123 research outputs found
Calculation of the potential for interaction of particles with complex atomic structures
No full textWe present a method for calculation of the potential and related physical quantities experienced by a particle traversing an aligned periodic complex atomic structure. Classical physics equations and the expansion of periodic functions as a Fourier series have been used for the calculation. Based on this method, we have developed the ECHARM program, which calculates one- and two-dimensional averaged physical quantities of interest along the main axes of any orthorhombic and tetragonal structure. For the case of cubic symmetry, the calculation holds for any orientation. Complex structures such as zeolites have been worked out to show the capability of the program. © 2010 The American Physical Society
ECHARM - A software for calculation of physical quantities of interest in coherent interaction of relativistic particles with crystals
No full textWe present an analytical model to calculate the
physical quantities of interest experienced by relativistic
particles in their motion aligned with periodic complex
atomic structure. Classical physics equations and the
expansion of periodic functions as a Fourier series have
been used for the calculation. This method allows to
calculate the contribution from all the planes and axes
inside the crystal, in contrast to other simulation codes for
which the motion is evaluated only on nearest neighbors
atomic strings. Based on the calculation technique we
have developed the “ECHARM” program, which allows
to calculate one- and two- dimensional averaged physical
quantities of interest. The calculation holds for the main
axes of any orthorhombic and tetragonal structures and
for any orientation in the cubic structure. To underline the
capability of the program, complex structures such as
zeolites have been worked out. Based on the “ECHARM”
code, simulation of the relativistic particle motion within
complex structures has been developed. With this code it
is possible to simulate the motion in bent crystal to study
planar and axial channeling volume reflection
Channeling radiation of multi-GeV positrons in single crystals
No full textThe process of radiation of 120 GeV positrons moving in a channeling regime in (011) plane of a single crystal was considered. At the beginning on the basis of the theory of nonlinear oscillations, the trajectory of moving positrons at different initial conditions was derived. Then taking into account the nonlinearity of motion, the distribution function over oscillation amplitudes of channeling particles was found. After this, the intensity of radiation at different initial conditions was calculated with the help of two various methods. These results may be useful for comparison with experimental data at positron energies from 100 and more GeV
Photoproduction of electron-positron pairs in bent single crystals
No full textThe process of photoproduction of electron-positron pairs in bent single crystals is considered. This consideration is based on the theory of coherent pairproduction in straight single crystals and take into account the linear polarization of the photon beam. In particular, it is shown that the probability of the process for gamma quanta with energies from 100 GeV is significantly higher than the one in an amorphous medium. The positive features of the photoproduction in bent crystals compared to straight ones are underlined from the point of view of possible applications
