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Showing 1 to 20 of 43 for “"scattering angle"”.
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Interference effects due to projective-target nucleus scattering in single ionization of molecular hydrogen by 75 keV proton impact
… been measured as a function of the projectile scattering angle and energy loss and compared to available theoretical models. Interference structures are directly observed in the scattering angular dependence of the DDCS. The phase angle appears to be most sensitive to the projectile angle but …
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Bose-Einstein condensation from a gluon transport equation
… to solve the QCD Boltzmann equation in the small-scattering angle approximation, which we develop here for the quenched limit of QCD. We initially restrict our analysis to spatially homogeneous systems of gluons distributed isotropically in momentum space. With our scheme we confirm results of …
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The impact of vertical variations of cloud mircrophysics and drizzle on the angular anisotropic behavior of weighted cloud droplet effective radius
… in retrieved optical depth variability with scattering angle, specifically around the rainbow scattering angle, using MODIS data alone and with MODIS data fused with data from the Multi-angle Imaging SpectroRadiometer (MISR). Both datasets show a zonally varying zonal mean bias in …
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Neutron-deuteron breakup and quasielastic scattering
Quasielastic scattering and deuteron breakup in the 200 MeV region is studied by impinging a pulsed neutron beam on a deuterium target at the Weapons Neutron Research facility at the Los Alamos Neutron Science Center. The scattered neutrons from the d(n,np)n reaction are detected by a wall of …
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The Concept of Collision Strength and Its Applications
… for the purpose and taken for granted. A scattering angle has been widely and intensively used as a measure of collision strength in plasma physics for years. The result of this is complication and unnecessary approximation in deriving some of the basic kinetic equations and in calculating …
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Measurement of the (e,e') cross section for 12C, 48Ti, 27Al and 40Ar
… the argon nuclear structure is needed. Electron scattering has been one of the most powerful methods of studying the nuclear structure of a target. Therefore we performed an electron scattering experiment E12-14- 012 in Hall A at the Thomas Jefferson National Accelerator Facility (Jefferson Lab). …
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Laser-driven electron acceleration in infinite vacuum
… in infinite vacuum, showing that the transverse scattering angle of the accelerated electron may be kept small with a proper choice of parameters. I then analyze the direct (a.k.a. linear) acceleration of an electron in infinite vacuum by a pulsed radially-polarized laser beam, consequently …
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Laser diffraction particle sizing : sampling and inversion
… in terms of the largest particle size, and an angle above which the intensity is indistinguishable from an asymptote. The instability of inverting unevenly spaced data is compared to that of super-resolving Fourier spectra. Resolution is shown to be inversely proportional to the angular range …
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Measurements of the Absolute Cross Section of the Three-body Photodisintegration of Helium-3 Between E[gamma] = 11.4 MeV and 14.7 MeV at HIGS
… n)pp reaction as a function of outgoing neutron scattering angle and energy were determined from the measurements at the incident &gamma-ray energies of 11.4, 12.8, 13.5, and 14.7 MeV to within a precision better than +/- 6 %.</p><p>The absolute cross sections at each incident energy are compared …
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Implementation of scattering pinhole diagnostic for detection of fusion products on CR-39 at high particle fluence
… yields because particle tracks would overlap. A scattering pinhole has been implemented in order to reduce the fluence on the CR-39. This paper details the design and implementation of a scattering pinhole to detect protons born from D3He nuclear reactions: D +3 He = p+(14.7MeV) + …
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Analytic Modelling of Gravitational-Wave Source in General Relativity and Alternative Theories of Gravity
… results in the EOB formalism to derive the scattering angle in the scalar-tensor theories which can be used in future as a check against the scattering angle computed using scattering amplitude techniques. Finally, we implement up to 3PN conservative dynamics results in the EOB based …
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Investigation of projectile coherence effects in fully differential studies of 75 keV proton - H₂ collisions
… projectiles. As reported in recent years, the scattering angle dependence of the doubly differential cross sections (DDCS) are significantly affected by the projectile coherence properties. The interference structures were observed for the coherent beam, however were absent for an incoherent …
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Proton Compton scattering with polarized γ rays
Proton Compton scattering has been studied from 220 to 330 MeV at 90 degree center of mass scattering angle with the polarized photon beam at LEGS. Compton scattering is an important probe of the nucleon structure and its excited states. Polarization degrees of freedom reveal more information than …
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A Study of Quantum Interference and Entanglement with Negative Optics
… wave radiation. Constructive non‐specular wave scattering permits the scattering angle (β) to be other than twice that of incidence (α). This result in gross violations of the law of reflection, and significant fraction of the α, β phase space becomes accessible. A wide range of novel reflective …
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Inclusive and exclusive electron scattering data analysis from Jefferson Lab experiment E12-14-012
… Lab seeks to help remedy this via electron scattering measurements on argon and titanium targets. The experiment collected both inclusive (e,e') and exclusive (e,e'p) data at a wide range of kinematics with the intent to measure the electron-nucleus cross section and thus derive a spectral …
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PARTICLE SCINTILLATING TRACKERS: DESIGN AND READ-OUT OF REAL-TIME, LARGE-AREA, HIGHLY SEGMENTED DETECTORS
… principle is based on the determination of the scattering angle of each muon from cosmic ray radiation as a result of crossing a high-Z material (both nuclear material and high-Z shielding materials). Indeed, the angular deflection of the trajectory is very sensitive to the Z of the atomic …
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Fully differential study of dissociative capture in P + H₂ collisions
… properties has been studied in several ion-atom scattering processes. These studies strongly suggested that cross sections could be significantly affected by the projectile coherence properties, especially for fast, heavy ions. In the present study, we used such coherence effects as a tool to …
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Applicability of cosmic ray muon radiography to nuclear nonproliferation
… of the processes responsible for multiple scattering of muons through materials. One of the most popular Monte Carlo transport codes in high energy physics, Geant4, is used to simulate the multiple scattering of cosmic ray muons through materials of low, medium, and high Z (carbon, iron, …
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Electroexcitation of the giant resonance of 17O
… been investigated by means of inelastic electron scattering, with special emphasis placed on the giant resonance. The scattering angle employed was 75.1°, and the incident energies were 64.9, 83.3, 101.3, 113.6, and 124.0 MeV. These conditions correspond to momentum transfers in the range 0.33 to …
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THE PION DOUBLE DIFFERENTIAL CHARGE EXCHANGE CROSS SECTION IN PROTODUNE-SP
… kinematics, the kinetic energy $T_{\pi^{0}}$ and scattering angle $cos\theta_{\pi^{0}}$.
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