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Electron Capture Into the N

Electron Capture Into the N PDF Author: Everett Donald Stokes
Publisher:
ISBN:
Category : Collisions (Nuclear physics)
Languages : en
Pages : 226

Book Description

Electron Capture Into the N

Electron Capture Into the N PDF Author: Everett Donald Stokes
Publisher:
ISBN:
Category : Collisions (Nuclear physics)
Languages : en
Pages : 226

Book Description

Electron Capture from Atomic Nitrogen and Oxygen by Protons

Electron Capture from Atomic Nitrogen and Oxygen by Protons PDF Author: R. A. Mapleton
Publisher:
ISBN:
Category : Electrons
Languages : en
Pages : 24

Book Description

Electron Capture Into the N

Electron Capture Into the N PDF Author: Benny Mac Doughty
Publisher:
ISBN:
Category :
Languages : en
Pages : 222

Book Description

Electron Capture from Atomic Nitrogen by Protons

Electron Capture from Atomic Nitrogen by Protons PDF Author: Robert A. Mapleton
Publisher:
ISBN:
Category : Electrons
Languages : en
Pages : 10

Book Description
The total Oppenheimer-Brinkman-Kramers (OBK) cross sections for 1s-, 2s-, and 2p-orbital electron capture from atomic nitrogen by protons are adjusted to correspond to capture from N2 by deuterons, and are compared with recent measurements of Berkner et al. Calculated cross sections for 1s capture are dominant above 3 MeV, and the total OBK cross section still exceeds the measured cross section at the deuteron energy of 21.5 MeV.

Electron Capture Cross Sections Into the N

Electron Capture Cross Sections Into the N PDF Author: Charles Arthur Stigers
Publisher:
ISBN:
Category : Electrons
Languages : en
Pages : 103

Book Description

Selective Electron Capture Into Highly Stripped Ne and N Target Atoms After Heavy-ion Impact

Selective Electron Capture Into Highly Stripped Ne and N Target Atoms After Heavy-ion Impact PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 21

Book Description

Classical and Quantal Calculations on Electron Capture

Classical and Quantal Calculations on Electron Capture PDF Author: Robert A. Mapleton
Publisher:
ISBN:
Category : Alkali metals
Languages : en
Pages : 334

Book Description
Classical and quantal nonrelativistic scattering between simple atomic systems is reviewed, and most approximations currently used in calculations on electron capture are discussed. The OBK interaction is generalized to include capture from neutral atoms by singly charged many-electron ions; the sum over the squares of the vector coupling coefficients is affected in the formula for the OBK cross section for p-orbital capture by protons into H(ns). The cross section for H(+) + H(1s) to H(Sigma n1) + H(+) at high impact energies is determined classically. The second Born amplitudes at high impact energies for H(+) + H(1s) to H(1s) + H(+) and H(+) + D(1s) to H(1s) + D(+) are evaluated approximately using the Green's function of the post Hamiltonian. Two modifications of Thomas' classical model for heavy atoms are proposed, and corresponding cross sections are calculated for H(+) + B to H(Sigma n1) + B(+) with B = O, N, Ne, A, Kr, Xe. A semiclassical theory is developed for charge transfer in alkali atom-alkali-ion collision at low impact velocities, and cross sections are obtained for H, Li, Na, K, Rb, Cs. OBK cross sections are calculated for s-orbital capture from He(1s(2)), N((4)S), O((3)P), and p-orbital capture from N((4)S), O((3)P), all for incident protons capturing into H(1s). Born prior and post cross sections are calculated for H(+) + O((3)P) to H(1s) + O(+)((4)S) and H(1s) + H(1s) to H( - )(1s(2)) + H(+).

Chemical Ionization Mass Spectrometry

Chemical Ionization Mass Spectrometry PDF Author: Alex. G. Harrison
Publisher: Taylor & Francis
ISBN: 1351461540
Category : Science
Languages : en
Pages : 221

Book Description
The only comprehensive guide to CIMS applications in structural elucidation and analytical studies Chemical Ionization Mass Spectrometry, 2nd Edition, provides a comprehensive, up-to-date review of CIMS applications in structural elucidation and quantitative analytical studies. For the benefit of readers without a background in gaseous ion chemistry, a thorough review is presented in Chapter 2. Other chapters discuss such topics as reagent ion systems within the context of the thermochemistry and kinetics of the ionization process, including reactions and the type of information obtained; isotopic exchange reactions; stereochemical effects in chemical ionization; and reactive ion/molecule collisions in quadrupole cells. Chemical ionization mass spectra of 13 classes of compounds are discussed in detail to illustrate the influence of different functional groups on the spectra observed. Chemical Ionization Mass Spectrometry, 2nd Edition will be a valuable reference for anyone interested in mass spectrometry and gaseous ion chemistry in general.

On the Capture of Electrons by Fast Ions

On the Capture of Electrons by Fast Ions PDF Author: Julian K. Knipp
Publisher:
ISBN:
Category : Cross sections (Nuclear physics)
Languages : en
Pages : 30

Book Description
The Oppenheimer Brinkman Kramers theory of the capture of electrons by alpha particles in their passage through matter is formulated in terms of a momentum representation of the electrons. For a heavy ion carrying a core of electrons. capture is largely into excited states. Total cross sections for such ions are estimated assuming hydrogen like representations for the electron in the captured states and treating the atom from which capture takes place by the Thomas Fermi model.

Electron Capture

Electron Capture PDF Author: A. Zlatkis
Publisher: Elsevier
ISBN: 008085821X
Category : Science
Languages : en
Pages : 443

Book Description
Electron Capture
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