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Related papers: Updated Atomic Data and Calculations for X-ray Spe…

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Here we present our current updates of the gas-phase chemical reaction rates and molecular lines in the spectral synthesis code CLOUDY, and its implications in spectroscopic modelling of various astrophysical environments. We include energy…

Astrophysics of Galaxies · Physics 2022-08-03 Gargi Shaw , G. J. Ferland , M. Chatzikos

Using the code AUTOSTRUCTURE, extensive calculations of inner-shell atomic data have been made for the chemical elements He, C, N, O, Ne, Na, Mg, Al, Si, S, Ar, Ca, Cr, Mn, Fe and Ni. The results are used to obtain up-dated opacities from…

The importance of some atom hydrogen collisions in AGN has been investigated. The results are useful for better estimate of the hydrogen Balmer lines uxes, which usage for effective temperature diagnostics in astrophysical plasma is limited…

Astrophysics of Galaxies · Physics 2020-01-15 M. S. Dimitrijevic , V. A. Sreckovic , Lj. M. Ignjatovic , B. P. Marinkovic

The calculations of the ratios of the Helium-like ion X-ray lines from C V to Si XIII are revisited in order to apply the results to density, temperature and ionization process diagnostics of data from high-resolution spectroscopy of the…

Astrophysics · Physics 2007-05-23 D. Porquet , R. Mewe , J. S. Kaastra , J. Dubau , A. J. J. Raassen

Context. Cool star model atmospheres are a common tool for the investigation of stellar masses, ages and elemental abundance composition. Theoretical atmospheric models strongly depend on the atomic data used when calculating them. Aims. We…

Solar and Stellar Astrophysics · Physics 2015-05-13 F. Grupp , R. L. Kurucz , K. Tan

DPMJET is a Monte Carlo model for sampling of hadron-hadron, hadron-nucleus, nucleus-nucleus and neutrino-nucleus interactions at accelerator and Cosmic Ray energies according to the two-component Dual Parton Model. Here we describe new…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Ranft

xFitter is an open-source package that provides a framework for the determination of the parton distribution functions (PDFs) of the proton for many different kinds of analyses in Quantum Chromodynamics (QCD). xFitter version 2.0.0 has…

High Energy Physics - Phenomenology · Physics 2017-12-04 V. Bertone , M. Botje , D. Britzger , S. Camarda , A. Cooper-Sarkar , F. Giuli , A. Glazov , A. Luszczak , F. Olness , R. Placakyte , V. Radescu , W. Słomiński , O. Zenaiev

This is an introduction to the tabulated data base of stellar matter properties calculated within the framework of the Statistical Model for Supernova Matter (SMSM). The tables present thermodynamical characteristics and nuclear abundances…

Nuclear Theory · Physics 2015-06-15 N. Buyukcizmeci , A. S. Botvina , I. N. Mishustin

A new analysis of velocity distribution, optical photometry and X-ray surface brightness from ROSAT PSPC data of the galaxy cluster A 2319 is presented. The temperature profile derived from ASCA data (Markevitch et al.,1996) is taken into…

Astrophysics · Physics 2009-10-31 D. Trevese , G. Cirimele , M. De Simone

We propose to develop a high-energy heavy-ion experimental database and make it accessible to the scientific community through an on-line interace. This database will be searchable and cross-indexed with relevant publications, including…

Nuclear Theory · Physics 2009-11-11 David A. Brown , Ramona Vogt

A hot central star illuminating the surrounding ionized H II region usually produces very rich atomic spectra resulting from basic atomic processes: photoionization, electron-ion recombination, bound-bound radiative transitions, and…

Astrophysics · Physics 2007-05-23 Sultana N. Nahar

This paper presents an updated framework for studying the ionizing conditions and elemental abundances of photoionized, metal-enriched quasar absorption systems. The standard assumption of ionization equilibrium invoked in absorption line…

Astrophysics of Galaxies · Physics 2025-07-23 Suyash Kumar , Hsiao-Wen Chen

A second major LHCb detector upgrade will be installed during long shutdown 4 (LS4) of the CERN Large Hadron Collider. The new detector will provide excellent performance for studies of Quantum Chromodynamics at high temperature and…

High Energy Physics - Experiment · Physics 2025-04-01 LHCb collaboration

In this paper I review the motivation and current status of modeling of plasmas exposed to strong radiation fields, as it applies to the study of cosmic X-ray sources. This includes some of the astrophysical issues which can be addressed,…

High Energy Astrophysical Phenomena · Physics 2015-05-20 T. R. Kallman

Stark broadening theory is currently operated for calculating widths and shifts of spectral lines that are needed for spectroscopic diagnostics and modelling in astrophysics, laboratory and technological plasmas. We have calculated a great…

Solar and Stellar Astrophysics · Physics 2018-03-14 Sylvie Sahal-Brechot , Milan S. Dimitrijevic , Nebil Ben Nessib

We present a new, publicly available, set of Los Alamos OPLIB opacity tables for the elements hydrogen through zinc. Our tables are computed using the Los Alamos ATOMIC opacity and plasma modeling code, and make use of atomic structure…

Solar and Stellar Astrophysics · Physics 2016-02-03 J. Colgan , D. P. Kilcrease , N. H. Magee , M. E. Sherrill , J. Abdallah, , P. Hakel , C. J. Fontes , J. A. Guzik , K. A. Mussack

Nuclear reaction data play an important role in nuclear reactor, medical, and fundamental science and national security applications. The wealth of information is stored in internally adopted ENDF-6 and EXFOR formats. We present a complete…

Solar and Stellar Astrophysics · Physics 2011-08-25 B. Pritychenko

The Virtual Atomic and Molecular Data Centre (VAMDC) (M.L. Dubernet et al. 2010, JQSRT 111, 2151) is an EU-FP7 e-infrastructure project devoted to building a common electronic infrastructure for the exchange and distribution of atomic and…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 F. Kupka , the VAMDC Collaboration

We present recent updates from the CTEQ-JLab (CJ) global PDF analysis, focusing on the interplay and implementation systematics of the HT and offshell correction (CJ22ht). We also discuss preliminary results of the CJ25 global analysis,…

High Energy Physics - Phenomenology · Physics 2025-10-31 Alberto Accardi , Matteo Cerutti

In the period 2003-2009 in the Frank Laboratory of Neutron Physics, JINR, the total modernization of the IBR-2 pulsed reactor which is mainly used for investigations in condensed matter physics using thermal neutron scattering will be…

Instrumentation and Detectors · Physics 2007-05-23 A. S. Kirilov , F. V. Levchanovski , V. I. Prikhodko