Neutral pion number N0 distributions for each total number of particles in event Ntot=Nch+N0 are obtained. The scaled variance of neutral pion fluctuations, omega=D/, is measured. The fluctuations ...increase at Ntot >22. According to quantum statistics models it may indicate for the approaching to pion condensate conditions for high pion multiplicity in the system.
Project Thermalization (Experiment SERP-E-190 at IHEP) is aimed to study the proton - proton interactions at 50 GeV with large number of secondary particles. In this report the experimentally ...measured topological cross sections are presented taking into account the detector response and procession efficiency. These data are in good agreement with gluon dominance model. The comparison with other models is also made and shows no essential discrepancies.
The control at water supply on criteria of quantitative and qualitative adequacy--one the major sections of sanitary-and-epidemiologic supervision. To radical improvement of water supply of the ...population of the country, army and fleet are called to serve entered in action since July 1, 1997 Sanitary rules and norms 2.1.4.559-96 "Drinking water. The hygienic requirement to quality of water of centralized systems of drinking water supply. Quality surveillance". In the interest of increase of epidemiologic safety of drinking water in comparison with GOST 2874-82 specifications of microbiological parameters are severed and a parasitologic parameter is entered. The new document changes accepted early classification of chemical structure of water.
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