DETECTOR RESOLUTION Resolution is a measure of the width (full width half max) of a single energy peak at a specific energy, either expressed in absolute keV (as with Germanium Detectors), or as a percentage of the energy at that point (Sodium Iodide Detectors). Better (lower FWHM value) resolution enables the system to more clearly separate the peaks within a spectrum. Figure 1.2 shows two spe...

DETECTOR RESOLUTION Resolution is a measure of the width (full width half max) of a single energy peak at a specific energy, either expressed in absolute keV (as with Germanium Detectors), or as a percentage of the energy at that point (Sodium Iodide Detectors). Better (lower FWHM value) resolution enables the system to more clearly separate the peaks within a spectrum. Figure 1.2 shows two spe...

Low-energy g-ray spectra were collected from Am, Co, Ba, Au, Cs and U using a 3.4 3.4 5.7mm CdZnTe detector utilizing an insulated Frisch ring. The CdZnTe detector was fabricated from a single crystal and a copper shim was used as the Frisch collar. Room-temperature energy resolution of 1.45% full-width half-maximum (FWHM) was obtained for Cs at 661.7 keV without electronic correction. The dete...

A GaAs/AlGaAs detector is demonstrated showing multiple detection capabilities. This detector exhibits a broad spectral response in the 200-870 nm (ultraviolet-visible) range for forward bias and in the 590-870 nm (visible) range for reverse bias. In the mid-IR region, two peaks at 5 and 8.9 microm can be observed for low and high forward bias voltages, respectively. In addition, the peak at 8....

The ee collider VEPP-2M at Novosibirsk is the only machine covering the energy range 360{1400 MeV. The peak luminosity is 5: 10cm s 1 for the resonance region. Two modern detectors| the general-purpose magnetic detector CMD-2 and Spherical Neutral Detector (SND)|are taking data at the VEPP-2M collider. The integrated luminosity about 10 pb 1 has been collected by both detectors. Latest results ...

In January 2007 the CERN director general announced the plan for the staged upgrade of the LHC luminosity. The plan foresees a phase 1 upgrade reaching a peak luminosity of 3 × 10 cms followed by phase reaching up to 10 cms. We discuss the physics potential and the experimental challenges of an upgraded LHC running. The detector R&D needed to operate ATLAS and CMS in a very high radiation envir...

We use fast silicon detectors and the sampling method originally developed for high energy physics two applications: cosmic ray measurements in collaboration with NASA dose during flash beam cancer treatment. The measurement will benefit from to measure Bragg peak where particle stops detector is performed by counting number of particles that enter detector.

Iris segmentation is an important phase in iris recognition and identifies the accuracy of preprocessing. This paper proposes improved peak detection algorithm to locate the pupil accurately. The modified peak detection algorithm determines the optimal peak wh ich helps for pupil localization. Thresholding is done based on the peak determined. Finally canny edge detector is applied on the binar...