Prof.
Pier Andrea Mando`
(Università di Firenze and INFN)
06/07/2011, 09:10
Talk
Dr
Daniel Esperante Pereira
(Universidade de Santiago de Compostela, Spain)
06/07/2011, 09:30
Talk
The LHCb experiment is one of the four big experiments at the Large Hadron Collider (LHC) and it is designed to perform high-precision measurements of CP violation and search for New Physics. It is constructed as a forward single-arm spectrometer covering the polar angle 15-300 mrad. The Silicon Tracker (ST) of LHCb is a silicon micro-strip detector designed to perform a precise measurement of...
Dr
Derek Strom
(University of Illinois at Chicago)
06/07/2011, 09:50
Talk
The CMS tracker is the largest silicon detector ever built, covering 200 square meters and providing an average of 14 high-precision measurements per track. The use of tracker data for reconstruction of charged particles and primary and secondary vertices requires fine-grained monitoring and calibration procedures as well as accurate alignment. Results from timing and threshold optimization,...
Dominic Hirschbuehl
(Wuppertal)
06/07/2011, 10:10
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle tracks in the high radiation environment close to the collision region. This capability is vital for the identification and measurement of proper decay times of long-lived particles such as b-hadrons, and thus vital for the...
Mr
Matthew Chan
(Massachusetts Institute of Technology)
06/07/2011, 10:30
The CMS tracker is the largest silicon detector ever built, covering 200 square meters and providing an average of 14 high-precision measurements per track. Data from proton-proton collisions at a center-of-mass energy of 7 TeV are used to measure the performance of the detector and the reconstruction algorithms. The resolution and efficiency of the track, vertex, and beam line reconstruction...
Dr
Attilio Andreazza
(Università di Milano and INFN)
06/07/2011, 11:40
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. It consists of 1744 silicon sensors equipped with approximately 80 M electronic channels, providing typically three measurement points with high resolution for particles emerging from the beam-interaction region, thus allowing to measure particle tracks and secondary vertices with...
Ernesto Migliore
(University of Torino and INFN)
06/07/2011, 12:20
Talk
The CMS Silicon Tracker consists of 16’588 modules covering an area of more than 200m2. To achieve an optimal track-parameter resolution, the position and orientation of the modules must be determined with a precision of a few microns and an accurate representation of the distribution of material in the tracker is needed. Results of the alignment of the tracker are presented, based on the...
Dr
Salvador Marti`-Garcia
(IFIC-València (UVEG-CSIC))
06/07/2011, 12:40
The ATLAS experiment at the LHC is equipped with a charged particle tracking system,
the Inner Detector, built on three subdetectors, which provide high precision
measurements made from a fine detector granularity. The Pixel and microstrip (SCT)
subdetectors, which use the silicon technology, are complemented with the Transition
Radiation Tracker.
Since the LHC startup in 2009, the ATLAS...
Dr
Luca Baldini
(INFN -Pisa)
06/07/2011, 15:00
Talk
The Large Area Telescope (LAT) is the main instrument onboard the Fermi Gamma-ray Space Telescope, an orbital observatory launched in low-Earth orbit on June 11 2008 to survey the high-energy gamma-ray sky. The LAT tracker/converter serves the twofold purpose of converting the incoming gamma-ray into an electron-positron pair and tracking the latter in order to measure the original photon...
Mr
Matteo Duranti
(Università di Perugia and INFN)
06/07/2011, 15:20
The Alpha Magnetic Spectrometer (AMS-02) is a high-energy physics experiment operating in space on the International Space Station since the 16th of May. Thanks to a large acceptance and a data taking period of, at least, 10 years, AMS-02 will measure over 1010 charged particles in the rigidity range 500 MV - 2 TV. AMS-02 is able to measure the energy spectrum of the cosmic ray components...
Prof.
Piero Spillantini
(INFN e Univerità di Firenze)
06/07/2011, 15:40
GAMMA-400 is a space mission included in the Russian Federal Space Program and supported by the Russian Federal Space Agency. The main characteristics of the mission are a high elliptical orbit (initial parameters: perigee 500 km, apogee 300 000 km), a total mass for the scientific payload of 2600 kg, and a power budget for the instrument of 2 kW. The experiment is intended to improve the...
