Nuclear Science References (NSR)

NUCLEAR REACTIONS ⁹Be(¹³⁶Sn, n)¹³⁵Sn, E=200 MeV/nucleon; ⁹Be(¹³⁷Sb, np)¹³⁵Sn, E=202 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, level T_1/2 limit, B(E2), the evolution of the neutron shell structure beyond N=82. Comparison with he predictions of shell-model calculations performed using microscopic interactions derived from the CD-Bonn and N3LO NN potentials. The Radioactive Isotope Beam Factory (RIBF) operated by the RIKEN Nishina Center for Accelerator-Based Science and the Center for Nuclear Study of the University of Tokyo.

doi: 10.1016/j.physletb.2024.138561
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2023BO01 Phys.Rev. C 107, 014322 (2023)

S.Bottoni, E.R.Gamba, G.De Gregorio, A.Gargano, S.Leoni, B.Fornal, N.Brancadori, G.Ciconali, F.C.L.Crespi, N.Cieplicka-Orynczak, L.W.Iskra, G.Colombi, Y.H.Kim, U.Koster, C.Michelagnoli, F.Dunkel, A.Esmaylzadeh, L.Gerhard, J.Jolie, L.Knafla, M.Ley, J.-M.Regis, K.Schomaker, M.Sferrazza

Testing the predictive power of realistic shell model calculations via lifetime measurement of the 11/2⁺ state in ¹³¹Sb

NUCLEAR REACTIONS ²³⁵U(n, F)¹³¹Sb, E=thermal; measured fission fragments, Eγ, Iγ, γγ-coin, (fragment)γ-coin. ¹³¹Sb; deduced levels, J, π, T_1/2 for transitions from excited states, B(E2). Lifetimes obtained with generalized centroid difference (GCD) method. Systematics of 2⁺ states energies in Sn isotopes compared with 11/2⁺ states in Sb isotopes. Comparison to realistic shell-model calculations performed with KSHELL code. LOHENGRIN spectrometer together with 2 HPGe and 5 LaBr₃(Ce) detectors (ILL).

doi: 10.1103/PhysRevC.107.014322
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2023CA02 Prog.Part.Nucl.Phys. 128, 103999 (2023)

F.Cappuzzello, H.Lenske, M.Cavallaro, C.Agodi, N.Auerbach, J.I.Bellone, R.Bijker, S.Burrello, S.Calabrese, D.Carbone, M.Colonna, G.De Gregorio, J.L.Ferreira, D.Gambacurta, H.Garcia-Tecocoatzi, A.Gargano, J.A.Lay, R.Linares, J.Lubian, E.Santopinto, O.Sgouros, V.Soukeras, A.Spatafora

Shedding light on nuclear aspects of neutrinoless double beta decay by heavy-ion double charge exchange reactions

doi: 10.1016/j.ppnp.2022.103999
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2023SG02 Phys.Rev. C 108, 044611 (2023)

O.Sgouros, M.Cutuli, F.Cappuzzello, M.Cavallaro, D.Carbone, C.Agodi, G.De Gregorio, A.Gargano, R.Linares, G.A.Brischetto, D.Calvo, E.R.Chavez Lomeli, I.Ciraldo, F.Delaunay, H.Djapo, C.Eke, P.Finocchiaro, M.Fisichella, M.A.Guazzelli, A.Hacisalihoglu, J.Lubian, N.H.Medina, M.Moralles, J.R.B.Oliveira, A.Pakou, L.Pandola, V.Soukeras, G.Souliotis, A.Spatafora, D.Torresi, A.Yildirim, V.A.B.Zagatto, for the NUMEN Collaboration)

One-neutron transfer reaction in the ¹⁸O + ⁴⁸Ti collision at 275 MeV

doi: 10.1103/PhysRevC.108.044611
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2023UR02 Phys.Rev. C 108, 064609 (2023)

B.Urazbekov, N.Burtebayev, F.Cappuzzello, D.Carbone, M.Cavallaro, M.Colonna, A.Gargano, A.Spatafora

