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Related papers: Recent Developments on PIXE Simulation with Geant4

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The purpose of the PandaX experiments is to search for the possible events resulted from dark matter particles, neutrinoless double beta decay or other rare processes with xenon detectors. Understanding the energy depositions from…

There are many astrophysical and laboratory scenarios where kinetic effects play an important role. These range from astrophysical shocks and plasma shell collisions, to high intensity laser-plasma interactions, with applications to fast…

Plasma Physics · Physics 2009-11-13 R. A. Fonseca , S. F. Martins , L. O. Silva , J. W. Tonge , F. S. Tsung , W. B. Mori

The XIFU X-ray spectrometer instrument on the future Athena mission needs X-ray calibration sources to calibrate the gains of the individual detector pixels. For this purpose, electronically controlled Modulated X-ray Sources (MXS) are…

Instrumentation and Methods for Astrophysics · Physics 2018-06-21 C. P. de Vries , V. Fioretti , J. W. den Herder , E Schyns , S. D. Pinto

We present the development of the End-to-End simulator for the SOXS instrument at the ESO-NTT 3.5-m telescope. SOXS will be a spectroscopic facility, made by two arms high efficiency spectrographs, able to cover the spectral range 350-2000…

Pulse-profile modeling (PPM) of thermal X-ray emission from rotation-powered millisecond pulsars enables simultaneous constraints on the mass $M$, radius $R$, and hence the equation of state of cold, dense matter. However, Bayesian PPM has…

High Energy Astrophysical Phenomena · Physics 2026-05-13 Tianzhe Zhou , Chun Huang

We present a detailed simulation of the performance of water Cerenkov detectors suitable for use in the Pierre Auger Observatory. Using {\sc geant4}, a flexible object-oriented simulation program, including all known physics processes, has…

Astrophysics · Physics 2010-01-15 L. A. Anchordoqui , T. P. McCauley , T. Paul , S. Reucroft , J. D. Swain , L. Taylor

Particle acceleration in collisionless plasma systems is a central question in astroplasma and astroparticle physics. The structure of the acceleration regions, electron-ion energy equilibration, preacceleration of particles at shocks to…

High Energy Astrophysical Phenomena · Physics 2020-02-19 Martin Pohl , Masahiro Hoshino , Jacek Niemiec

Collimator detection remains a challenging task in X-ray systems with unreliable or non-available information about the detectors position relative to the source. This paper presents a physically motivated image processing pipeline for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Benjamin El-Zein , Dominik Eckert , Thomas Weber , Maximilian Rohleder , Ludwig Ritschl , Steffen Kappler , Andreas Maier

In the past few years, there has been a resurgence in studies towards space-based optical/infrared interferometry, particularly with the vision to use the technique to discover and characterise temperate Earth-like exoplanets around solar…

Instrumentation and Methods for Astrophysics · Physics 2023-09-27 Jonah T. Hansen , Samuel Wade , Michael J. Ireland , Tony D. Travouillon , Tiphaine Lagadec , Nicholas Herrald , Joice Mathew , Stephanie Monty , Adam D. Rains

GEANT4 is a particle physics simulation tool used to develop and optimize radiation detectors. While C++ based examples exist, Python's growing popularity necessitates the development of a more accessible Python bindings interface. This…

High Energy Physics - Experiment · Physics 2024-12-10 Patrick Stowell , Robert Foster , Almahdi Elhamri

The upcoming Ristretto spectrograph is dedicated to the detection and analysis of exoplanetary atmospheres, with a primary focus on the temperate rocky world Proxima b. This scientific endeavor relies on the interplay of a high-contrast…

Instrumentation and Methods for Astrophysics · Physics 2024-12-31 M. Bugatti , C. Lovis , F. Pepe , N. Blind , N. Billot , B. Chazelas , M. Turbet

The Geant4 toolkit is the leading software for the simulation of particle transport through matter, widely used in nuclear physics, high-energy physics, and medical physics. However, the initial learning curve for new developers can be…

High Energy Physics - Experiment · Physics 2026-01-14 Jing Liu

We describe a new software package for simulating channelised, high-time resolution data streams from radio telescopes. The software simulates data from the telescope and observing system taking into account the observation strategy,…

Instrumentation and Methods for Astrophysics · Physics 2022-05-09 Rui Luo , George Hobbs , Suk Yee Yong , Andrew Zic , Lawrence Toomey , Shi Dai , Alex Dunning , Di Li , Tommy Marshman , Chen Wang , Pei Wang , Shuangqiang Wang , Songbo Zhang

Gamma-ray spectra from cosmic-ray proton and electron interactions with dense gas clouds have been calculated using a Monte Carlo event simulation code, GEANT4. Such clouds are postulated as a possible form of baryonic dark matter in the…

Astrophysics · Physics 2009-11-10 Michiko Ohishi , Masaki Mori , Mark Walker

In our days, the necessity of laboratory apparatus accustoming by building up specific software objects for studying the virtual evolution of physical phenomena is a major request. In this respect, the aim of the present paper is to present…

Physics Education · Physics 2007-05-23 Gabriel Murariu

The soft X-ray grating spectrometer on board the Off-plane Grating Rocket Experiment (OGRE) hopes to achieve the highest resolution soft X-ray spectrum of an astrophysical object when it is launched via suborbital rocket. Paramount to the…

Modern particle physics experiments usually rely on highly complex and large-scale spectrometer devices. In high energy physics experiments, visualization helps detector design, data quality monitoring, offline data processing, and has…

Data Analysis, Statistics and Probability · Physics 2024-07-08 Zhi-Jun Li , Ming-Kuan Yuan , Yun-Xuan Song , Yan-Gu Li , Jing-Shu Li , Sheng-Sen Sun , Xiao-Long Wang , Zheng-Yun You , Ya-Jun Mao

X-ray emission can provide a crucial diagnostic of gamma-ray bursts (GRBs). We calculate the X-ray and gamma-ray spectra of impulsive acceleration episodes related to GRB pulses. We use the synchrotron shock model (SSM) as a basis of our…

Astrophysics · Physics 2009-10-28 M. Tavani

A Geant4 simulation code was developed to perform realistic simulations of the RIBRAS facility. A second order expansion of a finite solenoid field was included to describe the beam optics with a good precision. A systematic study of coil…

Accelerator Physics · Physics 2022-04-05 L. E. Tamayose , J. C. Zamora , G. F. Fortino , D. Flechas