diff}^{CM}[/math] [math]Q^2[/math] vs [math]\phi_{diff}^{CM}[/math]
Pion cos theta in cm frame vs phi angle difference in cm frame Wlt1.25 ct-0.1.gif Missing mass vs phi angle cm frame Wlt1.25 ct-0.1.gif Q sqrd vs phi angle cm frame Wlt1.25 ct-0.1.gif



Pion phi angle for All sectors in CM frame 27095.gif

[2]

Missing mass events 198333 neutron is required.gif

M x neutron is required.gifM x neutron is required.gif

[Back to Analysis]