Statistical analysis of cross-section data for 12C(4He,4He)12C backscattering

Mayer, M.

doi:10.1016/j.nimb.2012.05.011

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Elastic (Non-rutherford) Backscattering (Ebs) Cross-sections1

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Cited by 6 publications

(1 citation statement)

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“…To estimate the uncertainty introduced by using evaluated cross-section functions to obtain beam energies from fits to backscattering spectra we do not have to estimate the uncertainty of the EBS cross-sections, which is hard to do in general with attempts so far having been unsatisfactory: Mayer [43] compares datasets statistically with interesting results. But Gai & Gurbich [44] point out that Mayer's method is invalid in principle, instead constructing the covariance matrix: however, their calculated uncertainties near resonances are certainly overestimated.…”

Section: Elastic (Non-rutherford) Backscattering (Ebs) Cross-sectionsmentioning

confidence: 99%

On the traceably accurate voltage calibration of electrostatic accelerators

Colaux

Terwagne

Jeynes

2015

Nuclear Instruments and Methods in Physics Research Section B:

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Section: Elastic (Non-rutherford) Backscattering (Ebs) Cross-sectionsmentioning

confidence: 99%

On the traceably accurate voltage calibration of electrostatic accelerators

Colaux

Terwagne

Jeynes

2015

Nuclear Instruments and Methods in Physics Research Section B:

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Evaluated 12C(4He,4He)12C cross-section and its uncertainty

Gai

Gurbich

2013

Nuclear Instruments and Methods in Physics Research Section B:

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On the accuracy of Total-IBA

Jeynes

Palitsin

Kokkoris

et al. 2020

Nuclear Instruments and Methods in Physics Research Section B:

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"Total-IBA" implies the synergistic use of multiple IBA techniques. It has been claimed that Total-IBA inherits the accuracy of the most accurate IBA technique used. A specific example is now given of this where (in vacuo) EBS/PIXE of a glass sample uniform in depth is validated against absolutely calibrated EPMA of the same sample. The EPMA results had a mass closure gap of 2.0±0.6 wt%; the full PIXE analysis determined the composition of this missing 2 wt%. The PIXE calibration was against a single certified glass sample, with uncertainties per line ~10 %. Benchmarking also demonstrates ~10% underestimation of the Si scattering cross-section at proton energies ~3 MeV. But the Total-IBA determination of the silica content had a low standard uncertainty of about 2 %. This is due to the strong constraints of both the chemical prior and also the mass closure properties of the EBS. Irradiation-induced sodium migration in this soda-lime glass is explored.

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Statistical analysis of cross-section data for 12C(4He,4He)12C backscattering

Abstract: A statistical analysis of experimental and theoretical SigmaCalc 1.6 data for the 12 C( 4 He, 4 He) 12 C cross-section was performed in the energy range 1600-

Cited by 6 publications

References 33 publications

On the traceably accurate voltage calibration of electrostatic accelerators

On the traceably accurate voltage calibration of electrostatic accelerators

Evaluated 12C(4He,4He)12C cross-section and its uncertainty

On the accuracy of Total-IBA

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