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1

Digitale Medien

Beta-decay studies of neutron-rich Sc- Cr nuclei (2005)

Gaudefroy, L. ; Sorlin, O. ; Donzaud, C. ; [weitere]

Springer

The European physical journal 23 (2005), S. 41-48

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ISSN: 1434-601X

Schlagwort(e): 27.50.+e 59 ⩽ A ⩽ 89 ; 23.40.-s β decay; double β decay; electron and muon capture ; 21.60.Cs Shell model

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract. The neutron-rich nuclei 2157, 58Sc, 2258-60Ti, 2360-63V, 2462-66Cr have been produced at Ganil via interactions of a 61.8A MeV 76Ge beam with a 58Ni target. Beta-decay studies have been performed using combined β- and γ-ray spectroscopy. Half-lives have been determined and β-decay schemes are proposed for 58Ti, 61V and 62Cr. From these studies, new hints for the existence of β-decaying isomers in 60V and in 62Mn are provided. These results are compared to shell model calculations. The role of the πf7/2- νf5/2 proton-neutron interaction is examined through its influence on the lifetime values.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epja/i2004-10068-x

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2

Digitale Medien

Very neutron-rich exotic nuclei (1994)

Pougheon, F.

Springer

The European physical journal 349 (1994), S. 273-278

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ISSN: 1434-601X

Schlagwort(e): 21.10.gr ; 27.20.+n ; 25.70.Np

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract A brief summary is done of the various types of experiment used in studies of the very neutron rich nuclei. Some highlights are given for the two-neutron halo and11Li nucleus and for the one-neutron halo and11Be nucleus.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01288974

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3

Digitale Medien

Projectile Coulomb excitation with fast radioactive beams (1995)

Anne, R. ; Bazin, D. ; Bimbot, R. ; [weitere]

Springer

The European physical journal 352 (1995), S. 397-401

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ISSN: 1434-601X

Schlagwort(e): 23.20.Ck ; 27.20.+n

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract We report a search for γ rays emanating from Coulomb excitation of fast (30–46 MeV/u) radioactive projectiles8He,11,12,14Be interacting with a lead target. These are clearly identified by their Doppler shift. The 320 keV 1/2− → 1/2+ γ transition from11Be was observed with a cross-section of 191±26 mb which is noticeably less than expected from the known lifetime and in the perturbation limit of pure Coulomb excitation. In the other nuclei rather stringent upper limits of 0.01 to 0.2 Weisskopf units, are placed on the hypothetical transition to 1− states.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01299757

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4

Digitale Medien

Production and identification of new neutron-rich fragments from 33 MeV/u86Kr beam in the 18≦Z≦27 region (1985)

Guillemaud-Mueller, D. ; Mueller, A. C. ; Guerreau, D. ; [weitere]

Springer

The European physical journal 322 (1985), S. 415-418

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ISSN: 1434-601X

Schlagwort(e): 21.10.−k ; 07.75.+h

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The new nuclei47Ar,57Ti,59,60V,61,62Cr,64,65Mn,66,67,68Fe,68,69,70Co haye been produced by fragmentation of a86Kr beam and identified through time of flight andΔE×E measurements. The tentative observation of56Ti,57,58V,60Cr and65Fe by other groups is confirmed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01412075

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5

Digitale Medien

Observation of new neutron rich nuclei29F,35,36Mg,38,39Al,40,41Si,43,44P,45–47S,46–49Cl, and49–51Ar from the interactions of 55 MeV/U48Ca+Ta (1989)

Guillemaud-Mueller, D. ; Penionzhkevich, Yu. E. ; Anne, R. ; [weitere]

Springer

The European physical journal 332 (1989), S. 189-193

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ISSN: 1434-601X

Schlagwort(e): 21.10.−k ; 07.75. + h ; 25.70.NP ; 27.30. + t ; 27.40. + z

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract After magnetic separation, identification through time of flight and δE×E measurements has allowed the observation of the new nuclei,29F,35,36Mg,38,39Al,40,41Si,43,44P,45,46,47S;46,47,48,49Cl;49,50,51Ar from the interaction of a48Ca beam of 55 MeV/u with tantalum targets.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01289774

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6

Digitale Medien

Search for forbiddenβ-decays of the drip line nucleus12Be (1994)

Keller, H. ; Anne, R. ; Bazin, D. ; [weitere]

Springer

The European physical journal 348 (1994), S. 61-62

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ISSN: 1434-601X

Schlagwort(e): 21.10.Tg ; 23.40.Hc ; 21.60.Cs ; 27.20.+n

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Beta-coincidentγ-rays have been measured from implanted pure samples of12Be separated at the LISE3 spectrometer at GANIL. An intensity of 0.040(26) % can be estimated for the branching ratio of the isospin forbidden pure-Fermi transition to the 0+ excited state of12B and of 0.008(6)% of the transition to the 1−1 excited state. Both are taken to represent upper limits. The half-life has been re-measured to be 26.1(2.4) ms.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01291655

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