Published January 14, 1985 | Version v1
Journal article Metadata-only

Structure of 186Ir and decoupling phenomena in doubly-odd deformed nuclei

Creators

  • 1. Brookhaven National Lab., Upton, NY (USA)
  • 2. Comision Nacional de Energia Atomica, Buenos Aires (Argentina). Dept. de Fisica
  • 3. Buenos Aires Univ. Nacional (Argentina). Facultad de Ciencias Exactas y Naturales

Description

States of 186Ir, excited through several (HI, xn) reactions, were studied using in-beam γ-ray spectroscopy techniques. A completely new high-spin level scheme, comprising several rotational bands, is presented. The positive-parity ΔI = 2 ground-state band is possibly a first example of a hitherto unreported scheme called double decoupling associated with a proton and neutron both occupying Ω = 1/2 orbits of decoupling parameters larger than unity. A prominent ΔI = 1 negative-parity structure is interpreted as the π tilde hsub(9/2) x ν tilde isub(13/2) band known in Tl isotopes but in a prolate-deformed situation. (orig.)

Additional details

Publishing Information

Journal Title
Nucl. Phys., A
Journal Volume
432
Journal Issue
2
Series
CODEN: NUPAB.;Nucl. Phys., A.
Journal Page Range
451-474
ISSN
0375-9474

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
16026112
Subject category
S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
Resource subtype / Literary indicator
Numerical Data
Descriptors DEI
ALPHA REACTIONS; ANGULAR DISTRIBUTION; BERYLLIUM 9 REACTIONS; BREAKUP REACTIONS; CHARGE-EXCHANGE REACTIONS; DE-EXCITATION; DECOUPLING; ENERGY SPECTRA; EXCITATION FUNCTIONS; EXPERIMENTAL DATA; E1-TRANSITIONS; E2-TRANSITIONS; GAMMA SPECTRA; GROUND STATES; HEAVY ION FUSION REACTIONS; HIGH SPIN STATES; IRIDIUM 186; KNOCK-OUT REACTIONS; MEV RANGE 10-100; MOMENT OF INERTIA; M1-TRANSITIONS; NEUTRONS; ONE-NUCLEON TRANSFER REACTIONS; PARITY; PHOTONS; RHENIUM 185 TARGET; RHENIUM 187 TARGET; ROTATIONAL STATES; SPIN; TANTALUM 181 TARGET; X-RAY SPECTRA
Descriptors DEC
ANGULAR MOMENTUM; BARYONS; BETA DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; DATA; DIRECT REACTIONS; DISTRIBUTION; ELECTRON CAPTURE RADIOISOTOPES; ELEMENTARY PARTICLES; ENERGY LEVELS; ENERGY RANGE; ENERGY-LEVEL TRANSITIONS; EXCITED STATES; FERMIONS; HADRONS; HEAVY ION REACTIONS; HEAVY NUCLEI; HOURS LIVING RADIOISOTOPES; INFORMATION; IRIDIUM ISOTOPES; ISOTOPES; MASSLESS PARTICLES; MEV RANGE; MULTIPOLE TRANSITIONS; NUCLEAR REACTIONS; NUCLEI; NUCLEONS; NUCLEOSYNTHESIS; NUMERICAL DATA; ODD-ODD NUCLEI; PARTICLE PROPERTIES; RADIOISOTOPES; SPECTRA; SYNTHESIS; TARGETS; TRANSFER REACTIONS