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Title: Lifetime measurements of the first 2 + states in 104,106Zr: Evolution of ground-state deformations

In this study, the first fast-timing measurements from nuclides produced via the in-flight fission mechanism are reported. The lifetimes of the first 2 + states in 104,106Zr nuclei have been measured via β-delayed γ-ray timing of stopped radioactive isotope beams. An improved precision for the lifetime of the 2 + 1 in 104Zr was obtained, τ(2 + 1) = 2.90 +25 –20, as well as a first measurement of the 2 + 1 state in 106Zr, τ(2 + 1) = 2.60 +20 –15 ns, with corresponding reduced transition probabilities.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [5] ;  [5] ;  [5] ;  [6] ;  [7] ;  [8] ;  [8] ;  [9] ;  [10] ;  [11] ;  [7] ;  [5] ;  [12] ;  [13] ;  [14] more »;  [7] ;  [5] ;  [15] ;  [7] ;  [5] ;  [5] ;  [5] ;  [16] ;  [16] ;  [5] ;  [17] ;  [18] ;  [14] ;  [7] ;  [7] ;  [13] ;  [19] ;  [2] ;  [20] ;  [16] ;  [21] ;  [5] ;  [5] ;  [7] ;  [22] ;  [23] ;  [24] « less
  1. Univ. of Brighton, Brighton (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
  2. Univ. of Brighton, Brighton (United Kingdom)
  3. Tohoku Univ., Mihagi (Japan); RIKEN Nishina Center, Saitama (Japan)
  4. Tohoku Univ., Mihagi (Japan)
  5. RIKEN Nishina Center, Saitama (Japan)
  6. RIKEN Nishina Center, Saitama (Japan); Beihang Univ., Beijing (China)
  7. Osaka Univ., Osaka (Japan)
  8. Univ. of Surrey, Guildford (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
  9. Univ. of York, York (United Kingdom); RIKEN Nishina Center, Saitama (Japan)
  10. Peking Univ., Beijing (China); RIKEN Nishina Center, Saitama (Japan)
  11. Univ. of Tokyo, Tokyo (Japan); Univ. of Hong Kong (Hong Kong)
  12. RIKEN Nishina Center, Saitama (Japan); Tohoku Univ., Miyagi (Japan)
  13. Univ. of Surrey, Guildford (United Kingdom)
  14. Univ. de Strasbourg, Strasbourg (France)
  15. RIKEN Nishina Center, Saitama (Japan); Univ. Grenoble-Alpes, Grenoble Cedex (France); ILL, Grenoble Cedex (France)
  16. GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany)
  17. Univ. of Sofia, Sofia (Bulgaria)
  18. Peking Univ., Beijing (China)
  19. Univ. of Surrey, Guildford (United Kingdom); National Physical Lab., Middlesex (United Kingdom)
  20. Univ. of Tokyo, Tokyo (Japan); RIKEN Nishina Center, Saitama (Japan)
  21. Univ. Grenoble-Alpes, Grenoble Cedex (France)
  22. Univ. Autonoma de Madrid, Madrid (Spain); Instituto de Estructura de la Materia, Madrid (Spain); RIKEN Nishina Center, Saitama (Japan)
  23. Yale Univ., New Haven, CT (United States); Technische Univ., Darmstadt, Darmstadt (Germany)
  24. INFN Sezione di Milano, Milano (Italy)
Publication Date:
Grant/Contract Number:
FG02-91ER40609; FG02-91ER-40609
Type:
Published Article
Journal Name:
Physics Letters. Section B
Additional Journal Information:
Journal Volume: 750; Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Research Org:
Yale Univ., New Haven, CT (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
OSTI Identifier:
1222247
Alternate Identifier(s):
OSTI ID: 1241142

Browne, F., Bruce, A. M., Sumikama, T., Nishizuka, I., Nishimura, S., Doornenbal, P., Lorusso, G., Söderström, P. -A., Watanabe, H., Daido, R., Patel, Z., Rice, S., Sinclair, L., Wu, J., Xu, Z. Y., Yagi, A., Baba, H., Chiga, N., Carroll, R., Didierjean, F., Fang, Y., Fukuda, N., Gey, G., Ideguchi, E., Inabe, N., Isobe, T., Kameda, D., Kojouharov, I., Kurz, N., Kubo, T., Lalkovski, S., Li, Z., Lozeva, R., Nishibata, H., Odahara, A., Podolyák, Zs., Regan, P. H., Roberts, O. J., Sakurai, H., Schaffner, H., Simpson, G. S., Suzuki, H., Takeda, H., Tanaka, M., Taprogge, J., Werner, V., and Wieland, O.. Lifetime measurements of the first 2+ states in 104,106Zr: Evolution of ground-state deformations. United States: N. p., Web. doi:10.1016/j.physletb.2015.09.043.
