CollisionDB: DataSet D108005

DataSet D108005

\[\mathrm{He}^{2+} + \mathrm{H} \; 1s \rightarrow \mathrm{He}^{+} + \mathrm{H}^{+}\]

Process	HCX: Charge Transfer
Data type	cross section \| uploaded on 2023-02-08
Comment	Fit function taken from p116. Error: E<0.1keV/u -> 100%, 0.1keV/u<E<0.6keV/u -> 60%, 0.6keV/u<E<2keV/u -> 20%, E<2keV/u -> 10%

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

1.6 %

Fit Coefficients

A1	1.744e+01
A2	2.126e+00
A3	2.140e-03
A4	1.650e+00
A5	2.626e-06
A6	2.423e-11
A7	1.566e+01
A8	7.919e+00
A9	-4.405e+00

x-range

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