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1st Scientific-Practical Workshop on Information Technologies: Algorithms, Models, systems, ITAMS 2018

作者： Fereferov, Evgeniy S. Gachenko, Andrey S. Hmelnov, Alexey E. Fedorov, Roman K. Matrosov Institute for System Dynamics and Control Theory SB RAS Irkutsk Russia Irkutsk scientific center SB RAS Irkutsk Russia

The article considers information technologies for monitoring pollution of lake systems. The authors created a geoportal that provides collection and generalization of the results of researches of anthropogenic impact on the ecology of Lake Baikal. Expanded on the geoportal Internet services, provide a comprehensive analysis of collected data and their geoprocessing. The open architecture of the developed geoportal allows expanding its functionality by addition of new services which can be deployed both locally, on the geoportal server, as well as on any other server in the Internet. The interoperability of software systems that implement the analysis and geodata processing functions is provided due to support of geoinformatics standards. One of the features of the developed geoportal is that users can independently operate structures of data and adjust launching of services of geoprocessing, including those services that use computing power of The Center of collective usage "Irkutsk supercomputer center Siberian Branch of the Russian Academy of Science". The authors carried out the initial filling of the system database with the results of research, thematic cartographic layers were constructed. A number of services was deployed on the geoportal in order to provide geodata processing. Authors constructed a coordinated digital model of land and bottom relief near Listvyanka using the original library of triangulation and the technology of morphing of digital maps. This model of relief allows solving the problems of analysis of the distribution of pollutants taking into account the landscape. © 2018 CEUR-WS. All rights reserved.

关键词： Lakes

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Lepton phenomenology of Stueckelberg portal to dark sector

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Physical Review D 2022年第7期105卷 075004-075004页

作者： Aliaksei Kachanovich Sergey Kovalenko Serguei Kuleshov Valery E. Lyubovitskij Alexey S. Zhevlakov Institute for Theoretical Particle Physics (TTP) Karlsruhe Institute of Technology (KIT) Wolfgang-Gaede-Straße 1 76131 Karlsruhe Germany Ruder Boskovic Institute Bijenicka cesta 54 10000 Zagreb Croatia Departamento de Ciencias Físicas Universidad Andres Bello Sazié 2212 Piso 7 Santiago Chile Millennium Institute for Subatomic Physics at the High-Energy Frontier (SAPHIR) of ANID Fernández Concha 700 Santiago Chile Centro Científico Tecnológico de Valparaíso-CCTVal Universidad Técnica Federico Santa María Casilla 110-V Valparaíso Chile Institut für Theoretische Physik Universität Tübingen Kepler Center for Astro and Particle Physics Auf der Morgenstelle 14 D-72076 Tübingen Germany Bogoliubov Laboratory of Theoretical Physics JINR 141980 Dubna Russia Matrosov Institute for System Dynamics and Control Theory SB RAS Lermontov street 134 664033 Irkutsk Russia

We propose an extension of the Standard Model (SM) with a UA′(1) gauge-invariant dark sector connected to the SM via a new portal—the Stueckelberg portal, arising in the framework of dark photon A′ mass generation via the Stueckelberg mechanism. This portal opens through the effective dim=5 operators constructed from the covariant term of the auxiliary Stueckelberg scalar field σ providing flavor nondiagonal renormalizable couplings of both σ and A′ to the SM fermions ψ. The Stueckelberg scalar plays a role of Goldstone boson in the generation of mass of the dark photon. Contrary to the conventional kinetic mixing portal, in our scenario, flavor diagonal A′−ψ couplings are not proportional to the fermion charges and are, in general, flavor nondiagonal. These features drastically change the phenomenology of dark photon A′ relaxing or avoiding some previously established experimental constraints. We focus on the phenomenology of the described scenario of the Stueckelberg portal in the lepton sector and analyze the contribution of the dark sector fields A′ to the anomalous magnetic moment of muon (g−2)μ, lepton flavor–violating decays li→lkγ, and μ−e conversion in nuclei. We obtain limits on the model parameters from the existing data on the corresponding observables.

关键词： Particle dark matter Hypothetical gauge bosons Hypothetical particles Hypothetical scalars

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Hamiltonian formalism for Bose excitations in a plasma with a non-Abelian interaction

arXiv

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arXiv 2020年

作者： Markov, Yu A. Markova, M.A. Markov, N. Yu Gitman, D.M. Matrosov Institute of System Dynamics and Control Theory Siberian Branch Russian Academy of Sciences Irkutsk664033 Russia Irkutsk State University Irkutsk664003 Russia Lebedev Physical Institute Russian Academy of Sciences Moscow119991 Russia Tomsk State University Tomsk634050 Russia Institute of Physics Sao Paulo University Sao Paulo05508-090 Brazil

