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Crab-crossing in a Tau-Charm facility
This report discusses the following topics: crab-crossing; horizontal versus vertical beam crossing; a crab-crossing arrangement for a Tau-Charm facility; tolerance; and beam loading and average current limitations. 7 refs., 1 fig., 1 tab. (LSP)
Date:
July 1, 1989
Creator:
Voss, G.A.; Paterson, J.M. & Kheifets, S.A.
Object Type:
Article
System:
The UNT Digital Library
Luminosity of continuous beams with crossing angle
Since it appears difficult to reach a luminosity of even 10/sup 32/ cm/sup -2/ sec/sup -1/ with (p, anti p) in a single ring if the number of events per bunch collision should not exceed unity, it seems appropriate to ask what could be done with two continuous beams in independent rings, ISR style. This subject was treated at some length in the first ICFA report by Keil and King, based on an optimization procedure developed earlier by Keil. In this note, a different approach is taken by considering the length of the interaction diamond and the luminosity to be of primary importance and relating the other parameters to them.
Date:
October 1, 1982
Creator:
Smith, L.
Object Type:
Article
System:
The UNT Digital Library
Energy scaling, crab crossing and the pair problem
Making reasonable assumptions, the luminosities of linear colliders are calculated for center-of-mass energies of 10 GeV, 100 GeV and 1 TeV. A calculation is also mode for a 1/2 TeV collider that could be upgraded to 1 TeV later. The improvements possible using ''crab-like'' crossing are also given. 4 refs., 4 figs., 3 tabs.
Date:
December 1, 1988
Creator:
Palmer, Robert B.
Object Type:
Article
System:
The UNT Digital Library
California-ko Ostatuak: a History of California's Basque Hotels
The history of California's Basque boardinghouses, or ostatuak, is the subject of this dissertation. To date, scholarly literature on ethnic boardinghouses is minimal and even less has been written on the Basque "hotels" of the American West. As a result, conclusions in this study rely upon interviews, census records, local directories, early maps, and newspapers. The first Basque boardinghouses in the United States appeared in California in the decade following the gold rush and tended to be outposts along travel routes used by Basque miners and sheepmen. As more Basques migrated to the United States, clusters of ostatuak sprang up in communities where Basque colonies had formed, particularly in Los Angeles and San Francisco during the late nineteenth century. In the years between 1890 and 1940, the ostatuak reached their zenith as Basques spread throughout the state and took their boardinghouses with them. This study outlines the earliest appearances of the Basque ostatuak, charts their expansion, and describes their present state of demise. The role of the ostatuak within Basque-American culture and a description of how they operated is another important aspect of this dissertation. Information from interviews supports the claim that the ostatua was the most important social institution …
Date:
May 1988
Creator:
Echeverría, Jerónima, 1946-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Aeromagnetic measurements in the Cascade Range and Modoc Plateau of northern California. Report on work done from June 1, 1980-November 30, 1980
Aeromagnetic measurements made along flightlines oriented east-west and spaced at 1.6-km intervals and along lines oriented north-south and spaced at 8-km intervals, over approximately 30,000 square km of northern California, exhibit crossing errors of less than 5 nanoTeslas. The measurements show short-wavelength magnetic anomalies associated with near-surface volcanics over and east of Lassen Peak and over and north of Mt. Shasta and the Medicine Lake Highlands, longer wavelength anomalies over the Modoc Plateau, and very long wavelength anomalies over the northernmost part of the Great Valley and the easternmost metamorphic rocks of the Klamath Mountains. Anomaly patterns exhibit northwest-southeast trends over the Modoc Plateau and a marked change in character at the juncture of the plateau and the Klamath Mountain and Great Valley complexes.
Date:
January 1, 1982
Creator:
Couch, R. & Gemperle, M.
Object Type:
Report
System:
The UNT Digital Library
Sonora Pass Detail Area: Field Data
Documentation outlining characteristics of field data samples taken in the Sonora Pass detail area.
Date:
July 31, 1980
Creator:
Butz, T. R.; French, J. H.; Bard, C. S.; Leimer, H. W.; Helgerson, R. N.; Grimes, J. G. et al.