Two-step transfer mechanisms in the charge-exchange reaction ⁴⁰Ca(¹⁸O, ¹⁸F)⁴⁰K at 275 MeV

doi: 10.1103/PhysRevC.108.064609
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2022CO04 Phys.Rev. C 105, 034312 (2022)

L.Coraggio, N.Itaco, G.De Gregorio, A.Gargano, R.Mancino, F.Nowacki

Shell-model calculation of ¹⁰⁰Mo double -β decay

NUCLEAR STRUCTURE ¹⁰⁰Mo; calculated neutron effective single-particle, proton and neutron single-particle energy spacings, running sum of B(GT) strength up to 3 MeV. ¹⁰⁰Mo, ¹⁰⁰Ru; calculated levels, J, π, B(E2). Effective shell-model Hamiltonian with realistic nucleon-nucleon potential. Comparison to experimental data.

RADIOACTIVITY ¹⁰⁰Mo(2β^-); calculated nuclear matrix elements for double β-decay and neutrinoless double β-decay to yrare and yrast 0⁺ states in ¹⁰⁰Ru. Effective shell-model Hamiltonian with realistic nucleon-nucleon potential and decay operators derived within the many-body perturbation theory. Comparison to available experimental data and other theoretical predictions.

doi: 10.1103/PhysRevC.105.034312
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2022MO11 Phys.Rev. C 105, 034334 (2022)

B.Moon, A.Gargano, H.Naidja, C.-B.Moon, A.Odahara, R.Lozeva, S.Nishimura, C.Yuan, F.Browne, P.Doornenbal, G.Lorusso, Z.Patel, S.Rice, M.Si, L.Sinclair, P.-A.Soderstrom, T.Sumikama, H.Watanabe, J.Wu, Z.Y.Xu, A.Yagi, D.S.Ahn, H.Baba, F.L.Bello Garrote, R.Daido, J.M.Daugas, F.Didierjean, Y.Fang, N.Fukuda, B.Hong, E.Ideguchi, N.Inabe, T.Ishigaki, T.Isobe, H.S.Jung, D.Kameda, I.Kojouharov, T.Komatsubara, T.Kubo, Y.K.Kwon, C.S.Lee, P.Lee, S.Morimoto, D.Murai, M.Niikura, H.Nishibata, I.Nishizuka, H.Sakurai, Y.Shimizu, H.Suzuki, H.Takeda, K.Tshoo, R.Yokoyama

First observation of the π0h_11/2 (X) ν0h_9/2 partner orbital configuration in the odd-odd ¹³⁸I nucleus

RADIOACTIVITY ¹³⁸Te(β^-)[from ⁹Be(²³⁸U, X), E=345 MeV/nucleon];measured Eβ, Iβ, Eγ, Iγ, βγ-coin, γγ-coin; deduced β-branching ratios, logft, B(GT). ¹³⁸I; deduced levels, J, π, configurations, T_1/2 of 68 keV transition (not yet exact placement in the level scheme). Comparison to otherexperimental data and large-scale shell-model calculations with N3LOP and Napoli effective interactions. Wide-range Active Silicon Strip Stopper Array for β and ion detection (WAS3ABi) system combined with EUROBALL-RIKEN Cluster Array (EURICA) at RIBF.

doi: 10.1103/PhysRevC.105.034334
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2022PE15 Phys.Rev.Lett. 129, 112501 (2022)

