Parity of the band head at 3710 keV in ⁹⁹Rh using clover detector as Compton polarimeter

R PALIT¹, H C JAIN¹, P K JOSHI¹, S NAGARAJ¹, B V T RAO², S N CHINTALAPUDI³ and S S GHUGRE³

1Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400 005, India
²Andhra University, Visakhapatnam 530 003, India
³Inter-University Consortium for DAE Facilities, Calcutta 700 091, India
Email: palit@tifr.res.in

Abstract.

Clover detector has been used as a Compton polarimeter to measure the linear polarization of g-rays produced in heavy ion fusion reaction. The polarization sensitivity of the clover detector has been measured over g-ray energies ranging from 386 to 1368 keV. The E1 multipolarity of the 1117 keV transition in ⁹⁹Rh has been established using this polarimeter. This has resulted in the assignment of negative parity to the band head at 3710 keV in ⁹⁹Rh.

Pacs No. 21.10.-K; 21.10.HW

Keywords Linear polarization; clover detector; multipolarity; polarization sensitivity; Comptonprocess.

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