NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = G.Gosselin Found 16 matches. 2024GO03 Nuovo Cim. C 47, 46 (2024) S.Goriely, S.Hilaire, S.Peru, G.Gosselin A new approach to nuclear level densities: The QRPA plus boson expansion NUCLEAR STRUCTURE 170,172Yb, 150Nd; calculated nuclear level densities with one boson expansion of QRPA excitations. Comparison with available data.
doi: 10.1393/ncc/i2024-24046-7
2023LE05 Phys.Rev. C 107, 054609 (2023) I.Lee, G.Gosselin, A.Diaz-Torres Thermal and atomic effects on coupled-channels heavy-ion fusion NUCLEAR REACTIONS 188Os(16O, X), E(cm)=65-78 MeV; calculated fusion probability in the presence of a thermal plasma environment, radial position probability as a function of internuclear radius and time for a head-on collision. Coupled-channels density-matrix method based on the theory of open quantum systems to include thermal and atomic effects on subbarrier fusion dynamics.
doi: 10.1103/PhysRevC.107.054609
2022GO01 Phys.Rev. C 105, 014608 (2022) F.Gobet, A.Ya.Dzyublik, G.Gosselin, V.Meot, M.Versteegen Expected yields of 181Ta(e, e')181Ta* in the multi-keV range with a plasma-cathode electron beam NUCLEAR REACTIONS 181Ta(e, e'), E=10-30 keV electron beam from a biased laser plasma; calculated inelastic excitation σ(E) using DWBA method in screened and unscreened Coulomb nuclear field, and compared with other theoretical calculations, energy distributions of the electrons impinging the anode, number of γ-ray photons and conversion electrons exiting the anode as a function of the tantalum anode thickness for various target voltages at various target voltages, nuclear excitation yields and DWBA σ(E) through the detection of conversion electrons for the 6.2-keV transition in 181Ta, and with the inclusion of effects of electron-beam heating and the plasma deposition on the tantalum target, number of nuclear excitations in tantalum anode as a function of the thickness of the aluminum layer. 181Ta; calculated internal-conversion coefficients and probability of electron emission for E1 transition using the code CATAR for the 6.2-keV transition in 181Ta.
doi: 10.1103/PhysRevC.105.014608
2017DE22 Phys.Rev. C 96, 024604 (2017) D.Denis-Petit, G.Gosselin, F.Hannachi, M.Tarisien, T.Bonnet, M.Comet, F.Gobet, M.Versteegen, P.Morel, V.Meot, I.Matea Calculation of the rate of nuclear excitation by electron transition in an 84mRb plasma under the hypothesis of local thermodynamic equilibrium using a multiconfiguration Dirac-Fock approach NUCLEAR REACTIONS 84mRb(γ, γ'), E=3.5 keV; calculated rate of nuclear excitation by electron transition (NEET) for the 6- to 5- transition in 84Rb as a function of the plasma temperature for the M1 and E2 components, total excitation rate, charge state distribution of an 84Rb plasma at 400 eV, M1 NEET rate as a function of the energy uncertainty and the charge state of 84Rb. Relativistic average atom model (RAAM), and multiconfiguration Dirac Fock (MCDF) atomic calculations using the ISOMEX computer code. 76Ge(11B, 3n)84Rb, E=40 MeV; measured Eγ, γγ-coin using the ORGAM Ge detector array at Orsay Tandem accelerator facility, precise energy of the 219-keV γ ray; deduced precise energy of 3.5-keV transition between the 466.6, 5- and 463.6, 6- levels. RADIOACTIVITY 84mRb(IT)[from 85Rb(γ, n), E=bremsstrahlung photons from the ELSA electron beam facility of the CEA/DAM/DIF]; measured Eγ, Iγ, γγ-coin, precise energies of 215.6-, 248.0-, and 463.6-keV γ rays.
