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Hardware : * Full Scale prototype - in preparation to be put in work position at COMPASS,

G.Alexeev for Dubna group ITEP , April 28 , 2010 Muon System Status Report from Dubna. Hardware : * Full Scale prototype - in preparation to be put in work position at COMPASS, expected start of long strips r/o studies – May-June 2010

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Hardware : * Full Scale prototype - in preparation to be put in work position at COMPASS,

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  1. G.Alexeev for Dubna group ITEP, April 28, 2010Muon System Status Report from Dubna Hardware : * Full Scale prototype - in preparation to be put in work position at COMPASS, expected start of long strips r/o studies – May-June 2010 *Range System prototype (degree of readiness) : - steel absorber /structure ~ 95% (Fe plates 100% ready -> to be welded) - MDT detectors ~ 50 % (all parts 100% ready, 10% of MDTs assembled) - strip boards, cables ~ few % (to be produced by summer 2010) - f/e electronics ~ few % (design 100% ready, mass production required) ( see report of A.Piskun) Software : * Acceptance studies for DY and J/muon pairs (see report of V.Rodionov)

  2. Full Scale prototype mechanically assembled and stored in COMPASS area (park position)It is now being equipped with HV,LV, gas lines, strip boards, f/e electronics and tested before the start of COMPASS run

  3. Full Scale prototype position in COMPASS area. The prototype should be fixed at this point in May 2010 F S prototype position COMPASS MF2

  4. Wiring of MDT detectors

  5. Wiring machine for MDT detectors

  6. Assembled MDTs (in black envelops) and profiles prepared for wiring

  7. DAQ VME crate 9U VME crate 6U VME crate 6U COMPASS CATCH Hot link cables MWDB units to DAQ crate AAlexander.NagaytWIRE R/O analog & digital sev@cern.ch ander.Nagaytsev@cern.ch STRIP R/O digital RW-TDC QTC–16 ADB-32 (A-32) analog ASum-96 digital A2DB-32 Range System Prototype Read Out Scheme

  8. Geometrical acceptance study of muon system in case of: full PANDA setup (material) Pythia as event generator (40K DY events) + PandaRoot. Option: with/without magnetic field in Solenoid/Dipole. Polar angle distribution of DY photons.

  9. Plans for 2010: * FS prototype : -finish full assembly (HV, LV, cabling, gas lines, f/e electronics etc) - start running (r/o test with long 2-4 m strips) in summer 2010 - study of wave impedance for strip r/o * RS prototype : - finish production (300 MDTs, absorber structure, strip boards, cables etc) - produce and test f/e electronics (292 boards of different types) - move to CERN - assemble (at COMPASS) and test with cosmic (debugging) - start running in late autumn 2010 at PS (subject to available resources) * Software development in PANDAroot : - finishacceptance studies for muons (DY, J/ , D-mesons) with high statistics - track finding algorithms formuons in Range System (together with Torino/INFN group) - pattern recognition algorithms –muons vs hadrons (together with Torino/INFN group)

  10. Backup slides

  11. G10 fiberglass strip board (1cm wide strips) at CERN/COMPASS

  12. Strip R/O from RS Prototype A-32 preamp. card Fe absorber plate MDTs strip (1cm) board

  13. RS prototype absorber plates manufactured in Dubna

  14. RS prototype absorber structure/frame

  15. RS prototype assembly process (start)

  16. RS prototype assembly process (close to finish)

  17. RS prototype assembly finished ( 60mm plates – black, 30mm plates – blue )

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