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2 MW upgrade of the Fermilab Main Injector
In January 2002, the Fermilab Director initiated a design study for a high average power, modest energy proton facility. An intensity upgrade to Fermilab's 120-GeV Main Injector (MI) represents an attractive concept for such a facility, which would leverage existing beam lines and experimental areas and would greatly enhance physics opportunities at Fermilab and in the U.S. With a Proton Driver replacing the present Booster, the beam intensity of the MI is expected to be increased by a factor of five. Accompanied by a shorter cycle, the beam power would reach 2 MW. This would make the MI a more powerful machine than the SNS or the J-PARC. Moreover, the high beam energy (120 GeV) and tunable energy range (8-120 GeV) would make it a unique high power proton facility. The upgrade study has been completed and published. This paper gives a summary report.
Date:
June 4, 2003
Creator:
Chou, Weiren
Object Type:
Article
System:
The UNT Digital Library
An 8-GeV Synchrotron-Based Proton Driver
In January 2002, the Fermilab Director initiated a design study for a high average power, modest energy proton facility. Such a facility is a possible candidate for a construction project in the U.S. starting in the middle of this decade. The key technical element is a new machine, dubbed the ''Proton Driver,'' as a replacement of the present Booster. The study of an 8-GeV synchrotron-based proton driver has been completed and published. This paper will give a summary report, including machine layout and performance, optics, beam dynamics issues, technical systems design, civil construction, cost estimate and schedule.
Date:
June 4, 2003
Creator:
Chou, Weiren
Object Type:
Article
System:
The UNT Digital Library
A 14.6 Arcsecond Quasar Lens Split by a Massive Dark Matter Halo
Gravitational lensing is a powerful tool to study the distribution of dark matter in the universe. The cold dark matter model of structure formation predicts the existence of quasars gravitationally lensed by concentrations of dark matter so massive that the quasar images would be split by over 7 inches. However, numerous searches for large-separation lensed quasars have been unsuccessful; all of the roughly 70 lensed quasars known to date, such as Q0957+561, have smaller splittings, and can be explained in terms of galaxy scale concentrations of baryonic matter that have undergone dissipative collapse. Here they report the discovery of the first large-separation lensed quasar, SDSS J1004+4112, with a maximum separation of 14.62 inches; at this separation, the lensing object must be dominated by dark matter. While gravitationally lensed galaxies of even large separation are known, large-separation quasars are more useful cosmological probes because of the simplicity of the resulting lens systems. The discovery in their current quasar sample is fully consistent with the theoretical expectations based on the cold dark matter model.
Date:
December 4, 2003
Creator:
Inada, N.; Oguri, M.; Pindor, B.; Hennawi, J.; Chiu, K.; Zheng, W. et al.
Object Type:
Article
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 32, No. 23, Ed. 1 Friday, April 4, 2003
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 4, 2003
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
78th Texas Legislature, Regular Session, House Concurrent Resolution 18
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to recognizing February 24, 2003, as Liberty County Day 2003 at the State Capitol.
Date:
March 4, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 25
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to recognizing February 24-26, 2003, as Tyler Days at the State Capitol.
Date:
March 4, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 45
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to congratulating Dr. Arthur K. Smith and his wife, June, on the occasion of his retirement as chancellor of the University of Houston System and as president of the University of Houston.
Date:
March 4, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 62
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to honoring the Westside All-Stars of Fort Worth for being the 2002 Southwest Little League Champions and semifinalists in the 56th Annual Little League World Series.
Date:
March 4, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 63
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to honoring the Texas Historical Commission on the occasion of its 50th anniversary.
Date:
March 4, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, House Concurrent Resolution 66
Concurrent resolution introduced by the Texas House of Representatives and Senate relating to providing for a joint session to hear the state of the judiciary address.
Date:
March 4, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Regular Session, Senate Joint Resolution 30
Joint resolution introduced by the Texas Senate and House of Representatives relating to proposing a constitutional amendment relating to the provision of parks and recreational facilities by certain conservation and reclamation districts.
Date:
June 4, 2003
Creator:
Texas. Legislature. Senate.
