Download or read book K and L shell Resonant Transfer and Excitation in Ion atom Collisions Resonant Transfer written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent experimental studies of resonant transfer and excitation (RTE) in ion-atom collisions are reviewed. In the RTE process correlated electron capture and projectile excitation occur together in a single encounter with a target atom. Measurements of Ca/sup q+/ + H2 (q = 10 to 19) from 100 to 370 MeV establish the projectile charge-state dependence of K-shell RTE and provide a detailed test of the theory. Structure due to RTE is observed in the energy dependence of the total electron-capture cross sections for this collision system. A comparison of the Ca/sup 17 +/ + H2 data with previous results for Ca/sup 17 +/ + He demonstrates the effect of the target-electron momentum distribution on the RTE process. Studies of 230 to 610 MeV Nb/sup 31 +/ + H2 provide information about RTE involving agreement with theoretical calculations. 15 refs., 4 figs.
Download or read book Resonant Transfer and Excitation in Ion atom Collisions written by Ramakrishnan C. Parameswaran and published by . This book was released on 1992 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Correlated Electron Capture and Inner shell Excitation Measurements in Ion atom Collisions written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In an ion-atom collision projectile excitation and charge transfer (electron capture) may occur together in a single encounter. If the excitation and capture are correlated, then the process is called resonant transfer and excitation (RTE); if they are uncorrelated, then the process is termed nonresonant transfer and excitation (NTE). Experimental work to date has shown the existence of RTE and provided strong evidence for NTE. Results presented here provide information on the relative magnitudes of RTE and NTE, the charge state dependence of RTE, the effect of the target momentum distribution on RTE, the magnitude of L-shell RTE compared to K-shell RTE, and the target Z dependences of RTE and NTE. 15 refs., 5 figs.
Download or read book Charge Transfer and Excitation in High energy Ion atom Collisions written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Coincidence measurements of charge transfer and simultaneous projectile electron excitation provide insight into correlated two-electron processes in energetic ion-atom collisions. Projectile excitation and electron capture can occur simultaneously in a collision of a highly charged ion with a target atom; this process is called resonant transfer and excitation (RTE). The intermediate excited state which is thus formed can subsequently decay by photon emission or by Auger-electron emission. Results are shown for RTE in both the K shell of Ca ions and the L shell of Nb ions, for simultaneous projectile electron loss and excitation, and for the effect of RTE on electron capture.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1985 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Resonant transfer and excitation for Highly Charged Ions 16 Less Than Or Equal to Z Less Than Or Equal to 23 in Collisions with Helium written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Significant new evidence is presented for resonant-transfer-and-excitation (RTE) in ion-atom collisions. This process occurs when a target electron is captured simultaneously with the excitation of the projectile followed by deexcitation via photon emission. RTE, which is analogous to dielectronic recombination (DR), proceeds via the inverse of an Auger transition, and is expected to be resonant for projectile velocities corresponding to the energy of the ejected electron in the Auger process. RTE was investigated by measuring cross sections for projectile K x-ray emission coincident with single electron capture for 15 to 200 MeV 16S/sup 13 +/, 100 to 360 MeV 20Ca/sup 16 +/ /sup 17 +/ /sup 18 +/ and 180 to 460 MeV 23V/sup 19 +/ /sup 20 +/ /sup 21 +/ ions colliding with helium. Strong resonant behavior, in agreement with theoretical calculations of RTE, was observed in the coincidence cross sections.
