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We use the recently introduced independent-atom-model pixel counting method to calculate proton-impact net ionization cross sections for a large class of biologically relevant systems including pyrimidines, purines, amino acids, and…

Atomic and Molecular Clusters · Physics 2019-10-02 Hans Jürgen Lüdde , Marko Horbatsch , Tom Kirchner

PROJET is a parton level Monte Carlo program for the calculation of jet cross sections in deeply inelastic electron proton scattering. In its present version it contains the Born level diagrams for the production of (1+1), (2+1) and (3+1)…

High Energy Physics - Phenomenology · Physics 2009-10-28 Dirk Graudenz

Several total and partial photoionization cross section calculations, based on both theoretical and empirical approaches, are quantitatively evaluated with statistical analyses using a large collection of experimental data retrieved from…

ISICS, originally a C language program for calculating K-, L- and M-shell ionization and X-ray production cross sections from ECPSSR and PWBA theory, has been reengineered into a C++ language class, named ISICSoo. The new software design…

Computational Physics · Physics 2015-05-30 Matej Batic , Maria Grazia Pia , Sam J. Cipolla

Accurate knowledge of cross sections for pion production in proton-proton collisions finds wide application in particle physics, astrophysics, cosmic ray physics and space radiation problems, especially in situations where an incident…

High Energy Physics - Phenomenology · Physics 2008-11-26 Steve R. Blattnig , Sudha R. Swaminathan , Adam T. Kruger , Moussa Ngom , John W. Norbury

The limits of previous methods promote us to design a new approach (named PRESTAGE) to predict proton single event effect (SEE) cross-sections using heavy-ion test data. To more realistically simulate the SEE mechanisms, we adopt Geant4 and…

Accelerator Physics · Physics 2016-08-03 Kai Xi , Chao Geng , Zhan-Gang Zhang , Ming-Dong Hou , You-Mei Sun , Jie Luo , Tian-Qi Liu , Bin Wang , Bing Ye , Ya-Nan Yin , Jie Liu

Two models for the calculation of ionization cross sections by electron impact on atoms, the Binary-Encouter-Bethe and the Deutsch-Maerk models, have been implemented; they are intended to extend and improve Geant4 simulation capabilities…

Computational Physics · Physics 2015-05-30 Hee Seo , Maria Grazia Pia , Paolo Saracco , Chan Hyeong Kim

The recent systematics of proton-induced fission cross sections is extended to a wider range of target nuclei and incident energies. Reasonable agreement with available experimental data is demonstrated. The extended systematics is employed…

Nuclear Theory · Physics 2007-05-23 A. V. Prokofiev , S. G. Mashnik , W. B. Wilson

Several sources of total cross sections for e$^+$e$^-$ pair production by photon interaction with matter, used by major Monte Carlo codes for particle transport, are quantitatively evaluated with respect to experimental measurements…

The prediction of structure dependent molecular properties, such as collision cross sections as measured using ion mobility spectrometry, are crucially dependent on the selection of the correct population of molecular conformers. Here, we…

Chemical Physics · Physics 2020-10-16 Felicity F. Nielson , Sean M. Colby , Dennis G. Thomas , Ryan S. Renslow , Thomas O. Metz

mcsanc is a Monte-Carlo tool based on the SANC (Support for Analytic and Numeric Calculations for experiments at colliders) modules for higher order calculations in hadron collider physics. It allows to evaluate NLO QCD and EW cross…

High Energy Physics - Phenomenology · Physics 2013-11-18 Sergey G. Bondarenko , Andrey A. Sapronov

This extended abstract briefly summarizes ongoing research activity on the evaluation and experimental validation of physics methods for photon and electron transport. The analysis includes physics models currently implemented in Geant4 as…

Direct photon production in longitudinally polarised proton-proton collisions offers the most direct and unproblematic possibility to determine the polarised gluon distribution of a proton. This information could play a major role for…

High Energy Physics - Phenomenology · Physics 2010-11-01 S. Guellenstern , P. Gornicki , L. Mankiewicz , A. Schaefer

The role of data libraries as a collaborative tool across Monte Carlo codes is discussed. Some new contributions in this domain are presented; they concern a data library of proton and alpha ionization cross sections, the development in…

Computational Physics · Physics 2010-12-02 M. Augelli , S. Hauf , M. Kuster , M. Han , C. H. Kim , M. G. Pia , L. Quintieri , H. Seo , P. Saracco , G. Weidenspointner , A. Zoglauer

We present the updated long write-up for version 1.1 of the SPHINX Monte Carlo. The program can be used to simulate polarized nucleon - nucleon collisions at high energies. Spins of colliding particles are taken into account. The program…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Güllenstern , Oliver Martin , Pawel Gornicki , Lech Mankiewicz , Andreas Schäfer

Two theory-driven models of electron ionization cross sections, the Binary-Encounter-Bethe model and the Deutsch-M\"ark model, have been design and implemented; they are intended to extend the simulation capabilities of the Geant4 toolkit.…

Computational Physics · Physics 2010-12-06 H. Seo , M. G. Pia , P. Saracco , C. H. Kim

A classical description of electron emission differential ionization cross sections for highly-charged high-velocity ions ($\sim$ 10 a.u.) impinging on water molecules is presented. We investigate the validity of the classical statistical…

Atomic Physics · Physics 2020-01-22 Alba Jorge , Marko Horbatsch , Clara Illescas , Tom Kirchner

An open source software package for simulating thermal neutron propagation in geometry is presented. In this system, neutron propagation can be treated by either the particle transport method or the ray-tracing method. Supported by an…

Computational Physics · Physics 2023-12-05 Zi-Yi Pan , Ni Yang , Ming Tang , Peixun Shen , Xiao-Xiao Cai

A procedure of space proton-induced Soft Error Rate calculation based on heavy ion testing data is proposed. The approach relies on Geant4-assisted Monte Carlo simulation of the secondary particle LET spectra produced by proton…

Space Physics · Physics 2017-04-25 Artur M. Galimov , Regina M. Galimova , Gennady I. Zebrev

Net ionization and net capture cross-section calculations are presented for proton collisions from methane molecules and the DNA/RNA nucleobases adenine, cytosine, guanine, thymine, and uracil. We use the recently introduced…

Atomic and Molecular Clusters · Physics 2019-12-11 Hans Juergen Luedde , Marko Horbatsch , Tom Kirchner
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