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NSR database version of May 22, 2024.

Search: Author = S.A.Giuliani

Found 18 matches.

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2024GI06      Phys.Rev. C 109, 044321 (2024)

S.A.Giuliani, L.M.Robledo

Odd nuclei and quasiparticle excitations within the Barcelona Catania Paris Madrid energy density functional

doi: 10.1103/PhysRevC.109.044321
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2024LA05      Phys.Rev. C 109, 044305 (2024)

D.Lay, E.Flynn, S.A.Giuliani, W.Nazarewicz, L.Neufcourt

Neural network emulation of spontaneous fission

doi: 10.1103/PhysRevC.109.044305
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2024LA06      Phys.Rev. C 109, 044306 (2024)

D.Lay, E.Flynn, S.Agbemava, K.Godbey, W.Nazarewicz, S.A.Giuliani, Jh.Sadhukhan

Multimodal fission from self-consistent calculations

doi: 10.1103/PhysRevC.109.044306
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2023GI12      Eur.Phys.J. A 59, 301 (2023)

S.A.Giuliani, L.M.Robledo

Cluster properties of heavy nuclei predicted with the Barcelona-Catania-Paris-Madrid energy density functional

RADIOACTIVITY 224Ra(14C), 238Pu(30Mg); calculated spatial mass distributions, fission paths, cluster decay paths, Cluster decay T1/2 employing the Barcelona-Catania-Paris-Madrid (BCPM) energy density functional (EDF).

doi: 10.1140/epja/s10050-023-01210-5
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2022SA04      Phys.Rev. C 105, 014619 (2022)

J.Sadhukhan, S.A.Giuliani, W.Nazarewicz

Theoretical description of fission yields: Toward a fast and efficient global model

NUCLEAR REACTIONS 235U, 239Pu, 251Cf, 255Fm(n, F), E=thermal; calculated mass and charge fission fragment distributions, total neutron multiplicities, secondary (post-neutron emission) mass and charge fission fragment distributions, charge polarization of heavy fragments in 235U(n, F); predicted odd-even staggering (OES) in charge yields and for neutron evaporation. Microscopic-statistical model of fission fragment distribution with fission trajectories from the density functional theory framework.Comparison with experimental data.

RADIOACTIVITY 254Pu, 252Cf, 254,256,264,290Fm, 294Og(SF); calculated total neutron multiplicities for fission of 252Cf and 254Fm, nucleon localization functions for neutrons and protons at the prescission configuration for fission of 264Fm, secondary (post-neutron emission) mass and charge fission fragment distributions for 252Cf, 254Fm and 256Fm, fragment charge distributions for 245Pu, 290Fm and 294Og. predicted odd-even staggering (OES) in charge yields and for neutron evaporation. Microscopic-statistical model of fission fragment distribution with fission trajectories from the density functional theory framework. Comparison with available experimental data.

doi: 10.1103/PhysRevC.105.014619
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2021HA47      Nat.Phys. 17, 1408 (2021)

A.Hamaker, E.Leistenschneider, R.Jain, G.Bollen, S.A.Giuliani, K.Lund, W.Nazarewicz, L.Neufcourt, C.R.Nicoloff, D.Puentes, R.Ringle, C.S.Sumithrarachchi, I.T.Yandow

Precision mass measurement of lightweight self-conjugate nucleus 80Zr

ATOMIC MASSES 80,81,82,83Zr; measured time of flight, frequencies; deduced mass excesses, weighted average frequency ratio. Comparison with AME20. Low Energy Beam and Ion Trap (LEBIT) facility.

doi: 10.1038/s41567-021-01395-w
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2020BE28      J.Phys.(London) G47, 113002 (2020)

M.Bender, R.Bernard, G.Bertsch, S.Chiba, J.Dobaczewski, N.Dubray, S.A.Giuliani, K.Hagino, D.Lacroix, Z.Li, P.Magierski, J.Maruhn, W.Nazarewicz, J.Pei, S.Peru, N.Pillet, J.Randrup, D.Regnier, P.G.Reinhard, L.M.Robledo, W.Ryssens, J.Sadhukhan, G.Scamps, N.Schunck, C.Simenel, J.Skalski, I.Stetcu, P.Stevenson, S.Umar, M.Verriere, D.Vretenar, M.Warda, S.Aberg

Future of nuclear fission theory

doi: 10.1088/1361-6471/abab4f
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2020GI06      Phys.Rev. C 102, 045804 (2020)

S.A.Giuliani, G.Martinez-Pinedo, M.-R.Wu, L.M.Robledo

Fission and the r-process nucleosynthesis of translead nuclei in neutron star mergers

NUCLEAR STRUCTURE Z=85-120, N=120-250; calculated highest fission barriers, energy windows for β-delayed fission and neutron-induced fission. A=100-240; A=180-350; Z=30-100, N=65-230; calculated abundances as function of mass number and neutron numbers. A=254, Z=89-99; calculated neutron-induced fission and neutron capture stellar reaction rates at 0.64 GK. A=220-230; calculated abundances, radioactive energy emitted by β and α decays, and fission as a function of time for different ejecta conditions, ejecta heating rate as a function of time. Finite range droplet model with Thomas-Fermi (FRDM+TF), Skyrme HFB14, and Barcelona-Catania-Paris-Madrid (BCPM), energy density functional (EDF) methods.

