Shears mechanism in ${}^{109}$In

Shears mechanism in $^{109}$ In

D. Negi, T. Trivedi, A. Dhal, S. Kumar, V. Kumar, S. Roy, M. K. Raju, S. Appannababu, G. Mohanto, J. Kaur, R. K. Sinha, D. Choudhury, D. Singh, R. Kumar, R. P. Singh, S. Muralithar, A. K. Bhati, S. C. Pancholi, and R. K. Bhowmik

Phys. Rev. C 85, 057301 – Published 16 May 2012

Abstract

High spin states of $^{109}$ In were investigated using the reaction $^{96}$ Zr( $^{19}$ F, 6n) $^{109}$ In at a beam energy of 105 MeV. New level sequences have been found in this nucleus. In an earlier known band, the ordering of some of the transitions have been changed and assigned a three-quasiparticle $π$ (g $_{9 / 2}$ ) $^{- 1}$ $\otimes$ $ν$ [h $_{11 / 2}$ (d $_{5 / 2}$ /g $_{7 / 2}$ )] configuration. Similar three-quasiparticle bands have also been found earlier in lighter mass $^{105}$ In and $^{107}$ In nuclei. Systematics of these bands in $^{105}$ In, $^{107}$ In, and $^{109}$ In nuclei are discussed in the present work within the framework of the tilted axis cranking model.

Received 13 December 2011

DOI:https://doi.org/10.1103/PhysRevC.85.057301

Authors & Affiliations

D. Negi^1,2,*, T. Trivedi³, A. Dhal^1,9, S. Kumar⁴, V. Kumar⁴, S. Roy⁵, M. K. Raju⁶, S. Appannababu^1,7, G. Mohanto¹, J. Kaur⁸, R. K. Sinha⁹, D. Choudhury¹⁰, D. Singh¹, R. Kumar¹, R. P. Singh¹, S. Muralithar¹, A. K. Bhati⁸, S. C. Pancholi^1,4, and R. K. Bhowmik¹

¹Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India
²iThemba LABS, P.O. Box 722, Somerset West 7129, South Africa
³Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
⁴Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
⁵S.N. Bose National Centre for Basic Sciences, Block JD, Sector III, Kolkata 700098, India
⁶Department of Nuclear Physics, Andhra University, Visakhapatnam 530003, India
⁷Department of Physics, M.S. University of Baroda, Vadodara 390002, India
⁸Department of Physics, Punjab University, Chandigarh 160014, India
⁹Department of Physics, Banaras Hindu University, Varanasi 221005, India
¹⁰Department of Physics, Indian Institute of Technology, Roorkee 247667, India

^*din_physics@yahoo.co.in

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Issue

Vol. 85, Iss. 5 — May 2012

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Physical Review C

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