Emanuel Pollacco Liverpool ACTAR Dec 2008
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Transcript of Emanuel Pollacco Liverpool ACTAR Dec 2008
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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
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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
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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
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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
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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
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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
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High S/N ratio Low Threshold ()
High Dynamic Range (U) Resoln Charge; Time; Position
Internal Trigger Selective Readout Zero Suppress
Base-Line Correction Time Stamp Automated Calibration
Beam
e
Measure Q(t), X, Yper PadSampling ADC
ano
de
wire
gating grid
ZAP
PA
GET
Emanuel Pollacco Liverpool ACTAR Dec 2008
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4.Gbit/sMax in
4x2.Gbit/sMax in
288 Pads/PA1.Gbit/sMax out
FPGA
FPGA
TriggerSelective/Calculated-Read out
FPGA
PCI Express
Event-Building
CoBo
InBo
Time-StampZero SuppressBase-Line CorrOrdering
LVDS
PA
ZA
P-
PA
A Simple ArchitectureTo Give
Scale ‘Free’ Modular
Portable - different labsAutomated
A Simple ArchitectureTo Give
Scale ‘Free’ Modular
Portable - different labsAutomated
PA
PA
ZA
P-
ZA
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ZA
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AS
IC
Emanuel Pollacco Liverpool ACTAR Dec 2008
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ZA
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FPGA
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/MS
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CENBG/CEA Emanuel Pollacco Liverpool ACTAR Dec 2008
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PCIFPGA
FPGA
ZA
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Emanuel Pollacco Liverpool ACTAR Dec 2008
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FPGA
14,000 Pads – 7x106 Samples – 150 watts
FPGA
Trigger
FPGAFPGA
FPGA
BEN
OtherSub-systems
IOLANEthernet
PCI Exp
Event Rates 1KHz
FPGA
FPGA
FPGA
FPGA FPGA
FPGAFPGA
FPGA FPGA
FPGAFPGA
FPGA FPGA
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ASICfor
GETBased on the T2K
Program
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15 GeV/c p-Pb (# 20K events)FE electronics
validated on 1728 channels
HARP test set-up at CERN (oct 07))
SEDI/IRFU
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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
Pattern/Trigger
PA
PA + Filter1) 72 +/- input2) 16 shaping times 3) Adjustable gain/ch
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Channel 1
Channel n
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
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An Overview 2
Clock Syn.External Trigger
CoBo
BEM
VX4
VX4
AsAd
VX5ADCAGETInBo
PCI expMemory
Memory
X36 X9X4
Fast Ethernet Slow Control
NIM Crate(s)
X4 X4
Pulser
V & I
Temp
PAPAPAPAPAPAPAPAPAPA
X104
PC
MUTANT
VX4VX4
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Trigger
• 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
• Channel fired• ~ Drift Time = T
DRIFT TIMEN
0
0
0
0
8
9
11
4
Trigger
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ToT1:104
60% Improvement
1-200MHz
12 & 14 bits
<5kHz
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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.