1. LARGE AREA DETECTORS LABORATORY JUNE 8-12, 2015 A. Mastroberardino, A. Policicchio, D. Salvatore, Marco Schioppa and P. Turco

2. Particle Physics Experiments 1/3 08/06/15UNICAL, LTL-2015 2 The smaller the object to investigate the larger the apparatus to use: accelerators + detectors nλ = 2dsinθ CrystallographySub-Nuclear Physics source beam target detector beam target

3. Particle Physics Experiments 1/2 08/06/15UNICAL, 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

4. Detectors 08/06/15UNICAL, LTL-2015 4 Trigger Selection of the interesting events Tracking Pattern recognition and reconstruction of the particle track

5. Laboratory activity @ UNICAL 1/2 08/06/15UNICAL, 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

6. An example: Micro Mesh Gas System 08/06/15UNICAL, LTL-2015 6 Construction of the Drift panel Assembly scheme Drift ReadOut

7. QAQC test stand table for panels 4.5x94.5x4.5 FRONT VIEWSIDE VIEW PART 1PART 2 Threaded rods Bosh Rexroth Aluminum Profile 45x90cm 08/06/15UNICAL, LTL-2015 7

8. Drift/RO panel assembly into the vessel SIDE VIEW Vessel 2 is fixed to table structure part 2 Vessel 2Vessel 1 Table part 1Table 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. 08/06/15UNICAL, LTL-2015 8

9. 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 08/06/15UNICAL, LTL-2015 9

10. 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 2Side 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.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 Test duration: two days for RO panel and for central D panel one day for external D panel 08/06/15UNICAL, LTL-2015 10

11. Laboratory activity @ UNICAL 2/2 08/06/15UNICAL, LTL-2015 11 2.KLOE2 upgrade Design and construction of the cooling system of the QCALT calorimeter and its monitor and control

12. Laboratory course 08/06/15UNICAL, LTL-2015 12 Gaseous detector: RPC Construction of a 24x60cm single gap chamber Commissioning Test with cosmic rays