JETP Letters V. 82, I .09
No full textJETP Letters -- November 10, 2005
Volume 82, Issue 9, pp. 551-615
FIELDS, PARTICLES, AND NUCLEI
Two-Body Correlation Functions in Nuclear Matter with Neutron–Proton Condensate
A. A. Isayev
pp. 551-556 Full Text: PDF (76 kB)
QCD String and the Lorentz Nature of Confinement
A. V. Nefediev and Yu. A. Simonov
pp. 557-561 Full Text: PDF (61 kB)
ATOMS, SPECTRA, RADIATIONS
First Results of Investigation of Radiation from Positrons in a Crystalline Undulator
V. T. Baranov, S. Bellucci, V. M. Biryukov, G. I. Britvich, C. Balasubramanian, V. Guidi, G. Giannini, V. N. Zapolsky, V. I. Kotov, A. E. Kushnirenko, V. A. Maisheev, G. Martinelli, E. Milan, V. A. Pikalov, V. I. Terekhov, U. Uggerhoj, V. N. Chepegin, and Yu. A. Chesnokov
pp. 562-564 Full Text: PDF (47 kB)
PLASMA, GASES
Suppression of High-Frequency Turbulent Oscillations of the Fluid Surface by Additional Low-Frequency Pumping
M. Yu. Brazhnikov, G. V. Kolmakov, A. A. Levchenko, and L. P. Mezhov-Deglin
pp. 565-569 Full Text: PDF (123 kB)
Formal Stability of Three-Dimensional Flows of an Ideal Conducting Fluid
V. I. Ilgisonis and I. V. Khalzov
pp. 570-574 Full Text: PDF (56 kB)
CONDENSED MATTER
Manifestation of the Superconducting Pairing of Repulsive Particles with a Large Total Momentum in Andreev Reflection
Yu. V. Kopaev and V. M. Sofronov
pp. 575-579 Full Text: PDF (66 kB)
Origin of Incommensurate Spin Modulation in La2 – xSrxCuO4
K. V. Mitsen and O. M. Ivanenko
pp. 580-585 Full Text: PDF (348 kB)
Threshold Structural Transition in Nematics in Homogeneous Ultrasonic Fields
O. A. Kapustina
pp. 586-589 Full Text: PDF (50 kB)
Observation of Electric Polarization in Gd1 – xSrxMnO3 (x = 0.5, 0.6, 0.7) Single Crystals
A. M. Kadomtseva, Yu. F. Popov, G. P. Vorob'ev, V. Yu. Ivanov, A. A. Mukhin, and A. M. Balbashov
pp. 590-593 Full Text: PDF (63 kB)
Magnetostructural Phase Separation and Giant Isotope Effect in R0.5Sr0.5MnO3
A. M. Balagurov, I. A. Bobrikov, V. Yu. Pomyakushin, D. V. Sheptyakov, N. A. Babushkina, O. Yu. Gorbenko, M. S. Kartavtseva, and A. R. Kaul'
pp. 594-598 Full Text: PDF (76 kB)
Surface-Plasmon Vortices in Nanostructured Metallic Films
A. A. Ezhov, S. A. Magnitskii, N. S. Maslova, D. A. Muzychenko, A. A. Nikulin, and V. I. Panov
pp. 599-602 Full Text: PDF (118 kB)
Irreversible Electronic Transition with Possible Metallization in Y3Fe5O12 at High Pressure
A. G. Gavriliuk, V. V. Struzhkin, I. S. Lyubutin, and I. A. Trojan
pp. 603-608 Full Text: PDF (97 kB)
Jahn–Teller Magnet TbVO4 in a Strong Magnetic Field up to 50 T
Z. A. Kazei, V. V. Snegirev, J.-M. Broto, and H. Rakoto
pp. 609-612 Full Text: PDF (69 kB)
MISCELLANEOUS
Physical Properties and Structure of Bound Water in Collagen-Type Fibrillar Proteins as Studied by Scanning Calorimetry
S. P. Gabuda, A. A. Gaidash, V. A. Drebushchak, and S. G. Kozlova
pp. 613-615 Full Text: PDF (124 kB)Archived web conten
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No full textThe activity of IHEP (Protvino) is made on some directions within the framework of the INTAS program. Experiments to study the volume reflection effect and the capability of its use in the beam scraper and extraction systems are planned. Both analytical estimation and computer simulation of these processes at the Y-70 with silicon, tungsten and carbon crystals are performed. Possibility of volume reflection in crystals for ultra-high protons at accelerators like SPS and LHC is studied
