Another class of QED collision processes is the elastic scattering of electrons and positrons. ... You conclude that in the nonrelativistic limit the direct channel amplitude contributes to the cross section neither as a squared amplitude itself nor through the interference with the exchange amplitude. ... ller scattering ). ... Using the formul? for the squared matrix elements, show that at high energies ( ) the cross sections of Bhabha scattering and of elastic electron scattering are related as . ...

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• Weizsaecker-Williams approximation
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... Supercomputing Technologies in Science, Education and Industry Almanac Series . ... Technological Institute for Superhard and Novel Carbon Materials . ... Therefore, in solving the problems will be applied as specialized methods for the study of polyatomic structures - the method of empirical potentials Brenner . ... AREA: Condensed Matter Physics, Theoretical Physics, Physical Chemistry . ... Moscow State Uiversity . ... Research Computing Center (RCC) of Lomonosov Moscow State University . ...

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MODELING OF NITRITE UTILIZATION IN THE E.COLI CELL: FLUX ANALYSIS Akberdin I.R.1, Khlebodarova T.M. 1, Kogai V.V. 3, Fadeev S.I. 2,3, Likhoshvai V.A. 1 1,2 Institute of cytology and genetics SB RAS, Novosibirsk, Lavrentyeva ave., ... Components of the system are nitrite reductases NrfA, NirB and the transport protein NirC. So far the specific data on the relationship between the nitrite respiratory, transport and utilization systems in the cell is absent. ...

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Arushanyan O.B., Volchenskova N.I., Zaletkin S.F. Calculation of expansion coefficients of series in Chebyshev polynomials for a solution to a Cauchy problem // Moscow University Mathematics Bulletin.2012. ... 211-216. ... The solution of such a system and its derivatives are expanded in shifted series in Chebyshev polynomials of the first kind. Algorithms to determine the expansion coefficients are described. ...

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THE PARAMETERS INVOLVED IN HAPKE'S MODEL FOR ESTIMATION OF THE COMPOSITION OF THE EJECTA LUNAR TERRAINS. ... In the previous papers we were estimated the surface roughness of the ejecta lunar terrains by means comparison of the local phase function and the average integrated lunar indicatrix. ... The Hapke's theoretical model of the lunar surface reflection. ... For THE PARAMETERS INVOLVED IN HAPKE'S MODEL: S.G. Pugacheva, V.V. Shevchenko a low-albedo lunar surface parameter Bo = 1. ...

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• http://selena.sai.msu.ru/Pug/Publications/m44_70_pugacheva.pdf

... This information is needed for description of interaction of atom and ion with charge particles and photons. ... The project calculations are based on variational method and wave function expansion in a linear combination of hydrogen - like functions with effective charges. wave function of atoms, wave function of ions, cross section calculations, helium-like, variational method, Hartree - Fock, excited states, ionization, single excitation, double ionization, double excitation . ...

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... We consider stars with a constant (solar) initial chemical composition. Before the Roche lobe overflow, the components evolve as single stars (see for details LPP96). ... If the mass transfer onto a normal star occurs on a time-scale ten time shorter than the thermal Kelvin-Helmholz time for this star or a compact star is engulfed by a giant companion (e.g. as a result of the kick), the common envelope (CE) stage of the binary evolution is set in (Paczynski 1976). ...

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• Calculation of binary NS coalescence rates
• Calculation of Binary Neutron Star Coalescence Rates
• Evolutionary Scenarios of Binary Systems

... A version of molecular mechanics based on the Gillespie-Kepert model of coordination bonds "repulsion" is applied to lanthanide complexes. The force field parameters are developed which describe the structure of b-diketonate-, aqua-, and mixed aqua-b-diketonate complexes with good accuracy; the same parameters are applicable to various coordination numbers/polyhedra. For the aqua complexes, typical root-mean-square deviation (calculated vs. ...

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• Moscow University Chemistry Bulletin Vol. 50, No. 4, P. 219 (2009)
• Moscow University Chemistry Bulletin Vol. 49, No. 1, P. 39 (2008)
• Moscow University Chemistry Bulletin Vol. 43, No. 6, P. 420 (2002)

Laboratory of Liquid Crystals . ... LCOptimizer is a realization of algorithm for calculation of nematic and cholesteric LC structure in PDLC droplets. ... Current version of LCOptimizer software consists of the following units: . ... lcdis3 -- quick change of external field, surface tension or director field distribution in already prepared input file . ... User Manual . User Manual contains general information about the program, input and output description, and some additional tips. ...

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• Семинар по физике полимеров

... An algorithm for calculating the equilibrium state of a ferromagnetic by the Lagrange multiplier method" . Izotov A,V., Belyaev B.A., Valikhanov M.M., Polenga S.V., Stefanyuk A.V. An efficient approach for calculating the equilibrium magnetization distribution in a discrete micromagnetic model of a ferromagnetic based on the Lagrange multiplier method is described. ... PostScript (in Russian) (5.37MB) . PDF (in Russian) (384KB) . PostScript. zip (in Russian) 1.94MB) . ...

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• "A numerical method for approximate calculation of the value function in the
• "Optimal Gaussian approximation in the Ising model"
• "On a method for approximate solving a backward stochastic differential

... John E. Reissner, William A. Steele - A collisional approach to the calculation of time correlation functions. Transport coefficients of gases . ... Название: A collisional approach to the calculation of time correlation functions. ... Авторы: John E. Reissner, William A. Steele . ... A method of successive approximations is proposed for the evaluation of the time-correlation functions such as those that give the thermal transport coefficients of gases. ...

