6533b872fe1ef96bd12d3c0b
RESEARCH PRODUCT
Spectroscopy of At 201 including the observation of a shears band and the 29/2 + isomeric state
Kalle AuranenJuha UusitaloSakari JuutinenUlrika JakobssonTuomas GrahnPaul GreenleesKarl HauschildAndrej HerzanRauno JulinJoonas KonkiMatti LeinoJanne PakarinenJari PartanenPauli PeuraPanu RahkilaPanu RuotsalainenMikael SandzeliusJan SarénCatherine ScholeyJuha SorriSanna Stolzesubject
neutronnucleusspektroskopiafysiikkadescription
The excited states of 201At were studied and an isomeric 29/2 + state [T1/2 = 3.39(9) μs] was identified by using a fusion-evaporation reaction, a gas-filled recoil separator, and recoil gating techniques. The 29/2 + state is suggested to originate from the π(h9/2) ⊗ |200Po;11− configuration, and it decays through the 269- and 339-keV E2- and E3-type transitions, respectively. Moreover, a cascade of magnetic dipole transitions that is suggested to originate from a shears band was observed by using recoil-gated γ − γ (−γ ) coincidence techniques. peerReviewed
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2015-01-01 |