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We present the 2025 release of the spectral synthesis code Cloudy, highlighting significant enhancements to the scope and accuracy of the physics which have been made since the previous release. A major part of this development involves…

CORSIKA 8 represents a significant update in the simulation of particle showers, building on the well-established foundation of CORSIKA 7. It has been entirely rewritten as a modular and modern C++ framework, addressing the limitations of…

High Energy Astrophysical Phenomena · Physics 2025-08-13 Marvin Gottowik

We introduce the Modular Algorithm for Relativistic Treatment of heavy IoN Interactions (MARTINI), a comprehensive event generator for the hard and penetrating probes in high energy nucleus-nucleus collisions. Its main components are a time…

High Energy Physics - Phenomenology · Physics 2009-12-14 Bjoern Schenke , Charles Gale , Sangyong Jeon

X-ray lasers based on transitions in highly charged \textit{Ni}-like ions generating in the "water window" wavelength range can be pumped by compact laboratory discharge sources. This makes them promising candidates for use as compact…

Plasma Physics · Physics 2021-05-21 N. V. Kalinin , R. M. Feshchenko , I. A. Artyukov , V. A. Burtsev

A new scheme for the short baseline electron antineutrino (${\bar{\nu}}_{e}$) disappearance study is investigated. We propose to use an intense neutron emitter, $^{252}$Cf, which produces $^{8}$Li isotope through the…

Instrumentation and Detectors · Physics 2017-09-13 Jae Won Shin , Myung-Ki Cheoun , Toshitaka Kajino , Takehito Hayakawa

Recent state-of-the-art calculations of A-values and electron impact excitation rates for Fe III are used in conjunction with the Cloudy modeling code to derive emission line intensity ratios for optical transitions among the fine-structure…

We present extensive calculations of radiative transition rates and electron impact collision strengths for Fe II. The data sets involve 52 levels from the $3d\,^7$, $3d\,^64s$, and $3d\,^54s^2$ configurations. Computations of $A$-values…

This paper gives a description of a new on-line database http://lpsc.in2p3.fr/crdb and associated on-line tools (data selection, data export, plots, etc.) for charged cosmic-ray measurements. The experimental setups (type, flight dates,…

High Energy Astrophysical Phenomena · Physics 2014-09-16 D. Maurin , F. Melot , R. Taillet

The development of a package for the management of physics data is described: its design, implementation and computational benchmarks. This package improves the data management tools originally developed for Geant4 physics models based on…

Computational Physics · Physics 2010-12-02 Mincheol Han , Maria Grazia Pia , Hee Seo , Lorenzo Moneta , Chan Hyeong Kim

Carried out in this study is an improved analysis of the measurements of the three pion-nucleon ($\pi N$) reactions, which can be subjected to experimental investigation at low energy (pion laboratory kinetic energy $T \leq 100$ MeV), i.e.,…

Nuclear Theory · Physics 2022-08-22 Evangelos Matsinos

A lot of research work has been carried out in fine tuning model parameters to reproduce experimental data for neutron induced reactions. This however is not the case for proton induced reactions where large deviations still exist between…

Nuclear Theory · Physics 2019-12-30 E. Alhassan , D. Rochman , A. Vasiliev , R. M. Bergmann , M. Wohlmuther , A. J. Koning , H. Ferroukhi

Every observation of astrophysical objects involving a spectrum requires atomic data for the interpretation of line fluxes, line ratios and ionization state of the emitting plasma. One of the processes which determines it is collisional…

High Energy Astrophysical Phenomena · Physics 2017-05-10 I. Urdampilleta , J. S. Kaastra , M. Mehdipour

Thermal models have proven to be an useful and simple tool used to make theoretical predictions and data analysis in relativistic and ultra-relativistic heavy ion collisions. A new version of these models is presented here, incorporating a…

Level energies, wavelengths, electric dipole, magnetic dipole, electric quadrupole, and magnetic quadrupole transition rates, oscillator strengths, and line strengths from combined relativistic configuration interaction and many-body…

While deep learning is transforming data analysis in high-energy physics, computational challenges limit its potential. We address these challenges in the context of collider physics by introducing EveNet, an event-level foundation model…

We propose a new soft clustering scheme for classifying galaxies in different activity classes using simultaneously 4 emission-line ratios; log([NII ]/Ha), log([SII]/Ha), log([OI]/Ha) and log([OIII]/Hb). We fit 20 multivariate Gaussian…

Astrophysics of Galaxies · Physics 2019-02-20 Vasileios Stampoulis , David A. van Dyk , Vinay L. Kashyap , Andreas Zezas

The eXtended CASA Line Analysis Software Suite (XCLASS) is a toolbox for the Common Astronomy Software Applications package (CASA) containing new functions for modeling interferometric and single dish data. Among the tools is the myXCLASS…

Instrumentation and Methods for Astrophysics · Physics 2017-01-25 T. Möller , C. Endres , P. Schilke

Recent calculations of atomic data for Fe XV have been used to generate theoretical line ratios involving n = 3-4 transitions in the soft X-ray spectral region (52-83 A), for a wide range of electron temperatures and densities applicable to…

Employing two state-of-the-art methods, multiconfiguration Dirac--Hartree--Fock and second-order many-body perturbation theory, the excitation energies and lifetimes for the lowest 200 states of the $2s^2 2p^4$, $2s 2p^5$, $2p^6$, $2s^2…

Atomic Physics · Physics 2017-04-19 K. Wang , P. Jönsson , J. Ekman , G. Gaigalas , M. R. Godefroid , R. Si , Z. B. Chen , S. Li , C. Y. Chen , J. Yan

The high-resolution X-ray spectrum of the Perseus galaxy cluster observed with the Hitomi satellite challenges astrophysical collisional ionized plasma models that are widely used in the community. Although Hitomi spun out of control,…

High Energy Astrophysical Phenomena · Physics 2019-09-04 Junjie Mao , Francois Mernier , Jelle S. Kaastra , Liyi Gu , Missagh Mehdipour , Jelle de Plaa
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