Ultra-Cold NeutronsUltra-Cold Neutrons is a complete, self-contained introduction and review of the field of ultra-cold neutron (UCN) physics. Over the last two decades, developments in UCN technology include the storage of UCN in material and magnetic bottles for time periods limited only by the beta decay rate of the free neutron. This capability has opened up the possibility of a wide range of applications in the fields of both fundamental and condensed state physics. The book explores some of these applications, such as the search for the electric dipole moment of the neutron that constitutes the most sensitive test of time reversal invariance yet devised. The book is suitable as an introduction to the field for research students, as a useful compendium of results and techniques for researchers, and is of general interest to nonspecialists in other areas of physics such as neutron, atomic, and fundamental physics and neutron scattering. |
Contents
Interaction of UCN with Matter | 7 |
2 | 15 |
walls | 29 |
Production of | 42 |
3 | 52 |
UCN Gas | 78 |
UCN Storage Measurements | 105 |
UCN Spectrometers Microscopes and Monochromators | 135 |
Applications of UCN to Fundamental Physical Tests | 173 |
UCN Scattering | 227 |
Appendices | 246 |
Phononscoherent and incoherent inelastic scattering | 259 |
277 | |
287 | |
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Common terms and phrases
absorption angle atoms average B-decay beam bottle walls calculated coherent scattering count rate curve decay detector determined dEUCN deuterium diffusion Dubna effect electric field equation EUCN experimental experiments flux foil Fomblin frequency function given Golub helium hydrogen Ignatovich incident neutron inelastic scattering Institut Laue-Langevin interaction kinetic Larmor frequency loss probability loss rate magnetic field magnetometers Mampe material mean free path measurements mechanical equilibrium mirror moderator momentum monochromator neutron bottle neutron EDM neutron energy neutron guide neutron scattering neutron storage neutron velocity nucleus obtained optical oscillations particle Pendlebury phase space phonon Phys polarized pulse range reactor reflection scattering cross section scattering length shown in figure spectrum specular specular reflection spin Steyerl technique temperature theory thermal transmission UCN density UCN energy UCN gas UCN loss UCN source UCN storage up-scattering V₁ vacuum vertical wall collisions wall loss wave wavefunction
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Page viii - The authors are grateful to the following for granting permission to reproduce figures included in this book. The authors of all figures not originated by ourselves.