Detailed spectroscopy of 193Bi
Herzan, A., Juutinen, S., Auranen, K., Grahn, T., Greenlees, P., Hauschild, K., Jakobsson, U., Jones, P., Julin, R., Ketelhut, S., Leino, M., Lopez-Martens, A., Nieminen, P., Nyman, M., Peura, P., Rahkila, P., Rinta-Antila, S., Ruotsalainen, P., Sandzelius, M., . . . Uusitalo, J. (2015). Detailed spectroscopy of 193Bi. Physical Review C, 92(4), Article 044310. https://doi.org/10.1103/PhysRevC.92.044310
Julkaistu sarjassa
Physical Review CTekijät
Päivämäärä
2015Tekijänoikeudet
© 2015 American Physical Society. Published in this repository with the kind permission of the publisher.
An experiment aiming to study shape coexistence in 193Bi has been performed. Due to its transitional character,
it has an exceptionally large number of structures identified close to the yrast line. Many new states have been
found, significantly extending the previously known level scheme of 193Bi, including several new rotational
bands. The π i13/2 band was extended to I π = 45/2+. The I π = 31/2+ member of the π i13/2 band was found
to de-excite also to a long-lived isomeric state. This isomeric state is located at 2350 keV and has a spin and
parity of 29/2+. The half-life of the isomeric state was measured to be 85(3) μs and it decays via the emission
of an 84 keV E2 transition. A level structure feeding this isomeric state was constructed. A low-energy, 49 keV
transition has been identified to depopulate the (29/2−) isomeric state, which places it at an energy 2405 keV
in the level scheme. This is the first time such a decay has been observed in the neutron-deficient Bi isotopes.
A superdeformed band almost identical to that present in the neighboring isotope 191Bi, based on the 1/2[651]
Nilsson orbital, has also been identified.
...
Julkaisija
American Physical SocietyISSN Hae Julkaisufoorumista
0556-2813Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/25274537
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Detailed spectroscopy of 195Bi
Herzan, Andrej; Juutinen, Sakari; Auranen, Kalle; Grahn, Tuomas; Greenlees, Paul; Hauschild, Karl; Jakobsson, Ulrika; Julin, Rauno; Ketelhut, Steffen; Leino, Matti; Lopez-Martens, Araceli; Lönnroth, T.; Nieminen, Päivi; Nyman, Markus; Partanen, Jari; Peura, Pauli; Rahkila, Panu; Ruotsalainen, Panu; Sandzelius, Mikael; Sarén, Jan; Scholey, Catherine; Slotte, J. M. K.; Sorri, Juha; Stolze, Sanna; Uusitalo, Juha (American Physical Society, 2017)An experiment focused on the study of shape coexistence and new high-spin structures in 195 Bi has been performed. The nucleus is in a transitional region of the bismuth isotope chain. A large number of new states ... -
Detailed structure of 131Sn populated in the 𝛽 decay of isomerically purified 131In states
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Detailed spectroscopy of the neutron-deficient bismuth isotopes ¹⁹³,¹⁹⁵Bi
Herzáň, Andrej (University of Jyväskylä, 2015)Two experiments aiming to study the shape coexistence and competing structures in 193Bi and 195Bi isotopes have been performed at the Accelerator laboratory of the University of Jyv askyl a, Finland (JYFL). Many new ... -
Spectroscopy of [sub 199,201]At
Auranen, Kalle (University of Jyväskylä, 2015)The excited states of 199At and 201At were studied using fusion evaporation reactions, a gas-filled recoil separator and various tagging methods. The level scheme of 201At was extended a lot including a cascade of magnetic ... -
Ion traps in nuclear physics : recent results and achievements
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