Excitation-Ionization of Helium to He⁺ (n = 2) at 365.8 eV

Pascale J. Marchalant; B. Rouvellou; Jens Rasch; Stephane Rioual; Colm T. Whelan; A. Pochat; Don H. Madison; H. R James Walters

doi:10.1088/0953-4075/33/20/10e

Excitation-Ionization of Helium to He⁺ (n = 2) at 365.8 eV

Pascale J. Marchalant
, B. Rouvellou
, Jens Rasch
, Stephane Rioual
, Colm T. Whelan
, A. Pochat
, Don H. Madison
, H. R James Walters

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

A second Born calculation of the (e, 2e) triple differential cross section for excitation-ionization of helium to He+(n = 2) in coplanar asymmetric geometry is found to be in excellent agreement with recent (relative) measurements of Rouvellou et al. The second Born cross section is very much larger, by about a factor of four, than the corresponding first Born cross section, a trend that is consistent with absolute total cross section measurements for ionization to He ⁺ (2p) at the same impact energy.

Original language	American English
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Volume	33
DOIs	https://doi.org/10.1088/0953-4075/33/20/10e
State	Published - Oct 1 2000

Keywords

Atomic physics
Coplanar asymmetric geometry
Electron energy levels
Helium
Ionization of gases
Kinetic energy

Disciplines

Physics

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https://doi.org/10.1088/0953-4075/33/20/10e

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title = "Excitation-Ionization of Helium to He⁺ (n = 2) at 365.8 eV",

abstract = " A second Born calculation of the (e, 2e) triple differential cross section for excitation-ionization of helium to He+(n = 2) in coplanar asymmetric geometry is found to be in excellent agreement with recent (relative) measurements of Rouvellou et al. The second Born cross section is very much larger, by about a factor of four, than the corresponding first Born cross section, a trend that is consistent with absolute total cross section measurements for ionization to He + (2p) at the same impact energy.",

keywords = "Atomic physics, Coplanar asymmetric geometry, Electron energy levels, Helium, Ionization of gases, Kinetic energy",

author = "Marchalant, \{Pascale J.\} and B. Rouvellou and Jens Rasch and Stephane Rioual and Whelan, \{Colm T.\} and A. Pochat and Madison, \{Don H.\} and Walters, \{H. R James\}",

year = "2000",

month = oct,

day = "1",

doi = "10.1088/0953-4075/33/20/10e",

language = "American English",

volume = "33",

journal = "Journal of Physics B: Atomic, Molecular and Optical Physics",

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TY - JOUR

T1 - Excitation-Ionization of Helium to He⁺ (n = 2) at 365.8 eV

AU - Marchalant, Pascale J.

AU - Rouvellou, B.

AU - Rasch, Jens

AU - Rioual, Stephane

AU - Whelan, Colm T.

AU - Pochat, A.

AU - Madison, Don H.

AU - Walters, H. R James

PY - 2000/10/1

Y1 - 2000/10/1

N2 - A second Born calculation of the (e, 2e) triple differential cross section for excitation-ionization of helium to He+(n = 2) in coplanar asymmetric geometry is found to be in excellent agreement with recent (relative) measurements of Rouvellou et al. The second Born cross section is very much larger, by about a factor of four, than the corresponding first Born cross section, a trend that is consistent with absolute total cross section measurements for ionization to He + (2p) at the same impact energy.

AB - A second Born calculation of the (e, 2e) triple differential cross section for excitation-ionization of helium to He+(n = 2) in coplanar asymmetric geometry is found to be in excellent agreement with recent (relative) measurements of Rouvellou et al. The second Born cross section is very much larger, by about a factor of four, than the corresponding first Born cross section, a trend that is consistent with absolute total cross section measurements for ionization to He + (2p) at the same impact energy.

KW - Atomic physics

KW - Coplanar asymmetric geometry

KW - Electron energy levels

KW - Helium

KW - Ionization of gases

KW - Kinetic energy

UR - https://scholarsmine.mst.edu/phys_facwork/1523

UR - https://doi.org/10.1088/0953-4075/33/20/10e

U2 - 10.1088/0953-4075/33/20/10e

DO - 10.1088/0953-4075/33/20/10e

M3 - Article

SN - 1361-6455

VL - 33

JO - Journal of Physics B: Atomic, Molecular and Optical Physics

JF - Journal of Physics B: Atomic, Molecular and Optical Physics

ER -

Excitation-Ionization of Helium to He⁺ (n = 2) at 365.8 eV

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