Object Type:
Dataset
System:
The UNT Digital Library
Hydrogeochemical and Stream Sediment Detailed Geochemical Survey for Sonora Pass, California
The following report presents results of the Sonora Pass, California detailed geochemical survey. Field and laboratory data are presented for 15 groundwater and 701 stream sediment samples.
Date:
July 31, 1980
Creator:
Butz, T. R.; French, J. H.; Bard, C. S.; Leimer, H. W.; Helgerson, R. N.; Grimes, J. G. et al.
Object Type:
Report
System:
The UNT Digital Library
Coastal Cliff Sediments, San Diego Region, Dana Point to the Mexican Border (1887 to 1947)
From Summary: These studies document the temporally episodic and areally site-specific character of subaerial erosion, which is shown to be directly related to prevailing meteorologic conditions.
Date:
December 1988
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Geothermal energy: opportunities for California commerce. Final report
This report provides a preliminary engineering and economic assessment of five direct use projects using low and moderate temperature geothermal resources. Each project site and end-use application was selected because each has a high potential for successful, near-term (2 to 5 years) commercial development. The report also includes an extensive bibliography, and reference and contact lists. The five projects are: Wendel Agricultural Complex, East Mesa Livestock Complex, East Mesa Vegetable Dehydration Facility, Calapatria Heating District and Bridgeport Heating District. The projects involve actual investors, resource owners, and operators with varying financial commitments for project development. For each project, an implementation plan is defined which identifies major barriers to development and methods to overcome them. All projects were determined to be potentially feasible. Three of the projects cascade heat from a small-scale electric generator to direct use applications. Small-scale electric generation technology (especially in the 0.5 to 3 MW range) has recently evolved to such a degree as to warrant serious consideration. These systems provide a year-round heating load and substantially improve the economic feasibility of most direct use energy projects using geothermal resources above 200/sup 0/F.
Date:
August 1, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Study and full-scale test of a high-velocity grade-crossing simulated accident of a locomotive and a nuclear-spent-fuel shipping cask
This report described structural analyses of a high-speed impact between a locomotive and a tractor-trailer system carrying a nuclear-spent-fuel shipping cask. The analyses included both mathematical and physical scale-modeling of the system. The report then describes the full-scale test conducted as part of the program. The system response is described in detail, and a comparison is made between the analyses and the actual hardware response as observed in the full-scale test. 34 figures.
Date:
February 1, 1983
Creator:
Huerta, M. & Yoshimura, H.R.
Object Type:
Report
System:
The UNT Digital Library
Reconnaissance geothermal resource assessment of 40 sites in California
Results are set forth for a continuing reconnaissance-level assessment of promising geothermal sites scattered through California. The studies involve acquisition of new data based upon field observations, compilation of data from published and unpublished sources, and evaluation of the data to identify areas suitable for more intensive area-specific studies. Forty sites were chosen for reporting on the basis of their relative potential for development as a significant resource. The name and location of each site is given, and after a brief synopsis, the geothermal features, chemistry, geology, and history of the site are reported. Three sites are recommended for more detailed study on the basis of potential for use by a large number of consumers, large volume of water, and the likelihood that the resource underlies a large area. (LEW)
Date:
January 1, 1981
Creator:
Leivas, E.; Martin, R. C.; Higgins, C. T. & Bezore, S. P.
Object Type:
Report
System:
The UNT Digital Library
Brawley 10MW Geothermal Plant Plant Manual for Southern California Edison Company and Union Oil Company of California: Systems Start-up and Operations, Volume II
Each system within the facility is considered from an operation viewpoint. There are five subsegments within this operation's viewpoint. Prerequisite conditions, start-up, normal operating, emergency and shutdown.
Date:
November 28, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Fourier Grain-Shape and Mineralogic Analyses of Coastal and Inner Shelf Sand Samples: Dana Point to the United-States-Mexico Border
From introduction: The principal purpose of this report is to determine the local sediment sources of beach sand samples from the Oceanside, Mission Beach, and Silver Strand littoral cells.
