NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = A.Signoracci Found 20 matches. 2017VO05 Phys.Rev. C 96, 024305 (2017) P.Voss, T.E.Drake, K.Starosta, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.Chester, R.Churchman, D.S.Cross, A.B.Garnsworthy, G.Hackman, B.Hadinia, R.Henderson, B.Jigmeddorj, S.Ketelhut, R.Krucken, A.T.Laffoley, K.G.Leach, D.Miller, R.Orlandi, C.J.Pearson, J.Pore, M.M.Rajabali, E.T.Rand, C.E.Svensson, E.Tardiff, C.Unsworth, Z.-M.Wang, A.Signoracci Doppler-shift attenuation lifetime measurement of the 36Ar 2+1 level NUCLEAR REACTIONS 12C(36Ar, 36Ar'), E=63 MeV; measured Eγ, (12C)γ-coin, half-life of the first 2+ state by Doppler-shift attenuation method (DSAM) following low-energy Coulomb excitation using TIGRESS spectrometer and PIN diode detectors at TRIUMF-ISAC facility. Carbon target backed with 197Au. 36Ar; deduced level, B(E2) for the first 2+ state, and compared with previous experimental data, and with shell-model calculations using USDB interaction.
doi: 10.1103/PhysRevC.96.024305
2016JA03 Phys.Rev. C 94, 011301 (2016) G.R.Jansen, M.D.Schuster, A.Signoracci, G.Hagen, P.Navratil Open sd-shell nuclei from first principles NUCLEAR STRUCTURE 18,19,20,21,22,23,24,25,26,27,28,29,30Ne, 20,21,22,23,24,25,26,27,28,29,30Mg; calculated ground-state energies. 24F, 19,20,24,25,26,27Ne, 22,23,24,25,26Mg; calculated low-spin levels, J, π, B(E2) strengths. Calculations are based on an extension of ab initio coupled-cluster effective interaction (CCEI) method. Comparison with experimental data taken from the ENSDF database.
doi: 10.1103/PhysRevC.94.011301
2015SI12 Phys.Rev. C 91, 064320 (2015) A.Signoracci, T.Duguet, G.Hagen, G.R.Jansen Ab initio Bogoliubov coupled cluster theory for open-shell nuclei NUCLEAR STRUCTURE 16,18,20O, 18Ne, 20Mg; calculated ground-state energies and the cluster amplitudes at the singles and doubles level (BCCSD), algebraically and diagrammatically. Ab initio Bogoliubov coupled cluster (BCC) theory for open shell nuclei.
doi: 10.1103/PhysRevC.91.064320
2015XU13 Phys.Rev. C 92, 024324 (2015) X.-D.Xu, S.-S.Zhang, A.J.Signoracci, M.S.Smith, Z.P.Li Analytical continuation from bound to resonant states in the Dirac equation with quadrupole-deformed potentials NUCLEAR STRUCTURE 37Mg; calculated energies and widths of the neutron resonant states, energy and width of neutron 3/2[301] and 7/2[413] resonant states as functions of the coupling constant, single-neutron Nilsson levels as function of deformation β. Halo nucleus. Analytical continuation of the coupling constant (ACCC) method on the basis of the Dirac coupled-channel equations with a deformed Woods-Saxon potential. Comparison with scattering phase shift (SPS) method.
doi: 10.1103/PhysRevC.92.024324
2014HE05 Phys.Rev. C 89, 054305 (2014) T.M.Henderson, G.E.Scuseria, J.Dukelsky, A.Signoracci, T.Duguet Quasiparticle coupled cluster theory for pairing interactions
doi: 10.1103/PhysRevC.89.054305
2014JA14 Phys.Rev.Lett. 113, 142502 (2014) G.R.Jansen, J.Engel, G.Hagen, P.Navratil, A.Signoracci Ab Initio Coupled-Cluster Effective Interactions for the Shell Model: Application to Neutron-Rich Oxygen and Carbon Isotopes NUCLEAR STRUCTURE 19,20,21,22,23,24O, 17,18,19,20,21,22C; calculated energy levels, J, π. Comparison with available data.
