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$\beta$ decay studies of neutron-deficient gallium isotopes with Lucrecia
/ Guadilla, Victor (University of Warsaw) ; Agramunt, Jorge (Instituto de Fisica Corpuscular) ; Algora, Alejandro (Instituto de Fisica Corpuscular) ; Araszkiewicz, Martyna (University of Warsaw) ; Au, Mia (ISOLDE, CERN) ; Bernerd, Cyril (ISOLDE, CERN) ; Briz, Jose Antonio (Universidad Complutense de Madrid) ; Chrysalidis, Katerina (ISOLDE, CERN) ; Fijałkowska, Alexandra (University of Warsaw) ; Fraile, Luis Mario (Universidad Complutense de Madrid) et al.
CERN-INTC-2024-063 ; INTC-P-718.
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2024.
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Direct measurement of superallowed beta transitions with Lucrecia
/ Guadilla, Victor (University of Warsaw) ; Agramunt, Jorge (Instituto de Fisica Corpuscular) ; Algora, Alejandro (Instituto de Fisica Corpuscular) ; Au, Mia (ISOLDE-CERN) ; Bernerd, Cyril (ISOLDE-CERN) ; Chrysalidis, Katerina (ISOLDE-CERN) ; Fijałkowska, Alexandra (University of Warsaw) ; Gelletly, William (University of Surrey) ; Heinke, Reinhard (ISOLDE-CERN) ; Korgul, Agnieszka (University of Warsaw) et al.
CERN-INTC-2023-057 ; INTC-I-259.
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2023.
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$^{178}\mathrm{Hg}$ and asymmetric fission of neutron-deficient pre-actinides
/ Jhingan, A. (IUCAA, Pune) ; Schmitt, C. (Strasbourg, IPHC) ; Lemasson, A. (GANIL) ; Biswas, S. (GANIL) ; Kim, Y.H. (IBS, Daejeon, CENS) ; Ramos, D. (GANIL) ; Andreyev, A.N. (York U., England ; CERN ; JAERI, Tokai) ; Curien, D. (Strasbourg, IPHC) ; Ciemała, M. (Cracow, INP) ; Clément, E. (GANIL) et al.
Fission at low excitation energy is an ideal playground to probe the impact of nuclear structure on nuclear dynamics. While the importance of structural effects in the nascent fragments is well-established in the (trans-)actinide region, the observation of asymmetric fission in several neutron-deficient pre-actinides can be explained by various mechanisms. [...]
arXiv:2211.01879.-
2022-10-19 - 9 p.
- Published in : Phys. Rev. C 106 (2022) 044607
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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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Evidence for enhanced neutron-proton correlations from the level structure of the $N=Z+1$ nucleus $_{43}^{87}\mathrm{Tc}_{44}$
/ Liu, X. (Royal Inst. Tech., Stockholm ; Beijing, GUCAS ; Lanzhou, Inst. Modern Phys.) ; Cederwall, B. (Royal Inst. Tech., Stockholm) ; Qi, C. (Royal Inst. Tech., Stockholm) ; Wyss, R.A. (Royal Inst. Tech., Stockholm) ; Aktas, Ö. (Royal Inst. Tech., Stockholm) ; Ertoprak, A. (Royal Inst. Tech., Stockholm) ; Zhang, W. (Royal Inst. Tech., Stockholm) ; Clément, E. (GANIL) ; de France, G. (GANIL) ; Ralet, D. (CSNSM, Orsay) et al.
The low-lying excited states in the neutron-deficient $N=Z+1$ nucleus $^{87}_{43}$Tc$^{\ }_{44}$ have been studied via the fusion-evaporation reaction $^{54}$Fe($^{36}$Ar, $2n1p$)$^{87}$Tc at the Grand Accélérateur National d'Ions Lourds (GANIL), France. The AGATA spectrometer was used in conjunction with the auxiliary NEDA, Neutron Wall, and DIAMANT detector arrays to measure coincident prompt $\gamma$-rays, neutrons, and charged particles emitted in the reaction. [...]
arXiv:2109.06292.-
2021-08-20 - 5 p.
