Mr
Asimakis Asimidis
(University of Ioannina)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
A portable PC-based X-ray imaging system has been developed based on
a 2D silicon microstrip detector and particle physics readout
electronics. The sensor is housed in a specially built hybrid, which
also hosts the front-end electronics. This hybrid is attached to the
PC with a flat cable which makes it a flexible probe. The hybrid,
including the sensor was developed earlier in the...
Mr
Steven Plank
(University of Edinburgh)
15/09/2005, 10:30
Applications in Space Science
Contributed Poster
DRIFT (Directional Recoil Identification From Tracks)
is a Time Projection Chamber (TPC) that can provide
directional signature. As the Earth rotates and revolves
around the Sun a diurnal and annual signal modulation
could be detected as a result of relative motion between
the Earth and a non-rotating WIMP halo - providing
very strong background discrimination.
Currently operational and...
Mr
Amir Intisar
(School of Engineering and Design, Brunel University)
15/09/2005, 10:30
Applications in Astronomy and Astrophysics
Contributed Poster
We describe an instrument concept using Charge Coupled Devices (CCDs) capable of
simultaneously recording the X-ray diffraction (XRD) and X-ray fluorescence (XRF)
information from a sample. The instrument concept uses deep depletion CCDs in
photon counting mode which can efficiently detect X-rays from 0.5-10 keV. One such
instrument under study, named Mars-XRD, is a miniature XRD \...
Dr
Masaki Kataigiri
(Japan Atomic Energy Research Institute)
15/09/2005, 10:30
Novel Gas-based Detection Techniques
Contributed Poster
We have been developing a neutron imaging gas detector with a high
spatial resolution and with a high temporal response for the neutron
scattering instruments at the pulsed neutron source in the Japan
proton accelerator research complex.
To meet the requirements for the instruments for neutron
reflectometory or for small angle neutron scattering, where a
spatial resolution of...
Dr
Michael Karagounis
(Universitaet Bonn)
15/09/2005, 10:30
Applications in Particle Physics
Contributed Poster
An ASIC capable of counting individual hits on a silicon microstrip
detector used in a Compton polarimeter has been developed. Laser
photons backscattered off an incident high-energy electron beam in
the 3.5GeV electron stretcher ring ELSA at Bonn university are pair
converted in a lead convertor and then detected on a silicon strip
sensor. The sensor is read out by a mixed-signal...
Dr
Kazuhiro Nakazawa
(Department of High Energy Astrophysics, ISAS/JAXA, Japan)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
Compton cameras are the most promising approach for gamma-ray
detection from several tens keV to several MeV. High energy
resolution and position resolution are of particular importance to
obtain high angular resolution, and hence clear images. We are
developing new Compton cameras using Si and CdTe semiconductor
position-sensitive detectors. Si is suitable for a scatterer...
Mr
Atsushi Takada
(Kyoto University)
15/09/2005, 10:30
New Gas-based Tracking Detectors
Contributed Poster
A Micro Pixel Chamber, called “-PIC”, is a gaseous 2D imaging
detector with a fine pixel electrode based on the Printed Circuit
Board technology, and we developed it for the X/gamma-ray imaging
and the tracking of the charged particles [1]. The previous -PIC
has a fine position resolution (RMS ~120m), a high gas gain (Max
~15000), good gas gain uniformity (4.5% RMS) and the...
Prof.
R.Ferreira Marques
(Laboratório de Instrumentação e Física Experimental de Partículas , Portugal)
15/09/2005, 10:30
Pixel Detectors for Charged Particles
Contributed Poster
Timing Resistive Plate Chambers (tRPCs) are planar gaseous detectors
made with resistive electrodes, accurately spaced, that define very
thin gas gaps. Such detectors are known to provide timing accuracies
around 50 ps sigma for minimum ionizing particles.
In practice, the counting rate capability of RPCs is strongly
conditioned by the availability of suitable resistive materials...
