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Ozgur Cobanoglu (Univ. + INFN)27/09/2006, 16:20PosterIn this paper we present an 8 channel full-custom ASIC prototype, named "CMAD", designed for the readout of the RICH-I detector system of the COMPASS experiment at CERN. The task of the chip is amplifying the signals coming from fast multi-anode photomultipliers and comparing them against a threshold adjustable on-chip on a channel by channel basis. CMAD was developed using a...Go to contribution page
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Georgios Sidiropoulos (University of Ioannina)27/09/2006, 16:20PosterA programmable random trigger emulation system has been built for use in high energy physics, nuclear physics or radiology experiments. The emulator is based on the generation of trigger time intervals using a true random bit generator. The system is able to work either as a stand alone trigger emulator or as a plug-in module for a trigger/readout system.Go to contribution page
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Emmanuel Vaumorin (PROSILOG), Thierry Romanteau (LLR Polytechnique)27/09/2006, 16:20PosterThe ECAL sub detector of the CMS experiment is composed of one barrel and two endcaps. The crystals of the endcaps are arranged on an X-Y grid. Mapping signal clusters on to the eta-phi coordinate system required for the trigger therefore presents a problem. The 48 channels Trigger Concentrator Card (TCC48) is designed to compute the trigger primitives of the different parts of each...Go to contribution page
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Guilherme Cardoso (Fermi National Accelerator Laboratory)27/09/2006, 16:20PosterThe Front-End R&D group at Fermilab has been developing pixel hybridized modules and silicon strip detectors for the past decade for high-energy physics experiments. To accomplish this goal, one of the activities the group has been working on includes the development of a high-speed and high-bandwidth data acquisition and test system to characterize front-end electronics. In this paper,...Go to contribution page
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Tobias Flick (Bergische Universitaet Wuppertal)27/09/2006, 16:20PosterThe ATLAS detector is one of the LHC experiments going to start data taking in 2007. The innermost subdetector of ATLAS will be a pixel detector. It consists of 1744 pixel modules which are controlled and read out via optical signals. The off detector end of the optical link is the Back of Crate card which is performing the optical-electrical conversion and adopting the timing for the...Go to contribution page
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Andres Russu (Astronomy and Space Science Group - ICMUV - University of Valencia)27/09/2006, 16:20PosterThe aim of this paper is to present the preliminary background modelling results of the Miniature X-and Gamma-ray Sensor (MXGS) instrument in the Atmospheric-Space Interaction Monitor (ASIM). ASIM is an atmosphere event observatory with a wide energy range (from optical to gamma-ray) foreseen to be located at the external facility of the Columbus Module at the ISS in 2009. The model...Go to contribution page
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Alexander Singovski (University of Minnesota & CERN)27/09/2006, 16:20PosterThe final design of the low voltage power system of the CMS ECAL detector will be presented. The particular requirements of the ECAL on-detector electronics powering will be discussed and details of the W-IE-NE-R MARATON system design related to these features will be pointed out. All tests performed with the ECAL-specific version of the MARATON power supply units will be summarized. The...Go to contribution page
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Alexander Singovski (University of Minnesota & CERN)27/09/2006, 16:20PosterCMS ECAL detector will require more than 400 dense multi-ribbon optical cables, made of single mode 9 micron quartz fibers, for the data, control and trigger data transfer between on-detector and off-detector electronics. Although all cables will be tested before installation, one cannot guarantee no single fiber damage during the mass cable pooling campaign at the underground area....Go to contribution page
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Jan Troska (CERN)27/09/2006, 16:20PosterThe CMS Tracker will install over 40000 optical links in its data readout and control system, representing an unprecedented deployment of this technology in a Particle Physics Experiment. After reviewing the Quality process employed in this project, a summary of the performance data measured during production will be shown. The analysis of this data will then be used to illustrate how...Go to contribution page
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Robert Bainbridge (Imperial College London)27/09/2006, 16:20PosterThe CMS micro-strip tracker data acquisition system is based on an analogue front-end ASIC, optical readout and an off-detector VME board that performs digitization, zero-suppression and data formatting before forwarding event fragments to the online event-building farm. Sophisticated “commissioning” procedures are required to optimally configure, calibrate and synchronize the 10M...Go to contribution page
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Géza Székely (Institue of Nuclear Research, ATOMKI, Debrecen, Hungary)27/09/2006, 16:20PosterThe CMS Barrel Muon Alignment System is composed of a series of elements - each of large quantity - to be calibrated individually and together after assembly. This requires an approach based on modular control and data acquisition hardware and software including data validation features during data taking. The measured data of all calibration steps (including full images) are stored in...Go to contribution page
