

Physics of Elementary Particles and Atomic Nuclei

Archive (1970  2016)  Editorial board  Guidance for Authors 
Part 1  up 
XIV International Seminar on Electromagnetic Interactions of Nuclei "EMIN2015" (Moscow, October 58, 2015) (179.502) Abstracts 

Kuzyakin R.A., Sargsyan V.V., Adamian G.G., Antonenko N.V. Quantum Diffusion Description of LargeAmplitude Collective Nuclear Motion (rus, 3.112.241) Within the microscopic quantum diffusion approach, the method to calculate the probability of passing through the parabolic barrier and the quasistationary thermal decay rate from a metastable state is developed. The method is used both in the limit of linear coupling in the momentum between the collective subsystem and environment and in the more general limit of linear coupling in the momentum and the coordinate. In terms of the considered approach, the capture process of the projectile by the target nucleus is studied at bombarding energies near and below the Coulomb barrier. The analytical expression for partial capture probability which defines the formation cross section of a dinuclear system is derived. The total and partial capture cross sections, mean and meansquare angular momenta of the captured systems, astrophysical Sfactors, logarithmic derivatives, and barrier distributions are calculated for various reactions. The effects of entrance channel, isotopic composition, and nuclear deformation of interacting nuclei and neutron transfer between them on capture cross section are studied. The effects of nuclear deformation and neutron transfer between interacting nuclei, the isotopic dependence of capture cross section, the entrance channel effects on capture process are studied. The calculated results for the reactions with spherical and deformed nuclei are in a good agreement with available experimental data. 

Part 2  up 
To the 80th Anniversary of the Birth of Academician Vladimir Georgievich Kadyshevsky (108.992) 

Fronsdal C. Action Principles for Hydro and Thermodynamics: Review and Prospects (40.178) A Hamiltonian formulation of hydrodynamics is well known for the case of purely irrotational flows and it now exists in a more general case as well. The minimal extension of the action principle is obtained from two axioms: 1. That the number of independent degrees of freedom is 4, as in standard hydrodynamics. 2. That the equation of continuity must be one of the Euler–Lagrange equations, and that it allows for vorticity. Applications include: 1. Couette flow with a new criterion for the breakdown of laminar motion. 2. A rotating source for Einstein's equation that respects the Bianchi identity. 3. A new approach to the electromagnetism of fluids. 4. A rigorous virial theorem for fluids. 5. A critique of the current state of the theory of atmospheres. Abstracts 

Todorov I. Renormalization of Position Space Amplitudes in a Massless QFT (46.526) Renormalization of Position Space Amplitudes in a Massless QFT Ultraviolet renormalization of position space massless Feynman amplitudes has been shown to yield associate homogeneous distributions. Their degree is determined by the degree of divergence while their order — the highest power of logarithm in the dilation anomaly — is given by the number of (sub)divergences. In the present paper we review these results and observe that (convergent) integration over internal vertices does not alter the total degree of (superficial) ultraviolet divergence. For a conformally invariant theory, internal integration is also proven to preserve the order of associate homogeneity. The renormalized 4point amplitudes in the φ^{4} theory (in four spacetime dimensions) are written as (nonanalytic) translation invariant functions of four complex variables with calculable conformal anomaly. Our conclusion concerning the (offshell) infrared finiteness of the ultraviolet renormalized massless φ^{4} theory agrees with the old result of Lowenstein and Zimmermann (Lowenstein J. H., Zimmermann W. On the Formulation of Theories with ZeroMass Propagators // Nucl. Phys. B. 1975. V.86. P.77—103). Abstracts 

Troshin S. M., Tyurin N. E. Inelastic Diffraction at the LHC (rus, 187.886) The relativistic scattering is one of the scientific fields where Academician V. G. Kadyshevsky has made an important and highly cited contribution. In this paper, we discuss the highenergy dependences of diffractive and nondiffractive inelastic cross sections in view of the recent LHC data which reveal the presence of reflective scattering mode. 

Chizhov M. V. On the Problem of Properties of LowLying Spin1 Hadron Resonances (rus, 500.952) This review is dedicated to the description of the properties of lowlying spin1 hadron resonances. It is shown how to extend the NambuJonaLasinio model with new tensor interactions in chiral invariant way. New mass formulas are obtained that are not based on groups of unitary symmetry, and include particles from different multiplets even with opposite parity. All of them are in good agreement with the experimental data. The dynamic properties of spin1 mesons are understood and explained. They are confirmed by the QCD sum rules and lattice calculations. 

