CollisionDB: DataSet D108006

DataSet D108006

\[\mathrm{He}^{2+} + \mathrm{H} \; n=2 \rightarrow \mathrm{He}^{+} + \mathrm{H}^{+}\]

Process	HCX: Charge Transfer
Data type	cross section \| uploaded on 2023-02-08
Comment	Fit function taken from p118. Error: E<0.1keV/u -> 100%, 0.1keV/u<E<2keV/u -> 80%, 2keV/u<E<20keV/u -> 40%, 20keV/u<E<100keV/u -> 30%, E>100keV/u -> 20%

Method	semi-empirical
Frame	Target
Columns	E /eV u^-1 sigma /cm²
Ref	B37: R. K. Janev, J. J. Smith, "Cross sections for collision processes of hydrogen atoms with electrons, protons, and multiply charged ions", IAEA- Atomic and Plasma–Material Interaction Data for Fusion, Vienna 4 (1993). [https://www.iaea.org/publications/1839/atomic-and-plasma-material-interaction-data-for-fusion]
Data	Download (data from fit)

Fitted Data

Fit Function

\[\]

Fit Precision

2.2 %

Fit Coefficients

A1	8.851e+01
A2	7.843e-01
A3	3.290e-02
A4	1.764e+00
A5	7.326e-05
A6	1.442e-08
A7	8.048e-01
A8	2.235e-01
A9	-6.860e-01

x-range

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