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Hans Kristian Soltveit (University Heidelberg Physikalisches institut)27/09/2006, 16:20PosterThe Compressed Baryonic Matter (CBM) experiment is a dedicated heavy-ion experiment at the future accelerator Facility for Antiproton and Ion Research (FAIR), in Darmstadt. A Fast Transition Radiation detector will be part of this experiment. The high reaction rates up to 10^7 event s^-1 require electronics with fast shaping time. A preamplifier for the FAST-TRD detector has been...Go to contribution page
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Farida Fassi (IFIC- Instituto de Fisica Corpuscular)27/09/2006, 16:20PosterThe ATLAS experiment currently under construction at CERN's Large Hadron Collider presents data processing requirements of an unprecedented scale. ATLAS will accrue tens of petabytes of data per year, distributed around the world: the collaboration comprises more than 1800 physicists from 150 institutions in 34 countries. The Distributed Analysis (DA) system has the goal of enabling ATLAS...Go to contribution page
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Nigel Smale (Nuclear Physics Laboratory)27/09/2006, 16:20PosterThe F-CSA104 is a low noise, fully integrated, four channel preamplifier produced in the CMOS 0.6um XFAB XC06 process, which has been developed for the GERDA experiment. Each channel contains a charge sensitive preamplifier (CSA) followed by a fast differential line driver for driving a 100 Ohm twisted pair cable over 10m. It has a measuring sensitivity of 5.8 mV/fC with an expected ENC...Go to contribution page
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Marco Boccioli (European Organization for Nuclear Research (CERN))27/09/2006, 16:20PosterThe Time Projection Chamber (TPC) is the core of the ALICE experiment at CERN. The ALICE TPC is an 88m3 cylinder filled with gas and divided in two drift regions by the central electrode located at its axial centre. The drift field is generated by a 100kV power supply. The TPC Very High Voltage project covers the development of the control system for the power supply. This paper...Go to contribution page
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Mikhail Matveev (Rice University)27/09/2006, 16:20PosterThe results of data transmission tests over custom backplane, copper and optical links at a multiples of the LHC bunch clock frequency are presented. We have evaluated a parallel data transmission at 80MHz and 160MHz using the GTLP and LVDS standards as well as serial copper and optical links operating at 3.2Gbps.Go to contribution page
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Jonathan Emery (CERN)27/09/2006, 16:20PosterIn the frame of the design and development of the beam loss monitoring (BLM) system for the Large Hadron Collider (LHC) a flexible tester has been developed to qualify and verify during design and production a data acquisition card. It permits to test completely the functionalities of the board as well as realizing analog input signal generation to the acquisition card. The system...Go to contribution page
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Sam Silverstein (Stockholm University)27/09/2006, 16:20The challenges of producing high-performance and low-latency realtime systems for LHC have led many groups to design systems with higher channel density and greater interconnectivity between modules. Custom backplanes with 2mm Hard Metric connectors provide the high pin counts necessary for these systems, but also present new problems, including increased insertion and extraction...Go to contribution page
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Satish Dhawan (Yale University)27/09/2006, 16:20PosterWe are exploring various way of employing 48 volt DC-DC converters capable of running in high magnetic fields and /or radiation environments of the SLHC and ILC detectors. Tradeoffs with respect to voltage conversion ratios, currents deliverable, radiation, and magnetic field are explored.Go to contribution page
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Rafael Antunes Nobrega (Universita di Roma I "La Sapienza")27/09/2006, 16:20PosterThe Muon Detector of LHCb will be equipped with about 1380 Multi-Wire Proportional Chambers. Within the Framework of the CERN Control System Project, using PVSS as the main tool, we are developing an instrument to manage such a system. Adjustment and monitoring of High and Low Voltage power supplies, on-line diagnostics and fine tuning of the Front-End read-out devices, data...Go to contribution page
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Pavel Weber (Kirchhoff-Institut fur Physik (KIP))27/09/2006, 16:20PosterThe Pre-Processor Multi-Chip Module (PPrMCM) is the main processing block of the Pre-Processor System in the ATLAS Level-1 Calorimeter Trigger. The PPrMCM holds a dedicated signal-processing ASIC and a Phos4 timing-chip together with seven commercial dice mounted on the substrate. Those are four FADCs and three LVDS-serialisers. The PPrMCM holds the main functionality of the...Go to contribution page
