THE ATLAS HIGH LEVEL TRIGGER GROUP ∗ (2008)
S. Armstrong, J. T. Baines, C. P. Bee, M. Biglietti, A. Bogaerts, V. Boisvert, ...
Given the extremely high bunch crossing rate foreseen at the Large Hadron Collider (LHC) and the general-purpose nature of the ATLAS particle physics experiment, after the hardware-based first level...
Integration of the Trigger and Data Acquisition Systems in ATLAS (2008)
Abolins, M, Adragna, P, Aleksandrov, E, Aleksandrov, I, Amorim, A, Anderson, K, ...
During 2006 and the first half of 2007, the installation, integration and commissioning of trigger and data acquisition (TDAQ) equipment in the ATLAS experimental area have progressed. There have...
H. P. Beck, C. P. Bee, P. Y. Duval, D. Francis, D. Laugier, C. Meessen, ...
2 03 June ‘98 Discussion between DF & EF 4 18 June ‘98 Further discussion in Marseille & with DjF
Atlas DAQ Event Handler Supervisor High Level Design (2008)
C. P. Bee, P-y. Duval, E. Fede, D. Francis, D. Laugier, C. Meessen, ...
This paper describes a first approach of the supervision and control architecture of the Event Handler component of the ATLAS Event Filter system. A prototype implementation of the Supervisor should...
Supervision of the ATLAS High Level Trigger System (2007)
Wheeler, S., Flammer, J., Meessen, C., Qian, Z., Touchard, F., A. Negri, F., ...
The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter. The HLT...
XPAD: A Photons Counting Pixel Detector for Material Sciences and Small Animal imaging (2007)
Delpierre, P., Basolo, S., Berar, Jean-François, Bordesoule, M., Boudet, Nathalie, Breugnon, P., ...
Experiments on high flux and high brilliance 3rd generation synchrotron X-ray sources are now limited by detector performance. Photon counting hybrid pixel detectors are being investigated as a...
PIXSCAN: Pixel detector CT-scanner for small animal imaging (2007)
Delpierre, P., Debarbieux, F., Basolo, S., Berar, Jean-François, Bonissent, A., Boudet, Nathalie, ...
The PIXSCAN is a small animal CT-scanner based on hybrid pixel detectors. These detectors provide very large dynamic range of photons counting at very low detector noise. They also provide high...
PIXSCAN: Pixel detector CT-scanner for small animal imaging (2007)
Delpierre, P., Debarbieux, F., Basolo, S., Berar, Jean-François, Bonissent, A., Boudet, Nathalie, ...
The PIXSCAN is a small animal CT-scanner based on hybrid pixel detectors. These detectors provide very large dynamic range of photons counting at very low detector noise. They also provide high...
XPAD: A Photons Counting Pixel Detector for Material Sciences and Small Animal imaging (2007)
Delpierre, P., Basolo, S., Berar, Jean-François, Bordesoule, M., Boudet, Nathalie, Breugnon, P., ...
Experiments on high flux and high brilliance 3rd generation synchrotron X-ray sources are now limited by detector performance. Photon counting hybrid pixel detectors are being investigated as a...
PIXSCAN: Pixel detector CT-scanner for small animal imaging (2007)
Delpierre, P., Debarbieux, F., Basolo, S., Berar, Jean-François, Bonissent, A., Boudet, Nathalie, ...
The PIXSCAN is a small animal CT-scanner based on hybrid pixel detectors. These detectors provide very large dynamic range of photons counting at very low detector noise. They also provide high...
XPAD: A Photons Counting Pixel Detector for Material Sciences and Small Animal imaging (2007)
Delpierre, P., Basolo, S., Berar, Jean-François, Bordesoule, M., Boudet, Nathalie, Breugnon, P., ...
Experiments on high flux and high brilliance 3rd generation synchrotron X-ray sources are now limited by detector performance. Photon counting hybrid pixel detectors are being investigated as a...
Santamarina, C., Conde-Muino, P., Dos Anjos, A., Armstrong, S., Baines, J. T. M., Bee, C. P., ...
ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...
Testing on a Large Scale (2006)
Burckhart-Chromek, Doris, Abolins, M, Adragna, P, Albuquerque-Portes, M, Alexandrov, L, Amorim, A, ...
The ATLAS Data Acquisition (DAQ) and High Level Trigger (HLT) software system will be comprised initially of 2000 PC nodes which take part in the control, event readout, second level trigger and...
Burckhart-Chromek, Doris, Abolins, M, Adragna, P, Alexandrov, L, Amorim, A, Armstrong, S, ...
The ATLAS Data Acquisition (DAQ) and High Level Trigger (HLT) software system will be comprised initially of 2000 PC nodes which take part in the control, event readout, second level trigger and...
Santamarina, C., Conde-Muino, P., Dos Anjos, A., Armstrong, S., Baines, J. T. M., Bee, C. P., ...
ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...
Evaluation of tomographic reconstruction methods for small animal microCT and microPET/CT (2006)
Valton, S., Peyrin, F., Delpierre, P., Debarbieux, F., Bonissent, A., Khoury, R., ...
Biological research on small animals is constantly demanding for imaging devices with higher performances like combined scanners enabling multiple modality data acquisition. In this context, we...
Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)
Armstrong, S., A. Assamagan, K., P. Bee, C., Bellomo, M., Biglietti, M., ...
The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...
Deployment of the ATLAS High-Level Trigger (2006)
Dos Anjos, A., Armstrong, S., P. Beck, H., Bee, C.P., Biglietti, M., ...
The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...
Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)
Armstrong, S., A. Assamagan, K., P. Bee, C., Bellomo, M., Biglietti, M., ...
The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...
Deployment of the ATLAS High-Level Trigger (2006)
Dos Anjos, A., Armstrong, S., P. Beck, H., Bee, C.P., Biglietti, M., ...
The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...
Evaluation of tomographic reconstruction methods for small animal microCT and microPET/CT (2006)
Valton, S., Peyrin, F., Delpierre, P., Debarbieux, F., Bonissent, A., Khoury, R., ...
Biological research on small animals is constantly demanding for imaging devices with higher performances like combined scanners enabling multiple modality data acquisition. In this context, we...
Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)
Armstrong, S., A. Assamagan, K., P. Bee, C., Bellomo, M., Biglietti, M., ...
The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...
Deployment of the ATLAS High-Level Trigger (2006)
Dos Anjos, A., Armstrong, S., P. Beck, H., Bee, C.P., Biglietti, M., ...
The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...
Evaluation of tomographic reconstruction methods for small animal microCT and microPET/CT (2006)
Valton, S., Peyrin, F., Delpierre, P., Debarbieux, F., Bonissent, A., Khoury, R., ...
Biological research on small animals is constantly demanding for imaging devices with higher performances like combined scanners enabling multiple modality data acquisition. In this context, we...
Editor for Remote Database used in ATLAS Trigger/DAQ (2005)
Meessen, C, Touchard, F, Valenta, J
The poster gives brief summary of the ATLAS T/DAQ system, then it introduces the RDB database and describes the RDB Editor application, including its internal structure, GUI features, etc. The RDB...
Editor for Remote Database used in ATLAS Trigger/DAQ (2005)
Meessen, C, Touchard, F, Valenta, J
The poster gives brief summary of the ATLAS T/DAQ system, then it introduces the RDB database and describes the RDB Editor application, including its internal structure, GUI features, etc. The RDB...
Santamarina-Rios, C, Conde-Muíño, P, Dos Anjos, A, Armstrong, S, Baines, J T M, Bee, C P, ...
ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...
Gesualdi-Mello, A, Anjos, A, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, ...
The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center-of-mass energy, whilst...
ANTARES Proposal: Towards a Large Scale High Energy Cosmic Neutrino - undersea detector (2005)
Amram, P., Arpesella, C., Aslanides, E., Aubert, J.J., Azoulay, R., Bailey, D., ...
The ANTARES collaboration propose to observe high energy cosmic neutrinos using a deep sea Cherenkov detector. The sky survey with high energy neutrinos is complementary to the observations with...
Schiavi, C, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...
The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...
Schiavi, C, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...
The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...
A Level-2 trigger algorithm for the identification of muons in the ATLAS Muon Spectrometer (2005)
Di Mattia, A, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...
The ATLAS Level-2 trigger provides a software-based event selection after the initial Level-1 hardware trigger. For the muon events, the selection is decomposed in a number of broad steps: first, the...
A Level-2 trigger algorithm for the identification of muons in the ATLAS Muon Spectrometer (2005)
Di Mattia, A, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...
The ATLAS Level-2 trigger provides a software-based event selection after the initial Level-1 hardware trigger. For the muon events, the selection is decomposed in a number of broad steps: first, the...
XPAD: pixel detector for material sciences (2005)
Basolo, S., Boudet, N., Breugnon, P., Caillot, B., ...
Currently available 2D detectors do not make full use of the high flux and high brilliance of third generation synchrotron sources. The XPAD prototype, using active pixels, has been developed to...
XPAD: pixel detector for material sciences (2005)
Basolo, S., Boudet, N., Breugnon, P., Caillot, B., ...
Currently available 2D detectors do not make full use of the high flux and high brilliance of third generation synchrotron sources. The XPAD prototype, using active pixels, has been developed to...
XPAD: pixel detector for material sciences (2005)
Basolo, S., Boudet, N., Breugnon, P., Caillot, B., ...
Currently available 2D detectors do not make full use of the high flux and high brilliance of third generation synchrotron sources. The XPAD prototype, using active pixels, has been developed to...
