نتایج جستجو برای: nai tl detectors
تعداد نتایج: 42389 فیلتر نتایج به سال:
Background: Due to volatility of radioactive iodine solutions, usually internal exposure would occur in personnel that are working in nuclear medicine centers. The activities in the thyroid of individual s who work in nuclear medicine centers of North West provinces of Iran were measured using NaI (Sodium Iodide) detectors. In every center, nearly 40 - 500 mCi of 131 I and 50 - 600 μ Ci of 125 ...
Abstract An experimental setup for studying the Compton scattering of annihilation photons in various (entangled and decoherent) quantum states is presented. Two entangled γ -quanta with an energy 511 keV mutually orthogonal polarizations are produced by positron-electron a thin aluminum plate emitted opposite directions. To measure both photons, provides two equivalent arms polarimeters. A pol...
Abstract Novel NaIL detector (5 × 6 inch) was investigated for its neutron detection in wide energy range. It has been found that the together with known ability to detect γ-radiation it also allows distinguish signals three quasi-independent ways. is sensitive fluxes on a level down 10 -3 cm -2 s -1 . In this work intrinsic α-background and sensitivity were obtained. Experimental data compared...
The scintillation efficiency of electron recoils in liquid xenon (LXe) is not well measured at low energies. The Compton coincidence technique (CCT) is set up using a NaI(Tl) detector and HPGe detector to measure the energy dependence of the light yield in the NaI(Tl) detector from which we can extract the scintillation effieciency. This technique allows for the detection of low energy electron...
Measurements of the shapes of scintillation pulses produced by nuclear recoils, alpha particles and photons in NaI(Tl) crystals at visible energies of 10-100 keV have been performed in order to investigate possible sources of background in NaI(Tl) dark matter experiments and, in particular, the possible origin of the anomalous fast time constant events observed in the UK Dark Matter Collaborati...
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