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7
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5
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237
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213
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176
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109
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Dissociative recombination of interstellar ions: electronic structure calculations for HCO/sup +/
The present study of the interstellar formyl ion HCO/sup +/ is the first attempt to investigate dissociative recombination for a triatomic molecular ion using an entirely theoretical approach. We describe a number of fairly extensive electronic structure calculations that were performed to determine the reaction mechanism of the e-HCO/sup +/ process. Similar calculations for the isoelectronic ions HOC/sup +/ and HN/sub 2//sup +/ are in progress. 60 refs.
Date:
July 2, 1985
Creator:
Kraemer, W.P. & Hazi, A.U.
Object Type:
Article
System:
The UNT Digital Library
Solution of the Field Equations for 2-D Electromagnetic Direct Implicit Plasma Simulation
A direct implicit particle-in-cell (PIC) simulation model with full electromagnetic (EM) effects has been implemented in 2-D Cartesian geometry. The model, implemented with the D/sub 1/ time differencing scheme, was first implemented in a 1-D electrostatic (ES) version to gain some experience with spatial differencing in forms suitable for extension to the full EM field in two dimensions. The implicit EM field solve is considerably different from the implicit ES code. The EM field calculation requires an inductive part as well as the electrostatic and the B field must be self-consistently advanced.
Date:
January 2, 1985
Creator:
Hewett, D. W. & Langdon, A. B.
Object Type:
Article
System:
The UNT Digital Library
Proposed LLNL electron beam ion trap
The interaction of energetic electrons with highly charged ions is of great importance to several research fields such as astrophysics, laser fusion and magnetic fusion. In spite of this importance there are almost no measurements of electron interaction cross sections for ions more than a few times ionized. To address this problem an electron beam ion trap (EBIT) is being developed at LLNL. The device is essentially an EBIS except that it is not intended as a source of extracted ions. Instead the (variable energy) electron beam interacting with the confined ions will be used to obtain measurements of ionization cross sections, dielectronic recombination cross sections, radiative recombination cross sections, energy levels and oscillator strengths. Charge-exchange recombinaion cross sections with neutral gasses could also be measured. The goal is to produce and study elements in many different charge states up to He-like xenon and Ne-like uranium. 5 refs., 2 figs.
Date:
July 2, 1985
Creator:
Marrs, R.E.; Egan, P.O.; Proctor, I.; Levine, M.A.; Hansen, L.; Kajiyama, Y. et al.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0095.0250]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Sandra Bobzien, left, welcomes Dick and Linda Wegener with a bowl of hot Black-eyed peas."
Date:
January 2, 1985
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0102.0115]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
April 2, 1985
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0092.0054]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Open wide! Baby blue jays wait anxiously for fragments of raw beef in Liz Black's forceps."
Date:
June 2, 1985
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0145.0212]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "People waiting to see prisoners contribute to the congestion in the first floor hallway of the Oklahoma County Courthouse."
Date:
April 2, 1985
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0161.0008]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Doug and Peggy Cummings, left, and Marion and John n DeVore get to gather at the party for a friendly chat."
Date:
August 2, 1985
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0172.0381]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The Oaks . . . a 92-unit luxury townhouse development in Edmond."
Date:
April 2, 1985
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0144.0150]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Roger Cornelison displays one of his tricks."
Date:
July 2, 1985
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0135.0188]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "In the photo above, in which an old cooling tower stands in a shallow pond of water surrounded by tall grass on the roof of the hall."
Date:
October 2, 1985
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0142.0568]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
July 2, 1985
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0140.0407]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Northwest's Keith Combs, left, sails to a first-place finish (21-6 1/2) in the long jump at the Del City high school track meet."
Date:
April 2, 1985
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0140.0139]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Patrick Collins"
Date:
November 2, 1985
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0148.0196]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Rather than scattering the "cremains," an industry term for cremation ashes, a variety of urs in bronze, ceramic, wood or imitation marble are available."
Date:
May 2, 1985
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0310B.0416]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
July 2, 1985
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
LSI/CAMAC system for heavy elements research
We have developed a LSI-11/23 computer-driven CAMAC data acquisition system. The 64 silicon-detector system is being used to investigate the alpha and spontaneous fission activities of short-lived transfermium isotopes by the real-time monitoring of the mother-daughter alpha decay sequence. A unique modular pulse processing electronics system was designed to simplify set up and calibration. The computer adjusts the gain of the CAMAC shaping amplifiers enabling the calibration and alignment of all 64 of the 1 k alpha spectra to within 0.5 channel in less than 10 minutes.
Date:
May 2, 1985
Creator:
Watkins, E. D.; Dougan, R. J. & McQuaid, J. H.
Object Type:
Article
System:
The UNT Digital Library
Increasing the energy of SLC by transient wake field
Here the authors present a possible way to further increase the energy of SLAC single bunch from 50 GeV to 65 GeV or even more, without increasing the rf peak power and accelerator length.
Date:
July 2, 1985
Creator:
Yao, C.G.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0309B.0235]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
November 2, 1985
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0348.0538]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Among guests are, from left, Dan and Renee Jones and Dr. Charles and Kelley Lackey."
Date:
May 2, 1985
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0310B.0415]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
July 2, 1985
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0228.0244]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Charles and Pat Green left, warm themselves by the fire with host Don Bobzien."
Date:
January 2, 1985
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0262B.0544]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Cathy Stout and millhouse easily take a jump during a practice for the governor's Cup Grand Prix horse show."
Date:
July 2, 1985
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0163B.0018]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Celebration - Central State University art students cut, hemmed and pressed more than 100 yards of colorful fabric before this huge hanging coud be placed Saturday in the five-floor Oklahoma Capitol Rotunda."
Date:
March 2, 1985
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History