Keywords: Neutrons; Lyman alpha photons (5941061500).jpg Neutron absorption by 3He yields tens of Lyman alpha photons which result from the most fundamental energy jump in the hydrogen atom This schematic illustrates the operation of a prototype Lyman alpha neutron detector LAND Credit NIST Disclaimer Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST Use of NIST Information These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology NIST With the exception of material marked as copyrighted information presented on these pages is considered public information and may be distributed or copied Use of appropriate byline/photo/image credits is requested https //www flickr com/photos/usnistgov/5941061500/ Neutrons; Lyman alpha photons 2008-03-06 17 54 https //www flickr com/people/63059536 N06 National Institute of Standards and Technology PD-USGov National Institute of Standards and Technology https //flickr com/photos/63059536 N06/5941061500 2016-09-07 02 13 31 United States Government Work Uncategorized 2016 September 9 |