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Setup for routine testing of SuperNEMO scintillators in Prague

This document discusses the setup for routine testing of SuperNEMO scintillators in Prague, presented at the NEMO3/SuperNEMO collaboration meeting. It includes details of the black box, XY table, functionality tests, scintillator response, and future plans.

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Setup for routine testing of SuperNEMO scintillators in Prague

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  1. Setup for routine testing of SuperNEMO scintillators in Prague NEMO3 and SuperNEMO Collaboration Meeting in Prague Aivaras Žukauskas, Charles University in Prague 27.01.2009, Prague

  2. NEMO3/SuperNEMO collaboration meeting, Prague Motivation Black box XY table, main parameters Functionality test Scintillator's response vs irradiation position Summary and plans Overview / 10

  3. NEMO3/SuperNEMO collaboration meeting, Prague Routine tests of big amount of scintillators should be shared among several laboratories Prague will participate in the tests Details of a testing procedure are not decided yet Some setups already exist (Bordeaux, Dubna, ...) Proposal of F.Piquemal for „multibox setup“ Plan – setup in IEAP CTU Prague Prototype setup in IPNP CU Prague Motivation / 10

  4. NEMO3/SuperNEMO collaboration meeting, Prague Black box • Steel black box, 100 x 130 x 130 cm • XY table easily fits inside • enough space for testing bigger scintillators • Aluminum bottom • window 40x40 cm for electrons outcomming from spectrometer • Supporting structure • prepared to carry the XY table with spectrometer • movable on wheels / 10

  5. NEMO3/SuperNEMO collaboration meeting, Prague XY table, main parameters • Range (max.): 40x40 cm • Step = 25 m • Velocity: 38 cm/min • Load: designed for 100 kg, tested: 35 kg • Operating: serial port PC / 10

  6. NEMO3/SuperNEMO collaboration meeting, Prague Y X Functionality test PMT Spectrometer amplifier PC / 10

  7. NEMO3/SuperNEMO collaboration meeting, Prague Functionality test: arrangement PMT 3" Photonis XP5312 Scintillator 50x50x20 mm, teflon wrapping, Al mylar entrance Fixed Movable Al filter, 3 mm Pb collimator, 10mm, 45x80x80 mm XY movable 207Bi source, 160 kBq / 10

  8. NEMO3/SuperNEMO collaboration meeting, Prague Pb collimator with Al filter / 10

  9. NEMO3/SuperNEMO collaboration meeting, Prague Scintillator response vs irradiation position Peak position, ADC Scintillator position scan Irradiated area 11.6 mm FWHM @ 1 MeV, % 91.5 88.6 85.5 20 mm 20 mm 11.8 13.8 14.1 87.3 88.7 91.9 13.9 12.7 11.5 89.9 90.6 92.5 13.7 11.9 12.5

  10. NEMO3/SuperNEMO collaboration meeting, Prague The prototype for routine scintillator tests is built and tested. XY table is functioning well with the load of 35 kg. We are prepared to read and analyze data (work is in progress). Prototype will be equipped with 90Sr/90Y source (spectrometer); New testing setup will be built at IEAP CTU based on our experience with the prototype, Bordeaux, Dubna, … Summary and plans / 10

  11. NEMO3/SuperNEMO collaboration meeting, Prague Backup slides

  12. NEMO3/SuperNEMO collaboration meeting, Prague PMT, electronics • Photonis PMT • XP5312B (3")‏ • XP3540B (5")‏ • Voltage splitter • VD202K/01 • ORTEC ScintiPack • ADC – PC card

  13. NEMO3/SuperNEMO collaboration meeting, Prague Polystyrene, Dubna 50x50x20 mm hexagon with diameter 100 mm, 20 mm thick Scintillators 100 mm

  14. NEMO3/SuperNEMO collaboration meeting, Prague XY table, components • MICROCON • 2x step motor • 2x controller • 1x power supply • operating software • GLEICH – Al desks • 70x70x2 cm • 70x30x2 cm • 30x30x2 cm • HIWIN • 4x rails, 700 mm • 8x carts • 2x screwed rods, 590 mm • bearings etc.

  15. NEMO3/SuperNEMO collaboration meeting, Prague Steel construction, 100 x 130 x 130 cm XY table easily fits inside a lot of space for testing bigger scintillators Supporting structure is able to carry the spectrometer and XY table is on wheels – enables to move the black box easily Thin aluminum bottom (xx mm)‏ Black box

  16. NEMO3/SuperNEMO collaboration meeting, Prague Double Gaussian fit

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