Browne, F., Bruce, A. M., Sumikama, T., Nishizuka, I., Nishimura, S., Doornenbal, P., Lorusso, G., Söderström, P. -A., Watanabe, H., Daido, R., Patel, Z., Rice, S., Sinclair, L., Wu, J., Xu, Z. Y., Yagi, A., Baba, H., Chiga, N., Carroll, R., Didierjean, F., Fang, Y., Fukuda, N., Gey, G., Ideguchi, E., Inabe, N., Isobe, T., Kameda, D., Kojouharov, I., Kurz, N., Kubo, T., Lalkovski, S., Li, Z., Lozeva, R., Nishibata, H., Odahara, A., Podolyák, Zs., Regan, P. H., Roberts, O. J., Sakurai, H., Schaffner, H., Simpson, G. S., Suzuki, H., Takeda, H., Tanaka, M., Taprogge, J., Werner, V., & Wieland, O.. Lifetime measurements of the first 2+ states in 104,106Zr: Evolution of ground-state deformations. United States. doi:10.1016/j.physletb.2015.09.043.
Browne, F., Bruce, A. M., Sumikama, T., Nishizuka, I., Nishimura, S., Doornenbal, P., Lorusso, G., Söderström, P. -A., Watanabe, H., Daido, R., Patel, Z., Rice, S., Sinclair, L., Wu, J., Xu, Z. Y., Yagi, A., Baba, H., Chiga, N., Carroll, R., Didierjean, F., Fang, Y., Fukuda, N., Gey, G., Ideguchi, E., Inabe, N., Isobe, T., Kameda, D., Kojouharov, I., Kurz, N., Kubo, T., Lalkovski, S., Li, Z., Lozeva, R., Nishibata, H., Odahara, A., Podolyák, Zs., Regan, P. H., Roberts, O. J., Sakurai, H., Schaffner, H., Simpson, G. S., Suzuki, H., Takeda, H., Tanaka, M., Taprogge, J., Werner, V., and Wieland, O.. 2015. "Lifetime measurements of the first 2+ states in 104,106Zr: Evolution of ground-state deformations". United States. doi:10.1016/j.physletb.2015.09.043.
@article{osti_1222247,
title = {Lifetime measurements of the first 2+ states in 104,106Zr: Evolution of ground-state deformations},
author = {Browne, F. and Bruce, A. M. and Sumikama, T. and Nishizuka, I. and Nishimura, S. and Doornenbal, P. and Lorusso, G. and Söderström, P. -A. and Watanabe, H. and Daido, R. and Patel, Z. and Rice, S. and Sinclair, L. and Wu, J. and Xu, Z. Y. and Yagi, A. and Baba, H. and Chiga, N. and Carroll, R. and Didierjean, F. and Fang, Y. and Fukuda, N. and Gey, G. and Ideguchi, E. and Inabe, N. and Isobe, T. and Kameda, D. and Kojouharov, I. and Kurz, N. and Kubo, T. and Lalkovski, S. and Li, Z. and Lozeva, R. and Nishibata, H. and Odahara, A. and Podolyák, Zs. and Regan, P. H. and Roberts, O. J. and Sakurai, H. and Schaffner, H. and Simpson, G. S. and Suzuki, H. and Takeda, H. and Tanaka, M. and Taprogge, J. and Werner, V. and Wieland, O.},
abstractNote = {In this study, the first fast-timing measurements from nuclides produced via the in-flight fission mechanism are reported. The lifetimes of the first 2+ states in 104,106Zr nuclei have been measured via β-delayed γ-ray timing of stopped radioactive isotope beams. An improved precision for the lifetime of the 2+1 in 104Zr was obtained, τ(2+1) = 2.90+25–20, as well as a first measurement of the 2+1 state in 106Zr, τ(2+1) = 2.60+20–15 ns, with corresponding reduced transition probabilities.},
doi = {10.1016/j.physletb.2015.09.043},
journal = {Physics Letters. Section B},
number = C,
volume = 750,
place = {United States},
year = {2015},
month = {9}
}