doi: 10.1103/PhysRevC.96.024604
2015CO16 Phys.Rev. C 92, 054609 (2015) M.Comet, G.Gosselin, V.Meot, P.Morel, J.-C.Pain, D.Denis-Petit, F.Gobet, F.Hannachi, M.Tarisien, M.Versteegen Nuclear excitation by electron transition rate confidence interval in a 201Hg local thermodynamic equilibrium plasma NUCLEAR REACTIONS 201Hg(γ, γ'), (e, e')201mHg; calculated average charge state as function of plasma temperature using relativistic average atom model (RAAM), nuclear excitation by electron transition (NEET) rates for excitation of 1.56-keV isomer in 201Hg as function of temperature and average charge state using average atom Gaussian (AAG) model and ADAM, E2 radiative spectrum with ADAM and CNFM approaches, and detailed configuration accounting (DCA).
doi: 10.1103/PhysRevC.92.054609
2013DZ01 Europhys.Lett. 102, 62001 (2013) A.Ya.Dzyublik, G.Gosselin, V.Meot, P.Morel Role of screening in Coulomb excitation of nuclei by electrons in hot plasma NUCLEAR REACTIONS 201Hg(E, E'), E<6 keV; calculated Coulomb excitation σ on the energy of incident electrons for different screening radii.
doi: 10.1209/0295-5075/102/62001
2012BA38 Eur.Phys.J. A 48, 113 (2012) E.Bauge, G.Belier, J.Cartier, A.Chatillon, J.M.Daugas, J.P.Delaroche, P.Dossantos-Uzarralde, H.Duarte, N.Dubray, M.Ducauze-Philippe, L.Gaudefroy, G.Gosselin, T.Granier, S.Hilaire, H.-T.P.Chau, J.M.Laborie, B.Laurent, X.Ledoux, C.Le Luel, V.Meot, P.Morel, B.Morillon, O.Roig, P.Romain, J.Taieb, C.Varignon, N.Authier, P.Casoli, B.Richard Coherent investigation of nuclear data at CEA DAM: Theoretical models, experiments and evaluated data NUCLEAR REACTIONS 175,176Lu(n, γ), E≈0.02-100 eV; measured Eγ, Iγ, γγ-coin; deduced σ, resonances. Compared with ENDF/B-VII.0 with SAMMY7. 176Lu(n, γ), E=80-40000 eV; measured Eγ, Iγ, γγ-coin; deduced σ. Compared with ENDF/B-VII.0 and other data. 174Lu(3He, p), E=60-600 keV; measured prompt and delayed Eγ, Iγ, γγ-coin; deduced γ ray emission probability vs energy; calculated γ ray emission probability using TALYS.177mLu(n, γ), (n, X), E=thermal; measured measured Eγ, Iγ, γγ-coin; deduced σ, resonance parameters. 239Pu(n, F), E not given; measured prompt En, In using FIGARO. Compared with other data, ENDF/B-VII and BRC evaluation. 2H(n, 2n), E=4-26 MeV; measured En, In using CARMEN; deduced σ. Compared with other data, ENDF/B-VII, Ac18, NJOY. 234U(n, F), E=0.15-1.2 MeV;236U(n, F), E=0.75-2.0 MeV;238U(n, F), E=0.01-1 MeV; calculated σ using TALYS. Compared with data. 238U(n, F), E=2, 2.9, 6.01, 7.02, 8.01, 8.94, 14.3, 14.7 MeV; calculated prompt fission σ(n, En). Compared with data. 239Pu(n, γ), (n, F), (n, n'), (n, 2n), (n, 3n), E=0.001-20 MeV; calculated σ, uncertainties, correlation matrix using BFMC.
doi: 10.1140/epja/i2012-12113-7
2012PL01 Eur.Phys.J. A 48, 68 (2012) C.Plaisir, F.Hannachi, F.Gobet, M.Tarisien, M.M.Aleonard, V.Meot, G.Gosselin, P.Morel, B.Morillon Measurement of the 85Rb(γ, n)84mRb cross-section in the energy range 10-19 MeV with bremsstrahlung photons NUCLEAR REACTIONS 85Rb(γ, n)84mRb, E=10-19 MeV; measured activation Eγ, Iγ from bremsstrahlung γ; deduced yields, σ, GDR parameters using GEANT4 and relative to 197Au(γ, n) and 63Cu(γ, n). Compared with other data.
