Experiment on direct nn scattering —The radiation-induced outgassing complicationстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 февраля 2017 г.
Аннотация:The first direct neutron–neutron scattering experiment using the YAGUAR pulsed reactor has yielded initial
results. They show a unforeseen significant thermal neutron background as a result of radiation-induced
desorption within the scattering chamber. Thermal neutrons are mostly scattering not from other neutrons
but instead from the desorbed gas molecules. Analysis of the obtained neutron time-of-flight spectra suggests
neutron scattering from H2 molecules. The presented desorption model agrees with our experimental
value of the desorption yield &947; = 0.02 molecules/gamma. Possible techniques to reduce the effect of the
desorption background are presented.