Date:
May 1989
Creator:
Osborne, Robert H.; Ahlschwede, Kelly S.; Broadhead, Sean D.; Cho, Kyung H.; Compton, Eleanor A. & Yeh, Chia-Chen
Object Type:
Report
System:
The UNT Digital Library
Proceedings of the international conference on nuclear physics, August 24-30, 1980, Berkeley, California. Volume 1. Abstracts. [Berkeley, California, August 24-30, 1980 (abstracts only)]
This volume contains all abstracts (931) received by the conference organizers before June 20, 1980. The abstracts are grouped according to the following topics: nucleon-nucleon interactions, free and in nuclei; distribution of matter, charge, and magnetism; exotic nuclei and exotic probes; giant resonances and other high-lying excitations; applications of nuclear science; nuclei with large angular momentum and deformation; heavy-ion reactions and relaxation phenomena; new techniques and instruments; pion absorption and scattering by nuclei; and miscellaneous. Some of these one-page abstracts contain data. A complete author index is provided. (RWR)
Date:
January 1, 1980
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
Location of odor sources and the affected population in Imperial County, California
This report is divided into four sections. The first two sections contain general background information on Imperial County. The third section is a general discussion of odor sources in Imperial County, and the fourth maps the specific odor sources, the expected areas of perception, and the affected populations. this mapping is done for the Imperial Valley and each of the four Imperial County KGRA's (Known Geothermal Resource Areas) where odor from the development of the geothermal energy may affect population.
Date:
August 1, 1981
Creator:
Hahn, J. L.
Object Type:
Report
System:
The UNT Digital Library
Research in the Geysers-Clear Lake geothermal area, northern California
Twenty-four papers are included. A separate abstract was prepared for each one. (MHR)
Date:
January 1, 1981
Creator:
McLaughlin, R.J. & Donnelly-Nolan, J.M. (eds.)
Object Type:
Report
System:
The UNT Digital Library
Hot Spring Monitoring at Lassen Volcanic National Park, California 1983-1985
Data collected on several occasions between 1983 and 1985 as part of a hydrologic monitoring program by the U.S. Geological Survey permit preliminary estimation of the natural variability in the discharge characteristics of hydrothermal features in Lassen Volcanic National Park and the Lassen KGRA in northern California. The total rate of discharge of high-chloride hot springs along Mill Creek and Canyon Creek in the Lassen KGRA has averaged 20.9 {+-} 1.7 L/s, based on seven measurements of the flux of chloride in these streams. Measured chloride flux does not appear to increase with streamflow during the spring-summer snowmelt period, as observed at Yellowstone and Long Valley Caldera. The corresponding fluxes of arsenic in Mill Creek and Canyon Creek decrease within distances of about 2 km downstream from the hot springs by approximately 30%, most likely due to chemical absorption on streambed sediments. Within Lassen Volcanic National Park, measurements of sulfate flux in streams draining steam-heated thermal features at Sulphur Works and Bumpass Hell have averaged 7.5 {+-} 1.0 and 4.0 {+-} 1.5 g/s, respectively. Calculated rates of steam upflow containing, dissolved H{sub 2}S to supply these sulfate fluxes are 1.8 kg/s at Sulphur Works and 1.0 kg/s at Bumpass Hell.
Date:
January 21, 1986
Creator:
Sorey, Michael L.
Object Type:
Article
System:
The UNT Digital Library
Workshop on nuclear dynamics. [Tahoe City, California, March 17 to 21, 1980]
A separate abstract was prepared for each of the 28 papers in this report. (RWR)
Date:
March 1, 1980
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
Geothermal feasibility study for City of Sonoma, California - four municipal buildings
The City of Sonoma, located in the Northern California Wine Country, consists of several buildings which are old and historic in nature. Four of these buildings, (which shall be designated 1 through 4), totaling approximately 31,150 square feet, shall be evaluated to determine the economic feasibility of converting the existing Environmental Control Systems to water source heat pumps utilizing a natural Geothermal heat sink. Presently, on the State Park's site, there exists a warm water well which produces 250 gallons per minute of water at 73/sup 0/F. Based on utility rates forecast by Pacific Gas and Electric, installation of heat pumps in the City buildings at Sonoma does not appear to be attractive. The economic evaluation was continued until the year 2000. Pacific Gas and Electric is re-evaluating its rate forecasts and will issue a new forecast in April 1982. The high capital cost is due to retrofitting the heating, ventilating, and air conditioning equipment for the existing buildings. For a new installation, the concept of using heat pumps should be re-evaluated.