Belokurov V. V., Shavgulidze E. T. Unusual Properties of Functional Integrals and the Groups of Diffeomorphisms (rus, 369.901) We give a review of the papers of the authors where some consequences of the quasiinvariance of the Wiener functional integrals under the action of the group of diffeomorphisms and the behavior of the functional integrals under the nonlinear nonlocal substitutions are studied. In particular, such substitutions make it possible to define the functional integrals over the discontinuous trajectories. We propose some simple quantum field theory (Euclidean) models where the presence of the hidden symmetries or the discontinuous trajectories in functional integration lead to a series of paradoxical properties that are contrary to the common intuition. 

Soloviev V. O. Hamiltonian Cosmology of Bigravity (rus, 362.677) This article is written as a review of the Hamiltonian formalism for the bigravity with de Rham–Gabadadze–Tolley (dRGT) potential, and also of applications of this formalism to the derivation of the background cosmological equations. It is demonstrated that the cosmological scenarios are close to the standard ΛCDM model, but they also uncover the dynamical behaviour of the cosmological term. This term arises in bigravity regardless of the choice of the dRGT potential parameters, and its scale is given by the graviton mass. Various matter couplings are considered. 

MirKasimov R. M. Noncommutative SpaceTime and Relativistic Dynamics Some aspects of the approach to the quantum theory with noncommutative geometry (NCG) based in general on the nonEuclidean momentum space are considered. Abstracts 

Rodionov V. N. Exotic Fermions in Kadyshevsky's Theory and the Possibilities of Their Detection (rus, 257.561) As is known, the main works of V. G. Kadyshevsky are devoted to the construction of geometric approach to the creation of quantum field theory with restriction of the elementary particles' mass spectrum. NonHermitian operators arising in this case seemed a very serious obstacle on the way of creating a consistent theory. In recent years, these problems were rectified and now we have received considerable development of these physical researches with limiting mass using a pseudoHermitian algebraic approach to the construction of a quantum theory. The central point of such theories is the construction of 𝒫𝒯symmetric nonHermitian Hamiltonians that have real eigenvalues. It is important to note that among the numerous works on this subject we can find not only purely theoretical but also experimental works, as, for example, in the case of nonHermitian optics. In this regard, we believe that the development of pseudoHermitian relativistic quantum theory with a Maximal Mass can create very favorable conditions to discuss the possibility of experimental verification of the theoretical results obtained in this area. Kadyshevsky saw an important prediction of his theory in the hypothesis of the existence of new particles that he named "the exotic fermions". In particular, the possibility of detecting exotic neutrino in precise experiments for determination of neutrino mass is discussed in this article. 

Part 3  up 
Buchbinder I. L., Ivanov E. A., Samsonov I. B. The LowEnergy 𝒩 = 4 SYM Effective Action in Diverse Harmonic Superspaces (eng, 52.340) 

Inozemtsev V. I. Classical Integrable ManyBody Systems Disconnected with SemiSimple Lie Algebras (eng, 34.635) 

Pankov A. A., Serenkova I. A., Tsytrinov A. V., Bednyakov V. A. Prospects for Identification of Direct and Indirect Effects of Extra Spatial Dimensions at the Large Hadron Collider (rus, 1.752.891) 

Artiomov A. S. Methods of Organization of the Interaction of Circulating Particle Beams with Internal Targets for NuclearPhysical Experiments at the Synchrotrons and Storage Rings (rus, 1.554.644) 

Basiladze S. G. ÐReal Signal and Its States (rus, 494.212) 

Part 4  up 
Hadjiivanov L., Furlan P. Quantum Groups as Generalized Gauge Symmetries in WZNW Models. Part I. The Classical Model (51.258 Êb) WessZuminoNovikovWitten (WZNW) models over compact Lie groups G constitute the best studied class of (twodimensional, 2D) rational conformal field theories (RCFTs). A WZNW chiral state space is a finite direct sum of integrable representations of the corresponding affine (current) algebra, and the correlation functions of primary fields are monodromy invariant combinations of left times right sector conformal blocks solving the KnizhnikZamolodchikov equation. However, even in this very well understood case of 2D RCFT, the «internal» (gauge) symmetry that governs the ensuing fusion rules remains unclear. On the other hand, the canonical approach to the classical chiral WZNW theory developed by Faddeev, Alekseev, Shatashvili, Gawędzki and Falceto reveals its PoissonLie symmetry. After a covariant quantization, the latter gives rise to an associated quantum group symmetry which naturally requires an extension of the state space. This paper contains a review of earlier work on the subject with a special emphasis, in the case G = SU(n), on the emerging chiral «WZNW zero modes» which provide an adequate algebraic description of the internal symmetry structure of the model. Combining further left and right zero modes, one obtains a specific dynamical quantum group, the structure of its Fock representation resembling the axiomatic approach to gauge theories in which a «restricted» quantum group plays the role of a generalized gauge symmetry. Abstracts 

