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Testing ab initio nuclear structure in neutron-rich nuclei: lifetime measurements of second 2$^+$ states in $^{16}$C and $^{20}$O / Ciemala, M. (Cracow, INP) ; Ziliani, S. (Milan U. ; INFN, Milan) ; Crespi, F.C.L. (Milan U. ; INFN, Milan) ; Leoni, S. (Milan U. ; INFN, Milan) ; Fornal, B. (Cracow, INP) ; Maj, A. (Cracow, INP) ; Bednarczyk, P. (Cracow, INP) ; Benzoni, G. (INFN, Milan) ; Bracco, A. (Milan U. ; INFN, Milan) ; Boiano, C. (INFN, Milan) et al.
To test the predictive power of ab initio nuclear structure theory, the lifetime of the second 2+ state in neutron-rich 20O, tau(2+_2 ) = 150(+80-30) fs, and an estimate for the lifetime of the second 2+ state in 16C have been obtained, for the first time. The results were achieved via a novel Monte Carlo technique that allowed us to measure nuclear state lifetimes in the tens-to-hundreds femtoseconds range, by analyzing the Doppler-shifted gamma-transition line shapes of products of low-energy transfer and deep-inelastic processes in the reaction 18O (7.0 MeV/u) + 181Ta. [...]
arXiv:2002.04814.- 2020-02-28 - 7 p. - Published in : Phys. Rev. C 101 (2020) 021303 Fulltext: PDF; Published fulltext: PhysRevC.101.021303 - PDF; 0144fdb9ec521f98f02c56efc9fa40a9 - PDF;

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Lifetime measurements in $^{52,54}$Ti to study shell evolution toward $N=32$ / AGATA Collaboration
Lifetimes of the excited states in the neutron-rich Ti52,54 nuclei, produced in a multinucleon-transfer reaction, were measured by employing the Cologne plunger device and the recoil-distance Doppler-shift method. The experiment was performed at the Grand Accélérateur National d'Ions Lourds facility by using the Advanced Gamma Tracking Array for the γ-ray detection, coupled to the large-acceptance variable mode spectrometer for an event-by-event particle identification. [...]
2019 - 12 p. - Published in : Phys. Rev. C 100 (2019) 054317 Fulltext: PDF;

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Effects of one valence proton on seniority and angular momentum of neutrons in neutron-rich $^{122-131}$Sb$_{51}$ isotopes / Biswas, S. (GANIL) ; Lemasson, A. (GANIL) ; Rejmund, M. (GANIL) ; Navin, A. (GANIL) ; Kim, Y.H. (GANIL) ; Michelagnoli, C. (GANIL) ; Stefan, I. (Orsay, IPN) ; Banik, R. (Calcutta, VECC ; HBNI, Mumbai) ; Bednarczyk, P. (Cracow, INP) ; Bhattacharya, S. (Calcutta, VECC ; HBNI, Mumbai) et al.
The neutron-rich $^{122-131}$Sb isotopes were produced as fission fragments in the reaction $^{9}$Be($^{238}$U,~f) with 6.2 MeV/u beam energy. An unique setup, consisting of AGATA, VAMOS++ and EXOGAM detectors, was used which enabled the prompt-delayed gamma-ray ($\gamma$) spectroscopy of fission fragments in the time range of 100 ns - 200 $\mu$s. [...]
arXiv:1906.01245.- 2019-06-03 - 21 p. Fulltext: PDF;