JETP Letters V. 67, I .10
No full textJETP Letters -- May 25, 1998
Volume 67, Issue 10, pp. 761-874
Enhanced electroweak radiative corrections in SUSY: gluon-free observables
I. V. Gaidaenko, A. V. Novikov, V. A. Novikov, A. N. Rozanov, and M. I. Vysotsky
Full Text: PDF (78 kB)
Phenomenology of SU(3) [direct-product] SU(2) [direct-product] U(1) supersymmetric model with Dirac neutrino masses
N. V. Krasnikov
Full Text: PDF (70 kB)
Investigation of the reaction D(e,pp)e[prime] pi– on a tensor-polarized deuterium target at high proton momenta
A. Yu. Loginov, A. V. Osipov, A. A. Sidorov, V. N. Stibunov, B. B. Voitsekhovskii, D. M. Nikolenko, S. G. Popov, I. A. Rachek, D. K. Toporkov, and E. P. Tsentalovich
Full Text: PDF (122 kB)
Study of Delta(1232) isobar electroproduction at the VEPP-2M e+e– collider
M. N. Achasov, A. V. Bozhenok, A. D. Bukin, D. A. Bukin, S. V. Burdin, T. V. Dimova, S. I. Dolinsky, V. P. Druzhinin, M. S. Dubrovin, I. A. Gaponenko, V. B. Golubev, V. N. Ivanchenko, A. A. Korol, S. V. Koshuba, A. P. Lysenko, E. V. Pakhtusova, V. V. Shary, Yu. M. Shatunov, V. A. Sidorov, Z. K. Silagadze, S. I. Serednyakov, A. A. Valishev, and Yu. V. Usov
Full Text: PDF (106 kB)
First results of experiments on high-efficiency single-crystal extraction of protons from the U-70 accelerator
A. G. Afonin, V. M. Biryukov, V. A. Gavrilushkin, V. N. Gres', B. A. Zelenov, V. I. Kotov, V. A. Maisheev, A. V. Minchenko, V. N. Terekhov, E. F. Troyanov, Yu. A. Chesnokov, M. G. Gordeeva, A. S. Denisov, Yu. M. Ivanov, A. A. Petrunin, V. V. Skorobogatov, and B. A. Chunin
Full Text: PDF (152 kB)
Experimental check of the dispersion law for ultracold neutrons
I. V. Bondarenko, A. V. Krasnoperov, A. I. Frank, S. N. Balashov, S. V. Masalovich, V. G. Nosov, P. Geltenbort, P. Hoghoj, A. G. Klein, and A. Cimmino
Full Text: PDF (101 kB)
Observation of truly cold fragmentation of a heavy nucleus
A. A. Goverdovskii, V. V. Ketlerov, V. F. Mitrofanov, Yu. B. Ostapenko, and V. A. Khryachkov
Full Text: PDF (45 kB)
Generation of sub-Poisson light by a single-mode two-level laser with incoherent pumping
A. V. Kozlovskii and A. N. Oraevskii
Full Text: PDF (99 kB)
Experimental observation of optical diffraction radiation
I. E. Vnukov, B. N. Kalinin, G. A. Naumenko, D. V. Padalko, A. P. Potylitsyn, and O. V. Chefonov
Full Text: PDF (78 kB)
Long-lived electronic–deformation excitations in a polyacetylene chain — the photoexcitation spectrum
R. I. Rokitskii, D. Yu. Parashchuk, T. A. Kulakov, and V. M. Kobryanskii
Full Text: PDF (87 kB)
Hot-electron-pumped K-shell x-ray laser
F. N. Chukhovskii, P. Gibbon, I. Uschmann, and E. Förster
Full Text: PDF (87 kB)
Spin waves in classical gases
T. L. Andreeva and P. L. Rubin
Full Text: PDF (97 kB)
Efficient photoluminescence from triangular quantum wells at the interface of an InP/In0.53Ga0.47As heterostructure
É. L. Nolle and A. M. Prokhorov
Full Text: PDF (88 kB)
On the nature of the influence of an electric current on the magnetically stimulated microplasticity of Al single crystals
V. I. Al'shits, E. V. Darinskaya, E. Yu. Mikhina, and E. A. Petrzhik
Full Text: PDF (95 kB)
Discrete tunneling of holes in porous silicon
E. S. Demidov, V. V. Karzanov, and V. G. Shengurov
Full Text: PDF (133 kB)
Investigations of the magnetic structure of the surface and volume of aluminum-substituted Sr–M type hexaferrites