Armstrong, S., Dos Anjos, A., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...
The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...
Armstrong, S., Dos Anjos, A., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...
The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...
XPAD: pixel detector for material sciences (2005)
Basolo, S., Boudet, N., Breugnon, P., Caillot, B., ...
Currently available 2D detectors do not make full use of the high flux and high brilliance of third generation synchrotron sources. The XPAD prototype, using active pixels, has been developed to...
Armstrong, S., Dos Anjos, A., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...
The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...
XPAD: pixel detector for material sciences (2005)
Basolo, S., Boudet, N., Breugnon, P., Caillot, B., ...
Currently available 2D detectors do not make full use of the high flux and high brilliance of third generation synchrotron sources. The XPAD prototype, using active pixels, has been developed to...
Portable Gathering System for Monitoring and Online Calibration at ATLAS (2004)
Conde-Muíño, P, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...
During the runtime of any experiment, a central monitoring system that detects problems as soon as they appear has an essential role. In a large experiment, like ATLAS, the online data acquisition...
An overview of the ATLAS high-level trigger dataflow and supervision (2004)
T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...
The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....
Algorithms for the ATLAS high-level trigger (2004)
Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...
Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...
The second level trigger of the ATLAS experiment at CERN's LHC (2004)
Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...
The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...
Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...
The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...
Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...
The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...
Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...
The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...
Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...
The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...
Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...
The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...
The second level trigger of the ATLAS experiment at CERN's LHC (2004)
Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...
The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...
Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...
The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...
Algorithms for the ATLAS high-level trigger (2004)
Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...
Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...
An overview of the ATLAS high-level trigger dataflow and supervision (2004)
T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...
The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....
Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...
The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...
Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...
The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...
The second level trigger of the ATLAS experiment at CERN's LHC (2004)
Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...
The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...
Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...
The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...
Algorithms for the ATLAS high-level trigger (2004)
Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...
Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...
An overview of the ATLAS high-level trigger dataflow and supervision (2004)
T. Baines, J., Bee, C.P., Bogaerts, A., Bosman, M., Botterill, D., Caron, B., ...
The ATLAS high-level trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the event filter (EF)....
An Overview of the ATLAS High Level Trigger Dataflow and Supervision (2003)
Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...
The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter (EF)....
An Overview of Algorithms for the ATLAS High Level Trigger (2003)
Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, Boisvert, V, ...
Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...
Wiedenmann, W, Armstrong, S R, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...
The Atlas High Level Trigger's primary function of event selection will be accomplished with a Level-2 trigger farm and an Event Filter farm, both running software components developed in the Atlas...
Architecture of the ATLAS High Level Trigger Event Selection Software (2003)
Grothe, M, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...
The ATLAS High Level Trigger (HLT) consists of two selection steps: the second level trigger and the event filter. Both will be implemented in software, running on mostly commodity hardware. Both...
Architecture of the ATLAS High Level Trigger Event Selection Software (2003)
Grothe, M, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...
The ATLAS High Level Trigger (HLT) consists of two selection steps: the second level trigger and the event filter. Both will be implemented in software, running on mostly commodity hardware. Both...
The Algorithm Steering and Trigger Decision mechanism of the ATLAS High Level Trigger (2003)
Comune, G, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...
Given the extremely high output rate foreseen at LHC and the general-purpose nature of ATLAS experiment, an efficient and flexible way to select events in the High Level Trigger is needed. An...
The Algorithm Steering and Trigger Decision mechanism of the ATLAS High Level Trigger (2003)
Comune, G, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...
Given the extremely high output rate foreseen at LHC and the general-purpose nature of ATLAS experiment, an efficient and flexible way to select events in the High Level Trigger is needed. An...
Supervision of the ATLAS High Level Trigger System (2003)
Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...
The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter. The HLT...
Supervision of the ATLAS High Level Trigger System (2003)
Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...
The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter. The HLT...
Supervision of the ATLAS High Level Trigger System (2003)
Wheeler, S., Flammer, J., Meessen, C., Qian, Z., Touchard, F., Negri, France A., ...
The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter. The HLT...
ANTARES Proposal: Towards a Large Scale High Energy Cosmic Neutrino - undersea detector (1997)
Amram, P., Arpesella, C., Aslanides, E., Aubert, J.J., Azoulay, R., Bailey, D., ...
The ANTARES collaboration propose to observe high energy cosmic neutrinos using a deep sea Cherenkov detector. The sky survey with high energy neutrinos is complementary to the observations with...
ANTARES Proposal: Towards a Large Scale High Energy Cosmic Neutrino - undersea detector (1997)
Amram, P., Arpesella, C., Aslanides, E., Aubert, J.J., Azoulay, R., Bailey, D., ...
The ANTARES collaboration propose to observe high energy cosmic neutrinos using a deep sea Cherenkov detector. The sky survey with high energy neutrinos is complementary to the observations with...