Readout principle
description
Transcript of Readout principle
Readout principle
Time
Drift direction
Edrift
• Continuously sensitive
• Self-triggering
Equiv. input charge due to noise:
Equiv. input charge due to noise:Qnoise= 350+2.5×Cinput[pF]( ) electrons
Cooling systemCooling panels
Commercial Insulation
LN2 pumps
Two LN2 circulation pumps, max speed 24 m3/hr, max head 5 bar
Drawing pannel
Run 975, Event 15 Collection Left
395 cm
174 cm
Multiple Shower
14 m
153 cm
Run 975, Event 143 Collection Left
Multiple muons + multiple showers
Run 975, Event 146 Collection Right
920 cm
185 cm
16,4 m
Run 975, Event 133 Collection Right
174 cm
Run 975, Event 157 Collection Right
706 cm
170 cm
Big Shower
Run 961, Event 16 Collection Right
176 cm
434 cm
158 MeV
752 MeV
= 141o
Minv = 650 MeV
Run 975, Event 151
Minv =140 MeV
Collection view
Pi zero candidate (preliminary)
= 25o
140 MeV
•Reconstruction of -showers
(error evalulation in progress)
Detector’s performance (cont.)K+[AB]→ μ+[BC]→ e+[CD]
Collection view
Run 939 Event 95
Induction 2 view
A
B
C
DK+
µ+
e+A
A
B
B
C
C
μ+[AB]→ e+[BC]
AB
BC
K+
µ+
Run 939 Event 46
Particle identification by characteristic decay (µ+,µ-,K+,K-, Ko)Particle identification by characteristic decay (µ+,µ-,K+,K-, Ko)
µ+
e+
µ+
e+
Induction 2 view
Collection view
Box dimensions: 42 x 14 x14 cm
Eereconstructed= 45 MeV
Run 939Event 95