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Diogo Nunes Caracinha (Faculdade de Ciencias)27/09/2006, 16:20PosterThe interface between the ATLAS Central Trigger Processor (CTP) and the sub- detectors read-out systems is done through the Local Trigger Processor modules. These modules allow each sub-system to either run in global mode when it gets the timing and trigger signals from the CTP or in local mode when it handles locally its trigger and timing signals. During the commissioning phase of the...Go to contribution page
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Massimo Manghisoni (Università degli Studi di Bergamo)27/09/2006, 16:20PosterDeep sub-micron CMOS technologies are widely used for the implementation of front-end electronics in various detector applications. The IC designers’ effort is presently shifting to 130 nm CMOS technologies, or even to the next technology node, to implement readout integrated circuits for silicon strip and pixel detectors, in view of future HEP applications. In this work the results of...Go to contribution page
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Ulrich Trunk (Max-Planck-Institut f. Kernfphysik)27/09/2006, 16:20PosterFor a new generation of 2-D neutron detectors developed in the framework of the EU NMI3 project DETNI [8], the 128-channel frontend chip n-XYTER has been developed. To facilitate the reconstruction of single neutron incidence points, the chip has to provide a spatial coordinate (represented by the channel number), as well as time stamp and amplitude information to match the data of x- and...Go to contribution page
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Magali Magne (Laboratoire de Physique Corpusculaire de Clermont-Ferrand (LPC))27/09/2006, 16:20PosterThe GPL board is an optical pattern generator for the L0 Decision Unit (L0DU). Its design is based on three FPGAs in BGA package which can send 24*16bits @ 80 MHz via 24 optical fiber link running at 1.6 Gb/s. One FPGA is used for the control of the board, via USB or through L0DU, and two processing FPGAs are used to control the optical channel. Each processing FPGA controls twelve...Go to contribution page
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Thijs Wijnands (CERN)27/09/2006, 16:20PosterA statistical summary on 6 years radiation testing for the LHC machine and experiments will be presented. The data shows that radiation tolerance assurance to cumulative damage effects was taken into account as an engineering constraint in a rather early stage in the project. The issue of Single Event Errors was only recognized as major issue at a much later stage in the project...Go to contribution page
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Pietro Antonioli (INFN - sezione di Bologna)27/09/2006, 16:20PosterThe read-out modules of the ALICE Time-of-flight (TOF) system will be hosted in custom VME crates near the apparatus in a moderately hostile environment. Commercially available options to provide remote VME connection to the crate have been considered to provide slow control functionalities. The main slow control channel will be implemented through an optical link based on the...Go to contribution page
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Ervin Denes (KFKI Research Institute for Particle and Nuclear Physics)27/09/2006, 16:20PosterThe ALICE Detector Data Link (DDL) is a high-speed optical link designed to interface the readout electronics of ALICE sub-detectors to the DAQ computers. The Source Interface Unit (SIU) of the DDL will operate in radiation environment. Tests showed that configuration loss of SRAM-based FPGA devices used on the prototype of DDL SIU card was not acceptable. We developed a new version of...Go to contribution page
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Gregory Michiel Iles (European Organization for Nuclear Research (CERN))27/09/2006, 16:20PosterA revised design of Global Calorimeter Trigger (GCT) has been implemented. The primary function of the GCT is to process the Regional Calorimeter Trigger (RCT) data and transmit a summary to the Global Trigger (GT) which computes the First Level Trigger Accept (L1A) decision. The GCT must also transmit a copy of the RCT and GCT data to the CMS DAQ. This paper presents an...Go to contribution page
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Pablo Vazquez Regueiro (Universidad de Santiago de Compostela)27/09/2006, 16:20PosterThe Inner Tracker of the LHCb experiment is a silicon microstrip detector consisting of 336 detector modules with either one or two sensors. The module production is now underway and we present here the setup employed for module testing during the production. The setup is based in the same electronics that will e used in the final experiment. We perform burning and ageing tests with...Go to contribution page
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Alexandra Dana Oltean Karlsson (Polytechnic Institute of Bucharest/CERN)27/09/2006, 16:20PosterLHC detectors and future experiments will produce very large amount of data that will be transferred at multi-Gigabit speeds. At such PCB data rates, signal- integrity effects become important and traditional rules of thumb are no longer enough for the design and layout of the traces. Simulations for signal-integrity effects at board level provide a way to study and validate several...Go to contribution page
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Jose Torres Pais (Dept. Ingenieria Electronica-Universidad de Valencia)27/09/2006, 16:20PosterThe Optical Multiplexer Board is a card included in the TileCal Data Acquisition System; it is designed to receive two optical fibers with same data from front-end boards and decided which has correct data. Inside this card we have different transmission lines that need to be studied; signal integrity problems such as signal delay, reflection, distortion and coupling should be...Go to contribution page
