6533b853fe1ef96bd12abf3b

RESEARCH PRODUCT

A Ramsey apparatus for the measurement of the incoherent neutron scattering length of the deuteron

B. Van Den BrandtB. S. SchlimmeFlorian M. PiegsaFlorian M. PiegsaJ. A. KonterJoachim KohlbrecherPatrick HautleO. ZimmerH. Glättli

subject

PhysicsNuclear and High Energy PhysicsNuclear TheoryDynamic nuclear polarisationNeutron scatteringSmall-angle neutron scatteringInelastic neutron scatteringNeutron time-of-flight scatteringNeutron spin echoNuclear physicsQuasielastic neutron scatteringNeutronNuclear ExperimentInstrumentation

description

Abstract A Ramsey apparatus for cold, polarised neutrons is described, which enables us to measure neutron precession angles with an absolute accuracy of about 1 ∘ . This is necessary to perform a planned high-accuracy measurement of the incoherent neutron scattering length b i , d of the deuteron. The performance of the apparatus is demonstrated in systematic stability measurements as well as in two selected examples using samples containing polarised nuclear spins.

https://doi.org/10.1016/j.nima.2008.02.020