Bhabha scattering at LEP1. Calorimeter event selection

Analitical calculations have been used to describe the calorimeter event selection in small-angle electron-positron scattering at LEP1. The first-order QED correction to the Born cross-section has been derived with leading log and the next-to-leading log approximations. The second- and the third-order corrections were computed with leading accuracy. The present analytical results are illustated by Tabeles and compared with the corresponding results obtained with the Monte Carlo generator BHLUMI.Comment: 26p., submitted to Journ. of Physics

Comparative analysis of the range list of medicines for the treatment of arterial hypertension in accordance with domestic and international clinical guidelines

Cardiovascular disease is the most common cause of death and disability worldwide. There are more than 12 million patients with hypertension in Ukraine. Timely prescription of medicines patients with AH in accordance with current clinical guidelines significantly improves the quality of life and survival of patients. The purpose of the study was to conduct a comparative analysis of the international and domestic range of modern medicines for the treatment of hypertension according to INN and ATC-classification and to investigate the status of their registration and inclusion in the reimbursement lists in Ukraine in order to determine the potential physical availability of drugs for the treatment of hypertension. An analysis of the domestic regulatory framework showed that international CG for the treatment of hypertension and national CPs can be used in Ukraine. The content analysis of the CG showed that international CG include classes of medicines for initial and maintenance therapy of hypertension: ACE inhibitors, ARBs, diuretics (thiazide and thiazide-like), calcium antagonists and beta-blockers, while preference is given to combinations of these drugs due to better adherence patients for treatment. It was found that according to the ATC classification, 41 ACE inhibitors and their combinations are represented on the international pharmaceutical market for the treatment of hypertension; of which 16 are single-component drugs, 25 are combined; ARB II and their combinations ‒ 32, single-component 10, combinations ‒ 22; calcium channel blockers and their combinations ‒ 21, single-component ‒ 18, combinations ‒ 2, thiazide diuretics ‒ 10, thiazide-like diuretics ‒ 11. An analysis of the status of registration in Ukraine according to certain INN and ATC classification showed that 56 drugs were registered, which is 48.69% of the possible 115 (drugs and ACE inhibitors and their combinations 22 (53.65%), ARBs II and their combinations 21 (65.63%); CCBs and their combinations ‒ 8 (38.10%); thiazide diuretics ‒ 1 (10%), thiazide-like diuretics ‒ 3 (27.27%))

Meromorphic Approximants to Complex Cauchy Transforms with Polar Singularities

We study AAK-type meromorphic approximants to functions $F$, where $F$ is a sum of a rational function $R$ and a Cauchy transform of a complex measure $\lambda$ with compact regular support included in $(-1,1)$, whose argument has bounded variation on the support. The approximation is understood in $L^p$-norm of the unit circle, $p\geq2$. We obtain that the counting measures of poles of the approximants converge to the Green equilibrium distribution on the support of $\lambda$ relative to the unit disk, that the approximants themselves converge in capacity to $F$, and that the poles of $R$ attract at least as many poles of the approximants as their multiplicity and not much more.Comment: 39 pages, 4 figure

Understanding Anomalous Transport in Intermittent Maps: From Continuous Time Random Walks to Fractals

We show that the generalized diffusion coefficient of a subdiffusive intermittent map is a fractal function of control parameters. A modified continuous time random walk theory yields its coarse functional form and correctly describes a dynamical phase transition from normal to anomalous diffusion marked by strong suppression of diffusion. Similarly, the probability density of moving particles is governed by a time-fractional diffusion equation on coarse scales while exhibiting a specific fine structure. Approximations beyond stochastic theory are derived from a generalized Taylor-Green-Kubo formula.Comment: 4 pages, 3 eps figure

RATING EVALUATION OFSPECIALIZED MEDICAL CARE BYTHEPATIENTSNEPHROLOGIC PROFILE OFTHE UKRAINEPROVINSE

The aim of the work was to conduct a comparative analysis of indicators of the performance of nephrological services in the regions of Ukraine by using the method of complex statistical coefficients. Materials and methods. Evaluation of the performance of the system of provision of nephrological services in the regions of Ukraine was made by studying the indicators that characterize the structure, use of health care resources, quality and efficiency of its provision submitted to National Register ofpatients with chronic kidney disease and patients with acute kidney injury (2015). Results. By using rating evaluation methodology, it was identified place of relevant region by each indicator, by each area and by all areas of provision of nephrological services in the region as a whole. Conclusions. As a result of a comprehensive study of the condition of the system of providing nephrological service in the regions, there were identified ranking places of the administrative territories

Fractional Kinetics for Relaxation and Superdiffusion in Magnetic Field

We propose fractional Fokker-Planck equation for the kinetic description of relaxation and superdiffusion processes in constant magnetic and random electric fields. We assume that the random electric field acting on a test charged particle is isotropic and possesses non-Gaussian Levy stable statistics. These assumptions provide us with a straightforward possibility to consider formation of anomalous stationary states and superdiffusion processes, both properties are inherent to strongly non-equilibrium plasmas of solar systems and thermonuclear devices. We solve fractional kinetic equations, study the properties of the solution, and compare analytical results with those of numerical simulation based on the solution of the Langevin equations with the noise source having Levy stable probability density. We found, in particular, that the stationary states are essentially non-Maxwellian ones and, at the diffusion stage of relaxation, the characteristic displacement of a particle grows superdiffusively with time and is inversely proportional to the magnetic field.Comment: 15 pages, LaTeX, 5 figures PostScrip