R.M.Perez-Vidal, A.Gadea, C.Domingo-Pardo, A.Gargano, J.J.Valiente-Dobon, E.Clement, A.Lemasson, L.Coraggio, M.Siciliano, S.Szilner, M.Bast, T.Braunroth, J.Collado, A.Corina, A.Dewald, M.Doncel, J.Dudouet, G.de France, C.Fransen, V.Gonzalez, T.Huyuk, B.Jacquot, P.R.John, A.Jungclaus, Y.H.Kim, A.Korichi, M.Labiche, S.Lenzi, H.Li, J.Ljungvall, A.Lopez-Martens, D.Mengoni, C.Michelagnoli, C.Muller-Gatermann, D.R.Napoli, A.Navin, B.Quintana, D.Ramos, M.Rejmund, E.Sanchis, J.Simpson, O.Stezowski, D.Wilmsen, M.Zielinska, A.J.Boston, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, H.C.Boston, A.Bracco, B.Cederwall, D.M.Cullen, F.Didierjean, J.Eberth, A.Gottardo, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Kaskas, W.Korten, S.Leoni, R.Menegazzo, B.Million, J.Nyberg, Zs.Podolyak, A.Pullia, D.Ralet, F.Recchia, P.Reiter, K.Rezynkina, M.D.Salsac, M.Senyigit, D.Sohler, C.Theisen, D.Verney

Evidence of Partial Seniority Conservation in the πg_9/2 Shell for the N=50 Isotones

NUCLEAR REACTIONS ⁹²Mo(⁹²Mo, X)⁹⁰Zr/⁹²Mo/⁹⁴Ru, E=717 MeV; measured reaction products, Eγ, Iγ. ⁹³Tc, ⁹⁴Ru, ⁹⁴Mo; deduced level energies, J, π, lifetimes, B(E2). Multinucleon transfer (MNT) reactions, the Grand Acce'le'rateur d'Ions Lourds (GANIL) laboratory, in Caen (France). The Advanced GAmma Tracking Array (AGATA). The Recoil Distance Doppler Shift (RDDS) technique.

doi: 10.1103/PhysRevLett.129.112501
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2021CA28 Phys.Rev. C 104, 064609 (2021)

S.Calabrese, M.Cavallaro, D.Carbone, F.Cappuzzello, C.Agodi, S.Burrello, G.De Gregorio, J.L.Ferreira, A.Gargano, O.Sgouros, L.Acosta, P.Amador-Valenzuela, J.I.Bellone, T.Borello-Lewin, G.A.Brischetto, D.Calvo, V.Capirossi, E.R.Chavez Lomeli, I.Ciraldo, M.Colonna, F.Delaunay, H.Djapo, C.Eke, P.Finocchiaro, S.Firat, M.Fisichella, A.Foti, M.A.Guazzelli, A.Hacisalihoglu, F.Iazzi, L.La Fauci, J.A.Lay, R.Linares, J.Lubian, N.H.Medina, M.Moralles, J.R.B.Oliveira, A.Pakou, L.Pandola, H.Petrascu, F.Pinna, G.Russo, S.O.Solakci, V.Soukeras, G.Souliotis, A.Spatafora, D.Torresi, S.Tudisco, A.Yildirim, V.A.B.Zagatto

¹⁸O-induced single-nucleon transfer reactions on ⁴⁰Ca at 15.3A MeV within a multichannel analysis

NUCLEAR REACTIONS ⁴⁰Ca(¹⁸O, ¹⁷O)⁴¹Ca, E=15.3 MeV/nucleon; ⁴⁰Ca(¹⁸O, ¹⁹F)³⁹K, E=15.3 MeV/nucleon; measured reaction products, ¹⁷O and ¹⁹F ejectiles produced in one-neutron stripping and one-proton pickup reactions, excitation energy spectra, differential σ(θ) using MAGNEX magnetic spectrometer at the K800 Superconducting Cyclotron of INFN-LNS-Catania under NUMEN Collaboration. Comparison with theoretical calculations of σ(θ) distributions using distorted wave Born approximation (DWBA) and coupled channel Born approximation (CCBA) frameworks, with Sao Paulo optical potentials and shell model spectroscopic amplitudes. ¹⁷O, ¹⁹F, ⁴¹Ca, ³⁹K; deduced excitation energies from one-neutron transfer reactions. ¹⁷O, ⁴¹Ca; ¹⁹F, ³⁹K; calculated one-neutron spectroscopic amplitudes for ¹⁸O projectile and ⁴⁰Ca target overlaps using shell-model with the p-sd-mod and ZBM2-modified interactions; coupling schemes for the projectile-ejectile and target-residual systems for the one-proton and one-neutron transfer used in the optical model (OM) + DWBA and CCBA calculations.

