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Software-based data acquisition and processing for neutron detectors at European Spallation Source - Early experience from four detector designs

Christensen, M. J.; Shetty, M.; Nilsson, J.; Mukai, A.; Jebali, R. Al; Khaplanov, A. LU ; Lupberger, M.; Messi, F. LU ; Pfeiffer, D. LU and Piscitelli, F. LU , et al. (2018) In Journal of Instrumentation 13(11).
Abstract

European Spallation Source (ESS) will deliver neutrons at high flux for use in diverse neutron scattering techniques. The neutron source facility and the scientific instruments will be located in Lund, and the Data Management and Software Centre (DMSC), in Copenhagen. A number of detector prototypes are being developed at ESS together with its European in-kind partners, for example: SoNDe, Multi-Grid, Multi-Blade and Gd-GEM. These are all position sensitive detectors but use different techniques for the detection of neutrons. Except for digitization of electronics readout, all neutron data is anticipated to be processed in software. This provides maximum flexibility and adaptability and allows deep inspection of the raw data for... (More)

European Spallation Source (ESS) will deliver neutrons at high flux for use in diverse neutron scattering techniques. The neutron source facility and the scientific instruments will be located in Lund, and the Data Management and Software Centre (DMSC), in Copenhagen. A number of detector prototypes are being developed at ESS together with its European in-kind partners, for example: SoNDe, Multi-Grid, Multi-Blade and Gd-GEM. These are all position sensitive detectors but use different techniques for the detection of neutrons. Except for digitization of electronics readout, all neutron data is anticipated to be processed in software. This provides maximum flexibility and adaptability and allows deep inspection of the raw data for commissioning which will reduce the risk of starting up new detector technologies. But it also requires development of high performance software processing pipelines and optimized and scalable processing algorithms. This report provides a description of the ESS system architecture for the neutron data path. Special focus is on the interface between the detectors and DMSC which is based on UDP over Ethernet links. The report also describes the software architecture for detector data processing and the tools we have developed, which have proven very useful for efficient early experimentation, and can be run on a single laptop. Processing requirements for the SoNDe, Multi-Grid, Multi-Blade and Ge-GEM detectors are presented and compared to event processing rates archived so far.

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keywords
Computing (architecture, farms, GRID for recording, storage, archiving, and distribution of data), Data acquisition concepts, Neutron detectors (cold, thermal, fast neutrons), Software architectures (event data models, frameworks and databases)
in
Journal of Instrumentation
volume
13
issue
11
publisher
IOP Publishing
external identifiers
  • scopus:85057622524
ISSN
1748-0221
DOI
10.1088/1748-0221/13/11/T11002
language
English
LU publication?
yes
id
079965ea-319e-407c-8f17-c7a56096f7b9
date added to LUP
2018-12-19 13:19:15
date last changed
2019-04-10 04:18:08
@article{079965ea-319e-407c-8f17-c7a56096f7b9,
  abstract     = {<p>European Spallation Source (ESS) will deliver neutrons at high flux for use in diverse neutron scattering techniques. The neutron source facility and the scientific instruments will be located in Lund, and the Data Management and Software Centre (DMSC), in Copenhagen. A number of detector prototypes are being developed at ESS together with its European in-kind partners, for example: SoNDe, Multi-Grid, Multi-Blade and Gd-GEM. These are all position sensitive detectors but use different techniques for the detection of neutrons. Except for digitization of electronics readout, all neutron data is anticipated to be processed in software. This provides maximum flexibility and adaptability and allows deep inspection of the raw data for commissioning which will reduce the risk of starting up new detector technologies. But it also requires development of high performance software processing pipelines and optimized and scalable processing algorithms. This report provides a description of the ESS system architecture for the neutron data path. Special focus is on the interface between the detectors and DMSC which is based on UDP over Ethernet links. The report also describes the software architecture for detector data processing and the tools we have developed, which have proven very useful for efficient early experimentation, and can be run on a single laptop. Processing requirements for the SoNDe, Multi-Grid, Multi-Blade and Ge-GEM detectors are presented and compared to event processing rates archived so far.</p>},
  articleno    = {T11002},
  author       = {Christensen, M. J. and Shetty, M. and Nilsson, J. and Mukai, A. and Jebali, R. Al and Khaplanov, A. and Lupberger, M. and Messi, F. and Pfeiffer, D. and Piscitelli, F. and Blum, T. and Søgaard, C. and Skelboe, S. and Hall-Wilton, Richard and Richter, T.},
  issn         = {1748-0221},
  keyword      = {Computing (architecture, farms, GRID for recording, storage, archiving, and distribution of data),Data acquisition concepts,Neutron detectors (cold, thermal, fast neutrons),Software architectures (event data models, frameworks and databases)},
  language     = {eng},
  month        = {11},
  number       = {11},
  publisher    = {IOP Publishing},
  series       = {Journal of Instrumentation},
  title        = {Software-based data acquisition and processing for neutron detectors at European Spallation Source - Early experience from four detector designs},
  url          = {http://dx.doi.org/10.1088/1748-0221/13/11/T11002},
  volume       = {13},
  year         = {2018},
}