High Spatial Resolution in thermal Neutron Detection: from CASCADE to BASTARD DPG Frühjahrstagung Münster 27.03.2017 Physikalisches Institut (LCTPC) Rheinische Friedrich-Wilhelms-Universität Bonn Markus Köhli M. Klein, U. Schmidt (Uni Heidelberg) T. Wagner, F. Schmidt, J. Kaminski, K. Desch (Uni Bonn)
Neutron Capture 1 Neutron 30 mev Nuclear Absorption 5
The Helium-3 Crisis 2 AAAS, Overview of Helium-3 Supply and Demand 5
The Helium-3 Crisis 2 9/11 [1] AAAS, Overview of Helium-3 Supply and Demand [2] 5 [1] http://www.saphymo.com/photos/ecatalogue/116-2/access-control-clearance-monitors-rcp-radiological-control-for-pedestrian.jpg [2] http://cits.uga.edu/uploads/1540compass/1540images/_compass750/rpm1.jpg
The European Spallation Source 3 ESS TDR 2013 Lund, Sweden Linear Accelerator 2 GeV 3 ms Pulse 62.5 ma
ESS Instrumentation 3 ESS TDR 2013
ESS Instrumentation 3 ESS TDR 2013 5
The Detector Heidelberg University
The CASCADE Detector 4 CASCADE detector without housing
The CASCADE Detector 4 CASCADE detector without housing Active Detection Volume 6 layers of Boron-10 Readout 128x128 crossed stripes @ 1.56 mm Electronics 5x CIPix 64ch @ FPGA 10 MHz DAQ Firmware based event reconstruction
The CASCADE Concept 5 Casing Thin (Boron) Layer Readout
The CASCADE Concept 5 Casing Thin (Boron) Layer charge transparent substrate Readout
The CASCADE Concept 5 GEM (Gas Electron Multiplier foil)
The CASCADE Concept 5 GEM (Gas Electron Multiplier foil)
The CASCADE Concept 5 c c c c
The CASCADE Concept 5
Spatial Resolution 8 Image of a cold neutron beam (after guide) 2.5 mm Spatial resolution: 2.4 mm FWHM Log (Intensity) Cadmium sheet @RESEDA FRM II
Spin Echo
Spin Echo - MIEZE 10
Spin Echo - MIEZE 10 Sample
_count_ Spin Echo Measurements 11 8000 Polarisation 69.6 % space RESEDA, FRMII: spectrometer arms 3 15 Å @ 11% FWHM 7000 6000 5000 4000 3000 2000 0.6 0.8 1.0 _B 3_ 1.2 1.4
_count_ Spin Echo Measurements 11 8000 7000 Polarisation 69.6 % space 6000 5000 4000 3000 Graphite Sample 2000 0.6 0.8 1.0 Typical Spin Echo group _B 3_ 1.2 1.4
_count_ Spin Echo Measurements 11 100 khz x16 time 8000 7000 Polarisation 69.6 % space 6000 5000 4000 3000 Graphite Sample 2000 0.6 0.8 1.0 Typical Spin Echo group _B 3_ 1.2 1.4
_count_ Spin Echo Measurements 11 100 khz x16 time 8000 7000 Polarisation 69.6 % space 6000 5000 4000 3000 Graphite Sample 2000 0.6 0.8 1.0 Typical Spin Echo group _B 3_ 1.2 1.4
_count_ Spin Echo Measurements 11 100 khz x16 time 8000 7000 Polarisation 69.6 % space 6000 5000 4000 3000 Graphite Sample 2000 0.6 0.8 1.0 Typical Spin Echo group _B 3_ 1.2 1.4
_count_ Spin Echo Measurements 11 100 khz x16 time 8000 7000 Polarisation 69.6 % space 6000 5000 4000 3000 Graphite Sample 2000 0.6 0.8 1.0 Typical Spin Echo group _B 3_ 1.2 1.4
Spin Echo Measurements 12 100 khz x16 time Phase View
Spin Echo Measurements 12 100 khz x16 time
_count_ Spin Echo Measurements 13 8000 7000 Polarisation 69.6 % space 6000 5000 4000 3000 Graphite Sample 2000 0.6 0.8 1.0 Typical Spin Echo group _B 3_ 1.2 1.4
_count_ Spin Echo Measurements 13 8000 7000 Polarisation 69.6 % space 6000 5000 4000 3000 Graphite Sample 2000 0.6 0.8 1.0 Typical Spin Echo group _B 3_ 1.2 1.4
BASTARD & BODELAIRE
To New Shores 14 GEM CASCADE Uni Heidelberg Technology available in 2000 CiPix Multichannel ASIC
To New Shores 14 CASCADE Uni Heidelberg Technology available in 2000 GEM New Project Uni Bonn Technology available in 2017 TPC CiPix Multichannel ASIC TimePix VMM ASIC
To New Shores 15 BODELAIRE High Resolution BASTARD High Rate 5
The BASTARD System 15 Boron Drift Field Gas Gain Strips Kapton 5
The BASTARD System 15 Boron Drift Field Gas Gain Strips Kapton 5
The BASTARD System 15 Boron Drift Field Gas Gain Strips Kapton nxyter Prototype: M. Liebig Uni HD 2015 5
The BASTARD System 16 Pitch :280 μm 10 cm x 10 cm 5
The BASTARD System 16 VMM1 2011/12 VMM2 2013/14 4 MHz/ch 10bit ADC self triggered 400 e- noise 1 ns time resolution [1] [2] 5 [1] G. Iakovidis, RD51 MiniWeek CERN, Feb. 2017 [2] H. Muller, RD51 SRS Status December 2016, CERN
Summary & Outlook Markus Köhli Physikalisches Institut (LCTPC) Rheinische Friedrich-Wilhelms-Universität Bonn
Summary & Outlook Markus Köhli Physikalisches Institut (LCTPC) What can 10 Boron based detectors offer? Rheinische Friedrich-Wilhelms-Universität Bonn
Summary & Outlook Markus Köhli Physikalisches Institut (LCTPC) What can 10 Boron based detectors offer? high rate, spatially and time resolved detectors (for Imaging/Spin Echo applications) Rheinische Friedrich-Wilhelms-Universität Bonn
Summary & Outlook Markus Köhli Physikalisches Institut (LCTPC) What can 10 Boron based detectors offer? high rate, spatially and time resolved detectors (for Imaging/Spin Echo applications) Rheinische Friedrich-Wilhelms-Universität Bonn BASTARD (high rate, good resolution)
Summary & Outlook Markus Köhli Physikalisches Institut (LCTPC) What can 10 Boron based detectors offer? high rate, spatially and time resolved detectors (for Imaging/Spin Echo applications) Rheinische Friedrich-Wilhelms-Universität Bonn BASTARD (high rate, good resolution) BODELAIRE (high resolution)
Summary & Outlook Markus Köhli Physikalisches Institut (LCTPC) What can 10 Boron based detectors offer? high rate, spatially and time resolved detectors (for Imaging/Spin Echo applications) Rheinische Friedrich-Wilhelms-Universität Bonn BASTARD (high rate, good resolution) BODELAIRE (high resolution) to be continued T. Wagner & F. Schmidt