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ORFEOv6r3. This data MC comparison was made with the last version of ORFEO.

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ORFEOv6r3

This data MC comparison was made with the last version of ORFEO.

Here a new version of the smearing tool is implemented, this is based on the position smearing in the 3 directions: X,Y,Z of the 2 end points of the microtrack. In such a way the basetrack smearing of the slopes is obtained for free. In addiction, with this technique, the smearing ellipse in the Tx:Ty plane has main axes in the longitudinal and transversal direction, as seen in the data.

10. GeV muons


Efficienze

dal brick vuoto

esposto ai cosmici

Efficienza ufficiali

Efficienze

Eff no lead MC pions

Eff lead MC pions


Electrons 6 gev
Electrons 6 GeV

  • The events were generated with OpRoot

  • The smearing parameters are: Sx=0.4 micron, Sy=0.25 micron, Sz=2.5 micron. (these value were obtained with a tooning on the data)


TRIGGER

data

MC


Slopes resolution

(Tmicro-Tbase)

data

MC


eCHI2P vs PH

This is the results of the micro slopes resolution simulation (eCHI2P) and of the micro pulse height parametrization (bt PH)

MC

Dati

bg rejected


Bt angle resolution

Bin(i-1)=T(i)-T(1), i>1

MC

Dati



Number of segments followed without propagation

(strongly related to micro track efficiencies)

Eff. As measured in

Empty brick

(only cosmics exposition)

Dati

MC without

Efficiencies micro track rejection

MC+eff.


MC: no correlation between

Micro tracks momentum

and pulse height

by construction

Data


Pions 4 gev
Pions 4 GeV

  • The events were generated with OpRoot

  • The smearing parameters are: Sx=0.25 micron, Sy=0.25 micron, Sz=2.5 micron. (these value are the same used for all the “official” productions)


TRIGGER

data

MC


Slopes resolution

(Tmicro-Tbase)

data

MC


eCHI2P vs PH

This is the results of the micro slopes resolution simulation (eCHI2P) and of the micro pulse height parametrization (bt PH)

MC

Dati

bg rejected


Bt angle resolution

Bin(i-1)=T(i)-T(1), i>1

MC

Dati



Number of segments followed without propagation

(strongly related to micro track efficiencies)

Dati

MC+eff.

Assuming eff.=84.%

(84.% at theta<0.1mrad measured data)


MC: no correlation between

Micro tracks momentum

and pulse height

by construction

Data


Transversal and

longitudinal resolution

for simulated

10.GeV pions at 0.7 mrad


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