The Forward Tagger for CLAS12 batta/jlab/FT-cmmssng_aug12.pdfآ  Forward Tagger Commissioning plan...

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Transcript of The Forward Tagger for CLAS12 batta/jlab/FT-cmmssng_aug12.pdfآ  Forward Tagger Commissioning plan...

  • M.Battaglieri - INFN GEForward Tagger Commissioning plan

    The Forward Tagger for CLAS12

    e-! *!

    CLAS12!

    p!

    e-! Forward! Tagger!

    1

    New system to detect electrons at small angle and perform quasi-real photo-production experiments

    Calorimeter (FT-Cal) electron energy/momentum Photon energy (ν=E-E') Polarization ε-1 ≈1 + ν2/2EE’ PbWO4 crystals with APD/SiPM readout

    Scintillation Hodoscope (FT-Hodo) veto for photons Scintillator tiles with WLS readout,…

    Tracker (FT-Trck) electron angles Polarization scattering plane MicroMegas detectors

    Moller  Shield

    Calorimeter

    Tracker

    Scin3lla3on  Hodoscope

    HTCC      Moller  cup

    GEMC  implementa.on

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    FT Commissioning plan

    Contact persons ✴ FT-Cal: M.Battaglier, R. De Vita ✴ FT-Hodo: D. Watts ✴ FT-Trck: F.Sabatie, S.Procureur ✴ FT-SW: D.Weygand + all above

    Commissioning plan 1) Quality assurance and system checkout 2) System checkout 3) Commissioning/Calibration with and w/o beam

    Crystals

    Light sensors

    LED monitoring system

    Cooling

    Read-out electronics

    Front-end electronics

    Slow-controls

    LED Monitoring

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    TEST # FT-Cal PbWO-II crystals

    PbWO crystals Measure the physical/optical properties (size, light yield, decay time, light transmission, radiation hardness, …)

    Special equipment The tests will be performed at the ACCOS facility at CERN

    DAQ Configuration and Trigger The facility has all the necessary electronics/daq/trigger

    Manpower and time needed The ACCOS facility tests 20 crystals at time, 100/day therefore we expect to operate the machine for 1 week, 2 people

    Software for analysis of results ACCOS produces automatically the results

    Computing resources No need of computer resources

    Information to be saved in the database Some information will be saved in the DB: size, LY, light transmission, radiation hardness, decay time

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check TEST # FT-Cal PbWO-II crystals

    ACCOS @ CERN

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    TEST # FT-Cal light sensors

    Large Area APD Measure the properties of the light sensors at fixed T (visual inspection, gain%V, linearity, dark current, dead areas …)

    Special equipment The tests will be performed in Genova using laser and LED sources

    DAQ Configuration and Trigger The daq will be custom, optimize to the necessary tests

    Manpower and time needed 3months, 1 person

    Software for analysis of results Custom system

    Computing resources No need of computer resources

    Information to be saved in the database dG/dV, dG/dT, QE, dark current

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    ApdGainTB @ Genova

    TEST # FT-Cal light sensors

    Dark current

    APD gain

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    TEST # FT-Cal fe electronics

    Preamplifiers Measure the properties of preamplifiers for APD/SiPM readout: gain, output signal shape for reference pulse, noise and motherboard

    Special equipment The tests will be performed in Orsay (and Genova) using local test bench

    DAQ Configuration and Trigger NA

    Manpower and time needed 1month, 1 person

    Software for analysis of results NA

    Computing resources NA

    Information to be saved in the database Gain, Trise, Tfall, noise RMS

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    FT-Orsay preampTB @ Orsay

    TEST # FT-Cal fe electronics

    Signal shape

    RMS noise

    Linearity

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    TEST # FT-Cal cooling system

    Thermal shield, FT-Cal vessel, chiller and pipes Test of cooling system including pipe and vessel tightness, T uniformity, cooling power

