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Laser neutralization
Laser photodetachment of the excess electron to neutralize relativistic ions offers many advantages over the more conventional collisional methods using gases or thin foils as the neutralization agents. Probably the two most important advantages of laser photodetachment are the generation of a compact and low divergence beam, and the production of intense neutral beams at very high efficiency (approximately 90%). The high intensities or high current densities of the neutral beam result from the fixed maximum divergence that can be added to the beam by photodetachment of the charge using laser intensity of fixed wavelength and incident angle. The high neutralization efficiency is possible because there is no theoretical maximum to the neutralization efficiency, although higher efficiencies require higher laser powers and, therefore, costs. Additional advantages include focusability of the laser light onto the ion beam to maximize its efficacy. There certainly is no residual gas left in the particle beam path as is typical with gas neutralizers. The photodetachment process leaves the neutral atoms in the ground state so there is no excited state fluorescence to interfere with the subsequent beam sensing. Finally, since the beams to be neutralized are very high powered, for a large range of neutralization …
Date:
June 17, 1986
Creator:
Peterson, O.G.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0161.0004]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Fred Myers, director of the Gilcrease Museum in Tulsa Marion and John DeVore and Mary Frances Myers, from left, bottom photo, admire a painting from the "Oklahoma Treasures" Collection, which will be on display in Oklahoma city trough May 30."
Date:
April 17, 1986
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0164.0275]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "This week-old male Yorkie is a tiny little thing."
Date:
January 17, 1986
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0154.0358]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Majority leader Guy Davis, right, one of four Incumbent Democratic House members struggling for political survival, opened up an early lead and coasted to a decisive victory over challenger Charles Calhoun in Tuesday's run off election."
Date:
September 17, 1986
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0154.0262]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Don Davis admires a new bloom on his tropical plum aria shrub."
Date:
July 17, 1986
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0174.0418]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Andrea Peck, left and Judy Endrizal use paint brushes to touch up scenery being constructed for Edmond High School's Follies for 1986"
Date:
January 17, 1986
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0036]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Ward 7 City Councilman Goree James, left, reads off the latest vote totals on the city election as Herschel Lamirand updates a tally board with Mayor Andy Coats watching."
Date:
June 17, 1986
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0666]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Mary and Dick Clements, top photo, fill their plates with fruit at the Oklahoma Art Center reception."
Date:
April 17, 1986
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Hadronic production of J/sup PC/ = 2/sup + +/ glueballs
An OZI suppressed channel with variable mass, namely the reaction ..pi../sup -/p ..-->.. phi phi n, has been used as a filter which allows resonating gluons or glueballs to pass, while strongly rejecting conventional quark-built hadronic states. The breakdown of the OZI suppression signals a glueball. Glueball mass and particle width estimates are discussed. Reasons why g/sub T/'s have not been seen in other channels, particularly the decay of J/psi, are considered. 34 refs., 9 figs. (LEW)
Date:
March 17, 1986
Creator:
Lindenbaum, S. J.
Object Type:
Article
System:
The UNT Digital Library
Glovebox pressure relief and check valve
This device is a combined pressure relief valve and check valve providing overpressure protection and preventing back flow into an inert atmosphere enclosure. The pressure relief is embodied by a submerged vent line in a mercury reservior, the releif pressure being a function of the submerged depth. The pressure relief can be vented into an exhaust system and the relieving pressure is only slightly influenced by the varying pressure in the exhaust system. The check valve is embodied by a ball which floats on the mercury column and contacts a seat whenever vacuum exists within the glovebox enclosure. Alternatively, the check valve is embodied by a vertical column of mercury, the maximum back pressure being a function of the height of the column of mercury.
Date:
March 17, 1986
Creator:
Blaedel, K. L.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0334.0494]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
July 17, 1986
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0257.0017]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
February 17, 1986
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0323.0006]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Leroy Kassman believes The Village's new ordinance is unfair to his portable toilet business."
Date:
July 17, 1986
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0268.0245]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bill and Jeri Hubbard admire childhood dolls that belong to them and their daughter, Lori."
Date:
December 17, 1986
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0257.0014]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Rev. James Perkey, parents on left."
Date:
February 17, 1986
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0232.0479]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
January 17, 1986
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0250.0817]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dorothy Melton, left, and Jess and Jane Harris share a table at the executive women's dinner."
Date:
November 17, 1986
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0257.0018]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Crysta LaShawn Henslee, 21 months, and her brother, William Ryan, 4."
Date:
February 17, 1986
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0272.0729]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "McGuinness quarterback Frank Ille has eyes on Millwood's Marcus Carruthers as he heads for a second-quarter touchdown in a 10-7 Irish victory Friday night."
Date:
October 17, 1986
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0254.0165]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Northwest Classen High School student Laura Eppison holds 5-year-old Shane Bulloch and visits with other children during a recent holiday party."
Date:
December 17, 1986
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0265.0524]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The steel outline of a glass-enclosed walkway has emerged at St. Anthony Hospital."
Date:
December 17, 1986
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0265.0063]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bethany General Hospital is expected to put its small size and good location to work in handling its growing competition."
Date:
April 17, 1986
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0313B.0241]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Virginia Jenner (lover of hats)."
Date:
February 17, 1986
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0230.0352]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Caswell "Gube" Grissom stands next to his catfish farm on his property in eastern Oklahoma."
Date:
September 17, 1986
Creator:
Etter, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History