Carroll, R. J., Podolyak, Zs, Berry, T., Grawe, H., Alexander, T., Andreyev, A. N., Ansari, S., Borge, M. J. G., Brunet, M., Creswell, J. R., Fraile, L. M., Fahlander, C., Fynbo, H. O. U., Gamba, E. R., Gelletly, W., Gerst, R-B, Gorska, M., Gredley, A., Greenlees, P. T., Harkness-Brennan, L. J., Huyse, M., Judge, S. M., Judson, D. S., Konki, J., Kurcewicz, J., Kuti, I, Lalkovski, S., Lazarus, I. H., Lica, R., Lund, M., Madurga, M., Marginean, N., Marginean, R., Marroquin, I, Mihai, C., Mihai, R. E., Nacher, E., Negret, A., Nita, C., Pascu, S., Page, R. D., Patel, Z., Perea, A., Phrompao, J., Piersa, M., Pucknell, V, Rahkila, P., Rapisarda, E., Regan, P. H., Rotaru, F., Rudigier, M., Shand, C. M., Shearman, R., Stegemann, S., Stora, T., Sotty, Ch, Tengblad, O., Van Duppen, P., Vedia, V., Wadsworth, R., Walker, P. M., Warr, N., Wearing, F. and De Witte, H. (2020). Competition between Allowed and First-Forbidden beta Decay: The Case of Hg-208 -> Tl-2(0)8. Phys. Rev. Lett., 125 (19). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

The beta decay of Hg-208 into the one-proton hole, one neutron-particle Tl-208(81)127 nucleus was investigated at CERN-ISOLDE. Shell-model calculations describe well the level scheme deduced, validating the proton-neutron interactions used, with implications for the whole of the N > 126, Z < 82 quadrant of neutron-rich nuclei. While both negative and positive parity states with spin 0 and 1 are expected within the Q(beta) window, only three negative parity states are populated directly in the beta decay. The data provide a unique test of the competition between allowed Gamow-Teller and Fermi, and first-forbidden beta decays, essential for the understanding of the nucleosynthesis of heavy nuclei in the rapid neutron capture process. Furthermore, the observation of the parity changing 0(+) -> 0(-)beta decay where the daughter state is core excited is unique, and can provide information on mesonic corrections of effective operators.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Carroll, R. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Podolyak, ZsUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Berry, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grawe, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Alexander, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Andreyev, A. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ansari, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Borge, M. J. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Brunet, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Creswell, J. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fraile, L. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fahlander, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fynbo, H. O. U.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gamba, E. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gelletly, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerst, R-BUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gorska, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gredley, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Greenlees, P. T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Harkness-Brennan, L. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Huyse, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Judge, S. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Judson, D. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Konki, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kurcewicz, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kuti, IUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lalkovski, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lazarus, I. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lica, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lund, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Madurga, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marginean, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marginean, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Marroquin, IUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mihai, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mihai, R. E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nacher, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Negret, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nita, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pascu, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Page, R. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Patel, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Perea, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Phrompao, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Piersa, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pucknell, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rahkila, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rapisarda, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regan, P. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rotaru, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rudigier, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shand, C. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shearman, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stegemann, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stora, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sotty, ChUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tengblad, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Van Duppen, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vedia, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wadsworth, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Walker, P. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Warr, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wearing, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
De Witte, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-312345
DOI: 10.1103/PhysRevLett.125.192501
Journal or Publication Title: Phys. Rev. Lett.
Volume: 125
Number: 19
Date: 2020
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1079-7114
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
NUCLEAR-DATA SHEETS; SELECTION RULEMultiple languages
Physics, MultidisciplinaryMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/31234

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