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251 Matching Results
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Preliminary Assessment of Microbiome Changes Following Blood-Feeding and Survivorship in the Amblyomma americanum Nymph-to-Adult Transition using Semiconductor Sequencing
Article on a preliminary assessment of microbiome changes following blood-feeding and survivorship in the Amblyomma americanum nymph-to-adult transition using semiconductor sequencing.
Date:
June 20, 2013
Creator:
Menchaca, Arturo C.; Visi, David K.; Strey, Otto F.; Teel, Pete D.; Kalinowski, Kevin E.; Allen, Michael S. et al.
System:
The UNT Digital Library
Facile, scalable synthesis of edge-halogenated graphene nanoplatelets as efficient metal-free eletrocatalysts for oxygen reduction reaction
Article on facile, scalable synthesis of edge-halogenated graphene nanoplatelets as efficient metal-free electrocatalysts for oxygen reduction reaction.
Date:
February 1, 2013
Creator:
Jeon, In-Yup; Choi, Hyun-Jung; Choi, Min; Seo, Jeong-Min; Jung, Sun-Min; Kim, Min-Jung et al.
System:
The UNT Digital Library
Comments Regarding "Study of Molecular Interactions in Binary Mixtures of Formamide with 2-Methoxyethanol and 2-Ethoxyethanol at Varying Temperatures"
This article provides comments on "Study of Molecular Interactions in Binary Mixtures of Formamide with 2-Methoxyethanol and 2-Ethoxyethanol at Varying Temperatures," published in 'Physics and Chemistry of Liquids,' 2013.
Date:
June 3, 2013
Creator:
Acree, William E. (William Eugene)
System:
The UNT Digital Library
Gamma-ray Mirrors for Direct Measurement of Spent Nuclear Fuel
None
Date:
June 14, 2013
Creator:
Pivovaroff, M. J.; Ziock, K. P.; Fernandez-Perea, M.; Harrison, M. J. & Soufli, R.
System:
The UNT Digital Library
Hyperbolic metamaterials: new physics behind a classical problem
This article summarizes earlier theories in the Clemmow's prescription for transformation of the electromagnetic field in hyperbolic media and provides a review of recent developments in this active research area.
Date:
June 17, 2013
Creator:
Drachev, Vladimir P.; Podolskiy, Viktor A. & Kildishev, Alexander V.
System:
The UNT Digital Library
Hadronic Decays Related to Gamma at BaBar
None
Date:
June 20, 2013
Creator:
Lopez-March, Neus & /Valencia U., IFIC
System:
The UNT Digital Library
GPU-optimized Code for Long-term Simulations of Beam-beam Effects in Colliders
We report on the development of the new code for long-term simulation of beam-beam effects in particle colliders. The underlying physical model relies on a matrix-based arbitrary-order symplectic particle tracking for beam transport and the Bassetti-Erskine approximation for beam-beam interaction. The computations are accelerated through a parallel implementation on a hybrid GPU/CPU platform. With the new code, a previously computationally prohibitive long-term simulations become tractable. We use the new code to model the proposed medium-energy electron-ion collider (MEIC) at Jefferson Lab.
Date:
June 1, 2013
Creator:
Roblin, Yves; Morozov, Vasiliy; Terzic, Balsa; Aturban, Mohamed A.; Ranjan, D. & Zubair, Mohammed
System:
The UNT Digital Library
Development of Ultra High Gradient and High Q{sub 0} Superconducting Radio Frequency Cavities
We report on the recent progress at Jefferson Lab in developing ultra high gradient and high Q{sub 0} superconducting radio frequency (SRF) cavities for future SRF based machines. A new 1300 MHz 9-cell prototype cavity is being fabricated. This cavity has an optimized shape in terms of the ratio of the peak surface field (both magnetic and electric) to the acceleration gradient, hence the name low surface field (LSF) shape. The goal of the effort is to demonstrate an acceleration gradient of 50 MV/m with Q{sub 0} of 10{sup 10} at 2 K in a 9-cell SRF cavity. Fine-grain niobium material is used. Conventional forming, machining and electron beam welding method are used for cavity fabrication. New techniques are adopted to ensure repeatable, accurate and inexpensive fabrication of components and the full assembly. The completed cavity is to be first mechanically polished to a mirror-finish, a newly acquired in-house capability at JLab, followed by the proven ILC-style processing recipe established already at JLab. In parallel, new single-cell cavities made from large-grain niobium material are made to further advance the cavity treatment and processing procedures, aiming for the demonstration of an acceleration gradient of 50 MV/m with Q{sub 0} of 2�10{sup …
Date:
June 1, 2013
Creator:
Geng, Rongli; Clemens, William A.; Follkie, James E.; Harris, Teena M.; Kushnick, Peter W.; Machie, Danny et al.
System:
The UNT Digital Library
Searches for Light Higgs/Axions at BaBar
None
Date:
June 17, 2013
Creator:
Gaz, Alessandro
System:
The UNT Digital Library
Improvements to Existing Jefferson Lab Wire Scanners
This poster will detail the augmentation of selected existing CEBAF wire scanners with commercially available hardware, PMTs, and self created software in order to improve the scanners both in function and utility.
