Results 281 to 290 of about 292,691 (319)

Polar Motions Measurement Study.

1984
Abstract : In this report we analyze the feasibility of subarc-second measurement of earth crust warp and/or earth spin axis deviation, in less than one day, using ring laser gyroscopes and accelerometers and/or tiltmeters. It is marginally feasibile, using laser gyros equivalent to the Honeywell GG1389, either unidirectionally carouseled or with ...
M. Ignagni, W. H. Egli, J. Hanse
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Studies of polarized ethylenes—VIII

Tetrahedron, 1978
Abstract Push-pull ethylenes have been prepared, which in the ground state are twisted around the double bond, and the barriers for passage through a planar transition state have been measured with DNMR. The influence of steric and electronic factors on the rotational barriers has been investigated.
J. Sandström, U. Sjöstrand
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Polarized neutron study of HoFe2

Journal of Applied Physics, 1979
Results of a polarized neutron experiment at 4.2 K on a single crystal of HoFe2 are reported. The magnetic moment of the iron atoms is 1.88(10) μB. In comparison with the LuFe2 results, 0.25 μB of the Fe moment is induced by interactions with holmium. Extrapolating the Ho magnetic amplitudes to sinϑ/λ=0 one finds a magnetic moment of 9.15(10) μB.
H. Fuess, D. Givord, A. R. Gregory, J. Schweizer   +3 more
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Polarization Studies of Hyperons

AIP Conference Proceedings, 2002
Using data from Fermilab fixed‐target experiment E791, we have measured polarization for Ⅺ− and Ⅺ+ hyperons in π− ‐ nucleon interactions at 500 GeV/c. The polarization is measured as function of the angular distribution, transversal to the production plane, and over the ranges of Feynman‐x (xF) and pT2 −0.12 ⩽ xF ⩽ 0.12 and 0 ⩽ pT2 ⩽ 4(GeV/c)2. We didn’
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Studies with Polarized Positrons

1995
Positrons (e+), or anti-electrons, can be valuable probes of fundamental interactions between charged particles and atoms, molecules, liquids and solids1–4. Positronium (Ps) is the bound state of a e+ and an electron (e−) and precision measurements of its energy levels5, decay rates6 and modes7 can provide rigorous tests of bound state QED calculations.
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Polarization Studies Involving Neutrons

1976
Perhaps the first questions about the scientific program of this conference were “Why should there be a separate talk again about neutron polarization phenomena? Can’t this work be assimilated into the rest of the presentations?” In fact, to a small degree neutron results have appeared here occasionally in the review papers but typically the poorer ...
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Beam-foil polarization for in-beam nuclear-polarization studies

Hyperfine Interactions, 1985
The physical principles of atomic and nuclear polarization by grazing-incidence collisions (scattering) and by the tilted-foil interaction (transmission) are introduced. The formation in-flight of bound atomic systems of antiprotons and polarized light nuclei, polarized by beam-foil techniques at threshold energies, are discussed.
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Polarization Studies of Polar Phonons of InSe

physica status solidi (b), 1987
M. Jouanne, C. Julien, M. Balkanski
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Study of Polarized Vibrations

2021
M. Françon, N. Krauzman, J.P. Mathieu, M. May   +3 more
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Polarization studies with thorium oxide

Journal of the Franklin Institute, 1958
Abstract Studies of electrical polarization resulting from passage of current in single crystals of thorium oxide in the 600°–1300° C. region have been extended to detailed measurements of the initial rate of rise of such polarization.An attempt is made to deduce there from the density and mobility of charge carriers.
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