Hadjiivanov L., Furlan P. Quantum Groups as Generalized Gauge Symmetries in WZNW Models. Part II. The Quantized Model (50.922 Êb) This is the second part of a paper dealing with the «internal»(gauge) symmetry of the WessZuminoNovikovWitten (WZNW) model on a compact Lie group G. It contains a systematic exposition, for G = SU(n), of the canonical quantization based on the study of the classical model (performed in the first part) following the quantum group symmetric approach first advocated by L. D. Faddeev and collaborators. The internal symmetry of the quantized model is carried by the chiral WZNW zero modes satisfying quadratic exchange relations and an nlinear determinant condition. For generic values of the deformation parameter the Fock representation of the zero modes' algebra gives rise to a model space of U_{q} (s𝓁(n)). The relevant root of unity case is studied in detail for n=2 when a «restricted» (finite dimensional) quotient quantum group is shown to appear in a natural way. The module structure of the zero modes' Fock space provides a specific duality with the solutions of the KnizhnikZamolodchikov equation for the fourpoint functions of primary fields suggesting the existence of an extended state space of logarithmic CFT type. Combining left and right zero modes (i.e., returning to the 2D model), the rational CFT structure shows up in a setting reminiscent of covariant quantization of gauge theories in which the restricted quantum group plays the role of a generalized gauge symmetry. Abstracts 

Slavnov D. A. Quantum Erasure and Locality Problem (rus, 218.572 Êb) The locality problem in the experiments of the quantum erasure is considered within the framework of the algebraic approach. Contrary to the opinion widely distributed now, we demonstrate that the results of these experiments can be reconciled with the assumption that there exists some local physical reality determining the results of local measurements. A clear physical interpretation of these experiments that does not contradict classical concepts is provided. 

Denisenko I., Guskov A., Mitrofanov E. Hadron Structure and Spectroscopy at COMPASS: Overview of Certain Tasks (218.572 Êb) CCOMPASS is a fixedtarget experiment at CERN with a long history and intense and diverse physics programme. In the review we consider particular points of the existing and possible future programme: test of the chiral theory predictions with hadron beam, search for exotic charmonia, study of the EMC effect in the DrellYan process, search for production of bound p\bar p states, and study of prompt photon production in hadronic interactions. Abstracts 

Bystritsky V. M., Bystritsky Vit. M., Dudkin G. N., Nechaev B. A., Padalko V. N. High Current Pulsed Ion Hall Accelerator for Experimental Investigation of the Reactions between Light Nuclei in the Astrophysical Energy Range (rus, 855.678 Êb) The factors of determining the restrictions of current characteristics of the ion diode with magnetic isolation (IDM) are considered. For a specific design of IDM40 intended for acceleration of heavy ions for investigation of nuclear reactions with small cross sections in the astrophysical energy range of particles in the entrance channel (240 keV), the specific current characteristics close to greatest possible are obtained. It is experimentally shown that the pickedup optimum operating conditions of the IDM40 elements provide high stability of parameters (energy distribution and structure of the accelerated particle beams, extent of neutralization) of the accelerated particle beams during the pulse. 

Part 5  up 
Achasov N. N. 37 Years with the Light Scalar Mesons. The Learned Lessons (48.541) Abstracts 

Alekseev V. V., Belotsky K. M., Bogomolov Yu. V., Budaev R. I.,
Galper A. M., Dunaeva O. A., Kirillov A. A., Kuznetsov A. V.,
Lukyanov A. D., Mayorov A. G., Mayorova M. A., Malakhov V. V.,
Mosichkin A. F., Okrugin A. A., Rodenko S. A., Shitova A. M. Review of the Results of Measurements of the Charged Components of Galactic Cosmic Rays Fluxes in the PAMELA and AMS02 Experiments (rus, 176.781) 

Bagulya A. V., Dalkarov O. D., Negodaev M. A., Rusetskii A. S. LowEnergy Nuclear Reactions in the Crystal Structures (rus, 887.395) 

Bednyakov A. V. An Advanced Precision Analysis of the SM Vacuum Stability (37.520) Abstracts 

Ebert D., Faustov R. N., Galkin V. O. Baryon Properties in the Relativistic Quark Model (41.848) Abstracts 

Galper A., Spillantini P. on behalf of the PAMELA Collaboration Ten Years of CR Physics with PAMELA (41.848) Abstracts 

Golutvin I. A., Shmatov S. V. Physics Results and Prospects of the CMS Experiment at the LHC (rus, 1.729.554) 

Kekelidze V. D., Matveev V. A., Meshkov I. N., Sorin A. S., Trubnikov G. V. Project Nuclotronbased Ion Collider fAcility at JINR (56.341) Abstracts 

