Shears band with a large dynamic moment of inertia in Bi-197

• High-spin states in Bi-197 were studied with the AFRODITE gamma-ray array at iThemba LABS using the Ta-181(Ne-22, 6n) reaction at a beam energy of 125 MeV. A new shears band was found and linked to the low-lying states in Bi-197. Its dynamic moment of inertia, F (2), is considerably larger than the ((2)) of the shears bands in the neighbouring Pb isotopes. This is probably a result of the involvement of an additional high-K h(9/2) proton orbital.

Ämnesord

NATURVETENSKAP  -- Fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Nyckelord

magnetic dipole bands

bismuth nuclei

rotation

excitations

competition

mechanism

pb-193

model

Physics

Fysik

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