Abstract Dealing with large-scale application of semiconductor detectors, one of the keystones is to ensure the robustness and long-term electrical stability. A phenomenon that can compromise the performance of a system based on these detectors is the dependence of the punch-through effect on the environmental conditions. In this paper we investigated the influence of humidity on the punch-thro...

Radon-222 is a good natural tracer of groundwater flow into the coastal ocean. Unfortunately, its usefulness is limited by the time consuming nature of collecting individual samples and traditional analysis schemes. We demonstrate here an automated system which can determine, on a “continuous” basis, the radon activity in coastal ocean waters. The system analyses 222Rn from a constant stream of...

We propose a novel framework for the analysis and modeling of discrete edge filters, based on the notion of signed rays. This framework will allow us to easily deduce the geometric and localization properties of a family of firstorder filters, and use this information to design custom filter banks for specific applications. As an example, a set of angle-selective corner detectors is constructed...

The present aim was to examine the effect of facial expressions on the feature-based landmark localization in static grey scale images. In the method, local oriented edges were extracted and edge maps of the image were constructed at two levels of resolution. Regions of connected edges represented landmark candidates and were further verified by matching against the edge orientation model. The ...

The time-integrated luminosity and average energy of the neutrino emission spectrum are essential diagnostics of core-collapse supernovae. The SN 1987A electron antineutrino observations by the Kamiokande-II and IMB detectors are only roughly consistent with each other and theory. Using new measurements of the star formation rate history, we reinterpret the Super-Kamiokande upper bound on the e...

We study the use of detection devices in entanglement-based state preparation. In particular we consider optical detection devices such as single-photon sensitivity detectors, single-photon resolution detectors, and detector cascades ~with an emphasis on the performance of realistic detectors!. We develop an extensive theory for the use of these devices. In entanglement-based state preparation ...

Most face applications depend heavily on the accuracy of the face and facial landmarks detectors employed. Prediction of attributes such as gender, age, and identity usually completely fail when the faces are badly aligned due to inaccurate facial landmark detection. Despite the impressive recent advances in face and facial landmark detection, little study is on the recovery from and detection ...

Precision transition radiation detectors (TRDs) can be an effective tool for determining the energy spectra of cosmic ray nuclei up to the energies of the knee. They offer unique measurement capabilities and embody design principles which are somewhat different from those of the threshold TRDs used in accelerator experiments. We will discuss some of the characteristics of these instruments, inc...

Detection systems rely more and more on on-line or off-line comparison of detected signals with basis signals in order to determine the characteristics of the impinging particles. Unfortunately, these comparisons are very sensitive to the random time shifts that may alter the signal delivered by the detectors. We present two fast algebraic methods to determine the value of the time shift and to...

This talk summarises the ongoing proposals to upgrade the ATLAS and CMS detectors by the installation of forward silicon detector systems close to the beam line at distances of approximately 220 m and 420 m from the respective Interaction Points. The physics motivation is outlined, with emphasis on detection of Higgs and Supersymmetric states, and some of the aspects of the apparatus and its pe...