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The concept of relativistic scaling is applied to describe the most recent data from inclusive electron-deuteron scattering at large momentum transfer. We calculate the asymptotic scaling function f(y) of the deuteron using its relationship…

Nuclear Theory · Physics 2017-08-23 M. K. Gaidarov , M. V. Ivanov , A. N. Antonov

This paper describes a new method for momentum reconstruction of charged particles using multiple Coulomb scatterings in a nuclear emulsion detector with a layered structure of nuclear emulsion films and target materials. The method…

Convergence of the block iterative method in image reconstruction for positron emission tomography (PET) requires careful control of relaxation parameters, which is a challenging task. The automatic determination of relaxation parameters…

Medical Physics · Physics 2025-01-15 Kibo Ote , Fumio Hashimoto , Yuya Onishi , Yasuomi Ouchi

Background: Understanding nuclear shape is a crucial problem in nuclear physics. In particular, determining the sign of quadrupole deformation, i.e., whether prolate or oblate, remains a challenging problem. Purpose: Our aim is to propose a…

Nuclear Theory · Physics 2024-10-02 Shin Watanabe , Yoshiki Suzuki , Masaaki Kimura , Kazuyuki Ogata

The elastic backward proton-deuteron scattering is analyzed within a covariant approach based on the invariant expansion of the reaction amplitude. The relativistic invariant equations for all the polarization observables are presented.…

Nuclear Theory · Physics 2007-05-23 A. Yu. Illarionov , G. I. Lykasov

Laser-ablated high-energy-density (HED) plasmas offer a promising route to study astrophysically relevant processes underlying collisionless shock formation, magnetic field amplification, and particle acceleration in the laboratory. Using…

Plasma Physics · Physics 2021-05-26 Anna Grassi , Frederico Fiuza

The Harten-Lax-van Leer with contact (HLLC) scheme is known to be plagued by various forms of numerical shock instabilities. In this paper, we propose a new framework for developing shock stable, contact and shear preserving approximate…

Computational Physics · Physics 2018-03-14 Simon Sangeeth , J. C Mandal

This study presents an experimental investigation of the recently established generalized linear sampling method (GLSM) for non-destructive evaluation of damage in elastic materials. To this end, ultrasonic shear waves are generated in a…

Applied Physics · Physics 2021-05-26 Fatemeh Pourahmadian , Hao Yue

Despite their success in microscale modeling of materials, atomistic methods are still limited by short time scales, small domain sizes, and high strain rates. Multiscale formulations can capture the continuum-level response of solids over…

Materials Science · Physics 2022-09-23 Alexander S. Davis , Vinamra Agrawal

This is a review paper on some of the physics, modeling, and iterative algorithms in proton computed tomography (pCT) image reconstruction. The primary challenge in pCT image reconstruction lies in the degraded spatial resolution resulting…

Medical Physics · Physics 2015-10-30 Scott Penfold , Yair Censor

Multiscale experiments in heterogeneous materials and the knowledge of their physics under shock compression are limited. This study examines the multiscale shock response of particulate composites comprised of soda-lime glass particles in…

Applied Physics · Physics 2023-03-22 Suraj Ravindran , Vatsa Gandhi , Barry Lawlor , Guruswami Ravichandran

Present-day and next-generation accelerators, particularly for applications in driving wakefield-based schemes, require longitudinal beam shaping and attendant longitudinal characterization for experimental optimization. Here we present a…

Accelerator Physics · Physics 2021-01-04 Ryan Roussel , Gerard Andonian , James Rosenzweig , Stanislav Baturin

We study the evolution of an accelerating hyperrelativistic shock under the presence of upstream inhomogeneities wrinkling the discontinuity surface. The investigation is conducted by means of numerical simulations using the PLUTO code for…

Astrophysics · Physics 2009-11-13 G. Palma , A. Mignone , M. Vietri , L. Del Zanna

Recently, it was demonstrated that electrochemical doping fronts in organic semiconductors ex- hibit a new fundamental instability growing from multidimensional perturbations [Phys. Rev. Lett. 107, 016103 (2011)]. In the instability…

Materials Science · Physics 2012-02-17 V. Bychkov , O. Yukhimenko , M. Modestov , M. Marklund

We report on the temporally and spatially resolved detection of the precursory stages that lead to the formation of an unmagnetized, supercritical collision-less shock in a laser-driven laboratory experiment. The measured evolution of the…

High Energy Astrophysical Phenomena · Physics 2015-06-15 H Ahmed , ME Dieckmann , L Romagnani , D Doria , G Sarri , M Cherchez , E Ianni , I Kourakis , AL Giesecke , M Notley , R Prasad , K Quinn , O Willi , M Borghesi

A case of two interpenetrating, cold and quasi-neutral ion-electron plasmas is investigated with the multi-fluid approach. We consider that one plasma flows quasi-parallel to the lines of a background magnetic field embedded in another…

High Energy Astrophysical Phenomena · Physics 2019-03-19 Vladimir Zekovic

The application of a matrix-based reconstruction protocol for obtaining Molecular Frame (MF) photoelectron angular distributions (MFPADs) from laboratory frame (LF) measurements (LFPADs) is explored. Similarly to other recent works on the…

Chemical Physics · Physics 2021-09-01 Margaret Gregory , Paul Hockett , Albert Stolow , Varun Makhija

Detecting and analyzing the local environment is crucial for investigating the dynamical processes of crystal nucleation and shape colloidal particle self-assembly. Recent developments in machine learning provide a promising avenue for…

Soft Condensed Matter · Physics 2023-12-20 Shih-Kuang , Lee , Sun-Ting Tsai , Sharon Glotzer

Lung cancer has a high rate of recurrence in early-stage patients. Predicting the post-surgical recurrence in lung cancer patients has traditionally been approached using single modality information of genomics or radiology images. We…

Image and Video Processing · Electrical Eng. & Systems 2020-02-07 Vaishnavi Subramanian , Minh N. Do , Tanveer Syeda-Mahmood

In this paper, we present analytical results for the so-called forward lateral photovoltage scanning (LPS) problem. The (inverse) LPS model predicts doping variations in crystal by measuring the current leaving the crystal generated by a…

Mathematical Physics · Physics 2024-04-17 Giuseppe Alì , Patricio Farrell , Nella Rotundo
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