Zobrazeno 1 - 10 of 22 pro vyhledávání: '"G. S. Lomakin"'
1
Plasma oscillations in fullerene molecules within the random phase approximation
Autor: G. S. Lomakin, R. F. Akhmet’yanov, E. S. Shikhovtseva
Publikováno v: Physics of the Solid State. 51:2557-2560
A method is presented for calculating the density of plasma excitation modes in fullerene molecules, which makes it possible to describe more accurately the specific features of the spectra as compared to the models proposed previously. The method is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb54aa69e8e124d6db216a1ce8964dba
https://doi.org/10.1134/s1063783409120208
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2
Multiexponential decay of negative molecular ions as a result of target molecule distribution over vibrational states
Autor: Nail L. Asfandiarov, V. G. Lukin, G. S. Lomakin, A. S. Vorob’ev
Publikováno v: Technical Physics. 54:1255-1262
The lifetimes of long-lived negative molecular ions SF 6 − -, C6H5NO 2 − , and C6F 6 − are measured with a static mass spectrometer. A great spread in published data for the lifetimes of these ions is explained using a concept of multiexponenti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b18676f8ddcc57217f28da392c1465b7
https://doi.org/10.1134/s1063784209090023
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3
Improvements in the procedure for measuring the average lifetime of negative ions on a static mass spectrometer
Autor: G. S. Lomakin, V. G. Lukin, A. S. Vorob’ev
Publikováno v: Instruments and Experimental Techniques. 52:560-564
Modifications introduced in an MИ-1201 “B” static mass spectrometer, which allowed one to eliminate basic systematic errors in measurements of lifetimes of negative ions, are described. The measured average lifetimes of negative molecular ions o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b47ebd9a84bd05821ff2635ff0e5fb8
https://doi.org/10.1134/s0020441209040162
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4
Application of the united atom model for estimating the lifetime of negative molecular ions relative to electron autodetachment
Autor: Nail L. Asfandiarov, A. I. Fokin, E. P. Nafikova, G. S. Lomakin
Publikováno v: Journal of Experimental and Theoretical Physics. 95:605-610
A model proposed for describing the scattering of low-energy electrons (whose energy ranges between thermal energy and several electronvolts) from polyatomic molecules makes it possible to estimate the lifetime of shape resonances. The parameters of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::13523a2c1c1499ce81bcf6827c4ddec8
https://doi.org/10.1134/1.1520592
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5
Measuring the extraction time of negative ions from the ionization chamber of a static mass spectrometer
Autor: G. S. Lomakin, V. G. Lukin
Publikováno v: Instruments and Experimental Techniques. 53:401-403
A technique for measuring the time of extraction of negative ions from the ionization chamber of the ion source of an MИ-1201“B” static mass spectrometer is described. The time of extraction of SF6 negative molecular ions equal to ∼(8.5 ± 1.0
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf6ab5aa4665c239ab914352f5bddf92
https://doi.org/10.1134/s0020441210030139
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6
Frozen shell approximation violation in negative ion formation from halogenated benzenes via dissociative attachment
Autor: O. G. Khvostenko, Vladimir S. Fal ko, Nail L. Asfandiarov, G. S. Lomakin, V. G. Lukin, A. I. Fokin, E. P. Nafikova
Publikováno v: Rapid Communications in Mass Spectrometry. 14:274-279
A series of benzene derivatives (R(1)C(6)H(4)R(2)) has been studied by means of electron capture negative ion mass spectrometry (ECNI-MS), and PM3 quantum chemical calculations. The dissociation channel M(-.) --> Hal(-) + (M - Hal). is analysed from
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::234e098f28e56b917fe5e7dc0b3a8d79
https://doi.org/10.1002/(sici)1097-0231(20000229)14:4<274::aid-rcm878>3.0.co
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7
Shape resonances in slow electron scattering by aromatic molecules. I. Anthraquinone derivatives
Autor: Ekatherina P. Nafikova, Yuri V. Chizhov, A. I. Fokin, G. S. Lomakin, Nail L. Asfandiarov, V.S. Fal’ko, V. G. Lukin
Publikováno v: Rapid Communications in Mass Spectrometry. 13:1116-1123
A series of anthraquinone (C(14)O(2)H(8)) derivatives has been studied by means of electron capture negative ion mass spectrometry (ECNI-MS), photoelectron spectroscopy (PES), and AM1 quantum chemical calculations. Mean lifetimes of molecular negativ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a3f92c85f3d7fc541c6b4c1849655bd
https://doi.org/10.1002/(sici)1097-0231(19990630)13:12<1116::aid-rcm623>3.0.co
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10
Temperature dependence of the mean autodetachment lifetime of the p-benzoquinone molecular radical anion
Autor: Ivan A. Pshenichnyuk, A. I. Fokin, Nail L. Asfandiarov, G. S. Lomakin, Stanislav A. Pshenichnyuk
Publikováno v: Rapid communications in mass spectrometry : RCM. 20(3)
Experimental data previously published from this laboratory (Asfandiarov NL, Pshenichnyuk SA, Fokin AI, Nafikova EP. Chem. Phys. 2004; 298: 263), on the temperature dependence of the mean autodetachment lifetime of the p-benzoquinone molecular radica
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6eac5352bc0c9bffae11060cfbc3e657
https://pubmed.ncbi.nlm.nih.gov/16381060
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