    Special equipment The tests will be performed in Genova using local test bench DAQ Configuration and Trigger

    NA Manpower and time needed

    2 weeks, 1 person Software for analysis of results

    NA Computing resources

    NA Information to be saved in the database Temperatures should be store during data tacking

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    ChillerTB @ Genova

    TEST # FT-Cal cooling system

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    TEST # FT-Cal RO electronics

    fADC, splitters, discriminator, TDC Test of the whole RO chain from the preamp to the stored data: proper functioning of each board and channel: ADC and TDC conversion factors, charge/ time linearity, Discriminator minimum threshold

    Special equipment The tests will be performed at JLab/Genova using the local electronic test benches

    DAQ Configuration and Trigger ?

    Manpower and time needed ?

    Software for analysis of results NA

    Computing resources NA

    Information to be saved in the database ADC conversion function, TDC conversion function, Discriminator minimum threshold

    TEST # FT-Cal Slow controls HV for light sensors bias and LV for preamps, motherboards

    Test functionality of crates and boards and power/signals distribution Special equipment

    The tests will be performed in Genova using the local electronic TB DAQ Configuration and Trigger

    NA Manpower and time needed

    1 week 1person Software for analysis of results

    HV and LV monitoring system Computing resources

    NA Information to be saved in the database

    LV, dead channels

    TEST # FT-Cal cables HV, LV, signal cables

    Test of the functionality of all connection cables Special equipment

    The tests will be performed in Genova using the local electronic TB DAQ Configuration and Trigger

    NA Manpower and time needed

    1 week 1person Software for analysis of results

    NV Computing resources NA Information to be saved in the database: NA

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    CODA-12 @ Genova

    TEST # FT-Cal RO electronics and slow controls

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    TEST # FT-Cal monitoring

    LED system to monitor gain matching, linearity, light transmission Test of the functionality of the system, individual LED calibration, light output

    Special equipment The tests will be performed in Genova using the local electronic test benches

    DAQ Configuration and Trigger NA

    Manpower and time needed 1 week 1person

    Software for analysis of results Dedicated software to control the system and analyze the results that will be integrated in standard CLAS12 DAQ

    Computing resources NA

    Information to be saved in the database Individual LED light output

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    1) Quality assurance system check

    LEDmonitoring @ Genova

    TEST # FT-Cal monitoring

  • Forward Tagger Commissioning plan M.Battaglieri - INFN GE

    2) System checkout (Genova and JLab)

    TEST # FT-Cal checkout 1

    Full checkout of the whole FT-Cal subsystem Test of the full assembled calorimeter: -

    Vacuum tightness -

    Cooling and T stability -

    HV check for individual channels, LV check, cabling check -

    Light transmission and signal output for individual channel using

    the light monitoring system (presence of signal, linearity tests) -

    Cross-talk between crystals

    Special equipment The tests will be performed first in Genova and then repeated before installation in CLAS12

    DAQ Configuration and Trigger DAQ bench test Genova / DAQ bench test JLab

    Manpower and time needed 1 week 1person (x2) + space for JLab tests

    Software for analysis of results Local CODA installation

    Computing resources INFN-GE CODA setup for tests in Genova and JLab

    Information to be saved in the database NA

    TEST # FT-Cal checkout 2 – Cosmic rays

    Full checkout of the FT-Cal using stand-alone cosmic ray setup

    Measure the FT-Cal response to cosmic ray for (individually) -

    gain matching -

    absolute light output -

    relative timing

    Special equipment The tests will be performed first in Genova and then repeated before installation in CLAS12

    DAQ Configuration and Trigger DAQ bench test Genova / DAQ bench test JLab

    Manpower and time needed 1 week 1person (x2) + space for JLab tests

    Software for analysis of results Local CODA installation + dedicated monitoring tools

    Computing resources INFN-GE CODA setup for tests in Genova and JLab

    Information to be saved in the database NA