Large Area Detectors Laboratory - June 8-12, 2015
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A. Mastroberardino, A. Policicchio, D.
Salvatore,
Marco Schioppa
and P. Turco
Particle Physics Experiments 1/3
08/06/15
UNICAL, LTL-2015
2
The smaller the object to investigate the larger the apparatus
to use: accelerators + detectors
n
λ
=
2
d
s
i
n
θ
Crystallography
Sub-Nuclear Physics
source
beam
target
detector
detector
beam
target
Particle Physics Experiments 1/2
08/06/15
UNICAL, LTL-2015
3
To take this kind of picture we need particle
detectors with the following characteristics
•
Radiation hard
•
High spatial resolution
•
Sensitivity to charge and neutral
particles
•
High time resolution
•
Low cost
Detectors
08/06/15
UNICAL, LTL-2015
4
T
r
i
g
g
e
r
Selection of the
interesting events
T
r
a
c
k
i
n
g
Pattern recognition and
reconstruction of the
particle track
Laboratory activity @ UNICAL 1/2
08/06/15
UNICAL, LTL-2015
5
1.
ATLAS upgrade
Design, prototyping and construction of
•
QAQC system with micrometers for the planarity of the drift
panels (+/- 20um) and for the height of the drift panel internal
frames (+/- 10um)
•
QAQC system for the panels gas tightness
•
Gas distribution system for the cosmic ray stand
•
Monitor and control system of the assembling procedures of the
micromegas chambers
•
ITK
An example: Micro Mesh Gas System
08/06/15
UNICAL, LTL-2015
6
Construction of
the Drift panel
Assembly scheme
Drift
ReadOut
QAQC test stand table for panels
4.5x9
4.5x4.5
FRONT VIEW
SIDE VIEW
PART 1
PART 2
Threaded rods
Threaded rods
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f
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4
5
x
9
0
c
m
08/06/15
UNICAL, LTL-2015
7
Drift/RO panel assembly into the vessel
SIDE VIEW
Vessel 2 is fixed to
table structure part 2
Vessel 2
Vessel 1
Table part 1
Table part 2
Drift or
RO panel
Vessel 1 is fixed to
table structure part 1
The two vessels and the
drift/RO panel are screwed
all together, as in the
chamber assembly. Here
the precision pins are not
necessary.
08/06/15
UNICAL, LTL-2015
8
Gas tight test services
SIDE VIEW
Vessel 1:
•
Differential pressure sensor
(HCLA12X5EU 0-75mbar)
•
Temperature sensor (LM35DZ)
•
Gas inlet
•
Gas outlet
Vessel 2:
•
Differential pressure sensor
(HCLA12X5EU 0-75mbar)
•
Temperature sensor (LM35DZ)
•
Gas inlet
•
Gas outlet
Common services:
•
Data acquisition system
(FieldPoint of NI)
•
Gas distributor
•
TermoHigroBarometer for
environment
08/06/15
UNICAL, LTL-2015
9
Gas tight panel test sequence
SIDE VIEW
Panel side 1:
1.
Connect the services (gas inlet
and outlet, differential pressure
sensor, temperature sensor) to
vessel 1
2.
Don’t
connect the services to
vessel 2 and leave them open
3.
Fill the vessel 1 with compressed
air, 5mbar over atmospheric
pressure
4.
Start recording the gas pressure
in vessel 1 over 10 h
Side 2
Side 1
Panel side 2:
1.
Disconnect the services (gas
inlet and outlet, differential
pressure sensor, temperature
sensor) to vessel 1 and leave
these halls open
2.
C
onnect the services to vessel
2
3.
Fill the vessel 2 with
compressed air, 5mbar over
atmospheric pressure
4.
Start recording the gas
pressure in vessel 2 over 10 h
Test duration:
•
two days for RO panel and for central D panel
•
one day for external D panel
08/06/15
UNICAL, LTL-2015
10
10
Laboratory activity @ UNICAL 2/2
08/06/15
UNICAL, LTL-2015
11
11
2.