Dr
Valeria Sipala
(INFN Catania and Dip. Fisica Univ Catania, Italy)
06/07/2011, 16:00
Talk
Proton Computed Tomography (pCT) is a medical imaging method based on the use of proton beams with kinetic energy of the order of 250 MeV, aimed at directly measuring the stopping power distribution of tissues (presently calculated from X-rays attenuation coefficients) to improve the accuracy of treatment planning in hadron therapy. A pCT system should be able to measure tissue electron...
Dr
Domenico Lo Presti
(University of Catania)
06/07/2011, 16:20
Talk
In this paper we describe a new detection system both for tracking and measurement of the residual range, designed and developed with the aim of achieving real-time imaging, large detection areas with high space and time resolutions. The tracker has been designed and tested as a prototype, with a large area of 20 x 20 sqcm, consisting in two ribbons of scintillating fibers positioned in the...
Cinzia Talamonti
(INFN Firenze, Dipartimento di Fisiopatologia Clinica Univ. Firenze and Azienda Ospedaliera Universitaria Careggi Firenze,Italy)
06/07/2011, 16:40
Talk
We present first results of a project devoted to the development of a large-area modular detector for intensity modulated radiotherapy based on high – quality polycrystalline diamond produced by Chemical Vapour Deposition. The work is performed in the framework of the DIAPIX project of INFN CSN5. The proposed modular system is based on an electronic-grade quality polycrystalline diamond...
Dr
Monica Scaringella
(Univeristà di Firenze)
07/07/2011, 09:00
Talk
To harvest the maximum physics potential of the LHC, it is foreseen to significantly increase the luminosity by upgrading towards the HL-LHC (High Luminosity LHC). This will mean unprecedented radiation levels, exceeding the LHC fluences tenfold. Due to radiation damage to the silicon sensors presently used, the physics experiments will require new tracking detectors. Within the CERN RD50...
Giuliano Parrini
(INFN-FI and Università degli Studi Firenze)
07/07/2011, 09:20
Silicon and its technology are the reference points in the sensor/electronics fields. Anyway niche sectors exist where Diamond plays either a competitive or an exclusive role with respect to Silicon. Broadly speaking, sensors placed near the accelerator beams, biological Multi Electrode Arrays (MEA) and neuro-prosthesis applications are such sectors.
In these last years the rise of laser...
Dr
Riccardo Mori
(INFN Firenze and Dip Energetica Univ. Firenze)
07/07/2011, 09:40
Investigation on the influence of defect states on the electrical properties of disordered semiconductor materials is strategic in the perspective of increasing the efficiency of devices in several application fields as clinical radiotherapy (a-Si, polycrystalline diamond..), solar cells ( a-Si, nanostructured TiO2, .. ) , particle detectors (Si, SiC ...). It is well known that materials used...
Mr
Joachim Erfle
(University of Hamburg)
07/07/2011, 10:00
Talk
CMS started a campaign to identify the future silicon sensor technology baseline for a new Tracker for the high-luminosity phase of LHC. We ordered a large variety of 6” wafers in different thicknesses and technologies at HPK. Thicknesses ranging from 50µm to 300µm are explored on floatzone, magnetic Czochralski and epitaxial material both in n-in-p and p-in-n versions. P-stop and p-spray are...
Jose Bernabeu
(IFIC - Insituto de Fisica Corpuscular (CSIC-UV))
07/07/2011, 10:20
Talk
While the Large Hadron Collider (LHC) at CERN is continuing to deliver an ever-increasing luminosity to the experiments, plans for an upgraded machine called Super-LHC (sLHC) are progressing. The upgrade is foreseen to increase the LHC design luminosity by a factor ten. The ATLAS experiment will need to build a new tracker for sLHC operation, which needs to be suited to the harsh sLHC...
