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Final Scientific Report
Viscosities of water, nitrogen and carbon dioxide have been measured at elevated pressures and temperatures in the diamond-anvil cell. A strong correlation between viscosity and entropy has been confirmed.
Date:
June 26, 2009
Creator:
Abramson, Evan
Object Type:
Report
System:
The UNT Digital Library
Insulated Pressure Vessels for Vehicular Hydrogen Storage: Analysis and Performance Evaluation
Insulated pressure vessels are cryogenic-capable pressure vessels that can be fueled with liquid hydrogen (LH{sub 2}) or ambient-temperature compressed hydrogen (CH{sub 2}). Insulated pressure vessels offer the advantages of liquid hydrogen tanks (low weight and volume), with reduced disadvantages (fuel flexibility, lower energy requirement for hydrogen liquefaction and reduced evaporative losses). The work described here is directed at verifying that commercially available pressure vessels can be safely used to store liquid hydrogen. The use of commercially available pressure vessels significantly reduces the cost and complexity of the insulated pressure vessel development effort. This paper describes a series of tests that have been done with aluminum-lined, fiber-wrapped vessels to evaluate the damage caused by low temperature operation. All analysis and experiments to date indicate that no significant damage has resulted. Required future tests are described that will prove that no technical barriers exist to the safe use of aluminum-fiber vessels at cryogenic temperatures. Future activities also include a demonstration project in which the insulated pressure vessels will be installed and tested on two vehicles. A draft standard will also be generated for obtaining certification for insulated pressure vessels.
Date:
June 26, 2001
Creator:
Aceves, S. M.; Martinez-Frias, J.; Garcia-Villazana, O. & Espinosa-Loza, F.
Object Type:
Article
System:
The UNT Digital Library
Indulging in the Pleasures of God
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Does the Bible really teach that Christianity is self-denying? Experiencing Christianity as restrictive can drain our souls and weaken spiritual life. There is a better way. Why not indulge in the pleasures of God and enjoy Him forever?"
Date:
June 26, 2004
Creator:
Adcox, Jimmy
Object Type:
Sound
System:
The Portal to Texas History
GUT implications from neutrino mass
An overview is given of the experimental neutrino mixing results and types of neutrino models proposed, with special attention to the general features of various GUT models involving intra-family symmetries and horizontal flavor symmetries. Many of the features are then illustrated by a specific SO (10) SUSY GUT model formulated by S.M. Barr and the author which can explain all four types of solar neutrino mixing solutions by various choices of the right-handed Majorana mass matrix. The quantitative nature of the model's large mixing angle solution is used to compare the reaches of a neutrino super beam and a neutrino factory for determining the small U{sub e3} mixing matrix element.
Date:
June 26, 2001
Creator:
Albright, Carl H.
Object Type:
Article
System:
The UNT Digital Library
The Redemptive Challenge in Isaiah's Charge
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Isaiah's charge in Isaiah 6 concerns preaching (until no one can bear to hear another thing, until no one will hear another thing, until there is no hope, until the hearts of the people are so hard they will never turn). However, with the heart of a lover, God sent Isaiah because 'if they did hear,' they 'might' turn. And if they turned, He 'would forgive.'"
Date:
June 26, 2004
Creator:
Alexander, Karen
Object Type:
Sound
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 26, No. 26, Ed. 1 Thursday, June 26, 2008
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
June 26, 2008
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Cruciform Life: Do Spirituality and Discipleship Go Together?
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "With the release of a new, expanded edition of 'The Cruciform Church: Becoming a Cross-Shaped People in a Secular World' (1990, 2004), the author examines challenges of being a cross-shaped people today. Do churches truly receive the sinful and broken with the love of Jesus? Can the practice of baptism be strengthened and renewed? Does today's interest in 'spirituality' lead to the formation of disciples?"
Date:
June 26, 2004
Creator:
Allen, Leonard
Object Type:
Sound
System:
The Portal to Texas History
Cruciform Liturgy: Is Baptism Making a Comeback?
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "With the release of a new, expanded edition of 'The Cruciform Church: Becoming a Cross-Shaped People in a Secular World' (1990, 2004), the author examines challenges of being a cross-shaped people today. Do churches truly receive the sinful and broken with the love of Jesus? Can the practice of baptism be strengthened and renewed? Does today's' interest in 'spirituality' lead to the formation of disciples?"
Date:
June 26, 2004
Creator:
Allen, Leonard
Object Type:
Sound
System:
The Portal to Texas History
Cruciform Love: Can Churches Receive Sinners?
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "With the release of a new, expanded edition of 'The Cruciform Church: Becoming a Cross-Shaped People in a Secular World' (1990, 2004), the author examines challenges of being a cross-shaped people today. Do churches truly receive the sinful and broken with the love of Jesus? Can the practice of baptism be strengthened and renewed? Does today's interest in 'spirituality' lead to the formation of disciples?"
