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- W1971090900 abstract "Absolute total cross sections (TCS's) for $0.5--370text{ensuremath{-}}mathrm{eV}$ electrons scattered by nitrogen trifluoride $({mathrm{NF}}_{3})$ molecules have been measured using a linear transmission method under single collision conditions. It was found that the TCS energy function for ${mathrm{NF}}_{3}$ is dominated with two pronounced enhancements: one resonantlike centered between 2 and $3phantom{rule{0.3em}{0ex}}mathrm{eV}$ with the maximum value of $28ifmmodetimeselsetexttimesfi{}{10}^{ensuremath{-}20}phantom{rule{0.3em}{0ex}}{mathrm{m}}^{2}$ followed with a minimum at around $7--12phantom{rule{0.3em}{0ex}}mathrm{eV}(ensuremath{sim}17ifmmodetimeselsetexttimesfi{}{10}^{ensuremath{-}20}phantom{rule{0.3em}{0ex}}{mathrm{m}}^{2})$, and the second much broader enhancement located around $40phantom{rule{0.3em}{0ex}}mathrm{eV}$ ($19ifmmodetimeselsetexttimesfi{}{10}^{ensuremath{-}20}phantom{rule{0.3em}{0ex}}{mathrm{m}}^{2}$ in the maximum). The low-energy enhancement is superimposed with some weak features located near 1.8, 2.2, and $2.8phantom{rule{0.3em}{0ex}}mathrm{eV}$. The integral elastic cross section has been calculated at intermediate energies using an independent atom method with a static plus polarization model potential. The cross section for ionization has been computed as well using the binary-encounter-Bethe approach. The sum of calculated cross sections reasonably reproduces the intermediate-energy experimental TCS, with respect to the shape and value. The TCS for ${mathrm{NF}}_{3}$ is also compared with the TCS for ammonia $({mathrm{NH}}_{3})$ which was supplementary measured and the effect of substitution of fluorine atoms for hydrogen (perfluorination effect) is demonstrated and discussed." @default.
- W1971090900 created "2016-06-24" @default.
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- W1971090900 date "2004-09-22" @default.
- W1971090900 modified "2023-09-24" @default.
- W1971090900 title "Electron collisions with nitrogen trifluoride<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mo>(</mml:mo><mml:msub><mml:mi mathvariant=normal>NF</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:mo>)</mml:mo></mml:mrow></mml:math>molecules" @default.
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- W1971090900 doi "https://doi.org/10.1103/physreva.70.032707" @default.
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