Zobrazeno 1 - 10
of 146
pro vyhledávání: '"C. R. Vane"'
Autor:
Vidya Ramanathan, Sudeep Banerjee, Nathan Powers, Nathaniel Cunningham, Nathan A. Chandler-Smith, Kun Zhao, Kevin Brown, Donald Umstadter, Shaun Clarke, Sara Pozzi, James Beene, C R Vane, David Schultz
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 13, Iss 10, p 104701 (2010)
We investigate the use of energetic electron beams for high-resolution radiography of flaws embedded in thick solid objects. A bright, monoenergetic electron beam (with energy >100 MeV) was generated by the process of laser-wakefield acceleration thr
Externí odkaz:
https://doaj.org/article/3fe1811227924c7c80719ba19d635ccc
Autor:
Ch. Geppert, David R. Schultz, Yuan Liu, Charles C Havener, D. W. Stracener, H.F. Krause, C. Baktash, C. R. Vane, J. R. Beene, Klaus Wendt, K. Wies, T. Kessler
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 269:2771-2780
The time profiles of Cu, Sn, and Ni ions extracted from a hot-cavity resonant ionization laser ion source are investigated. The ions are produced in the ion source by three-photon resonant ionization with pulsed Ti:Sapphire lasers. Measurements show
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51cc4ac7393920dfdd6332070e3040fb
https://doi.org/10.1016/j.nimb.2011.08.009
https://doi.org/10.1016/j.nimb.2011.08.009
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 640:1-5
An all-permanent magnet electron cyclotron resonance (ECR) ion source is tuned to create a variety of intense molecular ion beams for basic research. Based on simultaneous injection of several gases with spectroscopic high purity or enriched isotope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::211038727f2881267e7f6c56bd04109c
https://doi.org/10.1016/j.nima.2011.02.090
https://doi.org/10.1016/j.nima.2011.02.090
Autor:
P. U. Andersson, R. D. Thomas, Vitali Zhaunerchyk, C. R. Vane, Michael Fogle, Fredrik Hellberg, E. M. Bahati, J. B. C. Pettersson, A. Petrignani, Mark E. Bannister, M. Larsson, J. Ojekull, Wolf D. Geppert, W. J. van der Zande, Anneli Ehlerding
Publikováno v:
The Journal of Physical Chemistry A, 114, 14, pp. 4843-4846
The Journal of Physical Chemistry A, 114, 4843-4846
The Journal of Physical Chemistry A, 114, 4843-4846
Dissociative recombination of the Zundel cation D(5)O(2)(+) almost exclusively produces D + 2 D(2)O with a maximum kinetic energy release of 5.1 eV. An imaging technique is used to investigate the distribution of the available reaction energy among t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efb0fc712d7d86886de0a84f15f3003d
https://doi.org/10.1021/jp9095979
https://doi.org/10.1021/jp9095979
Autor:
J. R. Beene, T. Gottwald, H.F. Krause, Christopher Geppert, Klaus Wendt, C. Baktash, K. Wies, Charles C Havener, T. Kessler, Yuan Liu, C. R. Vane, David R. Schultz, F. Schwellnus, B. Tordoff, D. W. Stracener
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 266:4398-4402
An ISOLDE-type hot-cavity laser ion source based on high-repetition-rate Ti:Sapphire lasers has been set up at the Holifield radioactive ion beam facility. To assess the feasibility of the all-solid-state laser system for applications at advanced rad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9fecd80364a6653cc8609542206e300
https://doi.org/10.1016/j.nimb.2008.05.059
https://doi.org/10.1016/j.nimb.2008.05.059
Autor:
E. M. Bahati, Stuart Loch, Mark E. Bannister, Vitali Zhaunerchyk, Daniel Wolf Savin, M. S. Pindzola, C. P. Ballance, Paul Bryans, C. R. Vane, Michael Fogle, W. Mitthumsiri, Richard D. Thomas
Publikováno v:
The Astrophysical Journal Supplement Series. 175:543-556
We present recent measurements of absolute electron-impact ionization cross sections for Be-like C iii ,N iv, and O vformingLi-likeCiv,Nv,andOvi.Themeasurementsweretakenusingthecrossed-beamsapparatusatOakRidge National Laboratory. A gas cell beam att
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e090bef367001532d71de357d01eab2
https://doi.org/10.1086/525256
https://doi.org/10.1086/525256
Autor:
C. Baktash, H.F. Krause, D. W. Stracener, K. Brück, C. R. Vane, Yuan Liu, T. Kessler, Charles C Havener, J. R. Beene, Klaus Wendt, David R. Schultz, Ch. Geppert
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 40:4413-4432
In preparation of a laser ion source, we have investigated multi-step laser ionization via Rydberg and autoionizing states for atomic Ni and Ge using a mass separator with an ion beam energy of 20 keV. For both elements resonant three-step excitation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65cd8ff6e4512605fb4be268da2c9727
https://doi.org/10.1088/0953-4075/40/23/002
https://doi.org/10.1088/0953-4075/40/23/002
Autor:
C. R. Vane, H.F. Krause
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 261:244-247
At ultrarelativistic energies, atomic collisions between heavy, highly-charged atoms produce extremely intense, rapidly varying electromagnetic fields that, in turn, give rise to very large ionization cross sections, diminished normal three-body elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::643c1cb13176a025d464e171addf92c3
https://doi.org/10.1016/j.nimb.2007.04.093
https://doi.org/10.1016/j.nimb.2007.04.093
Publikováno v:
Journal of Physics: Conference Series. 58:323-326
The transmission of highly collimated multicharged ions through alumina nanocapillary arrays was studied using 200 MeV and 10- to 20-keV/q ion beams. The aligned nanopores each have a diameter and length of 100 nm and 60 μ, respectively. Emergent ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc540c06d3e13f419e09d8d9ff036c05
https://doi.org/10.1088/1742-6596/58/1/072
https://doi.org/10.1088/1742-6596/58/1/072
Autor:
Fred W Meyer, J.W. Johnson, R.C. Juras, H.F. Krause, E. Bahati Musafiri, Michael Fogle, J. Chartier, M. Delaunay, Mark E. Bannister, A. J. Mendez, D. Hitz, A. Tatum, C. R. Vane, Charles C Havener, A. Girard, J. W. Sinclair, D.T. Dowling, L. Guillemet, J.W. Hale, R. Rejoub, L.I. Vergara
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 242:71-78
A new 250 kV high-voltage platform has been installed at the ORNL multicharged ion research facility (MIRF) to extend the energy range of multicharged ions available for experimental investigations of their collisional interactions with electrons, at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72342854bea4129362065b9bdfafe5da
https://doi.org/10.1016/j.nimb.2005.08.176
https://doi.org/10.1016/j.nimb.2005.08.176