Stavinskiy A. V. Dense Cold Baryonic Matter (rus, 83.877) Abstracts 

Boos E. E., Keizerov S. I., Rakhmetov E. R., Svirina K.S. Comparison of Higgs Boson Pair Production and Associated Radion and Higgs Boson Production Processes (rus, 181.983) 

Bunin P. D., Zarubin A. V. on behalf of the CMS Collaboration Upgrade of the Hadron Endcap System of the CMS Experiment at the LHC (rus, 970.177) 

Cheremushkina E. Semileptonic (Lepton, Neutrino, and Jets) WW/WZ Resonances Searches at √s = 8 and 13 TeV with the ATLAS Detector at the LHC (48.582) Abstracts 

ÄDydyshka Ya. V., Yermolchyk V. L., Suarez J. H., Shumeiko N. M. LePaProGen – Lepton Pair Production Generator (rus, 288.108) 

Fedin O. Measurement of the Angular Coefficients in Leptonic ZBoson Decays with the ATLAS Detector at the LHC (rus, 158.783) 

Fedotovich G. V. on behalf of the CMD3 Collaboration Measurement of the Hadronic Cross Sections of e^{+} e^{–} → K^{+} K^{–} nπ (n = 1, 2, 3) Processes with the CMD3 Detector at VEPP2000 ElectronPositron Collider} ÂÝÏÏ2000 (rus, 285.359) 

Godunov S. I. Diphoton Resonance and New Physics at 1 TeV (41.188) Abstracts 

Kovalenko O. A. on behalf of the CMD3 Collaboration Measurement of the e^{+} e^{–} → π^{+} π^{– }π^{0} Cross Section with the CMD3 (rus, 153.261) 

Kurepin À. B., Topilskaya N. S. Fixed Target Project AFTER at the LHC Beams for Heavy Ion and Hadron Physics (rus, 100.038) 

Lanyov A. V. on behalf of the CMS Collaboration CMS Results on Searching for Heavy Dilepton and Diphoton Resonances (rus, 511.369) 

Makhaldiani N. Renormdynamics of Coupling Constants and Masses (29.714) Abstracts 

Palichik V., Voytishin N. New CSC Segment Builder Algorithm with Monte Carlo TeV Muons in CMS Experiment (33.613) Abstracts 

Perelygin V. V. on behalf of the CMS Collaboration Performance of the CMS ME1/1 Muon Station (rus, 2.908.252) 

Petrukhin A. A., Bogdanov A. G. Heavy Particles at the LHC and in Cosmic Rays (rus, 849.047) 

Shmatov S. V. Physics of Standard Model with the CMS Experiment at the LHC (rus, 1.697.814) 

Smirnova L. N., Turchikhin S. M. Muon and BPhysics Trigger of the ATLAS Experiment in Run2 (rus, 293.103) 

Solodkov A. A. on behalf of the ATLAS Collaboration Electroweak Diboson Production at ATLAS (42.315) Abstracts 

Bork L. V., Onishchenko A. I. Form Factors with q^{2} = 0 and Grassmannians in N = 4 SYM Theory (52.002) Abstracts 

Bork L. V., Onishchenko A. I. OffShell Amplitudes and Grassmannians (44.567) Abstracts 

Das C. R., Laperashvili L. V., Nielsen H. B. New LHC Resonance with Mass of 750 GeV and the Vacuum Stability in the Standard (46.162) Abstracts 

Dubinin M. N., Petrova E. Yu. ÑHeavy Supersymmetry with $m_{h} = 125 GeV in the Effective Field Theory Approach (46.875) Abstracts 

Faustov R. N., Martynenko A. P., Martynenko F. A., Sorokin V. V. Nuclear Radiative Recoil Corrections to the Hyperfine Structure of SStates in Muonic Hydrogen (44.283) Abstracts 

Gurskaya A. V., Dolgopolov M. V., Rykova E. N. Higgs Bosons in the SM Extensions (121.753) Abstracts 

Karpishkov A. V., Nefedov M. A., Saleev V. A., Shipilova A. V. Hard Processes at High Energies in the Parton Reggeization Approach (rus, 86.970) 

Kotikov A. V., Shaikhatdenov B. G. Q^{2} Evolution of Parton Densities at Small x Values. Charm Contribution in the Combined H1&ZEUS F_{2} Data (42.815) Abstracts 

Krutov A. A., Martynenko A. P., Martynenko F. A., Sukhorukova O. S. Theory of the Lamb Shift in Muonic Ions μLi, μBe, μB (49.040) Abstracts 

Kuvshinov V., Bagashov E. Decoherence of Quantum States in QCD Vacuum (rus, 80.622) 

Monakhov V. V. Construction of the Fermionic Vacuum and Fermionic Creation\\ and Annihilation Operators in the Theory of Algebraic Spinors (rus, 91.205) 
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