Search Results - "Lapik, A. M."

Integral Formulas for Recovering Extremal Measures for Vector Constrained Energy Problems by Lapik, M. A.

“…Extremal problems for vector potentials have wide applications in asymptotic analysis of Hermite-Padé approximants of analytic functions. We consider…”
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Measuring of the Yield of Reactions 13C(γ, p), 14N(γ, 2p), and 14N(γ, 2n) on a Pulsed Electron Accelerator with Registration of Induced 12B and 12N Activity by Belyshev, S. S., Dzhilavyan, L. Z., Lapik, A. M.

“…Measurements of yields of 13 C(γ, p ), 14 N(γ, 2 p ), and 14 N(γ, 2 n ) reactions with registration of 12 B and 12 N activities between pulses of the electron…”
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Testing of Threshold SiO2 Aerogel Cherenkov Detectors Using Cosmic Rays: Simulation and Measurements by Lapik, A. M., Dzhilavyan, L. Z., Lisin, V. P., Polonski, A. L., Ponomarev, V. N., Rudnev, N. V., Rusakov, A. V.

“…A method of testing of threshold SiO 2 aerogel Cherenkov detectors using cosmic radiation is described. The method requires a minimum amount of additional…”
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The Energy and Angular Distributions of Neutrons from (γ, N)-Reactions on γ-Beams Produced by Backward Compton Scattering at Eγ ≲ 40 MeV by Lapik, A. M., Belyshev, S. S., Varlamov, V. V., Dzhilavyan, L. Z., Kuznetsov, A. A., Polonski, A. L., Rusakov, A. V., Shvedunov, V. I.

“…To study the E1 giant resonance in atomic nuclei, it is important to study the energy and emission angle distributions of fast neutrons from (γ, n )-reactions…”
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Testing of Threshold SiO-Aerogel Cherenkov Detectors Using Cosmic Rays by Lapik, A. M., Dzhilavyan, L. Z., Lisin, V. P., Polonski, A. L., Rusakov, A. B.

“…A method for testing threshold SiO -aerogel Cherenkov detectors using cosmic radiation is described. The implementation requires a minimal amount of additional…”
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On Activation Studies of Photonuclear Reactions on -Beams from Backward Compton Scattering at MeV by Belyshev, S. S., Varlamov, V. V., Dzhilavyan, L. Z., Kuznetsov, A. A., Lapik, A. M., Polonski, A. L., Rusakov, A. V., Shvedunov, V. I.

“…Proposed as initial activation experiments for photonuclear research with -quanta at energies MeV are those using a source of backward Compton scattered laser…”
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Studying the Yields of Reactions 13C(γ, p), 14N(γ, 2p), and 14N(γ, 2n) on a Pulsed Electron Accelerator with of (12B, 12N) Activity Measured by ΔE Detector Telescopes by Belyshev, S. S., Dzhilavyan, L. Z., Karev, A. I., Lapik, A. M., Polonski, A. L., Ponomarev, V. N., Rusakov, A. V., Turinge, A. A.

“…The authors discuss problems of studying the yields of the reactions 13 C(γ, p ) 12 B, 14 N(γ, 2 p ) 12 B, and 14 N(γ, 2 n ) 12 N with ( 12 B, 12 N) activity…”
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Separating a Component with T1/2 = 1 ms in Delayed Neutrons from 238U Photofission when Registering Them between the Beam Pulses of an Electron Linac by Dzhilavyan, L. Z., Lapik, A. M., Nedorezov, V. G., Ponomarev, V. N., Rusakov, A. V.

“…Conditions are considered that allow the separation of a hypothetical short-lived component ( T 1/2  = 1 ms) in delayed neutrons from 238 U photofission on a…”
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Distortions in the Registration of Delayed Neutrons from 238U Photofission on a Pulsed Electron Linac Using a Scintillation Spectrometer in Pb Shielding by Dzhilavyan, L. Z., Lapik, A. M., Latysheva, L. N., Ponomarev, V. N., Rusakov, A. V., Sobolevsky, N. M.

“…A study is performed of distortions in the registration of fluxes and energy spectra of delayed neutrons by a stilbene scintillation spectrometer inside Pb…”
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Direct and inverse problems for vector logarithmic potentials with external fields by Aptekarev, A. I., Lapik, M. A., Lysov, V. G.

