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Earlier we showed that the fine structure of the spectrum of amplitude variations in the results of measurements of the processes of different nature (in other words, the fine structure of the dispersion of results or the pattern of the…

综合物理 · 物理学 2007-05-23 Simon E. Shnoll

A generalized form of the Hastings and Levitov (HL) algorithm for simulation of diffusion-limited aggregation (DLA) restricted in a sector geometry is studied. It is found that this generalization with uniform measure produces "wedge-like"…

统计力学 · 物理学 2010-08-09 F. Mohammadi , A. A. Saberi , S. Rouhani

A good fit to the CDF underlying event is obtained in the multiple parton scattering picture using HERWIG, after modifying the cluster hadronization algorithm as suggested by our previous study and adopting a larger maximum cluster size.…

高能物理 - 唯象学 · 物理学 2009-11-10 K. Odagiri

Event-by-event fluctuations and correlations in azimuthal angle are currently widely investigated in various experiments. In this paper the $\Phi$ measure (earlier used in experiments to evaluate fluctuations in transverse momentum) is now…

核实验 · 物理学 2019-08-14 Tomasz Cetner , Katarzyna Grebieszkow

An analytical expression of the strain distribution due to lattice mismatch is obtained in an infinite isotropic elastic medium (a matrix) with a three-dimensional polyhedron-shaped inclusion (a quantum dot). The expression was obtained…

其他凝聚态物理 · 物理学 2013-08-27 A. V. Nenashev , A. V. Dvurechenskii

Several systems involve spatial arrangements of elements such as molecules or cells, the characterization of which bears important implications to biological and physical investigations. Traditional approaches to quantify spatial order and…

组织与器官 · 定量生物学 2007-09-19 Luciano da Fontoura Costa , Fernando Rocha , Silene Araujo de Lima

The fractal properties of models of randomly placed $n$-dimensional spheres ($n$=1,2,3) are studied using standard techniques for calculating fractal dimensions in empirical data (the box counting and Minkowski-sausage techniques). Using…

凝聚态物理 · 物理学 2009-10-28 Daniel A. Hamburger , Ofer Biham , David Avnir

In this paper we study the combined effects of size and shape of small solid state particles on the absorption, emission and scattering characteristics. We use the statistical approach to calculate these optical properties. In this approach…

天体物理学 · 物理学 2009-11-10 M. Min , J. W. Hovenier , A. de Koter

The two particle interferometry method to determine the size of the emitting source after a heavy ion collision is extended. Following the extension of the method to spherical expansion dynamics, here we extend the method to rotating…

核理论 · 物理学 2016-05-04 S. Velle , S. Mehrabi Pari , L. P. Csernai

Recently studies of the differential nature of the flow angle fluctuations, known as event plane angular decorrelation, indicated that measurements that assume a common symmetry plane may need to consider the flow angle fluctuations effect.…

核理论 · 物理学 2022-10-26 Niseem Magdy

We consider the inverse elastic scattering of incident plane compressional and shear waves from the knowledge of the far field patterns. Specifically, three direct sampling methods for location and shape reconstruction are proposed using…

数值分析 · 数学 2018-03-14 Xia Ji , Xiaodong Liu , Yingxia Xi

This paper introduces a dependent toroidal distribution, to analyze astigmatism data following cataract surgery. Rather than utilizing the flat torus, we opt to represent the bivariate angular data on the surface of a curved torus, which…

应用统计 · 统计学 2024-09-11 Buddhananda Banerjee , Surojit Biswas

A rapidly expanding fireball which undergoes first-order phase transition will supercool and proceed via spinodal decomposition. Hadrons are produced from the individual fragments as well as the left-over matter filling the space between…

核理论 · 物理学 2016-09-21 Boris Tomasik , Martin Schulc , Ivan Melo , Renata Kopecna

We propose an application of the Kolmogorov-Smirnov test for rapidity distributions of individual events in ultrarelativistic heavy ion collisions. The test is particularly suitable to recognise non-statistical differences between the…

Regular variation provides a convenient theoretical framework to study large events. In the multivariate setting, the dependence structure of the positive extremes is characterized by a measure - the spectral measure - defined on the…

机器学习 · 统计学 2021-02-24 Meyer Nicolas , Olivier Wintenberger

A method for selecting events with densely populated narrow regions or spikes in a given data sample is discussed. Applying this method to 200 A GeV/c 32S-AgBr and 32S-Gold collision data, a few events having "hot regions" are chosen for…

核实验 · 物理学 2015-10-13 Shakeel Ahmad , M. M. Khan , Shaista Khan , A. Khatun , M. Irfan

We introduce a new method for category-level pose estimation which produces a distribution over predicted poses by integrating 3D shape estimates from a generative object model with segmentation information. Given an input depth-image of an…

计算机视觉与模式识别 · 计算机科学 2019-05-30 Benjamin Burchfiel , George Konidaris

This work introduces and compares approaches for estimating rare-event probabilities related to the number of edges in the random geometric graph on a Poisson point process. In the one-dimensional setting, we derive closed-form expressions…

概率论 · 数学 2020-07-14 Christian Hirsch , Sarat B. Moka , Thomas Taimre , Dirk P. Kroese

For robots to operate robustly in the real world, they should be aware of their uncertainty. However, most methods for object pose estimation return a single point estimate of the object's pose. In this work, we propose two learned methods…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Brian Okorn , Mengyun Xu , Martial Hebert , David Held

We compute resummed and matched predictions for jet angularities in hadronic dijet and Z+jet events with and without grooming the candidate jets using the SoftDrop technique. Our theoretical predictions also account for non-perturbative…

高能物理 - 唯象学 · 物理学 2022-03-23 Daniel Reichelt , Simone Caletti , Oleh Fedkevych , Simone Marzani , Steffen Schumann , Gregory Soyez