Published January 30, 1992 | Version v1
Journal article Metadata-only

First observation of a collective dipole rotational band in the A ≅ 200 mass region

Creators

  • 1. Dept. of Physics., Univ. of York, Heslington (United Kingdom)
  • 2. Oliver Lodge Lab., Univ. of Liverpool (United Kingdom)
  • 3. Inst. de Physique Nucleaire de Lyon, IN2P3-CNRS/Univ. Claude Bernard, 69 - Villeurbanne (France)
  • 4. Joint Inst. for Heavy Ion Research, Oak Ridge, TN (United States)

Description

The nucleus 198Pb was populated via the 186W(17O, 5n)198Pb reaction at beam energies of 92 and 98 MeV. A highly regular rotational ΔI=1 band has been found. Angular correlation measurements confirm the transitions to be dipoles. Assuming M1 multipolarity for these transitions the experimental data are interpreted in terms of a π([505]9/2-x[606]13/2+)sub(Kπ=11-)xν(i13/2)2 configuration of oblate shape. This is the first such collective oblate structure identified in the A∝200 mass region. (orig.)

Additional details

Publishing Information

Journal Title
Physics Letters. Section B
Journal Volume
275
Journal Issue
3/4
Series
Phys. Lett., Sect. B.
Journal Page Range
247-251
ISSN
0370-2693
CODEN
PYLBA

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
23032942
Subject category
S73: NUCLEAR PHYSICS AND RADIATION PHYSICS; S73: NUCLEAR PHYSICS AND RADIATION PHYSICS; S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
Resource subtype / Literary indicator
Numerical Data
Descriptors DEI
ANGULAR CORRELATION; DE-EXCITATION; ENERGY SPECTRA; EXPERIMENTAL DATA; GAMMA CASCADES; GAMMA RADIATION; GAMMA SPECTRA; HEAVY ION FUSION REACTIONS; HIGH SPIN STATES; INTERNAL CONVERSION; LEAD 198; MEV RANGE 10-100; MOMENT OF INERTIA; MULTIPOLARITY; M1-TRANSITIONS; NEUTRONS; NUCLEAR DEFORMATION; NUCLEAR STRUCTURE; OXYGEN 17 REACTIONS; PARITY; PHOTONS; ROTATIONAL STATES; SPIN; TUNGSTEN 186 TARGET; YRAST STATES
Descriptors DEC
ANGULAR MOMENTUM; BARYONS; BETA DECAY RADIOISOTOPES; BOSONS; CONVERSION; CORRELATIONS; DATA; DECAY; DEFORMATION; ELECTROMAGNETIC RADIATION; ELECTRON CAPTURE RADIOISOTOPES; ELEMENTARY PARTICLES; ENERGY LEVELS; ENERGY RANGE; ENERGY-LEVEL TRANSITIONS; EVEN-EVEN NUCLEI; EXCITED STATES; FERMIONS; HADRONS; HEAVY ION REACTIONS; HEAVY NUCLEI; HOURS LIVING RADIOISOTOPES; INFORMATION; IONIZING RADIATIONS; ISOTOPES; LEAD ISOTOPES; MASSLESS PARTICLES; MEV RANGE; MULTIPOLE TRANSITIONS; NUCLEAR CASCADES; NUCLEAR DECAY; NUCLEAR REACTIONS; NUCLEI; NUCLEONS; NUCLEOSYNTHESIS; NUMERICAL DATA; PARTICLE PROPERTIES; RADIATIONS; RADIOISOTOPES; SPECTRA; SYNTHESIS; TARGETS