NSR Query Results


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NSR database version of June 30, 2015.

Search: Author = A.Signoracci

Found 17 matches.

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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

doi: 10.1103/PhysRevC.91.064320


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
Data from this article have been entered in the XUNDL database. For more information, click here.


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
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2149.
Data from this article have been entered in the XUNDL database. For more information, click here.


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
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1934.


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
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1910.
Data from this article have been entered in the XUNDL database. For more information, click here.


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)

A.Signoracci, B.A.Brown

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
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1793.
Data from this article have been entered in the XUNDL database. For more information, click here.


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
Data from this article have been entered in the XUNDL database. For more information, click here.


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
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2119.
Data from this article have been entered in the XUNDL database. For more information, click here.


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)

A.Signoracci, B.A.Brown

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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