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Giesler, G.C.
Michigan State Univ., East Lansing (USA). Dept. of Chemistry1971
Michigan State Univ., East Lansing (USA). Dept. of Chemistry1971
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1971; 201 p; Thesis.
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Nuclear Data Sheets; v. 14(2); p. 119-153
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Nuclear Physics. A; v. 225(3); p. 481-492
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27. Annual Meeting of the Brazilian Society for the Advancement of Science; Belo Horizonte, Minas Gerais, Brazil; 9 - 16 Jul 1975; Published in summary form only.
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Cienc. Cult. (Sao Paulo); v. 27(7); p. 44
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Bracht, H.; Nicols, S.P.; Haller, E.E.; Silveira, J.P.; Briones, F.
Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (United States). Funding organisation: USDOE Director, Office of Science. Office of Basic Energy Studies. Division of Materials Sciences (United States); National Science Foundation (United States)2000
Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (United States). Funding organisation: USDOE Director, Office of Science. Office of Basic Energy Studies. Division of Materials Sciences (United States); National Science Foundation (United States)2000
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LBNL--49532; AC03-76SF00098; Journal Publication Date: 5/15/2001
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[en] The hyperfine structure of the 4d2D3/2,5/2 levels of 69,71Ga is determined. The 4p2P3/2->4d2D3/2 (294.50-nm) and 4p2P3/2->4d2D5/2 (294.45-nm) transitions are studied by laser-induced fluorescence in an atomic Ga beam. The hyperfine A constant measured for the 4d2D5/2 level is 77.3±0.9 MHz for 69Ga and 97.9± 0.7 MHz for 71Ga (3σ errors). The A constant measured for the 4d2D3/2 level is -36.3±2.2 MHz for 69Ga and -46.2±3.8 MHz for 71Ga. These measurements correct sign errors in the previous determination of these constants. For 69Ga the hyperfine B constants measured for the 4d2D5/2 and the 4d2D3/2 levels are 5.3±4.1 MHz and 4.6±4.2 MHz, respectively. The isotope shift is determined to be 114±8 MHz for the 4p2P3/2->4d2D3/2 transition and 115±7 MHz for the 4p2P3/2->4d2D5/2 transition. The lines of 71Ga are shifted to the blue. This is in agreement with previous measurement. [copyright] 2001 Optical Society of America
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Othernumber: JOBPDE000018000006000855000001; 006106JOB; The American Physical Society
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Journal of the Optical Society of America. Part B, Optical Physics; ISSN 0740-3224;
; CODEN JOBPDE; v. 18(6); p. 855-860

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AbstractAbstract
No abstract available
Original Title
Widths of levels below 2.5 MeV
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Phys. Rev., C; v. 7(4); p. 1490-1500
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[en] Natural radiative lifetimes and the signs of previously determined hyperfine coupling constants were determined for the 4s26p2Psub(3/2,1/2) levels of gallium. The lifetimes were found to be 167(4) and 172(9) ns, respectively. In addition, the quadrupole moments of 69Ga [0.17(3)b] and 71Ga[0.10(2)b] were deduced, and the isotope shifts in the 639.7 and 641.3 nm Ga lines were determined. (orig.)
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Physics Letters. A; ISSN 0375-9601;
; v. 93(3); p. 121-123

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Herdzik, I.; Narbutt, J.
ChemSession'09 - 6. Warsaw Seminar of the PhD Students in Chemistry - Abstracts2009
ChemSession'09 - 6. Warsaw Seminar of the PhD Students in Chemistry - Abstracts2009
AbstractAbstract
No abstract available
Original Title
Badanie kinetyki wymiany jonowej galu i indu w ukladach: HClaq/anionit (DOWEX 1-X8) oraz HClaq/kationit (DOWEX 50W-X8)
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Department of Chemistry, Warsaw University of Technology, Warsaw (Poland); Warsaw Branch of the Polish Chemical Society (Poland); 128 p; ISBN 978-83-60988-02-2;
; 2009; p. 44; ChemSession'09: 6. Warsaw seminar of the PhD students in chemistry; 6. Warszawskie Seminarium Doktorantow Chemikow ChemSession'09; Warsaw (Poland); 15 May 2009; Also available from Polish Chemical Society, ul. Freta 16, 00-227 Warsaw, Poland; 2 refs.

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Le Caer, Gerard; Bureau, Bruno; Massiot, Dominique, E-mail: gerard.le-caer@univ-rennes1.fr, E-mail: bruno.bureau@univ-rennes1.fr, E-mail: dominique.massiot@cnrs-orleans.fr2010
AbstractAbstract
[en] First, the basis and the characteristics of the Czjzek model for the distribution of electric field gradient (EFG) tensor in disordered solids, some of which are still unnoticed, are depicted. That model results from the statistical invariance by rotation of the structure of the considered disordered solid and from the applicability of a central limit theorem to the EFG tensor. These two conditions, which are physically realistic for a wealth of disordered solids, simplify tremendously the derivation of the EFG distribution but at the cost of a complete loss of structural information about the investigated solid. Next, we describe a simple extension of it which is intended to mimic a well-defined local environment, with given values of the asymmetry parameter and of the principal component Vzz of the EFG tensor, perturbed by the disorder of more remote atoms. The effect of disorder is rendered by a Gaussian (Czjzek) noise with an adjustable weight relative to Vzz. The number of free parameters is limited to three, as compared to a sole scale factor for the Czjzek model. Its characteristics are described as a function of the given asymmetry parameter and of the strength of the noise. The aim is to lead to a practical tool which may help to retrieve, as far as possible, the information about the local environment perturbed by disorder from hyperfine measurements and notably from NMR spectra of quadrupolar nuclei. As an example, that extension is applied to some static NMR spectra of 71Ga in covalent glasses. Calculated static 71Ga NMR lineshapes are shown as a function of the parameters of the extended model.
Source
S0953-8984(10)34016-1; Available from http://dx.doi.org/10.1088/0953-8984/22/6/065402; Country of input: International Atomic Energy Agency (IAEA)
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