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Digitale Medien

First decay scheme of 113Tc and identification of 113Ru m (1998)

Kurpeta, J. ; Lhersonneau, G. ; Wang, J.C. ; [weitere]

Springer

The European physical journal 2 (1998), S. 241-243

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ISSN: 1434-601X

Schlagwort(e): PACS:27.60.+j 90 ≤ A ≤ 149 – 23.20.Lv Gamma transitions and level energies

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: Very neutron–rich fission products of the mass chain A=113 obtained from the IGISOL on–line mass separator have been investigated by γγ coincidence techniques and γ-spectra multiscaling. Gamma–rays following β–decay of 113Tc have been observed for the first time and a new 0.5 s isomeric state has been found in 113Ru.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s100500050114

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Digitale Medien

Production of neutron-rich nuclei in fission induced by neutrons generated by the p + 13C reaction at 55 MeV (2003)

Stroe, L. ; Lhersonneau, G. ; Andrighetto, A. ; [weitere]

Springer

The European physical journal 17 (2003), S. 57-63

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ISSN: 1434-601X

Schlagwort(e): PACS. 24.75.+i General properties of fission – 25.85.Ec Neutron-induced fission

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: Cross-sections for the production of neutron-rich nuclei obtained by neutron-induced fission of natural uranium have been measured. The neutrons were generated by bombarding a 13C target with 55 MeV protons. The results, position of the maximum in the (Z, A)-plane, width and magnitude, are very comparable with those where the neutrons are generated by bombardment of natural 12C graphite with 50 MeV deuterons. Depending on the geometry of the converter/target assembly the isotope yields, however, are a factor of 2-3 lower due to less efficient production of neutrons per primary projectile, especially at small forward angles.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epja/i2002-10132-7

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Intruder states in even-even neutron-rich Pd isotopes (1998)

Lhersonneau, G. ; Wang, J.C. ; Hankonen, S. ; [weitere]

Springer

The European physical journal 2 (1998), S. 25-27

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ISSN: 1434-601X

Schlagwort(e): PACS:27.60.+j 90 ≤ A ≤ 149 – 23.20.Lv Gamma transitions and level energies

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: The decays of 112Rh g and 112Rh m obtained as on-line mass separated fission products have been investigated by standard β and γ spectroscopic techniques and γ-γ angular correlations. Low-lying 0+ and 2+ states are identified in the daughter nucleus 112Pd. Systematics suggests the existence of an intruder band which is the lowest in 110Pd, i.e. two neutrons before the midshell.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s100500050087

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The decay scheme of the 3-s Isomer of100Nb and the properties of levels in100Mo (1987)

Menzen, G. ; Sistemich, K. ; Lhersonneau, G. ; [weitere]

Springer

The European physical journal 327 (1987), S. 119-126

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ISSN: 1434-601X

Schlagwort(e): 25.85.Ec ; 23.20.En ; 23.20.Gq ; 23.20.Lv ; 27.60.+j

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Theβ − decay of the longer-lived isomer in100Nb has been studied at the fission-product separator JOSEF. Measurements ofγ-ray singles spectra, ofγ-γ coincidences and ofγ-γ angular correlations have been performed. A value oft 1/2=2.99(11)s has been determined for the isomer which probably hasI π=4+ or 5+. A scheme of the levels of100Mo which are populated in the decay of this isomer has been established. Information on the spins of several states of100Mo has been obtained. Thus,I=0 levels have been identified at 1,505, 2,038 and 2,087 keV. The mixing ratios have been determined for the 22 +→21 + and 23 +→21 + transitions. The results provide evidence for a vibrational structure of100Mo with separate bands based on the ground state and on the first excited 0+ level.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01295258

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