Date:
June 26, 2004
Creator:
Allen, Leonard
Object Type:
Sound
System:
The Portal to Texas History
Going Back to Get Ahead
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Hopelessness haunts the globe and many corners of the church. Class examines our current setting and strategies for being agents of hope by telling the story effectively and authentically 'being the church.'"
Date:
June 26, 2004
Creator:
Anderson, Lynn
Object Type:
Sound
System:
The Portal to Texas History
How We Got Here
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Hopelessness haunts the globe and many corners of the church. Class examines our current setting and strategies for being agents of hope by telling the story effectively and authentically 'being the church.'"
Date:
June 26, 2004
Creator:
Anderson, Lynn
Object Type:
Sound
System:
The Portal to Texas History
Tell Me a Story
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Hopelessness haunts the globe and many corners of the church. Class examines our current setting and strategies for being agents of hope by telling the story effectively and authentically 'being the church.'"
Date:
June 26, 2004
Creator:
Anderson, Lynn
Object Type:
Sound
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 107, No. 72, Ed. 1 Sunday, June 26, 2005
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 26, 2005
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Final Technical Report for DE-FG02-97ER41038 Partial-wave Analyses of Scattering Reactions below 3 GeV, May 31, 1997 - May 31, 1999
None
Date:
June 26, 2000
Creator:
Arndt, Richard A. & Workman, R.L.
Object Type:
Report
System:
The UNT Digital Library
In Search of Shalom
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Isaiah's vision is full of images and metaphors depicting God's shalom. Today's church would do well to recapture this vision and see that one of its principal missions is to become a place where people can experience shalom in the here-and-now as well as in the hereafter."
Date:
June 26, 2004
Creator:
Ashlock, Rodney
Object Type:
Sound
System:
The Portal to Texas History
Shalom Found
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Isaiah's vision is full of images and metaphors depicting God's shalom. Today's church would do well to recapture this vision and see that one of its principal missions is to become a place where people can experience shalom in the here-and-now as well as in the hereafter."
Date:
June 26, 2004
Creator:
Ashlock, Rodney
Object Type:
Sound
System:
The Portal to Texas History
Shalom Like a River
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Isaiah's vision is full of images and metaphors depicting God's shalom. Today's church would do well to recapture this vision and see that one of its principal missions is to become a place where people can experience shalom in the here-and-now as well as in the hereafter."
Date:
June 26, 2004
Creator:
Ashlock, Rodney
Object Type:
Sound
System:
The Portal to Texas History
A Search for B+ to tau+ nu
The authors present a search for the decay B{sup +} {yields} {tau}{sup +}{nu} using 383 x 10{sup 6} B{bar B} pairs collected at the {Upsilon}(4S) resonance with the BABAR detector at the SLAC PEP-II B-Factory. A sample of events with one reconstructed semileptonic B decay (B{sup -} {yields} D{sup 0}{ell}{sup -}{bar {nu}}{sub {ell}}X) is selected, and in the recoil a search for B{sup +} {yields} {tau}{sup +}{nu} is performed. The {tau} is identified in the following channels: {tau}{sup +} {yields} e{sup +}{nu}{bar {nu}}, {tau}{sup +} {yields} {mu}{sup +}{nu}{bar {nu}}, {tau}{sup +} {yields} {pi}{sup +} {bar {nu}} and {tau}{sup +} {yields} {pi}{sup +}{pi}{sup 0}{bar {nu}}. They measure a branching fraction of {Beta}(B{sup +} {yields} {tau}{sup +}{nu}) = (0.9 {+-} 0.6(stat.) {+-} 0.1(syst.)) x 10{sup -4}. In the absence of a significant signal, we calculate an upper limit at the 90% confidence level of {Beta}(B{sup +} {yields} {tau}{sup +}{nu}) < 1.7 x 10{sup -4}. They calculate the product of the B meson decay constant f{sub B} and |V{sub ub}| to be f{sub B} {center_dot} |V{sub ub}| = (7.2{sub -2.8}{sup +2.0}(stat.) {+-} 0.2(syst.)) x 10{sup -4} GeV.
Date:
June 26, 2007
Creator:
Aubert, B.
