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D-0 End Calorimeter Warm Tube/TeV Dry Air Purge
This Engineering Note studies the design of the Dry Air Purge that is going to flow through the Warm Tube of the End Calorimeter of the D-O Calorimeter. The Tev tubes through the E.C. can be thought of as a cluster of concentric tubes: The Tev tube, the warm (vacuum vessel) tube, 15 layers of superinsulation, the cold (argon vessel) tube, and the Inner Hadronic center support tube. The Dry Air Purge will involve flowing Dry Air through the annular region between the Warm Tube and the Tev Beam Pipe. This air flow is intended to prevent condensation from forming in this region which could turn to ice under cryogenic temperatures. Any ice formed in this gap, could cause serious problems when these tubes are moved. The Air will flow through a Nylon Tube Fitting -1/4-inch I.D. to 1/8-inch male pipe thread (Cole Palmer YB-06465-15) see Drawing MC-295221 (Appendix A). This fitting will be attached to the Nylon 2-inch Tube-Wiper and Seal Assembly which is clamped to the ends of the Warm Tube (Appendix A). This note includes drawings and calculations that explain the setup of the Dry Air Purge and give the required information on the pressure drops through …
Date:
August 14, 1991
Creator:
Leibfritz, J. R.
Object Type:
Report
System:
The UNT Digital Library
The Allen American (Allen, Tex.), Vol. 22, No. 64, Ed. 1 Wednesday, August 14, 1991
Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Hutchison, Mark & Epperson, Wayne
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 91, No. 135, Ed. 1 Wednesday, August 14, 1991
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Aransas Pass Progress (Aransas Pass, Tex.), Vol. 83, No. 25, Ed. 1 Wednesday, August 14, 1991
Weekly newspaper from Aransas Pass, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Cole, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
B-jet tagging using electrons at SDC
This note examines b-jet tagging at SDC, using semileptonic b {r arrow} e{upsilon} X electron decays. The main application for this tagging capability would be in the study of Top decays. Thus, we consider Top decays in a reasonable'' mass range (e.g. 110 < Mtop < 170). For completeness, we also consider inclusive QCD production of b-quarks. We are mainly interested in the effects of hadron calorimeter segmentation on the electron efficiency, assuming that similar algorithms are used for electron ID at SDC as at CDF. We review the following topics: kinematics of top decay; kinematics of semileptonic b-decay; effects of Had/EM cuts on electron ID, as a function of b-decay kinematics and calorimeter segmentation; overall efficiency for b-tagging from Top decay and inclusive b-production. We consider only the barrel region in our simulation, e.g. {eta} < 1.4. 19 figs.
Date:
August 14, 1991
Creator:
Wicklund, A. B.
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 69, No. 246, Ed. 1 Wednesday, August 14, 1991
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Brown, Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 87, No. 35, Ed. 1 Wednesday, August 14, 1991
Weekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Chickasha Daily Express (Chickasha, Okla.), Vol. 100, No. 133, Ed. 1 Wednesday, August 14, 1991
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Plummer, George
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Citizens Journal (Atlanta, Tex.), Vol. 113, No. 22, Ed. 1 Wednesday, August 14, 1991
Semi-weekly newspaper from Atlanta, Texas that includes local, state and national news along with extensive advertising.
Date:
August 14, 1991
Creator:
Coleman, John
Object Type:
Newspaper
System:
The Portal to Texas History
Cleveland Advocate (Cleveland, Tex.), Vol. 74, No. 33, Ed. 1 Wednesday, August 14, 1991
Weekly newspaper from Cleveland, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Ferguson, Jerrel
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 96, No. 33, Ed. 1 Wednesday, August 14, 1991
Weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
Development of a catalyst for conversion of syngas-derived materials to isobutylene
The objective of this program is to develop an improved catalyst and process for the conversion of synthesis gas to isobutylene. The research will identify and optimize the key catalyst and process characteristics that give improved performance for CO conversion by a non-Fischer-Tropsch process.
Date:
August 14, 1991
Creator:
Gajda, G. J. & Barger, P. T.
Object Type:
Report
System:
The UNT Digital Library
Development of a catalyst for conversion of syngas-derived materials to isobutylene. Quarterly technical report No. 1, March 15, 1991--June 30, 1991
The objective of this program is to develop an improved catalyst and process for the conversion of synthesis gas to isobutylene. The research will identify and optimize the key catalyst and process characteristics that give improved performance for CO conversion by a non-Fischer-Tropsch process.
Date:
August 14, 1991
Creator:
Gajda, G. J. & Barger, P. T.
Object Type:
Report
System:
The UNT Digital Library
Duval County Picture (San Diego, Tex.), Vol. 6, No. 32, Ed. 1 Wednesday, August 14, 1991
Weekly newspaper from San Diego, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Cardenas, Alfredo E.
Object Type:
Newspaper
System:
The Portal to Texas History
The effect of passive material on the detection of hadrons in calorimeter configurations for the SDC detector
We have used a flexible geometry model of a calorimeter design for SDC to study the effect of passive material in front of the calorimeter and between the barrel and endcap modules on the apparent response to hadrons. The thicknesses of the passive materials have been chosen to closely resemble the currently projected wall thicknesses of the scintillating tile-fiber and liquid-argon calorimeter designs. The liquid-argon model contains about three times the amount of material in its shells compared to the tile-fiber model. The solenoid coil reduces the relative difference somewhat in the barrel region but constitutes only a minor correction in the transition region from barrel to endcap. Correspondingly, we find a significantly worse response for the liquid-argon case which we demonstrate using beams of single {pi}{sup minus} particles of 10 GeV/c momentum. 13 refs., 6 figs.
Date:
August 14, 1991
Creator:
Kirk, T. B. W. & Trost, H. J.
Object Type:
Report
System:
The UNT Digital Library
Levelland and Hockley County News-Press (Levelland, Tex.), Vol. 13, No. 39, Ed. 1 Wednesday, August 14, 1991
Semiweekly newspaper from Levelland, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Mannford Eagle (Mannford, Okla.), Vol. 11, No. 24, Ed. 1 Wednesday, August 14, 1991
Weekly newspaper from Mannford, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
Fleming, Colleen A.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Mercedes Enterprise (Mercedes, Tex.), Vol. 80, No. 33, Ed. 1 Wednesday, August 14, 1991
Weekly newspaper from Mercedes, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 1991
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
[News Clip: Babtex]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 14, 1991, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Baby Death]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 14, 1991, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Jumper]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 14, 1991, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Levee]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 14, 1991, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Pipe Organ]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 14, 1991, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[Notes: Interview with Kay Vinson]
Notes from an interview with Kay Vinson.
Date:
August 14, 1991
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library