doi: 10.1103/PhysRevC.104.064609
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2021CO14 Phys.Rev. C 104, 054304 (2021)

L.Coraggio, G.De Gregorio, A.Gargano, N.Itaco, T.Fukui, Y.Z.Ma, F.R.Xu

Shell-model study of titanium isotopic chain with chiral two- and three-body forces

NUCLEAR STRUCTURE ^{42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72}Ti; calculated S(2n) and compared with AME2020 values, energies of the first 2+ states and compared with experimental values, effective single-particle energies (ESPEs), neutron-neutron monopole matrix elements. Shell-model calculations with an effective Hamiltonian from many-body perturbation theory using ⁴⁰Ca as a closed core, and three-body contributions through density-dependent two-body matrix elements (TBME) derived within a microscopic approach from chiral forces.

doi: 10.1103/PhysRevC.104.054304
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2021FE09 Phys.Rev. C 104, 054316 (2021)

A.Fernandez, A.Jungclaus, P.Golubev, D.Rudolph, L.G.Sarmiento, A.Gargano, H.Naidja, A.Astier, E.Dupont, A.Gadea, E.Nacher, A.Perea, K.Wimmer, E.Clement, G.Fremont, J.Goupil, C.Houarner, B.Jacquot, A.Korichi, A.Lemasson, H.J.Li, J.Ljungvall, L.Menager, R.M.Perez-Vidal, C.M.Petrache, D.Ralet, J.A.Ropert, F.Saillant, A.Saamark-Roth, G.S.Simpson, C.Spitaels, M.Zielinska, S.Ansari, J.Dudouet, A.Illana, M.Jurado, D.Kocheva, N.Lalovic, Ch.Lorenz, B.Quintana, G.Rainovski, N.Redon, G.Tocabens, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, A.Bracco, M.Ciemala, J.Collado, D.M.Cullen, C.Domingo-Pardo, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, W.Korten, S.Leoni, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, D.R.Napoli, J.Nyberg, Zs.Podolyak, A.Pullia, P.Reiter, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon

Reinterpretation of excited states in ²¹²Po: Shell-model multiplets rather than α-cluster states

NUCLEAR REACTIONS ¹²C(²⁰⁸Pb, ²¹²Po)⁸Be, E=1187 MeV; measured Eγ, Iγ, (particle)γ-coin, (particle)γγ-coin, γγ(linear polarization) using 35 36-fold segmented AGATA crystals arranged in 12 triple clusters for γ detection and double-sided silicon strip detector (DSSSD) for particle detection. ²¹²Po; deduced levels, J, π, multipolarities, configurations, exclusive reaction cross sections. Comparisons with shell-model calculations, with structure of ¹⁴⁸Gd, and with earlier experimental results. Discussed previous interpretation as α-cluster states.

NUCLEAR STRUCTURE ²¹²Po; calculated levels, J, π, configurations, γ-ray branching ratios, B(M1), B(E2), wave-function decomposition for the yrast and yrare states using shell model with KHPE and H208 interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.054316
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2021FU11 Few-Body Systems 62, 64 (2021)

T.Fukui, L.Coraggio, G.De Gregorio, A.Gargano, N.Itaco, Y.Ma, F.Xu

Realistic Shell Model with Chiral Interaction and Its Application to Drip-Line Predictions

NUCLEAR STRUCTURE ¹⁰B, ^{42,44,46,48,50,52,54,56,58,60,62,64,66,68,70}Ca; calculated energy levels, J, π, two-neutron separation energy. Comparison with experimental data.

doi: 10.1007/s00601-021-01655-8
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2021KA19 Phys.Rev. C 103, 044309 (2021)