Dr
Giovanni Marchiori
(LPNHE Paris)
07/07/2011, 11:10
To extend the physics reach of the LHC, upgrades to the accelerator are planned which will increase the peak luminosity by a factor 5 to 10. To cope with the increased occupancy and radiation damage, the ATLAS experiment plans to introduce an all-silicon inner tracker with the HL-LHC upgrade. For radiation damage reasons, only electron-collecting sensors designs are considered (n-in-p and...
Dr
Claudia Gemme
(INFN Genova)
07/07/2011, 11:30
The upgrades for the ATLAS Pixel Detector will be staged in preparation for high luminosity LHC. The first upgrade for the Pixel Detector will be the construction of a new pixel layer which will be installed during the first shutdown of the LHC machine, foreseen in 2013-14. The new detector, called the Insertable B-layer (IBL), will be installed between the existing Pixel Detector and a new,...
Mr
Julien Mekki
(CERN)
07/07/2011, 11:50
Talk
The ‘Large Hadron Collider (LHC) is a complex radiation environment consisting of several particles types at different energies. The RadMon detector is conceived to measure the radiation effects on the electronics in the LHC tunnel and its adjacent shielded areas in order to monitor the radiation levels, anticipate possible device degradation and identify instantaneous failures of the...
Mr
Simone Bianco
(HISKP, Bonn Universität)
07/07/2011, 12:10
Talk
A tracking station composed of silicon strip sensors has been designed, built and tested.
It is a beam telescope equipped with four boxes containing single-sided and double-sided silicon strip sensors.
The boxes can be moved along the longitudinal direction and one module can be rotated changing the incident angle of the beam. These features allow studying in detail the effects of changes...
Dr
gerardus nooren
(utrecht university / nikhef)
07/07/2011, 12:30
Talk
Calorimetry at small forward angles at the LHC poses several challenges. The particle density is very high, especially in Pb-Pb. Further, in the electromagnetic case the discrimination of photons and pi0 requires extremely fine granularity due to the small angle between the decay photons of the pion.
We present a design of a silicon - tungsten calorimeter with Monolithic Active Pixels as...
Oleksandr Starodubtsev
(FI)
08/07/2011, 09:30
In these last few years, Silicon Photomultipliers (SiPMs) have become a very popular in the detector research community because of their promising new features.
These novel photo-detectors promise to deliver high quantum efficiency, wide spectral range, low noise coupled to high gains (105-106), and very fast time response. Our group is currently evaluating and designing new devices for...
Dr
Mark Grimes
(University of Bristol)
08/07/2011, 09:50
The luminosity upgrade of the Large Hadron Collider is foreseen to proceed in two phases. An eventual factor-of-ten increase in LHC statistics will have a major impact in the LHC Physics program. However, the HL-LHC as well as offering the possibility to increase the physics potential will create an extreme operating environment for the detectors, particularly the tracking devices and the...
Dr
Stefano Bettarini
(Università di Pisa and INFN)
08/07/2011, 10:10
The SuperB asymmetric e+e- collider has been recently approved
by the Italian Government and within few years with a luminosity two orders of magnitude greater than past B-Factories, it is expected to
start the study of rare B and D meson decays, where New Physics might show up, and lepton flavour violation in tau decays, profiting from polarized beam.
Due to the reduced center of mass...
Mr
Andreas Ritter
(Max-Planck-Institute for Physics - Semiconductor laboratory)
08/07/2011, 11:20
Talk
For the upgrade of the Belle II detector DEPFET (Depleted p-channel field effect transistor) pixels are foreseen for the two innermost layers of the vertex detector. As a MOS device, the DEPFET is susceptible to ionizing radiation, which will be created near the interaction point.
One effect of ionizing radiation is the build-up of positive charge in the oxide insulation layer near the...
Mr
Benjamin Schwenker
(Universität Göttingen)
08/07/2011, 11:40
The B factories BABAR and Belle made important contributions to our understanding of CP violation and confirmed the CKM mechanism. In more than ten years of successful operation, the Belle experiment at the asymmetric e+e- collider KEKB recorded about 10^9 BBbar decays and achieved a world record luminosity of 2.11x10^34/cm^2s. The Belle II collaboration plans to upgrade the KEKB accelerator...