doi: 10.1103/PhysRevC.102.045804
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2020NE02      Phys.Rev. C 101, 014319 (2020)

L.Neufcourt, Y.Cao, S.Giuliani, W.Nazarewicz, E.Olsen, O.B.Tarasov

Beyond the proton drip line: Bayesian analysis of proton-emitting nuclei

RADIOACTIVITY 19Mg, 45Fe, 48Ni, 54Zn, 67Kr(2p); calculated Q(2p) using eleven global mass models: Skyrme models SkM*, SkP, SLy4, SV-min, UNEDF0, UNEDF1, UNEDF2, BCPM and D1M, FRDM-2012 and HFB-24, and Bayesian model averaging (BMA) results: BMA-0, BMA-I, BMA-II, BMA-III, and comparing with experimental data from AME2016 and later literature. Z=17-82; calculated nuclear binding-energy, and probability of proton decay, relative to the neutron number of the lightest proton-bound isotope with known experimental S(p) or S(2p), in the proton-rich region using BMA-I and BMA-II model averaging methods. 25,26,27S, 29,30,31Ar, 33,34,35Ca, 37,38,39Ti, 40,41,42,43Cr, 44,45,46Fe, 47,48,49,50Ni, 52,53,54,55Zn, 56,57,58,59Ge, 61,62,63,64Se, 64,65,66,67,68Kr, 68,69,70,71,72Sr, 72,73,74,75,76Zr, 76,77,78,79,80Mo, 80,81,82,83,84Ru, 83,84,85,86,87,88Pd, 87,88,89,90,91Cd, 91,92,93,94,95Sn, 100,101,102,103Te, 104,105,106,107Xe, 108,109,110,111,112Ba, 111,112,113,114,115,116Ce, 115,116,117,118,119Nd, 119,120,121,122,123,124Sm, 123,124,125,126,127,128,129Gd, 128,129,130,131,132,133,134Dy, 131,132,133,134,135,136,137Er, 135,136,137,138,139,140,141,142Yb, 141,142,143,144,145,146,147Hf, 145,146,147,148,149,150W, 150,151,152,153,154,155Os, 152,153,154,155,156,157,158Pt, 156,157,158,159,160,161,162Hg(2p); calculated Q(2p) and half-lives using BMA-1 method. 30Ar, 34Ca, 39Ti, 42Cr, 58Ge, 62Se, 66Kr, 70Sr, 74Zr, 78Mo, 82Ru, 86Pd, 90Cd, 103Te; predicted as most promising 2p emitters. 131,132Dy, 134,135Er, 144,145Hf; predicted as excellent candidates for the sequential emission of two protons. Bayesian Gaussian processes for separation-energy residuals and combined via Bayesian model averaging for mass predictions, with uncertainty quantification of theoretical predictions.

doi: 10.1103/PhysRevC.101.014319
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2020NE04      Phys.Rev. C 101, 044307 (2020)

L.Neufcourt, Y.Cao, S.A.Giuliani, W.Nazarewicz, E.Olsen, O.B.Tarasov

Quantified limits of the nuclear landscape

NUCLEAR STRUCTURE Z=5-119, N=11-293; calculated S(n) for odd-N. Z=8-119, N=20-296; calculated S(2n) for even-N. Z=25-119, N-21-176; calculated S(p) for odd-Z. Z=14-118, N=8-170; calculated S(2p) for even-Z. Quantified predictions of proton and neutron separation energies and Bayesian probabilities of existence of particle-bound isotopes throughout the nuclear landscape using nuclear density-functional theory with several energy density functionals, together with current global mass models and experimental atomic mass data in the general framework of Bayesian model averaging (BMA); deduced existence of 7759 particle-bound nuclei with Z<120, having existence probability of >0.5. Relevance to discovery potential with modern radioactive ion-beam facilities, such as FRIB at MSU.

doi: 10.1103/PhysRevC.101.044307
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2020SA24      Phys.Rev. C 101, 065803 (2020)

J.Sadhukhan, S.A.Giuliani, Z.Matheson, W.Nazarewicz

Efficient method for estimation of fission fragment yields of r-proc ss nuclei

NUCLEAR STRUCTURE 178Pt, 240Pu, 254Cf, 254,256,258Fm; calculated nucleonic localization function (NLF) contours, potential energy surfaces (PES) in (Q20, Q30) planes, prefragments for different fissioning systems, fission fragment mass and charge yield distribution for spontaneous fission (SF) of 240Pu, 254Cf, 254,256,258Fm, thermal neutron-induced for 240Pu, 256Fm, and heavy-ion induced fission of 178Pt. 294Og; calculated fission fragment mass and charge yields. 254Pu, 290Fm; predicted fission properties of r-process nuclei. Skyrme density functional theory (DFT) with SkM* and UNEDF1HFB models. Comparison with available experimental data.

doi: 10.1103/PhysRevC.101.065803
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2019BE21      Phys.Rev. C 99, 064301 (2019)

