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Journals

Theory and Simulation of Resonant Inelastic X-Ray Scattering in s-p Bonded Systems: Graphite, Hexagonal Boron Nitride, Diamond, and Cubic Boron Nitride

October 1, 2000

Author(s)

Eric L. Shirley

This work discusses the theory of resonant inelastic x-ray scattering (RIXS) in the s-p bonded solids, graphite, hexagonal boron nitride (hBN), diamond, and...

The Reaction of BF₃ with H₂O Infrared Spectrum of BF₂OH Trapped in Solid Neon

October 1, 2000

Author(s)

Marilyn E. Jacox, Karl K. Irikura, Warren E. Thompson

When a Ne:BF 3 sample is passed through a long stainless steel deposition line before being frozen onto a cryogenic observation surface maintained at...

Electron- and Photon-Stimulated Desorption of Atomic Hydrogen From Radiation-Modified Alkali Halide Surfaces

October 1, 2000

Author(s)

Lawrence T. Hudson, N H. Tolk, C Bao, P Norlander, D P. Russell, J. Xu

The desorption yields of excited hydrogen atoms from the sufaces of KCI, KBr, NaCl, NaF and LiF have been measured as a function of incident photon and electron...

Resummation of Nonalternating Divergent Perturbative Expansions

October 1, 2000

Author(s)

U Jentschura

A procedure for the resummation of nonalternating divergent perturbation series is described. The prescription combines the Borel transformation with Pade...

NIST Facility for Spectral Irradiance and Radiance Responsivity Calibrations With Uniform Sources

October 1, 2000

Author(s)

Steven W. Brown, George P. Eppeldauer, Keith R. Lykke

A laser-based facility has been developed to provide high-flux, monochromatic, Lambertian radiation over the spectral range from 0.200 um to 18 um. The facility...

Detection of the BCS Transition of a Trapped Fermi-Gas

October 1, 2000

Author(s)

G M. Bruun, Charles W. Clark

We investigate theoretically the properties of a trapped gas of fermionic atoms both in the normal and the superfluid phase. A detailed analysis including the...

Complete Structure of Gauche 1,1,2,2-Tetrafluoroethane Determined by Microwave Spectroscopy

October 1, 2000

Author(s)

B Mate, Angela R. Hight Walker, R D. Suenram, N Craig

The complete molecular structure of the high-energy, gauche rotamer of 1,1,2,2-tetrafluoroethane (TFEA), Freon F134, has been determined using Fourier transform...

An AC/DC Technique for the Absolute Integrating-Sphere Method

October 1, 2000

Author(s)

Yoshihiro Ohno, R Kohler, M F. Stock

The Bureau International des Poids et Mesures (BIPM) has historically maintained the results of international intercomparisons of luminous intensity and...

Equation of State for Star Polymers in Good Solvents

October 1, 2000

Author(s)

C S. Patrickios, L L. Lue

We develop a free-energy model for star polymers in good solvents that accurately describes concentrated polymer solutions and displays the correct universal...

Overview of the IEEE/LEOS Summer Topical on Optical Sensing in Semiconductor Manufacturing

October 1, 2000

Author(s)

Kristine A. Bertness

This article summarizes papers presented at the IEEE/LEOS Summer Topical on Optical Sensing in Semiconductor Manufacturing.

Josephson Voltage Standards

October 1, 2000

Author(s)

Clark A. Hamilton

This paper reviews the development and use of Josephson voltage standards over the last 30 years, including classical dc standards, programmable standards based...

Amphibole Asbestos From Libby, Montana: Aspects of Nomenclature

October 1, 2000

Author(s)

A G. Wylie, Jennifer R. Verkouteren

Richterite-asbestos and winchite-asbestos are not listed in the Federal regulations governing asbestos. However, asbestiform winchite is found in the gangue at...

SANS Study of Sulfonate End Group Effect on Polystyrene Self-Diffusion

October 1, 2000

Author(s)

S D. Kim, A Klein, L H. Sperling, E M. Boczar, Barry J. Bauer

Film formation from a latex involves interdiffusion of the polymer chains. The interdiffusion behavior of polystyrene with H-ends, one sulfite-end, and two...

Dipole Radiation Over an Inhomogeneous Thin Sheet

October 1, 2000

Author(s)

J. R. Wait, Richard G. Geyer

The Effect of Changing Molecular End Groups on Surface Properties: Synthesis and Characterization of Poly (Styrene-b-Semifluorinated Isoprene) Block Copolymers With -CF₂H End Groups

October 1, 2000

Author(s)

T Hayakawa, J G. Wang, M Xiang, X Li, M Ueda, Christopher K. Ober, Jan Genzer, E Sivaniah, E J. Kramer, Daniel A. Fischer

Poly(styrene-b-semifluorinated isoprene) block copolymers with -CF 2H terminated side groups were synthesized by the esterification reaction of a poly(styrene-b...

Development of a Freckle Predictor via Rayleigh Number Methodm for Single-Crystal Nickel-Base Superalloy Castings

October 1, 2000

Author(s)

C Beckermann, J P. Gu, William J. Boettinger

A Rayleigh number-based criterion is developed for predicting the formation of freckles in Ni-base superalloy castings. This criterion relies on finding the...

