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A 15-T Pulsed Solenoid for a High-Power Target Experiment
The MERIT experiment, which ran at CERN in 2007, is a proof-of-principle test for a target system that converts a 4-MW proton beam into a high-intensity muon beam for either a neutrino factory complex or a muon collider. The target system is based on a free mercury jet that intercepts an intense proton beam inside a 15-T solenoidal magnetic field. Here, we describe the design and performance of the 15-T, liquid-nitrogen-precooled, copper solenoid magnet.
Date:
June 23, 2008
Creator:
Kirk, H. G.; Efthymiopoulos, I.; Fabich, A.; Haug, F.; Pereira, H.; Titus, P. et al.
Object Type:
Article
System:
The UNT Digital Library
2010 Census: The Bureau's Plans for Reducing the Undercount Show Promise, but Key Uncertainties Remain
Testimony issued by the Government Accountability Office with an abstract that begins "An accurate decennial census relies on finding and counting people-- only once--in their usual place of residence, and collecting complete and correct information on them. This is a daunting task as the nation's population is growing steadily larger, more diverse, and according to the U.S. Census Bureau (Bureau), increasingly difficult to find and reluctant to participate in the census. Historically, undercounts have plagued the census and the differential impact on various subpopulations such as minorities and children is particularly problematic. GAO was asked to describe (1) key activities the Bureau plans to use to help reduce the differential undercount and improve participation, (2) the various challenges and opportunities that might affect the Bureau's ability to improve coverage in 2010, and (3) how different population estimates can impact the allocation of federal grant funds. This testimony is based primarily on GAO's issued work in which it evaluated the performance of various Census Bureau operations."
Date:
September 23, 2008
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Abstinence Education: Assessing the Accuracy and Effectiveness of Federally Funded Programs
Testimony issued by the Government Accountability Office with an abstract that begins "Among the efforts of the Department of Health and Human Services (HHS) to reduce the incidence of sexually transmitted diseases and unintended pregnancies, the agency provides funding to states and organizations that offer abstinence-until-marriage education. GAO was asked to testify on the oversight of federally funded abstinence-until-marriage education programs. This testimony is primarily based on Abstinence Education: Efforts to Assess the Accuracy and Effectiveness of Federally Funded Programs, GAO-07-87 (Oct. 3, 2006). In this testimony, GAO discusses efforts by (1) HHS and states to assess the scientific accuracy of materials used in abstinence-until-marriage education programs and (2) HHS, states, and researchers to assess the effectiveness of abstinence-until-marriage education programs. GAO also discusses a Public Health Service Act requirement regarding medically accurate information about condom effectiveness. GAO focused on the three main federally funded abstinence-until-marriage programs and reviewed documents and interviewed HHS officials in the Administration for Children and Families (ACF) and the Office of Population Affairs (OPA). To update certain information, GAO contacted officials from ACF and OPA."
Date:
April 23, 2008
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Achieving Stability Requirements for Nanoprobe and Long Beam Lines at NSLS II. A Comprehensive Study
Driven by beam stability requirements at the NSLS II synchrotron, such that the desired small beam sizes and high brightness are both realized and stable, a comprehensive study has been launched seeking to provide assurances that stability at the nanometer level at critical x-ray beam-lines, is achievable, given the natural and cultural vibration environment at the selected site. The study consists of (a) an extensive investigation of the site to evaluate the existing ground vibration, in terms of amplitude, frequency content and coherence, and (b) of a numerical study of wave propagation and interaction with the infrastructure of the sensitive lines. The paper presents results from both aspects of the study.
Date:
June 23, 2008
Creator:
Simos,N.; Fallier, M.; Hill, J.; Berman, L.; Evans-Lutterodt, K. & Broadbent, A.
Object Type:
Article
System:
The UNT Digital Library
Adoption: Real-Life Adoption Experiences Remind Us We Are All God's Adopted Children - With the Power of God's Adoption, We Are Conquerors
Lecture given Tuesday, September 23, 2008, 8:30 AM at Abilene Christian University: "We are God's children, but do we act like it? One mother's experience with adoption reminds us of our true identity in Christ."
Date:
September 23, 2008
Creator:
Vaughn, Kelly
Object Type:
Sound
System:
The Portal to Texas History
Afghanistan: Government Formation and Performance
The central government's limited writ and perceived corruption are helping sustain a Taliban insurgency and painting President Hamid Karzai as a weak leader. However, ethnic disputes have been confined to political debate and competition, enabling Karzai to focus on reversing the security deterioration and on his re-election bid in the fall of 2009. See CRS Report RL30588, Afghanistan: Post-War Governance, Security, and U.S. Policy, by Kenneth Katzman.