A. S. Kamzin, V. L. Rozenbaum, and L. P. Ol'khovik
Full Text: PDF (72 kB)
Periodic character of the phase transformation in steel accompanying reflection of converging shock waves from the center of focusing
A. É. Kheifets, N. Yu. Frolova, V. I. Zel'dovich, B. V. Litvinov, and N. P. Purygin
Full Text: PDF (731 kB)
Nonchiral ferroelectric smectic-C films
P. O. Andreeva, V. K. Dolganov, C. Gors, R. Fouret, and E. I. Kats
Full Text: PDF (99 kB)
Tunneling resonances in structures with a two-step barrier
Yu. N. Khanin, E. E. Vdovin, Yu. V. Dubrovskii, K. S. Novoselov, and T. G. Andersson
Full Text: PDF (77 kB)
Anharmonicity of Bloch oscillations in GaAs/AlAs superlattices in the case of inhomogeneously broadened excitonic states in a weak electric field
K. L. Litvinenko, I. Okhrimenko, K. Köhler, V. G. Lysenko, K. Leo, and F. Löser
Full Text: PDF (115 kB)Archived web conten
Emission of photons by positrons channeled in single crystals near an energy of 100 GeV
No full textEmission by 120-GeV positrons in the channeling regime in the (011) plane of a silicon single crystal has been considered. Trajectories of positrons under different initial conditions have been calculated within the theory of nonlinear oscillations. The amplitude distribution function of channeled particles has been determined taking into account the nonlinearity of their motion. The intensity of radiation under various initial conditions has been calculated by two different methods. These results can be useful for comparison with experimental data at energies of positrons beginning with 100 GeV and higher
Physics of Atomic Nuclei V. 68, I. 06
No full textPhysics of Atomic Nuclei -- June 2005
Volume 68, Issue 6, pp. 909-1078
NUCLEI
Theory
Isotopic Dependence of the Shape of Se Nuclei in the Collective-Model Representation
O. I. Davidovskaya, I. E. Kashuba, and Yu. V. Porodzinsky[dagger]
pp. 909-920 Full Text: PDF (242 kB)
Magnetic Resonances in the Electroexcitation of the 26Mg Nucleus
N. G. Goncharova and N. D. Pronkina
pp. 921-927 Full Text: PDF (210 kB)
Energy and Mass Dependences of the Parameters of the Semimicroscopic Folding Model for Alpha Particles at Low and Intermediate Energies
K. A. Kuterbekov, I. N. Kukhtina, Yu. E. Penionzhkevich, and T. K. Zholdybayev
pp. 928-939 Full Text: PDF (392 kB)
Elastic and Inelastic Scattering of 800-MeV Protons on 16O and 20Ne Nuclei
Yu. A. Berezhnoy, V. P. Mikhailyuk, and V. V. Pilipenko
pp. 940-947 Full Text: PDF (305 kB)
ELEMENTARY PARTICLES AND FIELDS
Experiment
Measurement of the Charge Asymmetry of the Dalitz Plot Parameters for K±-->pi±pi0pi0 Decays
G. A. Akopdzhanov, V. B. Anikeev, V. A. Bezzubov, I. A. Vasilyev, Yu. V. Gilitsky, S. N. Gurzhiev, S. P. Denisov, A. A. Durum, S. A. Zvyagintsev, A. V. Kozelov, E. A. Kozlovsky, V. M. Korablev, V. I. Koreshev, V. I. Kurbakov, V. V. Lipaev, V. A. Onuchin, A. M. Rybin, Yu. M. Sapunov[dagger], M. M. Soldatov, D. A. Stoyanova, K. I. Trushin, A. A. Schukin, and V. I. Yakimchuk
pp. 948-959 Full Text: PDF (425 kB)
Investigation of the etaeta System in pi–p Interactions at a Momentum of 32.5 GeV/c at the GAMS-4pi Spectrometer
F. Binon, A. M. Blik, S. V. Donskov, S. Inaba, V. N. Kolosov, A. A. Lednev, V. A. Lishin, Yu. V. Mikhailov, J. P. Peigneux, V. A. Polyakov, S. A. Sadovsky, V. D. Samoilenko, A. E. Sobol, J. P. Stroot, V. P. Sugonyaev, K. Takamatsu, T. Tsuru, I. Fujii, G. V. Khaustov, H. Shimizu, and Y. Yasu
pp. 960-973 Full Text: PDF (342 kB)