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Pairing-quadrupole interplay in the neutron-deficient tin nuclei: first lifetime measurements of low-lying states in $^{106,108}$Sn / Siciliano, M. (INFN, Legnaro ; Padua U. ; IRFU, Saclay) ; Valiente-Dobón, J.J. (INFN, Legnaro) ; Goasduff, A. (INFN, Legnaro ; Padua U. ; INFN, Padua) ; Nowacki, F. (Strasbourg, IPHC) ; Zuker, A.P. (Strasbourg, IPHC) ; Bazzacco, D. (INFN, Padua) ; Lopez-Martens, A. (CSNSM, Orsay) ; Clément, E. (GANIL) ; Benzoni, G. (INFN, Milan) ; Braunroth, T. (Cologne U.) et al.
The lifetimes of the low-lying excited states $2^+$ and $4^+$ have been directly measured in the neutron-deficient $^{106,108}$Sn isotopes. The nuclei were populated via a deep-inelastic reaction and the lifetime measurement was performed employing a differential plunger device. [...]
arXiv:1905.10313.- 2020-07-10 - 6 p. - Published in : Phys. Lett. B 806 (2020) 135474 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from publisher: PDF;

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Pseudospin Symmetry and Microscopic Origin of Shape Coexistence in the $^{78}$Ni Region: A Hint from Lifetime Measurements / Delafosse, C (Orsay, IPN) ; Verney, D (Orsay, IPN) ; Marević, P (Orsay, IPN ; CEA DAM) ; Gottardo, A (Orsay, IPN) ; Michelagnoli, C (GANIL) ; Lemasson, A (GANIL) ; Goasduff, A (INFN, Legnaro) ; Ljungvall, J (CSNSM, Orsay) ; Clément, E (GANIL) ; Korichi, A (CSNSM, Orsay) et al.
Lifetime measurements of excited states of the light $N=52$ isotones $^{88}$Kr, $^{86}$Se, and $^{84}$Ge have been performed, using the recoil distance Doppler shift method and VAMOS and AGATA spectrometers for particle identification and gamma spectroscopy, respectively. The reduced electric quadrupole transition probabilities $B(E2;2^+ \rightarrow 0^+)$ and $B(E2;4^+ \rightarrow 2^+)$ were obtained for the first time for the hard-to-reach $^{84}$Ge. [...]
2018 - 7 p. - Published in : Phys. Rev. Lett. 121 (2018) 192502 Fulltext: PDF;

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Directed and elliptic flow in $^{197}Au+^{197}Au$ at intermediate energies / INDRA Collaboration
DAPNIA-2005-32.- Saclay : DAPNIA, 2005 - 8 p. - Published in : Phys. Lett. B 608 (2005) 223-230 Fulltext: PDF; - CERN library copies

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Exclusive Spallation Measurements on 56Fe+p with the SPALADIN setup / Pietri, S ; Böhmer, J ; Lafriakh, A ; Le Gentil, E ; Aumann, T ; Bacri, C O ; Benlliure, J ; Boudard, A ; Casarejos, E ; Combet, Michel Philippe et al.
2006 - Published in : AIP Conf. Proc.: 831 (2006) , pp. 535-537 External link: Published version from AIP
In : International Conference on Frontiers in Nuclear Structures, Astrophysics and Reactions, Kos, Greece, 12 - 17 Sep 2005, pp.535-537

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Statistical multifragmentation of non-spherical expanding sources in central heavy-ion collisions / Lefèvre, A ; Ploszajczak, M ; Toneev, V D
We study the anisotropy effects measured with INDRA at GSI in central collisions of sup 1 sup 2 sup 9 Xe+ sup n sup a sup t Sn at 50 A MeV and sup 1 sup 9 sup 7 Au+ sup 1 sup 9 sup 7 Au at 60, 80, 100 A MeV incident energy. [...]
GSI-2003-30. - 2003. - 37 p.
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Vaporization of the Ar + Ni system studied with the 4$\pi$ multidetector INDRA / Bacri, C O ; Borderie, B ; Charvet, J L ; Dayras, R ; López, O ; Ouatizerga, A ; Rivet, M F ; Auger, G ; Benkirane, A ; Benlliure, J et al.
IPNO-DRE-94-22. - 1994. - 18 p.
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10.

Bimodality in binary Au + Au collisions from 60 to 100 MeV/u / INDRA Collaboration
LPCC-2003-04. - 2003. - 17 p.
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See also: similar author names
3	Lefevre, A.
1	Lefevre, Alexandre
1	Lefevre, Augustin
87	Lefèvre, A

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