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NSR database version of April 11, 2024.

Search: Author = R.D.Lasseri

Found 7 matches.

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2021EB01      J.Phys.(London) G48, 025106 (2021)

J.-P.Ebran, E.Khan, R.-D.Lasseri

Nucleonic localisation and alpha radioactivity

RADIOACTIVITY 186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218Po, 194,196,198,200,202,204,206,208,210,212,214,216,218,220,222Rn, 202,204,206,208,210,212,214,216,218,220,222,224,226Ra, 104Te(α); calculated T1/2. Comparison with available data.

doi: 10.1088/1361-6471/abcf25
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2020EB01      Phys.Rev. C 102, 014305 (2020)

J.-P.Ebran, M.Girod, E.Khan, R.D.Lasseri, P.Schuck

α-particle condensation: A nuclear quantum phase transition

NUCLEAR STRUCTURE 16O; calculated binding energy as a function of deformation parameters β20, β30, β32, nucleon radial density for rms radii, neutron single particle levels, single-nucleon occupation numbers, Mott-like transition towards α-clusterized states using microscopic energy density functional (EDF) theory with the relativistic and the Gogny approaches. Discussed phase transition in nucleon density from Fermi gas to tetrahedral α-clustered configuration at critical density.

doi: 10.1103/PhysRevC.102.014305
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2020LA08      Phys.Rev.Lett. 124, 162502 (2020)

R.-D.Lasseri, D.Regnier, J.-P.Ebran, A.Penon

Taming Nuclear Complexity with a Committee of Multilayer Neural Networks

NUCLEAR STRUCTURE N<250; calculated the ground-state andexcited energies of more than 1800 atomic nuclei with an accuracy akin to the one achieved by state-of-the-art nuclear energy density functionals (EDFs).

doi: 10.1103/PhysRevLett.124.162502
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2020ME08      Phys.Rev. C 102, 011301 (2020)

F.Mercier, J.Zhao, R.D.Lasseri, J.-P.Ebran, E.Khan, T.Niksic, D.Vretenar

Microscopic description of the self-conjugate 108Xe and 104Te α-decay chain

RADIOACTIVITY 108Xe, 104Te(α); calculated deformation energy surfaces in (β20, β30) and (β20, β40) planes, total nucleon density of the fragments around scission for α emission, T1/2 using self-consistent microscopic energy density functional framework with relativistic density functional DD-PC1 Comparison with experimental half-lives.

doi: 10.1103/PhysRevC.102.011301
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2018EB02      Phys.Rev. C 97, 061301 (2018)

J.-P.Ebran, E.Khan, R.-D.Lasseri, D.Vretenar

Single-particle spatial dispersion and clusters in nuclei

NUCLEAR STRUCTURE 288Cf; calculated radial dispersion of the single-neutron, and harmonic-oscillator wave functions. Z=1-120, N=1-200; calculated radial dispersion of single-particle states of valence nucleons. 20Ne; calculated single-particle neutron levels, dispersion of valence neutron wave function, and partial intrinsic valence neutron densities as a function of axial deformation. Self-consistent relativistic mean-field (RMF) framework based on nuclear energy density functionals, and with the harmonic-oscillator approximation for the nuclear potential.

doi: 10.1103/PhysRevC.97.061301
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2018LA09      Phys.Rev. C 98, 014310 (2018)

R.-D.Lasseri, J.-P.Ebran, E.Khan, N.Sandulescu

Localization of pairing correlations in nuclei within relativistic mean field models

NUCLEAR STRUCTURE 66Ni, 124Sn, 200Pb; calculated ground state energies, rms neutron radii, pairing energies, mean distance between two neutrons, average coherence lengths for pairing tensor and Cooper pair wave function, and two-body correlation functions. 120Sn; calculated coherence length for various intensities of the pairing force, and uivi for single-particle states. Relativistic Hartree-Bogoliubov (RHB) and relativistic mean field (RMF) plus projected BCS (RHB+RMF+PBCS) models.

doi: 10.1103/PhysRevC.98.014310
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2017PI07      Phys.Rev. D 95, 075026 (2017)

H.Pihan-Le Bars, C.Guerlin, R.-D.Lasseri, J.-P.Ebran, Q.G.Bailey, S.Bize, E.Khan, P.Wolf

Lorentz-symmetry test at Planck-scale suppression with nucleons in a spin-polarized 133Cs cold atom clock

ATOMIC PHYSICS 133Cs; analyzed available data; deduced an improved model that links the frequency shift of the 133Cs hyperfine Zeeman transitions to the Lorentz-violating Standard Model extension (SME) coefficients of the proton and neutron.

doi: 10.1103/PhysRevD.95.075026
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