Observation of a Narrow Baryon Resonance Decaying to pK0S in Proton–Nucleus Interactions at 70 GeV/c with the SVD-2 Setup
A. N. Aleev et al. (SVD Collaboration)
pp. 974-981 Full Text: PDF (240 kB)
Inclusive Neutral-Pion Production in dC and dCu Interactions at a Momentum of 4.5 GeV/c per Nucleon
Kh. U. Abraamyan, M. A. Kozhin, G. L. Melkumov, M. N. Khachaturian, and A. H. Khudaverdyan
pp. 982-990 Full Text: PDF (228 kB)
Measurement of the Tensor Ayy and Vector Ay Analyzing Powers of the Deuteron Inelastic Scattering of Beryllium at 5.0 GeV/c and 178 mrad
L. S. Azhgirey, S. V. Afanasiev, A. Yu. Isupov, V. I. Ivanov, A. N. Khrenov, V. P. Ladygin, N. B. Ladygina, A. G. Litvinenko, V. F. Peresedov, N. P. Yudin, V. N. Zhmyrov, and L. S. Zolin
pp. 991-998 Full Text: PDF (256 kB)
Theory
Effects of the Mixing of Scalar and Pseudoscalar Higgs Bosons in the Process e+e– --> e+e–bb-bar at a Future Linear Electron–Positron Collider
A. A. Likhoded and A. E. Chalov
pp. 999-1006 Full Text: PDF (218 kB)
An Additional Symmetry in the Weinberg–Salam Model
B. L. G. Bakker, A. I. Veselov, and M. A. Zubkov
pp. 1007-1015 Full Text: PDF (472 kB)
PROCEEDINGS OF THE CONFERENCE "PHYSICS OF FUNDAMENTAL INTERACTIONS" DEDICATED TO THE 100th ANNIVERSARY OF A.I. ALIKHANOV'S BIRTH, SECTION OF NUCLEAR PHYSICS, DIVISION OF PHYSICAL SCIENCES, RUSSIAN ACADEMY OF SCIENCES; INSTITUTE OF THEORETICAL AND EXPERIMENTAL PHYSICS, MOSCOW, MARCH 1–5, 2004
Primary Chemical Reactions Induced by Radioactive Nuclear Transformations
V. M. Byakov, L. A. Kulikov, Yu. D. Perfil'ev, and S. V. Stepanov
pp. 1016-1024 Full Text: PDF (215 kB)
Use of Oriented Crystals at High-Energy Accelerators
V. I. Kotov, A. G. Afonin, V. T. Baranov, V. M. Biryukov, Yu. M. Ivanov, A. A. Kardash, V. A. Maisheev, V. I. Terekhov, E. F. Troyanov, Yu. S. Fedotov, V. N. Chepegin, and Yu. A. Chesnokov
pp. 1025-1033 Full Text: PDF (185 kB)
Beta Decay in the Field of an Electromagnetic Wave and Experiments on Measuring the Neutrino Mass
O. F. Dorofeev and A. E. Lobanov
pp. 1034-1037 Full Text: PDF (144 kB)
New Aspects of Experimental Study of the Pion–Nucleon Interaction in the Resonance Region
V. V. Sumachev (PNPI–ITEP Collaboration)
pp. 1038-1041 Full Text: PDF (114 kB)
Chiral Self-Gravitating Cosmic Vortices
Yu. P. Rybakov
pp. 1042-1045 Full Text: PDF (137 kB)
Kinetic Description of Vacuum Creation of Massive Vector Bosons
D. B. Blaschke, A. V. Prozorkevich, A. V. Reichel, and S. A. Smolyansky
pp. 1046-1053 Full Text: PDF (200 kB)
Lattice QCD
V. G. Bornyakov
pp. 1054-1063 Full Text: PDF (258 kB)
Covariant Methods for Calculating Differential Cross Sections and Polarization Characteristics of Reactions
S. M. Sikach
pp. 1064-1070 Full Text: PDF (177 kB)
FUTURE PUBLICATIONS
Future Publications
pp. 1071-1078 Full Text: PDF (192 kB)Archived web conten
Journal of Experimental and Theoretical Physics V. 85, I. 06
No full textJournal of Experimental and Theoretical Physics -- December 1997
Volume 85, Issue 6, pp. 1049-1239
Splitting of a high-energy photon in a strong Coulomb field
R. N. Li, A. I. Mil'shtein, and V. M. Strakhovenko
Full Text: PDF (273 kB)
Semiclassical quantization of SU(3) skyrmions
V. B. Kopeliovich
Full Text: PDF (244 kB)
The diffraction mechanism of electron–positron pair photoproduction
A. I. Akhiezer and N. P. Merenkov
Full Text: PDF (136 kB)
Ionization of hydrogen and helium atoms by highly charged fast ions in collisions with small momentum transfer
A. B. Voitkiv
