Difference between revisions of "Recoil proton reconstruction"

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* Eta missing mass
 
* Eta missing mass
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[[Image:p_eta_mis_mas.png | 220px]]

Revision as of 20:50, 1 October 2011

gamma p -> p eta decays

  • Recoil proton kinematics

P eta kin.png

  1. Proton polar angle versus proton momentum for generated events (top left)
  2. Momentum distributions for generated and reconstructed protons as a function of the p generated momentum (top right)
  3. Polar angle of reconstructed protons as a function of the proton generated momentum (middle left)
  4. Chisq/Ndof for reconstructed protons (middle right)
  5. Ndof distribution (bottom left)
  6. Ndof versus proton momentum (bottom right)


  • Proton momentum residuals

P eta presid no cut.png No cuts P eta presid chi10.png Chisq/Ndof < 10


  • Proton momentum resolution and reconstruction bias

P eta mom res.png


  • Polar angle residuals

P eta theta resid.png


  • Polar angle resolution

P eta theta res.png


  • Proton reconstruction efficiency

P eta rec eff.png


  • Eta missing mass

P eta mis mas.png

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