doi: 10.1140/epja/i2012-12068-7
2011PE01 Phys.Rev. C 83, 014314 (2011) S.Peru, G.Gosselin, M.Martini, M.Dupuis, S.Hilaire, J.-C.Devaux Giant resonances in 238U within the quasiparticle random-phase approximation with the Gogny force NUCLEAR STRUCTURE 238U; calculated Kπ=0-, 0+, 1-, 1+ eigenvalues, B(E0), B(E1), B(E2) and B(E3) strengths for dipole, monopole, quadrupole, and octupole giant resonances and low-energy states. Fully consistent microscopic axially-symmetric deformed quasiparticle random-phase approximation (QRPA) approach using a finite-range Gogny force for Hartree-Fock-Bogolyubov mean field and QRPA matrix. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.014314
2010GO10 Phys.Rev. C 81, 055808 (2010) Modification of nuclear transitions in stellar plasma by electronic processes: K isomers in 176Lu and 180Ta under s-process conditions NUCLEAR STRUCTURE 176Lu, 180Ta; calculated transition rates enhancements for nuclear excitation by electron capture (NEEC) process for transitions between high-K, low-K and intermediate states, and partial half-lives as function of temperature in stellar plasma environment.
doi: 10.1103/PhysRevC.81.055808
2010MO04 Phys.Rev. C 81, 034609 (2010) P.Morel, V.Meot, G.Gosselin, G.Faussurier, C.Blancard Calculations of nuclear excitation by electron capture (NEET) in nonlocal thermodynamic equilibrium plasmas NUCLEAR REACTIONS 201Hg(e, e')201mHg, E=low; calculated rates of nuclear excitation of isomer by electron capture (NEET) in local thermodynamic equilibrium (LTE) and non-local thermodynamic equilibrium (NLTE) approaches. Discussed excitation of 1.65-keV isomer by laser techniques.
doi: 10.1103/PhysRevC.81.034609
2009GO02 Phys.Rev. C 79, 014604 (2009) G.Gosselin, N.Pillet, V.Meot, P.Morel, A.Ya.Dzyublik Nuclear transition induced by low-energy unscreened electron inelastic scattering NUCLEAR REACTIONS 110Ag, 201Hg(e, e'), E=1-100 keV; calculated σusing DWBA, PWBA, and WKB formalism.
doi: 10.1103/PhysRevC.79.014604
2007GO37 Phys.Rev. C 76, 044611 (2007) Modified nuclear level lifetime in hot dense plasmas NUCLEAR STRUCTURE 93Mo, 201Hg; calculated variations in half-lives of isomeric states due to conditions in plasma. NEET process.
doi: 10.1103/PhysRevC.76.044611
2007ME12 Phys.Rev. C 75, 064306 (2007) V.Meot, J.Aupiais, P.Morel, G.Gosselin, F.Gobet, J.N.Scheurer, M.Tarisien Half-life of the first excited state of 201Hg RADIOACTIVITY 201Hg[from 201Tl(EC)]; measured Eγ, Iγ, eγ-coinc, T1/2 of the first excited state. 201Hg deduced B(M1) and B(E2).
doi: 10.1103/PhysRevC.75.064306
2004GO53 Phys.Rev. C 70, 064603 (2004) Enhanced nuclear level decay in hot dense plasmas NUCLEAR STRUCTURE 93Mo, 237U; calculated excitation and decay rates in plasma environment. RADIOACTIVITY 44Sc, 45Ti, 52Mn, 93Mo, 96,99Tc, 202,204Pb, 242Am(IT); calculated enhanced isomer decay rates in plasma environment.
doi: 10.1103/PhysRevC.70.064603
2004MO49 Nucl.Phys. A746, 608c (2004) P.Morel, J.M.Daugas, G.Gosselin, V.Meot, D.Gogny Nuclear excitation by electronic processes: NEEC and NEET effects
doi: 10.1016/j.nuclphysa.2004.09.097
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