253 research outputs found

    Low-Lying Neutron-Hole Transitions in the 207-Pb(p,p') Reaction at 135 MeV

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    This work was supported by National Science Foundation Grant PHY 75-00289 and Indiana Universit

    Transitions to Proton States in the 90-Zr(p,p') Reaction at 160 MeV

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    This work was supported by National Science Foundation Grant PHY 76-84033 and Indiana Universit

    Spin-Orbit Effects on the Shapes of Cross Sections in the 90-Zr(p,p') Reaction at 160 MeV

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    This work was supported by National Science Foundation Grants PHY 76-84033A01, PHY 78-22774, and Indiana Universit

    Excitation of Neutron, Proton and Neutron-Hole States in the (p,p') Reaction at 160 MeV and 96 MeV

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    This work was supported by National Science Foundation Grant PHY 76-84033 and Indiana Universit

    Core Polarization Amplitudes for Single-Neutron-Hole Transitions Excited in the 207-Pb(p,p') Reaction at 135 MeV and 61 MeV

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    This work was supported by National Science Foundation Grants PHY 76-84033A01, PHY 78-22774, and Indiana Universit

    Low-Lying Transitions in the 207-Pb(p,p') Reaction at 135 MeV and a Test of the DWIA

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    This work was supported by National Science Foundation Grant PHY 76-84033 and Indiana Universit

    Studies of the Heavy Transitional Nuclei using the (p,p') Reactions at 135 MeV

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    This research was sponsored by the National Science Foundation Grant NSF PHY 87-1440

    Toxaphene and Other Organochlorines in Arctic Ocean Fauna: Evidence for Atmospheric Delivery

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    Residues of the insecticide toxaphene (polychlorinated camphenes, PCCs) and other organochlorines (OCs) were determined in air, snow, seawater, zooplankton, and benthic amphipods collected from an ice island in the Canadian Arctic. The simultaneous determination of OCs in the atmospheric, hydrologic, and biologic compartments provided evidence of an atmospheric link to polar food chains. PCCs were identified and quantified using capillary gas chromatography - negative ion mass spectrometry. The order of OCs abundance in arctic air was: hexachlorocyclohexanes (HCHs) > hexachlorobenzene > PCCs > polychlorinated biphenyls (PCBs) > chlordanes > DDTs. In seawater, PCCs were exceeded only by the HCHs. Concentrations of PCBs and PCCs in two samples of benthic amphipods were the highest of the OCs detected.Key words: Arctic, Canada, pollution, organochlorines, air, water, biotaMots clés: Arctique, Canada, pollution, organochlorés, air, eau, biot

    Quantum carpet interferometry for trapped atomic Bose-Einstein condensates

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    We propose an ``interferometric'' scheme for Bose-Einstein condensates using near-field diffraction. The scheme is based on the phenomenon of intermode traces or quantum carpets; we show how it may be used in the detection of weak forces.Comment: 4 figures. Submitted to Phys. Rev.
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