Date:
January 1, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Research in the Geysers-Clear Lake Geothermal Area, Northern California
From abstract: The Geysers-Clear Lake geothermal area lies within the central belt of the Franciscan assemblage in northern California. The structure of this terrane is characterized by northeast-dipping imbricate thrust slices that have been warped and cut by steeply dipping strike-slip and normal faults. Introduction of magma into the crust beneath the Geysers-Clear Lake area can be related to eastsoutheast extension accompanying northward propagation of the San Andreas transform system between the Clear Lake region and Cape Mendocino within the last 3 million years. The initiation of strike-slip faulting during this time terminated subduction of elements of the Farallon plate beneath North America as strike-slip motion was taken up along the Pacific-North American plate boundary. The mechanism for magma generation appears to require a heat source in the mantle that mixed mantle-derived melts with various crustal rocks. These crustal rocks may have included the Franciscan central and coastal belts, ophiolite, Great Valley sequence, and possibly middle and late Tertiary rocks subducted before initiation of strike-slip faulting.
Date:
1981
Creator:
McLaughlin, Robert J. & Donnelly-Nolan, Julie M.
Object Type:
Report
System:
The UNT Digital Library
National Uranium Resource Evaluation: Lovelock Quadrangle, Nevada and California: Appendix C: Uranium-Occurrence Report
Discussing the occurrence of uranium in the Lovelock Quadrangle
Date:
August 1982
Creator:
Smouse, DeForrest
Object Type:
Report
System:
The UNT Digital Library
Resource investigation of low- and moderate-temperature geothermal areas in San Bernardino, California. Part of the third year report, 1980-81, of the US Department of Energy-California State-Coupled Program for Reservoir Assessment and Confirmation
Ninety-seven geothermal wells and springs were identified and plotted on a compiled geologic map of the 40-square-mile study area. These wells and springs were concentrated in three distinguishable resource areas: Arrowhead Hot Springs; South San Bernardino; and Harlem Hot Springs - in each of which detailed geophysical, geochemical, and geological surveys were conducted. The Arrowhead Hot Springs geothermal area lies just north of the City of San Bernardino in the San Bernardino Mountains astride a shear zone (offshoot of the San Andreas fault) in pre-Cambrian gneiss and schist. The Harlem Hot Springs geothermal area, on the east side of the City, and the south San Bernardino geothermal area, on the south side, have geothermal reservoirs in Quaternary alluvial material which overlies a moderately deep sedimentary basin bound on the southwest by the San Jacinto fault (a ground water barrier). Geothermometry calculations suggest that the Arrowhead Hot Springs geothermal area, with a maximum reservoir temperature of 142/sup 0/C, may have the highest maximum reservoir temperature of the three geothermal areas. The maximum temperature recorded by CDMG in the south San Bernardino geothermal area was 56/sup 0/C from an artesian well, while the maximum temperature recorded in the Harlem Hot Springs geothermal …
Date:
August 1, 1981
Creator:
Youngs, L. G.; Bezore, S. P.; Chapman, R. H. & Chase, G. W.
Object Type:
Report
System:
The UNT Digital Library
Proceedings: Third Symposium on the Cerro Prieto Geothermal Field, Baja California, Mexico
These proceedings include both English and Spanish versions of each paper presented at the symposium. Illustrations and tables, which have been placed between the two versions, include captions in both languages. Forty-one papers are included. Five papers were indexed for EDB previously. Separate abstracts were prepared for thirty-three papers and three were listed by title.
Date:
January 1, 1981
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
Assessment of geothermal development in the Imperial Valley of California. Volume 1. Environment, health, and socioeconomics
Utilization of the Imperial Valley's geothermal resources to support energy production could be hindered if environmental impacts prove to be unacceptable or if geothermal operations are incompatible with agriculture. To address these concerns, an integrated environmental and socioeconomic assessment of energy production in the valley was prepared. The most important impacts examined in the assessment involved air quality changes resulting from emissions of hydrogen sulfide, and increases in the salinity of the Salton Sea resulting from the use of agricultural waste waters for power plant cooling. The socioeconomics consequences of future geothermal development will generally be beneficial. (MHR)
Date:
July 1, 1980
Creator:
Layton, D. (ed.)
Object Type:
Report
System:
The UNT Digital Library