Dr
Sara Garbolino
(Università di Torino and INFN)
08/07/2011, 12:00
The Gigatracker (GTK) is a hybrid silicon pixel detector developed for NA62, the experiment studying ultra-rare kaon decays at the CERN SPS. Three GTK stations will provide precise momentum and angular measurements on every track of the high intensity NA62 hadron beam with a time-tagging resolution of 150 ps. Multiple scattering and hadronic interactions of beam particles in the GTK has to be...
Mr
Henry Brown
(University of Liverpool)
08/07/2011, 12:20
Talk
LHCb is a dedicated experiment to study new physics in the decays of beauty and charm hadrons at the Large Hadron Collider (LHC) at CERN. The beauty and charm hadrons are identified through their flight distance in the Vertex Locator (VELO), and hence the detector is critical for both the trigger and offline physics analyses. The VELO is the highest resolution vertex detector at the...
Mr
Advait Nagarkar
(The Ohio State University)
08/07/2011, 15:00
Talk
We investigate the feasibility of using VCSEL and PIN arrays in the optical links for the planned upgrades of the detectors at the LHC, CERN. We irradiated high-speed VCSEL (Vertical-Cavity Surface-Emitting Laser) and PIN arrays with 24 GeV/c protons at CERN and 300 MeV/c pions at PSI up to the equivalent dose of a few 10^15 1-MeV neq/cm^2. The arrays irradiated were fabricated by Finisar,...
Prof.
K.K. Gan
(The Ohio State University)
08/07/2011, 15:20
Talk
The LHC at CERN is currently the highest energy and luminosity hadron collider. To take advantage of the physics offered by this new frontier, the ATLAS experiment plans to add a new pixel layer to the current pixel detector during the 2013 shutdown. The optical data transmission system will also be upgraded to handle the higher data transmission speed. Two ASICs have been prototyped for this...
Michael Ziolkowski
(University of Siegen, Physics Department, D-57068 Siegen, Germany)
08/07/2011, 15:40
A multi-channel optical receiver board housing a PiN array coupled to an amplifier-and-decoding ASIC designed in 130 nm CMOS process for bi-phase-mark encoded input signals, was exposed to a proton beam of 24 GeV/c momentum together with a reference receiver board containing the same ASIC coupled to an electrical input-signal-source instead. The 40 MHz clock and 40 Mbit/s data signals supplied...
Dr
Alberto Stabile
(INFN and University in Milan)
08/07/2011, 16:30
As the LHC luminosity is ramped up to the design level of 1x1034 cm−2 s−1 and beyond, the high rates, multiplicities, and energies of particles seen by the detectors will pose a unique challenge. Only a tiny fraction of the produced collisions can be stored on tape and immense real-time data reduction is needed. An effective trigger system must maintain high trigger efficiencies for the most...
Dr
Matteo Beretta
(Laboratori Nazionali di Frascati (LNF))
08/07/2011, 16:50
The FastTracKer (FTK) is a dedicated hardware system able to perform online fast and precise track reconstruction of full events in the Atlas experiment within an average latency of a few dozen microseconds. It consists of two pipelined processors: the Associative Memory (AM), which finds low precision tracks called “roads”, and the Track Fitter (TF), which refines the track quality with high...
Dr
Yosuke Takubo
(KEK)
08/07/2011, 17:10
Talk
The inner tracker of the ATLAS detector will be replaced at the future upgrade to keep the performance at high luminosity operation. We have been developing super-module concept for the upgrade, based on double-sided silicon strip modules. In the super-module concept, one super-module consists of 12 double-sided modules and one double-sided module has 80 readout ASICs which read 128 strips per...
Mrs
Marzieh Anjomrouz
(IAU, Science and Research Branch, Tehran, IRAN)
Talk
Cosmic radiation consist of Galactic Cosmic Ray (GCR) and Solar Particle Events (SPE), affect on electronic devices. Because of their high energy and fluence, space radiation can induced a kind of long term radiation damage mechanism, so called “displacement damage”. Therefore the silicon detectors exhibit macroscopic changes in their electrical characteristics which lead to a degradation in...
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