26 Result(s)
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Article
A. Blazhev
Nuclear Fusion
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Study of \(N=50\) gap evolution around \(Z=32\) : new structure information for \({}^{82}\) Ge
Medium spin states of light N = 50 isotones have been populated using fast neutron-induced fission of \({}^{232}\) ...
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Open AccessIn-beam \(\gamma \) -ray spectroscopy of \(^{94}\) Ag
A recoil-beta-tagging experiment has been performed to study the excited \(T=0\) T ...
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Open AccessLifetime measurements in \(^{182}\hbox {Pt}\) using \(\gamma \) – \(\gamma \) fast-timing
The level lifetimes of the \(2_1^+\) 2 1 + ...
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Experimental evidence for low-lying quadrupole isovector excitation of \(^{208}\) Po
We present the results from an experiment dedicated to measure the lifetime of the \(2^+_2\) 2 2 + state, candidate for the one-phonon mixed-symmetry state, of \(^{208}\) 208 Po. This nucleus was stud...
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Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the \(\pi (p_{3/2})\rightarrow \pi (p_{1/2})\) spin-flip transition in \(^{85}\hbox {Br}\)
A first performance test of the Coulomb excitation multipolarimetry (Coulex-multipolarimetry) method is presented. It is based on a \(^{85}\hbox {Br}\,\pi p_{3/2}\rightarrow \pi p_{1/2}\)85Brπp3/2→πp1/2 spin-flip...
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Open AccessSearch for proton emission of the isomeric \(\mathbf {10^+}\) state in \(\mathbf {^{54}}\)Ni
Several experiments were conducted at the 10 MV Van-de-Graaff tandem accelerator at the Institute of Nuclear Physics, Cologne, to detect proton emission from the isomeric 6457-keV \(10^+\)10+ state in $$^{54}\hbo...
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Open AccessElectromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg
The neutron-deficient mercury isotopes serve as a classical example of shape coexistence, whereby at low energy near-degenerate nuclear states characterized by different shapes appear. The electromagnetic stru...
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Lifetime measurement of excited states in 46Ti
The level lifetimes of the yrast 21+, 41+ and 61+ states and an upper limit of the lifetime of the 81+ state in 46Ti have been measured with high accuracy exploiting the recoil distance Doppler-shift method (RDDS...
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A revised B(E2;2+ 1 \( \rightarrow\) 0+ 1) value in the semi-magic nucleus 210Po
The lifetimes of the \( 2^+_1\) 2 ...
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Collective 2+ 1 excitations in 206Po and 208,210Rn
In the present study, \(B(E2; 2^{+}_{1}\rightarrow 0^{+}_{1})\) ...
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Low-energy Coulomb excitation of 62Fe and 62Mn following in-beam decay of 62Mn
Sub-barrier Coulomb excitation was performed on a mixed beam of 62Mn and 62Fe, following in-trap β − decay of 62Mn at REX-ISOLDE, CERN. The trap** and charge breeding times were ...
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Open AccessThe Miniball spectrometer
The Miniball germanium detector array has been operational at the REX (Radioactive ion beam EXperiment) post accelerator at the Isotope Separator On-Line facility ISOLDE at CERN since 2001. During the last decade...
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Open AccessCoulomb excitation of 107Sn
The radioactive isotope 107Sn was studied using Coulomb excitation at the REX-ISOLDE facility at CERN. This is the lightest odd-Sn nucleus examined using this technique. The reduced transition probability of the ...
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Coulomb excitation of the odd-odd isotopes 106, 108In
The low-lying states in the odd-odd and unstable isotopes 106, 108In have been Coulomb excited from the ground state and the first excited isomeric state at the REX-ISOLDE facility at CERN. With the additional da...
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Evidence for an isomeric 3/2- state in 53Co
The fragmentation of a 550MeV/u primary beam of 58Ni on a 9Be target has been used to measure time- and energy-correlated γ decays following the implantation of event-by-event discriminated secondary fragments in...
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Beta decay of 101Sn
The β decay of the very neutron-deficient isotope 101Sn was studied at the GSI on-line mass separator using silicon detectors for recording charged particles and germanium detectors for γ-ray spectroscopy. Based ...
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Gamow-Teller beta decay of 105Sn
The β-decay of 105Sn was re-investigated at the ISOL facility of GSI Darmstadt by using a total absorption spectrometer. The experimental results include the half-life and β-delayed proton branching ratio of 32.7...
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Beta decay of 94Pd and of the 71 s isomer of 94Rh
The β decay of 94Pd and of the 71s isomer of 94Rh was investigated by using total γ-ray absorption techniques. Several levels in 94Rh are established, including a new low-lying isomer characterized by a half-life...
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Nuclear structure far off stability --Implications for nuclear astrophysics
The single-particle structure and shell gap of 100Sn as inferred from previous in-beam γ-ray spectroscopy has been confirmed in recent studies of seniority and spin-gap isomers by γγ, βγ, βpγ, pγ and 2pγ spectros...
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Beta decay of the proton-rich nuclei 102Sn and 104Sn
The β decays of 102Sn and 104Sn were studied by using high-resolution germanium detectors as well as a Total Absorption Spectrometer (TAS). For 104Sn, with three new β-delayed γ-rays identified, the total Gamow-T...
