نتایج جستجو برای: neutron spectrometer
تعداد نتایج: 67078 فیلتر نتایج به سال:
We propose precision mass measurements on a series of short-lived nuclides for the investigation of proton-neutron interactions and two neutron separation energies and their role in nuclear structure, especially concerning deformation and collectivity. The nuclides include neutron-rich Nd, Sm, Dy, Er, and Yb isotopes, as well as Hf. The investigations will require the Penning trap mass-spectrom...
Measurement of the fuel ion density ratio, nD/nT, is required for burning control in ITER. The measured nD/nT ratio must be fed back in real time. A neutron measurement system to measure nD/nT should be operable at high counting rate. The estimated number of emitted DT neutrons is 200 times higher than that of DD neutrons under the ITER standard operation conditions. A neutron measurement syste...
The Super Separator Spectrometer S is a device designed for experiments with the very high intensity stable ion beam of the superconducting linear accelerator of the SPIRAL2 facility. Its Physics goals cover the study of radioactive ions produced by fusion-evaporation reactions, like superheavy elements or neutron deficient nuclei close to the proton drip line, but also neutron rich nuclei prod...
A time-resolved detector concept for the magnetic recoil spectrometer for time-resolved measurements of the NIF neutron spectrum is presented. The measurement is challenging due to the time spreading of the recoil protons (or deuterons) as they transit an energy dispersing magnet system. Ions arrive at the focal plane of the magnetic spectrometer over an interval of tens of nanoseconds. We seek...
Data sets collected by the Mars Odyssey Neutron Spectrometer contain artifacts from spatial blurring and noise, which are limiting factors in the interpretation of surface physical properties. The spatial response of the spectrometer is about 10 degrees (full width half maximum) of arc length, making comparisons to and synthesis with higher resolution optical data sets and geological maps chall...
CHELSI is a CsI-based portable spectrometer being developed at Los Alamos National Laboratory for use in high-energy neutron fields. Based on the inherent pulse shape discrimination properties of CsI(Tl), the instrument flags charged particle events produced via neutron-induced spallation events. Scintillation events are processed in real time using digital signal processing and a conservative ...
The wide angular-range chopper spectrometer ARCS at the Spallation Neutron Source (SNS) is optimized to provide a high neutron flux at the sample position with a large solid angle of detector coverage. The instrument incorporates modern neutron instrumentation, such as an elliptically focused neutron guide, high speed magnetic bearing choppers, and a massive array of (3)He linear position sensi...
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