V.Karayonchev, M.Stoyanova, G.Rainovski, J.Jolie, A.Blazhev, M.Djongolov, A.Esmaylzadeh, C.Fransen, K.Gladnishki, L.Knafla, D.Kocheva, L.Kornwebel, J.-M.Regis, G.De Gregorio, A.Gargano

Lifetimes and structures of low-lying negative-parity states of ²⁰⁹Po

RADIOACTIVITY ²⁰⁹At(EC), (β⁺)[from successive α and ϵ decay of ²¹³Fr, produced in ²⁰⁶Pb(¹¹B, 4n)²¹³Fr, E=56 MeV at the FN-Tandem facility of University of Cologne]; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) fast-timing method and analyzed by generalized centroid difference (GCD) method using eight HPGe detectors and 12 LaBr scintillators, with six of these placed inside BGO anti-Compton shields. ²⁰⁹Po; deduced levels, J, π, B(M1), B(E2). Comparison with shell-model calculation using a microscopic effective interaction derived from the realistic CD-Bonn potential.

NUCLEAR STRUCTURE ²⁰⁹Po; calculated proton single-particle and neutron single-hole energies, levels, J, π, B(M1), B(E2), magnetic dipole and electric quadrupole moments, orbital composition and one-neutron pick-up spectroscopic factors of selected states, E2 matrix elements. Shell-model calculations with a realistic effective interaction derived from the CD-Bonn nucleon-nucleon potential within the framework of Q-box folded-diagram approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.044309
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2021KA36 Phys.Rev. C 104, 024311 (2021)

D.Kalaydjieva, D.Kocheva, G.Rainovski, V.Karayonchev, J.Jolie, N.Pietralla, M.Beckers, A.Blazhev, A.Dewald, M.Djongolov, A.Esmaylzadeh, C.Fransen, K.A.Gladnishki, A.Goldkuhle, C.Henrich, I.Homm, K.E.Ide, P.R.John, R.Kern, J.Kleemann, Th.Kroll, C.Muller-Gatermann, M.Scheck, P.Spagnoletti, M.Stoyanova, K.Stoychev, V.Werner, A.Yaneva, S.S.Dimitrova, G.De Gregorio, H.Naidja, A.Gargano

Microscopic structure of the one-phonon 2⁺ states of ²⁰⁸Po

NUCLEAR REACTIONS ²⁰⁴Pb(¹²C, ⁸Be)²⁰⁸Po, E=62 MeV; measured Eγ, Iγ, (particle)γ-coin, half-lives of the first 2+ and 4+ levels by recoil-distance Doppler-shift (RDDS) method using the Cologne plunger device at the FN Tandem facility of the University of Cologne. ²⁰⁸Po; deduced levels, J, π, B(E2). Comparison with large-scale shell-model calculations.

NUCLEAR STRUCTURE ²⁰⁸Po; calculated levels, J, π, B(E2), B(M1), magnetic dipole and electric quadrupole moments using large-scale shell-model calculations with an effective interaction derived from the realistic CD-Bonn nucleon-nucleon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.024311
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2021LE11 Phys.Rev. C 104, 014302 (2021)

S.Lechner, Z.Y.Xu, M.L.Bissell, K.Blaum, B.Cheal, G.De Gregorio, C.S.Devlin, R.F.Garcia Ruiz, A.Gargano, H.Heylen, P.Imgram, A.Kanellakopoulos, A.Koszorus, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, P.Plattner, L.V.Rodriguez, X.F.Yang, D.T.Yordanov

Probing the single-particle behavior above ¹³²Sn via electromagnetic moments of ^{133, 134}Sb and N=82 isotones