R.Bernard, S.A.Giuliani, L.M.Robledo

Role of dynamic pairing correlations in fission dynamics

RADIOACTIVITY 236U, 240Pu, 252Cf(SF); calculated contour plots of Hartree-Fock-Bogoliubov (HFB) energies for different quadrupole moments, potential energies as function of quadrupole moment, particle-particle correlation energies, octupole and hexadecapole moments and neck parameters, spontaneous fission half-lives, fission barrier heights, and fission isomer excitation energies. Restricted variation after projection (RVAP) particle number projection (PNP) method with dynamic pairing correlations, Gogny D1M parametrization, and inertias from adiabatic time dependent Hartree-Fock-Bogoliubov (ATDHFB) theory and the Gaussian overlap approximation (GOA) to the generator coordinate method (GCM).

doi: 10.1103/PhysRevC.99.064301
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2019GI06      Rev.Mod.Phys. 91, 011001 (2019)

S.A.Giuliani, Z.Matheson, W.Nazarewicz, E.Olsen, P.-G.Reinhard, J.Sadhukhan, B.Schuetrumpf, N.Schunck, P.Schwerdtfeger

Colloquium: Superheavy elements: Oganesson and beyond

doi: 10.1103/RevModPhys.91.011001
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2019MA27      Phys.Rev. C 99, 041304 (2019)

Z.Matheson, S.A.Giuliani, W.Nazarewicz, J.Sadhukhan, N.Schunck

Cluster radioactivity of 294118Og176

RADIOACTIVITY 294Og(SF); calculated potential energy surfaces (PES) for 294Og in (Q20, Q30) collective plane, fission fragment distribution, heavy fragment mass and charge yields, collective inertias, dissipation strengths, and nucleon localization function using microscopic energy density functional theory, incorporating fission dynamics, quantum tunneling and stochastic dynamics up to scission. Relevance to search for cluster radioactivity of 294Og.

doi: 10.1103/PhysRevC.99.041304
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2018GI05      Phys.Rev. C 97, 034323 (2018)

S.A.Giuliani, G.Martinez-Pinedo, L.M.Robledo

Fission properties of superheavy nuclei for r-process calculations

NUCLEAR STRUCTURE 232Th, 262,290No, 316Ds; calculated collective fission properties as a function of quadrupole moment. Z=84-120, N=118-250; calculated S(2n), fission barrier heights, spontaneous fission half-lives as function of fissibility parameter, energy window for the neutron-induced fission, dominating decay channels of spontaneous fission, α-decay, neutron-capture, neutron-induced α emission, neutron-induced fission, and two-neutron emission for 3640 superheavy nuclides. Self-consistent mean-field calculations using the Barcelona-Catania-Paris-Madrid energy density functional. Comparison with available experimental data.

doi: 10.1103/PhysRevC.97.034323
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2017GI04      Acta Phys.Pol. B48, 299 (2017)

S.A.Giuliani, G.Martinez-Pinedo, L.M.Robledo, M.-R.Wu

r-process Calculations with a Microscopic Description of the Fission Process

NUCLEAR REACTIONS Z=84-120(n, f), E not given; calculated fission rates, r-process abundances using TALYS code with BCPM EDF (Barcelona-Catania-Paris-Madrid Energy Density functional) and using Panov rates, r-process abundances. Compared with Solar abundances.

RADIOACTIVITY Z=84-120(SF); calculated fission rates, r-process abundances using TALYS code with BCPM EDF (Barcelona-Catania-Paris-Madrid Energy Density functional) and using Panov rates, r-process abundances. Compared with Solar abundances.

doi: 10.5506/APhysPolB.48.299
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2014GI07      Phys.Rev. C 90, 054311 (2014)

S.A.Giuliani, L.M.Robledo, R.Rodriguez-Guzman

Dynamic versus static fission paths with realistic interactions

RADIOACTIVITY 232,234,236,238U(SF); calculated HFB energy, collective inertia, and action as functions of particle number fluctuation, spontaneous fission half-lives. Barcelona-Catania-Paris-Madrid and Gogny D1M energy density functionals using the minimum action principle with the adiabatic time dependent HFB (ATDHFB)ATDHFB and generator coordinate method (GCM). Comparison with experimental data.

doi: 10.1103/PhysRevC.90.054311
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2013GI06      Phys.Rev. C 88, 054325 (2013)

S.A.Giuliani, L.M.Robledo

Fission properties of the Barcelona-Catania-Paris-Madrid energy density functional

RADIOACTIVITY 226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282U, 238,240,242,244Pu, 240,242,244,246,248Cm, 250,252Cf, 250,252,254,256Fm, 252,254,256No, 256,258,260Rf, 258,260,262Sg, 264Hs, 286Fl(SF); calculated SF half-lives, fission barrier height parameters and excitation energies of fission isomers, Z, N and A of emitted fragments, HFB energies as a function of the quadrupole moment Q20. Barcelona-Catania-Paris-Madrid (BCPM) energy density functional with mean-field techniques. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.054325
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Note: The following list of authors and aliases matches the search parameter S.A.Giuliani: , S.A.GIULIANI