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Very low-energy scattering of orthopositronium by helium has been investigated for simultaneous study of elastic cross section and pick-off quenching rate using a model exchange potential. The present calculational scheme, while agrees with…

Atomic and Molecular Clusters · Physics 2009-10-31 Sadhan K. Adhikari , P. K. Biswas , R. A. Sultanov

The charge-exchange (3He,t) scattering to the isobaric analog state (IAS) of the target can be considered as "elastic" scattering of 3He by the isovector term of the optical potential (OP) that flips the projectile isospin. Therefore, the…

Nuclear Theory · Physics 2015-06-18 Bui Minh Loc , Dao T. Khoa , R. G. T. Zegers

Absolute cross sections are measured for charge-exchange, ionization, and excitation within the same experimental setup for the Li$^{+}-$Ar, K$^{+}-$ Ar, and Na$^{+}-$ He collisions in the ion energy range $0.5-10$ keV. Results of our…

We theoretically study slow collisions of NH$_3$ molecules with He atoms, where we focus in particular on the observation of scattering resonances. We calculate state-to-state integral and differential cross sections for collision energies…

We present a detailed study of the effect of different three-nucleon interaction models in p-3He elastic scattering at low energies. In particular, two models have been considered: one derived from effective field theory at…

Nuclear Theory · Physics 2015-06-16 M. Viviani , L. Girlanda , A. Kievsky , L. E. Marcucci

A microscopic version of the Continuum Discretized Coupled Channel (CDCC) method is used to investigate $^{6}$He scattering on $^{27}$Al, $^{58}$Ni, $^{120}$Sn, and $^{208}$Pb at energies around the Coulomb barrier. The $^{6}$He nucleus is…

Nuclear Theory · Physics 2016-03-30 P. Descouvemont

We present a mathematically rigorous method for solving three-atomic bound state and scattering problems. The method is well suited for applications in systems where the inter-atomic interaction is of a hard-core nature. It has been…

Chemical Physics · Physics 2008-02-03 A. K. Motovilov , S. A. Sofianos , E. A. Kolganova

Benchmarking simulation codes for electron transport and scattering in matter is a crucial step for estimating uncertainties in many applications. However, experimental data for electron energies of a few MeV is scarce to make such…

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

A spin-polarized triplet metastable helium (He*) beam has been used as a probe for surface magnetism, but changes in the spin state during scattering from a surface remain unclear. In the present study, we explored this issue by…

Atomic Physics · Physics 2023-02-22 Haruka Maruyama , Mitsunori Kurahashi , Kanta Asakawa , Atsushi Hatakeyama

We apply the cluster-folding (CF) model for $\vec{p}+^{6}$He scattering at 200 MeV, where the potential between $\vec{p}$ and $^{4}$He is fitted to data on $\vec{p}+^{4}$He scattering at 200 MeV. For $\vec{p}+^{6}$He scattering at 200 MeV,…

Nuclear Theory · Physics 2021-04-14 Masahiro Ishii , Yasunori Iseri , Masanobu Yahiro

A day-1 EIC detector should be prepared to carry out inclusive DIS measurements from electron collisions with nucleon and nuclear beams. Here I consider the scientific motivation for spin-dependent DIS measurements from a polarized $^3$He…

Nuclear Experiment · Physics 2018-09-18 Richard Milner

The semi-exclusive averaged reduced cross sections for (anti)neutrino charged current quasi-elastic scattering on carbon, oxygen, and argon are analyzed within the relativistic distorted wave impulse approximation. We found that these cross…

High Energy Physics - Phenomenology · Physics 2023-10-09 A. V. Butkevich

The experimental characterization of scattering resonances in low energy collisions has proven to be a stringent test for quantum chemistry calculations. Previous measurements on the NO-H$_2$ system at energies down to $10$ cm$^{-1}$…

We employ shot noise measurements to characterize the effective charge of quasiparticles, at filling factor nu=1/3 of the fractional quantum Hall regime, as they scatter from an array of identical weak backscatterers. Upon scattering,…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 E. Comforti , Y. C. Chung , M. Heiblum , V. Umansky

The recent theoretical and experimental activities in positronium (Ps) scattering by atoms and molecules are reviewed with special emphasis at low energies. We critically compare the results of different groups $-$ theoretical and…

Chemical Physics · Physics 2009-11-07 Sadhan K. Adhikari

Experimental spectra from medium energy ion scattering were compared to Monte-Carlo simulations (employing the TRBS code) to obtain information on the scattering potential. The impact of uncertainties in the interatomic potential on…

Materials Science · Physics 2020-04-22 Barbara Bruckner , Tomas Strapko , Mauricio A. Sortica , Peter Bauer , Daniel Primetzhofer

Experimental and theoretical state-selective X-ray spectra resulting from single-electron capture in charge exchange (CX) collisions of Ne^10+ with He, Ne, and Ar are presented for a collision velocity of 933 km s^-1 (4.54 keV nucleon^-1),…

High Energy Astrophysical Phenomena · Physics 2015-05-19 R. Ali , P. A. Neill , P. Beiersdorfer , C. L. Harris , D. R. Schultz , P. C. Stancil

In light of its ubiquitous presence in the interstellar gas, the chemistry and reactivity of the HCO+ ion requires special attention. The availability of up-to-date collisional data between this ion and the most abundant perturbing species…

Astrophysics of Galaxies · Physics 2022-01-13 F. Tonolo , L. Bizzocchi , M. Melosso , F. Lique , L. Dore , V. Barone , C. Puzzarini

Fast dynamic processes between electrons in solids and a foreign atom represent a fundamental challenge for describing interactions in many-body systems and are a prerequisite for modelling materials modification. We experimentally…

Strongly Correlated Electrons · Physics 2026-05-07 Radek Holeňák , Kevin Vomschee , Eleni Ntemou , Svenja Lohmann , Daniel Primetzhofer