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The diffraction slope parameter is investigated for elastic proton-proton and proton-antiproton scattering based on the all available experimental data at low momentum transfer values. Energy dependence of the elastic diffraction slopes is…

High Energy Physics - Phenomenology · Physics 2008-11-12 V. A. Okorokov

The resistivity as function of temperature of high temperature superconductors is very unusual and despite its importance lacks an unified theoretical explanation. It is linear with the temperature for overdoped compounds but it falls more…

Superconductivity · Physics 2012-11-19 C. F. S. Pinheiro , E. V. L. de Mello

Using the dielectric theory for a weakly coupled plasma we investigate the stopping power of the ion in a temperature anisotropic magnetized electron plasma. The analysis is based on the assumption that the energy variation of the ion is…

Plasma Physics · Physics 2007-05-23 H. B. Nersisyan , M. Walter , G. Zwicknagel

The momentum distribution of the electron in the reaction p+He $\rightarrow$ H + He$^{2+}$ + $e$ is measured for projectile energies $E_p$=300 and 630 keV/u at very small scattering angles of hydrogen. We mainly present two dimensional…

Energy spectra of backscattered and transmitted ions with primary energies of 50 keV and 100 keV interacting with self-supporting foils were recorded with a Time-of-Flight Medium-Energy Ion Scattering setup in a single experiment.…

Materials Science · Physics 2021-02-24 Barbara Bruckner , Philipp M. Wolf , Peter Bauer , Daniel Primetzhofer

The stopping power of Warm Dense Matter (WDM) is estimated by means of the individual contributions of free electrons and bound electrons existing in this special kind of matter, located between classical and degenerate plasmas. For free…

First microscopic theory for electron-phonon energy exchange in Anderson insulators is developed. The major contribution to the cooling power as a function of electron temperature is shown to be directly related to the correlation function…

Mesoscale and Nanoscale Physics · Physics 2019-03-14 Mikhail V. Feigel'man , Vladimir E. Kravtsov

When a charged particle moves through a plasma at a speed much higher than the thermal velocity of the plasma, it is subjected to the force of the electrostatic field induced in the plasma by itself and loses its energy. This process is…

Computational Physics · Physics 2013-12-20 Tsunehiko N. Kato

The electronic stopping power of H and He moving through gold is obtained to high accuracy using time-evolving density-functional theory, thereby bringing usual first-principles accuracies into this kind of strongly coupled, continuum…

Materials Science · Physics 2012-06-26 M. Ahsan Zeb , J. Kohanoff , D. Sanchez-Portal , A. Arnau , J. I. Juaristi , Emilio Artacho

We study electric properties of random resistor networks consisting of resistors of two kinds numerically, focusing on the power loss across each bond. Tuning the ratio of the resistances $r$ and their respective fraction $\alpha$ we find…

Mesoscale and Nanoscale Physics · Physics 2014-08-12 I. A. Sadovskyy , A. Glatz , V. M. Vinokur , P. N. Kropotin , T. I. Baturina

In Paper I, the effective one-electron potentials (OEP) method was introduced and demonstrated as an efficient approach to reduce the computational cost of evaluation of the charge-transfer interaction energy within the effective fragment…

Chemical Physics · Physics 2020-02-04 Bartosz Błasiak , Robert W. Góra , Wojciech Bartkowiak

A curious behavior of electron correlation energy is explored. Namely, the correlation energy is the energy that tends to drive the system toward that of the uniform electron gas. As such, the energy assumes its maximum value when a…

Materials Science · Physics 2019-12-17 Teepanis Chachiyo , Hathaithip Chachiyo

The repeated passage of a coasting ion beam of a storage ring through a thin target induces a shift in the revolution frequency due to the energy loss in the target. Since the frequency shift is proportional to the beam-target overlap, its…

The acceleration of charged particles by interplanetary shocks (IPs) can drain a non-negligible fraction of the plasma pressure. In this study, we have selected 17 IPs observed in-situ at $1\,\text{au}$ by the Advanced Composition Explorer…

Solar and Stellar Astrophysics · Physics 2022-04-06 Liam David , Federico Fraschetti , Joe Giacalone , Robert F. Wimmer-Schweingruber , Lars Berger , David Lario

We simulate dopant profiles for phosphorus implantation into silicon using a new model for electronic stopping power. In this model, the electronic stopping power is factorized into a globally averaged effective charge Z1*, and a local…

Computational Physics · Physics 2009-10-31 D. Cai , C. M. Snell , K. M. Beardmore , N. Gronbech-Jensen

We study numerically the mechanisms of proton acceleration in gas-foil targets driven by an ultraintense femtosecond laser pulse. The target consists of a near-critical-density hydrogen gas layer of a few tens of microns attached to a solid…

Plasma Physics · Physics 2021-01-29 Dan Levy , Xavier Davoine , Arnaud Debayle , Laurent Gremillet , Victor Malka

A first measurement is reported of the longitudinal proton structure function F_L(x,Q^2) at the ep collider HERA. It is based on inclusive deep inelastic e^+p scattering cross section measurements with a positron beam energy of 27.5 GeV and…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

We have simultaneously measured angular distributions and electronic energy loss of helium ions and protons directly transmitted through self-supporting, single-crystalline silicon foils. We have compared the energy loss along channelled…

Materials Science · Physics 2020-03-11 Svenja Lohmann , Daniel Primetzhofer

We present a method to measure the kinetic energy of electrons emitted upon ion impact via their time-of-flight. Pulsed beams of H$^{+}$, D$_2^{+}$, He$^{+}$ and Ne$^{+}$ ions with velocities between 0.4 and 3.5 a.u. are transmitted through…

Instrumentation and Detectors · Physics 2020-08-26 Svenja Lohmann , Anna Niggas , Vincent Charnay , Radek Holeňák , Daniel Primetzhofer

The threshold displacement energy in solid state detector materials varies from several eV to ~100 eV. If a stable or long lived defect is created as a result of a nuclear recoil event, some part of the recoil energy is stored in the…

Instrumentation and Detectors · Physics 2022-10-05 Matti Heikinheimo , Sebastian Sassi , Kimmo Tuominen , Kai Nordlund , Nader Mirabolfathi