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Dirc+TOF [message #7178 is a reply to message #7145] Wed, 06 August 2008 12:02 Go to previous messageGo to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
first-grade participant

From: *physik.uni-giessen.de
Here you are the plot of Theta Cherenkov vs reconstructed momentum, using the lhetrack tracking+correlation, 1000 events with DPM at 4 GeV/c:

index.php?t=getfile&id=4667&private=0

It looks quite good, the theta_Cherenkov is smeared inside the DrcHitProducerIdeal (thanks to Annalisa). The two shapes are due to pions and protons... it seems in DPM there are no kaons!

Meanwhile I have also put the correct track lenght to the TOF detector, in order to calculate beta:

index.php?t=getfile&id=4668&private=0

Even this plot looks quite nice.
 
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