Search Results - "Alekseev, E.A."

Spin-torsion dominated hyperfine splittings in the first excited torsional state (vt = 1) of methanol by Xu, Li-Hong, Hougen, J.T., Golubiatnikov, G.Yu, Belov, S.P., Lapinov, A.V., Alekseev, E.A., Krapivin, I., Margulès, L., Motiyenko, R.A., Bailleux, S.

“…[Display omitted] •Spin-torsion dominated hyperfine splittings in vt = 1 torsional state of methanol.•Proton-spin magnetic hyperfine interactions in E…”
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Ab initio calculations of torsionally mediated hyperfine splittings in E states of acetaldehyde by Xu, Li-Hong, Reid, E.M., Guislain, B., Hougen, J.T., Alekseev, E.A., Krapivin, I.

“…[Display omitted] •MP2 ab initio calculations give accurate spin-rotation hyperfine constants for methanol.•MP2 spin-rotation interaction tensor for…”
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Spectroscopy of the ground, first and second excited torsional states of acetaldehyde from 0.05 to 1.6THz by Smirnov, I.A., Alekseev, E.A., Ilyushin, V.V., Margulés, L., Motiyenko, R.A., Drouin, B.J.

“…[Display omitted] •A new study of the CH3CHO spectrum up to 1.6THz has been carried out.•The rotation transitions with J up to 66 and Ka up to 22 have been…”
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New measurements of the microwave spectrum of formamide by Kryvda, A.V., Gerasimov, V.G., Dyubko, S.F., Alekseev, E.A., Motiyenko, R.A.

“…New measurements of the microwave spectrum of formamide have been obtained in the frequency range from 49 to 340 GHz using the microwave spectrometer at the…”
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Ground and first excited torsional states of acetamide by Ilyushin, V.V., Alekseev, E.A., Dyubko, S.F., Kleiner, I., Hougen, J.T.

“…We present a first global study involving rotational levels in the lowest three torsional states of acetamide (CH 3CONH 2). New measurements of this spectrum,…”
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Noise characteristics of GaN-based IMPATTs by Panda, A.K., Pavlidis, D., Alekseev, E.A.

“…The potential of noise characteristics of Wz-phase and Znb-phase GaN IMPATTs is investigated and compared to Si and GaAs-based IMPATTs at D-band. The noise of…”
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Rotational spectroscopy and astronomical search for the 2-hydroxyacetonitrile isotopologues (HOCH2CN)-C-13, (HOCH2CN)-C-13, and DOCH2CN by Margulès, L., Coutens, A., Ligterink, N. F. W., Ahmadi, A, Motiyenko, R.A., Alekseev, E.A., Vastel, C., Caux, E., Guillemin, J-C

“…The main isotopologue of 2-hydroxyacetonitrile (glycolonitrile; HOCH2CN) has recently been detected in the interstellar medium (ISM). To date, no rotational…”
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Submillimeter wave spectroscopy of propanoic acid (CH3CH2COOH) and its ISM search by Ilyushin, V.V., Margulès, L., Tercero, B., Motiyenko, R.A., Dorovskaya, O., Alekseev, E.A., Alonso, E.R., Kolesniková, L., Cernicharo, J., Guillemin, J.C.

“…•The higher thermodynamic stability of C3H6O2 isomer, propionic-acid, suggests that this molecule should be considered as a possible candi- date for ISM…”
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Submillimeter-wave spectroscopy of and interstellar search for thioacetaldehyde by Margulès, L., Ilyushin, V.V., McGuire, B.A., Belloche, A., Motiyenko, R.A., Remijan, A., Alekseev, E.A., Dorovskaya, O., Guillemin, J.-C.

“…[Display omitted] •A new study of the CH3CHS spectrum up to 660 GHz has been carried out.•The rotation transitions in vt = 0,1,2 states with J up to 60 have…”
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The High-Precision Millimeter-Wave Spectrum of32SO2,32SO2(ν2), and34SO2 by Alekseev, E.A., Dyubko, S.F., Ilyushin, V.V., Podnos, S.V.

