中文
相关论文

相关论文: Modeling of Real and Imaginary Phase Shifts for $\…

200 篇论文

An algorithm$^{\ref{Fig1}}$ has been developed with the purpose of obtaining inverse potentials, where the Riccati-type non-linear differential equation, also called phase equation, has been kept in tandem with the Variational Monte Carlo…

核理论 · 物理学 2024-04-09 Anil Khachi , Shikha Awasthi , Lalit Kumar , O. S. K. S Sastri

The neutron-deuteron (nd) and proton-deuteron (pd) scattering are the simplest nucleon-nucleus scenario which throws light on understanding few body systems. In this work, real and imaginary parts of scattering phase shifts (SPS) for nd and…

核理论 · 物理学 2023-04-21 Shikha Awasthi , O. S. K. S. Sastri

In this paper we have constructed inverse isospectral potentials for 1S0-nn state by fitting the experimental SPS using Variational Monte-Carlo technique in tandem with PFM technique. The isospectral potentials are obtained such that the…

核理论 · 物理学 2023-10-02 Anil Khachi

The Riccati-type nonlinear differential equation, also known as the Variable Phase Approach or Phase Function Method, is used to construct local inverse potentials for the \( ^3S_1 \) and \( ^1S_0 \) states of the deuteron. The Morse…

核理论 · 物理学 2024-07-08 Anil Khachi , Gabor Balassa

Background: The phase-shift analysis for proton-proton scattering has been studied by various research groups using the realistic potentials to be comprised of various internal interactions based on an exchange of pions and mesons,…

核理论 · 物理学 2024-04-10 Lalit Kumar , Arushi Sharma , Anil Khachi , Ayushi Awasthi , O. S. K. S. Sastri

The Laplace transform approach with convolution theorem is used to find the scattering phase shifts of a Mie-type potential. The normalized scattering wave functions are also studied. The bound state spectrum and the corresponding…

量子物理 · 物理学 2017-09-06 Altug Arda , Tapas Das

In this paper, we have made a comparative study of alpha-alpha scattering using different phenomenological models like Morse, double Gaussian, double Hulthen, Malfliet-Tjon and double exponential for the nuclear interaction and atomic…

核理论 · 物理学 2023-07-26 Ayushi Awasthi , O. S. K. S. Sastri

Background: The study of np and pp scattering, central to understanding nuclear force, remains an optional topic in many undergraduate nuclear physics curriculum. Purpose: The main thrust of this paper is to study pp scattering using the…

核理论 · 物理学 2024-05-02 Shikha Awasthi , Anil Khachi , O. S. K. S. Sastri

In this paper, we determine deuteron's static properties, low energy scattering parameters, total cross-section and form factors from inverse S-wave potentials constructed using Morse function. The scattering phase shifts (SPS) at different…

核理论 · 物理学 2022-09-09 Anil Khachi , Lalit Kumar , M. R. Ganesh Kumar , O. S. K. S Sastri

The neutron and proton scattering with either deuteron or stable alpha particle can be modeled as a two particle system. In this paper, using Morse function as reference potential, inverse potentials have been computationally constructed…

核理论 · 物理学 2022-09-27 Lalit Kumar , Shikha Awasthi , Anil Khachi , O. S. K. S Sastri

The general formulas to calculate the phase shifts of wave function of a particle scattering on a target formed by a pair of non-identical zero-range potentials are derived. It is shown that at asymptotically great distances from the target…

量子物理 · 物理学 2022-06-20 A. S. Baltenkov , I. Woiciechowski

Understanding neutron-proton(np) interaction has been one of the most studied problems. One way to construct model interaction has been using inversion potentials obtained from experimental scattering phase shifts(SPS). Here, we show that,…

核理论 · 物理学 2021-05-03 Anil Khachi , Lalit Kumar , O. S. K. S. Sastri

A simple way to generate low energy phase shifts for elastic scattering using bound-state calculations is postulated, validated and applied to the problem of e+ - Mg scattering. The essence of the method is to use the energy shift between a…

原子物理 · 物理学 2007-05-23 J. Mitroy , M. W. J. Bromley

In this paper, the np - scattering phase shifts and cross section for S,P and D partial waves have been obtained for energies below the pion threshold, by considering Deng-Fan potential as model of interaction. The radial time independent…

核理论 · 物理学 2023-10-03 Ayushi Awasthi , O. S. K. S Sastri

Elastic $pp$ scattering at LHC energies is treated in Additive Quark Model together with Pomeron exchange theory. The obtained results are compared with the new experimental data on the ratio of real to imaginary part of the scattering…

高能物理 - 唯象学 · 物理学 2018-08-01 Yu. M. Shabelski , A. G. Shuvaev

A complete and consistent inversion technique is proposed to derive an accurate interaction potential from an effective-range function for a given partial wave in the neutral case. First, the effective-range function is Taylor or Pad\'e…

Distance-dependent phase shifts, amplitude functions, and radial wave functions for neutron-alpha elastic scattering are studied using the Variable Phase Approach. The microscopic KKNN potential is employed to calculate scattering…

核理论 · 物理学 2025-12-16 Anil Khachi

In this article, we propose a numerical approach to solve quantum mechanical scattering problems, using phase function method, by considering neutron-proton interaction as an example. The nonlinear phase equation, obtained from the…

核理论 · 物理学 2023-10-12 Shikha Awasthi , Anil Khachi , Lalit Kumar , O. S. K. S. Sastri

The J-matrix method of scattering is used to obtain analytic expressions for the phase shift of two classes of relativistic exponential-type separable potentials whose radial component is either of the general form r^(n-1)exp(-r) or…

数学物理 · 物理学 2009-11-07 A. D. Alhaidari

The variable phase approach to potential scattering with regular spherically symmetric potentials satisfying (\ref{1e}), and studied by Calogero in his book$^{5}$, is revisited, and we show directly that it gives the absolute definition of…

数学物理 · 物理学 2015-06-26 K. Chadan , R. Kobayashi , T. Kobayashi
‹ 上一页 1 2 3 10 下一页 ›