Výsledky vyhledávání - "P. A. Dubasov"

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Instanton-anti-instanton molecule with non-zero-modes of quarks included

Autor: Zubkov, A. G., Dubasov, O. V., Kerbikov, B. O.

Publikováno v: Int.J.Mod.Phys. A14 (1999) 241-252

A straightforward algebraic derivation is carried out of light quark propagator and effective action in the instanton-anti-instanton molecule. Exact expressions are obtained which contain contributions of all quark modes. Possible implications of the

Externí odkaz: http://arxiv.org/abs/hep-ph/9712549

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Comparison of Sensitivities of Semiconductor (HPGe) and Scintillation (CeBr3) Detectors in the Measurement of Gamma Spectra Induced by Neutrons in the Model of Planetary Soil

Autor: A. R. Krylov, A. N. Repkin, V. N. Shvetsov, A. S. Kozyrev, Maxim Mokrousov, Andrey Vostrukhin, V. A. Krylov, I. G. Mitrofanov, A. B. Sanin, Dmitry Golovin, Maxim Litvak, P. V. Dubasov, G. N. Timoshenko, K. V. Udovichenko, A. O. Zontikov

Publikováno v: Physics of Particles and Nuclei Letters. 15:524-530

The results of neutron-activation measurements performed using the model of planetary soil and detectors based on high-purity germanium (HPGe) and cerium bromide (CeBr3) are reported. Gamma lines lying in the energy range from 200 keV to 8 MeV are us

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::480f49bf77cde34847116e9509674258
https://doi.org/10.1134/s1547477118050096

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Simulation of Space Experiments for Nuclear Planetology: Measurement of Relative Intensities of Lines of Gamma Ray Emitted upon Thermal-Neutron Capture by Nuclei

Autor: Denis Lisov, A. A. Anikin, Maxim Litvak, A. S. Kozyrev, A. B. Sanin, Stanislav Pospisil, A. O. Zontikov, G. N. Timoshenko, Andrey Vostrukhin, Tomas Slavicek, Carlos Granja, I. G. Mitrofanov, V. N. Shvetsov, P. A. Dubasov, Dmitry Golovin, Alan Owens, Francesco Quarati

Publikováno v: Physics of Atomic Nuclei. 81:527-539

The results obtained by experimentally studying gamma rays emitted by samples prepared as analogs of planetary matter and irradiated with thermal neutrons are presented. The intensities of spectral lines of gamma rays emitted by such samples differin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e49327214599e244b243f1134daab24e
https://doi.org/10.1134/s1063778818040099

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Tests of the space gamma spectrometer prototype at the JINR experimental facility with different types of neutron generators

Autor: A. N. Repkin, Andrey Vostrukhin, D. V. Golovin, V. A. Krylov, G. N. Timoshenko, P. V. Dubasov, V. N. Shvetsov, A. S. Kozyrev, I. G. Mitrofanov, Maxim Litvak, K. V. Udovichenko, A. O. Zontikov, A. R. Krylov, Maxim Mokrousov

Publikováno v: Physics of Particles and Nuclei Letters. 14:591-601

The results of the tests of the HPGe gamma spectrometer performed with a planetary soil model and different types of pulse neutron generators are presented. All measurements have been performed at the experimental nuclear planetary science facility (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be772bec8fca313b70440f7c82c2b657
https://doi.org/10.1134/s1547477117040136

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Ground tests of the Dynamic Albedo of Neutron instrument operation in the passive mode with a Martian soil model

Autor: A. S. Kozyrev, V. A. Krylov, A. B. Sanin, A. O. Zontikov, G. N. Timoshenko, Dmitry Golovin, V. N. Shvetsov, A. V. Malakhov, Maxim Mokrousov, I. G. Mitrofanov, Maxim Litvak, Andrey Vostrukhin, A. R. Krylov, P. V. Dubasov

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 861:1-6

The results of the Dynamic Albedo of Neutrons (DAN) instrument ground tests in the passive mode of operation are presented in comparison with the numerical calculations. These test series were conducted to support the current surface measurements of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80bd758c4ea4864702e2e78b56399dfb
https://doi.org/10.1016/j.nima.2017.04.048

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Experimental setup for ground-based measurements in preparing cosmic experiments to study nuclear planetology

Autor: P. V. Dubasov, A. S. Kozyrev, A. O. Zontikov, V. A. Krylov, A. N. Repkin, V. N. Shvetsov, Dmitry Golovin, Maxim Litvak, I. G. Mitrofanov, A. R. Krylov, Andrey Vostrukhin, K. V. Udovichenko, G. N. Timoshenko, Maxim Mokrousov

Publikováno v: Physics of Atomic Nuclei. 80:438-445

An experimental laboratory setup combining various gamma spectrometers and neutron generators that is intended for operating at the experimental nuclear-planetology facility deployed at the Joint Institute for Nuclear Research (Dubna, Russia) in orde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9307f4f99df0a8dee342dc125bc8c94
https://doi.org/10.1134/s1063778817030243

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Test facility for nuclear planetology instruments

Autor: P. V. Dubasov, A. R. Krylov, A. B. Sanin, K. V. Udovichenko, A. O. Zontikov, G. N. Timoshenko, I. G. Mitrofanov, A. N. Repkin, D. V. Golovin, I. D. Ponomarev, Andrey Vostrukhin, V. N. Shvetsov, Alexey Malakhov, Maxim Mokrousov, V. A. Krylov, Maxim Litvak, A. S. Kozyrev

Publikováno v: Physics of Particles and Nuclei Letters. 13:224-233

An experimental facility for testing and calibrating nuclear planetology instruments has been constructed in partnership between the Space Research Institute (Moscow) and the Joint Institute for Nuclear Research. A model of Martian soil with a size o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5b5d8b39dd961546f267bb89f5c2093
https://doi.org/10.1134/s1547477116020187

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Ground tests of nuclear planetology instruments at the JINR experimental facility

Autor: A. S. Kozyrev, A. O. Zontikov, A. N. Repkin, G. N. Timoshenko, Maxim Litvak, K. V. Udovichenko, P. V. Dubasov, V. N. Shvetsov, I. G. Mitrofanov, Maxim Mokrousov, Dmitry Golovin, A. R. Krylov, Andrey Vostrukhin, V. A. Krylov

Publikováno v: Physics of Particles and Nuclei Letters. 13:234-243

In this work the results of ground tests with active neutron spectrometer DAN (Dynamic Albedo of Neutrons) are presented, which have performed at the Joint Institute for Nuclear Research to simulate space experiments on martian or lunar surfaces and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3e519f58f3ca773cc4e39e98807a894
https://doi.org/10.1134/s154747711602014x

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Cosmic gamma-ray spectrometer with tagged charged particles of Galactic Cosmic Rays

Autor: P. A. Dubasov, I. G. Mitrofanov, Dmitry Golovin, Denis Lisov, N. E. Karpushkina, A. A. Anikin, R. D. Starr, S. Y. Nikiforov, Maxim Litvak, A. B. Sanin, A. O. Zontikov, M. V. Djachkova, Maxim Mokrousov

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 953:163148

A new concept is proposed for the study of the elemental composition of planetary surfaces on landed missions through the coincident detection of gamma rays induced by Galactic Cosmic Ray (GCR) charged particles and the detection of the incident char

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::682710cfb34e6b2752c6da7894d10ad8
https://doi.org/10.1016/j.nima.2019.163148

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