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Søren Vrønning Hoffmann

Chiral recognition in electron scattering by S- and R-2-butanol

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Chiral recognition in electron scattering by S- and R-2-butanol. / Jones, Nykola C.; Hoffmann, Søren Vrønning; Field, David.

In: Molecular Physics, Vol. 113, No. 15-16, 09.2015, p. 2197-2203.

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@article{13209028f14f4a16947d8dbabd6c4779,
title = "Chiral recognition in electron scattering by S- and R-2-butanol",
abstract = "Experiments are described involving the low energy scattering of electrons from the two optical enantiomers S- and R- 2-butanol. Using a synchrotron radiation photoionization source on the ASTRID storage ring, scattering spectra arereported between a few meV and 140 meV at an electron energy resolution of 1.6 meV. These data show electron dichroism at 35 meV, for scattering into the backward hemisphere, with a cross-section of 202.1±8.0 {\AA}2 (4σ ) and 182.8±9.0 {\AA}2 (4σ ) for S- and R- respectively, with the racemic mixture lying at the average value. No dichroic effect could be detected in the integral cross-section within the accuracy of the experiment. A brief qualitative discussion is given of a possible electron dissociative attachment mechanism for the creation of homochirality in space, including a new feature involving feedback through enhancement of electron polarization through scattering from non-racemic mixtures of enantiomers.",
author = "Jones, {Nykola C.} and Hoffmann, {S{\o}ren Vr{\o}nning} and David Field",
year = "2015",
month = sep,
doi = "10.1080/00268976.2015.1018358",
language = "English",
volume = "113",
pages = "2197--2203",
journal = "Molecular Physics",
issn = "0026-8976",
publisher = "Taylor & Francis ",
number = "15-16",

}

RIS

TY - JOUR

T1 - Chiral recognition in electron scattering by S- and R-2-butanol

AU - Jones, Nykola C.

AU - Hoffmann, Søren Vrønning

AU - Field, David

PY - 2015/9

Y1 - 2015/9

N2 - Experiments are described involving the low energy scattering of electrons from the two optical enantiomers S- and R- 2-butanol. Using a synchrotron radiation photoionization source on the ASTRID storage ring, scattering spectra arereported between a few meV and 140 meV at an electron energy resolution of 1.6 meV. These data show electron dichroism at 35 meV, for scattering into the backward hemisphere, with a cross-section of 202.1±8.0 Å2 (4σ ) and 182.8±9.0 Å2 (4σ ) for S- and R- respectively, with the racemic mixture lying at the average value. No dichroic effect could be detected in the integral cross-section within the accuracy of the experiment. A brief qualitative discussion is given of a possible electron dissociative attachment mechanism for the creation of homochirality in space, including a new feature involving feedback through enhancement of electron polarization through scattering from non-racemic mixtures of enantiomers.

AB - Experiments are described involving the low energy scattering of electrons from the two optical enantiomers S- and R- 2-butanol. Using a synchrotron radiation photoionization source on the ASTRID storage ring, scattering spectra arereported between a few meV and 140 meV at an electron energy resolution of 1.6 meV. These data show electron dichroism at 35 meV, for scattering into the backward hemisphere, with a cross-section of 202.1±8.0 Å2 (4σ ) and 182.8±9.0 Å2 (4σ ) for S- and R- respectively, with the racemic mixture lying at the average value. No dichroic effect could be detected in the integral cross-section within the accuracy of the experiment. A brief qualitative discussion is given of a possible electron dissociative attachment mechanism for the creation of homochirality in space, including a new feature involving feedback through enhancement of electron polarization through scattering from non-racemic mixtures of enantiomers.

U2 - 10.1080/00268976.2015.1018358

DO - 10.1080/00268976.2015.1018358

M3 - Journal article

VL - 113

SP - 2197

EP - 2203

JO - Molecular Physics

JF - Molecular Physics

SN - 0026-8976

IS - 15-16

ER -