- Intl Conf on Precision Measurements with Slow Neutrons, Nist, Gaithersburg, Md, Usa, April 被引量: 0发表: 2004年 Preliminary measurements of the neutron total cross section of 208Pb at 24 keV and the neutron polarizability Waschkovski, "Preliminary measurements of the neutron total cross ...
withthegeneralformulaforthedifferentialcrosssectionandalongthewayleaveoutagreatdealthatcouldbesaid;importanttopicsareignored,andsomeofthediscussionsmayseemtoendpre-maturely.Ifterse,however,theoutlinealsostrivestobelogicalandcohesiveandtosetoutadi-gestableoverviewofwhatis,afterall,afar-rangingdiscipline.Fortunatelyfor...
Research is underway at NIST and IU to develop neutron polarizers that are based on polarized He. Such polarizers rely on the strong spin dependence of the cross section for neutron capture by polarized He. Two methods can produce the hi... TR Gentile,AK Thompson,WM Snow 被引量: 0发表: ...
Here, σ is the effective cross section of all processes that lead to attenuation of the neutron beam. The sum of the capture cross section and inelastic-scattering cross section is significant for cold and ultracold neutrons and is inversely proportional to the velocity ν. The product σvis ...
Sign up with one click: Facebook Twitter Google Share on Facebook neutron scattering Wikipedia [′nü‚trän ‚skad·ə·riŋ] (nucleonics) The change in direction of neutrons caused by collision with nuclei in a material. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Cop...
Define Neutron spectrum. Neutron spectrum synonyms, Neutron spectrum pronunciation, Neutron spectrum translation, English dictionary definition of Neutron spectrum. Noun 1. neutron radiation - radiation of neutrons ionizing radiation - high-energy radiat
In dual-energy hydrogen imaging, the increase in hydrogen neutron cross-section at subthermal neutron energies is used to enhance the imaging of small amounts of hydrogen against a background of other absorbing materials by subtracting a tomographic image obtained for higher energy neutrons from that...
In each of the experiments, the absolute detection efficiency of the neutron monitor was determined from the measured density of the neutron absorber, the thermal neutron cross section for the absorbing material, and the solid angle of the charged particle detectors. The efficiency of the neutron ...
cross section. 197 au is generally used as a single comparator for k 0 -naa, because of its favourable nuclear properties (100% isotopic abundance, having 98.7 ± 0.6 barn (n, γ ) cross section)[26], 198 au has half life ( t 1/2 ) 2.69 days and single, high intense gamma ...
Figure 1.Dependence of total effective neutron absorption and scattering cross sectionσon neutron energy ε Portativnye generatory neitronovνiadernoi geofizike. Edited by S. I. Savosin. Moscow, 1962. B. G. EROZOLIMSKII The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The...