Identification of Isomeric States "South" of Pb-208 via Projectile Fragmentation

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Abstract

Relativistic fragmentation of Pb-208 has been used to produce excited states in neutron-rich nuclei with N approximate to 126. Spectroscopic information for a range of nuclei has been obtained through observing delayed gamma-ray emissions from isomeric states. Preliminary results for Pt-203,Pt-204 nuclei are presented. For the first time, excited states have been observed in Pt-203 and Pt-204. The yrast structure of Pt-204 up to spin-parity, I pi = (10(+)) has been tentatively inferred from the internal decay of two isomeric states.

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  • Subatomic Physics
Original languageEnglish
Pages (from-to)1283-1286
JournalActa Physica Polonica. Series B: Elementary Particle Physics, Nuclear Physics, Statistical Physics, Theory of Relativity, Field Theory
Volume38
Issue number4
Publication statusPublished - 2007
Publication categoryResearch
Peer-reviewedYes