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204 Matching Results
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Injection of large transverse emittance EBIS beams in booster
During the commissioning of EBIS beams in Booster in November 2010 and in April, May and June 2011, it was found that the transverse emittances of the EBIS beams just upstream of Booster were much larger than expected. Beam emittances of 11{pi} mm milliradians had been expected, but numbers 3 to 4 times larger were measured. Here and throughout this note the beam emittance, {pi}{epsilon}{sub 0}, is taken to be the area of the smallest ellipse that contains 95% of the beam. We call this smallest ellipse the beam ellipse. If the beam distribution is gaussian, the rms emittance of the distribution is very nearly one sixth the area of the beam ellipse. The normalized rms emittance is the rms emittance times the relativistic factor {beta}{gamma} = 0.06564. This amounts to 0.12{pi} mm milliradians for the 11{pi} mm milliradian beam ellipse. In [1] we modeled the injection and turn-by-turn evolution of an 11{pi} mm milliradian beam ellipse in the horizontal plane in Booster. It was shown that with the present injection system, up to 4 turns of this beam could be injected and stored in Booster without loss. In the present note we extend this analysis to the injection of …
Date:
October 10, 2011
Creator:
Gardner, C.
Object Type:
Report
System:
The UNT Digital Library
Chile: Political and Economic Conditions and U.S. Relations
This report details about the Chile nation's Political and Economic situation, and the U.S - Chile relations.
Date:
January 10, 2014
Creator:
Meyer, Peter J.
Object Type:
Report
System:
The UNT Digital Library
Expedited Removal Authority for VA Senior Executives (38 U.S.C. § 713): Selected Legal Issues
This report discusses selected legal issues relating to the authority for summary removal of individuals in senior executive positions at the Department of Veterans Affairs.
Date:
November 10, 2015
Creator:
Nicola, Thomas J.
Object Type:
Report
System:
The UNT Digital Library
The RHIC and RHIC Pre-Injectors Controls Systems: Status and Plans
For the past twelve years experiments at the Relativistic Heavy Ion Collider (RHIC) have recorded data from collisions of heavy ions and polarized protons, leading to important discoveries in nuclear physics and the spin dynamics of quarks and gluons. BNL is the site of one of the first and still operating alternating gradient synchrotrons, the AGS, which first operated in 1960. The accelerator controls systems for these instruments span multiple generations of technologies. In this report we will describe the current status of the Collider-Accelerator Department controls systems, which are used to control seven different accelerator facilities and multiple science programs (high energy nuclear physics, high energy polarized proton physics, NASA programs, isotope production, and multiple accelerator research and development projects). We will describe the status of current projects, such as the just completed Electron Beam Ion Source (EBIS), our R&D programs in superconducting RF and an Energy Recovery LINAC (ERL), innovations in feedback systems and bunched beam stochastic cooling at RHIC, and plans for future controls system developments.
Date:
October 10, 2011
Creator:
Brown, K. A.; Altinbas, Z.; Aronson, J.; Binello, S.; Campbell, I.; Costanzo, M. et al.
Object Type:
Article
System:
The UNT Digital Library
2012 Monitoring Research Review: Ground-Based Nuclear Explosion Monitoring Technologies
This Research is about Monitoring Research Review: Ground-Based Nuclear Explosion Monitoring Technologies which presents a preliminary model of the three-dimensional seismic structure of the Iran region.
Date:
September 10, 2012
Creator:
Wetovsky, Marvin A.; Anderson, Dale; Arrowsmith, Stephen J.; Begnaud, Michael L.; Hartse, Hans E.; Maceira, Monica et al.
Object Type:
Article
System:
The UNT Digital Library
Metabolic Design and Control for Production in Prokaryotes
Prokaryotic life on earth is manifested by its diversity and omnipresence. These microbes serve as natural sources of a large variety of compounds with the potential to serve the ever growing, medicinal, chemical and transportation needs of the human population. However, commercially viable production of these compounds can be realized only through significant improvement of the native production capacity of natural isolates. The most favorable way to achieve this goal is through the genetic manipulation of metabolic pathways that direct the production of these molecules. While random mutagenesis and screening have dominated the industrial production of such compounds in the past our increased understanding of microbial physiology over the last five decades has shifted this trend towards rational approaches for metabolic design. Major drivers of this trend include recombinant DNA technology, high throughput characterization of macromolecular cellular components, quantitative modeling for metabolic engine ring, targeted combinatorial engineering and synthetic biology. In this chapter we track the evolution of microbial engineering technologies from the black box era of random mutagenesis to the science and engineering-driven era of metabolic design.
Date:
November 10, 2010
Creator:
Chhabra, Swapnil R. & Keasling, J.D.
Object Type:
Book
System:
The UNT Digital Library
Magnetic frustration effects in uranium intermetallics
The effect of geometrical frustration on the development of the heavy-fermion state and quantum criticality is studied in UAuCu{sub 4}, UAuPt{sub 4}, UAu{sub 3}Ni{sub 2} samples through measurements of their magnetic susceptibility, heat capacity, and electrical resistivity. In addition, since lattice disorder can play a large role in defining magnetic properties in frustrated systems, extended X-ray absorption fine structure (EXAFS) data have also been obtained. The local structure results show a strong correlation with the magnetic properties in these samples.
