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NSR database version of April 27, 2024.

Search: Author = A.Etile

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2019GO20      Phys.Rev. C 100, 034302 (2019)

A.Goasduff, J.Ljungvall, T.R.Rodriguez, F.L.Bello Garrote, A.Etile, G.Georgiev, F.Giacoppo, L.Grente, M.Klintefjord, A.Kusoglu, I.Matea, S.Roccia, M.-D.Salsac, C.Sotty

B(E2) anomalies in the yrast band of ¹⁷⁰Os

NUCLEAR REACTIONS ¹⁴²Nd(³²S, 4n)¹⁷⁰Os, E=170 MeV; measured Eγ, Iγ, γγ-coin, half-lives of the first 2+ and 4+ levels by recoil-distance Doppler-shift (RDDS) method using the Orsay universal plunger system, enriched target and ORGAM germanium detector array with ten Compton-suppressed HPGe detectors at the ALTO facility of IPN, Orsay. ¹⁷⁰Os; deduced levels, B(E2). Comparison with state-of-the-art beyond-mean-field calculations.

NUCLEAR STRUCTURE ^{162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198}Os; calculated energies of the first 2+ and 4+ levels and their ratios, B(E2) for the first 2+ and 4+ states for ^168,170,172Os, and PN-VAP potential energy surfaces for g.s., first 2+ and 4+ states in ¹⁷⁰Os. Symmetry conserving configuration mixing (SCCM) calculations using the generator coordinate method (GCM) framework with Hartree-Fock-Bogoliubov states from variation after particle number projection (PN-VAP). Comparison with available experimental data.

doi: 10.1103/PhysRevC.100.034302
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2017GO14      Phys.Lett. B 772, 359 (2017)

A.Gottardo, D.Verney, I.Deloncle, S.Peru, C.Delafosse, S.Roccia, I.Matea, C.Sotty, C.Andreoiu, C.Costache, M.-C.Delattre, A.Etile, S.Franchoo, C.Gaulard, J.Guillot, F.Ibrahim, M.Lebois, M.MacCormick, N.Marginean, R.Marginean, M.Martini, C.Mihai, I.Mitu, L.Olivier, C.Portail, L.Qi, B.Roussiere, L.Stan, D.Testov, J.Wilson, D.T.Yordanov

Unexpected high-energy γ emission from decaying exotic nuclei

RADIOACTIVITY ^80,83Ga(β^-); measured decay products, Eγ, Iγ; deduced γ-ray emissions, B(E1), GT β-decay and E1 strength distributions. Comparison with microscopic Gogny-QRPA calculations.

doi: 10.1016/j.physletb.2017.06.050
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2016GO13      Phys.Rev.Lett. 116, 182501 (2016)

A.Gottardo, D.Verney, C.Delafosse, F.Ibrahim, B.Roussiere, C.Sotty, S.Roccia, C.Andreoiu, C.Costache, M.-C.Delattre, I.Deloncle, a.Etile, S.Franchoo, c.Gaulard, J.Guillot, M.Lebois, M.MacCormick, N.Marginean, R.Marginean, I.Matea, C.Mihai, I.Mitu, L.Olivier, C.Portail, L.Qi, L.Stan, D.Testov, J.Wilson, D.T.Yordanov

First Evidence of Shape Coexistence in the ⁷⁸Ni Region: Intruder 0⁺₂ State in ⁸⁰Ge

RADIOACTIVITY ⁸⁰Ga(β^-) [from U(E, X), E=50 MeV]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced intruder state energy, T_1/2. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.116.182501
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2015ET01      Phys.Rev. C 91, 064317 (2015)

A.Etile, D.Verney, N.N.Arsenyev, J.Bettane, I.N.Borzov, M.C.Mhamed, P.V.Cuong, C.Delafosse, F.Didierjean, C.Gaulard, Nguyen Van Giai, A.Goasduff, F.Ibrahim, K.Kolos, C.Lau, M.Niikura, S.Roccia, A.P.Severyukhin, D.Testov, S.Tusseau-Nenez, V.V.Voronov

Low-lying intruder and tensor-driven structures in ⁸²As revealed by β decay at a new movable-tape-based experimental setup

RADIOACTIVITY ⁸²Ge(β^-)[from ²³⁸U(e, F), E=50 MeV followed by online mass separation using PARRNe mass separator at ALTO ISOL facility of IPN-Orsay]; measured Eγ, Iγ, βγ-, γγ-coin, half-life of ⁸²Ge isotope using BEDO detector assembly. ⁸²As; deduced levels, J, three potential 1+ states, π, β feedings, logft. Comparison with experimental and theoretical values of two 1+ states in ⁸²As and ⁸⁰Ga. Comparison with empirical core-particle coupling model and fully microscopic treatment within Skyrme-QRPA (quasiparticle random-phase approximation) approach. Discussed Gamow-Teller fragmentation due to tensor correlations and couplings to 2p-2h excitations. ⁸²Ga(β^-); measured half-life from growth-decay curve for 1348-keV γ ray, and compared with earlier experimental value. ^81,82,82mAs, ^81,81mGe, ⁸²Ga, ^130,132Sb, ¹³²Sn(β^-), ⁸²Ga(β^-n); observed γ rays from fission fragments present in the sample.

NUCLEAR STRUCTURE ⁸¹Ga, ⁸³As, ⁸⁵Br, ⁸⁷Rb; calculated proton QP energies, occupation probabilities. ⁸⁰Ga, ⁸²As, ⁸⁴Br, ⁸⁶Rb; calculated unperturbed energies of neutron-proton 2-qp states. ⁸¹Ge, ^82,83As, ⁸⁵Kr, ^86,87Rb; calculated levels, J, π. ⁸⁰Ga, ⁸²As; calculated energies and structures of the QRPA dipole (1+) neutron-proton 2-qp states. Comparison with experimental data. Empirical core-particle coupling model and fully microscopic treatment within Skyrme-QRPA approach.

doi: 10.1103/PhysRevC.91.064317
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