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Hadronic calorimeters with dual readout measure both scintillation and Cherenkov lights produced in their active media. They offer improvements in energy resolution and, therefore, have become increasingly interesting due to the need for…

Instrumentation and Detectors · Physics 2025-01-14 S. V. Chekanov , S. Eno , S. Magill , C. Palmer , L. Wu

In this article, we introduce and study the concept of $\textit{spherical-vectors}$, which can be perceived as a natural extension of the arguments of complex numbers in the context of quaternions. We initially establish foundational…

Rings and Algebras · Mathematics 2023-05-09 Lahcen Lamgouni

The Gaussian function (GF) is widely used to explain the behavior or statistical distribution of many natural phenomena as well as industrial processes in different disciplines of engineering and applied science. For example, the GF can be…

Signal Processing · Electrical Eng. & Systems 2020-01-08 Ibrahim Al-Nahhal , Octavia A. Dobre , Ertugrul Basar , Cecilia Moloney , Salama Ikki

Comparison of geometric quantities usually means obtaining generally true equalities of different algebraic expressions of a given geometric figure. Today's technical possibilities already support symbolic proofs of a conjectured theorem,…

Computational Geometry · Computer Science 2022-02-10 Zoltán Kovács , Róbert Vajda

A Geant4 based simulation platform of the Holland Proton Therapy Centre (HollandPTC, Netherlands) R&D beamline (G4HPTC-R&D) was developed to enable the planning, optimisation and advanced dosimetry for radiobiological studies. It…

Medical Physics · Physics 2023-06-01 C. F. Groenendijk , M. Rovituso , D. Lathouwers , J. M. C. Brown

We present a novel approach for the integration of scattering cross sections and the generation of partonic event samples in high-energy physics. We propose an importance sampling technique capable of overcoming typical deficiencies of…

High Energy Physics - Phenomenology · Physics 2020-04-29 Enrico Bothmann , Timo Janßen , Max Knobbe , Tobias Schmale , Steffen Schumann

Candidate microstates of a spherically symmetric geometry are constructed in the group field theory formalism for quantum gravity, for models including both quantum geometric and scalar matter degrees of freedom. The latter are used as a…

General Relativity and Quantum Cosmology · Physics 2023-10-17 Daniele Oriti , Yi-Li Wang

Continuous symmetries are fundamental to many scientific and learning problems, yet they are often unknown a priori. Existing symmetry discovery approaches typically search directly in the space of transformation generators or rely on…

Machine Learning · Computer Science 2026-03-10 Pavan Karjol , Kumar Shubham , Prathosh AP

NEWS-G (New Experiments With Spheres-Gas) is an experiment aiming to shine a light on the dark matter conundrum with a novel gaseous detector, the spherical proportional counter. It uses light gases, such as hydrogen, helium, and neon, as…

Instrumentation and Detectors · Physics 2020-04-28 Ioannis Katsioulas

Data-driven discovery of "hidden physics" -- i.e., machine learning of differential equation models underlying observed data -- has recently been approached by embedding the discovery problem into a Gaussian Process regression of spatial…

Machine Learning · Computer Science 2019-08-05 Mamikon Gulian , Maziar Raissi , Paris Perdikaris , George Karniadakis

Neutron tagging is a fundamental technique for electron anti-neutrino detection via the inverse beta decay channel. A reported discrepancy in neutron detection efficiency between observational data and simulation predictions prompted an…

High Energy Physics - Experiment · Physics 2025-02-17 Y. Hino , K. Abe , R. Asaka , S. Han , M. Harada , M. Ishitsuka , H. Ito , S. Izumiyama , Y. Kanemura , Y. Koshio , F. Nakanishi , H. Sekiya , T. Yano

GePEToS is a simulation framework developed over the last few years for assessing the instrumental performance of future PET scanners. It is based on Geant4, written in Object-Oriented C++ and runs on Linux platforms. The validity of…

Medical Physics · Physics 2015-06-26 S. Jan , J. Collot , M. -L. Gallin-Martel , P. Martin , F. Mayet , E. Tournefier

A gas Xe based scintillation proportional counter with cylindrical geometry and wavelength shifting (WLS) fiber readout for X-rays of energy 0.5 - 100 keV is proposed. With such a design large sizes and sensitive area of the counter with a…

High Energy Physics - Experiment · Physics 2009-10-30 D. Akimov , S. Belogurov , A. Burenkov , D. Churakov , V. Kuzichev , V. Morgunov , G. Smirnov , V. Solovov

PARSIFAL (PARametrized SImulation by Farinelli And Lavezzi) is a fast and reliable software tool that reproduces the complete response of a triple-GEM detector to the passage of a charged particle, taking into account the main physical…

As an important and challenging problem in computer vision, PAnoramic Semantic Segmentation (PASS) gives complete scene perception based on an ultra-wide angle of view. Usually, prevalent PASS methods with 2D panoramic image input focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Xuewei Li , Tao Wu , Zhongang Qi , Gaoang Wang , Ying Shan , Xi Li

The principle of using strongly scattering materials to recover efficiency in neutron detectors, via back-scattering of unconverted thermal neutrons, is discussed in general. Feasibility of the method is illustrated through Geant4-based…

Instrumentation and Detectors · Physics 2015-09-11 Thomas Kittelmann , Esben Klinkby , Xiao Xiao Cai , Kalliopi Kanaki , Carsten P Cooper-Jensen , Richard Hall-Wilton

The isothermal gas sphere is well known as a powerful tool to model many problems in astrophysics, physics, chemistry, and engineering. This singular differential equation has not an exact solution and solved only by numerical and…

Computational Physics · Physics 2020-10-21 Eltayeb A. Yousif , Ahmed M. A. Adam , Abaker A. Hassaballa1 , Mohamed I. Nouh

Estimating quantum fermionic properties is a computationally difficult yet crucial task for the study of electronic systems. Recent developments have begun to address this challenge by introducing classical shadows protocols relying on…

Quantum Physics · Physics 2024-09-09 Valentin Heyraud , Héloise Chomet , Jules Tilly

The main goal of this paper is to present the application of structural sums, mathematical objects originating from the computational materials science, in construction of a feature space vector of 2D random composites simulated by…

Computational Engineering, Finance, and Science · Computer Science 2019-06-19 Wojciech Nawalaniec

The new concept of the spherical TPC aims at relatively large target masses with low threshold and background, keeping an extremely simple and robust operation. Such a device would open the way to detect the neutrino-nucleus interaction,…