Download or read book L shell Resonant Electron Transfer and Excitation in Cu superscript 18 19 H2 Collisions written by Jeffrey A. Wroblewski and published by . This book was released on 1996 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book New Evidence for Resonant transfer and excitation for 16S 20Ca and 23V Ions Colliding with Helium written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Significant new evidence is presented for resonant-transfer-and-excitation (RTE) in ion-atom collisions. This process occurs when a target electron is captured simultaneously with excitation of the projectile followed by deexcitation via photon emission. RTE, which is analogous to dielectronic recombination (DR), proceeds via an inverse Auger transition, and is expected to be resonant for projectile velocities corresponding to the energy of the ejected electron in the Auger process. Cross sections for projectile K x-ray emission coincident with single electron capture have been measured for 70 to 160 MeV 16S/sup 13 +/, 100 to 360 MeV 20Ca/sup 16 +/ /sup 17 +/ /sup 18 +/ and 180 to 460 MeV 23V/sup 19 +/ /sup 20 +/ /sup 21 +/ ions colliding with helium. Strong resonant behavior, in agreement with theoretical calculations of RTE, is observed as a function of beam energy in the measured cross sections. For Ca and V ions two maxima are observed in the energy dependence of the measured coincidence cross sections. Theoretical calculations show that these maxima are correlated to two groups of intermediate resonant states in the RTE process for which the excited and captured electrons occupy levels with principal quantum numbers n = 2,2 and n = 2, greater than or equal to 3. 13 references, 6 figures.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 890 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Resonant Electron Transfer and K shell Excitation of Lithiumlike Projectiles in Collisions with Neutral Gas Targets written by Carollyn Sloan Oglesby and published by . This book was released on 1985 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Atomic Physics 8 written by I. Lindgren and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Eighth International Conference on Atomic Physics was held at Ch~lmers University of Technology, Goteborg, Sweden on August 2-6, 1982. Following the tradition established by earlier conferences in the series, it was attended by 280 participants from 24 countries. A total of 28 invited talks were delivered at the conference. These talks, which are presented in this volume, covered a wide range of topics in atomic physics in a broad sense. They extend from very basic problems (e.g., the interpretation of quantum mechanics in light of Bell's theorem and the feasibility of relativistic many-body calculations) to applied problems (e.g., laser detection of trace elements and spectroscopy of chemisorbed molecules). Professor M.Ya. Amusia was unable to attend the conference but his invited paper is included here. Professor V.S. Letokhov presented a talk entitled "Prospects of Laser Detection of Very Rare Isotopes, but was unable to provide a manuscript. At the conference, 175 post ers were presented. Abstracts have been published in a separate volume. It is very much appreciated that all the 1981 Nobel laureates, Nicolaas Bloembergen, Arthur Schawlow and Kai Siegbahn, were able to attend and deliver their invited talks. Professor Schawlow summed up the conference and this too is presented here. The con ference also benefited considerably from the presence of Professor 1.1. Rabi, who gave a much appreciated talk at the conference dinner. As this talk was given without a manuscript, it could unfortunately not be included here.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Electronic and Atomic Collisions Abstracts of Contributed Papers International Conference on the Physics of Electronic and Atomic Collisions 14th Held at Palo Alto California in 1985 written by M. J. Coggiola and published by . This book was released on 1985 with total page 763 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photon Impact: Atomic Photoionization - Experiment and Theory, Molecular Photoionization - Experiment and Theory, Photodetachment, Single Photon Dissociation, Multiphoton Processes in Atoms and Molecules; Electron-Atom Collisions: Elastic Processes, Alignment and Orientation, Resonances, General Threshold and Autoionization, (e,2e) and Post Collision Interactions, Spin-Dependent Processes; Electron-Molecule Collisions: Electronically Elastic Processes, Electronic Excitation and Ionization, Dissociation; Electron-Ion Collisions: Elastic, Inelastic, Ionizing, and Recombination; Positron-Atom, Positron-Molecule Collisions; Exotic Collisions; Atom-Atom Collisions: Ionization, Associative and Chemi-Ionization; Ion-Atom Collisions: Resonant Transfer and Excitation, Direct Excitation and Ionization, Autoionization, Electron Detachment, Quasimolecular Collisions, Alignment and Orientation, Production and Ionization of Multiply Charged Ions, Charge Transfer of Multiply Charged Ions, Capture into Continuum and Convoy Electrons, Radiative and Non-Radiative Capture at High Energies, Inner Shell Vacancy Decay; Ion(Atom)-Molecule Collisions: Rotational-Vibrational Excitation; Molecular Charge Transfer, Ionization and Detachment, Reactive Scattering, Three-Body Processes; Ion-Ion Collisions; Rydberg States and Reactions; Field Assisted Collisions; Clusters; Experimental Techniques.
Download or read book Physics Briefs written by and published by . This book was released on 1992 with total page 1416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Mass Spectroscopy Literature for 1971 written by and published by . This book was released on 1973 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government Reports Announcements Index written by and published by . This book was released on 1987 with total page 1168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 1460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
