Relativistic mean field description for the shears band mechanism in ${}^{84}$Rb

Abstract

For the first time, the Relativistic Mean Field (RMF) model is applied to the shears band recently observed in ${}_{37}^{84}$Rb. Signals of the appearance of the shears mechanism, such as smooth decreases of the shears angle and of the $B$(M1)/$B$(E2) ratio with keeping the nearly constant tilt angle, are well reproduced. Thus it is shown that the microscopic RMF model can nicely describe the shears band in this nucleus.

5 pages, 6 eps figures included, uses REVTeX and epsf.sty, to appear in Phys. Rev. C

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