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<strong>Microscopic non-axial study of even-even 226-230Th isotopes using octupole interaction</strong>

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Title Statement <strong>Microscopic non-axial study of even-even 226-230Th isotopes using octupole interaction</strong>
 
Added Entry - Uncontrolled Name Devi, Rani ; University of Jammu
Ram, Daya ; University of Jammu
Khosa, S.K. ; University of Jammu
UGC
 
Uncontrolled Index Term Nuclear Structure
Cranked Hartree-Bogoliubov, yrast spectra, occupation numbers, B(E2) transition probability
 
Summary, etc. <strong>The yrast spectra, quadrupole moments, octupole moments, quadrupole deformation parameters (<em><em><img src="http://nopr.niscair.res.in/image/spc_char/beta.gif" border="0" alt="" /></em></em><sub>2</sub>), non-axiality parameters (<em><img src="http://nopr.niscair.res.in/image/spc_char/gamma2.gif" border="0" alt="" /></em>), root mean square radii for protons and neutrons, occupation probabilities, and B(E2) transition probabilities are calculated for <sup>226-230</sup>Th in Cranked Hartree-Bogoliubov (CHB) framework. These calculations have been performed by employing one body octupole potential field added to a quadrupole-quadrupole plus pairing model of residual interaction operating in a reasonably large valence space outside the <sup>164</sup>Pb core. Our calculations reproduce qualitatively the observed yrast spectra in <sup>226</sup>Th to<sup> 230</sup>Th up to spin 20<sup>+</sup>. The calculated results indicate that the quadrupole deformation increases and non-axiality of all these nuclei decreases along the yrast states. The results of octupole moments indicate that the octupole collectivity decreases as one moves from <sup>226</sup>Th to<sup> 230</sup>Th. The observed increase in deformation in going from <sup>226</sup>Th to <sup>230</sup>Th is due to the increase in the occupation of low k components of (2<em>g</em><sub>9/2</sub>)<sub><img src="http://nopr.niscair.res.in/image/spc_char/pi.gif" border="0" alt="" /></sub> and (1j<sub>15/2</sub>)<em><sub>u</sub></em> orbits.</strong>
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2015-06-02 14:35:11
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/579
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 52, ##issue.no## 5 (2014): Indian Journal of Pure & Applied Physics
 
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