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Related papers: Analysis of (pi^{+-},K^+) and (K^-,K^+) hypernucle…

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Quasiparticle interference imaging (QPI) provides a route to characterize electronic structure from real space images acquired using scanning tunneling microscopy. It emerges due to scattering of electrons at defects in the material. The…

Strongly Correlated Electrons · Physics 2025-11-12 Peter Wahl , Luke C. Rhodes , Carolina A. Marques

Diffractive photoproduction of D*+/-(2010) mesons was measured with the ZEUS detector at the ep collider HERA, using an integrated luminosity of 78.6 pb^{-1}. The D* mesons were reconstructed in the kinematic range: transverse momentum…

High Energy Physics - Experiment · Physics 2008-11-26 ZEUS Collaboration , S. Chekanov

Within the framework of non-relativistic quantum mechanics, the ro-vibrational energy spectra of the improved deformed exponential-type potential model are obtained using the Greene-Aldrich approximation scheme and an appropriate coordinate…

Chemical Physics · Physics 2020-01-15 Uduakobong S. Okorie , Akpan N. Ikot , Ephraim O. Chukwuocha

We present a high-statistics measurement of differential cross sections and the total cross section for the process gamma gamma -> pi^0 pi^0 in the kinematic range 0.6 GeV <= W <= 4.0 GeV and |cos theta*| <= 0.8, where W and theta* are the…

High Energy Physics - Experiment · Physics 2009-10-06 Belle Collaboration , S. Uehara , Y. Watanabe

We calculate the single-particle spectral function for doped bilayer graphene in the low energy limit, described by two parabolic bands with zero band gap and long range Coulomb interaction. Calculations are done using thermal Green's…

Mesoscale and Nanoscale Physics · Physics 2014-04-18 Andro Sabashvili , Stellan Östlund , Mats Granath

A semiclassical distorted wave (SCDW) model with Wigner transform of one-body density matrix is presented for multistep direct $(p,p^{\prime}x)$ reactions to the continuum. The model uses Wigner distribution functions obtained in methods…

Nuclear Theory · Physics 2007-05-23 M. K. Gaidarov , Y. Watanabe , K. Ogata , M. Kohno , M. Kawai , A. N. Antonov

The emission of pions produced within a dense, strongly-interacting system of matter in the presence of strong radial flow and absorption is described using a relativistic optical model formalism, replacing the attenuated or unattenuated…

Nuclear Theory · Physics 2008-11-26 Gerald A. Miller , John G. Cramer

We investigate the A$(\pi^+,K^+){_\Lambda}$A reaction within a covariant model. We consider those amplitudes which are described by creation, propagation and decay into relevant channel of $N^*$(1650), $N^*$(1710), and $N^*$(1720)…

Nuclear Theory · Physics 2010-05-25 S. Bender , R. Shyam , H. Lenske

The processes leading to the exceptionally hard radio spectra of pulsar-wind nebulae (PWNe) are not yet understood. Radio photon spectral indices among $29$ PWNe from the literature show an approximately normal, $\alpha=0.2\pm0.2$…

High Energy Astrophysical Phenomena · Physics 2022-09-21 Ofir Arad , Assaf Lavi , Uri Keshet

Low energy $\pi^+$ emission in hypernuclear weak decays is studied in the soft pion limit. It is found that the $\pi^+$ decay amplitude is dominated by the $\Delta I=3/2$ part of nonmesonic weak decays according to the soft pion theorem.…

Nuclear Theory · Physics 2016-09-08 Makoto Oka

Diffusion tensor imaging (DTI) holds significant importance in clinical diagnosis and neuroscience research. However, conventional model-based fitting methods often suffer from sensitivity to noise, leading to decreased accuracy in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Jialong Li , Zhicheng Zhang , Yunwei Chen , Qiqi Lu , Ye Wu , Xiaoming Liu , QianJin Feng , Yanqiu Feng , Xinyuan Zhang

Eigenvalues and eigenfunctions of Mathieu's equation are found in the short wavelength limit using a uniform approximation (method of comparison with a `known' equation having the same classical turning point structure) applied in Fourier…

Quantum Physics · Physics 2011-06-09 Duncan H. J. O'Dell

A Green's function approach is presented for the D-dimensional inverse square potential in quantum mechanics. This approach is implemented by the introduction of hyperspherical coordinates and the use of a real-space regulator in the…

High Energy Physics - Theory · Physics 2007-05-23 Horacio E. Camblong , Carlos R. Ordonez

Employing the self-consistent Green's function approach, we studied the temperature dependence of the spin-wave stiffness in diluted magnetic semiconductors. Note that the Green's function approach includes the spatial and temperature…

Materials Science · Physics 2009-11-11 Shih-Jye Sun , Hsiu-Hau Lin

We examine theoretically production of doubly strange hypernuclei, 16 {\Xi}-C and 16 {\Lambda}{\Lambda}C, in doublecharge exchange 16O(K-, K+) reactions using a distorted-wave impulse approximation. The inclusive K+ spectrum at the incident…

Nuclear Theory · Physics 2014-11-21 Toru Harada , Yoshiharu Hirabayashi , Atsushi Umeya

Differential cross sections of the photo- and electroproduction of the hypertriton have been calculated by utilizing modern nuclear wave functions and the elementary operator of KAON-MAID. It is found that a proper treatment of Fermi motion…

Nuclear Theory · Physics 2008-11-26 T. Mart , B. I. S. van der Ventel

We propose formulas of the nuclear beta-decay rate that are useful in a practical calculation. The decay rate is determined by the product of the lepton and hadron current densities. A widely used formula relies upon the fact that the…

Nuclear Theory · Physics 2021-04-01 W. Horiuchi , T. Sato , Y. Uesaka , K. Yoshida

For fixed $W\in \big(0,\frac{1}{2}\big)$ and positive integer $N\geq 1,$ the discrete prolate spheroidal wave functions (DPSWFs), denoted by $U_{k,W}^N,$ $0\leq k\leq N-1$ form the set of the eigenfunctions of the positive and finite rank…

Classical Analysis and ODEs · Mathematics 2019-05-22 M. Boulsane , N. H. Bourguiba , A. Karoui

The charged-current quasi-elastic scattering of muon neutrino on oxygen target is computed for neutrino energy between 200 MeV and 2.5 GeV using different approximations: the Plane Wave Impulse Approximation (PWIA), the Relativistic…

Nuclear Theory · Physics 2014-11-18 A. V. Butkevich , S. A. Kulagin

Quantifying materials' dynamical responses to external electromagnetic fields is central to understanding their physical properties. Here we present an implementation of the density functional perturbation theory for the computation of…

Materials Science · Physics 2023-01-03 Xiaoqiang Liu , Yihao Lin , Ji Feng