Emanuel Pollacco Liverpool ACTAR Dec 2008
description
Transcript of Emanuel Pollacco Liverpool ACTAR Dec 2008
General Electronics forGeneral Electronics forTime projection chambersTime projection chambers
GETGETa a
Multi-ProjectMulti-Projectforfor
IRFU/SPhN, GANIL, GSI, Compostela, IRFU/SPhN, GANIL, GSI, Compostela, CENBG, NSCL/MSU, Darsebury, YorkCENBG, NSCL/MSU, Darsebury, York
General Electronics forGeneral Electronics forTime projection chambersTime projection chambers
GETGETa a
Multi-ProjectMulti-Projectforfor
IRFU/SPhN, GANIL, GSI, Compostela, IRFU/SPhN, GANIL, GSI, Compostela, CENBG, NSCL/MSU, Darsebury, YorkCENBG, NSCL/MSU, Darsebury, York
Emanuel Pollacco Liverpool ACTAR Dec 2008
1. ACTAR– Active Target– Saclay & GANIL & Darsebury, Compostel, GSI, York …
2. 2p - TPC– Particle decay– CENBG
3. AT-TPC– Fragmentation (+,-) & Active-Target - Magnet– MSU
4. R3B-TPC– Heavy projectile fragmentation – Magnet*– Saclay & R3B collaboration
5. SAMURAI-TPC– Fragmentation (+,-) - Magnet– Riken, Kyoto University, …
Individually, the labs will not be able to build theinstruments to perform the experiments- Costs/engineers
Multi-Project & Multi-Laboratory
Emanuel Pollacco Liverpool ACTAR Dec 2008
FP6 – ACTAR programPhysics – Yellow Book
Detector Simulations Gases & Gas Amplification tests Electronic system studies
Principle element of the projectTo design and build a prototype for general nuclear physics TPCs electronics.System will be an assessment standard for medium size and high throughput system for Nucl. Phys.
Multi-Project & Multi-LaboratoryNuclear Particle Spectroscopy Direct Reactions Resonant Reactions Decay Spallation Fragmentation
Physics
Program
s
Emanuel Pollacco Liverpool ACTAR Dec 2008
FP6 – ACTAR programPhysics – Yellow Book
Detector Simulations Gases & Gas Amplification tests Electronic system studies
Principle element of the projectTo design and build a prototype for general nuclear physics TPCs electronics.System will be an assessment standard for medium size and high throughput system for Nucl. Phys.
Multi-Project & Multi-Laboratory
Emanuel Pollacco Liverpool ACTAR Dec 2008
FP6 – ACTAR programPhysics – Yellow Book
Detector Simulations Gases & Gas Amplification tests Electronic system studies
Principle element of the projectTo draw a detailed Conceptual Design, Build & Test a prototype for general nuclear physics TPCs electronics.System will be an assessment standard for medium size and high throughput system for Nucl. Phys.
Multi-Project & Multi-LaboratoryMedium Sized SystemMultiple ApplicationsModular/Scale-FreeVery High Dynamic RangeHigh through-put for low occupation events
Nucl. P
hys. B
ased
Emanuel Pollacco Liverpool ACTAR Dec 2008
Emanuel Pollacco
FP6 – ACTAR programPhysics – Yellow Book
Detector Simulations Gases & Gas Amplification tests Electronic system studies
Principle element of the projectTo draw a detailed Conceptual Design, Build & Test a prototype for general nuclear physics TPCs electronics.System will be an assessment standard for medium size and high throughput system for Nucl. Phys.
Multi-Project & Multi-Laboratory
High S/N ratio Low Threshold ()
High Dynamic Range (U) Resoln Charge; Time; Position
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Emanuel Pollacco Liverpool ACTAR Dec 2008
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Emanuel Pollacco Liverpool ACTAR Dec 2008
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CENBG/CEA Emanuel Pollacco Liverpool ACTAR Dec 2008
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Emanuel Pollacco Liverpool ACTAR Dec 2008
FPGA
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Emanuel Pollacco Liverpool ACTAR Dec 2008
ASICfor
GETBased on the T2K
Program
15 GeV/c p-Pb (# 20K events)FE electronics
validated on 1728 channels
HARP test set-up at CERN (oct 07))
SEDI/IRFU
Filter
511 cells
Disc
Pulser
ADC
SlowControlPower
Clock
X 76
SPY
Generic Aspects via Slow Control
Memory Bank
Select External
PA + Filter
Adjustable Sample Size & Frequency ADC parameters
Internal TriggerCalculated Read-Out
Pattern
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Channel 72
Circular memory
Channels 72Cells 511Write freq: 1 to 100 MHzPrecision: 12 bitsStore: 2msec
Read: 25 MHz FADCPrecision: 12 bitsRead: 128/256/ 511 5/ 10/ 20 µsecRead: 360/720/1440 µsec < AllTotal read Time:Read 36/ 72/ 144 µsec < 10% triggerTotal read Time: 100 to 500µsec
An Overview 2
Clock Syn.External Trigger
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NIM Crate(s)
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• A Trigger which gives the Multiplicity– Discriminators LE – adj dead time– Integrated at 20MHz pipe lined to Vertex 5– Adjustable sliding time window –
• ~ Drift Time = T
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DRIFT TIMEN
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60% Improvement
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Gains & Losses with an Active Target
X5 to X40 in luminosityVery low EPI thresholds to 0.1 MeVE<ET ~ Efficiency 90% for low energy ET ejectile. Energy resoln < 50keVFor Z=1 & 2, mass & charge resoln for <ET.Angular resoln =Nouvelle method Nouvelle discoveries!Instrument adoptable to a number of techniques
Limited max. energy 4 MeV.A within the TPC.
Coupling to MUST2
No Gamma coincidenceE>ET ~ Efficiency 40%Complex Front End ElectronicsHigh data captureTo develop data analysis techniques for Nucl. Phys
Coupling MUST2 &Physics prog.