10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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- Petersburg Nuclear Physics InstituteRU1.8k papers
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39 papers · 1 filter
Primordial Black Holes
M. Yu. Khlopov
Primordial black holes (PBHs) are a profound signature of primordial cosmological structures and provide a theoretical tool to study nontrivial physics of the early Universe. The m…
Conformal Invariance in the Leigh-Strassler deformed N=4 SYM Theory
L. V. Bork, D. I. Kazakov, G. S. Vartanov +1
We consider a full Leigh-Strassler deformation of the SYM theory and look for conditions under which the theory would be conformally invariant and finite. Applying the…
Coherent effects in a thin film of metamaterial
Sergei Elyutin, Sergei Ozhenko, Andrei Maimistov
The refraction is theoretically considered of ultimately short pulses at interface of two dielectrics that contains a thin film of nonlinear metamaterial. For the model of metamate…
Gamow-Teller strength distributions for double-beta-decaying nuclei within continuum-QRPA
S. Yu. Igashov, V. A. Rodin, M. H. Urin +1
A version of the pn-continuum-QRPA is outlined and applied to describe the Gamow-Teller strength distributions for -decaying open-shell nuclei. The calculation results obtained…
Elastic proton-proton and proton-antiproton scattering: analysis of complete set of helicity amplitudes
V. A. Okorokov, S. B. Nurushev
The differential cross-sections are calculated for proton-proton and proton-antiproton elastic scattering using the phenomenological model based on the analytic parameterizations f…
Measurement of eta meson decays into lepton-antilepton pairs
WASA Collaboration, M. Berłowski, Chr. Bargholtz +50
A search for rare lepton decays of the eta meson was performed using the WASA detector at CELSIUS. Two candidates for double Dalitz decay eta->e+e-e+e- events are reported with a b…
Phenomenology of -CDM model: a possibility of accelerating Universe with positive pressure
Saibal Ray, Maxim Khlopov, Utpal Mukhopadhyay +1
Among various phenomenological models, a time-dependent model is selected here to investigate the -CDM cosmology. Using this model the expressions for the t…
Strong Interactive Massive Particles from a Strong Coupled Theory
Maxim Yu. Khlopov, Chris Kouvaris
Minimal walking technicolor models can provide a nontrivial solution for cosmological dark matter, if the lightest technibaryon is doubly charged. Technibaryon asymmetry generated…
Modeling interaction of relativistic and nonrelativistic winds in binary system PSR 1259-63/SS2883. I.Hydrodynamical limit
S. V. Bogovalov, D. Khangulyan, A. V. Koldoba +2
In this paper, we present a detailed hydrodynamical study of the properties of the flow produced by the collision of a pulsar wind with the surrounding in a binary system. This wor…
Diffractive photoproduction of dijets in ep collisions at HERA
ZEUS Collaboration, S. Chekanov
Diffractive photoproduction of dijets was measured with the ZEUS detector at the ep collider HERA using an integrated luminosity of 77.2 pb-1. The measurements were made in the kin…
The ALTCRISS project on board the International Space Station
M. Casolino, F. Altamura, M. Minori +19
The Altcriss project aims to perform a long term survey of the radiation environment on board the International Space Station. Measurements are being performed with active and pass…
Launch of the Space experiment PAMELA
M. Casolino, P. Picozza, F. Altamura +56
PAMELA is a satellite borne experiment designed to study with great accuracy cosmic rays of galactic, solar, and trapped nature in a wide energy range protons: 80 MeV-700 GeV, elec…
Measurement of D^0, D^+, D_s^+ and D^{*+} Production in Fixed Target 920 GeV Proton-Nucleus Collisions
B Collaboration
The inclusive production cross sections of the charmed mesons D^0, D^+, D_s^+ and D^{*+} have been measured in interactions of 920 GeV protons on C, Ti, and W targets with the HERA…
Scenario of inflationary cosmology from the phenomenological models
Saibal Ray, P. C. Ray, Partha Pratim Ghosh +2
Choosing the three phenomenological models of the dynamical cosmological term , viz., , and where is the cosmic scale facto…
Quantum Dot Version of Berry's Phase: Half-Integer Orbital Angular Momenta
V. D. Mur, N. B. Narozhny, A. N. Petrosyan +1
We show that Berry's geometrical (topological) phase for circular quantum dots with an odd number of electrons is equal to πand that eigenvalues of the orbital angular momentum run…
Forward-jet production in deep inelastic ep scattering at HERA
S. Chekanov
Forward jet cross sections have been measured in neutral current deep inelastic scattering at low Bjorken-x with the ZEUS detector at HERA using an integrated luminosity of ${81.8…
Conformal Invariance = Finiteness and Beta Deformed N=4 SYM Theory
D. I. Kazakov, L. V. Bork
We claim that if by a choice of the couplings the theory can be made conformally invariant (vanishing of the beta functions) it is automatically finite and vice versa. This is demo…
Forward Lambda Production and Nuclear Stopping Power in d + Au Collisions at sqrt(s_NN) = 200 GeV
STAR Collaboration, B. I. Abelev
We report the measurement of Lamda and Anti-Lamda yields and inverse slope parameters in d + Au collisions at sqrt(s_NN) = 200 GeV at forward and backward rapidities (y = +- 2.75),…
Measurement of (anti)deuteron and (anti)proton production in DIS at HERA
ZEUS Collaboration, S. Chekanov
The first observation of (anti)deuterons in deep inelastic scattering at HERA has been made with the ZEUS detector at a centre-of-mass energy of 300--318 GeV using an integrated lu…
Exact analytical expression for the electromagnetic field in a focused laser beam or pulse
Alexander M. Fedotov, Konstantin Yu. Korolev, Maxim V. Legkov
We present a new class of exact nonsingular solutions for the Maxwell equations in vacuum, which describe the electromagnetic field of the counterpropagating focused laser beams an…
Multijet production at low in deep inelastic scattering at HERA
ZEUS Collaboration, S. Chekanov
Inclusive dijet and trijet production in deep inelastic scattering has been measured for GeV and low Bjorken , . The data were…
Stability of C20 fullerene chains
L. A. Openov, I. V. Davydov, A. I. Podlivaev
The stability of (C20)N chains with N = 3 - 7 is analyzed by numerical simulation using a tight-binding potential and molecular dynamics. Various channels of losing the cluster-cha…
Optical Bistability in Nonlinear Optical Coupler with Negative Index Channel
Natalia M. Litchinitser, Ildar R. Gabitov, Andrei I. Maimistov
We discuss a novel kind of nonlinear coupler with one channel filled with a negative index material (NIM). The opposite directionality of the phase velocity and the energy flow in…
Enhanced strange baryon production in Au+Au collisions compared to p+p at sqrts = 200 GeV
STAR Collaboration, B. I. Abelev
We report on the observed differences in production rates of strange and multi-strange baryons in Au+Au collisions at sqrts = 200 GeV compared to pp interactions at the same energy…