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13 results on '"Ramström, Elisabet"'

1. Neutron separation energies at N=83 and the isomer position in 136I

Author

Fogelberg, Birger, Mezilev, K.A., Isakov, V.I., Erokhina, K.I., Mach, Henryk, Ramström, Elisabet, Gausemel, H., Fogelberg, Birger, Mezilev, K.A., Isakov, V.I., Erokhina, K.I., Mach, Henryk, Ramström, Elisabet, and Gausemel, H.

Abstract

New experimental total β-decay energies of 135,136Te and of the two isomers of 136I have been obtained, giving much improved accuracy for the nuclear masses of these nuclides. The neutron separation energies at N=83 were deduced and are compared to recent theoretical and systematic predictions. The new results resolve the problem with the excitation energy of the isomeric state of 136I. Theoretical calculations of the isomer splitting of 136I are in good agreement with the new data.

Published
2007
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2. Isomeric and two-quasiparticle states in the neutron-excess odd-odd nucleus 134Sb

Author

Isakov, V.I., Erokhina, K.I., Mach, Henryk, Fogelberg, Birger, Korgul, A., Mezilev, K.A., Ramström, Elisabet, Isakov, V.I., Erokhina, K.I., Mach, Henryk, Fogelberg, Birger, Korgul, A., Mezilev, K.A., and Ramström, Elisabet

Abstract

Detailed theoretical calculations of the properties of the neutron-excess odd–odd nucleus134 Sb are performed by using different theoretical approaches. A comprehensive comparison with the recentexperimental data is performed; this comparison suggests the presence of isomeric states among the low-lying levels of this nucleus. These states are the twins of the corresponding levels of the odd–odd nucleus210 Bi that is situated near the stability line. The obtained results manifest the similarity of nuclear structurein the region of the “remote” doubly magic nucleus 132 Sn and in the region of the classical stable doublymagic nucleus 208 Pb.

Published
2007
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3. Neutron reaction cross section data for advanced nuclear applications

Author

Oberstedt, Andreas, Birgersson, Evert, Tovesson, Fredrik, Hambsch, Franz-Josef, Oberstedt, Stephan, Fritsch, Volker, Vladuca, Gheorghita, Tudora, Annabella, Fogelberg, Birger, Ramström, Elisabet, Oberstedt, Andreas, Birgersson, Evert, Tovesson, Fredrik, Hambsch, Franz-Josef, Oberstedt, Stephan, Fritsch, Volker, Vladuca, Gheorghita, Tudora, Annabella, Fogelberg, Birger, and Ramström, Elisabet

Published
2005

5. Decay properties and Q-beta value of 82As.

Author

Gausemel, H., Mezilev, K. A., Fogelberg, Birger, Mach, Henryk, Ramström, Elisabet, Gausemel, H., Mezilev, K. A., Fogelberg, Birger, Mach, Henryk, and Ramström, Elisabet

Published
2004

8. 233Pa(n,f) cross section up to En=8.5MeV

Author

Tovesson, F., Birgersson, E., Flenéus, M., Fogelberg, Birger, Fritsch, V., Hambsch, F.-J., Oberstedt, A., Oberstedt, S., Ramström, Elisabet, Tudora, A., Vladuca, G., Tovesson, F., Birgersson, E., Flenéus, M., Fogelberg, Birger, Fritsch, V., Hambsch, F.-J., Oberstedt, A., Oberstedt, S., Ramström, Elisabet, Tudora, A., and Vladuca, G.

Published
2004

12. The Pb-208(n,p)Tl-208 reaction at E-n=97 MeV

Author

Ringbom, Anders, Håkansson, Ane, Tibell, Gunnar, Zorro, R, Blomgren, J, Condé, H, Rahm, J, Olsson, N, Ramström, Elisabet, Rönnqvist, T, Jonsson, O, Nilsson, L, Renberg, PU, van der Werf, SY, Lenske, H, Ringbom, Anders, Håkansson, Ane, Tibell, Gunnar, Zorro, R, Blomgren, J, Condé, H, Rahm, J, Olsson, N, Ramström, Elisabet, Rönnqvist, T, Jonsson, O, Nilsson, L, Renberg, PU, van der Werf, SY, and Lenske, H

Abstract

Double-differential cross sections of the Pb-208(n,p) reaction have been measured at 97 MeV in the angular range 0 degrees-30 degrees for excitation energies up to 40 MeV. The experimental proton spectra have been compared with calculated spectra obtained, Addresses: Ringbom A, UNIV UPPSALA, DEPT RADIAT SCI, BOX 535, S-75121 UPPSALA, SWEDEN. UNIV UPPSALA, DEPT NEUTRON RES, S-75121 UPPSALA, SWEDEN. UNIV UPPSALA, SVEDBERG LAB, S-75121 UPPSALA, SWEDEN. KERNFYS VERSNELLER INST, NL-9747 AA GRONINGEN, NETHERLANDS

Published
1997

13. Neutron scattering studies at 21.6 MeV

Author

Olsson, Nils, Trostell, Bertil, Ramström, Elisabet, and Holmqvist, Bertil

Abstract

In order to investigate the properties of the average nuclear field without Coulomb interference and disturbing effects from compound elastic scattering, differential and angle integrated elastic scattering cross sections have been measured with time-of-flight technique for 17 elements, ranging from Be to Bi, at an incident neutron energy of 21.6 MeV. The data for three of the elements, i.e. Al, Y, and Bi, have been analysed in terms of a local, spherical optical model potential.

Published
1986
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