“…We consider extremal problems for the energy of the logarithmic potential with external fields closely related with the inverse spectral problem method. The…”
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On the Study of Reaction Yields of C()B, N()B, andN()N through Measurements of (B, N) Activities with -Detector Telescopes between Electron Accelerator Pulses by Belyshev, S. S., Dzhilavyan, L. Z., Karev, A. I., Lapik, A. M., Polonski, A. L., Ponomorev, V. N., Rusakov, A. V., Turinge, A. A.

“…The possibilities of studying the reaction yields of C B, N B, and N N through measurements of induced ( B, N) activities with thin detector telescopes in…”
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On Monitoring on the Under-Development Source Based on Backward Compton Scattering for Photonuclear Research at MeV by Belyshev, S. S., Varlamov, V. V., Dzhilavyan, L. Z., Kuznetsov, A. A., Lapik, A. M., Polonski, A. L., Rusakov, A. V., Shvedunov, V. I.

“…Proceeding from the comparison of parameters for the -ray source based on backward Compton scattering, which is under development now, and the known methods of…”
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On the Program of Photonuclear Research Using the Backward Compton Quasi-Monochromatic Quanta with Tunable Energy MeV by Belyshev, S. S., Varlamov, V. V., Dzhilavyan, L. Z., Kuznetsov, A. A., Lapik, A. M., Polonski, A. L., Rusakov, A. V., Shvedunov, V. I.

“…Based on the analysis of the progress in studying photonuclear reactions at MeV and the unique parameters of the Compton source of -quanta which is now under…”
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On Expanding Neighborhoods of Local Universality of Gaussian Unitary Ensembles by Lapik, M. A., Tulyakov, D. N.

“…The classical universality theorem states that the Christoffel–Darboux kernel of the Hermite polynomials scaled by a factor of 1 / n tends to the sine kernel…”
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Registration of Delayed Neutrons from 238U Photofission at Eγmax ≅ 10 MeV in Interval (1–5) ms after Beam Pulses of the Electron Accelerator by Dzhilavyan, L. Z., Lapik, A. M., Latysheva, L. N., Nedorezov, V. G., Ponomarev, V. N., Rusakov, A. V., Sobolevsky, N. M., Solodukhov, G. V.

“…In this article, we describe an experimental verification of the correctness of registration of delayed neutrons from 238 U photofission at a maximum energy of…”
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Delayed Neutrons from the Photofission of 238U at Eγ max ≈ 10 MeV in the Intervals between Pulses of Irradiation by Dzhilavyan, L. Z., Lapik, A. M., Nedorezov, V. G., Ponomarev, V. N., Rusakov, A. V., Solodukhov, G. V.

“…Experiments on measuring the energy spectra and time distributions of delayed neutrons are described. The neutrons are produced in 238 U photofission under the…”
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Asymptotic behavior of the spectrum of combination scattering at Stokes phonons by Aptekarev, A. I., Lapik, M. A., Orlov, Yu. N.

“…For a class of polynomial quantum Hamiltonians used in models of combination scattering in quantum optics, we obtain the asymptotic behavior of the spectrum…”
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Prototype of a Meter-Wavelength Radio Telescope with Wide Field-of-View by Dagkesamanskii, R. D., Veselovskii, A. V., Zheleznykh, I. M., Izvekov, B. K., Kovalenko, A. V., Lapik, A. M., Mordovskoi, M. V.

“…The scheme and components of a wide field-of-view meter-wavelength radio telescope prototype developed based on an antenna array consisting of 128 dipoles is…”
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An electron magnetic spectrometer for experiments on a terawatt femtosecond laser by Rusakov, A. V., Ivanov, K. A., Borisov, N. A., Tsymbalov, I. N., Gorlova, D. A., Lapik, A. M., Lar’kin, A. S., Lisin, V. P., Mordvintsev, I. M., Mushkarenkov, A. N., Nedorezov, V. G., Polonski, A. L., Savel’ev-Trofimov, A. B., Turinge, A. A.

“…Photonuclear methods used earlier in experiments at electron accelerators have been adapted for femtosecond pulsed lasers. In particular, the problem of…”
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Suppression of pileup events by pulse shape discrimination using the Gatti filter by Verbitsky, S. S., Emokhonov, V. N., Lapik, A. M., Rusakov, A. V., Tikanov, M. A., Tselebrovsky, A. N., Shilyaev, A. A.

“…An algorithm is proposed that provides reliable discrimination between neutrons and γ rays in mixed fields and reduces the influence of γ-ray pileups at a…”
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