Object Type:
Legislative Document
System:
The Portal to Texas History
78th Texas Legislature, Third Called Session, House Concurrent Resolution 29
Concurrent resolution introduced by the Texas House of Representatives and Senate congratulating AAA Texas on opening its new regional headquarters in Irving.
Date:
October 4, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
Ab Initio Nuclear Structure from Helium to Oxygen Final Report: 00-ERD-028
Final report for a research program in theoretical nuclear physics to develop methods and computer programs to perform ab initio calculations for light nuclei ranging from Helium to Oxygen. The method employed is based effective interaction theory within the framework of the shell model. The principal accomplishments were: (1) participation in the validation of ab initio for {sup 4}He; the first study of A = 6 nuclei with the realistic, non-local CD-Bonn potential; (2) a study of ''intruder'' states in {sup 8}Be, (3) the first shell-model calculations implementing three-body clusters in the effective interaction for nuclei with A > 4; (4) the discovery that two-nucleon interactions by themselves are inadequate to describe the structure of the nucleus {sup 10}B, which provides proof that three-nucleon forces affect nuclear structure; (5) first calculations including the Tucson-Melbourne three-nucleon force, which gives better agreement with the experimental spectrum for {sup 10}B and (6) the development of a new shell-model code designed for public release.
Date:
February 4, 2003
Creator:
Ormand, W E & Navratil, P
Object Type:
Report
System:
The UNT Digital Library
The Advanced Light Source Upgrade
The ALS, a third-generation synchrotron light source at Berkeley Lab, has been operating for almost a decade and is generating forefront science by exploiting the high brightness of a third-generation source in three areas: (1) high resolving power for spectroscopy; (2) high spatial resolution for microscopy and spectromicroscopy; and (3) high coherence for experiments such as speckle. However, the ALS was one of the first third-generation machines to be designed, and accelerator and insertion-device technology have significantly changed since its conception. As a result, its performance will inevitably be outstripped by newer, more advanced sources. To remain competitive and then set a new standard, the performance of the ALS, in particular its brightness, must be enhanced. Substantial improvements in brightness and current have always been feasible in principle, but they incur the penalty of a much reduced lifetime, which is totally unacceptable to our users. Significant brightness improvements can be realized in the core soft x-ray region by going to top-off operation, where injection would be quasi-continuous and the lifetime objections disappear. In top-off mode with higher average current, a reduced vertical emittance and beta function, and small-gap permanent-magnet or superconducting insertion devices, one to two orders of magnitude improvement …
Date:
November 4, 2003
Creator:
Chemla, Daniel S.; Feinberg, Benjamin; Hussain, Zahid; Krebs, Gary F.; Padmore, Howard A.; Robin, David S. et al.
Object Type:
Article
System:
The UNT Digital Library
Advanced Oxidation Process
The removal of recalcitrant sulfur species, dibenzothiophene and its derivatives, from automotive fuels is an integral component in the development of cleaner burning and more efficient automobile engines. Oxidative desulfurization (ODS) wherein the dibenzothiophene derivative is converted to its corresponding sulfoxide and sulfone is an attractive approach to sulfur removal because the oxidized species are easily extracted or precipitated and filtered from the hydrocarbon phase. Fe-TAML{reg_sign} activators of hydrogen peroxide (TAML is Tetra-Amido-Macrocyclic-Ligand) catalytically convert dibenzothiophene and its derivatives rapidly and effectively at moderate temperatures (50-60 C) and ambient pressure to the corresponding sulfoxides and sulfones. The oxidation process can be performed in both aqueous systems containing alcohols such as methanol, ethanol, or t-butanol, and in a two-phase hydrocarbon/aqueous system containing tert-butanol or acetonitrile. In the biphasic system, essentially complete conversion of the DBT to its oxidized products can be achieved using slightly longer reaction times than in homogeneous solution. Among the key features of the technology are the mild reaction conditions, the very high selectivity where no over oxidation of the sulfur compounds occurs, the near stoichiometric use of hydrogen peroxide, the apparent lack of degradation of sensitive fuel components, and the ease of separation of oxidized products.