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Jim Brooke (H.H. Wills Physics Laboratory)27/09/2006, 16:20PosterThe CMS Global Calorimeter Trigger (GCT) control and test software is described. An object-oriented model of the GCT hardware, based on the CMS Hardware Access Library (HAL), was written in C++. The SWIG software interface generator was then used to produce a python interface to the model. This allows the hardware to be controlled from a python script or shell, providing a flexible...Go to contribution page
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Ankush Mitra (Institute of Physics, Academia Sinica, Taipei, Taiwan)27/09/2006, 16:20PosterThe CDF Run II Silicon detector is one of the largest operating Silicon detectors in high energy physics. It has 6m2 of Silicon sensors with 722,432 channels read out by 5456 chips. The Silicon detector allows precision tracking, vertexing and is used in the hardware displaced vertex trigger. The CDF silicon detector had a very challenging commissioning period of 18 months. However...Go to contribution page
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Lax Ignazio (INFN Bologna-LHCb)27/09/2006, 16:20PosterThis report presents the boards developed for the optical data transmission of the calorimeter system of the LHCb experiment and test results. We developed two types of transmission boards: the single-channel and the multi-channel ones. Multi- channel boards can be equipped with a variable number of transmitters, depending on the need, with a maximum allowed of 12 channels. Each optical...Go to contribution page
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Claudio Arnaboldi (Sezione di Milano dell'INFN and Dipartimento di Fisica dell'Università di Milano-Bicocca, P.za della Scienza 3, Milano I-20126, Italy)27/09/2006, 16:20PosterWe present the High Voltage, HV, distribution system for the Hybrid Photon Detectors (HPDs) of RICH1 and RICH2, at LHCb (484 HPDs in total). The HVs ( -20 kV, -19.7 kV and -16.4 kV) are supplied by printed circuit boards specially developed to prevent electrostatic discharges and/or corona effects using the limited available volume of the HPD arrays. The circuits that will be presented...Go to contribution page
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Anton Taurok (Institut fuer Hochenergiephysik (HEPHY)), Manfred Jeitler (Institut fuer Hochenergiephysik (HEPHY))27/09/2006, 16:20PosterThe trigger of the CMS experiment consists of two stages: the first stage, or Level-1 Trigger is implemented in hardware processors while the second stage, or High-level Trigger is implemented in software running on a computer farm. The Level-1 Trigger has to deliver a trigger decision for each LHC bunch crossing, i.e. at a rate of 40 MHz. The Level-1 Global Trigger uses objects...Go to contribution page
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Christos Zamantzas (CERN)27/09/2006, 16:20PosterThe strategy for machine protection and quench prevention of the Large Hadron Collider (LHC) at the European Organisation for Nuclear Research (CERN) is presently based on the Beam Loss Monitoring (BLM) system. At each turn, there will be several thousands of data to record and process in order to decide if the beams should be permitted to continue circulating or their safe extraction is...Go to contribution page
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Markus Friedl (HEPHY Vienna)27/09/2006, 16:20PosterThe APV25 front-end chip for the CMS Silicon Tracker has a peaking time of 50ns, but confines the signal to a single clock period (=bunch crossing) with its internal deconvolution filter. This method requires a beam-synchronous clock and thus cannot be applied to a (quasi-) continuous beam. Nevertheless, using the multi-peak mode of the APV25, where 3 (or 6,9,12,...) consecutive shaper...Go to contribution page
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Ping Gui (Southern Methodist University)27/09/2006, 16:20PosterSilicon-On-Sapphire (SOS) CMOS technology has been attractive to radiation tolerant applications. The Sapphire substrate eliminates single-event latch-up (SEL) and reduces the possibility of single event upset (SEE), but the back-channel leakage current could cause problems to circuitry made in this technology. To better understand the radiation effects in this technology and evaluate its...Go to contribution page
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Manfred Muecke (CERN)27/09/2006, 16:20PosterWe show an alternative design approach for signal processing algorithms implemented on FPGAs. Instead of writing VHDL code for implementation, and maintaining a C-model for algorithm evaluation, we derive both models from one common source allowing generation of synthesizeable VHDL and cycle- and bit-accurate C-Code. We have tested our approach on the LHCb VELO pre-processing...Go to contribution page
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Jan Knopf (Ruprecht-Karls-Universitat Heidelberg)27/09/2006, 16:20PosterThe OTIS-TDC is a 32 channel time to digital converter chip developed in Heidelberg for the LHCb Outer Tracker experiment. Designed in a 0,25 $\mu m$ CMOS process, it can measure times with a resolution better than 1\,ns. As the chip is directly mounted to its board, the test have to be performed on the wafer itself. As the testing period for 7\,000 chips was only three weeks, many test...Go to contribution page
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