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An efficient neutron detection system with good energy resolution is required to correctly characterize decays of neutron-rich nuclei where $\beta-$delayed neutron emission is a dominant decay mode. The Neutron dEtector with Xn Tracking…

In this paper we show that 1-electron properties such as Compton profiles and structure factors of crystals can be asymptotically retrieved through cluster-based calculations, followed by an appropriate partition of the 1-electron reduced…

Chemical Physics · Physics 2015-06-26 Sebastien Ragot , Jean-Michel Gillet , Pierre J Becker

CR-39 solid-state nuclear track detectors are widely used in fusion research for detecting charged particles produced in fusion reactions. However, analyzing increasingly complex and large-scale CR-39 track images to extract meaningful…

Instrumentation and Detectors · Physics 2025-05-13 Yuxing Wang , Allan Xi Chen , Matthew Salazar , Nawar Abdalla , Zhifei Li , Benjamin Wrixon

Conductance-based graph clustering has been recognized as a fundamental operator in numerous graph analysis applications. Despite the significant success of conductance-based graph clustering, existing algorithms are either hard to obtain…

Data Structures and Algorithms · Computer Science 2022-11-24 Longlong Lin , Rong-Hua Li , Tao Jia

Accurate measuring the location and orientation of individual particles in a beam monitoring system is of particular interest to researchers in multiple disciplines. Among feasible methods, gaseous drift chambers with hybrid pixel sensors…

Data Analysis, Statistics and Probability · Physics 2020-09-22 Pengcheng Ai , Dong Wang , Xiangming Sun , Guangming Huang , Zili Li

A gas electron multiplier (GEM) detector with a gadolinium cathode has been developed to explore its potential application as a neutron detector. It consists of three standard-sized ($10\times 10$ cm${}^{2}$) GEM foils and a thin gadolinium…

Instrumentation and Detectors · Physics 2020-12-07 DongHyun Song , Kyungeon Choi , Youngun Jeng , Yechan Kang , Jason Sang Hun Lee , Inkyu Park , Sunyoung Yoo

We show that a general purpose clusterization algorithm, Deterministic Annealing, can be adapted to the problem of jet identification in particle production by high energy collisions. In particular we consider the problem of jet searching…

High Energy Physics - Phenomenology · Physics 2009-11-10 L. Angelini , G. Nardulli , L. Nitti , M. Pellicoro , D. Perrino , S. Stramaglia

The mission of the Compressed Baryonic Matter (CBM) experiment at the future Facility for Antiproton and Ion Research (FAIR) in Darmstadt is to explore the QCD phase diagram at high net baryon densities likely to exist in the core of…

Nuclear Experiment · Physics 2020-06-24 Anna Senger

The conventional way to search for long-lived CHArged Massive Particles (CHAMPs) is to identify slow (small $\beta$) tracks using delayed time of flight and high ionization energy loss. But at the 7-14 TeV center of mass energy of the LHC,…

High Energy Physics - Phenomenology · Physics 2010-05-12 Jie Chen , Todd Adams

This paper addresses a detection problem where several spatially distributed sensors independently observe a time-inhomogeneous stochastic process. The task is to decide between two hypotheses regarding the statistics of the observed…

Probability · Mathematics 2012-10-05 Chetan D. Pahlajani , Ioannis Poulakakis , Herbert G. Tanner

Density-based spatial clustering of applications with noise (DBSCAN) is a data clustering algorithm which has the high-performance rate for dataset where clusters have the constant density of data points. One of the significant attributes…

Martian terrain recognition is pivotal for advancing our understanding of topography, geomorphology, paleoclimate, and habitability. While deep clustering methods have shown promise in learning semantically homogeneous feature embeddings…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Tejas Panambur , Mario Parente

Particle identification in large high-energy physics experiments typically relies on classifiers obtained by combining many experimental observables. Predicting the probability density function (pdf) of such classifiers in the multivariate…

High Energy Physics - Experiment · Physics 2022-02-11 Giacomo Graziani , Lucio Anderlini , Saverio Mariani , Edoardo Franzoso , Luciano Libero Pappalardo , Pasquale di Nezza

This article proposes a new method to measure the proton detector efficiency for use in "beam" determinations of the free neutron lifetime. There is currently a 4{\sigma} disagreement between the "beam" and "storage" methods of measuring…

Instrumentation and Detectors · Physics 2024-10-07 Grant V. Riley , Nadia Fomin , Jaideep Taggart Singh , William Greene , Rebecca Godri , Evan Adamek , Eli Carter

Most density-based clustering methods largely rely on how well the underlying density is estimated. However, density estimation itself is also a challenging problem, especially the determination of the kernel bandwidth. A large bandwidth…

Machine Learning · Statistics 2015-12-08 Teng Qiu , Yongjie Li

This much revised and shortened PhD thesis contains many ideas that I could not follow up on, like self destructing beams in scattering cells, the depletion enhancing Wittig tube, ionic seeding via beta-decay foil or Langmuir-Taylor…

Chemical Physics · Physics 2010-02-25 Sascha Vongehr

Clustering is a cornerstone of modern data analysis. Detecting clusters in exploratory data analyses (EDA) requires algorithms that make few assumptions about the data. Density-based clustering algorithms are particularly well-suited for…

Machine Learning · Computer Science 2026-02-03 Daniël Bot , Leland McInnes , Jan Aerts

High precision experiments with muons and pions often require tracking charged particles with $O(100~\mu\mathrm{m})$ single-hit resolution, possibly with particle identification capabilities, down to very low momenta ($p \lesssim…

Instrumentation and Detectors · Physics 2023-10-31 G. Cavoto , C. Dutsov , M. Gruber , M. Hildebrandt , T. D. Hume , J. Kaminski , F. Neuhaus , A. Papa , F. Renga , P. Schmidt-Wellenburg , M. Schott , B. Vitali , C. Voena

We present studies of electron identification (eID) in the MPD experiment at NICA using machine learning techniques. The goal is to improve electron identification efficiency while preserving high purity, which is crucial for dielectron…

High Energy Physics - Experiment · Physics 2026-01-07 Sudhir Pandurang Rode

Deuterium fractionation in molecular ions, in particular HCO+, has been extensively used to estimate the degree of ionization in molecular clouds. This paper reviews recent work on ionization degree in homogeneous clouds. We will show that…

Astrophysics · Physics 2009-11-07 Paola Caselli
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