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- Schlegel, C, et al.
(författare)
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K-isomers in very neutron-rich nuclei around mass 180
- 2000
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Ingår i: Physica Scripta. Topical Issues. - 0281-1847. ; T88, s. 72-76
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Tidskriftsartikel (refereegranskat)abstract
- gamma-spectroscopy methods have been used to search for microsecond isomers among the fragmentation products of a 1 GeV/nucleon Pb-208 beam. In particular the population of the known K-pi = 35/2(-) isomer in W-179 has been investigated and several new isomeric decays have been found for neutron rich nuclei in the A approximate to 180-200 mass region. The ground state band of the neutron rich N = 116 system of W-190 has been identified for the first time and we discuss its structure in comparison to neighboring systems.
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- Mineva, Milena, et al.
(författare)
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A New us Isomer in 136Sb Produced in the Projectile Fission of 238U
- 2001
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Ingår i: European Physical Journal A. Hadrons and Nuclei. - 1434-6001. ; 11, s. 9-13
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Tidskriftsartikel (refereegranskat)abstract
- The neutron-rich isotope Sb-136 has been produced following the relativistic projectile fission of U-238 in an experiment performed at the Fragment Separator at GSI, Darmstadt. Delayed gamma -ray spectroscopy of the fission products has been performed after isotope separation. A new isomeric state in Sb-136 has been populated, and its lifetime measured as T-1/2 = 565(50) ns. Realistic and empirical shell-model calculations have been performed and are compared to the experimental observables.
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- Podolyak, Z., et al.
(författare)
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gamma-ray spectroscopy with a He-8 beam
- 2003
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Ingår i: Nuclear Instruments and Methods in Physics Research Section A. - : Elsevier BV. - 0168-9002 .- 1872-9576. ; 511:3, s. 354-359
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Tidskriftsartikel (refereegranskat)abstract
- The He-8 + Pb-208 reaction was studied in the first experiment with the EXOGAM germanium detector array using beam delivered by the SPIRAL facility. gamma-rays from direct and fusion-evaporation reactions were observed with high resolution. gamma-gamma coincidence data were obtained at a beam intensity level of 105 8He particles per second. Specially designed absorbers and beam detectors could further reduce the background radiation by orders of magnitude.
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- Podolyak, Zs., P.M.Walker, H.Mach, G.de France, G.Sletten, F.Azaiez, J.M.Casandjian, B.Cederwall, D.M.Cullen, Zs.Dombradi, G.D.Dracoulis, L.M.Fraile, S.Franchoo, H.Fynbo, M.Gorska, Y.Kopatch, G.J.Lane, S.Mandal, L.Milechina, J.Molnar, C.O'Leary, W.Plocien
(författare)
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g-ray spectroscopy with a 8He beam
- 2003
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Ingår i: Nucl.Instrum.Methods Phys.Res. A. ; 511, s. 354-
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Tidskriftsartikel (refereegranskat)
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