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Browsing Physics by Title
Now showing items 21-40 of 123
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Conditional summertime day-ahead solar irradiance forecast
(2018)We investigated the accuracy of numerical weather prediction (NWP)-based global horizontal irradiance (Gill) and clear-sky index forecasting over southern Nevada. Accurate forecasts of solar irradiance are required for ... -
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Cross sections for photoionization of fullerene molecular ions C-n(+) with n=40, 50, 70, 76, 78, and 84
(2017)Absolute cross-section measurements are reported for single photoionization of C-n(+) fullerene molecular ions (n = 40, 50, 70, 76, 78, and 84) in the photon-energy range 18-70 eV. The experiments were performed by merging ... -
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Dark matter scattering on electrons: Accurate calculations of atomic excitations and implications for the DAMA signal
(2016)We revisit the WIMP-type dark matter scattering on electrons that results in atomic ionization and can manifest itself in a variety of existing direct-detection experiments. Unlike the WIMP-nucleon scattering, where current ... -
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Decoupling Nonclassical Nonlinear Behavior of Elastic Wave Types
(2016)In this Letter, the tensorial nature of the nonequilibrium dynamics in nonlinear mesoscopic elastic materials is evidenced via multimode resonance experiments. In these experiments the dynamic response, including the spatial ... -
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Determination of plasma pinch time and effective current radius of double planar wire array implosions from current measurements on a 1-MA linear transformer driver
(2016)Implosions of planar wire arrays were performed on the Michigan Accelerator for Inductive Z-pinch Experiments, a linear transformer driver (LTD) at the University of Michigan. These experiments were characterized by lower ... -
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Developing and bounding ice particle mass- and area-dimension expressions for use in atmospheric models and remote sensing
(2016)Ice particle mass- and projected area-dimension (m-D and A-D) power laws are commonly used in the treatment of ice cloud microphysical and optical properties and the remote sensing of ice cloud properties. Although there ... -
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Development of 4.5 keV monochromatic X-ray radiography using the high-energy, picosecond LFEX laser
(2016)Development of a monochromatic x-ray imaging system using a high-energy short-pulse laser LFEX and a spherical crystal is reported. Irradiation of the intense short-pulse laser produces a flash of 4.51 keV Ti K-alpha x-ray ... -
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Development of a Multispectral Albedometer and Deployment on an Unmanned Aircraft for Evaluating Satellite Retrieved Surface Reflectance over Nevada's Black Rock Desert
(2018)Bright surfaces across the western U.S. lead to uncertainties in satellite derived aerosol optical depth (AOD) where AOD is typically overestimated. With this in mind, a compact and portable instrument was developed to ... -
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Development of Pm2.5 Source Impact Spatial Fields Using a Hybrid Source Apportionment Air Quality Model
(7/20/2015)An integral part of air quality management is knowledge of the impact of pollutant sources on ambient concentrations of particulate matter (PM). There is also a growing desire to directly use source impact estimates in ... -
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Dielectronic recombination of Zn-likeW(44+) from Cu-likeW(45+)
(2015)Energy levels, radiative transition probabilities, and autoionization rates for [Ar] 3d(10)4l'nl (n = 4- 12, l <= n - 1), [Ar]3d(10)5l'nl (n = 5-8, l <= n - 1), and [Ar]3d(9)4l'4l '' nl (n = 4-5, l <= n - 1) states in Zn- ... -
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Direct heating of compressed core by ultra-intense laser
(2016)We propose a new scheme for heating an imploded core in the fast-ignition scheme. In this method, a heating laser irradiates an imploded core plasma directly. The accelerated fast-ions as well as fast-electrons heat the ... -
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Distribution of rainfall intensity during the summer monsoon season over Kathmandu, Nepal
(2015)Over last 42 years, most of the rainfall during the summer monsoon season in theKathmandu Valley has ranged in intensity between 0.13 and 0.37mmh−1, based on the 24h accumulation measurement. We infer that this range ... -
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Dust Climatology of the NASA Dryden Flight Research Center (DFRC) in Lancaster, California, USA
(2017)A 15-year (1997-2011) climatology of dust events at the NASA DFRC in Lancaster, California, USA, was performed to evaluate how the extratropical systems were associated with dust storms over this region. For this study, ... -
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Dynamic induced softening in frictional granular materials investigated by discrete-element-method simulation
(2017)A granular system composed of frictional glass beads is simulated using the discrete element method. The intergrain forces are based on the Hertz contact law in the normal direction with frictional tangential force. The ... -
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Dynamics and structure of self-generated magnetics fields on solids following high contrast, high intensity laser irradiation
(2015)The dynamics of self-generated magnetic B-fields produced following the interaction of a high contrast, high intensity (I > 1019 W cm−2) laser beam with thin (3 μm thick) solid (Al or Au) targets is investigated experimentally ... -
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Effects of molecular resonances on Rydberg blockade
(2015)We study the effect of resonances associated with complex molecular interaction of Rydberg atoms on Rydberg blockade. We show that densely spaced molecular potentials between doubly excited atomic pairs become unavoidably ... -
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Efficient repumping of a Ca magneto-optical trap
(2017)We investigate the limiting factors in the standard implementation of the Ca magneto-optical trap. We find that intercombination transitions from the 4s5p(1)P(1) state used to repump the electronic population from the 3d4s ... -
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Electron beam guiding by external magnetic fields in imploded fuel plasma
(2016)For enhancing the core heating efficiency in fast ignition laser fusion, we proposed the fast electron beam by externally-applied the kilo-tesla (kT) class longitudinal magnetic field. We evaluated the imploded core and ... -
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Erratum: “Angular truncation errors in integrating nephelometry” [Rev. Sci. Instrum. 74, 3492 (2003)]
(2019)Correction of typographic errors -
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Evaluation of Near Real-Time Preliminary Tornado Damage Paths
(2016)The ability to preliminarily diagnose areas damaged by a tornado is examined using both a manual and an automated approach. The manual method consists of using Weather Surveillance Radar-1988 Doppler base data to track ...