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Journals

Electrospray Tandem Quadrupole Fragmentation of Quinolone Drugs and Related Ions. On the Reversibility of Water Loss from Protonated Molecules

November 30, 2010

Author(s)

Pedatsur Neta, Bhaskar Godugu, Yuxue Liang, Yamil Simon, Xiaoyu Yang, Stephen E. Stein

Selected reaction monitoring (SRM) of quinolone drugs showed1 different sensitivities in aqueous solution vs. biological extract. The authors suggested...

Bochner Subordination, Logarithmic Diffusion Equations, and Blind Deconvolution of Hubble Space Telescope Imagery and Other Scientific Data

November 30, 2010

Author(s)

Alfred S. Carasso

Generalized Linnik processes and associated logarithmic diffusion equations can be constructed by appropriate Bochner randomization of the time variable in...

Effect of wind and buoyancy on hydrogen release and dispersion in a compartment with vents at multiple levels

November 30, 2010

Author(s)

Kuldeep R. Prasad, William M. Pitts, Jiann C. Yang

The natural and forced mixing and dispersion of hydrogen released in an accidental manner in a partially enclosed compartment with vents at multiple heights is...

Ultrasonic Dispersion of Nanoparticles for Environmental, Health and Safety Assessment--Issues and Recommendations

November 30, 2010

Author(s)

Julian S. Taurozzi, Vincent A. Hackley, Mark R. Wiesner

A common approach for the study of the environmental and biological interactions of nanomaterials relies on the ultrasonic disruption of powders to obtain...

Time-division SQUID multiplexers with reduced sensitivity to external magnetic fields

November 29, 2010

Author(s)

Greg Stiehl, Hsiao-Mei Cho, Gene C. Hilton, Kent D. Irwin, John A. Mates, Carl D. Reintsema, Barry L. Zink

We have developed time-division SQUID multiplexers to read out large arrays of transition-edge sensor (TES) detectors. These multiplexers are used in many...

Ventilation Rates and Health: Multidisciplinary Review of the Scientific Literature

November 25, 2010

Author(s)

Andrew K. Persily, Jan Sundell, Hal Levin

The scientific literature through 2005 on the effects of ventilation rates on health in non-industrial indoor environments (offices, schools, homes, etc.) has...

Laplace Random Effects Models for Interlaboratory Studies

November 25, 2010

Author(s)

Andrew L. Rukhin, Antonio M. Possolo

A model is introduced for measurements obtained in collaborative interlaboratory studies, comprising measurement errors and random laboratory effects that have...

Observation of the red-blue detuning asymmetry in matter-wave superradiance

November 23, 2010

Author(s)

Lu Deng, Edward W. Hagley, Qiang Cao, Xiaorui Wang, Xinyu Luo, Ruquan Wang, Fan Yang, Xiaoji Zhou, Xuzong Chen, M. G. Payne, Mingsheng Zhan

We show the first experimental observations of matter-wave superradiance using blue-detuned light, and demonstrate a pump-laser detuning asymmetry in the...

Al-Mn transition edge sensors for cosmic microwave background polarimeters

November 22, 2010

Author(s)

Daniel R. Schmidt, Hsiao-Mei Cho, Johannes Hubmayr, Peter J. Lowell, Michael D. Niemack, Galen C. O'Neil, Joel N. Ullom, Ki W. Yoon, Kent D. Irwin

Superconducting transition edge sensors (TES) require superconducting films with transition temperatures (Tc)and properties that can be tailored to the...

Neutron Scattering Study of a Quasi-2D Spin-1/2 Dimer System Piperazinium Hexachlorodicuprate Under Hydrostatic Pressure

November 22, 2010

Author(s)

Tao Hong, Chris Stock, I. Cabrera, Collin L. Broholm, Yiming Qiu, Juscelino Leao, Sarah Poulton, John R. Copley

We report inelastic neutron scattering study of a quasi-two-dimensional S=1/2 dimer system Piperazinium Hexachlorodicuprate under hydrostatic pressure. The spin...

