A TUTORIAL ON SMALL-ANGLE NEUTRON SCATTERING FROM POLYMERS

A TUTORIAL ON SMALL-ANGLE NEUTRON SCATTERING FROM POLYMERS Boualem Hammouda National Institute of Standards and Technology Materials Science and Engineering Laboratory Building 235, Room E151 Gaithersburg, MD 20899 June 1995 I. INTRODUCTION...................................................................................................................................... 3 II. BASIC PROPERTIES OF THE NEUTRON........................................................................................ 4 III. NEUTRON SOURCES.......................................................................................................................... 4 III. 1. NUCLEAR FISSION REACTIONS .................................................................................................. 7 III. 2. NREACTORS................................................................................................................... 7 3. SPALLATION SOURCES .............................................................................................................. 10 III.III. 4. PULSED REACTORS.................................................................................................................... 11 III. 5. PHOTONEUTRON SOURCES...................................................................................................... 12 III. 6. QUESTIONS.............................................................................................................. ...