ISICS2008: An expanded version of ISICS for calculating K-, L-, and M-shell cross sections from PWBA and ECPSSR theory

Cipolla, Sam J.

doi:10.1016/j.cpc.2009.04.019

Cited by 14 publications

(12 citation statements)

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“…The same data sets are supplied along with the source code as in the previous version of ISICS [3]; the ISICSoo class can load alternative data supplied by the user, provided the data files are formatted in the same way as the original ones.…”

Section: Physics Parametersmentioning

confidence: 99%

“…The reengineering of ISICS is based on its latest published version, ISICS 2008 [3], complemented by an unpublished ISICS 2010 version [9], which includes a few small fixes to the 2008 version. The changes in cross section calculations originally implemented in ISICSoo, described in section 4.2, were successively implemented also in the later ISICS 2011 version [4].…”

Section: Introductionmentioning

confidence: 99%

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ISICSoo: A class for the calculation of ionization cross sections from ECPSSR and PWBA theory

Batič

Pia

Cipolla

2012

Computer Physics Communications

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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 enables the use of ISICS functionality in other software systems. The code, originally developed for Microsoft Windows operating systems, has been ported to Linux and Mac OS platforms to facilitate its use in a wider scientific environment. The reengineered software also includes some fixes to the original implementation, which ensure more robust computational results and a review of some physics parameters used in the computation. The paper describes the software design and the modifications to the implementation with respect to the previous version; it also documents the test process and provides some indications about the software performance. Ionization and X-ray production cross section calculations for ion-atom collisions. Solution method: Numerical integration of form factor using a logarithmic transform and Gaussian quadrature, plus exact integration limits. Reasons for the new version: Capability of using ISICS physics functionality in other software systems; porting the software to other platforms than Microsoft Windows; improved computational robustness and performance. Summary of revisions: Reengineering into a C++ class; several internal modifications to improve correctness and robustness; updated binding energies tabulations; performance improvements. Running time: The running time depends on the selected atomic shell and the number of polynomials used in the Gaussian quadrature integration.

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Section: Physics Parametersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

ISICSoo: A class for the calculation of ionization cross sections from ECPSSR and PWBA theory

Batič

Pia

Cipolla

2012

Computer Physics Communications

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“…Models implementing the ECPSSR theory have been compared to calculations performed with the ISICS2008 software developed by Cipolla39 which was taken as a reference. An example of direct comparison of K‐shell cross‐sectional values is shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The alternative interpolated models use ECPSSR data tables generated with the ISICS2008 software in Ref 39 that we initially mentioned in Ref 24, in a similar way to what is suggested in Ref 29. They are applicable to the energy range from 4 keV to 587 MeV, covering typical PIXE use cases.…”

Section: K‐ and Li‐shell Ionisation Cross‐sectional Modelsmentioning

confidence: 99%

PIXE simulation in Geant4

et al. 2011

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Geant4 is a general purpose and open source C + + Monte Carlo simulation toolkit, widely used in the scientific community. It is able to simulate physical interactions of particles through matter. According to the user's needs, models for the simulation of electromagnetic (EM) interactions are provided in two Geant4 subpackages, the 'standard' EM subpackage, well suited for a wide range of applications and the 'low-energy' EM subpackage, able to reach the electronVolt regime. Particle-induced X-ray emission (PIXE) is a well known and a very useful technique for quantitative elemental analysis in environmental, archaeological, biological, medical and space applications. An atomic de-excitation module is part of the Geant4 'low-energy' EM subpackage since 1999 and has been validated in recent years. PIXE simulation has been included in this subpackage in 2001 and new ionisation cross-sectional models following the ECPSSR theory have been added for the PIXE simulation in 2008. In 2010, these models have been further extended to higher energies. In this work, we present new results on the verification of these models and an overview of the new interface to PIXE modelling prepared for the recent public release of the Geant4 toolkit (December 2010) allowing a unified usage of the Geant4 de-excitation module by both 'standard' and 'low-energy' subpackages. Copyright © 2011 John Wiley & Sons, Ltd

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“…The count rate was 8–10 Hz/pixel during most measurements, except for the 11.9 MeV 63 Cu 6+ beam, where the count rate was smaller because smaller beam current available at the time. The target current was estimated using either measured or predicted cross sections . The average current in the target was calculated to be 2–40 particle · nA in each measurement, and the total accumulated charge was estimated to be between 10 and 500 μC.…”

Section: Experimental Methodsmentioning

confidence: 99%

Heavy ion induced Ti X‐ray satellite structure for Ti, TiN, and TiO₂ thin films

et al. 2018

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X‐ray emission spectra of three different titanium‐containing thin films, Ti, TiO2, and TiN, were measured using 5.1 MeV 7Li2+, 4.4–6.8 MeV 12C3+, 6.8 MeV 16O3+, and 11.9 MeV 63Cu6+ beams as excitation. The energy spectra were collected using a high energy resolution transition‐edge sensor array. In all measurements, the average L‐shell vacancy fraction was higher for the metallic Ti than for the other samples, whereas the difference between TiN and TiO2 was negligible. The universal variable Xn of the geometrical model was used to study the systematics of the average L‐shell vacancy fraction at the time of Kα emission. Our experiments expand previously studied Xn values, and a fairly good agreement with previous studies was found.

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ISICS2008: An expanded version of ISICS for calculating K-, L-, and M-shell cross sections from PWBA and ECPSSR theory

Cited by 14 publications

References 0 publications

ISICSoo: A class for the calculation of ionization cross sections from ECPSSR and PWBA theory

ISICSoo: A class for the calculation of ionization cross sections from ECPSSR and PWBA theory

PIXE simulation in Geant4

Heavy ion induced Ti X‐ray satellite structure for Ti, TiN, and TiO₂ thin films

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ISICS2008: An expanded version of ISICS for calculating K-, L-, and M-shell cross sections from PWBA and ECPSSR theory

Cited by 14 publications

References 0 publications

ISICSoo: A class for the calculation of ionization cross sections from ECPSSR and PWBA theory

ISICSoo: A class for the calculation of ionization cross sections from ECPSSR and PWBA theory

PIXE simulation in Geant4

Heavy ion induced Ti X‐ray satellite structure for Ti, TiN, and TiO2 thin films

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Product

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Heavy ion induced Ti X‐ray satellite structure for Ti, TiN, and TiO₂ thin films