Mr
Ferran Fernandez Banque
(LLS, Barcelona, Spain)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
One of the most known 2D X-ray detectors is the MWPC (Multiwire
Proportional Counter). This is a 2D position sensitive gas detector
based in the proportional chamber. It consists of a frame with
parallel wires which form a plane (anode) sandwiched between two
cathodes planes formed also by parallel wires.
In this job, we describe a complete solution to manufacture anodes
and...
Mr
James Parkin
(University of Surrey)
15/09/2005, 10:30
New Solid-State Detector Technology
Contributed Poster
Cadmium Manganese Telluride is a semiconductor material that has
previously been used as IR detectors, visible and near-IR lasers and
solar cells. However, despite its promising properties for radiation
detection, it has so far seen little investigation in this area.
Samples have been grown that show high resistivity (> 1010 Ωcm) and
high μτ (>10-6 cm2/V) [1]. It has also been shown...
Dr
Junko Kohagura
(Plasma Research Centre, University of Tsukuba)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
Two- or three-dimensional X-ray tomographically reconstructed data
analyses by the use of multichannel silicon semiconductor detectors
play an important role in investigating plasma electron behaviour in
controlled thermonuclear fusion research. However, recent harsh
radiation environments in fusion experiments with deuterium-tritium
(D-T) and/or deuterium-deuterium (D-D) reactions...
Mr
James Carpenter
(Space Research Centre, University of Leicester)
15/09/2005, 10:30
Applications in Space Science
Contributed Poster
Modern microchannel plate detectors exhibit low quantum efficiency
in the extreme ultra violet range (100-1000 Å) compared to those
manufactured before 1990. The cause of this reduction in efficiency
is unknown. We describe recent investigations into the variation of
surface composition along the channels of a number of MCPs
exhibiting high and low efficiency. These compositional...
Mr
Kenji Shimazoe
(Department of Quantum Engineering and Systems Science, University of Tokyo, Japan)
15/09/2005, 10:30
New Techniques for Positron Emission Tomography
Contributed Poster
We have designed and fabricated 10 channel/6bit waveform sampling
ASICs using ROHM 0.35 um CMOS technology. This chip was designed for
GSO-APD gamma-ray detector and provides a function of “waveform
recording” at a sampling frequency of 100MHz. This chip has
10channel inputs and each channel has preamp/variable gain
amplifier/6-b folding ADC. The folding ADC greatly reduces the...
Suzanne Crittell
(University of Liverpool)
15/09/2005, 10:30
Applications in Nuclear Medicine And Radiology
Contributed Poster
The aim of this experiment was to use the Diffraction-Enhanced
Imaging (DEI) system at Daresbury, which has recently upgraded with
new Channel-cut crystals to produce images of mice’s feet. There
were two types of mice’s feet used, normal and arthritic. The two
types of sample were imaged and compared in order to determine
whether it was possible to detect the changes in cartilage...
Mr
Neil Murray
(Brunel University)
15/09/2005, 10:30
Applications in Astronomy and Astrophysics
Contributed Poster
The need for reducing CCD readout noise is highly relevant in X-Ray
astronomical detectors such as those proposed for the ESA XEUS
mission.
Digital sampling and filtering of a CCD's output using an ADC and DSP
or FPGA is presented to reduce the effects of readout noise and lower
system complexity. Correlated double sampling is used to resolve individual
pixel charge values, with the...
Dr
Giulio Pellegrini
(Univ. Autonoma de Barcelona, Spain)
15/09/2005, 10:30
Applications in Nuclear Medicine And Radiology
Contributed Poster
Charge sharing is an important factor to be considered in pixel
detector design for single-photon counting electronics. Its effect
on such devices, if proper adjustment of the pixel threshold is not
performed, is to give rise to false counts in the pixels
neighbouring the hit one. Nevertheless, it is difficult to evaluate
or measure, as single-photon counting electronics do not give...
Prof.
