# ALBERT

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• Bleakney  (1)
• Computational Chemistry and Molecular Modeling  (1)
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• 1
Electronic Resource
Springer
Shock waves 5 (1996), S. 327-339
ISSN: 1432-2153
Keywords: Blast wave ; Bleakney ; Flow visualization ; Interferometry ; Mach reflection ; Pressure gage ; Shock tube history
Source: Springer Online Journal Archives 1860-2000
Topics: Physics , Technology
Notes: Abstract Recollections of activities in the Physics Department of Princeton University leading to the construction and use of the SHOCK TUBE are recorded. Walker Bleakney was the leader of these activities from 1940 to 1979, and his methods and attitude are described. Original interferograms made at Princeton show some results obtained.
Type of Medium: Electronic Resource
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• 2
Electronic Resource
New York, NY : Wiley-Blackwell
ISSN: 0020-7608
Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
Source: Wiley InterScience Backfile Collection 1832-2000
Topics: Chemistry and Pharmacology
Notes: Accurate lower and upper bounds for the nonrelativistic ground state energies E0 of the real systems 4He, H-, D-, and T- were calculated by the method of variance minimization using wave functions which include logarithmic terms. In addition, an analogous treatment with an infinite mass approximation for H-, He, and the isoelectronic series up to Z = 10 was carried out. Especially for H- and He the results (a.u.) are given by \documentclass{article}\pagestyle{empty}\begin{document}$$\begin{array}{*{20}c} { - 0.52775101712297_4 〈 E_0 (H^ -) 〈 - 0.52775101654373_9 } \\ { - 2.90372437703413_4 〈 E_0 (He) 〈 - 2.90372437703411_9 .} \\ \end{array}$$\end{document} These values have an absolute error smaller than 1.28 · 10-4 cm-1 for H-1and 3.10 · 10-9 cm-1 for He. Moreover it is shown that a variation of nuclear mass mn for the H- species does not produce a second discrete eigenvalue.