Conveners
III.b Trigger & DAQ: Session 1
- Katsuo Tokushuku (High Energy Accelerator Research Organization (JP))
III.b Trigger & DAQ: Session 2
- Brian Petersen (CERN)
III.b Trigger & DAQ: Session 3
- Katsuo Tokushuku (High Energy Accelerator Research Organization (JP))
III.b Trigger & DAQ: Session 4
- Brian Petersen (CERN)
Mr
Jan Veverka
(Massachusetts Inst. of Technology (US))
02/06/2014, 16:10
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The data acquisition system (DAQ) of the CMS experiment at the CERN Large Hadron Collider assembles events at a rate of 100 kHz, transporting event data at an aggregate throughput of 100 GByte/s to the high level trigger (HLT) farm. The HLT farm selects interesting events for storage and offline analysis at a rate of around 1 kHz. The DAQ system has been redesigned during the accelerator...
Wainer Vandelli
(CERN)
02/06/2014, 16:30
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The ReadOut System (ROS) is a central and essential part of the ATLAS DAQ
system. It receives and buffers data of events accepted by the first-level trigger from all subdetectors and first-level trigger subsystems. Event data are subsequently forwarded to the High-Level Trigger system and Event Builder via a 1 GbE-based network. The ATLAS ROS is completely renewed in view of the demanding...
Andrew Kevin Forrest
(CERN)
02/06/2014, 16:50
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
As part of the CMS upgrade during CERNโs shutdown period (LS1), the CMS data acquisition system is incorporating Infiniband FDR technology to boost event building performance for operation from 2015 onwards. Infiniband promises to provide substantial increase in data transmission speeds compared to the older 1GE network used during the 2009-2013 LHC run. Several options exist to end user...
Franck Gastaldi
(Ecole Polytechnique (FR))
02/06/2014, 17:10
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
This article presents the scalable Data Acquisition (DAQ) system that has been designed for prototypes of ultra-granular calorimeters for the International Linear Collider (ILC). Our design is generic enough to cope with other applications with some minor adaptations. The DAQ is made up of four different modules, including an optional one. One Detector InterFace (DIF) is placed at each end of...
Mr
Alexander Ruban
(A.)
02/06/2014, 17:30
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
CMD-3 detector of VEPP2000 e+e- collider, BINP, Russia, is under data taking for a few runs.
Itโs Time Oriented Measurement and Acquire (TOMA) DAQ demonstrates stable operation and targeted performance. During DAQ life cycle it was few times expanded in number and nomenclature of digitizer boards so as new functionality features was switched on. There are no interference or backward...
Stephanie Su
(University of Michigan)
02/06/2014, 17:50
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The goal of KOTO experiment at J-PARC is to discover and measure the rate of the rare decay KL -> pi0-nu-nubar, for which the Standard Model predicts a branching ratio of (2.4 +/- 0.4)x10E-11 . The experiment is a follow-up to E391 at KEK with a completely new readout electronics, trigger and data acquisition system.
The KOTO DAQ comprises a front-end 14-Bit, 125MHz ADC board and a two-level...
Gerhard Raven
(NIKHEF (NL)),
Johannes Albrecht
(Technische Universitaet Dortmund (DE)),
Vladimir Gligorov
(CERN)
03/06/2014, 16:10
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The LHCb experiment is a spectrometer dedicated to the study of heavy flavor at the LHC. The rate of proton-proton collisions at the LHC is 15 MHz, of which only 5 kHz can be written to storage for offline analysis. For this reason the trigger system plays a key role in selecting signal events and rejecting background. In contrast to previous experiments at hadron colliders, the bulk of the...
Muriel Vander Donckt
(Universite Claude Bernard-Lyon I (FR))
03/06/2014, 16:30
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The trigger systems of the LHC detectors play a crucial role in determining the physics capabilities of the experiments. A reduction of several orders of magnitude of the event rate is needed to reach values compatible with detector readout, offline storage and analysis capability. The CMS experiment has been designed with a two-level trigger system: the Level-1 Trigger (L1T), implemented on...
Jacopo Pinzino
(Sezione di Pisa (IT))
03/06/2014, 16:50
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The main goal of the NA62 experiment at CERN is to measure the Branching Ratio (BR) of the ultra-rare decay of a charged kaon into a charged pion and two neutrinos (K+โฯ+ฮฝฮฝ).
It aims to collect about 100 events in two years of data taking and to test the Standard Model of Particle Physics (SM), using the positive charged proton beam provided by SPS accelerator.
The key issues are readout...
Ivana Radoslavova Hristova
(Humboldt-Universitaet zu Berlin (DE))
03/06/2014, 17:10
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The level1 calorimeter trigger (L1Calo) of the ATLAS experiment has been operating effectively since the start of LHC data taking, and has played a major role in the discovery of the Higgs boson. To face the new challenges posed by the upcoming increases of the LHC proton beam energy and luminosity, a series of upgrades is planned for L1Calo. An
initial upgrade (Phase0) is scheduled to be...