Bob Ott
(University of Surrey, Rutherford Appleton Laboratories and the Institute of Cancer Research)
15/09/2005, 10:30
Applications in Nuclear Medicine And Radiology
Contributed Poster
The PETRRA positron camera is a novel, large-area positron camera
based on coupling barium fluoride crystals to a multiwire
proportional chamber filled with a photosensitive vapour, tetrakis-
dimethylamino ethylene (TMAE). The present camera consist of two
detectors each with 600mm x 400mm sensitive area containing sheets
of 1cm thick crystals. This camera has a spatial resolution of...
Mr
Andrzej Kotarba
(Polish Academy of Sciences)
15/09/2005, 10:30
Applications in Particle Physics
Contributed Poster
A position sensitive scintillator strip detector used for the
Luminosity Monitor of the ZEUS experiment is described. The detector
readout based on the R7400 photomultipliers is presented. It offers
satisfactory spatial resolution of 3 mm and a good signal to noise
ratio that allows to run at the rate up to 10 MHz. The data obtained
with the position detector are used for luminosity...
Dr
Fred Ruddell
(Northern Ireland Semiconductor Research Centre)
15/09/2005, 10:30
New Solid-State Detector Technology
Contributed Poster
There are a number of position sensitive detector applications where
there is a requirement for an imaging device which has enhanced
response in the near infra-red spectrum (0.77µm to 1.5µm). Although
infra-red detectors are fabricated using III-V and HgCdTe materials,
integration with silicon readout circuitry is not easily achievable,
often relying on bump-bonding technology. ...
Dr
Robert Page
(University of Liverpool)
15/09/2005, 10:30
Applications in Nuclear Physics
Contributed Poster
GREAT is a Position Sensitive Spectrometer for Studying Exotic Nuclei. It is a
detector designed for use in the focal plane of Gas Filled Recoil Separators. The
detector system measures alpha, beta, gamma, protons and electron decays of separated
fusion products. The GREAT detector consists of a multi-wire proportional counter, 28
Si PIN diodes, two 60x40mm double sided silicon strip...
Dr
Dhiren Kataria
(Mullard Space Science Laboratory, University College London)
15/09/2005, 10:30
Applications in Space Science
Contributed Poster
Position sensitive micro-channel plate detectors are attractive for
space plasma instruments but have a number of limitations. Most of
the techniques have limited global rate handling and require the MCP
to run at high gain with MCP lifetime implications. In addition,
available mass and power resources limit the number of channels of
readout electronics.
A fast position sensing...
Dr
Masaki Katagiri
(Japan Atomic Energy Research Institute)
15/09/2005, 10:30
Applications in Nuclear Physics
Contributed Poster
High-intensity pulsed neutron sources have made a great deal of
progress at Japan (J-PARC project), U.S.A. (SNS project), and UK
(ISIS-II project). The specifications required for neutron imaging
detectors used at these facilities are a high-position resolution,
high-detection efficiency, a high counting rate, a high n/ ratio,
etc. Especially the detectors which exhibit a...
Prof.
Robert Lewis
(Monash University, Australia)
15/09/2005, 10:30
Applications in Nuclear Medicine And Radiology
Contributed Poster
The instrumentation group within Monash Centre for Synchrotron
Science (MCSS) and the Co-operative Research Centre for Biomedical
Imaging Development (CRC BID) are developing detectors for medical,
industrial, synchrotron and other scientific applications. A seven
year project has been initiated to develop hybrid pixel detectors
for medical radiography. The device will comprise an...
Mr
Andrea Fant
(Rutherford Appleton Laboratory)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
The I-ImaS (Intelligent Imaging Sensors) is an EU project whose
objective is to design and develop intelligent imaging sensors and
evaluate their use within an adaptive medical imaging system,
specifically tailored to Mammography and Dental Radiology. The
system will employ an in-line scanning technology approach and
proposes the use of CMOS active pixels sensors. The I-Imas system...
