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Vertex Detector Options and R&D Requirements

Vertex Detector Options and R&D Requirements. RHIC DAC Meeting December 19, 2002 Yuji Goto (RIKEN/RBRC). Outline – R&D items. Barrel strip detector strip sensor strip sensor readout / interface with PHENIX Barrel pixel detector hybrid pixel / readout /interface with PHENIX

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Vertex Detector Options and R&D Requirements

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  1. Vertex Detector Options and R&D Requirements RHIC DAC Meeting December 19, 2002 Yuji Goto (RIKEN/RBRC)

  2. Outline – R&D items • Barrel strip detector • strip sensor • strip sensor readout / interface with PHENIX • Barrel pixel detector • hybrid pixel / readout /interface with PHENIX • bump bonding / thinning • monolithic pixel • Endcap pixel detector • Support frame Yuji Goto (RIKEN/RBRC)

  3. u u x x Strip sensor • Technical options • Zheng Li’s sensor or other sensors • R&D • telescope with VA2 readout chip and its beam test ongoing • cooling study • Manpower • institutional contribution • BNL instrumentation • RIKEN / Kyoto U. Yuji Goto (RIKEN/RBRC)

  4. Strip sensor telescope with VA2 readout Z. Li, Inst. Div., BNL Yuji Goto (RIKEN/RBRC)

  5. Strip sensor readout / Interface with PHENIX • Technical options • readout chip • SVX4 (preamp + digitized pipeline) • MVD-TGV+AMU/ADC recut • R&D • mismatch of Zheng Li’s sensor (DC coupling) and SVX4 (AC coupling) • accumulation of leakage current – frequent reset of the SVX4 • cooling (lower than the room temperature) to decrease leakage current • data management method / ladder structure • local processing or driving signals on kapton cables • buffering capability • low power data transmission • Manpower • R&D proposal • ORNL / BNL physics • 1 FTE electronic engineer in FY03 • institutional contribution • ORNL • RIKEN / Kyoto U. Yuji Goto (RIKEN/RBRC)

  6. R&D issues readout chip decision interface with PHENIX ladder Technical options SVX4 or MVD-TGV+AMU/ADC recut other sensors Barrel strip detector Run-2 Run-3 Run-4 Run-5 Run-6 2001 2002 2003 2004 2005 2006 sensor prototype telescope prototype test sensor production or further R&D readout chip R&D and decision with MVD-TGV + AMU/ADC recut readout chip production or further R&D readout/interface prototype ladder prototype prototype test ladder production assembly / installation with SVX4 •  Strip sensor • BNL instrumentation / RIKEN / Kyoto U. • Strip readout / Interface with PHENIX • BNL physics / ORNL / RIKEN / Kyoto U. Yuji Goto (RIKEN/RBRC)

  7. Hybrid pixel / Readout / Interface with PHENIX • Technical options • ALICE1 hybrid or other hybrids • BTeV FPIX2 readout chip • ALICE pilot chip or our own pilot chip • R&D • parallelization of readout • development of FEM or FEM+CCB (Central Control Board) • Manpower • R&D proposal • Stony Brook • 0.5 FTE post-doc and 0.25 FTE electronic engineer in FY03-04 • institutional contribution • Stony Brook • 2 FTE students or post-docs and 0.25 FTE electronic engineer in FY03-04 • RIKEN • 2 FTE post-docs at CERN (and 1-2 more will be added) • collaboration is starting with KEK instrumentation • collaboration with NA60 / ALICE Yuji Goto (RIKEN/RBRC)

  8. Hit map 1.0 cm Hybrid pixel • NA60 pixel detector The first 4-chip pixel plane Yuji Goto (RIKEN/RBRC)

  9. Bump bonding / Thinning • Technical options • Fermilab-led efforts • PHENIX involvement by ISU • McNC North Carolina/Unitive • AIT Hong-Kong • CERN-led efforts • PHENIX involvement by RIKEN • R&D • alternative options for bump bonding / thining • evaluation of bump-bonding samples made by McNC and AIT • Manpower • R&D proposal • ISU • 0.5 FTE post-doc and 0.5 FTE electronic engineer in FY03-05 • institutional contribution • RIKEN • collaboration with NA60 / ALICE Yuji Goto (RIKEN/RBRC)

  10. Monolithic pixel • Technical options • epitaxial monolithic detectors by LEPSI • float-zone monolithic detectors by Bonn/Munich • R&D • increased speed of readout • R&D started • readout time halved to 110 nsec/pixel or 5 sec/chip • next steps, event buffering • thick, high-quality silicon • partner with Munich/Bonn groups to build readout on top of detector-grade silicon • Manpower • R&D proposal • ISU Yuji Goto (RIKEN/RBRC)

  11. Barrel pixel detector Run-2 Run-3 Run-4 Run-5 Run-6 2001 2002 2003 2004 2005 2006 hybrid R&D with NA60 hybrid R&D with ALICE • R&D issues • readout / interface with PHENIX • bump bonding / thinning • Technical options • monolithic pixel • other hybrids bump bonding / thinning R&D hybrid production monolithic pixel R&D monolithic prototype & production readout/interface R&D with monolithic pixel readout/interface prototype ladder prototype prototype test ladder production assembly / installation with ALICE1 •  Hybrid pixel / Readout / Interface with PHENIX • Stony Brook / RIKEN • Bump bonding / Thinning • ISU / RIKEN • Monolithic pixel • ISU Yuji Goto (RIKEN/RBRC)

  12. Endcap pixel detector Run-2 Run-3 Run-4 Run-5 Run-6 Run-7 2001 2002 2003 2004 2005 2006 barrel pixel R&D (shown previously) modification to match the endcap • Technical options • ALICE1 or LHCb hybrid • BTeV FPIX2 readout chip • monolithic pixel • R&D • increased capacitance load on the readout chip • sensor pad topology • routing of control lines • location of the pilot chip • Manpower • R&D proposal • LANL • electronic engineer (1 FTE in FY04, 0.5 FTE in FY05) endcap prototype prototype test endcap production assembly / installation Yuji Goto (RIKEN/RBRC)

  13. Support frame Run-2 Run-3 Run-4 Run-5 Run-6 Run-7 2001 2002 2003 2004 2005 2006 mockup study frame conceptual design • Technical options • conceptual design by the engineering team that designed the ATLAS support frame (HYTEC) • recommendation as to the best technical appoach and the areas that need further study and prototype • R&D • prototype end cap disk sector – test cooling and stiffness • prototype barrel ladder – test cooling and stiffness • prototype outer support structure • Manpower • R&D proposal • LANL • mechanic engineer (0.5 FTE in FY03, 1 FTE in FY04, 0.5 FTE in FY05) • mechanic designer (0.25 FTE in FY03, 0.5 FTE in FY04) • institutional contribution • LANL / HYTEC • RIKEN frame R&D and prototype assembly / installation Yuji Goto (RIKEN/RBRC)

  14. Support frame mockup by RIKEN conceptual design of the support frame by LANL/HYTEC Yuji Goto (RIKEN/RBRC)

  15. PHENIX institutional involvement barrel strip detector BNL (physics, instrumentation), RIKEN, Kyoto U., ORNL barrel pixel detector Stony Brook, RIKEN, ISU endcap pixel detector LANL support frame LANL, RIKEN Related R&D efforts hybrid pixel NA60, ALICE monolithic pixel STAR support frame HYTEC R&D budget request Yuji Goto (RIKEN/RBRC)

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