Date:
September 23, 2008
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Post-War Governance, Security, and U.S. Policy
This report discusses the failing effort to stabilize Afghanistan. Specifically, the report points to Pakistan's inability to prevent Al Qaeda from entering Afghanistan and corruption in the new Afghan government. The future strategy of the U.S. in Afghanistan has been rendered unclear.
Date:
December 23, 2008
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
African American Members of the United States Congress: 1870-2008
This report provides statistics on the current numbers and roles of African American Members of Congress as well as historical data on African American Members of Congress.
Date:
July 23, 2008
Creator:
Amer, Mildred L.
Object Type:
Report
System:
The UNT Digital Library
AGS polarized proton operation in run 8.
Dual partial snake scheme has been used for the Brookhaven AGS (Alternating Gradient Synchrotron) polarized proton operation for several years. It has provided polarized proton beams with 1.5 x 10{sup 11} intensity and 65% polarization for RHIC spin program. There is still residual polarization loss. Several schemes such as putting horizontal tune into the spin tune gap, and injection-on-the-fly were tested in the AGS to mitigate the loss. This paper presents the experiment results and analysis.
Date:
June 23, 2008
Creator:
Huang, H.; Ahrens, L.; Bai, M.; Brown, K. A.; Gardner, C.; Glenn, J. W. et al.
Object Type:
Article
System:
The UNT Digital Library
AIDS Funding for Federal Government Programs: FY1981-FY2009
This report provides an overview of Department of Health and Human Services (HHS) spending on HIV/AIDS (human immunodeficiency virus/acquired immune deficiency syndrome) as well as budget numbers for other federal government programs targeting HIV/AIDS.
Date:
April 23, 2008
Creator:
Johnson, Judith A.
Object Type:
Report
System:
The UNT Digital Library
Air Force Air Refueling: The KC-X Aircraft Acquisition Program
The report discusses the KC-X program which is expected to acquire 179 new, commercial, off-the-shelf airliners modified to accomplish air refueling.
Date:
June 23, 2008
Creator:
Knight, William; Bolkcom, Christopher & Else, Daniel H.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 133, No. 22, Ed. 1 Thursday, October 23, 2008
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
October 23, 2008
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Algorithm for Unfolding Current from Faraday Rotation Measurement
Various methods are described to translate Faraday rotation measurements into a useful representation of the dynamic current under investigation[1]. For some experiments, simply counting the “fringes” up to the turnaround point in the recorded Faraday rotation signal is sufficient in determining the peak current within some allowable fringe uncertainty. For many other experiments, a higher demand for unfolding the entire dynamic current profile is required. In such cases, investigators often rely extensively on user interaction on the Faraday rotation data by visually observing the data and making logical decisions on what appears to be turnaround points and/or inflections in the signal. After determining extrema, inflection points, and locations, a piece-wise, ΔI/Δt, representation of the current may be revealed with the proviso of having a reliable Verdet constant of the Faraday fiber or medium and time location for each occurring fringe. In this paper, a unique software program is reported which automatically decodes the Faraday rotation signal into a time-dependent current representation. System parameters such as the Faraday fiber’s Verdet constant and number of loops in the sensor are the only user-interface inputs. The central aspect of the algorithm utilizes a short-time Fourier transform (STFT) which reveals much of the Faraday …
Date:
May 23, 2008
Creator:
Mitchell, Stephen E.
Object Type:
Article
System:
The UNT Digital Library
Alpha Channeling in a Rotating Plasma
The wave-particle α-channeling effect is generalized to include rotating plasma. Specifically, radio frequency waves can resonate with α particles in a mirror machine with E × B rotation to diffuse the α particles along constrained paths in phase space. Of major interest is that the α-particle energy, in addition to amplifying the RF waves, can directly enhance the rotation energy which in turn provides additional plasma confinement in centrifugal fusion reactors. An ancillary benefit is the rapid removal of alpha particles, which increases the fusion reactivity.
Date:
September 23, 2008
Creator:
Fisch, Abraham J. Fetterman and Nathaniel J.
Object Type:
Report
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 109, No. 201, Ed. 1 Wednesday, January 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 109, No. 252, Ed. 1 Sunday, March 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 109, No. 279, Ed. 1 Wednesday, April 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 109, No. 305, Ed. 1 Friday, May 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 109, No. 331, Ed. 1 Monday, June 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 109, No. 357, Ed. 1 Wednesday, July 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 110, No. 43, Ed. 1 Tuesday, September 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 110, No. 69, Ed. 1 Thursday, October 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 110, No. 94, Ed. 1 Sunday, November 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 110, No. 119, Ed. 1 Tuesday, December 23, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 23, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History