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

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==Phi_angle_in_CM_Frame for different W(missing mass) cuts==
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==cos_theta_pion_CM_Frame_vs_Phi_angle_in_CM_Frame for different W(missing mass) cuts==
  
  
 
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[[http://iac.isu.edu/mediawiki/index.php/Analysis Back to Analysis]]

Revision as of 23:36, 19 July 2008

EC_total, cosθCMpion vs ϕCMdiff, missing mass, θe vs ϕe

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

θLABe vs ϕLABe

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


[1]

Phi lab φLAB

The angle is (0, 360).


electron sector φLABe φLABpion φLABeφLABpion 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 φCM

The phi angle after rotation and transformation to the CM frame

electron sector φCMe φCMpion
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 withcosθCMpion,W , and Q2

The angle is (0, 360).

cosθCMpion vs ϕCMdiff W vs ϕCMdiff Q2 vs ϕCMdiff
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

cosθCMpion vs ϕCMdiff W vs ϕCMdiff Q2 vs ϕCMdiff
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 ϕ

cosθCMpion vs ϕCMdiff W vs ϕCMdiff Q2 vs ϕCMdiff
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 < cosθCMpion < 0

cosθCMpion vs ϕCMdiff W vs ϕCMdiff Q2 vs ϕCMdiff
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]
cosθCMpion vs ϕCMdiff W vs ϕCMdiff Q2 vs ϕCMdiff
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]
cosθCMpion vs ϕCMdiff W vs ϕCMdiff Q2 vs ϕCMdiff
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.gifM x neutron is required.gifM x neutron is required zoomed in.gif
Missing mass vs Q^2 neutron required.gifMissing mass vs Q^2 neutron required zoomed in.gif

Missing mass vs phi angle in cm frame neutron required.gifQ^2 vs phi angle in cm frame neutron required.gif

Cos theta cm pion vs phi angle in cm frame neutron required.gif

Phi_angle_in_CM_Frame for different cosθCMpion cuts

Used 1735 files. The following cuts are applied: 0.9<Mx<1.1, 1.1<W<1.5 and EC cuts.

Insert plot of M_x and W to show cuts

M x EC cuts 0-9 M x 1-1 1-1 W 1-5 1735 files.gifMissing Mass EC cuts 0-9 M x 1-1 1-1 W 1-5 1735 files.gif

Then insert phi -vs- theta

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

0.8<cosθCMpion<1 0.6<cosθCMpion<0.8 0.4<cosθCMpion<0.6 0.2<cosθCMpion<0.4 0<cosθCMpion<0.2
Phi angle in CM Frame cos theta 0-8 1.gif Phi angle in CM Frame cos theta 0-6 0-8.gif Phi angle in CM Frame cos theta 0-4 0-6.gif Phi angle in CM Frame cos theta 0-2 0-4.gif

Phi angle in CM Frame cos theta 0 0-2.gif



0.8>cosθCMpion>1 0.6>cosθCMpion>0.8 0.4>cosθCMpion>0.6 0.2>cosθCMpion>0.4 0>cosθCMpion>0.2
Phi angle in CM Frame cos theta -0-8 -1.gif Phi angle in CM Frame cos theta -0-6 -0-8.gif Phi angle in CM Frame cos theta -0-4 -0-6.gif Phi angle in CM Frame cos theta -0-2 -0-4.gif

Phi angle in CM Frame cos theta 0 -0-2.gif



1111.gif

Cuts: EC_inner>0.06, EC_tot/p>0.2, nphe>2.5, 0.9<Mx<1.1, 1.1<W<1.5 and 0.6<cosθCMpion<0.8.
[3] Phi angle cm frame vs rate two results compared cos theta 0-6 0-8.jpg


cos_theta_pion_CM_Frame_vs_Phi_angle_in_CM_Frame for different W(missing mass) cuts

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