NUCLEAR MOMENTS ^133,134mSb; measured hyperfine structure spectra of the 7/2+ ground state of ¹³³Sb and the (7-) isomeric state of ¹³⁴Sb using the collinear laser spectroscopy (COLLAPS) at the radioactive ion-beam facility ISOLDE-CERN; deduced hyperfine structure constants, spins, static magnetic dipole and electric quadrupole moments; discussed single-particle behavior of nuclides above the doubly magic nucleus ¹³²Sn. Comparison with previous experimental results, and with shell-model calculations. ^133,134Sb isotopes produced in U(p, X) reaction using UC_x target, followed by separation of atomic antimony fragments by selective laser ionization, acceleration of ions to 50 keV, and finally mass separated by a magnetic separator and accumulated in a buffer-gas filled radio-frequency quadrupole cooler and buncher.

doi: 10.1103/PhysRevC.104.014302
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2021MO10 Phys.Rev. C 103, 034320 (2021)

B.Moon, A.Jungclaus, H.Naidja, A.Gargano, R.Lozeva, C.-B.Moon, A.Odahara, G.S.Simpson, S.Nishimura, F.Browne, P.Doornenbal, G.Gey, J.Keatings, G.Lorusso, Z.Patel, S.Rice, M.Si, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Taprogge, H.Watanabe, J.Wu, Z.Y.Xu, A.Yagi, D.S.Ahn, H.Baba, F.L.Bello Garrote, S.Bonig, R.Daido, J.M.Daugas, F.Didierjean, F.Drouet, Y.Fang, N.Fukuda, R.Gernhauser, B.Hong, E.Ideguchi, S.Ilieva, N.Inabe, T.Ishigaki, T.Isobe, H.S.Jung, D.Kameda, I.Kojouharov, T.Komatsubara, T.Kroll, T.Kubo, N.Kurz, Y.K.Kwon, C.S.Lee, P.Lee, Z.Li, A.Montaner-Piza, S.Morimoto, K.Moschner, D.Mucher, D.Murai, M.Niikura, H.Nishibata, I.Nishizuka, R.Orlandi, H.Sakurai, H.Schaffner, Y.Shimizu, K.Steiger, H.Suzuki, H.Takeda, K.Tshoo, Zs.Vajta, A.Wendt, R.Yokoyama, K.Yoshinaga

Nuclear structure of Te isotopes beyond neutron magic number N = 82

RADIOACTIVITY ^137,138Sb(β^-), (β^-n), (β^-2n)[from ⁹Be(²³⁸U, F), E=345 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero-Degree spectrometer at RIBF-RIKEN facility]; measured yields of ¹³⁷Sb ¹³⁸Sb, Eγ, Iγ, γγ-coin, half-lives of decays of ground states of ¹³⁷Sb and ¹³⁸Sb using WAS3ABi detection system and EURICA array for γ rays. ^{135,136,137,138}Te; deduced levels, J, π, β^-, β^-n and β^-2n feedings, logft values. Systematics of energies of excited states in the Z=52-64(even) and N=85 isotones. Comparison with large-scale shell-model calculations.

NUCLEAR STRUCTURE ^137,138Te; calculated levels, J, π, one-neutron spectroscopic factors for ¹³⁷Te, B(E2), spectroscopic quadrupole moments and g factors for levels in ¹³⁸Te using large-scale shell-model, with Napoli and N3LOP interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.034320
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2021RO04 Phys.Rev. C 103, 014311 (2021)

M.Rocchini, K.Hadynska-Klek, A.Nannini, A.Goasduff, M.Zielinska, D.Testov, T.R.Rodriguez, A.Gargano, F.Nowacki, G.De Gregorio, H.Naidja, P.Sona, J.J.Valiente-Dobon, D.Mengoni, P.R.John, D.Bazzacco, G.Benzoni, A.Boso, P.Cocconi, M.Chiari, D.T.Doherty, F.Galtarossa, G.Jaworski, M.Komorowska, N.Marchini, M.Matejska-Minda, B.Melon, R.Menegazzo, P.J.Napiorkowski, D.Napoli, M.Ottanelli, A.Perego, L.Ramina, M.Rampazzo, F.Recchia, S.Riccetto, D.Rosso, M.Siciliano