KLOE2 upgrade
Design and construction of the cooling system of the
QCALT calorimeter and its monitor and control
Laboratory course
08/06/15
UNICAL, LTL-2015
12
12
Gaseous detector: RPC
•
Construction of a 24x60cm single gap chamber
•
Commissioning
•
Test with cosmic rays
A detailed overview of the Particle Physics Experiments and Laboratory Activities conducted at UNICAL in June 2015. The content includes information on detectors, laboratory setups, QAQC systems, gas distribution, and panel assembly for particle tracking.
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Presentation Transcript
LARGE AREA DETECTORS LABORATORY JUNE 8-12, 2015 A. Mastroberardino, A. Policicchio, D. Salvatore, Marco Schioppa and P. Turco
2 08/06/15 UNICAL, LTL-2015 Particle Physics Experiments 1/3 The smaller the object to investigate the larger the apparatus to use: accelerators + detectors Crystallography Sub-Nuclear Physics source beam target beam targetdetector detector n = 2dsin
3 08/06/15 UNICAL, LTL-2015 Particle Physics Experiments 1/2 To take this kind of picture we need particle detectors with the following characteristics Radiation hard High spatial resolution Sensitivity to charge and neutral particles High time resolution Low cost
4 08/06/15 UNICAL, LTL-2015 Detectors Position (resolution better than 100um) Energy Momentum Time of flight (resolution better than 1ns) Trigger Selection of the interesting events Tracking Pattern recognition and reconstruction of the particle track
5 08/06/15 UNICAL, LTL-2015 Laboratory activity @ UNICAL 1/2 1. ATLAS upgrade Design, prototyping and construction of QAQC system with micrometers for the planarity of the drift panels (+/- 20um) and for the height of the drift panel internal frames (+/- 10um) QAQC system for the panels gas tightness Gas distribution system for the cosmic ray stand Monitor and control system of the assembling procedures of the micromegas chambers ITK
6 08/06/15 UNICAL, LTL-2015 An example: Micro Mesh Gas System Construction of the Drift panel Assembly scheme Drift ReadOut
7 08/06/15 UNICAL, LTL-2015 QAQC test stand table for panels Bosh Rexroth Aluminum Profile 45x90cm Threaded rods PART 1 PART 2 4.5x4.5 4.5x9 Threaded rods FRONT VIEW SIDE VIEW
8 08/06/15 UNICAL, LTL-2015 Drift/RO panel assembly into the vessel Vessel 1 Vessel 2 Table part 1 Table part 2 Vessel 1 is fixed to table structure part 1 Vessel 2 is fixed to table structure part 2 Drift or RO panel The two vessels and the drift/RO panel are screwed all together, as in the chamber assembly. Here the precision pins are not necessary. SIDE VIEW
9 08/06/15 UNICAL, LTL-2015 Gas tight test services Vessel 1: Differential pressure sensor (HCLA12X5EU 0-75mbar) Temperature sensor (LM35DZ) Gas inlet Gas outlet Vessel 2: Differential pressure sensor (HCLA12X5EU 0-75mbar) Temperature sensor (LM35DZ) Gas inlet Gas outlet Common services: Data acquisition system (FieldPoint of NI) Gas distributor TermoHigroBarometer for environment SIDE VIEW
10 08/06/15 UNICAL, LTL-2015 Gas tight panel test sequence Panel side 2: 1. Disconnect the services (gas inlet and outlet, differential pressure sensor, temperature sensor) to vessel 1 and leave these halls open 2. Connect the services to vessel 2 3. Fill the vessel 2 with compressed air, 5mbar over atmospheric pressure 4. Start recording the gas pressure in vessel 2 over 10 h Side 1 Side 2 Panel side 1: 1. Connect the services (gas inlet and outlet, differential pressure sensor, temperature sensor) to vessel 1 2. Don t connect the services to vessel 2 and leave them open 3. Fill the vessel 1 with compressed air, 5mbar over atmospheric pressure 4. Start recording the gas pressure in vessel 1 over 10 h Test duration: two days for RO panel and for central D panel one day for external D panel SIDE VIEW
11 08/06/15 UNICAL, LTL-2015 Laboratory activity @ UNICAL 2/2 2. KLOE2 upgrade Design and construction of the cooling system of the QCALT calorimeter and its monitor and control
12 08/06/15 UNICAL, LTL-2015 Laboratory course Gaseous detector: RPC Construction of a 24x60cm single gap chamber Commissioning Test with cosmic rays