Dr
Anatloy Maltsev
(JINR, Russia)
15/09/2005, 10:30
Detectors for Synchrotron Radiation and Spillation Neutron Sources
Contributed Poster
The methods and detectors for nondestructive diagnostics and study
of charged
particles of bunches or beams (electron, electron-ion, proton) are
submitted
in this paper. The methods of based on the use of relativistic
particles
synchrotron radiation in a wide spectral range, from the ultraviolet
to the
far long-wave infrared region [1, 2].
Methods for measuring and estimating...
Dr
Serena Mattiazzo
(University of Padova, Dept. of Physics & INFN Padova)
15/09/2005, 10:30
Applications in Nuclear Physics
Contributed Poster
At the INFN Legnaro Laboratories (Padova, Italy) a new instrument
dedicated to the study of induced radiation damage in
microelectronics devices has been recently installed in the SIRAD
beam line, a facility devoted to heavy ion characterization of
microelectronics devices and materials. This new instrument consists
of an electronic microscope capable of recognizing with micrometric...
Dr
Peter Kodys
(Institute of Particle and Nuclear Physics, Charles University)
15/09/2005, 10:30
Pixel Detectors for Charged Particles
Contributed Poster
This presentation collects experiences from tests of ATLAS end cap
SCT
modules using infrared semiconductor laser on 1060 nm wavelenght.
Sophisticated method of focusing was developed. Timing and interstrip
properties of modules were measured.
Tests of silicon sensors simulate real experimental conditions and
check
important detector properties. Laser tests have good time and...
Dr
Kamil SEDLAK
(University of Oxford)
15/09/2005, 10:30
Applications in Particle Physics
Contributed Poster
The ATLAS SCT (semiconductor tracker) is a major component of the
inner detector being built for the ATLAS experiment at LHC. It
comprises 2112 barrel modules mounted on four concentric barrels of
length 1.6m and up to 1m diameter, and 1976 endcap modules supported
by a series of 9 wheels at each end of the barrel region, giving a
total silicon area of 60m2.
At The University of...
Dr
Anatoly Maltsev
(JINR, Russia)
15/09/2005, 10:30
Detectors for Synchrotron Radiation and Spillation Neutron Sources
Contributed Poster
Results are presented of measurements of the equilibrium
radius and the minor cross-section sizes of the ring-shaped electron
bunch.
A multichannel diagnostic system based on measurement of the
synchrotron
radiation and disigned for investigation of the dynamics of the
electron
ring compression is described.
The system includes an optical channel; an infrared radiation
detector;...
Mr
Hugo Natal da Luz
(University of Coimbra)
15/09/2005, 10:30
New Gas-based Tracking Detectors
Contributed Poster
MicroHole and Strip Plate detector (MHSP) has an intrinsic
capability for position detection. This new gaseous multiplier conceived as a
combination of an MSGC and GEM in a single, double sided element, integrates two
successive independent stages of charge amplification, a GEM-like hole-avalanche
and an MSGC-like anode-strip avalanche. Like the GEM, the MHSP
is fabricated with...
Dr
Tanja Palviainen
(Lappeenranta University of Technology, Finland)
15/09/2005, 10:30
Applications in Particle Physics
Contributed Poster
Detectors for n-type silicon with an n+ -type guard ring have been
investigated. The Si detectors in high-energy physics experiments
require a reliable performance in irradiation conditions. Minimizing
dead wafer space is an additional advantage as it enhances the
efficiency of a detector [1]. The guard ring technique has evolved
to minimize this dead space at the edge of the...
Dr
J.C. Bourgoin
(Université Pierre et Marie Curie)
15/09/2005, 10:30
New Solid-State Detector Technology
Contributed Poster
Self-supported thick (larger than 200 microns), non intentionally doped, epitaxial
GaAs layers are good candidates for X-ray imaging for the following reasons. Their
electronic properties are homogeneous over large areas (4 inches diameter), they
can be grown at low cost, the technology to realize pixel detectors of any size is
standard, the defect concentration is very low and the...
