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Journals

An Accurate Measurement of Planck's Constant

July 1, 1998

Author(s)

Edwin R. Williams, Richard L. Steiner, David B. Newell

Using a moving coil watt balance, electric power measured in terms of the Josephson and quantum Hall effects is compared with mechanical power measured in terms

Metric Models for Random Graphs

June 30, 1998

Author(s)

D L. Banks, G Constantine

Many problems entail the analysis of data that are independent and identically distributed random graphs. Useful inference requires flexible probability models

Effect of P_o2 and Ag on the Phase Formation of the Pb-2223 Superconductor

June 25, 1998

Author(s)

Winnie K. Wong-Ng, Lawrence P. Cook, W Greenwood

The chemical reactions and the compositional characteristics of liquids which lead to the phase formation of the Pb-2223 ((Bi,Pb):Sr:Ca:Cu:O) superconductor

pK_a Shifts in Small Molecules and HIV Protease: Electrostatics and Conformation

June 24, 1998

Author(s)

R Luo, M S. Head, J Moult, M K. Gilson

The generalized Born [GB] approximation is a reasonable electrostatic model that is fast enough for use with extensive conformational sampling. This study

Reduction Potentials of Naphthoxyl and Pyridoxyl Radicals in Aqueous Solutions

June 19, 1998

Author(s)

T N. Das, Pedatsur Neta

Reduction potentials of 1- and 2-naphthoxyl, 2-, 3-, and 4-pyridoxyl, and 4-phenylphenoxyl radicals in alkaline aqueous solutions were determined by pulse

Theoretical and Experimental Analysis of Ionization Equilibria in Turkey Ovomucoid Third Domain

June 16, 1998

Author(s)

W R. Forsyth, M K. Gilson, J Antosiewicz, O R. Jaren, A D. Robertson

Structure (1.3 Å) and Charge States of a Ribonuclease A-Uridine Vanadate Complex: Implications for the Phosphate Ester Hydrolysis Mechanism

June 10, 1998

Author(s)

B Wladkowski, L A. Svensson, L Sjolin, Jane E. Ladner, G L. Gilliland

A Variational Approach to Exchange Energy Calculations in Micromagnetics

June 1, 1998

Author(s)

Michael J. Donahue

This paper presents a magnetization interpolation method for micromagnetic exchange energy calculations using a variational procedure to relax spins on a

Ferromagnetic Resonance Linewidth in Thin Films Coupled to NiO

June 1, 1998

Author(s)

Robert D. McMichael, Mark D. Stiles, P J. Chen, William F. Egelhoff Jr.

The out-of-plane angular dependence of the ferromagnetic resonance linewidth, [Δ] H, has been measured for thin magnetic films coupled to NiO and for uncoupled

Calculation of Single-Crystal Elastic Constants for Cubic Crystal Symmetry from Powder Diffraction Data

June 1, 1998

Author(s)

Thomas H. Gnaupel-Herold, Paul C. Brand, Henry J. Prask

In this work a method is developed that allows the computation of the single- crystal elastic constants for crystals of cubic symmetry from the diffraction

Mechanical Hardness and Elastic Stiffness of Alloys: Semiempirical Models

June 1, 1998

Author(s)

D G. Clerc

An atomic-levellmechanical hardness model that is based on screened electrostatics and elastic shear (SEES) is generalized to single-phase substitutional

Time-Resolved Studies of Ultra-Cold Ionizing Collisions

June 1, 1998

Author(s)

C R. Orzel, S Bergeson, S L. Rolston, S Kulin

Using 40 ns laser pulses, we probe the real-time dynamics of ultra-cold ionizing collisions in metastable xenon. We time-resolve both shielding and enhancement

Experimental and Ab Initio Study of the Infrared Spectra of Ionic Species Derived from SF6 and SF4 and Trapped in Solid Neon

June 1, 1998

Author(s)

C Lugez, Marilyn E. Jacox, R A. King, H F. Schaefer

When a Ne:SF6 mixture is subjected to Penning ionization and/or photoionization by neon atoms in their first excited states, between 16.6 eV and 16.85 eV, and

Rotational Spectrum, Structure, and Electric Dipole Moment of bis(Difluoromethyl) Ether(E134)

June 1, 1998

Author(s)

R D. Suenram, Francis J. Lovas, Angela R. Hight Walker, D Dixon

The rotational spectrum of bis (difluoromethyl) ether (CF 2HOCF 2H) has been observed and analyzed using both a conventional Stark-modulated microwave

Experimental and ab Initio Study of the Infrared Spectra of Ionic Species Derived from PF5, PF3 and F3PO and Trapped in Solid Neon

June 1, 1998

Author(s)

C Lugez, Marilyn E. Jacox, R A. King, H F. Schaefer

When a Ne:PF 5 or a Ne:PF 3 is codeposited a 5 K with a beam of neon atoms that have been excited in a microwave discharge, the infrared spectrum of the

'Thermochemical Mimicry' of Phenyl and Vinyl Groups: Can it be Extened to Charged Species?

