Wow, neutrons are pretty cool! No radiation damage--and time resolution? I guess this is since they have much higher energy, and are measurable individually? What are the numbers for fluxes (neutrons/sec)? Are the neutrons all at one energy, or is there a bandwidth?
JPK > With X-rays, Laue diffraction leads to some systematic overlap as > reflections from different wavelengths fall on the same detector position, > and this cuts into completeness. > > With neutrons, it is possible to use a time-resolved detector such that all > events are time-stamped, and the reflections from lower energy neutrons do > not overlap with those of higher energy neutrons (neutrons having measurable > mass, and thus noticable velocity differences). I know that this is > possible, I do not know whether it is commonplace. > > See, for example: > Protein crystallography with spallation neutrons: the user facility at Los > Alamos Neutron Science Center (2004) P. Langan, G. Greene & B.P. Schoenborn, > J. Appl. Cryst. 37(1) 24-31. > > > -- > ======================================================================= > All Things Serve the Beam > ======================================================================= > David J. Schuller > modern man in a post-modern world > MacCHESS, Cornell University > schul...@cornell.edu > -- ******************************************* Jacob Pearson Keller Northwestern University Medical Scientist Training Program cel: 773.608.9185 email: j-kell...@northwestern.edu *******************************************
