Abstract
From the halflife oft 1/2=3.91 (16) ns for the 21 + state in100Sr a deformation parameter ofβ=0.40(1) has been derived. Within the given uncertainties, this value is equal to the recently determinedβ-parameters for98Sr and99Sr, indicating that in the Sr isotopes saturation of deformation is reached immediately at its onset well before neutron midshell. This behaviour is reflected by the “twin” character of98Sr and100Sr with identical features of their unperturbed ground-state rotational bands. These observations are discussed in terms of strong two-nucleon interactions.
Similar content being viewed by others
References
Müller, H.W.: Nucl. Data Sheets35, 281 (1982)
Lhersonneau, G., Pfeiffer, B., Kratz, K.-L., Ohm, H., Sistemich, K.: Z. Phys. A — Atomic Nuclei330, 347 (1988)
Müller, H.W.: Nucl. Data Sheets39, 467 (1983)
Azuma, R.E., Borchert, G.L., Carraz, L.C., Hansen, P.G., Jonson, B., Mattsson, S., Nielsen, O.B., Nyman, G., Ragnarsson, I., Ravn, H.L.: Phys. Lett.86B, 5 (1979)
Ohm, H., Lhersonneau, G., Sistemich, K., Pfeiffer, B., Kratz, K.-L.: Z. Phys. A — Atomic Nuclei327, 483 (1987)
Lhersonneau, G., Gabelmann, H., Kaffrell, N., Kratz, K.-L., Pfeiffer, B. and the ISOLDE Collaboration: Z. Phys. A — Atoms and Nuclei332, 243 (1989)
Pfeiffer, B., Lhersonneau, G., Gabelmann, H., Kratz, K.-L.: (to be published)
Lhersonneau, G.: Nucl. Instrum. Methods157, 349 (1978)
Lhersonneau, G.: Nucl. Instrum. Methods A (to be submitted for publication)
Pfeiffer, B., Monnand, E., Pinston, J.A., Münzel, J., Möller, P., Krumlinde, J., Ziegert, W., Kratz, K.-L.: Z. Phys. A — Atomic Nuclei317, 123 (1984)
Silverans, R.E., Lievens, P., Vermeulen, L., Arnold, E., Neu, W., Neugart, R., Wendt, K., Buchinger, F., Ramsay, E.B., Ulm, G.: Phys. Rev. Lett.60, 2607 (1988)
Mach, H., Moszynski, M., Gill, R.L., Wohn, F.K., Winger, J.A., Hill, J.C., Molnar, G., Sistemich, K.: Phys. Lett. B230, 21 (1989)
Jared, R.C., Nifenecker, H., Thompson, S.G.: Proc. 3rd IAEA Symp. Phys. Chem. Fission, Rochester, 1973 (Vienna: IAEA), Vol. II, 211 (1974)
Cheifetz, E., Selič, H.A., Wolf, A., Chechik, R., Wilhelmy, J.B.: Proc. Int. Workshop on Nucl. Spectr. of Fission Products, Grenoble, France, May 1979; Inst. Phys. Conf. Ser.51, 193 (1980)
Durell, J.L.: Proc. Int. Conf. on the Spectroscopy of Heavy Nuclei, Crete, June 1989; Inst. of Phys. Conf. Ser. (in press)
Ohm, H., Liang, M., Molnar, G., Sistemich, K.: Z. Phys. A — Atomic Nuclei334, 519 (1989)
Lederer, C.M., Shirley, V.S. (Eds.). Table of isotopes. New York: Wiley 1978
Daley, H.J., Nagarajan, M.A., Rowley, N., Morrison, D., May, A.D.: Phys. Rev. Lett.57, 198 (1986)
Pfeiffer, B., Kratz, K.-L.: Z. Phys. A — Atomic Nuclei327, 163 (1987)
Heyde, K., Jolie, J., Moreau, J., Ryckebusch, J., Waroquier, M., Van Duppen, P., Huyse, M., Wood, J.L.: Nucl. Phys. A466, 189 (1987)
Casten, R.F., Heyde, K., Wolf, A.: Phys. Lett.208B, 33 (1988)
Heyde, K., Moreau, J., Waroquier, M.: Phys. Rev. C29, 1859 (1984)
Heyde, K.: Proc. Int. Workshop on Nucl. Structure of the Zirconium Region, Bad Honnef, FRG, April 1988. Res. Rep. in Physics, p. 3. Berlin, Heidelberg, New York: Springer 1988
Author information
Authors and Affiliations
Consortia
Additional information
This work was supported by the German Federal Minister for Research and Technology (BMFT) under contract number 06 MZ 106.