Mr
Dale Philips
(Monash University, Australia)
15/09/2005, 10:30
Applications in Nuclear Medicine And Radiology
Contributed Poster
The Monash Centre for Synchrotron Science (MCSS) Instrumentation
Group is working on various detector designs for biomedical imaging
and synchrotron use. The development of orthogonal planar strip HPGe
detectors offers advantages of good energy and x,y,z-axis position
resolution of gamma ray interactions. The efficiency in terms of
photoelectron absorption type events is quite low...
Mr
Ferran Fernandez Banque
(LLS, Barcelona, Spain)
15/09/2005, 10:30
Novel Gas-based Detection Techniques
Contributed Poster
Micro pattern gas detectors (MPGD) could become suitable devices to
carry out time-resolved X-ray diffraction experiments in the sub-
millisecond time scale at synchrotron radiation facilities. This is
because the small anode-cathode distances in these devices allow
short ion drift times, thus reducing one of the most important count
rate limitations, i.e. space charge effects. This...
Dr
Jon Lapington
(Space Research Centre, University of Leicester)
15/09/2005, 10:30
Applications in Space Science
Contributed Poster
Simulation of detector operation can be a valuable tool in optimizing
design before recourse to cutting metal, and if successful, can
significantly reduce the requirement for design iteration. This paper
describes this process as applied to the reduction of spatial non-
linearities in electronic charge division readout devices.
Several theoretical analyses of the non-linearities...
Dr
Junko Kohagura
(Plasma Research Centre, University of Tsukuba)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
Recent findings of the importance of radially sheared electric-field
formation in plasmas enhance the requirements of spatial-profile
measurements of ion-confining potentials and ion-current signals
simultaneously. For instance, the frequency analyses of end-loss ion-
energy spectrometer arrays (IES) signals show the existence of
electron drift waves, giving a peaked structure over a...
Dr
Anatoly Maltsev
(JINR, Russia)
15/09/2005, 10:30
Detectors for Synchrotron Radiation and Spillation Neutron Sources
Contributed Poster
The special high-vacuum windows and optical systems for the
conclusion from
the accelerator of synchrotron radiation and focusing it on the
detector are
submitted in this review [1,2]. The results of account and research
of optical
system are described punctually. There are examples of practical use
of
a broad-band long-focus optics with precision by integrated and...
Mr
Noriaka Tawa
(Osaka University)
15/09/2005, 10:30
Applications in Astronomy and Astrophysics
Contributed Poster
We developed a new photon-counting device for
X-ray in the 0.1-100 keV energy range. The new
device is an X-ray charge-coupled device (CCD) on
which scintillator is directly deposited. It is called
a scintillator-deposited CCD (SD-CCD). Low energy
X-rays (0.1-10 keV) can be directly detected by
the CCD while high energy X-rays (10-100 keV) pass
through it into the scintillator where...
Celeste Fleta
(Centro Nacional de Microelectrónica)
15/09/2005, 10:30
Pixel Detectors for Charged Particles
Contributed Poster
One of the technological challenges of the fabrication of n-in-p and
n-in-n microstrip silicon detectors is to obtain a good insulation
of the n-strips while ensuring a satisfactory electrical performance
of the devices. A common practice to avoid the formation of the
conductive electron layer at the oxide-silicon interface is the
definition of p-type zones ("p-stops") that surround...
Mr
Jerome Beucher
(Ecole des Mines de Nantes)
15/09/2005, 10:30
Novel Gas-based Detection Techniques
Contributed Poster
We report on gain and discharge rate measurements with micro-pattern
gaseous detectors using micro-meshes. Some geometrical
configurations of Parallel Ionization Multiplier (PIM) and
MICROMEGAS, operated with Ne+10%CO2 gas mixture, are considered.
Tests have been performed on the T9 proton-pion beam facility at
CERN.
For MICROMEGAS configurations, the discharge rate, greater...
Mr
Francisco Neves
(University of Coimbra)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
Liquid xenon has been recognised as a promising medium for direct
detection of hypothetical
Weakly Interactive Massive Particles. Therefore, investigation of
the response of liquid xenon to
nuclear recoils and g-rays is of primary importance.
