0⁺ states in even-even lead isotopes
Julkaistu sarjassa
Research report / University of Jyväskylä. Department of PhysicsTekijät
Päivämäärä
1989A systematic investigation of excited Q+ states in 202,204,206,208Pb is carried out by means of in-beam conversion-electron and gamma-ray spectroscopy. Several new Q+ states and EO transitions are reported. The measured quantities include transition energies, half-lives, X- and ρ2 values. The results are discussed in view of the published shell model calculations and intruder-states systematics. A comprehensive evaluation of the K/L ratios of EO transitions is
presented. The experimental developments cover, among other things, high-energy electron spectroscopy, new, controversial results concerning detection efficiency of electrons by a semiconductor detector and a revised approach to data analysis of electron spectra. A new compilation of several useful calibration sources for gamma-ray and electron spectroscopy, based partially on present measurements, is included.
ISBN
978-951-39-9890-5Julkaisuun sisältyy osajulkaisuja
- Artikkeli I: Kantele, J., Luontama, M., Trzaska, W., Julin, R., Passoja, A. and Heyde, K. (1986). E0 transitions in 202,204Pb and intruder-state systamatics of even-even lead isotopes. Physics Letters B, 171(2-3), 151-154. DOI: 10.1016/0370-2693(86)91523-6
- Artikkeli II: Julin, R., Kantele, J., Kumpulainen, J., Luontama, M., Passoja, A., Trzaska, W. and Verho, E. and Blomqvist, J. (1987). E0 study of 0+ states near 5 MeV in 208Pb. Physical Review C, 36, 1129. DOI: 10.1103/PhysRevC.36.1129
- Artikkeli III: Julin, R., Luontama, M., Passoja, A., Trzaska, W. (1984). Decay of 0\ states in even-even N=82 nuclei. International Symposium on in-beam nuclear spectroscopy, Debrecen, Hungary, May 1984.
- Artikkeli IV: Yates, S. W., Mann, L. G., Henry, E. A., Decman, D. J., Meyer, R. A., Estep, R. J., Julin, R., Passoja, A., Kantele, J., Trzaska, W. (1987). E0 decays of 0+ states in 146Gd: Search for two-phonon octupole excitations. Physical Review C, 36, 2143. DOI: 10.1103/PhysRevC.36.2143
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Shape Coexistence in the Neutron-Deficient Even-Even Hg182−188 Isotopes Studied via Coulomb Excitation
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E0 and E2 decay of low-lying O+ states in the even-even nuclei 206Pb, 208Po, 112-120Sn and 112,114Cd
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