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Tracker Status ReportTracker Status Report

4 Station Prototype4 Station Prototype

SoftwareSoftware

AFEII work at FermilabAFEII work at Fermilab

Calibration and cosmic ray test at FermilabCalibration and cosmic ray test at Fermilab

Setup at KEKSetup at KEK

PlansPlans

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4 Station Prototype4 Station Prototype

New station built to revised design:New station built to revised design:– 427 427 m fibre pitchm fibre pitch– Improved optical connectorsImproved optical connectors– Internal waveguide for patch panelInternal waveguide for patch panel

Original three stations and new station Original three stations and new station assembled into a new tracker at Imperial.assembled into a new tracker at Imperial.CMM measurements made of station CMM measurements made of station position before tracker was made light-position before tracker was made light-tight and shipped to Fermilab.tight and shipped to Fermilab.

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SoftwareSoftware

DAQDAQ– UniDAQ used for KEK test. ADCs and TDCs read out UniDAQ used for KEK test. ADCs and TDCs read out

in the same manner as for the May test.in the same manner as for the May test.– Code to read out VLSB modules originally developed Code to read out VLSB modules originally developed

as a standalone application, now being imported into as a standalone application, now being imported into UniDAQUniDAQ

AnalysisAnalysis– G4MICE being used for all analysisG4MICE being used for all analysis– Preparation of monitoring application underway.Preparation of monitoring application underway.– More detail in talks at Tracker/DAQ and software More detail in talks at Tracker/DAQ and software

meetings.meetings.

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AFEII WorkAFEII Work

AFEII prototype boards have been AFEII prototype boards have been developed and tested at Fermilab.developed and tested at Fermilab.Improved design beyond AFEI (currently Improved design beyond AFEI (currently used by D0) and a step along the path used by D0) and a step along the path towards AFEII-t.towards AFEII-t.Successfully operated four AFE boards Successfully operated four AFE boards (2048 channels) in a MICE cryostat at D0 (2048 channels) in a MICE cryostat at D0 performing calibrations and recording performing calibrations and recording cosmic ray events from the tracker.cosmic ray events from the tracker.

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Fermilab SetupFermilab Setup

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Calibration and Cosmic RaysCalibration and Cosmic Rays

Calibration performed using an LED.Calibration performed using an LED.Can control duration of pulse and intensity Can control duration of pulse and intensity to produce a sample with pedestal and to produce a sample with pedestal and one and two PE peaks or increase light to one and two PE peaks or increase light to look at many PE.look at many PE.After calibration, the tracker was After calibration, the tracker was connected to the VLPC cassettes and connected to the VLPC cassettes and 3606 cosmic ray triggers were recorded.3606 cosmic ray triggers were recorded.This data is still being analysed.This data is still being analysed.

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VLPC/AFE PerformanceVLPC/AFE Performance

Reconstructed with G4MICE

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Setup at KEKSetup at KEK

Cryostat, Tracker, etc have been shipped Cryostat, Tracker, etc have been shipped to KEK and setup there.to KEK and setup there.Cryostat/Cryocooler is performing well.Cryostat/Cryocooler is performing well.Avnet board has failed and is being Avnet board has failed and is being returned to Fermilab for repairs. We have returned to Fermilab for repairs. We have two spares, so this will not cause any two spares, so this will not cause any problem.problem.Spare AFEII boards and other equipment Spare AFEII boards and other equipment will be sent to KEK with D0 experts.will be sent to KEK with D0 experts.

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PlansPlans

2121stst September September– Place BESS magnet in areaPlace BESS magnet in area– Tracker/VLPC system installedTracker/VLPC system installed

2727thth September September– Accelerator tuningAccelerator tuning– D0 experts arrive and complete testing and setup of D0 experts arrive and complete testing and setup of

VLPC systemVLPC system

3030thth September September– Planned start of good beam.Planned start of good beam.– May be delayed by 3 or 4 days.May be delayed by 3 or 4 days.– We have 20 shifts (8 hours each) from the start of We have 20 shifts (8 hours each) from the start of

good beam.good beam.