In particular, we have recently measured the relative scintillation
efficiencies of liquid xenon for
these two particles by irradiating a...
Prof.
Robert Lewis
(Monash University, Australia)
15/09/2005, 10:30
New Techniques for Positron Emission Tomography
Contributed Poster
The SmartPET collaboration is investigating the e_cacy of using two
planar High-Purity Germanium (HPGe) double-sided strip detectors as
a Compton imaging Positron Emission Tomography (PET) system. Monte
Carlo simulations suggest that a large proportion of interactions
within the detectors will occur within a small spatial and temporal
window, introducing signi_cant ambiguities within...
Dr
Anatoly Maltsev
(JINR. Dubna)
15/09/2005, 10:30
Detectors for Synchrotron Radiation and Spillation Neutron Sources
Contributed Poster
Results of measuring the equilibrium radius and dimensions of the
small cross section of the electron ring bunch are presented. The
description of multi-channel sistem for investigation of dynamics of
the electron ring compression by synchrotron radiation is given. The
system consists of an optical channel, infrared radiation detector, a
unit of amplifiers, electronics of monitoring...
Mr
Gabriele Segneri
(INFN Pisa and Università di Pisa, Italy)
15/09/2005, 10:30
Applications in Particle Physics
Contributed Poster
An LHC upgrade with a luminosity increase of one order of magnitude
has been recently envisaged. In this scenario, silicon detectors
produced according to the present technologies would not withstand
the increased radiation fluences.
Magnetic Czochralski silicon (MCz) can be a promising solution for
future experiments due to its high intrinsic oxygen concentration,
which improves...
Dr
Kan-Cheung Cheung
(Daresbury Laboratory)
15/09/2005, 10:30
Detectors for Synchrotron Radiation and Spillation Neutron Sources
Contributed Poster
Gas filled multi-channel detectors are ideally suited for x-ray
applications that require photon counting and position sensitivity.
This type of proportional counters is superior in time resolving
experiments where low dark noise and microseconds resolution are
essential, eg. SAXS/WAXS for investigating polymer formation and XRD
for studying mineral crystal growth. Gas Micro Strip...
Mr
David Scraggs
(University of Liverpool)
15/09/2005, 10:30
New Techniques for Positron Emission Tomography
Contributed Poster
The smartPET project is an attempt to use high purity germanium
detectors for use in positron emission tomography (PET). The current
spatial resolution of PET using BGO and LSO detectors is ~5mm, and
the smartPET project aims to improve spatial resolution to 1mm. Two
planar Germanium detectors with dimensions of will be used in
coincidence; these detectors are pixelated by means of...
Mr
Matthew Dimmock
(University of Liverpool)
15/09/2005, 10:30
Applications in Nuclear Physics
Contributed Talk
High-precision g-ray spectroscopy is currently the most powerful
tool that can be used to investigate the structure of a nucleus
under extreme conditions. High Purity Germanium (HPGe) detectors
with their excellent energy resolution and good timing resolution
have been the main ‘work horse’ in this field.
The AGATA symmetrical segmented Canberra Eurisys (CE) prototype
germanium...
Mr
Alexander Furgeri
(University of Karlsruhe)
15/09/2005, 10:30
Applications in Particle Physics
Contributed Poster
The Compact Muon Solenoid is one of the experiments at the Large
Hadron Collider under
construction at CERN. Its inner tracking system consist of the world
largest Silicon
Strip Tracker. Its sensors are single sided n-doped sensors with p-
strip
implants, poly crystalline bias resistors and AC coupling. In total
24244 sensors
covering an area of 206 m² will be implemented in the...
Dr
Jamil Mir
(CCLRC Rutherford Appleton Laboratory)
15/09/2005, 10:30
Novel Gas-based Detection Techniques
Contributed Poster
Abstract: Experimental work was carried out to evaluate the
performance of a Gas Electron Multiplier (GEM) operated with a
Micromesh readout plane that enabled the induction gap to be set at
50 microns. We measured the essential operational parameters of this
system using Ar(75%)-isobutane (25%) as the counter gas mixture. The
measurements included the effective gain (signal-to-noise...