- Published in : Phys. Rev. C 104 (2021) L021302
Fulltext: PhysRevC.104.L021302 - PDF; 2109.06292 - PDF;
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Probing exotic cross-shell interactions at $N=28$ with single-neutron transfer on $^{47}$K
/ Paxman, C.J. (Surrey U.) ; Matta, A. (LPC, Caen) ; Catford, W.N. (Surrey U.) ; Lotay, G. (Surrey U.) ; Assié, M. (IJCLab, Orsay) ; Clément, E. (GANIL) ; Lemasson, A. (GANIL) ; Ramos, D. (GANIL) ; Orr, N.A. (LPC, Caen) ; Galtarossa, F. (IJCLab, Orsay) et al.
We present the first measurement of the $^{47}$K($d,p\gamma$)$^{48}$K transfer reaction, performed in inverse kinematics using a reaccelerated beam of $^{47}$K. [...]
arXiv:2409.12594.
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Beta-decay spectroscopy of 27Na and 22O for isospin asymmetry studies in the sd shell
/ Guadilla, Victor (University of Warsaw) ; Pfützner, Marek (University of Warsaw) ; Agramunt, Jorge (Instituto de Fisica Corpuscular) ; Algora, Alejandro (Instituto de Fisica Corpuscular) ; Andreyev, Andrei (University of York) ; de Angelis, Giacomo (Laboratori Nazionali di Legnaro) ; Beloeuvre, Arthur (Subatech) ; Benito, Jaime (Universidad Complutense de Madrid) ; Borge, Maria Jose Garcia (Instituto de Estructura de la Materia) ; Briz, Jose Antonio (Instituto de Estructura de la Materia) et al.
CERN-INTC-2021-004 ; INTC-P-590.
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2021.
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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.
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Search for $^{22}$Na in novae supported by a novel method for measuring femtosecond nuclear lifetimes
/ Fougères, Chloé (GANIL ; Argonne, PHY) ; de Oliveira Santos, François (GANIL) ; José, Jordi (Barcelona U. ; Barcelona, IEEC) ; Michelagnoli, Caterina (Laue-Langevin Inst.) ; Clément, Emmanuel (GANIL) ; Kim, Yung Hee (GANIL ; IBS, Daejeon, CENS) ; Lemasson, Antoine (GANIL) ; Guimarães, Valdir (Sao Paulo U.) ; Barrientos, Diego (CERN) ; Bemmerer, Daniel (HZDR, Dresden) et al.
Classical novae are thermonuclear explosions in stellar binary systems, and important sources of $^{26}$Al and $^{22}$Na. While gamma rays from the decay of the former radioisotope have been observed throughout the Galaxy, $^{22}$Na remains untraceable. [...]
arXiv:2212.06302.-
2023-09-05 - 18 p.
- Published in : Nature Commun. 14 (2023) 4536
Fulltext: document - PDF; 2212.06302 - PDF;
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Normal and intruder configurations in $^{34}$Si populated in the $\beta^-$ decay of $^{34}$Mg and $^{34}$Al
/ IDS Collaboration
The structure of $^{34}$Si was studied through $\gamma$ spectroscopy separately in the $\beta^-$ decays of $^{34}$Mg and $^{34}$Al at the ISOLDE facility of CERN. Different configurations in $^{34}$Si were populated independently from the two recently identified $\beta$-decaying states in $^{34}$Al having spin-parity assignments $J^\pi = 4^-$ dominated by the normal configuration $\pi (d_{5/2})^{-1} \otimes \nu (f_{7/2})$ and $J^\pi = 1^+$ by the intruder configuration $\pi (d_{5/2})^{-1} \otimes \nu (d_{3/2})^{-1}(f_{7/2})^{2}$. [...]
arXiv:1908.11626.-
2019-09-12 - 11 p.
- Published in : Phys. Rev. C 100 (2019) 034306
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