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Stability of the heaviest elements: $K$ isomer in $^{250}\mathrm{No}$
/ Kallunkathariyil, J (IRFU, Saclay) ; Sulignano, B (IRFU, Saclay) ; Greenlees, P T (Jyvaskyla U.) ; Khuyagbaatar, J (Darmstadt, GSI) ; Theisen, Ch (IRFU, Saclay) ; Auranen, K (Jyvaskyla U.) ; Badran, H (Jyvaskyla U.) ; Bisso, F (Jyvaskyla U.) ; Brionnet, P (Strasbourg, IPHC) ; Briselet, R (IRFU, Saclay) et al.
Decay spectroscopy of $^{250}\mathrm{No}$ has been performed using digital electronics and pulse-shape analysis of the fast nuclear decays for the first time. Previous studies of $^{250}\mathrm{No}$ reported two distinct fission decay lifetimes, related to the direct fission of the ground state and to the decay of an isomeric state but without the possibility to determine if the isomeric state decayed directly via fission or via internal electromagnetic transitions to the ground state. [...]
2020 - 6 p.
- Published in : Phys. Rev. C 101 (2020) 011301
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In-beam γ -ray and electron spectroscopy of $^{249,251}$Md
/ Briselet, R. (IRFU, Saclay) ; Theisen, Ch. (IRFU, Saclay) ; Sulignano, B. (IRFU, Saclay) ; Airiau, M. (IRFU, Saclay) ; Auranen, K. (Jyvaskyla U.) ; Cox, D.M. (Jyvaskyla U. ; Liverpool U.) ; Déchery, F. (IRFU, Saclay ; Strasbourg, IPHC) ; Drouart, A. (IRFU, Saclay) ; Favier, Z. (IRFU, Saclay) ; Gall, B. (Strasbourg, IPHC) et al.
The odd-$Z$ $^{251}$Md nucleus was studied using combined $\gamma$-ray and conversion-electron in-beam spectroscopy. Besides the previously observed rotational band based on the $[521]1/2^-$ configuration, another rotational structure has been identified using $\gamma$-$\gamma$ coincidences. [...]
arXiv:2001.10235.-
2020-07-09 - 16 p.
- Published in : Phys. Rev. C 102 (2020) 014307
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First observation of high-K isomeric states in $^{249}$Md and $^{251}$Md
/ Goigoux, T. (IRFU, Saclay) ; Theisen, Ch. (IRFU, Saclay) ; Sulignano, B. (IRFU, Saclay) ; Airiau, M. (IRFU, Saclay) ; Auranen, K. (Jyvaskyla U.) ; Badran, H. (Jyvaskyla U. ; STUK, Helsinki) ; Briselet, R. (IRFU, Saclay) ; Calverley, T. (Jyvaskyla U. ; Liverpool U.) ; Cox, D. (Jyvaskyla U. ; Liverpool U. ; Lund U.) ; Déchery, F. (IRFU, Saclay) et al.
Decay spectroscopy of the odd-proton nuclei $^{249}$Md and $^{251}$Md has been performed. High-$K$ isomeric states were identified for the first time in these two nuclei through the measurement of their electromagnetic decay. [...]
arXiv:2107.00517.-
2021-12-01 - 14 p.
- Published in : Eur. Phys. J. A 57 (2021) 321
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In-beam spectroscopy with intense ion beams: Evidence for a rotational structure in Fm-246
/ Piot, J (Strasbourg, IPHC) ; Gall, B J P (Strasbourg, IPHC) ; Dorvaux, O (Strasbourg, IPHC) ; Greenlees, P T (Jyvaskyla U.) ; Rowley, N (Orsay, IPN) ; Andersson, L L (Liverpool U.) ; Cox, D M (Liverpool U.) ; Dechery, F (LLB, Saclay) ; Grahn, T (Jyvaskyla U.) ; Hauschild, K (Jyvaskyla U. ; CSNSM, Orsay) et al.
2012 - 6 p.
- Published in : Phys. Rev. C 85 (2012) 041301
APS published version, local copy: PDF;
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5.
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Shell-Structure and Pairing Interaction in Superheavy Nuclei: Rotational Properties of the Z=104 Nucleus Rf-256
/ Greenlees, PT (Jyvaskyla U.) ; Rubert, J (Strasbourg, IPHC) ; Piot, J (Strasbourg, IPHC) ; Gall, B J P (Strasbourg, IPHC) ; Andersson, L L (Liverpool U.) ; Asai, M (JAEA, Ibaraki) ; Asfari, Z (Strasbourg, IPHC) ; Cox, D M (Liverpool U.) ; Dechery, F (DAPNIA, Saclay) ; Dorvaux, O (Strasbourg, IPHC) et al.
2012 - 5 p.
- Published in : Phys. Rev. Lett. 109 (2012) 012501
APS published version, local copy: PDF;
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Investigation of high-K states in No-252
/ Sulignano, B (DAPNIA, Saclay) ; Theisen, Ch (DAPNIA, Saclay) ; Delaroche, J P (CEA DAM) ; Girod, M (CEA DAM) ; Ljungvall, J (CSNSM, Orsay) ; Ackermann, D (Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Antalic, S (Comenius U.) ; Dorvaux, O (Strasbourg, IPHC) ; Drouart, A (DAPNIA, Saclay) ; Gall, B (Strasbourg, IPHC) et al.
2012 - 11 p.
- Published in : Phys. Rev. C 86 (2012) 044318
APS published version, local copy: PDF;
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7.
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Measurements of competing structures in neutron-deficient Pb isotopes by employing Coulomb excitation
/ Cederkäll, J (CERN) ; Delahaye, P (CERN) ; Van de Walle, J (CERN) ; Wenander, F (CERN) ; O'Donnell, D ; Simpson, J ; Davinson, T ; Woods, P ; Clément, E ; Lieb, K P et al.
CERN-INTC-2009-026 ; INTC-CLL-005.
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2009.
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Study of oblate nuclear shapes and shape coexistence in neutron-deficient rare earth isotopes
/ Görgen, A (CEA Saclay, IRFU/SPhN, France) ; Siem, S (University of Oslo, Norway) ; Korten, W (CEA Saclay, IRFU/SPhN, France) ; Obertelli, A (CEA Saclay, IRFU/SPhN, France) ; Sulignano, B (CEA Saclay, IRFU/SPhN, France) ; Theisen, Ch (CEA Saclay, IRFU/SPhN, France) ; Bürger, A (University of Oslo, Norway) ; Guttormsen, M (University of Oslo, Norway) ; Hagen, TW (University of Oslo, Norway) ; Larsen, AC (University of Oslo, Norway) et al.
CERN-INTC-2009-009 ; INTC-P-257.
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2009.
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10.
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Measurements of competing structures in neutron-deficient Pb isotopes by employing Coulomb excitation
/ Cederkäll, J (CERN) ; Delahaye, P (CERN) ; Van de Walle, J (CERN) ; Wenander, F (CERN) ; O’Donnell, D (Daresbury) ; Simpson, J (Daresbury) ; Davinson, T (Edinburgh U.) ; Woods, P (Edinburgh U.) ; Clement, E (GANIL) ; Lieb, K-P (Gottingen U.) et al.
CERN-INTC-2008-025 ; INTC-P-246.
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2008.
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