A flipper-chopper for polarized slow neutrons
نویسندگان
چکیده
منابع مشابه
SUSANS With Polarized Neutrons
Super Ultra-Small Angle Neutron Scattering (SUSANS) studies over wave vector transfers of 10(-4) nm(-1) to 10(-3) nm(-1) afford information on micrometer-size agglomerates in samples. Using a right-angled magnetic air prism, we have achieved a separation of ≈10 arcsec between ≈2 arcsec wide up- and down-spin peaks of 0.54 nm neutrons. The SUSANS instrument has thus been equipped with the polari...
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Neutrons have zero net electrical charge and can thus penetrate deeply into matter, but their intrinsic magnetic moment makes them highly sensitive to magnetic fields. These properties have been combined with radiographic (2D) and tomographic (3D) imaging methods to provide a unique technique to probe macroscopic magnetic phenomena both within and around bulk matter. Based on the spin-rotation ...
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HE study of the biological effect of different radiations has progressed T as sources of the various radiations have been developed. The effects of X, gamma, beta and alpha rays, of protons and fast neutrons, and recently of fission fragments have been studied in numerous organisms, both plant and animal. Before the development of the nuclear reactor, however, there was no source of slow neutro...
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Geometric phase phenomena have been observed with single neutrons in polarimeter and interferometer experiments. Interacting with static and timedependent magnetic fields, the state vectors acquire a geometric phase tied to the evolution within spin subspace. In a polarimeter experiment the non-additivity of quantum phases for mixed spin input states is observed. In a Si perfectcrystal interfer...
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Parity non-conserving admixtures in nuclear states may be revealed from a very small asymmetry in the distribution of gamma-rays emitted after the capture of polarized neutrons in certain nuclei. An experimental accuracy at the limit of present possibilities is required. The criteria followed in developing the methods for reversing the neutron polarization and for the data collection and the co...
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ژورنال
عنوان ژورنال: Physics Letters A
سال: 1968
ISSN: 0375-9601
DOI: 10.1016/0375-9601(68)90794-9