We have developed the Hamiltonian theory for collective longitudinally polarized colorless excitations (plasmons) in a high-temperature gluon plasma using the general formalism for constructing the wave theory in nonlinear media with dispersion, which was developed by V. E. Zakharov. In this approach, we have explicitly obtained a special canonical transformation that makes it possible to simplify the Hamiltonian of interaction of soft gluon excitations and, hence, to derive a new effective Hamiltonian. The approach developed here is used for constructing a Boltzmann-type kinetic equation describing elastic scattering of collective longitudinally polarized excitations in a gluon plasma as well as the effect of the so-called nonlinear Landau damping. We have performed detailed comparison of the effective amplitude of the plasmon–plasmon interaction, which is determined using the classical Hamilton theory, with the corresponding matrix element calculated in the framework of high-temperature quantum chromodynamics;this has enabled us to determine applicability limits for the purely classical approach described in this study. Copyright © 2020, The Authors. All rights reserved.

关键词： Plasmons

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The validation system for reliability and survivability of unique mechanical systems

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IOP Conference Series: Materials Science and Engineering 2021年第1期1061卷

作者： A F Berman O A Nikolaichuk A Yu Yurin Matrosov Institute for System Dynamics and Control Theory SB RAS (ISDCT SB RAS) 664033 Irkutsk :134 Lermontova St. Irkutsk National Research Technical Universit 664074 Irkutsk 83 Lermontova St.

We propose a concept of the validation system for the properties of reliability and survivability of unique mechanical systems, the failures of which can result in accidents. The system is based on the principles of self-organization and provides the opportunity to consider off-design impacts of any origin, errors in design and operation based on the use of appropriate rules formulated by experts. The principles of self-organization are implemented by a mechanism based on the rules that step-by-step formulate the necessary tasks, the required expert systems and computing units to solve them, as well as on the rules directly linking negative factors and neutralizing their properties.

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Service compositions in problems of urban planning 1

Service compositions in problems of urban planning

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1st Scientific-Practical Workshop on Information Technologies: Algorithms, Models, systems, ITAMS 2018

作者： Fedorov, Roman K. Shumilov, Alexander S. Irkutsk Scientific Center SB RAS Irkutsk Russia Matrosov Institute for System Dynamics and Control Theory SB RAS Irkutsk Russia

Information technologies are being applied in almost all fields of human activities, including the urban planning. One of the common problems in urban planning is the estimation of transport and walking availability of various socially important facilities. Geoportal of ISDCT SB RAS proposes to solve this problem using service compositions, defined in a form of JavaScript programs. During the composition execution, the automatic parallelization of services is performed in order to minimize the overall composition execution time. The scenario planning and execution processes are shown, as well as the ability to adapt to changes in computing environment. © 2018 CEUR-WS. All rights reserved.

关键词： Distributed computer systems

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A platform approach to the organization of digital forest monitoring of the Baikal natural territory

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IOP Conference Series: Earth and Environmental Science 2020年第1期611卷

作者： I V Bychkov G M Ruzhnikov R K Fedorov A K Popova Matrosov Institute for System Dynamics and Control Theory SB RAS 134 Lermontova Street Irkutsk 664033 Russia

This paper describes a platform approach to the organization of digital environmental monitoring of the forest resources of the Baikal natural territory (BNT), some characteristics of the current state of forests in the BNT and schemes of organization of state environmental monitoring in a traditional format. Some features and problems of forest resources monitoring of the BNT that complicate decision-making are formulated. Some basic requirements for digital forest monitoring and types of digital platforms of different levels are considered.

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Cloud storage capable to select events upon user request for medium-sized astrophysical experiments

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Journal of Physics: Conference Series 2021年第1期1740卷

作者： Alexander Kryukov Igor Bychkov Elena Korosteleva Andrey Mikhalov Min-Duc Nguyen M. V. Lomonosov Moscow State University D. V. Skobeltsyn Institute of Nuclear Physics Russia Matrosov Institute for System Dynamics and Control Theory Siberian Branch of Russian Academy of Sciences Russia

We present a cloud storage for collaborations of small and medium-sized experiments in the field of particle astrophysics. This storage provides a unified interface for accessing data from different experiments. In this article, we will focus on the capabilities of the storage for processing user requests for data, as well as on some technical details of the implementation of data selection. We have deployed a working prototype of the storage. Currently the prototype integrates data from such astrophysical experiments as TAIGA and KASCADE. As a result, users of the respective collaborations have the opportunity to collect scientific data from different experiments seamlessly within one request to conduct joint data analysis.

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Modelling energy systems of Vietnam with integration of renewable power sources 1

Modelling energy systems of Vietnam with integration of rene...