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• Bramley A. - Condition that an Electron Describe a Geodesic :: Электронная
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• Forta B. - MySQL Crash Course :: Электронная библиотека попечительского совета

... CompHEP Models. ... CompHEP is based on an idea of the physical model. ComHEP Models are very simular to physical models in high energy physics, like Standards Model or MSSM. ... Two of them are versions of the Standard Model (SU(3)xSU(2)xU(1)) in the unitary and t'Hooft - Feynman gauges. ... Standard Model in Feynman gauge . ... This output can be written in LaTeX format and in the form of CompHEP model files, which allows one to start calculations of processes in the new physical model. ...

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• docs [CompHEP]
• news [CompHEP]

... Projectile proton energies are above 300 keV Scattering angles are of fractions of mrad . ... C.D. Lin) FBA Exact representation of the amplitude so called paraxial approximation for fast proton Exact representation of the amplitude Basis for SBA and EWBA Integral representation of EWBA (eikonal) Integral representation of the FBA CALCULATIONS: Charge transfer Hong-Keun Kim et al Phys . Rev. A 85, 022707 (2012) Powerful note All helium wave functions, both ... Phys. Rev. A 71 (2005), 12706. ...

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• http://lmmqsp.sinp.msu.ru/mat/popov_dubna2013.pdf
• http://lmmqsp.sinp.msu.ru/mat/posterTE_Mongolia.pdf
• Laboratory of Mathematical Models of Quantum Scattering Processes / MSU

Xwake . Xwake is a user friendly Body of Revolution (BOR) Finite Difference Time Domain (FDTD) code for wake potential and impedance calculations of rotationally symmetric structures. Geometry boundaries are automatically meshed, or modeled, by a choice of either of two approximations, the traditional stepped edge modeling, or a contour modeling. ... The code computes the time evolution of the electromagnetic field in the modeled structure. ... Other Scientific Fields | Physics Astronomy . ...

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• SAL- Other Scientific Fields - Chemistry, Biology Related - WIEN97
• APOD: September 27, 1998 - Albert Einstein Describes Space and Time
• APOD: 2000 January 8 - Albert Einstein Describes Space and Time

... In this case both the medium and the electric field depend on two space coordinates only. ... The classical modeling presentation is in apparent resistivity which reflects an electric field distribution on the earth's surface. ... An expression can be derived for the potential value in point M ([pic]): [pic], (4) where [pic] is the potential of the primary electric field, [pic] is the potential of the secondary electric field, defined by the surface charge distribution. ... pic] |[pic] | ...

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• http://geophys.geol.msu.ru/shevnin/publ/128.pdf

... Algorithm & . Format requirements . ... SDPsite is a tool for identification of protein active and other functional sites, based on spatial clustering of SDPs (specificity-determining positions, described here ) with CPs (conserved positions). ... Mapping predictied positions onto structure and construction of the best cluster . ... The input data of the algorithm are a multiple protein alignment divided into specificity groups . ... is called statistical significance of the set of k* positions . ...

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PHP Manual . Prev . Next . 3.0.7 - 3.0.18 only, PHP 4 >= 4.0.0) similar_text -- Calculate the similarity between two strings . int similar_text ( string first, string second [, float percent]) . This calculates the similarity between two strings as described in Oliver [1993]. ... By passing a reference as third argument, similar_text() will calculate the similarity in percent for you. It returns the number of matching chars in both strings. ...

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Nuclear Instruments and Methods in Physics Research B 235 (2005) 448­451 www.elsevier.com/locate/nimb Reflection of nitrogen ions from copper surface: Experiment and calculations N.V. Novikov, Ya.A. Teplova *, Yu.A. Fainberg, V.S. Kulikauskas Institute of Nuclear Physics, Moscow State University, 119899 Moscow, Russia Available online 29 April 2005 Abstract The angular and energy distributions of nitrogen ions reflected from the Cu-surface are measured at the incident energy 300 keV. ...

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• http://danp.sinp.msu.ru/LIIWM/physscr_64_2001_53Khodyrev.pdf
• http://danp.sinp.msu.ru/LAS/Nimb256_07_21Teplova.pdf
• http://danp.sinp.msu.ru/ACS_pdf/atcol_1.pdf

... We developed an improved method to detect serological responses to tumor-associated antigens using a panel of cancer-specific antigens for serologic diagnostics and monitoring of melanoma, renal cancer, breast cancer, ovary cancer, lung cancer and colon cancer. ... Our data revealed distinct functions for LT produced by B-lymphocytes [Tumanov et al., 2002] and for TNF produced by macrophages and T-cells [Grivennikov et al., 2005], and demonstrated cooperation of TNF and LT in vivo [Kuprash et al., ...

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On the 3th of November a report of Drozdov Alexander, manager of Intel Corp. in Russia was presented on the seminar "Mathematics of computers, chips, and electronic circuits". ... Cadence Design Systems, Inc. and Intel, Corp. supports this seminar. ... The main purposes of this seminar are the following: . ... The seminar implements scientific and technical contacts for both domestic and foreign experts in the field of design and use of electronic computing systems. ... Seminar organization: . ...

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• Intelligent Systems :: Research :: :: Articles