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Various physics observables can be determined from the localisation of distinct edge-like features in distributions of measurement values. In this paper, we address the observation that neither differentiating nor fitting the measured…

高能物理 - 实验 · 物理学 2021-07-14 Mikael Berggren , Stefano Caiazza , Madalina Chera , Jenny List

We extend an hypergraph representation, introduced by Finkelstein and Roytberg, to unify dynamic programming algorithms in the context of RNA folding with pseudoknots. Classic applications of RNA dynamic programming energy minimization,…

定量方法 · 定量生物学 2011-06-21 Yann Ponty , Cédric Saule

The renormalization of the effective field theories (EFTs) in many-body systems is the most pressing and challenging problem in modern nuclear ab initio calculation. For general non-relativistic EFTs, we prove that the renormalization group…

核理论 · 物理学 2023-08-29 Bing-Nan Lu , Bao-Ge Deng

GENFIT is an experiment-independent track-fitting toolkit that combines fitting algorithms, track representations, and measurement geometries into a modular framework. We report on a significantly improved version of GENFIT, based on…

仪器与探测器 · 物理学 2016-10-11 Johannes Rauch , Tobias Schlüter

Incorporating computer programming exercises into introductory physics is a delicate task that involves a number of choices that may have an effect on student learning. We present a "hybrid" approach that speaks to a number of common…

物理教育 · 物理学 2018-11-14 Chris Orban , Richelle M. Teeling-Smith , Joseph R. H. Smith , Chris D. Porter

In this theoretical study, we have derived a simplified analytical expression for the binding energy per nucleon as a function of density and isospin asymmetry within the relativistic mean-field model. We have generated a new…

核理论 · 物理学 2024-03-06 Praveen K. Yadav , Raj Kumar , M. Bhuyan

We present development of a genetic algorithm for fitting potential energy curves of diatomic molecules to experimental data. Our approach does not involve any functional form for fitting, which makes it a general fitting procedure. In…

化学物理 · 物理学 2017-09-20 Ian Stevenson , Jesús Pérez-Ríos

Low energy nuclear physics experiments are transitioning towards fully digital data acquisition systems. Realizing the gains in flexibility afforded by these systems relies on equally flexible data reduction techniques. In this paper,…

数据分析、统计与概率 · 物理学 2024-10-01 Caleb Marshall

Density Functional Theory (DFT) is a powerful and accurate tool exploited in Nuclear Physics to investigate the ground-state and some collective properties of nuclei along the whole nuclear chart. Models based on DFT are, however, not…

核理论 · 物理学 2017-10-26 X. Roca-Maza , Y. F. Niu , G. Colò , P. F. Bortignon

In this work, we present the first implementation of the face-centered cubic (FCC) lattice model for protein structure prediction with a quantum algorithm. Our motivation to encode the FCC lattice stems from our observation that the FCC…

Multimodal image matching is an important prerequisite for multisource image information fusion. Compared with the traditional matching problem, multimodal feature matching is more challenging due to the severe nonlinear radiation…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Jiayuan Li , Pengcheng Shi , Qingwu Hu , Yongjun Zhang

The Skyrme nuclear energy density functional theory (DFT) is used to model neutron-induced fission in actinides. This paper focuses on the numerical implementation of the theory. In particular, it reports recent advances in DFT code…

核理论 · 物理学 2015-06-12 N. Schunck

Fitted interatomic potentials are widely used in atomistic simulations thanks to their ability to compute the energy and forces on atoms quickly. However, the simulation results crucially depend on the quality of the potential being used.…

其他凝聚态物理 · 物理学 2024-05-07 Mingjian Wen , Junhao Li , Peter Brommer , Ryan S. Elliott , James P. Sethna , Ellad B. Tadmor

A microscopic description of nuclear fission represents one of the most challenging problems in nuclear theory. While phenomenological coordinates, such as multipole moments, have often been employed to describe fission, it is not obvious…

核理论 · 物理学 2023-10-19 N. Hizawa , K. Hagino

We propose an alternative approach to the construction of fitting functions to the nonlinear matter power spectrum extracted from $N$-body simulations based on the relative matter power spectrum $\delta(k,a)$, defined as the fractional…

宇宙学与河外天体物理 · 物理学 2020-03-18 Steen Hannestad , Yvonne Y. Y. Wong

I present a Python package developed for fitting Voigt profiles to absorption lines. The software fits multiple components for various atomic lines simultaneously allowing parameters to be tied and fixed. Moreover, the code is able to…

天体物理仪器与方法 · 物理学 2018-03-06 Jens-Kristian Krogager

Reliable parameter extraction from experimental data is central to quantitative analysis in spectroscopy, diffraction, photoluminescence, chromatography, microscopy, and time-resolved measurements. We present FitED, a Python-based desktop…

数据分析、统计与概率 · 物理学 2026-05-04 Mustafa Mahmoud Aboulsaad

Quantum heuristics have shown promise in solving various optimization problems, including lattice protein folding. Equally relevant is the inverse problem, protein design, where one seeks sequences that fold to a given target structure. The…

Continuum robots, characterized by their high flexibility and infinite degrees of freedom (DoFs), have gained prominence in applications such as minimally invasive surgery and hazardous environment exploration. However, the intrinsic…

机器人学 · 计算机科学 2023-09-26 Peiyu Luo , Shilong Yao , Yiyao Yue , Jiankun Wang , Hong Yan , Max Q. -H. Meng

The Similarity Renormalization Group (SRG) is investigated as a powerful yet practical method to modify nuclear potentials so as to reduce computational requirements for calculations of observables. The key feature of SRG transformations…

核理论 · 物理学 2009-12-16 E. D. Jurgenson