doi: 10.1103/PhysRevLett.113.142502
2013CO23 Phys.Rev. C 88, 044311 (2013) A.Corsi, J.-P.Delaroche, A.Obertelli, T.Baugher, D.Bazin, S.Boissinot, F.Flavigny, A.Gade, M.Girod, T.Glasmacher, G.F.Grinyer, W.Korten, J.Libert, J.Ljungvall, S.McDaniel, A.Ratkiewicz, A.Signoracci, R.Stroberg, B.Sulignano, D.Weisshaar Collectivity of light Ge and As isotopes NUCLEAR REACTIONS 9Be, 197Au(66Ge, 66Ge'), (67As, 67As'), (68Se, 67As), [secondary cocktail beam of 66Be, 67As, 68Se from 9Be(78Kr, X), E=150 meV/nucleon primary reaction], E=70 MeV/nucleon; measured particle spectra, Eγ, Iγ, (particle)γ-coin, Coulomb excitation and inelastic scattering cross sections at NSCL, MSU facility. SeGA array for γ-ray detection. 66Ge, 67As; deduced levels, J, π, B(E2). Comparison with shell-model calculations, and with earlier experimental results. NUCLEAR STRUCTURE 64,66,68,70,72Ge; calculated potential energy surface (PES) contours in (β, γ) plane, spectroscopic quadrupole moments, staggering parameter and branching ratios using shell model for first and second 2+ states. 65,67,69As; calculated levels, J, π, spectroscopic quadrupole moments of low-lying negative-parity states using shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.044311
2013FL01 Phys.Rev.Lett. 110, 122503 (2013) F.Flavigny, A.Gillibert, L.Nalpas, A.Obertelli, N.Keeley, C.Barbieri, D.Beaumel, S.Boissinot, G.Burgunder, A.Cipollone, A.Corsi, J.Gibelin, S.Giron, J.Guillot, F.Hammache, V.Lapoux, A.Matta, E.C.Pollacco, R.Raabe, M.Rejmund, N.de Sereville, A.Shrivastava, A.Signoracci, Y.Utsuno Limited Asymmetry Dependence of Correlations from Single Nucleon Transfer NUCLEAR REACTIONS 2H(14O, t), (14O, 3He), E=17.8 MeV/nucleon; measured reaction products; deduced σ(θ) for transfer and elastic scattering, reduction factors. Comparison with shell model and ab initio calculations.
doi: 10.1103/PhysRevLett.110.122503
2012FL02 Phys.Rev.Lett. 108, 252501 (2012) F.Flavigny, A.Obertelli, A.Bonaccorso, G.F.Grinyer, C.Louchart, L.Nalpas, A.Signoracci Nonsudden Limits of Heavy-Ion Induced Knockout Reactions NUCLEAR REACTIONS 9Be(16C, p), (16C, n), E=75 MeV/nucleon; 9Be(14O, p), (14O, n), E=53 MeV/nucleon; measured reaction products, Eγ, Iγ. 13N, 13O, 15B, 15C; deduced energy levels, J, π, σ, spectroscopic factors. Comparison with available data.
doi: 10.1103/PhysRevLett.108.252501
2012ME05 Phys.Rev.Lett. 108, 122501 (2012) R.Meharchand, R.G.T.Zegers, B.A.Brown, Sam M.Austin, T.Baugher, D.Bazin, J.Deaven, A.Gade, G.F.Grinyer, C.J.Guess, M.E.Howard, H.Iwasaki, S.McDaniel, K.Meierbachtol, G.Perdikakis, J.Pereira, A.M.Prinke, A.Ratkiewicz, A.Signoracci, S.Stroberg, L.Valdez, P.Voss, K.A.Walsh, D.Weisshaar, and R.Winkler Probing Configuration Mixing in 12Be with Gamow-Teller Transition Strengths NUCLEAR REACTIONS Li(12B, 7Be)12Be, E=80 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), B(GT) transition strength, level energies, J, π. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.108.122501
2011RI03 Prog.Part.Nucl.Phys. 66, 283 (2011) W.A.Richter, B.A.Brown, A.Signoracci, M.Wiescher Shell-model studies of the rp reaction 25Al(p, γ)26Si NUCLEAR REACTIONS 25Al(p, γ)26Si, E<150 keV; calculated reaction rates and uncertainties. NUCLEAR STRUCTURE 26Si; calculated energy levels, J, π, spectroscopic factors. USDA and USDB interaction.
doi: 10.1016/j.ppnp.2011.01.021
2011RI06 Phys.Rev. C 83, 065803 (2011) W.A.Richter, B.A.Brown, A.Signoracci, M.Wiescher Properties of 26Mg and 26Si in the sd shell model and the determination of the 25Al(p, γ)26Si reaction rate NUCLEAR REACTIONS 25Al(p, γ)26Si, E not given; calculated resonance-capture rate, Γg, Γp using sd-shell model with USD, USDA and USDB Hamiltonians. Comparison with experimental data. Astrophysical implications for novae and x-ray bursts. NUCLEAR STRUCTURE 26Si, 26Mg; calculated level energies, resonance energies, J, π, Γg, Γp, spectroscopic factors using sd-shell model and isobaric-mass-multiplet equation (IMME). Comparison with experimental data.
doi: 10.1103/PhysRevC.83.065803
2011RI09 Phys.Rev. C 84, 059802 (2011) W.A.Richter, B.A.Brown, A.Signoracci, M.Wiescher Reply to "Comment on 'Properties of 26Mg and 26Si in the sd shell model and the determination of the 25Al(p, γ)26Si reaction rate'" NUCLEAR REACTIONS 25Al(p, γ)26Si; analyzed and revised reaction rates using updated level and resonance energy.
