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NEWAGE electronics upgrade & QPIX

NEWAGE electronics upgrade & QPIX. with A. Sugiyama (Saga University) M. Tanaka (KEK), Matsuzawa, Vu Minh Khoa, M. Miyahara , T. Kurashina (Tokyo Institute of Technology). Kentaro Miuchi (Kyoto University). OUTLINE. Scaling-up issues Current electronics upgrade QPIX Discussions.

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NEWAGE electronics upgrade & QPIX

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  1. NEWAGEelectronicsupgrade&QPIX with A.Sugiyama(SagaUniversity) M.Tanaka(KEK), Matsuzawa, Vu Minh Khoa,M.Miyahara , T. Kurashina(Tokyo Institute of Technology) Kentaro Miuchi (Kyoto University)

  2. OUTLINE Scaling-upissues Currentelectronicsupgrade QPIX Discussions

  3. Scaling-up

  4. ← μ-PICupgrades expectedsensitivities ← QPIX 0.3m3year 3m3year • Scaling-up:HOWLARGE? • 1stmilestone:1m3O(100g) • readoutpitch • head-tailrecognition • (background) • Goal:100m3 O(10kg) • COST!!!

  5. TPC TPC X readout（768ch） GEM(×10) Y readout（768ch） m-PIC (×5000) FAGA position encoder（1536ch） μPIC • m-PIC (30*30cm2) • Gas amplification + readout • 400mm pitch • 768+768 readouts • NEWAGE-0.3aSYSTEM

  6. ASD ENCODER • Readout electronics TPC system • ANALOG : energy • 768 cathode –sum--> 4ch • DIGITAL : Tracking • 768 anode + 768 cathode • Digital (LVDS) signals at ASD • (X,Y)coincidenceat the position encoder • 100MHz pipeline

  7. 1500chfeedthrough • feedthrough board • everythingisoutofthevessel • easy to maintain • keep the gas purity 256ch feedthrough board TPC volume O-ring board O-ring July24, 2007 Cygnus07

  8. Electronics(FPGAcode)upgrade ① upgradever.① recordallXorYedges offline(software)loosecoincidence realelectrontracks(test) currentupgrade① thershold X Y recorded currentver. recorded X Y NOTrecorded recorded upgradever.① clock Upgradever①　wouldimprove gamma-rejection angularresolution • 100MHｚ istoofast… • X-Ycoincidencein10ns • time-walkproblems • online(FPGA)coincidence　⇒ 　offline(software)loosecoincidence

  9. Electronics(FPGAcode)upgrade ② upgradever. ② recordallX-orY-,posornegedges realalphatracks(test) upgrade①　　upgrade②　 thershold X Y (X,T1) (Y,T1) upgrade② (X,T1,1) (Y,T1,1) (X,T3,0) (Y,T3,0) (X,T1) (Y,T2) X Y (X,T1,1) (Y,T1,1) (X,T3,0) (Y,T2,0) clock Upgradever②　wouldimprove head-tailrecognition • TOT （timeoverthreshold）

  10. QPIX

  11. PixelreadoutASICforMPGD • finepitch(Micro-patterned…) • reliabletechnology • #ofchannel • ~100~10000 • MWPC+discreteelectronics • MPGD • onASIC • MPGD • connector,cableASIC • TrendofGasTrackingDevice

  12. tomeasureTOT,TOF TOF（TimeofFlight） TOT（TimeOverThreshold） • TIMEPIX • CERN+MEDIPIXconsortium

  13. TIMEPIX(continued) • Howtouse

  14. 14bit 8bit 6bit • QPIXdevelopmentinJapan • KEK +Kyoto(NEWAGE)+SAGA(LinearCollider) • TomeasureTOF,TOT,Charge

  15. WHY TOT+charge? • trackdirectiondependence • longiutualdiffusion~0.1mm/√cm shortdrifttracks longdrifttracks E differentTOT（blue） samecharge（red） Track afterdiffusion TOT+ADCisessentialtoknowtheshapeoftheelectroncloud wouldhelptoknowZ

  16. CURRENTSTATUS • 1stprototype(16ch)wasmade • electrictestcompleted • preparingforGEM+QPIXtest

  17. gasdetectorPADs SiTCP TCP/IPinterfaceFPGA Qpix NEXTver.shouldhavePADsonQPIX. • CURRENTSTATUS • preparingforGEM+QPIXtest

  18. DISCUSSION

  19. CURRENTver.$30,000/1500ch reasonablecost-downshouldwork ← μ-PIC+QPIXlikeASIC ← QPIX+postprocessMPGD feasibilitystudyinacoupleofyears • Scaling-up:HOWMUCH? • 1stmilestone1m25000ch • Tocover>100m2 • COSTMATTERS • 400mmpitch~1e6chbystripreadout ～1e12chbypixelreadout

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