Shear Orientation of Viscoelastic Polymer-Clay Solutions Probed by Flow Birefringence and SANS

October 1, 2000

Author(s)

G Schmidt, A Nakatani, Paul Butler, Alamgir Karim, Charles C. Han

Shear-induced structural changes in complex fluids of anisotropic species are a very general problem encountered not only in polymer solutions 1 but also in...

Interfacial Response of a Fluorescent Dye Grafted to Glass

October 1, 2000

Author(s)

Joseph~undefined~undefined~undefined~undefined~undefined Lenhart, J H. VanZanten, Joy Dunkers, Richard~undefined~undefined~undefined~undefined~undefined Parnas

The Quality of the fiber/resin interphase region is critical to the final mechanical properties of a composite. By grafting a fluorescent dye to a glass...

Accuracy Comparison of Absolute Optical Frequency Measurement Between Harmonic-Generation Synthesis and a Frequency-Division Femtosecond Comb

October 1, 2000

Author(s)

J Ye, T H. Yoon, John L. Hall, A A. Madej, J E. Bernard, K J. Siemsen, L Marmet

Using an iodine-stabilized He-Ne laser as a transfer oscillator, we compare absolute measurements of the optical frequency from a traditional frequency...

First High-Resolution Infrared Observation of the Symmetry-Forbidden Nu₅ Band of ¹⁰B₂H₆

October 1, 2000

Author(s)

J.- M. Flaud, P Arcas, Walter J. Lafferty, H Berger, G Pawelke

Spectra of 10B monoisotopic diborane B 2H 6 have been recorded at high resolution (2 - 3 x 10 -3 cm -1) by means of Fourier transform spectroscopy in the region...

Atom Loss and the Formation of a Molecular Bose-Einstein Condensate by Feshbach Resonance

October 1, 2000

Author(s)

V Yurovsky, A Ben-Reuven, Paul S. Julienne, Carl J. Williams

In experiments conducted recently at MIT on Na Bose-Einstein condensates [S. Inouye et al. Nature 392. 151 (1998): J. Stenger et al, Phys. Rev. Lett. 82. 2422...

Cold Collision Frequency Shifts in a ⁸⁷Rb Atomic Fountain

October 1, 2000

Author(s)

Y Sortais, S Bize, C Nicolas, A Clairon, C Salomon, C Williams

We present measurements of cavity frequency pulling and collisional frequency shifts in a 87Rb fountain with a frequency resolution of 3 x 10 -16. Agreement...

Rate Coefficients for the Reaction of C₂H With O₂ at 90 K and 120 K Using a Pulsed Laval Nozzle Apparatus

October 1, 2000

Author(s)

S Lee, S R. Leone

solute rate coefficients for the reaction of C 2H with O 2 are measured at 90K by using a pulsed Laval nozzle apparatus with laser ionization, time-of-flight...

Vortex Precession in Bose-Einstein Condensates: Observations With Filled and Empty Cores

October 1, 2000

Author(s)

B P. Anderson, P C. Haljan, C E. Wieman, Eric A. Cornell

We have observed and characterized the dynamics of singly quantized vortices in dilute-gas Bose-Einstein condensates. Our condensates are produced in a...

First Observation of the ν₁₇ - ν₄ Difference Bands of Diborane ¹⁰B₂H₆ and ¹¹B₂H₆

October 1, 2000

Author(s)

J.- M. Flaud, Walter J. Lafferty, H Berger, G Pawelke, J L. Domenech, D Bermejo

An analysis of the Ņ 17 - Ņ 4 difference bands of two isotopic species, 10B 2H 6 and 11B 2H 6, of diborane has been carried out using infrared spectra recorded...

Raman Spectroscopy of Uracil DNA Glycosylase-DNA Complexes: Insights Into DNA Damage Recognition and Catalysis

October 1, 2000

Author(s)

J Dong, A C. Drohat, J T. Stivers, K W. Pankiewicz, P R. Carey

Using off-resonance Raman spectroscopy, we have examined each complex along the catalytic pathway of the DNA repair enzyme uracil DNA glycosylase (UDG). The...

Escherichia Coli Uracil DNA Glycosylase: NMR Characterization of the Short Hydrogen Bond From His 187 to Uracil 02

October 1, 2000

Author(s)

A C. Drohat, J T. Stivers

Uracil DNA glycosylase (UDG) cleaves the glycosidic bond of deoxyuridine in DNA using a hydrolytic mechanism, with an overall catalytic rate enhancement of 10...

Recent Developments in Quantitative Fluorescence Calibration for Analyzing Cells and Microarrays

October 1, 2000

Author(s)

G E. Marti, Adolfas Gaigalas, R F. Vogt

This manuscript is a short editorial comment to be published in Cytometry. The purpose of the comment is to bring to the attention of the flow cytometry...

Managing Digital Libraries for Computer-Aided Design

October 1, 2000

Author(s)

William Regli, V Cicirello

This paper describes our initial efforts to deploy a digital library to support computer-aided collaborative design. At present, this experimental testbed, The...

Power Measurement Standards for High-Power Lasers: Comparison Between the NIST and the PTB

October 1, 2000

Author(s)

Xiaoyu X. Li, Thomas Scott, Christopher L. Cromer, Darryl A. Keenan, Friedhelm Brandt, K. Mstl

We report the results of the first laser high-power measurement comparison between the Physikalisch-Technische Bundesanstalt (PTB, Germany), and the National...

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