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Model for H/sup -/ and D/sup -/ production by hydrogen backscattering
The Marlowe Monte-Carlo backscattering code has been used to calculate particle reflection coefficients and energy distributions for H, D incident upon Li, K, Ni, Cu, Mo, Ag, Cs, Hf, W, Pt, and U surfaces. The backscattered energy and angular distributions are combined with a model for formation and survival probabilities for H/sup -/, D/sup -/ leaving the surface. A least-squares fit of experimental measurements of H/sup -/ yields from the composite surface, Cs/Cu, has been used to obtain two semi-empirical constants, ..cap alpha.., ..beta.. which enter into the formation and survival probabilities. These probabilities are used to calculate the production probability which in turn provides an upper limit to the negative ion yield. The choice of electrode material is discussed as a function of atomic number.
Date:
May 27, 1980
Creator:
Hiskes, J.R. & Schneider, P.J.
Object Type:
Report
System:
The UNT Digital Library
Seismic review of the R. E. Ginna Nuclear Power Plant as part of the Systematic Evaluation Program for the Nuclear Regulatory Commission
This paper is a progress report on work at the Lawrence Livermore National Laboratory (LLNL) to perform a limited seismic reassessment of the Robert E. Ginna Nuclear Power Plant. The reassessment is being done for the Nuclear Regulatory Commission (NRC) as part of the Systematic Evaluation Program. The reassessment focuses generally on the reactor coolant pressure boundary and on those systems and components necessary to shut down the reactor safely and to maintain it in a safe shutdown condition following a postulated earthquake characterized by a peak horizontal ground acceleration of 0.2 g. Methods and modeling procedures used to analyze a complex of interconnected buildings are highlighted.
Date:
May 27, 1980
Creator:
Murray, R. C.; Nelson, T. A.; Ng, D. S.; Liaw, C. Y.; Levin, H. A. & Cheng, T. M.
Object Type:
Article
System:
The UNT Digital Library
[Letter from Julian C. Stanley to James R. Miller, May 27, 1987]
Letter from Julian C. Stanley to James R. Miller, on May 27, 1987, congratulating him on getting approval for the Texas Academy of Mathematics and Science. He suggests they not open to program until fall of 1988, so that they can give time and thought to recruiting able students. Stanley also encloses several articles about gifted and talented students.
Date:
May 27, 1987
Creator:
Stanley, Julian C.
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Carl L. Yeckel to James Miller, May 27, 1988]
Letter from Carl L. Yeckel to James Miller, on May 27, 1988, informing him that the Board of Directors of the Carl B. and Florence E. King Foundation have decided to deny North Texas State University's request that they sponsor twenty TAMS students over three years.
Date:
May 27, 1988
Creator:
Yeckel, Carl L.
Object Type:
Letter
System:
The UNT Digital Library
[Photograph 2012.201.B0139.0399]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Buffalo Bill Bittinger (Dabney Coleman) becomes a used car salesman after his television show is canceled on "Buffalo Bill" at 8:30 CDT tonight on NBC."
Date:
May 27, 1983
Creator:
NBC News
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0158.0294]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Del Crest Junior High School, 4731 Judy Drive, Del City, recently named its new cheerleaders for the next school year."
Date:
May 27, 1986
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0172.0126]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "The new Edmond Grace lawn Cemetery Veterans' Monument, dedicated on Memorial Day, stands ready for visitors."
Date:
May 27, 1981
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0174.0005]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Construction on Edmond's new post office, located between Campbell and Edwards on Broadway, is moving along rapidly, officials say."
Date:
May 27, 1981
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0171.0654]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
May 27, 1982
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0151.0270]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Larry Curtis, Oklahoma City Zoo director, tells about this city's unique citizen reaction to the zoo."
Date:
May 27, 1982
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0137.0154]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Jerome Clevinger takes a mighty swing at a pitch during game at the Northside Sports Complex."
Date:
May 27, 1982
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0137.0153]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "George Clevinger, catcher for the northside Falcons, watcher his teammates in action through the dugout fence."
Date:
May 27, 1982
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0139.0127]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Wanda Finn and Bob Cole, Mount Saint Mary Alumni Association officers, list group priorities."
Date:
May 27, 1980
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0137.0448]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Democrat gubernatorial candidate Bill Clinton and his wife are greeted at his headquarters by little Rock, Ark."
Date:
May 27, 1982
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Longitudinal compression of heavy-ion beams with minimum requirements on final focus
A method is developed to compress a heavy-ion beam longitudinally in such a way that the compressed pulse has a constant line-charge density profile and uniform longitudinal momentum. These conditions may be important from the standpoint of final focusing. By realizing the similarity of the equations that describe the 1-D charged-particle motion to the equations that describe 1-D ideal gas flow, the evolution of lambda and the velocity tilt can be calculated using the method of characteristics developed for unsteady supersonic gasdynamics. Particle simulations confirm the theory. Various schemes for pulse shaping have been investigated.
Date:
May 27, 1986
Creator:
Ho, D.D.M.; Bangerter, R.O.; Mark, J.W.K.; Brandon, S.T. & Lee, E.P.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0335.0111]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The driver at the head of this 45-foot trailer always his "eyes on the road."
Date:
May 27, 1988
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0228.0293]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "The umpire makes it clear that OSU's Gary Green 7 is out at the plate as ORU catcher Greg Cottrell holds up the ball"
Date:
May 27, 1983
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0335.0110]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The hands-on station inside the "Eyes on the Road" van."
Date:
May 27, 1988
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0338.1097]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Kathie and Jeff Kerr help their (identical twin sons,) Stephen, left, and Geoffrey get reacquainted."
Date:
May 27, 1988
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0334.0101]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Stacey King takes a moment to sign an autograph at Saturday night's benefit."
Date:
May 27, 1989
Creator:
Sisney, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0230.0079]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "On hand for the garden party at the Oklahoma Heritage Center were Mr. and Mrs. John Griffin."
Date:
May 27, 1983
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0256.0278]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Amy Henderson pack up her school supplies."
Date:
May 27, 1982
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0231.0754]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Sixth-graders Alan Gunning and Lora Davis."
Date:
May 27, 1982
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0261C.0580]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "BOB & ANN HOOVER VISIT WITH ALICE & FRANK QUAN..."
Date:
May 27, 1983
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History