Al-Mn Transition Edge Sensors for Cosmic Microwave Background Polarimeters

November 22, 2010

Author(s)

Daniel R. Schmidt, Hsiao-Mei Cho, Johannes Hubmayr, Peter J. Lowell, Michael D. Niemack, Galen C. O'Neil, Joel N. Ullom, Ki W. Yoon, Kent D. Irwin, W L. Holzapfel, M Lueker, E M. George, E Shirokoff

Superconducting transition edge sensors (TES) require superconducting films with transition temperatures (Tc)and properties that can be tailored to the...

Microstructure and hydrogen bonding in water-acetonitrile mixtures

November 19, 2010

Author(s)

Raymond D. Mountain

The connection between hydrogen bonding between water and acetonitrile in determining the microheterogeneity of the liquid mixture is examined using NPT...

Novel Reduced Pressure-Balance Syringe for Chromatographic Analysis

November 19, 2010

Author(s)

Bret Windom, Thomas J. Bruno

When withdrawing a fluid sample from an apparatus at reduced pressures for additional chromatographic analyses, a gas tight plunger syringe proves ineffective...

Low temperature transport properties and heat capacity of single-crystal Na8Si46

November 17, 2010

Author(s)

Stevce Stefanoski, Joshua B. Martin, George S. Nolas

The low temperature thermal conductivity, resistivity, and Seebeck coefficient of single-crystal Na8Si46 are investigated revealing the intrinsic low...

Level Crossings and Zero-Field Splitting in the Cr₈}-Cubane Spin-cluster by Inelastic Neutron Scattering and Magnetization Studies

November 17, 2010

Author(s)

David Vaknin, V. O. Garlea, F. Demmel, E. Mamontov, H. Nojiri, C. Martin, I. Chiorescu, Yiming Qiu, P. Kogerler, J. Fielden, L. Engelhardt, M. Luban, M. Luban

Millikelvin inelastic neutron scattering in variable magnetic field and high-field magnetization measurements were performed to gain insight into the low-energy...

Lateral Uniformity in Chemical Composition along a Buried Reaction Front in Polymers

November 15, 2010

Author(s)

Kristopher Lavery, Vivek Prabhu, Sushil K. Satija, Wen-Li Wu

Off-specular neutron reflectometry was applied to characterize the form and amplitude of lateral compositional variations at a buried reaction-diffusion front...

Single Crystal Study of Competing Rhombohedral and Monoclinic Order in Lead Zirconate Titanate

November 12, 2010

Author(s)

Daniel P. Phelan, X. Long, Y. Xie, Z.-G. Ye, A. M. Glazer, H. Yokota, P. A. Thomas, Peter M. Gehring

Neutron diffraction measurements were performed on single crystals of PbZr 1¿xTi xO 3 (PZT)with x=0.325 and x=0.460. The data refute the thesis that the...

Decoherence due to elastic Rayleigh scattering

November 12, 2010

Author(s)

Hermann Uys, Michael J. Biercuk, Aaron Vandevender, Christian Ospelkaus, Dominic Meiser, R. Ozeri, John Bollinger

We present theoretical and experimental studies of the decoherence of hyperfine ground-state superpositions due to elastic Rayleigh scattering of off-resonant...

Collective atomic recoil motion in short-pulse matter-wave superradiance

November 11, 2010

Author(s)

Lu Deng, Edward W. Hagley

We show that a Bragg resonance is substantially incapacitated in short-pulse, matter-wave superradiant scatterings and both positive- and negative-order...

On the Relation Between the Nonlinear Surface Impedance and the Superfluid Current Density in High-Temperature Superconductors

November 11, 2010

Author(s)

Eduard Rocas, Juan C. Collado Gomez, James C. Booth, Alberto Padilla

The nonlinear surface impedance is related, by use of the surface impedance definition as the ratio between the electric field and magnetic field at the HTS...

