To help ensure the stable long-term operation of a Cherenkov Ring Imaging Detector at high efficiency, a comprehensive monitor and control system is being developed. This system will continuously monitor and maintain the correct operating temperatures, and will provide an on-line monitor of the pressures, flows, mixing, and purity of the various fluids. In addition the velocities and trajectori...

abstract   background : the application of du emanation for first time contaminated certain areas in the south west region of iraq after the second gulf war (1991). these contaminated areas were discovered in 1994. radioactive contamination was detected using the nuclear enterprise pcm5/1 in soil samples collected from two regions near by grazing lands. this study was done for assessment of du ...

The RICOCHET reactor neutrino observatory is planned to be installed at Institut Laue-Langevin starting in mid-2022. scientific goal of the collaboration perform a low-energy and percentage-precision CENNS measurement order explore exotic physics scenarios beyond standard model. To that end, will host two cryogenic detector arrays : CryoCube (Ge target) Q-ARRAY (Zn target), both with unpreceden...

A laboratory has been constructed by the TEXONO Collaboration at the Kuo-Sheng Reactor Power Plant in Taiwan to study low energy neutrino physics. The facilities of the laboratory are described. A limit on the neutrino magnetic moment of μν̄e < 1.3× 10 −10 μB at 90% confidence level has been achieved from measurements with a high-purity germanium detector. Other physics topics, as well as the va...

The EGS4 Monte Carlo simulation technique was used to obtain the energy spectra of photons arriving at a detector from the pulse height distributions measured by the same detector. First, the measured pulse height distribution for incident photons from several radiation sources such as 60Co, 137Cs, 152Eu and 207Bi with a collimator are compared with those calculated using the EGS4 code to inves...

At the Low Energy Branch of the future FAIR facility, the fragmented beams from the Super-FRS are slowed down in energy or completely stopped. One of the experiments proposed at this branch is DESPEC (decay spectroscopy) where studies of the decay of short-lived nuclei, either in their ground state or in an isomeric state are planned. The ions at some tens of MeV/u will be deeply implanted in a...

The calibration of a LE Ge detector system has been performed at CIEMAT Whole Body Counter for the assessment of Am in skull and knee. The facility counts with a Cohen phantom simulating a human head with 1000 Bq of Americium homogeneously distributed in the bone equivalent material. Measurements of the LE Ge system with the skull phantom were carried out in an optimisation study of counting ef...

Compact neutron detectors are being designed and tested for use as low-power real-time personnel dosimeters. The neutron detectors are pin diodes that are mass produced from high-purity Si wafers. Each detector has thousands of circular perforations etched vertically into the device. The perforations are backfilled with 6 LiF to make the pin diodes sensitive to thermal neutrons. The prototype d...

A shell of neutron detectors was designed, constructed, and employed in γ−ray spectroscopy with Gammasphere. It consists of up to 35 tapered regular hexagons that replace the same number of forward Ge-detector modules in Gammasphere. The shell was designed for high detection efficiency and very good neutron−γ discrimination. The simultaneous use of time of flight, and two methods of pulse shape...

a study was undertaken to investigate the role of placenta in transferring drugs containing bromine to the infant. 20 pregnant subjects were given bromine as kbr (500 mg/50 kg weight) 10h before the delivery the bromine content of the serum in the mother and the child was estimated by neutron.. 13 lrradlated at 2xlo activation analysis. samples were -2 -1 n em 5 for a period of one hour. a ge (...