引用

1st International Workshop on Information, Computation, and control systems for Distributed Environments, ICCS-DE 2019

作者： Edelev, A.V. Karamov, D.N. Sidorov, I.A. Binh, D.V. Nam, N.H. Anh, N.H. Duy, P.V. Hanh, P.T. Melentiev Energy Systems Institute of Siberian Branch of SB RAS Lermontov St. 130 Irkutsk664033 Russia Matrosov Institute for System Dynamics and Control Theory of SB RAS Lermontov St. 134 Irkutsk664033 Russia Institute of Energy Science of VAST Block A9 Hoang Quoc Viet Street Cau Giay District Hanoi Viet Nam

The paper addresses the research of the large-scale penetration of renewable energy into the power system of Vietnam. The proposed approach presents the optimization of operational decisions in different power generation technologies as a Markov decision process. It uses a stochastic base model that optimizes a deterministic lookahead model. The first model applies the stochastic search to optimize the operation of power sources. The second model captures hourly variations of renewable energy over a year. The approach helps to find the optimal generation configuration under different market conditions. Copyright © 2019 for this paper by its authors. Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0).

关键词： Renewable energy resources

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Implication of the dark axion portal for the EDM of fermions and dark matter probing with NA64e, NA64µ, LDMX, M3, and BaBar

arXiv

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arXiv 2022年

作者： Zhevlakov, Alexey S. Kirpichnikov, Dmitry V. Lyubovitskij, Valery E. Bogoliubov Laboratory of Theoretical Physics JINR Dubna 141980 Russia Matrosov Institute for System Dynamics and Control Theory SB RAS Lermontov str. 134 Irkutsk664033 Russia Institute for Nuclear Research of the Russian Academy of Sciences Moscow117312 Russia Institut für Theoretische Physik Universität Tübingen Kepler Center for Astro and Particle Physics Auf der Morgenstelle 14 TübingenD-72076 Germany Departamento de Física Centro Científico Tecnológico de Valparaíso-CCTVal Universidad Técnica Federico Santa María Casilla 110-V Valparaíso Chile of ANID Fernández Concha 700 Santiago Chile Department of Physics Tomsk State University Tomsk634050 Russia Tomsk Polytechnic University Tomsk634050 Russia

The link between ordinary Standard model (SM) photon and both dark photon and axion like particle (ALP) can be introduced through the dark axion portal coupling. Given the dark axion portal setup, in the present paper we refer the dark photon as the mediator between SM and dark matter (DM) particles, implying that it decays predominantly into pair of DM fermions. Furthermore, we discuss in detail the implication of the dark axion portal scenario for the lepton (electron and muon) fixed target experiments. In particular, for the specific fixed target facility we study the missing energy signatures of the dark photon production followed by its invisible decay into stable DM particles. We investigated the potential to probe dark axion portal vertices with regarding signatures and derive the expected sensitivities of NA64e, NA64µ, LDMX and M3. Moreover, we estimated the expected reach of NA64e from the projected statistics of the J/ψ vector meson invisible decays. We also recasted BaBar monophoton bounds for the specific dark axion portal scenario. In addition, we modified the dark axion portal setup by including in the model both the hadron and lepton specific ALP couplings. As the result, we obtain the bounds on the combination of fermion-specific couplings of ALP from the fixed target experiments. We discuss the implication of the modified dark axion portal scenario for the electric dipole moments (EDM) of SM fermions. In addition, we derived the novel constraints on the combination of the CP-violating neutron-specific ALP couplings from the existing bounds on neutron EDM by taking into account the neutron anomalous magnetic moment. © 2022, CC BY.

关键词： Galaxies

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Digital monitoring of Lake Baikal and its coastal area 2

Digital monitoring of Lake Baikal and its coastal area

引用

2nd Scientific-Practical Workshop Information Technologies: Algorithms, Models, systems, ITAMS 2019

作者： Bychkov, Igor V. Ruzhnikov, Gennadii M. Khmelnov, Alexey E. Fedorov, Roman K. Madzhara, Taras I. Popova, Anastasia K. Matrosov Institute for System Dynamics and Control Theory Siberian Branch of Russian Academy of Sciences Lermontov st. 134 Irkutsk Russia Irkutsk Scientific Center Siberian Branch of Russian Academy of Sciences Lermontov st. 134 Irkutsk Russia Institute of Mathematics Economics and Informatics Irkutsk State University Gagarin Blvd. 20 Irkutsk Russia

The directions of the formation of a digital environmental monitoring system for Lake Baikal and its coastal territory are considered. An approach to its digitalization is proposed, based on the use of a service-oriented paradigm, infrastructure approach, and Web technologies. The collection of large volumes of digital data (Big Data) of environmental monitoring in a single data processing center will allow combining the speed of receiving, on-line transmission with information processing services about the current state of Lake Baikal, which will improve the quality of decisions. Copyright © 2019 for this paper by its authors.

关键词： Lakes

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