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Journals

Quantum Dynamics Simulation of the Ultrafast Photoionization of Li₂

January 1, 2001

Author(s)

J Pesce, Z Amitay, R Uberna, S R. Leone, M Ratner, R Kosloff

The Li 2 species offers an ideal system to compare experimental pump/probe ultrafast photoionization with quantum dynamical calculations on well characterized...

Microcalorimeter/EBIT Measurements of X-Ray Spectra of Highly Charged Ions

January 1, 2001

Author(s)

I Kink, J M. Laming, E Takacs, James V. Porto, John D. Gillaspy, E Silver, H. Schnopper, Simon R. Bandler, M Barbera, N Brickhouse, S Murray, D Landis, J. Beeman, E. E. Haller

Spectra of highly charged Ar, Kr, Xe and Fe ions, produced in an Electron Beam Ion Trap (EBIT), have been recorded in a broad x-ray energy band (0.2 keV to 10...

Absolute Frequency Measurement of the Iodine-Stabilized He-Ne Laser at 633 nm

January 1, 2001

Author(s)

T H. Yoon, J Ye, John L. Hall, J M. Chartier

The absolute frequency of an iodine-stabilized He-Ne laser at 633 nm stabilized on the I (or a 13) component of the 11-5 R(127) hyperfine transition of the 127I...

Synchronization and Phase Lock of Two Mode-Locked Femtosecond Lasers

January 1, 2001

Author(s)

R K. Shelton, L -. Ma, H C. Kapteyn, M M. Murnane, J L. Hall, Jun Ye

Two independent mode-locked femtosecond lasers are synchronized to an unprecedented precision. The rms timing jitter between the lasers is 4.3 fs observed...

A Suspended Fabry-Perot Interferometer for Determining the Newtonian Constant of Gravitation

January 1, 2001

Author(s)

Harold V. Parks, D S. Robertson, A M. Pattee, J E. Faller

Of all the fundamental constants of nature, the Newtonian constant of gravitation, G, has been one of the most difficult to measure. The current CODATA value of...

Cold Atomic Collisions Studied by Molecular Spectroscopy

January 1, 2001

Author(s)

C Samuelis, Eite Tiesinga, T Laue, M Elbs, H Knockel, E Tiemann

We observe bound states just below the dissociation limit and shape and Feshback resonances between the ground state hyperfine asymtotes by Raman spectroscopy...

Separation of Inner Shell Vacancy Transfer Mechanisms in Collisions of Slow Ar¹⁷⁺ Ions with SiO₂

January 1, 2001

Author(s)

E Takacs, Z Ber nyi, John D. Gillaspy, L P. Ratliff, Ronaldo Minniti, J Pedulla, R Deslattes, N Stolterfoht

We have studied the spectrum of x-rays emitted when hydrogen-like argon ions impact silicon dioxide surfaces. Specifically, we were interested in the mechanism...

Bias in the Introduction of Variation as an Orienting Factor in Evolution

January 1, 2001

Author(s)

L Y. Yampolsky, Arlin Stoltzfus

According to New Synthesis doctrine, the direction of evolution is determined by selection and not by internal causes that act by way of propensities of...

'Supercritical Water' Density Effects on the Rate of Isopropanol Dehydration

January 1, 2001

Author(s)

V I. Anikeev, Jeffrey A. Manion, A Ermakova

A new experimental procedure for studying the kinetics and thermodynamics of chemical reactions in supercritical fluids-solvents was suggested. The kinetics and...

Kinetics of Reactions of H Atoms With Methane and Chlorinated Methanes

January 1, 2001

Author(s)

M G. Bryukov, I R. Slagle, Vadim D. Knyazev

The reactions of H atoms with methane, four chlorinated methanes, and isobutene have been studied experimentally using the Discharge Flow / Resonance...

Conformation and Dynamics of Abasic Sites in DNA Investigated by Time-Resolved Fluorescence of 2-Aminopurine

January 1, 2001

Author(s)

E L. Rachofsky, E Seibert, J T. Stivers, R Osman, J B. Ross

asic sites are highly mutagenic lesions in DNA that arise as intermediates in the excision repair of modified bases. These sites are generated by the action of...

Ultrastable Laser Array at 633 nm for Real-Time Dimensional Metrology

January 1, 2001

Author(s)

Y Lecoq, J Pedulla, John Lawall

We describe a laser system for very high-accuracy dimensional metrology. A sealed-cavity helium-neon laser is offset-locked to an iodine-stabilized laser in...

Application of Ion-Impact Energy Measurement to Electrospray Ionization Mass Spectrometry of Proteins and Protein Mixtures

January 1, 2001

Author(s)

B. Neuhauser, Gene C. Hilton, John M. Martinis

We have used normal metal-insulator-superconductor (NIS) microcalorimeter to measure the impact energy of protein ions produced by electrospray ionization (ESI)...

Magnetic Combinatorial Thin-Film Libraries

January 1, 2001

Author(s)

Stephen E. Russek, William E. Bailey, G A. Alers

Magnetic combinatorial libraries have been fabricated to investigate complex magnetic thin-film systems and to provide test systems to develop on-wafer...