June 1, 1998

Author(s)

E P. Hunter, S G. Lias, C M. Rooney, J L. Winstead, J F. Liebman

By examination of a set of recently evaluated proton affinities, the thermochemical mimicry of phenyl and vinyl derivatives is shown not to apply to charged

Thermal Plasma Synthesis of Fe-Co Alloy Nanoparticles

June 1, 1998

Author(s)

J H. Scott, Z Turgut, K Chowdary, M E. McHenry, S. A. Majetich

FeCo nanoparticles are synthesized in a radio frequency (RF) plasma torch from metal powder precursors and simple gases. The first precursor consists of pre

Noise reduction in optical in situ measurements for molecular beam epitaxy by substrate wobble normalization

June 1, 1998

Author(s)

Kristine A. Bertness, Robert K. Hickernell, S. P. Hays, David H. Christensen

We demonstrate a nonnalization method for removing noise introduced into optical in situ measurements by sample rotation wobble during molecular beam epitaxy

An Equilibrium and Calorimetric Study of Some Transamination Reactions

June 1, 1998

Author(s)

Yadu D. Tewari, N Kishore, Robert N. Goldberg, T N. Luong

Apparent equilibrium constants and calorimetric enthalpies of reaction have been measured for the following enzyme-catalyzed biochemical reactions at the

Thermodynamic Properties for the Alternative Refrigerants

June 1, 1998

Author(s)

Mark O. McLinden, Eric W. Lemmon, R. T. Jacobsen

Models commonly used to calculate the thermodynamic properties of refrigerants are summarized. For pure refrigerants, the virial, cubic, Martin-Hou, Benedict

Comment on the Paper Interferometric Testing of Optical Surfaces: Absolute Measurement of Flatness

June 1, 1998

Author(s)

Christopher J. Evans

This paper provides an informative discussion of some aspects of the use of n-position area averaging in absolute testing of optical surfaces. The paper may

A Primer on Electrical Units in the Systems International

June 1, 1998

Author(s)

Neil M. Zimmerman

I examine the dissemination of the electrical units, from basic physical laws to commercial calibrations. I discuss the important distinction between

Low-Jitter Trigger System for Pulse Calibration and Intercomparison of High-Speed Samplers

June 1, 1998

Author(s)

Nicholas G. Paulter Jr.

The Effect of Histogram Size on Histogram-Derived Pulse Parameters

June 1, 1998

Author(s)

Nicholas G. Paulter Jr.

The effects of the number of histogram bins on histogram-derived pulse parameters of step-like waveforms is examined. An empirical method for selecting the

Breathing Mode Excitation in Near Harmonic Systems: Resonant Mass Capture, Desorption and Atoms in Optical Lattices

June 1, 1998

Author(s)

John William Gadzuk

The phenomenon of breathing mode excitation or bound state wave packet squeezing and spreading driven by a time-dependent oscillator frequency [due to either a

Handover and New Call Blocking Performance With Dynamic Single-Channel Assignment in Linear Cellular Arrays

June 1, 1998

Author(s)

A L. Wijesinha, S P. Kumar, D P. Sidhu

We consider dynamic assignment of a single channel in a linear cellular array, and derive closed-form expressions for the blocking probability of handover calls

First Observation of the Pure Long-Range 1_u State of an Alkali Dimer by Photoassociative spectroscopy

June 1, 1998

Author(s)

X Wang, H Wang, P L. Gould, W C. Stwalley, Eite Tiesinga, Paul S. Julienne

The pure long-range 1 u state of an alkali dimer is observed for the first time in 39K 2 using photoassociative spectroscopy of ultracold atoms. High-resolution

Detection of Tyrosinase mRNA in Melanoma by Reverse Transcription-PCR and Electrochemiluminescence

June 1, 1998

Author(s)

C D. O'Connell, A Juhasz, C Kuo, D J. Reeder, D S B Hoon

Statistical Analysis of Network Analyzer Measurements

June 1, 1998

Author(s)

John R. Juroshek, Chih-Ming Wang, G. P. Mccabe

Measurements and Modeling of the Microwave Impedance in High-T_c Grain-Boundary Josephson Junctions: Fluxon Generation and RF Josephson-Vortex Dynamics

June 1, 1998

Author(s)

Y. M. Habib, C. J. Lehner, D. E. Oates, Leila R. Vale, Ronald H. Ono, G. Dresselhaus, M. Dresselhaus

Measurements and modeling of the microwave-frequency (rf) power dependence of the impedance in Y-Ba-Cu-O thin-film grain-boundary Josephson junctions (jj's) are

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