Effect of resist on the transfer of line-edge roughness spatial metrics from mask to wafer

November 11, 2010

Author(s)

Patrick P. Naulleau, Gregg M. Gallatin

Mask contributors to line-edge roughness (LER) have recently been shown to be an issue of concern for both the accuracy of current resist evaluation tests as...

Roughness induced magnetic inhomogeneity in Co/Ni multilayers: Ferromagnetic resonance and switching properties in nanostructures.

November 10, 2010

Author(s)

Justin M. Shaw, Hans T. Nembach, Thomas J. Silva

We report on the effect roughness has on the magnetic properties of Co/Ni multilayers with perpendicular anisotropy. We can systematically vary the surface...

A Dual Scale Two-Photon Technique for Measuring Polarization Mode Dispersion With Attosecond Resolution

November 10, 2010

Author(s)

Alan L. Migdall, A Muller, G Jaeger, A V. Sergienko

We describe a highly stable dual scale technique for measuring polarization mode dispersion (PMD) using entangled two-photon states produced via Type-II...

A Microwave Study of Hydrogen-Transfer-Triggered Methyl-Group Rotation in 5-Methyltropolone

November 10, 2010

Author(s)

Vadim V. Ilyushin, Emily A. Cloessner, Yung-Ching Chou, Laura B. Picraux, Jon T. Hougen, Richard Lavrich

We present here the first experimental and theoretical study of the microwave spectrum of 5-methyltropolone, which can be visualized as a 7-membered aromatic...

Multitone Waveform Synthesis with a Quantum Voltage Noise Source

November 9, 2010

Author(s)

Samuel P. Benz, Paul D. Dresselhaus, Charles J. Burroughs

We have developed a quantum voltage noise source (QVNS) based on pulse-driven Josephson arrays and optimized its waveform synthesis for use with Johnson noise...

Electron ionization and gas-phase ion molecule reactions of methylcyclohexane

November 9, 2010

Author(s)

C. Q. Jiao, Karl Irikura, S, F. Adams, A Garscadden

Absolute cross sections for electron impact ionization of methylcyclohexane (MCH, C 7H 14) are measured as a function of the electron energy in a range of 10 to...

Consistency of atomic data for the interpretation of beam emission spectra

November 8, 2010

Author(s)

E. Delabie, M. Brix, R. J. Jasper, C. Giroud, O. Marchuk, M. G. O'Mullane, Yuri Ralchenko, E Surrey, M. G. von Hellermann, K. Zastrow, JET-EFDA Contributors

Several collisional-radiative (CR) models \citeanderson,hutchinson,marchuk:htpd} have been developed to calculate the attenuation and the population of excited...

Effect of metal/substrate interfaces on radio-frequency loss in superconducting coplanar waveguides

November 8, 2010

Author(s)

David S. Wisbey, Jiansong Gao, Fabio C. da Silva, Jeffrey S. Kline, Michael Vissers, David P. Pappas, Leila R. Vale

Microscopic two-level systems (TLSs) are known to contribute to loss in resonant superconducting microwave circuits. This loss increases at low power and...

Neutron scattering and scaling behavior in URu₂Zn₂₀ and YbFe₂Zn₂₀

November 5, 2010

Author(s)

C.H. Wang, A. D. Christianson, J .M. Lawrence, E.D. Bauer, E. A. Goremychkin, A. I. Kolesnikov, Frans Trouw, F. Ronning, J. D. Thompson, M. D. Lumsden, E.D. Mun, S. Jia, P. C. Canfield, Yiming Qiu, John R. Copley

Randomized Benchmarking of Atomic Qubits in an Optical Lattice

November 4, 2010

Author(s)

Steven M. Olmschenk, Radu S. Chicireanu, Karl D. Nelson, James V. Porto

We perform randomized benchmarking on neutral atomic quantum bits (qubits) confined in an optical lattice. Single qubit gates are implemented using microwaves...

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