Double differential distributions of electron emission in ion-atom and electron-atom collisions using an electron spectrometer

Deepankar Misra, K. V. Thulasiram, W. Fernandes, Aditya H. Kelkar, U. Kadhane, Ajay Kumar, Yeshpal Singh, L. Gulyás, Lokesh C. Tribedi

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

We study electron emission from atoms and molecules in collisions with fast electrons and heavy ions (C6+). The soft collision electrons (SE), two center electron emission (TCEE), the binary encounter (BE) events and the KLL Auger lines along with the elastically scattered peaks (in electron collisions) are studied using a hemispherical electrostatic electron analyzer. The details of the measurements along with description of the spectrometer and data acquisition system are given. The angular distributions of the low energy (few eV) electrons in soft collisions and the binary encounter electrons at keV energies are compared with quantum mechanical models based on the first Born (B1) and the continuum distorted wave-Eikonal initial state approximation (CDW-EIS).

Original languageEnglish
Pages (from-to)157-162
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume267
Issue number1
DOIs
Publication statusPublished - Jan 2009

Fingerprint

Electron emission
electron emission
Spectrometers
spectrometers
Atoms
collisions
Electrons
Ions
encounters
atoms
ions
electron scattering
electrons
data acquisition
analyzers
acquisition
heavy ions
angular distribution
Angular distribution
electrostatics

Keywords

  • Electron emission
  • Electron spectroscopy
  • Electron-atom collision
  • Hemispherical analyzer
  • Ion-atom collision
  • Ionization

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

Double differential distributions of electron emission in ion-atom and electron-atom collisions using an electron spectrometer. / Misra, Deepankar; Thulasiram, K. V.; Fernandes, W.; Kelkar, Aditya H.; Kadhane, U.; Kumar, Ajay; Singh, Yeshpal; Gulyás, L.; Tribedi, Lokesh C.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 267, No. 1, 01.2009, p. 157-162.

Research output: Contribution to journalArticle

Misra, Deepankar ; Thulasiram, K. V. ; Fernandes, W. ; Kelkar, Aditya H. ; Kadhane, U. ; Kumar, Ajay ; Singh, Yeshpal ; Gulyás, L. ; Tribedi, Lokesh C. / Double differential distributions of electron emission in ion-atom and electron-atom collisions using an electron spectrometer. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2009 ; Vol. 267, No. 1. pp. 157-162.
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AU - Kelkar, Aditya H.

AU - Kadhane, U.

AU - Kumar, Ajay

AU - Singh, Yeshpal

AU - Gulyás, L.

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AB - We study electron emission from atoms and molecules in collisions with fast electrons and heavy ions (C6+). The soft collision electrons (SE), two center electron emission (TCEE), the binary encounter (BE) events and the KLL Auger lines along with the elastically scattered peaks (in electron collisions) are studied using a hemispherical electrostatic electron analyzer. The details of the measurements along with description of the spectrometer and data acquisition system are given. The angular distributions of the low energy (few eV) electrons in soft collisions and the binary encounter electrons at keV energies are compared with quantum mechanical models based on the first Born (B1) and the continuum distorted wave-Eikonal initial state approximation (CDW-EIS).

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