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Multiple chiral bands in 137Nd
/ Petrache, C.M. (CSNSM, Orsay) ; Lv, B.F. (Lanzhou, Inst. Modern Phys.) ; Chen, Q.B. (Munich, Tech. U.) ; Meng, J. (Peking U., SKLNPT ; Kyoto U., Yukawa Inst., Kyoto) ; Astier, A. (CSNSM, Orsay) ; Dupont, E. (CSNSM, Orsay) ; Zheng, K.K. (CSNSM, Orsay) ; Greenlees, P.T. (Jyvaskyla U.) ; Badran, H. (Jyvaskyla U.) ; Calverley, T. (Jyvaskyla U. ; Liverpool U.) et al.
Two new bands have been identified in 137Nd from a high-statistics JUROGAM II gamma-ray spectroscopy experiment. Constrained density functional theory and particle rotor model calculations are used to assign configurations and investigate the band properties, which are well described and understood. [...]
arXiv:2008.07925.-
2020-08-18 - 10 p.
- Published in : Eur. Phys. J. A 56 (2020) 208
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First observation of high-K isomeric states in 249Md and 251Md
/ 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 249Md and 251Md 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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The SPEDE spectrometer
/ Papadakis, P. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Cox, D.M. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; O'Neill, G.G. (Liverpool U. ; Western Cape U.) ; Borge, M.J.G. (CERN) ; Butler, P.A. (Liverpool U.) ; Gaffney, L.P. (CERN) ; Greenlees, P.T. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Herzberg, R.D. (Liverpool U.) ; Illana, A. (Leuven U.) ; Joss, D.T. (Liverpool U.) et al.
The electron spectrometer, SPEDE, has been developed and will be employed in conjunction with the Miniball spectrometer at the HIE-ISOLDE facility, CERN. SPEDE allows for direct measurement of internal conversion electrons emitted in-flight, without employing magnetic fields to transport or momentum filter the electrons. [...]
arXiv:1709.07449.-
2018-03-12 - 8 p.
- Published in : Eur. Phys. J. A 54 (2018) 42
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Evidence against the wobbling nature of low-spin bands in 135Pr
/ Lv, B.F. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Petrache, C.M. (IJCLab, Orsay) ; Lawrie, E.A. (iThemba LABS ; Western Cape U.) ; Guo, S. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Astier, A. (IJCLab, Orsay) ; Dupont, E. (IJCLab, Orsay) ; Zheng, K.K. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS ; IJCLab, Orsay) ; Ong, H.J. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Wang, J.G. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Zhou, X.H. (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) et al.
The electromagnetic character of the ΔI=1 transitions connecting the one- to zero-phonon and the two- to one-phonon wobbling bands should be dominated by an E2 component, due to the collective motion of the entire nuclear charge. In the present work it is shown, based on combined angular correlation and linear polarization measurements, that the mixing ratios of all analyzed connecting transitions between low-lying bands in 135Pr interpreted as zero-, one-, and two-phonon wobbling bands, have absolute values smaller than one. [...]
arXiv:2106.04879.-
2022-01-10 - 6 p.
- Published in : Phys. Lett. B 824 (2022) 136840
Fulltext: 1-s2.0-S0370269321007802-main - PDF; 2106.04879 - PDF;
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Nuclear moments of indium isotopes reveal abrupt change at magic number 82
/ Vernon, A R (Manchester U. ; MIT ; Leuven U.) ; Garcia Ruiz, R F (MIT ; CERN) ; Miyagi, T (TRIUMF) ; Binnersley, C L (Manchester U.) ; Billowes, J (Manchester U.) ; Bissell, M L (Manchester U.) ; Bonnard, J (York U., England) ; Cocolios, T E (Leuven U.) ; Dobaczewski, J (York U., England) ; Farooq-Smith, G J (Leuven U.) et al.
In spite of the high-density and strongly correlated nature of the atomic nucleus, experimental and theoretical evidence suggests that around particular ‘magic’ numbers of nucleons, nuclear properties are governed by a single unpaired nucleon1,2. A microscopic understanding of the extent of this behaviour and its evolution in neutron-rich nuclei remains an open question in nuclear physics3–5. [...]
2022 - 10 p.
- Published in : Nature
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QCD Challenges from pp to A-A Collisions
/ Adolfsson, J. (Lund U.) ; Andronic, A. (Munster U.) ; Bierlich, C. (Lund U. ; Bohr Inst.) ; Bozek, P. (AGH-UST, Cracow) ; Chakraborty, S. (Lund U.) ; Christiansen, P. (Lund U.) ; Chinellato, D.D. (Campinas State U.) ; Fries, R.J. (Texas A-M ; Texas A-M, Cyclotron Inst.) ; Gustafson, G. (Lund U.) ; van Hees, H. (Frankfurt U.) et al.
This paper is a write-up of the ideas that were presented, developed and discussed at the third International Workshop on QCD Challenges from pp to A-A, which took place in August 2019 in Lund, Sweden. The goal of the workshop was to focus on some of the open questions in the field and try to come up with concrete suggestions for how to make progress on both the experimental and theoretical sides. [...]
arXiv:2003.10997.-
2020-11-09 - 22 p.
- Published in : Eur. Phys. J. A 56 (2020) 288
Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
In : 3rd International Workshop on QCD Challenges from pp to AA, Lund, Sweden, 19 - 23 Aug 2019
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