Date:
November 4, 2003
Creator:
Horwitz, Colin P. & Collins, Terrence J.
Object Type:
Report
System:
The UNT Digital Library
ADVANCED TECHNOLOGIES FOR STRIPPER GAS WELL ENHANCEMENT
As part of Task 1 in Advanced Technologies for Stripper Gas Well Enhancement, Schlumberger Data & Consulting Services (DCS) joined with two Appalachian Basin producers, Great Lakes Energy Partners, LLC, and Belden & Blake Corporation to develop methodologies for identification and enhancement of stripper wells with economic upside potential. These industry partners previously provided us with data for more than 700 wells in northwestern Pennsylvania. Phase 1 goals of this project are to develop and validate methodologies that can quickly and cost-effectively identify wells with enhancement potential. We have enhanced and streamlined our software, and we are using the final version of our new Microsoft{trademark} Access/Excel programs. During the last quarter of 2002, we received additional data for approximately 2,200 wells from Great Lakes. This information pertains to their Cooperstown field located in northwestern Pennsylvania. We recognized approximately 130 potential remediation candidates, and Great Lakes' personnel are currently reviewing this list for viable remediation. This field has provided a rigorous test of our software and analytical methods. We have processed all the information provided to us including the Cooperstown data. Great Lakes also provided supplemental data listing the original operator of the wells. We have determined whether a statistically significant …
Date:
April 4, 2003
Creator:
MacDonald, Ronald J.
Object Type:
Report
System:
The UNT Digital Library
AIDS in Africa
Sub-Saharan Africa has been far more severely affected by AIDS than any other part of the world. The United Nations reports that 29.4 million adults and children are infected with the HIV virus in the region, which has about 10% of the world's population but more than 70% of the worldwide total of infected people. This report discusses this issue in detail, including the cause of the African AIDS epidemic, the social and economic consequences, response and treatment, and U.S. policy.
Date:
April 4, 2003
Creator:
Copson, Raymond W.
Object Type:
Report
System:
The UNT Digital Library
Airport Improvement Program
This issue brief discusses the Airport Improvement Program and its complement, the Passenger Facility Charge (PFC). After a brief history of federal support for airport construction and improvement, the report describes AIP funding, its source of revenues, funding distribution, the types of projects the program funds, AIP and PFC policy issues, and the allowable use of AIP funds for airport security purposes.
Date:
March 4, 2003
Creator:
Kirk, Robert S.
Object Type:
Report
System:
The UNT Digital Library
Alaska Oil and Gas Exploration, Development, and Permitting Project
The objective of this project is to eliminate three closely inter-related barriers to oil production in Alaska through the use of a geographic information system (GIS) and other information technology strategies. These barriers involve identification of oil development potential from existing wells, planning projects to efficiently avoid conflicts with other interests, and gaining state approvals for exploration and development projects. Each barrier is the result of either current labor-intensive methods or poorly accessible information. This project brings together three parts of the oil exploration, development, and permitting process to form the foundation for a more fully integrated information technology infrastructure for the State of Alaska. This web-based system will enable the public and other review participants to track permit status, submit and view comments, and obtain important project information online. By automating several functions of the current manual process, permit applications will be completed more quickly and accurately, and agencies will be able to complete reviews with fewer delays. The application will include an on-line diagnostic Coastal Project Questionnaire to determine the suite of permits required for a specific project. The application will also automatically create distribution lists based on the location and type of project, populate document templates for …
Date:
August 4, 2003
Creator:
McMahon, Richard; Crandall, Robert; Dense, Chas & Weems, Sean
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 128, No. 14, Ed. 1 Thursday, September 4, 2003
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 4, 2003
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 128, No. 27, Ed. 1 Thursday, December 4, 2003
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
December 4, 2003
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 105, No. 120, Ed. 1 Monday, August 4, 2003
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 4, 2003
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 105, No. 146, Ed. 1 Thursday, September 4, 2003
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 4, 2003
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 105, No. 198, Ed. 1 Tuesday, November 4, 2003
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 4, 2003
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History