Conveners
Parallel Session A3 - Trigger
- Wesley Smith (University of Wisconsin)
Parallel Session A3 - Trigger
- Emilio Petrolo (CERN)
Gianmaria Collazuol
(INFN Sezione di Pisa (INFN))
23/09/2009, 09:45
Trigger
Oral
The TDC based integrated trigger and data acquisition system of the NA62 experiment at CERN will be presented. The system architecture, the trigger algorithm and its implementation in commercial high performance FPGAs will be described. The results of test and characterization of the custom components as well as those of extensive field tests performed on a system prototype handling up to 512...
Mr
Markus Krämer
(Technische Universität München)
23/09/2009, 10:10
Trigger
Oral
In order to provide a trigger for the Primakoff reaction, in 2009, the trigger system of the COMPASS experiment at CERN will be extend by an electromagnetic calorimeter trigger. Since it was decided to gain from various benefits of digital data processing, a FPGA based implementation of the trigger, running on the front-end electronics, which are used for data acquisition at the same time, is...
Dr
Hervé Chanal
(LPC Clermont-Ferrand)
23/09/2009, 11:00
Trigger
Oral
The Level 0 Decision Unit (L0DU) is one of the main components of the first trigger level of the LHCb experiment. This 16 layers custom board receives data from the calorimeter, muon and pile-up sub-triggers and computes the level 0 decision, reducing the rate from 40MHz to 1MHz. The processing is implemented in FPGA using a 40MHz synchronous pipelined architecture. The L0DU algorithm is fully...
Mrs
Pamela Renee Klabbers
(University of Wisconsin-Madison)
23/09/2009, 11:25
Trigger
Oral
The CMS Regional Calorimeter Trigger (RCT) receives 8 bit energies and a data quality bit from the HCAL and ECAL Trigger Primitive Generators (TPGs) and sends it to the Global Calorimeter Trigger (GCT) after processing. The RCT hardware consists of 1 clock distribution crate and 18 double-sided crates containing custom boards, ASICs, and backplanes. The electronics for the RCT have been fully...
John Morris
(Queen Mary University of London)
23/09/2009, 11:50
Trigger
Oral
The ATLAS Level-1 Calorimeter Trigger is a hardware-based pipelined system using custom electronics which identifies, within a fixed latency of 2.5 us, highly energetic objects resulting from LHC collisions. It is composed of three main sub-systems. The PreProcessor system first conditions and digitises approximately 7200 pre-summed analogue calorimeter signals at the bunch-crossing rate of 40...
Mr
Yu Suzuki
(KEK)
23/09/2009, 12:15
Trigger
Oral
The ATLAS level1 endcap muon trigger system consists of about 4000 Thin Gap Chambers (TGC) with 320,000 input electronics channels in order to find level1 trigger candidates for muons in both endcap regions. We had already adjusted channel-to-channel timing difference in overall TGC system with 1.2ns level, and found its consistency with the observation of beam halo events in the first proton...
Mr
Ralf Spiwoks
(CERN)
23/09/2009, 12:40
Trigger
Oral
The ATLAS Level-1 Muon to Central Trigger Processor Interface (MUCTPI) receives
information on muon candidates from the muon trigger sectors and sends multiplicity
values to the Central Trigger Processor (CTP). The CTP receives the
multiplicity values from the MUCTPI and combines them with information from the
calorimeter trigger and other triggers of the experiment and makes the...