Onset of triaxial deformation in ⁶⁶Zn and properties of its first excited 0⁺ state studied by means of Coulomb excitation

NUCLEAR REACTIONS ²⁰⁸Pb(⁶⁶Zn, ⁶⁶Zn'), E=240 MeV from the XTU-Tandem accelerator of INFN-Legnaro; measured Eγ, Iγ, scattered ⁶⁶Zn particles, (⁶⁶Zn)γ-coin, γ-ray yields, γ(θ), (⁶⁶Zn)γ(θ) in safe Coulomb excitation using GALILEO spectrometer for γ radiation, and SPIDER array for ⁶⁶Zn particles. ⁶⁶Zn; deduced levels, J, π, Coulomb excitation yields, reduced E2, E3, and M1 matrix elements using GOSIA least-squares fitting analysis, B(E2), B(E3), B(M1), spectroscopic quadrupole moments for the first and second 2+ and the first 4+ states, quadrupole shape invariants and deformation parameters; calculated collective wave function contours for selected states in ⁶⁶Zn, and potential energy surfaces for ^64,66,68,70Zn in (β₂, γ) plane. Comparison with extensive beyond-mean-field (BMF) and large-scale shell-model calculations with a variety of model spaces and interactions, and with results of previous experimental results. Systematics of low-lying states in ^{62,64,66,68,70}Zn.

doi: 10.1103/PhysRevC.103.014311
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2020CI01 Phys.Lett. B 802, 135222 (2020)

N.Cieplicka-Orynczak, C.Michelagnoli, A.Gargano, B.Fornal, S.Leoni, G.Benzoni, A.Blanc, S.Bottoni, F.C.L.Crespi, L.W.Iskra, M.Jentschel, U.Koster, P.Mutti, N.Pietralla, E.Ruiz-Martinez, V.Werner

Contrasting properties of particle-particle and hole-hole excitations in ²⁰⁶Tl and ²¹⁰Bi nuclei

NUCLEAR REACTIONS ²⁰⁹Bi, ²⁰⁵Tl(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, level schemes, branching ratios. Comparison with shell-model realistic calculations.

doi: 10.1016/j.physletb.2020.135222
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2020CO05 Phys.Rev. C 101, 044315 (2020)

L.Coraggio, A.Gargano, N.Itaco, R.Mancino, F.Nowacki

Calculation of the neutrinoless double-β decay matrix element within the realistic shell model

RADIOACTIVITY ⁴⁸Ca, ⁷⁶Ge, ⁸²Se, ¹³⁰Te, ¹³⁶Xe(2β^-); calculated nuclear matrix element, and neutron pair contributions to nuclear matrix element of 0νββ decay using shell model with realistic nucleon-nucleon potential. Comparison with other theoretical calculations.

doi: 10.1103/PhysRevC.101.044315
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2020CO10 Phys.Rev. C 102, 054326 (2020)

L.Coraggio, G.De Gregorio, A.Gargano, N.Itaco, T.Fukui, Y.Z.Ma, F.R.Xu

Shell-model study of calcium isotopes toward their drip line

NUCLEAR STRUCTURE ⁵⁰Ca; calculated low-lying levels, J, π. ^{42,44,46,48,50,52,54,56,58,60,62,64,66,68,70}Ca; calculated S(2n), energies of first 2+ states. ⁴⁹Ca; calculated negative-parity, low-spin energy levels. Shell model calculations with two- and three-nucleon potentials derived within the chiral perturbation theory. Calculated two-body matrix elements given in Supplemental material. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.054326
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2020CO16 Universe 6, 233 (2020)

L.Coraggio, N.Itaco, G.De Gregorio, A.Gargano, R.Mancino, S.Pastore

Present Status of Nuclear Shell-Model Calculations of 0νββ Decay Matrix Elements

doi: 10.3390/universe6120233
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2020DI05 Phys.Lett. B 811, 135962 (2020)