Developmental validation of the VersaPlex™ 27PY system

January 1, 2001

Author(s)

Kristy Lenz, Dawn Rabbach, Chao Liu, Quyi Xu, Ying Zeng, Becky Steffen, Douglas Storts

The VersaPlex™ 27PY System is an STR multiplex from Promega offering co-amplification of 27 loci. This six-dye multiplex was designed for casework samples and...

Experimental Demonstration of Entanglement-Enhanced Rotation Angle Estimation Using Trapped Ions

January 1, 2001

Author(s)

V Meyer, M A. Rowe, D Kielpinski, C A. Sackett, Wayne M. Itano, C Monroe, David J. Wineland

We experimentally investigate three methods, utilizing different atomic observables and entangled states, to increase the sensitivity of rotation angle...

Experimental Violation of Bell's Inequalities with Efficient Detection

January 1, 2001

Author(s)

M A. Rowe, D Kielpinski, V Meyer, C A. Sackett, Wayne M. Itano, C Monroe, David J. Wineland

Local realism is the idea that objects have definite properties whether or not they are measured, and that measurements of these properties are not affected by...

Artificial Neural Network Modeling for Improved Coaxial Line - Reflect Match Calibrations

January 1, 2001

Author(s)

Jeffrey Jargon, Kuldip Gupta

Users' Guide for Hand-Held and Walk-Through Metal Detectors

January 1, 2001

Author(s)

A G. Lieberman, Kathleen M. Higgins, Nicholas Paulter

The guide provides the law enforcement and corrections (LEC) community with information concerning the theory and limits of operation of hand-held and walk...

Comparitive Analysis of an Automotive Air Conditioning Systems Operating with CO₂ and R134a

January 1, 2001

Author(s)

J S. Brown, S F. Yana Motta, Piotr A. Domanski

This paper evaluates performance merits of CO 2 and R134a automotive air conditioning systems using semi-theoretical cycle models. The R134a system had a...

Elastic Moduli of Model Random Three-Dimensional Closed-Cell Cellular Solids

January 1, 2001

Author(s)

A P. Roberts, Edward Garboczi

Most cellular solids are random materials, while practically all theoretical results are for periodic models. To be able to generate theoretical results for...

STRBase: A Short Tandem Repeat DNA Database for the Human Identity Testing Community

January 1, 2001

Author(s)

C M. Ruitberg, D J. Reeder, John M. Butler

The National Institute of Standards and Technology (NIST) has compiled and maintained a Short Tandem Repeat DNA Internet Database (http://www.cstl.nist.gov...

Expected and Unexpected Solutions to the Stationary One-Dimensional Nonlinear Schrodinger Equation

January 1, 2001

Author(s)

L D. Carr, Charles W. Clark, W P. Reinhardt

We present all stationary solutions to the nonlinear Schrodinger equation in one dimension for box and periodic boundary conditions. For both repulsive and...

Gene Expression Analysis on Medium-Density Oligonucleotide Arrays

January 1, 2001

Author(s)

R. Sinibaldi, C D. O'Connell, H Rodriguez, C. Seidel

As the human genome project continues toward its goal of sequencing the entire human genome by the end of 2003, this is providing unique opportunities for...

Textile Composites: Modeling Strategies

January 1, 2001

Author(s)

S V. Lomov, G Huysmans, Y Luo, Richard~undefined~undefined~undefined~undefined~undefined Parnas, A Prodromou, I Verpoest, Frederick R. Phelan Jr.

Textile materials are characterised by the distinct hierarchy of structure, which should be represented by a model of textile geometry and mechanical behaviour...

Simulataneous Wide-Band Four-Antenna Wireless Channel-Sounding Measurements at 1920 MHz in a Suburban Environment

January 1, 2001

Author(s)

Perry F. Wilson, P. B. Papazian, M. G. Cotton, Y. Lo, S. C. Bundy

A First Step Towards Photorealistic Rendering of Coated Surfaces and Computer Based Standards of Appearance

January 1, 2001

Author(s)

Fern Y. Hunt, Egon Marx, G Meyer, Theodore V. Vorburger, P Walker, H Westlund

We seek to explore the feasibility of producing computer graphic images to visualize the color and gloss of surfaces using optical and surface topographical...

A Comparison of Quantum-Mechanical Capacitance-Voltage Simulators

January 1, 2001

Author(s)

Curt A. Richter, Allen R. Hefner Jr., Eric M. Vogel

We have systematically compared the results of an extensive ensemble of the most advanced available quantum-mechanical capacitance-voltage simulation and...

Electron Attachment Cross Sections and Negative Ion States of SF6

January 1, 2001

Author(s)

Loucas G. Christophorou, James K. Olthoff

A comprehensive and critical assessment of published data on the total, dissociative, and nondissociative electron attachment cross sections for SF 6 allowed us...

Chatter Control and Stability Analysis of a Cantilever Boring Bar Under Regenerative Cutting Conditions

January 1, 2001

Author(s)

A H. Nayfeh, Jon R. Pratt

A theoretical and experimental investigation into the stability of a slender boring bar under regenerative cutting conditions is presented. The bar has been...

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