Spectroscopy of the Low-lying States Near the High Spin Isomer in $^{108}$Ag

Sethi, J.; Palit, R.; Carroll, Jj J.; Karamian, S. A.; Saha, S.; Biswas, S.; Naik, Z.; Trivedi, T.; Litz, Marc; Datta, Pradip; Chattopadhyay, S; Donthi, R.; Garg, U.; Jadhav, S.; Jain, H. C.; Kumar, Suresh; Mehta, D.; Naidu, BS; Bhat, GH; Sheikh, J. A.; Sihotra, S.; Walker, P. M.

doi:10.5506/aphyspolb.46.703

Cited by 1 publication

(1 citation statement)

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“…The γ-transitions marked with an * symbol are the ones which are newly assigned to the level structure of 108 Ag and the transitions marked with a # symbol are rearranged in the present work. A brief report of the current work has appeared in [22]. The placements of these new γ-rays are confirmed in various double gated spectra and also supported by the presence of the cross-over transitions.…”

Section: Resultssupporting

confidence: 58%

Low-lying states near the ${I}^{\pi }={6}^{+}$ isomer in ${}^{108}\mathrm{Ag}$

Sethi

Palit

Carroll

et al. 2015

J. Phys. G: Nucl. Part. Phys.

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The low-lying states of 108 Ag near the I π =6 + isomer have been investigated with the 11 B + 100 Mo reaction at 39 MeV beam energy. We aim at understanding the structure of the states near the isomer and identifying possible isomer depletion paths. From the γ-γ and γ-γ-γ coincidence analysis, spectroscopy of the excited states near the isomer has been carried out to establish new transitions and modification of the previously known level scheme. The present work suggests a total of three possible transitions at energies below 500 keV from the isomer to higher excited levels, whose subsequent decay can branch to the ground state. The spins and parities of these states have been established with angular correlation and polarization measurements. The branching ratios and multipolarities of the associated γ-rays were used in the estimation of the integral cross section for induced isomer depletion via these states. The experimental data have been compared to the results of projected Hartree-Fock calculations to understand the configurations of the levels.

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Section: Resultssupporting

confidence: 58%