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English (120)
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215 research data, page 1 of 22

Search for CP violation in D0 and D+ decays

Fermilab-Tevatron. Search for violation in D0 and D+ decays.. Beam photons obtained by means of bremsstrahlung of electron and positron beams (with tipically 300 GeV endpoint energy), with a beryllium oxide target. More than 6.3*10**9 triggers were collected from which more than 1 millioncharmed particles have been reconstructed.

Three-Dimensional Transmission Electron Microscopy:  A Novel Imaging and Characterization Technique with Nanometer Scale Resolution for Materials Science

Three-dimensional transmission electron microscopy (3D-TEM), effectuated by multiple imaging of a sample combined with image analysis, offers a new approach in materials science to obtain 3D information of complex solid materials. Here we report first-of-its-kind results that have been obtained with zeolite materials. Virtual cross-sections and volume rendering of the 3D reconstruction of a metal/zeolite crystal (Ag/NaY) give unequivocal information on the location of the silver p...

Chemistry of Metal-Bound Anion Radicals. A Family of Mono- and Bis(azopyridine) Chelates of Bivalent Ruthenium

The reaction of the dihydride [RuII(H)2(CO)(PPh3)3], 3, with excess azo-2,2‘-bipyridine (abp) in boiling dry benzene has afforded the diradical bischelate [RuII(abp•-)2(CO)(PPh3)], 4, and the hydridic monochelate monoradical [RuII(abp•-)(H)(CO)(PPh3)2], 5. A similar reaction between 3 and 2-(p-chlorophenylazo)pyridine (Clpap) did not yield a bischelate, but the hydridic monoradical [RuII(Clpap•-)(H)(CO)(PPh3)2], 6, has been isolated. Upon treatment of 4−6 with NH4PF6 in a wet dich...

Measuring Monetary Policy Inertia in Target Fed Funds Rate Changes

Dueker, Michael (2000)
Publisher: ICPSR - Interuniversity Consortium for Political and Social Research
Recent research has grappled with an apparent paradox: Why would a central bank that is focused primarily on inflation control exhibit signs of inertia when making policy adjustments? In this article, the author argues that fully characterizing the policy inertia is a precondition toward resolving the apparent paradox. This research presents empirical estimates of adjustments to the target fed funds rate that take into account two facets of policy inertia: a partial-adjustment mechanism and t...

Elastic Compton scattering from the deuteron and nucleon polarizabilities

SASK-LINAC accelerator. Elastic Compton scattering from the deuteron and nucleon polarizabilities.

Family Expenditure Survey, 1996-1997

Office for National Statistics (2000)
Publisher: Colchester, Essex: UK Data Archive

History of the Asymmetric Policy Directive

Thornton, Daniel L.; David C. Wheelock (2000)
Publisher: ICPSR - Interuniversity Consortium for Political and Social Research
From 1983 through 1999, policy directives issued by the Federal Open Market Committee (FOMC) contained a statement pertaining to possible future policy actions, which was known as the "symmetry," "tilt," or "bias" of the directive. In May 1999, the FOMC began to announce publicly the symmetry of its current directive. This resulted in much speculation about the meaning of asymmetric directives, which the FOMC had never officially defined. In this article, the authors. investigate three sugges...

Measurement of exclusive omega electroproduction at HERA

DESY-HERA. Measurement of cross sections for exclusive OMEGA meson electroproduction in interactions of 27.5 GeV positrons with 820 GeV protons. The data cover the kinematic range in Q**2 from 3 to 20 GeV and in W from 4 to 120 with ABS(T) less than 0.6 GeV**2. Data were taken during the 1996-97 HERA running period and amount to an integrated luminosity of 37.7 pb-1. The cross sections for PHI production are also measured and ratios of OMEGA to PHI and OMEGA to RHO0 (from previous ZEUS public...

Multiply scattered light tomography and confocal imaging: detecting neovascularization in age-related macular degeneration

A novel technique, Multiply Scattered Light Tomography (MSLT), and confocal Infrared Imaging are used to provide diagnostic information using a comfortable, rapid, and noninvasive method. We investigated these techniques in detecting neovascularization in age-related macular degeneration. The MSLT used a Vertical Cavity Surface Emitting Laser (VCSEL) at 850 nm, while the confocal imaging technique used either the VCSEL or a 790 nm laser diode. Both were implemented into the topographical scan...