Relativistic mean-field study of the properties of Z=117 nuclei and the decay chains of the {sup 293,294}117 isotopes

Journal Article · Fri Jul 15 00:00:00 EDT 2011 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PHYSREVC.84.014317· OSTI ID:21596563

Bhuyan, M ^[1]; Patra, S K ^[1]; Gupta, Raj K ^[2]

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1. Institute of Physics, Sachivalaya Marg, Bhubaneswar 751 005 (India)
2. Department of Physics, Panjab University, Chandigarh 160 014 (India)

We have calculated the binding energy, root-mean-square radius, and quadrupole deformation parameter for the recently synthesized superheavy element Z=117, using the axially deformed relativistic mean-field (RMF) model. The calculation is extended to various isotopes of the Z=117 element, starting from A=286 till A=310. We predict almost spherical structures in the ground state for almost all the isotopes. A shape transition appears at about A=292 from a prolate to an oblate shape structure of the Z=117 nucleus in our mean-field approach. The most stable isotope (largest binding energy per nucleon) is found to be the {sup 288}117 nucleus. Also, the Q{sub {alpha}} values and the half-life T{sub 1/2}{sup {alpha}} for the {alpha}-decay chains of {sup 293}117 and {sup 294}117 are calculated, supporting the magic numbers at N=172 and/or 184.

• OSTI ID: 21596563
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 84, Issue 1; Other Information: DOI: 10.1103/PhysRevC.84.014317; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BINDING ENERGY
CHAINS
COMPUTERIZED SIMULATION
DEFORMATION
GROUND STATES
HALF-LIFE
MAGIC NUCLEI
MEAN-FIELD THEORY
NUCLEAR DECAY
NUCLEONS
RELATIVISTIC RANGE
STABLE ISOTOPES
BARYONS
DECAY
ELEMENTARY PARTICLES
ENERGY
ENERGY LEVELS
ENERGY RANGE
FERMIONS
HADRONS
ISOTOPES
NUCLEI
SIMULATION