Date:
June 10, 2010
Creator:
Jiang, Yu; Booth, C. H.; Tobash, P. H.; Gofryk, K.; Torrez, M. A.; Ronning, F. et al.
Object Type:
Article
System:
The UNT Digital Library
Luminosity Determination in pp Collisions at sqrt(s)=7 TeV Using the ATLAS Detector at the LHC
None
Date:
June 10, 2013
Creator:
Aad, Georges
Object Type:
Article
System:
The UNT Digital Library
Sweetwater Reporter (Sweetwater, Tex.), Vol. 113, No. 228, Ed. 1 Wednesday, August 10, 2011
Daily newspaper from Sweetwater, Texas that includes local, state, and national news along with advertising.
Date:
August 10, 2011
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Brownwood Bulletin (Brownwood, Tex.), Vol. 114, No. 203, Ed. 1 Tuesday, June 10, 2014
Weekly newspaper from Brownwood, Texas that includes local, state and national news along with advertising.
Date:
June 10, 2014
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Brownwood Bulletin (Brownwood, Tex.), Vol. 114, No. 152, Ed. 1 Thursday, April 10, 2014
Weekly newspaper from Brownwood, Texas that includes local, state and national news along with advertising.
Date:
April 10, 2014
Creator:
Hanrahan, Thom
Object Type:
Newspaper
System:
The Portal to Texas History
Brownwood Bulletin (Brownwood, Tex.), Vol. 114, No. 178, Ed. 1 Saturday, May 10, 2014
Weekly newspaper from Brownwood, Texas that includes local, state and national news along with advertising.
Date:
May 10, 2014
Creator:
Hanrahan, Thom
Object Type:
Newspaper
System:
The Portal to Texas History
The Light and Champion (Center, Tex.), Vol. 138, No. 90, Ed. 1 Tuesday, November 10, 2015
Semiweekly newspaper from Center, Texas that includes local, state, and national news along with advertising.
Date:
November 10, 2015
Creator:
Snyder, Steve
Object Type:
Newspaper
System:
The Portal to Texas History
The Bastrop Advertiser (Bastrop, Tex.), Vol. 161, No. 28, Ed. 1 Saturday, May 10, 2014
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
May 10, 2014
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History
On The Record, Vol. 4, No. 3, Ed. 1 Friday, August 10, 2012
Summer magazine produced and edited by students at the University of North Texas in Denton, Texas. Articles cover local and campus news, information, and events, along with human interest stories about campus and community life.
Date:
August 10, 2012
Creator:
Bottoni, Paul
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
The Bastrop Advertiser (Bastrop, Tex.), Vol. 161, No. 19, Ed. 1 Thursday, April 10, 2014
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
April 10, 2014
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History
The Cleburne Eagle News (Cleburne, Tex.), Ed. 1 Thursday, May 10, 2012
Weekly newspaper from Cleburne, Texas that includes local, state, and national news along with advertising.
Date:
May 10, 2012
Creator:
Oaks, Judy & Oaks, Kelly
Object Type:
Newspaper
System:
The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 96, No. 105, Ed. 1 Thursday, February 10, 2011
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 10, 2011
Creator:
Harmon, C. L.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Optimist (Abilene, Tex.), Vol. 100, No. 35, Ed. 1 Friday, February 10, 2012
Bi-weekly student newspaper from Abilene Christian University in Abilene, Texas that includes local, state and campus news along with advertising.
Date:
February 10, 2012
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Yoakum Herald-Times (Yoakum, Tex.), Vol. 118, No. 10, Ed. 1 Wednesday, March 10, 2010
Weekly newspaper from Yoakum, Texas that includes local, state, and national news along with advertising.
Date:
March 10, 2010
Creator:
McCracken, Michael S.
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 163, No. 33, Ed. 1 Wednesday, October 10, 2012
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
October 10, 2012
Creator:
Gonzalez, Terrie
Object Type:
Newspaper
System:
The Portal to Texas History
The Ballinger Ledger (Ballinger, Tex.), Vol. 129, No. 40, Ed. 1 Thursday, April 10, 2014
Weekly newspaper from Ballinger, Texas that includes local, state, and national news along with advertising.
Date:
April 10, 2014
Creator:
Cantu-Rodriguez, Ruben
Object Type:
Newspaper
System:
The Portal to Texas History
Copperas Cove Leader-Press (Copperas Cove, Tex.), Vol. 119, No. 29, Ed. 1 Friday, January 10, 2014
Semi-weekly newspaper from Copperas Cove, Texas that includes local, state and national news along with advertising.
Date:
January 10, 2014
Creator:
Morris, David
Object Type:
Newspaper
System:
The Portal to Texas History
The Nocona News (Nocona, Tex.), Vol. 107, No. 49, Ed. 1 Thursday, May 10, 2012
Weekly newspaper from Nocona, Texas that includes local, state, and national news along with advertising.
Date:
May 10, 2012
Creator:
Mesler, Tracy R. & Mesler, Linda L.
Object Type:
Newspaper
System:
The Portal to Texas History