Transcript ppt

Two towers report (Update)
•Studies for ToT distribution when the TKR is
read out by left (135002103) or right
(135002057) cables only.
Baseline run (135002052) is used by reference
Monica Brigida
Nico Giglietto
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Events selection
 Events triggered by TKR in Tower0
 Cut1 = GemTkrVector[0] ==1 && GemTkrVector[4] ==0 &&
GemCondWord ==2 (< 50% of events selected)
 Cut2 = Cut1 && TkrNumTracks == 1 (40% of events selected)
 To select MIPs we used the CalMIPRatio variable from merit root
files
 Cut3 = Cut2 && (CalMIPRatio <1.3 && CalMIPRatio >0.6)
&& CalNumHit[4]==0 (10% of events selected)
 Normal tracks selected
 Cut4 = Cut3 && VtxZDir < -0.95 (3%of events selected)
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Average ToT
per layer
(error bar = RMS)
bay 0
baseline
Left/Right run
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Average ToT per
layer
(Bay 0)
baseline
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Average ToT per layer (Bay 4)
(error bar = RMS)
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Average ToT per layer (Bay 4)
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ToT selection
 We selected single hit strips per layer
 We assigned the ToT value of the layer to
selected hit strips
 We made an average ToT map (ToT vs strip)
layer by layer
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Average ToT Map per layers
(bottom – bay0)
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Average ToT Map per layers
(center – bay0)
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Average ToT Map per layers
(top – bay0)
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ToT Map in Layer 15
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