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

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slide1

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)
slide4

TRIGGER

data

MC

slide5

Slopes resolution

(Tmicro-Tbase)

data

MC

slide6

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

slide7

Bt angle resolution

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

MC

Dati

slide9

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.

slide10

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)
slide12

TRIGGER

data

MC

slide13

Slopes resolution

(Tmicro-Tbase)

data

MC

slide14

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

slide15

Bt angle resolution

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

MC

Dati

slide17

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)

slide18

MC: no correlation between

Micro tracks momentum

and pulse height

by construction

Data

slide19

Transversal and

longitudinal resolution

for simulated

10.GeV pions at 0.7 mrad

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