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Browsing Physics by Title
Now showing items 67-86 of 123
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Magic wavelengths, matrix elements, polarizabilities, and lifetimes of Cs
(2016)Motivated by recent interest in their applications, we report a systematic study of Cs atomic properties calculated by a high-precision relativistic all-order method. Excitation energies, reduced matrix elements, transition ... -
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Magnetized fast isochoric laser heating for efficient creation of ultra-high-energy-density states
(2018)Fast isochoric heating of a pre-compressed plasma core with a high-intensity short-pulse laser is an attractive and alternative approach to create ultra-high-energy-density states like those found in inertial confinement ... -
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Magneto-Inertial Fusion
(2016)In this community white paper, we describe an approach to achieving fusion which employs a hybrid of elements from the traditional magnetic and inertial fusion concepts, called magneto-inertial fusion (MIF). The status of ... -
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Measurement of temperature and density using non-collective X-ray Thomson scattering in pulsed power produced warm dense plasmas
(2018)We present the first experimental measurement of temperature and density of a warm dense plasma produced by a pulsed power driver at the Nevada Terawatt Facility (NTF). In the early phases of discharge, most of the mass ... -
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Measurements of Light-Absorbing Particles on the Glaciers in the Cordillera Blanca, Peru
(2/12/2015)Glaciers in the tropical Andes have been rapidly losing mass since the 1970s. In addition to the documented increase in temperature, increases in light-absorbing particles deposited on glaciers could be contributing to ... -
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Multilayered polycrystallization in single-crystal YSZ by laser-shock compression
(2015)A single shot of an ultra-intense laser with 0.8 J of energy and a pulse width of 110 fs (peak intensity of 1.15 x 10(17) W cm(-2)) is divided into two beams and the two beams counter-irradiated onto a 0.5 mm-thick single ... -
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Note: Infrared laser diagnostics for deuterium gas puff Z pinches
(2017)Deuterium gas puff Z pinches have been used for generation of strong neutron fluxes on the MA class pulse power machines. Due to the low electron density of deuterium Z-pinch plasma, regular laser diagnostics in the visible ... -
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Numerical study of core formation of asymmetrically driven cone-guided targets
(2017)Compression of a directly driven fast ignition cone-sphere target with a finite number of laser beams is numerically studied using a three-dimensional hydrodynamics code IMPACT-3D. The formation of a dense plasma core is ... -
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Photoionization and photofragmentation of singly charged positive and negative SC3N@C-80 endohedral fullerene ions
(2019)Photoprocesses of the endohedral fullerene ions SC3N@C-80(+) and SC3N@ C-80(-) in the gas phase have been investigated in the photon energy ranges 30-50 eV and 280-420 eV. Single and double ionization as well as single ... -
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Photoionization and photofragmentation of the C-60(+) molecular ion
(2016)Cross-section measurements are reported for single and double photoionization of C-60(+) ions in the photon energy range 18-150 eV accompanied by the loss of zero to seven pairs of carbon atoms, as well as for fragmentation ... -
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Potential for a large earthquake near Los Angeles inferred from the 2014 La Habra earthquake
(2015)Tectonic motion across the Los Angeles region is distributed across an intricate network of strike-slip and thrust faults that will be released in destructive earthquakes similar to or larger than the 1933M6.4 Long Beach ... -
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Progress toward a unified kJ-machine CANDY
(2016)To construct a unified experimental machine CANDY using a kJ DPSSL driver in the fast -ignition scheme, the Laser for Fast Ignition Experiment (LFEX) at Osaka is used, showing that the laser-driven ions heat the preimploded ... -
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Progress Towards a Laser Produced Relativistic Electron-Positron Pair Plasma
(2016)A set of experiments has been performed exploring unique characteristics of pair jets and plasmas at several energetic short-pulse laser facilities including Titan at Livermore and OMEGA EP in Rochester, as well as the ... -
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Proton imaging of an electrostatic field structure formed in laser-produced counter-streaming plasmas
(2016)We report the measurements of electrostatic field structures associated with an electrostatic shock formed in laser-produced counter-streaming plasmas with proton imaging. The thickness of the electrostatic structure is ... -
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Quantum Network of Atom Clocks: A Possible Implementation with Neutral Atoms
(2016)We propose a protocol for creating a fully entangled Greenberger-Horne-Zeilinger-type state of neutral atoms in spatially separated optical atomic clocks. In our scheme, local operations make use of the strong dipole-dipole ... -
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Relativistic configuration interaction plus linearized-coupled-cluster calculations of U2+ energies, g factors, transition rates, and lifetimes
(2015)Excitation energies, term designations, g factors, transition rates, and lifetimes of U2+ are determined using a relativistic configuration interaction (CI) + linearized-coupled-cluster (LCC) approach. The CI-LCC energies ... -
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Relativistic many-body calculation of energies, lifetimes, polarizabilities, blackbody radiative shift, and hyperfine constants in Lu2+
(2016)Energy levels of 30 low-lying states of Lu2+ and allowed electric-dipole matrix elements between these states are evaluated using a relativistic all-order method in which all single, double, and partial triple excitations ... -
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Relativistic many-body calculation of energies, multipole transition rates, and lifetimes in tungsten ions
(2017)Atomic properties of Cd-like W26+, In-like W25+, and Sn-like W24+ ions are evaluated by using a relativistic CI + all-order approach that combines configuration-interaction and the coupled-cluster methods. The energies, ... -
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Repetitive Solid Spherical Pellet Injection and Irradiation toward the Repetitive-mode Fast-Ignition Fusion mini-Reactor CANDY.
(2016)Pellet injection and repetitive laser illumination are key technologies for realizing inertial fusion energy[1-4]. Neutron generator using lasers also requires a repeating pellet target supplier. Here we present the first ...