Date:
June 1, 2013
Creator:
McCaughan, Michael D.; Tiefenback, Michael G. & Turner, Dennis L.
System:
The UNT Digital Library
The Scheme of Beam Synchronization in MEIC
Synchronizing colliding beams at single or multiple collision points is a critical R&D issue in the design of a medium energy electron-ion collider (MEIC) at Jefferson Lab. The path-length variation due to changes in the ion energy, which varies over 20 to 100 GeV, could be more than several times the bunch spacing. The scheme adopted in the present MEIC baseline is centered on varying the number of bunches (i.e., harmonic number) stored in the collider ring. This could provide a set of discrete energies for proton or ions such that the beam synchronization condition is satisfied. To cover the ion energy between these synchronized values, we further propose to vary simultaneously the electron ring circumference and the frequency of the RF systems in both collider rings. We also present in this paper the requirement of frequency tunability of SRF cavities to support the scheme.
Date:
June 1, 2013
Creator:
Zhang, Yuhong; Derbenev, Yaroslav S. & Hutton, Andrew M.
System:
The UNT Digital Library
Forward Instrumentation for ILC Detectors
None
Date:
June 17, 2013
Creator:
Abramowicz, H.; Abusleme, A.; Afanaciev, K.; Aguilar, J.; Ambalathankandy, P.; Bambade, P. et al.
System:
The UNT Digital Library
New Results in Radiative Electroweak Penguin Decays at BaBar
None
Date:
June 4, 2013
Creator:
Flood, Kevin & /Caltech
System:
The UNT Digital Library
Search for Acoustic Signals from Ultra-High Energy Neutrinos in 1500 Km^3 of Sea Water
None
Date:
June 18, 2013
Creator:
Kurahashi, Naoko; /Stanford U., Phys. Dept.; Vandenbroucke, Justin; /KIPAC, Menlo Park /SLAC; Gratta, Giorgio & /Stanford U., Phys. Dept.
System:
The UNT Digital Library
Scale-Invariance and the Strong Coupling Problem
None
Date:
June 6, 2013
Creator:
Baumann, Daniel; /Princeton, Inst. Advanced Study; Senatore, Leonardo; /Stanford U., ITP /KIPAC, Menlo Park; Zaldarriaga, Matias & /Princeton, Inst. Advanced Study
System:
The UNT Digital Library
Measurement of Time-Dependent CP Asymmetry in the Decay of a Neutral B Meson to a J/Psi and a Long-Lived Neutral Kaon at BaBar
None
Date:
June 10, 2013
Creator:
Martin, Emilie Claire Mutsumi & /UC, Irvine
System:
The UNT Digital Library
Limits on the Production of the Standard Model Higgs Boson in $Pp$ Collisions at $\sqrt{s}=7$ TeV with the ATLAS Detector
None
Date:
June 3, 2013
Creator:
Aad, Georges
System:
The UNT Digital Library
New Measurement of the K+- \to Pi+-Mu+Mu- Decay
None
Date:
June 12, 2013
Creator:
Batley, J. R.; Kalmus, G.; Lazzeroni, C.; Munday, D. J.; Slater, M. W.; Wotton, S. A. et al.
System:
The UNT Digital Library
A Baseline Design for PEP-X: An Ultra-Low Emittance Storage Ring
None
Date:
June 18, 2013
Creator:
Cai, Yunhai; Bane, Karl; Bertsche, Kirk; Chao, Alex; Hettel, Robert; Huang, Xiaobiao et al.
System:
The UNT Digital Library
Constraining Dark Matter in Galactic Substructure
In this paper we discuss detection prospects by combining two different aspects of the gamma-ray signal: the angular distribution and the photon counts probability distribution function (PDF).
Date:
June 21, 2013
Creator:
Baxter, Eric J.; Dodelson, Scott; Koushiappas, Savvas M. & Strigari, Louis E.
System:
The UNT Digital Library
Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at sqrt(S(NN))= 2.76 TeV with the ATLAS Detector at the LHC
None
Date:
June 12, 2013
Creator:
Aad, Georges
System:
The UNT Digital Library
DUAL Gamma-Ray Mission
None
Date:
June 21, 2013
Creator:
Boggs, S.; Wunderer, C.; von Ballmoos, P.; Takahashi, T.; Gehrels, N.; Tueller, J. et al.
System:
The UNT Digital Library
Results on CP Violation and CKM UT Angles from Belle And BaBar
None
Date:
June 14, 2013
Creator:
Mohanty, Gagan B. & Inst., /Tata
System:
The UNT Digital Library
Utilizing interfaces: One-step forward for rational design of heterogeneous catalysts
As far as heterogeneous catalysts are a composite material, physicochemical properties of the interfaces between individual components should be extensively studied for rational design of catalysts with desired properties. Here, I will present recent computational achievements in following three heterogeneous catalysts where the interface between composing materials plays a critical role
Date:
June 20, 2013
Creator:
Y., Kim H.
System:
The UNT Digital Library