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We report results of differential cross sections for elastic scattering, target-elastic Ps excitations and target-inelastic excitation of hydrogen in a five-state coupled-channel model allowing for Ps(1s)H(2s,2p) and Ps(2s,2p)H(1s)…

原子物理 · 物理学 2009-11-06 Sadhan K. Adhikari

I review the status of next-to-leading-order calculations for hadronic final states in deeply-inelastic lepton--nucleon scattering. In more detail, I focus on calculations of (2+1)-jet-type cross sections, describe recent progress in…

高能物理 - 唯象学 · 物理学 2008-11-26 Dirk Graudenz

Particle transport in complex environments such as the interior of living cells is often (transiently) non-Fickian or anomalous, that is, it deviates from the laws of Brownian motion. Such anomalies may be the result of small-scale…

统计力学 · 物理学 2022-02-15 Cai Dieball , Diego Krapf , Matthias Weiss , Aljaž Godec

Angular distributions of differential cross sections for the interaction of $K^{+}$ mesons with $^{^{12}}$C nucleus at beam momenta of 635, 715, and 800 MeV/c have been analyzed using 3$\alpha$-particle model of $^{^{12}}$C. Differential…

核理论 · 物理学 2012-10-11 Ahmed A. Ebrahim

Stochastic Structural Stability Theory (SSST) provides an autonomous, deterministic, nonlinear dynamical system for evolving the statistical mean state of a turbulent system. In this work SSST is applied to the problem of understanding the…

流体动力学 · 物理学 2014-12-30 Brian F. Farrell , Petros J. Ioannou

Unified systematic of elastic scattering data (USESD) proposed by the authors (arxiv:1111.4984 [hep-ph]) is based on symmetrized 2-dimensional Fermi distribution for pp elastic scattering amplitude in the impact parameter representation. It…

高能物理 - 唯象学 · 物理学 2012-10-30 V. Uzhinsky , A. Galoyan

We investigate the energy spectrum of systems of two, three and four spin-1/2 fermions with short range attractive interactions both exactly, and within the scattering length approximation. The formation of molecular bound states and the…

量子气体 · 物理学 2011-09-09 S. Q. Zhou , D. M. Ceperley , Shiwei Zhang

This paper explores the use of low-dimensional parametric representations of neutron-star equations of state that include discontinuities caused by phase transitions. The accuracies of optimal piecewise-analytic and spectral representations…

高能天体物理现象 · 物理学 2024-07-24 Lee Lindblom

Recently developed time-independent bound-state perturbation theory is extended to treat the scattering domain. The changes in the partial wave phase shifts are derived explicitly and the results are compared with those of other methods.

核理论 · 物理学 2009-11-11 B. Gonul , M. Kocak

The ISR and the 7 TeV LHC data indicate that the differential cross-section of elastic proton-proton scattering remains almost energy-independent at the transferred momentum $t\approx - 0.21\, \mathrm{GeV}^{2}$ at the level of $\approx 7.5…

高能物理 - 唯象学 · 物理学 2018-05-09 A. P. Samokhin , V. A. Petrov

A general problem of $2\rightarrow N_f$ scattering is addressed with all the states being wave packets with arbitrary phases. Depending on these phases, one deals with coherent states in $(3+1)$ D, vortex particles with orbital angular…

高能物理 - 唯象学 · 物理学 2017-03-13 Dmitry Karlovets

Quantum-mechanical scattering states are energy eigenstates obeying particular boundary conditions, whose behavior at infinity encodes the S-matrix which defines the outcoming of scattering experiments. With an eye toward numerical…

量子物理 · 物理学 2026-05-19 Scott Lawrence , Yukari Yamauchi

In order to test the $^{16}$C internal wave function, we perform microscopic coupled-channels (MCC) calculations of the $^{16}$C($0_1^+ \to 2_1^+$) inelastic scattering by $^{208}$Pb target at $E/A$=52.7 MeV using the antisymmetrized…

核理论 · 物理学 2009-11-11 M. Takashina , Y. Kanada-En'yo , Y. Sakuragi

Differential cross sections and analyzing powers for elastic scattering from, and for inelastic proton scattering to a set of $2^+_1$ states in, ${}^{12}$C, ${}^{20}$Ne, ${}^{24}$Mg, ${}^{28}$Si and ${}^{40}$Ca, and for a set of energies…

核理论 · 物理学 2008-11-26 Y. J. Kim , K. Amos , S. Karataglidis , W. A. Richter

Data from H1 and ZEUS on the structure and the quark and gluon densities of the proton are discussed. A brief excursion is made into the field of inclusive diffraction by deep inelastic scattering. The comparison of e- p and e+ p scattering…

高能物理 - 实验 · 物理学 2014-11-17 Guenter Wolf

We demonstrate the existence of an anomalous structure in the data on the diffractive elastic scattering of hadrons at high energies and small momentum transfer. We analyze five sets of experimental data on $p(\overline{p})-p $ scattering…

高能物理 - 唯象学 · 物理学 2009-10-28 S. Barshay , P. Heiliger

We discuss the determination of the parameters of the pp and ppbar amplitudes for the description of scattering in the Coulomb interference region. We put enphasis on the possibility that the effective slope observed in the differential…

高能物理 - 唯象学 · 物理学 2009-05-28 Anderson Kendi , Erasmo Ferreira , Takeshi Kodama

We present a scattering-state description for the non-equilibrium multichannel charge transport in the presence of electron-vibration couplings. It is based on an expansion of scattering orders of eigenchannel states. Examining charge…

介观与纳米尺度物理 · 物理学 2013-07-16 Sejoong Kim , Young-Woo Son

We examine transport properties of superconducting hybrid mesoscopic structures, in both the diffusive and ballistic regimes. For diffusive structures, analytic results from quasi-classical theory are compared with predictions from…

凝聚态物理 · 物理学 2009-10-28 N. R. Claughton , R. Raimondi , C. J. Lambert

New experimental results for the elastic scattering of 6He on 64Zn at incident energies of 15.0 and 18.0 MeV and 4He at 17.5 MeV along with results already published at 10.0 and 13.6 MeV, are presented. Elastic and alpha experimental cross…