Superallowed Gamow-Teller decay of the doubly magic nucleus 100Sn. Hinke, C. B., Böhmer, M., Boutachkov, P., Faestermann, T., Geissel, H., Gerl, J., Gernhäuser, R., Górska, M., Gottardo, A., Grawe, H., Grȩbosz, J. L., Krücken, R., Kurz, N., Liu, Z., Maier, L., Nowacki, F., Pietri, S., Podolyák, Z., Sieja, K., Steiger, K., Straub, K., Weick, H., Wollersheim, H. J., Woods, P. J., Al-Dahan, N., Alkhomashi, N., Ataç, A., Blazhev, A., Braun, N. F., Čeliković, I. T., Davinson, T., Dillmann, I., Domingo-Pardo, C., Doornenbal, P. C., De France, G., Farrelly, G. F., Farinon, F., Goel, N., Habermann, T. C., Hoischen, R., Janik, R., Karny, M., Kaşkaş, A., Kojouharov, I. M., Kröll, T., Litvinov, Y., Myalski, S., Nebel, F., Nishimura, S., Nociforo, C., Nyberg, J., Parikh, A. R., Procházka, A., Regan, P. H., Rigollet, C., Schaffner, H., Scheidenberger, C., Schwertel, S., Söderström, P. A., Steer, S. J., Stolz, A., & Strmeň, P. Nature, 486(7403):341–345, jun, 2012.
doi  abstract   bibtex   
The shell structure of atomic nuclei is associated with 'magic numbers' and originates in the nearly independent motion of neutrons and protons in a mean potential generated by all nucleons. During $\beta$ +-decay, a proton transforms into a neutron in a previously not fully occupied orbital, emitting a positron-neutrino pair with either parallel or antiparallel spins, in a Gamow-Teller or Fermi transition, respectively. The transition probability, or strength, of a Gamow-Teller transition depends sensitively on the underlying shell structure and is usually distributed among many states in the neighbouring nucleus. Here we report measurements of the half-life and decay energy for the decay of 100 Sn, the heaviest doubly magic nucleus with equal numbers of protons and neutrons. In the $\beta$-decay of 100Sn, a large fraction of the strength is observable because of the large decay energy. We determine the largest Gamow-Teller strength so far measured in allowed nuclear $\beta$-decay, establishing the superallowed nature of this Gamow-Teller transition. The large strength and the low-energy states in the daughter nucleus, 100In, are well reproduced by modern, large-scale shell model calculations. \textcopyright 2012 Macmillan Publishers Limited. All rights reserved.
@article{hinke_superallowed_2012,
abstract = {The shell structure of atomic nuclei is associated with 'magic numbers' and originates in the nearly independent motion of neutrons and protons in a mean potential generated by all nucleons. During $\beta$ +-decay, a proton transforms into a neutron in a previously not fully occupied orbital, emitting a positron-neutrino pair with either parallel or antiparallel spins, in a Gamow-Teller or Fermi transition, respectively. The transition probability, or strength, of a Gamow-Teller transition depends sensitively on the underlying shell structure and is usually distributed among many states in the neighbouring nucleus. Here we report measurements of the half-life and decay energy for the decay of 100 Sn, the heaviest doubly magic nucleus with equal numbers of protons and neutrons. In the $\beta$-decay of 100Sn, a large fraction of the strength is observable because of the large decay energy. We determine the largest Gamow-Teller strength so far measured in allowed nuclear $\beta$-decay, establishing the superallowed nature of this Gamow-Teller transition. The large strength and the low-energy states in the daughter nucleus, 100In, are well reproduced by modern, large-scale shell model calculations. {\textcopyright} 2012 Macmillan Publishers Limited. All rights reserved.},
annote = {From Duplicate 1 (Superallowed Gamow-Teller decay of the doubly magic nucleus 100Sn - Hinke, C. B.; B{\"{o}}hmer, M.; Boutachkov, P.; Faestermann, T.; Geissel, H.; Gerl, J.; Gernh{\"{a}}user, R.; G{\'{o}}rska, M.; Gottardo, A.; Grawe, H.; Grȩbosz, J. L.; Kr{\"{u}}cken, R.; Kurz, N.; Liu, Z.; Maier, L.; Nowacki, F.; Pietri, S.; Podoly{\'{a}}k, Zs; Sieja, K.; Steiger, K.; Straub, K.; Weick, H.; Wollersheim, H. J.; Woods, P. J.; Al-Dahan, N.; Alkhomashi, N.; Ata{\c{c}}, A.; Blazhev, A.; Braun, N. F.; {\v{C}}elikovi{\'{c}}, I. T.; Davinson, T.; Dillmann, I.; Domingo-Pardo, C.; Doornenbal, P. C.; De France, G.; Farrelly, G. F.; Farinon, F.; Goel, N.; Habermann, T. C.; Hoischen, R.; Janik, R.; Karny, M.; Kaşkaş, A.; Kojouharov, I. M.; Kr{\"{o}}ll, Th; Litvinov, Y.; Myalski, S.; Nebel, F.; Nishimura, S.; Nociforo, C.; Nyberg, J.; Parikh, A. R.; Proch{\'{a}}zka, A.; Regan, P. H.; Rigollet, C.; Schaffner, H.; Scheidenberger, C.; Schwertel, S.; S{\"{o}}derstr{\"{o}}m, P. A.; Steer, S. J.; Stolz, A.; Strmeň, P.)

Publisher: Nature Publishing Group},
author = {Hinke, C. B. and B{\"{o}}hmer, M. and Boutachkov, P. and Faestermann, T. and Geissel, H. and Gerl, J. and Gernh{\"{a}}user, R. and G{\'{o}}rska, M. and Gottardo, A. and Grawe, H. and Grȩbosz, J. L. and Kr{\"{u}}cken, R. and Kurz, N. and Liu, Z. and Maier, L. and Nowacki, F. and Pietri, S. and Podoly{\'{a}}k, Zs and Sieja, K. and Steiger, K. and Straub, K. and Weick, H. and Wollersheim, H. J. and Woods, P. J. and Al-Dahan, N. and Alkhomashi, N. and Ata{\c{c}}, A. and Blazhev, A. and Braun, N. F. and {\v{C}}elikovi{\'{c}}, I. T. and Davinson, T. and Dillmann, I. and Domingo-Pardo, C. and Doornenbal, P. C. and {De France}, G. and Farrelly, G. F. and Farinon, F. and Goel, N. and Habermann, T. C. and Hoischen, R. and Janik, R. and Karny, M. and Kaşkaş, A. and Kojouharov, I. M. and Kr{\"{o}}ll, Th and Litvinov, Y. and Myalski, S. and Nebel, F. and Nishimura, S. and Nociforo, C. and Nyberg, J. and Parikh, A. R. and Proch{\'{a}}zka, A. and Regan, P. H. and Rigollet, C. and Schaffner, H. and Scheidenberger, C. and Schwertel, S. and S{\"{o}}derstr{\"{o}}m, P. A. and Steer, S. J. and Stolz, A. and Strmeň, P.},
doi = {10.1038/nature11116},
issn = {00280836},
journal = {Nature},
month = {jun},
number = {7403},
pages = {341--345},
title = {{Superallowed Gamow-Teller decay of the doubly magic nucleus 100Sn}},
volume = {486},
year = {2012}
}
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