doi: 10.1103/PhysRevC.84.059802
2011SI05 Phys.Rev. C 83, 024315 (2011) A.Signoracci, B.A.Brown, M.Hjorth-Jensen Renormalized interactions with a realistic single-particle basis NUCLEAR STRUCTURE 34Si, 40Ca; calculated single-particle energies, First-order, particle-particle ladder, core-polarization, four-particle two-hole, and total matrix elements using Skxtb interaction and harmonic oscillator basis. 36,38Si; calculated levels, J, π. Shell-model using Harmonic oscillator, core polarization and Skyrme Hartree-Fock calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.024315
2011SI20 Phys.Rev. C 84, 031301 (2011) Effects of isospin mixing in the A = 32 quintet NUCLEAR STRUCTURE 32Si, 32P, 32S, 32Cl, 32Ar; analyzed isobaric mass multiplet equation (IMME) for A=32 isospin quintet; calculated IMME coefficients, energy shifts. 32S; calculated energies of 0+ states using USDB interaction. RADIOACTIVITY 32Cl(p); calculated widths and spectroscopic factors for isospin-forbidden proton decay using Universal sd-shell interactions, and isospin-mixing. 32Ar(β+), (EC); analyzed logft values and effect of isospin mixing. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.031301
2010LE03 Phys.Rev.Lett. 104, 112701 (2010) J.Lee, M.B.Tsang, D.Bazin, D.Coupland, V.Henzl, D.Henzlova, M.Kilburn, W.G.Lynch, A.M.Rogers, A.Sanetullaev, A.Signoracci, Z.Y.Sun, M.Youngs, K.Y.Chae, R.J.Charity, H.K.Cheung, M.Famiano, S.Hudan, P.O'Malley, W.A.Peters, K.Schmitt, D.Shapira, L.G.Sobotka Neutron-Proton Asymmetry Dependence of Spectroscopic Factors in Ar Isotopes NUCLEAR REACTIONS 1H(34Ar, d), (36Ar, d), (46Ar, d), E=33 MeV/nucleon; measured Eδ, Iδ; 34,36,46Ar; deduced neutron ground state spectroscopic factors. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.104.112701
2010ZE03 Phys.Rev.Lett. 104, 212504 (2010) R.G.T.Zegers, R.Meharchand, Y.Shimbara, S.M.Austin, D.Bazin, B.A.Brown, C.Aa.Diget, A.Gade, C.J.Guess, M.Hausmann, G.W.Hitt, M.E.Howard, M.King, D.Miller, S.Noji, A.Signoracci, K.Starosta, C.Tur, C.Vaman, P.Voss, D.Weisshaar, J.Yurkon 34P(7Li, 7Be+γ) Reaction at 100A MeV in Inverse Kinematics NUCLEAR REACTIONS 34P(7Li, γ7Be)34Si, E=100 MeV/nucleon; measured Eγ, Iγ, γ-particle coin.; deduced σ(θ), β+ Gamow-Teller transition strength distribution. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.104.212504
2008ZE05 Phys.Rev. C 78, 014314 (2008) R.G.T.Zegers, R.Meharchand, T.Adachi, Sam M.Austin, B.A.Brown, Y.Fujita, M.Fujiwara, C.J.Guess, H.Hashimoto, K.Hatanaka, M.E.Howard, H.Matsubara, K.Nakanishi, T.Ohta, H.Okamura, Y.Sakemi, Y.Shimbara, Y.Shimizu, C.Scholl, A.Signoracci, Y.Tameshige, A.Tamii, M.Yosoi Spectroscopy of 24Al and extraction of Gamow-Teller strengths with the 24Mg(3He, t) reaction at 420 MeV NUCLEAR REACTIONS 24Mg(3He, t), E=420 MeV; measured triton spectra, σ(θ). 24Al; deduced levels, J, π, angular momenta, GT strengths. Comparison with model calculations and 24Mg(p, n) data.
doi: 10.1103/PhysRevC.78.014314
2007RO12 Nucl.Instrum.Methods Phys.Res. B259, 669 (2007) D.Robertson, C.Schmitt, Ph.Collon, D.Henderson, B.Shumard, L.Lamm, E.Stech, T.Butterfield, P.Engel, G.Hsu, G.Konecki, S.Kurtz, R.Meharchand, A.Signoracci, J.Wittenbach A new AMS setup for nuclear astrophysics experiments
doi: 10.1016/j.nimb.2007.01.261
2007SI05 Phys.Rev. C 75, 024303 (2007) Proton single-particle energies in 23F NUCLEAR STRUCTURE 23F; calculated levels, J, π, spectroscopic factors. Several Hamiltonians compared with data.
doi: 10.1103/PhysRevC.75.024303
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