Full Text: PDF (153 kB)
Coherence effects accompanying generation of high-order harmonics
D. F. Zaretskii and É. A. Nersesov
Full Text: PDF (130 kB)
Evolution of polarization in an inhomogeneous isotropic medium
N. I. Petrov
Full Text: PDF (173 kB)
Nonlinear diffraction in spontaneous three-wave and coherent four-wave light scattering by polaritons
G. Kh. Kitaeva, A. A. Mikhailovskii, and A. N. Penin
Full Text: PDF (3753 kB)
Propagation of a beam of gamma rays in the field of a monochromatic laser wave
V. A. Maisheev
Full Text: PDF (199 kB)
Ordered structures in a nonideal dusty glow-discharge plasma
A. M. Lipaev, V. I. Molotkov, A. P. Nefedov, O. F. Petrov, V. M. Torchinskii, V. E. Fortov, A. G. Khrapak, and S. A. Khrapak
Full Text: PDF (154 kB)
Surface driven transition in a nematic liquid crystal cell
D. Andrienko, Yu. Kurioz, Yu. Reznikov, and V. Reshetnyak
Full Text: PDF (147 kB)
Magnetohydrodynamics of a viscous spherical layer rotating in a strong potential field
S. V. Starchenko
Full Text: PDF (277 kB)
Low field magnetic response of the granular superconductor La1.8Sr0.2CuO4
L. Leylekian, M. Ocio, L. A. Gurevich, and M. V. Feigel'man
Full Text: PDF (408 kB)
Characteristic time of avalanche mixing of granular materials
S. N. Dorogovtsev
Full Text: PDF (110 kB)
The Ginzburg–Landau expansion and the slope of the upper critical field in superconductors with anisotropic normal-impurity scattering
A. I. Posazhennikova and M. V. Sadovskii
Full Text: PDF (172 kB)
Investigation of a magnetic phase transition in fcc iron–nickel alloys
S. V. Grigor'ev, S. A. Klimko, S. V. Maleev, A. I. Okorokov, V. V. Runov, and D. Yu. Chernyshov
Full Text: PDF (253 kB)
Effect of electroelastic anisotropy of DNA-like molecules on their tertiary structure
V. L. Golo, Yu. M. Evdokimov, and E. I. Kats
Full Text: PDF (436 kB)
Drift of vertical Bloch lines in a domain wall with a noninterchangeable spectrum in perpendicularly magnetized films
G. E. Khodenkov
Full Text: PDF (116 kB)
Galvanomagnetic properties of the new organic metal ET2TlHg(S0.45Se0.55CN)4
S. I. Pesotskii, A. E. Kovalev, P. Boehm, W. Biberacher, K. Andres, M. V. Kartsovnik, N. D. Kushch, E. B. Yagubskii, and K. V. Van
Full Text: PDF (84 kB)
Modeling a dimer state in CuGeO3 in the two-dimensional anisotropic Heisenberg model with alternated exchange interaction
S. S. Aplesnin
Full Text: PDF (168 kB)
Anomalous Hall effect in granular alloys
A. V. Vedyaev, A. B. Granovskii, A. V. Kalitsov, and F. Brouers
Full Text: PDF (157 kB)
Temperature dependence of surface impedance of Tl2Ba2CaCu2O8 – delta and YBa2Cu3O6.95 single crystals measured in the microwave band
A. A. Zhukov, M. R. Trunin, A. T. Sokolov, and N. N. Kolesnikov
Full Text: PDF (182 kB)
Contributions to the theory of ferromagnetism in the degenerate Hubbard model
R. O. Zaitsev
Full Text: PDF (198 kB)
Generation of soliton packets in a two-level laser
A. A. Zabolotskii
Full Text: PDF (167 kB)
Dynamics of two-dimensional radiating vortices described by the nonlinear Schrödinger equation
I. A. Ivonin
Full Text: PDF (151 kB)
Erratum: Spin liquid in an almost ferromagnetic Kondo lattice [JETP 85, 399–414 (August 1997)]
K. A. Kikoin, M. N. Kiselev, and A. S. Mishchenko
Full Text: PDF (20 kB)
Erratum: Inelastic light scattering by electrons and plasmons in metals [JETP 85, 370–375 (August 1997)]
L. A. Falkovsky
Full Text: PDF (20 kB)Archived web conten
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