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The performance of nuclear reactors and other nuclear systems depends on a precise understanding of the neutron interaction cross sections for materials used in these systems. These cross sections exhibit resonant structure whose shape is…

Nuclear Theory · Physics 2023-03-23 G. P. A. Nobre , D. A. Brown , S. J. Hollick , S. Scoville , P. Rodríguez

Modern machine learning techniques, such as convolutional, recurrent and recursive neural networks, have shown promise for jet substructure at the Large Hadron Collider. For example, they have demonstrated effectiveness at boosted top or W…

High Energy Physics - Phenomenology · Physics 2018-10-17 Katherine Fraser , Matthew D. Schwartz

The paper explores the feasibility of using machine learning techniques, in particular neural networks, for classification of the experimental data from the joint $^\text{nat}$C(n,p) and $^\text{nat}$C(n,d) reaction cross section…

Data Analysis, Statistics and Probability · Physics 2022-04-12 P. Žugec , M. Barbagallo , J. Andrzejewski , J. Perkowski , N. Colonna , D. Bosnar , A. Gawlik , M. Sabate-Gilarte , M. Bacak , F. Mingrone , E. Chiaveri

An unconventional solution for finding the location of event creation is presented. It is based on two feed-forward neural networks with fixed architecture, whose parameters are chosen so as to reach a high accuracy. The interaction point…

High Energy Physics - Experiment · Physics 2009-10-31 Gideon Dror , Erez Etzion

Cluster repair methods aim to determine errors in clusters and modify them so that each cluster consists of records representing the same entity. Current cluster repair methodologies primarily assume duplicate-free data sources, where each…

Machine Learning · Computer Science 2026-04-10 Victor Christen , Daniel Obraczka , Marvin Hofer , Martin Franke , Erhard Rahm

Convolutional Neural Networks are a well-known staple of modern image classification. However, it can be difficult to assess the quality and robustness of such models. Deep models are known to perform well on a given training and estimation…

Machine Learning · Statistics 2018-02-06 Alexey Chaplygin , Joshua Chacksfield

We have developed a neural network model to perform event reconstruction of Compton telescopes. This model reconstructs events that consist of three or more interactions in a detector. It is essential for Compton telescopes to determine the…

Instrumentation and Methods for Astrophysics · Physics 2022-06-22 Satoshi Takashima , Hirokazu Odaka , Hiroki Yoneda , Yuto Ichinohe , Aya Bamba , Tsuguo Aramaki , Yoshiyuki Inoue

In High Energy Physics experiments Particle Flow (PFlow) algorithms are designed to provide an optimal reconstruction of the nature and kinematic properties of the particles produced within the detector acceptance during collisions. At the…

Data Analysis, Statistics and Probability · Physics 2021-02-10 Francesco Armando Di Bello , Sanmay Ganguly , Eilam Gross , Marumi Kado , Michael Pitt , Lorenzo Santi , Jonathan Shlomi

Machine learning methods have shown great success in various scientific areas, including fluid mechanics. However, reconstruction problems, where full velocity fields must be recovered from partial observations, remain challenging. In this…

Fluid Dynamics · Physics 2025-01-16 Qian Zhang , Dmitry Krotov , George Em Karniadakis

Sophisticated machine learning techniques have promising potential in search for physics beyond Standard Model in Large Hadron Collider (LHC). Convolutional neural networks (CNN) can provide powerful tools for differentiating between…

High Energy Physics - Phenomenology · Physics 2019-12-17 Biplob Bhattacherjee , Swagata Mukherjee , Rhitaja Sengupta

In this article we describe the development of machine learning models to assist the CLAS12 tracking algorithm by identifying tracks through inferring missing segments in the drift chambers. Auto encoders are used to reconstruct missing…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Gagik Gavalian

Monte Carlo simulations of physics processes at particle colliders like the Large Hadron Collider at CERN take up a major fraction of the computational budget. For some simulations, a single data point takes seconds, minutes, or even hours…

Computational Physics · Physics 2023-02-03 Fady Bishara , Ayan Paul , Jennifer Dy

Recently, a number of works have studied clustering strategies that combine classical clustering algorithms and deep learning methods. These approaches follow either a sequential way, where a deep representation is learned using a deep…

Machine Learning · Computer Science 2019-06-13 Severine Affeldt , Lazhar Labiod , Mohamed Nadif

This paper presents a data processing algorithm with machine learning for polarization extraction and event selection applied to photoelectron track images taken with X-ray polarimeters. The method uses a convolutional neural network (CNN)…

Instrumentation and Methods for Astrophysics · Physics 2019-09-04 Takao Kitaguchi , Kevin Black , Teruaki Enoto , Asami Hayato , Joanne E. Hill , Wataru B. Iwakiri , Philip Kaaret , Tsunefumi Mizuno , Toru Tamagawa

In predictive process analytics, current and historical process data in event logs is used to predict the future, e.g., to predict the next activity or how long a process will still require to complete. Recurrent neural networks (RNN) and…

Machine Learning · Computer Science 2020-01-16 Markku Hinkka , Teemu Lehto , Keijo Heljanko

Faithful energy reconstruction is foundational for precision neutrino experiments like DUNE, but is hindered by uncertainties in our understanding of neutrino--nucleus interactions. Here, we demonstrate that dense neural networks are very…

High Energy Physics - Phenomenology · Physics 2025-04-22 Joachim Kopp , Pedro Machado , Margot MacMahon , Ivan Martinez-Soler

We describe a method of reconstructing air showers induced by cosmic rays using deep learning techniques. We simulate an observatory consisting of ground-based particle detectors with fixed locations on a regular grid. The detector's…

Instrumentation and Methods for Astrophysics · Physics 2017-11-01 Martin Erdmann , Jonas Glombitza , David Walz

Convolutional neural networks (CNNs) have been widely applied in the computer vision community to solve complex problems in image recognition and analysis. We describe an application of the CNN technology to the problem of identifying…

High Energy Physics - Experiment · Physics 2016-09-07 A. Aurisano , A. Radovic , D. Rocco , A. Himmel , M. D. Messier , E. Niner , G. Pawloski , F. Psihas , A. Sousa , P. Vahle

A machine-learning approach called "reservoir computing" has been used successfully for short-term prediction and attractor reconstruction of chaotic dynamical systems from time series data. We present a theoretical framework that describes…

Chaotic Dynamics · Physics 2018-08-01 Zhixin Lu , Brian R. Hunt , Edward Ott