Mr
Andrew Mather
(University of Liverpool)
15/09/2005, 10:30
New Techniques for Positron Emission Tomography
Contributed Poster
The SmartPET project will examine the possibility of using planer
Hyper Pure Germanium Detectors (HPGe) within a Positron Emission
Tomography (PET) system. This system is designed to image small
animals.
The image reconstruction algorithms take measured or simulated
projection data of an underlying radioactive source distribution and
attempt to produce an accurate 2D or 3D image...
Mr
Reynold Cooper
(University of Liverpool)
15/09/2005, 10:30
New Techniques for Positron Emission Tomography
Contributed Poster
The SmartPET project aims to exploit advances in the sensitivity,
speed, position and energy resolution of HPGe detectors to construct
a small animal Positron Emission Tomography (PET) system.
The small animal scanning system will consist of two planar HPGe
detectors separated by 109mm and housed in a rotating frame allowing
data acquisition over a full 180o range. Each detector...
Prof.
Gerhard Lutz
(MPI Halbleiterlabor, Munich)
15/09/2005, 10:30
Pixel Detectors for Charged Particles
Contributed Poster
A new generation of MOS-type DEPFET active pixel sensors in double
metal/double polysilicon technology with ~25µm pixel size has been
developed to meet the requirements of the vertex detector at the ILC
(International Linear Collider). The paper presents the design and
technology of the new linear DEPFET pixel cells including a module
concept and results of a feasibility study on how...
Mr
Thomas Greig
(Brunel University)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
The design of pixel test structures for CMOS active pixel sensors
(APS) being developed by Brunel University and e2v technologies ltd
are described in this paper. The APS pixel is a development of a
standard readout and sensing arrangement employing three transistors
per pixel but has been optimised for indirect x-ray detection
applications. The pixel is tuned to have a narrow band...
Prof.
Robert Lewis
(Monash University, Australia)
15/09/2005, 10:30
New Techniques for Positron Emission Tomography
Contributed Poster
The SmartPET is a novel Positron Emission Tomography (PET) system
that uses High Purity Germanium (HPGe) detectors in a dual-head
camera design. Alone, the superior 3D position resolution
o_ered by semi-conductor detectors removes the depth-of-interaction
problem inherent in many PET camera designs. However, there is
another opportunity o_ered by the system. Coincident...
Mr
Adrian Martindale
(University of Leicester)
15/09/2005, 10:30
Applications in Astronomy and Astrophysics
Contributed Poster
We describe the operation of ultra-small pore Microchannel Plates
(MCPs) as detectors for soft X-ray radiation. These new plates
represent a marked improvement in MCP technology. Typical plates at
present have pore diameters of ~8-12μm, whereas the new generation
have diameters ranging from 3-6μm. This reduction in pore diameter
will clearly have a positive impact on the spatial...
Dr
Sorina Lazanu
(National Institute for Materials Physics, Romania)
15/09/2005, 10:30
New Solid-State Detector Technology
Contributed Poster
Semiconductor detectors are widely used in modern high energy
physics experiments. They are elements of the high resolution vertex
and tracking system, as well as of calorimeters
The bulk displacement damage in the detector, consequence of
irradiation, produces effects at the device level: increases the
leakage current, decreasing the satisfactory Signal/Noise ratio,
produces...
Dr
Junko Kohagura
(Plasma Research Centre, University of Tsukuba)
15/09/2005, 10:30
X-ray and Gamma-ray Detectors
Contributed Poster
Tomographic reconstructions of X-ray emission from hot electrons
having a temperature of several tens of keV have been carried out by
the use of the novel position-sensitive X-ray semiconductor detector
array. The X-ray detection system in the thermal-barrier region of
the GAMMA 10 tandem-mirror plasmas consists of a 48-channel silicon
semiconductor detector array.
X-ray energy...
