A Dosimetry Study of Deuterium-Deuterium Neutron Generator-based In Vivo Neutron Activation Analysis
نویسندگان
چکیده
منابع مشابه
Ultracold neutron upscattering rates in a molecular deuterium crystal
A calculation of ultracold neutron ~UCN! upscattering rates in molecular deuterium solids has been carried out, taking into account intramolecular excitations and phonons. The different molecular species ortho-D2 ~with even rotational quantum number J! and para-D2 ~with odd J! exhibit significantly different UCN-phonon annihilation cross sections. Parato ortho-D2 conversion, furthermore, couple...
متن کاملMeasurements of ultracold-neutron lifetimes in solid deuterium.
We present the first measurements of the survival time of ultracold neutrons (UCNs) in solid deuterium (SD2). This critical parameter provides a fundamental limitation to the effectiveness of superthermal UCN sources that utilize solid ortho-deuterium as the source material. These measurements are performed utilizing a SD2 source coupled to a spallation source of neutrons, providing a demonstra...
متن کاملNeutron Activation Analysis Neutron Activation Analysis
CONTENT NEUTRON ACTIVATION ANALYSIS
متن کاملA Gamma Polarimeter for Neutron Polarization Measurement in a Liquid Deuterium Target for Parity Violation in Polarized Neutron Capture on Deuterium
A measurement of the parity-violating gamma asymmetry in n-D capture would yield information on N-N parity violation independent of the n-p system. Since cold neutrons will depolarize in a liquid deuterium target in which the scattering cross section is much larger than the absorption cross section, it will be necessary to quantify the loss of polarization before capture. One way to do this is ...
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ژورنال
عنوان ژورنال: Health Physics
سال: 2015
ISSN: 0017-9078
DOI: 10.1097/hp.0000000000000345