In the fall of 2000 we are going to organize at the Institute for
Nuclear Theory in Seattle the three-month program entitled
NUCLEAR STRUCTURE FOR THE 21ST CENTURY
Below you may find a very short description
of the topics we would like to cover during the program.
E-mail messages sent to any of the following addresses:
email@example.com and firstname.lastname@example.org
will be automatically acknowledged and also forwarded to both organizers.
Please use one of these addresses to communicate with us regarding
our INT program.
Institute for Nuclear Theory, Seattle
October 2, 2000 - December 10, 2000
NUCLEAR STRUCTURE FOR THE 21ST CENTURY
Ground state properties from the valley of stability to the drip line.
Theoretical studies of nuclei far from stability are expected to
guide the development and provide the motivation for extensions of
experimental knowledge of hitherto unexplored nuclei. Because of the
closeness of particle continuum and very large neutron excess, the
very neutron rich nuclei may present novel features as compared to
nuclei near the bottom of the stability valley. Their study requires,
therefore, developing and applying approaches that are able to
account for these new aspects of nuclear structure.
The heavy proton rich nuclei have small or no proton "excess" and
for these nuclei the particle continuum is less significant due to
the presence of the Coulomb barrier. Therefore one expects that the
traditional methods of nuclear structure can be applied. On the
other hand, studies of these nuclei may provide invaluable test of
these methods, and the extended range of the isospin dependence can
be used to improve them significantly.
The following aspects of exotic nuclei will be addressed during the
program: isospin mixing and proton-neutron correlations near the proton drip-line; exotic structures in light neutron rich nuclei; nuclear shell-structure far from stability; neutron skin in heavy neutron
rich nuclei; the structure of super-heavy elements; and pair
Excited states and high spin rotations.
Nuclear dynamics and collective motion, and in particular
rotational structures in nuclei, provide a unique laboratory for
studying properties and interactions of many-fermion systems.
Rotational states can be relatively easily accessed through precise
gamma spectroscopy which allows for detailed studies of weak nuclear
phenomena. Since the rotational and single-particle motions are
inextricably intertwined, we may gain access to single-particle
properties provided we know how to disentangle both classes of
During the program we would like to address the following aspects
of nuclear dynamics: rotational bands in superdeformed nuclei; identical bands; moments of inertia; multipole moments and
alignments; hyperdeformation and odd-parity deformations; shape coexistence and large amplitude collective motion; fission and
cluster emission; proton emission, neutron evaporation and pair
transfers; giant resonances; and beta and double-beta decay.
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Modern approaches to nuclear phenomena strive to extract from a
description of data a better knowledge of nuclear interactions. On
the other hand, there is recently an increased interest in methods
allowing for a derivation of effective nuclear interactions (those
used in the mean-field as well as in the shell-model approaches) from
bare nucleon-nucleon forces.
The program may help in studying the following issues: effective
interactions to be used near the beta-stability line, at the drip
lines, for high-spin states as well as in the study of neutron stars; phenomenological and self-consistent mean-fields; shell-model
interactions; algebraic models and hamiltonians; effective
interactions in theories beyond the mean field; and pairing
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