Object Type:
Article
System:
The UNT Digital Library
Observation of e^+e^- to \rho^+\rho^- near \sqrt{s}=10.58\gev
The authors report the first observation of e{sup +}e{sup -} {yields} {rho}{sup +}{rho}{sup -}, in a data sample of 379 fb{sup -1} collected with the BABAR detector at the PEP-II e{sup +}e{sup -} storage ring at center-of-mass energies near {radical}s = 10.58 GeV. The authors measure a cross section of {sigma}(e{sup +}e{sup -} {yields} {rho}{sup +}{rho}{sup -}) = 19.5 {+-} 1.6(stat) {+-} 3.2(syst) fb. Assuming production through single-photon annihilation, there are three independent helicity amplitudes. They measure the ratios of their squared moduli to be |F{sub 00}|{sup 2} : |F{sub 10}|{sup 2} : |F{sub 11}|{sup 2} = 0.51 {+-} 0.14(stat) {+-} 0.07(syst) : 0.10 {+-} 0.04(stat) {+-} 0.01(syst) : 0.04 {+-} 0.03(stat) {+-} 0.01(syst). The |F{sub 00}|{sup 2} result is inconsistent with the prediction of 1.0 made by QCD models with a significance of 3.1 standard deviations including systematic uncertainties.
Date:
June 26, 2008
Creator:
Aubert, B.; Bona, M.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prencipe, E. et al.
Object Type:
Article
System:
The UNT Digital Library
Next Generation of Latin-American Church Leaders
Lecture given Saturday, June 26, 2004 at Abilene Christian University: "God has prepared a vast spiritual harvest among the growing Hispanic population in the U. S. Explore the challenges of training able workers for this field."
Date:
June 26, 2004
Creator:
Austin, Stephen
Object Type:
Sound
System:
The Portal to Texas History
END FIELD EFFECTS IN BEND ONLY COOLING LATTICES.
Cooling lattices consisting only of bends (using either rotated pole faces or gradient dipoles to achieve focusing) often require large apertures and short magnets. One expects the effect of end fields to be significant in this case. In this paper we explore the effect of adding end fields to a working lattice design that originally lacked them. The paper describes the process of correcting the lattice design for the added end fields so as to maintain desirable lattice characteristics. It then compares the properties of the lattice with end fields relative to the lattice without them.
Date:
June 26, 2003
Creator:
BEERG,J. S. KIRK,H. GARREN,A.
Object Type:
Article
System:
The UNT Digital Library
DESIGN OF FFAGS BASED ON A FODO LATTICE.
An FFAG is a lattice with fixed magnetic fields that has an extremely wide energy acceptance. One particularly simple type of FFAG is based on a FODO lattice, where both quads can be combined-function bending/quadrupole magnets. The spaces between the combined-function magnets are left open for RF cavities and other hardware. This paper describes a general method for creating lattice designs for this type of lattice which gives the lattice optimal properties for an FFAG accelerator. The properties of this lattice as a function of input parameters are explored. The use of sextupoles to improve lattice properties is also explored.
Date:
June 26, 2003
Creator:
BERG,J. S. JOHNSTONE,C.
Object Type:
Article
System:
The UNT Digital Library
FFAGS FOR MUON ACCELERATION.
Due to their finite lifetime, muons must be accelerated very rapidly. It is challenging to make the magnets ramp fast enough to accelerate in a synchrotron, and accelerating in a linac is very expensive. One can use a recirculating accelerator (like CEBAF), but one needs a different arc for each turn, and this limits the number of turns one can use to accelerate, and therefore requires significant amounts of RF to achieve the desired energy gain. An alternative method for muon acceleration is using a fixed field alternating gradient (FFAG) accelerator. Such an accelerator has a very large energy acceptance (a factor of two or three), allowing one to use the same arc with a magnetic field that is constant over time. Thus, one can in principle make as many turns as one can tolerate due to muon decay, therefore reducing the RF cost without increasing the arc cost. This paper reviews the current status of research into the design of FFAGs for muon acceleration. Several current designs are described and compared. General design considerations are also discussed.
Date:
June 26, 2003
Creator:
BERG,J. S. KAHN,S. PALMER,R. TRBOJEVIC,D. JOHNSTONE,C. KEIL,Y. OGITSU,T. OHMORI,C. SESSLER,A. KOSCIELNIAK,S.
Object Type:
Article
System:
The UNT Digital Library
LINEAR DESIGN OF COMBINED FUNCTION IONIZATION COOLING LATTICES.
Ionization cooling lattices simultaneously require small beta-functions at the absorber and large energy acceptances to be effective. Simultaneously achieving these goals as well as having a good dynamic aperture requires that the lattice be relatively compact. If one wishes to avoid solenoids, one choice for creating such a lattice is to use combined-function magnets. These magnets can simultaneously focus in both planes, allowing one to achieve a low beta in both planes with a minimum number of magnets. In this paper we explore the design of lattices which contain only combined-function bending magnets using a thin-lens approximation, showing how to optimally achieve the requirements for muon cooling.
Date:
June 26, 2003
Creator:
BERG,J. S. KIRK,H. GARREN,A.
Object Type:
Article
System:
The UNT Digital Library