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Fission and gamma-ray decay of the238U shape isomer (1992)

Steinmayer, M. ; Löbner, K. E. G. ; Corradi, L. ; [weitere]

Springer

The European physical journal 341 (1992), S. 145-154

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Details

ISSN: 1434-601X

Schlagwort(e): 23.20.Ck ; 23.20.Lv ; 25.85.Ge ; 27.90.+b

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The decay of the238U superdeformed shape isomer has been reinvestigated by detecting for the first time simultaneously the fission and the gamma-back decay. An electrostatic deflection system has been used to transport the238mU recoils, produced in a238U(d, pn) reaction with a pulsed beam of 18 MeV deuterons, in front of a detector set-up consisting of three ion-implanted solidstate detectors and a Ge(Li) gamma-detector. The gamma-back decay has been measured in coincidence with conversion electrons of the 2+ → 0+ transition deexciting the first rotational state in238U. Two gamma-transitions of 2.513 MeV and 1.878 MeV have been observed with half-lives consistent with the result obtained for the decay by delayed fissionT 1/2=(298±18) ns.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01298474

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