Výsledky vyhledávání - "M. W. Levine"

A test of the equivalence principle using a space-borne clock

Publikováno v: General Relativity and Gravitation. 10:181-204

An experimental verification of Einstein's equivalence principle has been made using an atomic hydrogen maser in a space probe attaining an altitude of 10,000 km above the earth's surface. At the present stage of the data reduction, confirmation is a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3547b5834b6ce42de83cdfc09af91d06
https://doi.org/10.1007/bf00759854

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Retinal processing of intrinsic ad extrinsic noise

Autor: M. W. Levine

Publikováno v: Journal of Neurophysiology. 48:992-1010

1. Recordings were made from single ganglion cells in the isolated retinas of goldfish. Statistics of the maintained discharge were computed for steady-state firing in the dark, in the presence of a steady-adapting light confined essentially to the c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1cb8637ca9502e766ec0f8889b62da9d
https://doi.org/10.1152/jn.1982.48.4.992

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The variability of the maintained discharge of cat dorsal lateral geniculate cells

Autor: John B. Troy, M W Levine

Publikováno v: The Journal of Physiology. 375:339-359

Maintained discharge in the presence of a steady background luminance was analysed from forty-eight cells in the A laminae of the dorsal lateral geniculate nucleus of cat. Cells were categorized as XG or YG and, in most cases, as on-or off-centre. Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a433490086547f88b3c5a1d9a4f09e16
https://doi.org/10.1113/jphysiol.1986.sp016120

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Correlation of activity in neighbouring goldfish ganglion cells: relationship between latency and lag

Autor: J A Johnsen, M W Levine

Publikováno v: The Journal of Physiology. 345:439-449

Pairs of retinal ganglion cells in the isolated goldfish retina were recorded simultaneously with a single electrode. Repeated flashes of light were delivered to evaluate the response latency of each of the units. The cross-correlation histogram for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73af3d5e03c9febcad6b9ad6a74ac8b8
https://doi.org/10.1113/jphysiol.1983.sp014987

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Test of Relativistic Gravitation with a Space-Borne Hydrogen Maser

Autor: R. F. C. Vessot, B. F. Farrel, C. R. Baugher, F. D. Wills, G. U. Nystrom, R. Decher, J. W. Watts, P. B. Eby, E. L. Blomberg, M. W. Levine, E. M. Mattison, T. E. Hoffman, D. L. Teuber

Publikováno v: Physical Review Letters. 45:2081-2084

The results of a test of general relativity with use of a hydrogen-maser frequency standard in a spacecraft launched nearly vertically upward to 10,000 km are reported. The agreement of the observed relativistic frequency shift with prediction is at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::208dc0f4c6335864f2735bdc8770531d
https://doi.org/10.1103/physrevlett.45.2081

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Measurement of the Unperturbed Hydrogen Hyperfine Transition Frequency

Autor: M. W. Levine, D.J. Glaze, David W. Allan, Helmut Hellwig, Paul W. Zitzewitz, Robert F. C. Vessot

Publikováno v: IEEE Transactions on Instrumentation and Measurement. 19:200-209

The results of a joint experiment aimed primarily at the determination of the frequency of the H1 hyperfine transition (F = 1, mF = 0) ? (F = 0, mF = 0) is reported. In terms of the frequency of the Cs133 hyperfine transition (F = 4, mF = 0) ?(F = 3,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d83e915e0ecde63f70134f0710ee7f77
https://doi.org/10.1109/tim.1970.4313902

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