Vazgen Gabrielyan
(MPI for Physics, Munich)
03/06/2014, 17:30
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
Speaker: V. Gabrielyan on behalf of the ATLAS Muon Collaboration
The Level-1 (L1) trigger for muons with high transverse momentum (pT) in ATLAS is based on chambers with excellent time resolution, able to identify muons coming from a particular beam crossing. These trigger chambers also provide a fast pT-measurement of the muons, the accuracy of the measurement being limited by the moderate...
Diego Tonelli
(CERN)
05/06/2014, 11:00
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
We present the results of an R\&D study for a specialized processor capable of precisely reconstructing events with hundreds of charged-particle tracks in pixel detectors
at 40 MHz, thus suitable for processing LHC events at the full crossing frequency. For this purpose we design and test a massively parallel pattern-recognition algorithm, inspired by studies of the processing of visual...
Alex Cerri
(University of Sussex (GB))
05/06/2014, 11:20
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The future plans for the LHC accelerator allow, through a schedule of
phased upgrades, an increase in the average instantaneous luminosity
by a factor 5 with respect to the original design luminosity.
The ATLAS experiment at the LHC will be able to maximise the physics potential from this higher luminosity only if the detector, trigger and DAQ infrastructure are adapted to handle the...
Nicola Neri
(Universitร degli Studi e INFN Milano (IT))
05/06/2014, 11:40
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
We report on the R&D for a first prototype of a silicon tracker with trigger capabilities based on a novel approach for fast track finding. The working principle is inspired from neurobiology, in particular by the processing of visual images by the brain as it happens in nature. It is based on extensive parallelization of data distribution and pattern recognition. In this work we report on the...
Stefano Gallorini
(Universita e INFN (IT))
05/06/2014, 12:00
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The LHCb experiment is entering in its upgrading phase, with its detector and read-out system re-designed to cope with the increased LHC energy after the long shutdown of 2018. In this upgrade, a trigger-less data acquisition is being developed to read-out the full detector at the bunch-crossing rate of 40 MHz. In particular, the High Level Trigger (HLT) system, where the bulk of the trigger...
Mia Tosi
(Universita' degli Studi di Padova e INFN (IT))
05/06/2014, 12:20
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The trigger systems of the LHC detectors play a crucial role in determining the physics capabilities of the experiments. A reduction of several orders of magnitude of the event rate is needed to reach values compatible with detector readout, offline storage and analysis capability. The CMS experiment has been designed with a two-level trigger system: the Level-1 Trigger (L1T), implemented on...
Dr
Anastasios Belias
(NCSR Demokritos), Dr
Konstantinos Manolopoulos
(NCSR Demokritos)
06/06/2014, 14:00
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
KM3NeT is a deep-sea neutrino telescope of very large scale (several km3) to be deployed and operated in the Mediterranean Sea. Neutrino-induced charged particles are detected by measuring their Cherenkov light in sea-water, using photomultiplier tubes (PMTs) inside transparent and pressure resistant spherical enclosures.
The aim is to instrument several km3 of sea volume with tens of...
Prof.
Zhen-An Liu
(IHEP)
06/06/2014, 14:20
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
An unified overall readout and optical high speed data transmission, called Belle2link, has been designed for use between Front-End electronics of all sub-detectors and the backend data acquisition in the Belle II experiment at KEK, Japan. These links provide not only a good electrical isolation, but also a bidirectional centralized data collection and command distribution. Further more the...
Katsuro Nakamura
(KEK)
06/06/2014, 14:40
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
The Silicon Vertex Detector (SVD) is one of the main detectors in the Belle II experiment (KEK, Japan) which takes essential roles in the decay-vertex determination, low-energy-track reconstruction, and background rejection. The SVD consists of four layers of Double-sided Silicon Strip Detectors (DSSD) and is being developed toward the start of the Belle II experiment in 2016.
Due to more...
Ourania Sidiropoulou
(Aristotle Univ. of Thessaloniki (GR))
06/06/2014, 15:00
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
A DAQ system based on custom electronics (Scalable Readout System -
SRS) has been developed inside the Micro Pattern Gaseous Detector community (RD51 Collaboration) in the recent years and is now being upgraded for large scale applications using the Advanced Telecommunications Computing Architecture (ATCA) platform.
We present the development and test of a readout system which consists of...
Zhen-An LIU
(I)
06/06/2014, 15:20
Data-processing: 3b) Trigger and Data Acquisition Systems
Oral
This talk briefs the development of instrumentation for particle physics experiment based on the ATCA/MTCA/xTCA specifications. Examples includes hardware for LLRF, Compute Node(ATCA compatible) for PANDA experiment, Lumird for BESIII Luminosity readout, Compute Node(xTCA compatible) for DEPFET/PXD detector, digitizer and trigger for TREND experiment. discussion on the back-end readout...