“…Frequencies of a number of32SO2,32SO2(ν2), and34SO2transitions have been measured between 50 and 150 GHz. The frequency determination error was about 1–3 kHz…”
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Centrifugal distortion analysis of the rotational spectrum of aziridine: Comparison of different Hamiltonians by Motiyenko, R.A., Margulès, L., Alekseev, E.A., Guillemin, J.-C., Demaison, J.

“…Previous measurements of rotational spectrum of aziridine up to 1.85 THz have been supplemented by new data in 225–660 GHz frequency range. A total of 1465…”
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Choice of the reduction and of the representation in centrifugal distortion analysis: A case study of dimethylsulfoxide by Margulès, L., Motiyenko, R.A., Alekseev, E.A., Demaison, J.

“…The millimeter-wave and submillimeter-wave spectra of dimethylsulfoxide have been measured up to 660 GHz, corresponding to maximum values of J = 70 and K c =…”
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1,3-Propanediol millimeter wave spectrum: Conformers I and II by Smirnov, I.A., Alekseev, E.A., Piddyachiy, V.I., Ilyushin, V.V., Motiyenko, R.A.

“…•A new study of the millimeter wave spectrum of 1,3-propanediol is presented.•The ground state rotational spectra of the two lowest conformers are…”
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Microwave spectrum and structure of furfural by Motiyenko, R.A., Alekseev, E.A., Dyubko, S.F., Lovas, F.J.

“…The microwave spectrum of furfural was investigated in the frequency range 7 GHz–21 GHz and 49 GHz–330 GHz. The ground and first torsional state of…”
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Effect of photoions on the line shape of the Förster resonance lines and microwave transitions in cold rubidium Rydberg atoms by Tretyakov, D. B., Beterov, I. I., Entin, V. M., Yakshina, E. A., Ryabtsev, I. I., Dyubko, S. F., Alekseev, E. A., Pogrebnyak, N. L., Bezuglov, N. N., Arimondo, E.

“…Experiments are carried out on the spectroscopy of the Förster resonance lines Rb(37 P ) + Rb(37 P ) → Rb(37 S ) + Rb(38 S ) and microwave transitions nP → n ′…”
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Microwave spectrum of 13C methyl iodide by Motiyenko, R.A., Alekseev, E.A., Kryvda, A.V., Gerasimov, V.G., Dyubko, S.F.

“…The results of reinvestigation of millimeter and submillimeter-wave spectrum of 13CH 3I molecule are reported. Microwave spectrum records were carried out in…”
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Microwave spectroscopy of furfural in vibrationally excited states by Motiyenko, R.A., Alekseev, E.A., Dyubko, S.F.

“…The results of microwave spectrum investigation of the excited vibrational states of furfural in the frequency range between 49 and 149 GHz are reported. In…”
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The rotational spectrum of the ground state of methylamine by Ilyushin, V.V., Alekseev, E.A., Dyubko, S.F., Motiyenko, R.A., Hougen, J.T.

“…Recent progress is reported in measuring, assigning, and fitting the rotational spectrum of the ground vibrational state of methylamine, CH 3NH 2, a spectrum…”
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The second torsional state of acetic acid by Ilyushin, V.V., Alekseev, E.A., Dyubko, S.F., Kleiner, I.

“…We have fitted to within experimental accuracy a data set for acetic acid CH 3COOH consisting of 2103 v t=0 , 1111 v t=1 and 634 v t=2 microwave lines, using…”
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Millimeter wave spectrum of glycine by Ilyushin, V.V., Alekseev, E.A., Dyubko, S.F., Motiyenko, R.A., Lovas, F.J.

“…We present new investigations of the millimeter wave spectra of the two lowest-energy conformers of glycine (NH 2CH 2COOH). Measurements of these spectra have…”
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