Systematic Observation on Rear Leakage Correction
Different behavior observed between Data and Monte Carlo simulations in terms of rear leakage correction, with details on the lack of dependence on energy in initial approximations, comparisons between TB and MC data, fits and approximations at different energy levels, and systematic analysis of Cleak A. Images and graphs provide visual representation of the observations.
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Presentation Transcript
Systematic on Rear Leakage correction Observation : Different behaviour between Data & MC
Data TB 2007 / TB 2010 C_leak = A(E) Slope * F2 Slope : no dependance with E in first approximation
Erec/Ebeam With Approximate option F2
MC : 20 300 GeV Example of fits Erec/Etrue F2
Comparison TB/MC Compatible with flat for MC - Trend to drop with E with TB data - Flat or increasing for MC E_TB / Etrue (GeV)
TB2010 : A Fit with /without : Approximate option A currently calculated on event by event basis - Reflect the tendancy - Point at 300 GeV ? Current approximation of A(E) event per event
ISS Data Approximate Etrue with the energy of the integrated profile. Black/Red : 4 month data Grey/Orange : profile H Green : current guess of A per event
TB2010 : slope Etrue (GeV)
Systematics on Cleak A : - 2% Difference observed at 300 GeV (TB) Slope : + 15 % Change of slope in MC >> 2% @ 300 GeV 5% @ 1 TeV
