Vladimir Zelevinsky

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Atomic nuclei analyzed in the framework of the shell model provide a good example of a many-body quantum system with strong interactions between its constituents. As excitation energy and level density increase, the system evolves in the direction of very complicated (“stochastic”) dynamics. Energy levels and stationary wave functions obtained in realistic(More)
Chaos vs Thermalization in the Nuclear Shell Model Mihai Horoi, ' Vladimir Zelevinsky, ' and B. Alex Brown' 'National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321 2Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 11I6'Institute of Atomic Physics, Bucharest,(More)
Traditional interfaces for information access do not fully support queries that rely on semantic relationships between terms. To better support such queries, we introduce a system that automatically extracts subject-verb-object concepts from unstructured text documents and dynamically presents them to the user as navigable refinements. This approach, which(More)
We study the conditions under which the nucleons inside a deformed nucleus can undergo chaotic motion. To do this we perform self-consistent calculations in semiclassical approximation utilizing a multipole-multipole interaction of the Bohr-Mottelson type for quadrupole and octupole deformations. For the case of harmonic and non-harmonic static potentials,(More)
A modern variation of the Rutherford experiment to probe the tunneling of exotic nuclear matter from the measurement of the residues formed in the bombardment of (197)Au by extremely neutron-rich (8)He nuclei is presented. Using a novel off-beam technique the most precise and accurate measurements of fusion and neutron transfer involving reaccelerated(More)
PROJECTILES Alexander Sakharuk, P. Gregers Hansen, and Vladimir Zelevinsky 1National Superconducting Cyclotron Laboratory and 2Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824-1321 USA (September 8, 1999) Single-particle removal reactions are becoming an important tool for studying radioactive nuclei. The nuclei far(More)
An eikonal model has been used to assess the relationship between calculated strengths for first forbidden β decay and calculated cross sections for (p, n) charge exchange reactions. It is found that these are proportional for strong transitions, suggesting that hadronic charge exchange reactions may be useful in determining the spin-dipole matrix elements(More)