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4 number 2007 year |
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1.
Title:
PROPAGATION OF TRANSVERSE HYPERSOUND
IN SOLUTION WITH STRATIFICATION REGION
Authors:
K.V. Kovalenko, S.V. Krivokhizha.
Abstract:
2.
Title:
DEGRADATION OF ORGANIC LIGHT-EMITTING DIODES BASED
ON DIFFERENT-LIGAND COMPLEXES OF TERBIUM (III) SALICYLATE
AND 2-PHENOXYBENZOATE
Authors:
L.S. Lepnev, A.A. Vashchenko, A.G. Vitukhnovskii, S.V. Eliseeva, O.V. Kotova, N.P. Kuzmina.
Abstract:
3.
Title:
NEUTRON EVENTS IN THE UNDERGROUND MONITOR
OF THE TIEN SHAN HIGH-ALTITUDE STATION
Authors:
A.P. Chubenko, A.L. Shchepetov, L.I. Vildanova, M.I. Vildanova, P.A. Chubenko.
Abstract:
The neutron multiplicity M spectrum was measured at the neutron monitor installed in the underground room of the Tien Shan high-altitude station (3340 m above sea level) of the Lebedev Physical Institute under a ground layer 20 m of water equivalent thick. To a first approximation, the differential multiplicity spectrum is power-law: dN/dM = 0.3??M−3.7m−2s−1. The spectrum intensity is lower than the intensity of events in the ground-based NM64 supermonitor by a factor of 350−450. The spectrum slope exponent ?? + 1 = 3.7??0.1 is identical to the exponent of the energy spectrum of bremsstrahlung gamma-rays of energetic muons (above 1 TeV) generated in a lead absorber of the monitor. In this case, the experimental intensity is hundred times higher than the expected intensity of events from muon bremsstrahlung. The spatial distribution of neutrons in the monitor suggests that they are produced by single particles. The temporal distribution of neutrons in the monitor is exponential with lifetime constant ?? = 360−390 ??s. Difficulties are indicated in the interpretation of the multiplicity spectrum by electromagnetic and nuclear interactions of muons in the monitor without involving new penetrating particles.
4.
Title:
ON THE MECHANISM OF GAN LAYER GROWTH AND DEFECT FORMATION
IN THE GaN-GaAs SYSTEM
Authors:
I.V. Rogozin, A.N. Georgobiani.
Abstract:
5.
Title:
DIFFUSION ANISOTROPY IN A TOROIDAL (RING) VORTEX IN WATER
Authors:
U.. Yusupaliev, P.U. Yusupaliev, S.A. Shuteev, K.Z. Rukhadze.
Abstract:
6.
Title:
ELECTRON GAS ENERGY IN NARROW-GAP SEMICONDUCTORS
IN A MAGNETIC FIELD
Authors:
P.V. Ratnikov, A.P. Silin.
Abstract:
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