J.Diaz-Cortes, J.Benlliure, J.L.Rodriguez-Sanchez, H.Alvarez-Pol, T.Aumann, C.A.Bertulani, B.Blank, E.Casarejos, D.Cortina-Gil, D.Dragosavac, V.Fohr, A.Gargano, M.Gascon, W.Gawlikowicz, A.Heinz, K.Helariutta, A.Kelic-Heil, S.Lukic, F.Montes, D.Perez-Loureiro, L.Pienkowski, K.-H.Schmidt, M.Staniou, K.Subotic, K.Summerer, J.Taieb, A.Trzcinska

Systematic reduction of the proton-removal cross section in neutron-rich medium-mass nuclei

NUCLEAR REACTIONS ⁹Be(²³⁸U, X)¹³²Sn/¹³¹Sn/¹³¹In/¹²⁸Sn/¹³⁰Sn/¹³⁶Sn, E=950 MeV/nucleon; ⁹Be(¹³²Xe, X)¹¹⁹Sn/¹²⁴Sn/¹²⁶Sn, E=1200 MeV/nucleon; ⁹Be(¹¹⁹Sn, X), (¹²⁴Sn, X), (¹²⁶Sn, X), (¹³⁰Sn, X), (¹³¹Sn, X), (¹³²Sn, X), (¹²⁸Sn, X), (¹³⁶Sn, X), (¹³¹Sn, X), E ∼ 1000 MeV/nucleon; measured reaction products, TOF; deduced single neutron and single proton removal σ. Comparison with the advanced Liege intra-nuclear cascade (INCL) model calculations.

doi: 10.1016/j.physletb.2020.135962
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2020GO06 Phys.Rev. C 102, 014323 (2020)

A.Gottardo, G.de Angelis, P.Doornenbal, L.Coraggio, A.Gargano, N.Itaco, K.Kaneko, P.Van Isacker, T.Furumoto, G.Benzoni, J.Lee, H.Liu, M.Matsushita, D.Mengoni, V.Modamio-Hoybjor, S.Momiyama, T.Motobayashi, D.R.Napoli, M.Niikura, E.Sahin, Y.Shiga, H.Sakurai, R.Taniuchi, S.Takeuchi, H.Wang, J.J.Valiente-Dobon, R.Avigo, H.Baba, N.Blasi, F.L.Bello Garrote, F.Browne, F.C.L.Crespi, S.Ceruti, R.Daido, M.-C.Delattre, D.Fang, Zs.Dombradi, T.Isobe, I.Kuti, G.Lorusso, K.Matsui, B.Melon, T.Miyazaki, S.Nishimura, R.Orlandi, Z.Patel, S.Rice, L.Sinclair, P.A.Soderstrom, D.Sohler, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, O.Wieland, J.Wu, Z.Y.Xu, M.Yalcinkaya, R.Yokoyama

Transition strengths in the neutron-rich ^{73, 74, 75}Ni isotopes

NUCLEAR REACTIONS Pb(⁷³Ni, ⁷³Ni'), (⁷⁴Ni, ⁷⁴Ni'), (⁷⁵Ni, ⁷⁵Ni'), E=215 MeV/nucleon, [secondary cocktail beam from ⁹Be(²³⁸U, F), E=345 MeV/nucleon, and separated by A/Q using the BigRIPS fragment separator at RIBF-RIKEN facility]; measured reaction products identified by the ZeroDegree spectrometer, Eγ, Iγ, (scattered Ni nuclei)γ-coin using the WAS3Abi-EURICA setup with the DALI2 NaI(Tl) array for γ detection. ^73,74,75Ni; deduced levels, J, π, B(E2) from Coulomb excitation cross sections. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevC.102.014323
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2020GR01 Phys.Rev.Lett. 124, 032502 (2020)

T.J.Gray, J.M.Allmond, A.E.Stuchbery, C.-H.Yu, C.Baktash, A.Gargano, A.Galindo-Uribarri, D.C.Radford, J.C.Batchelder, J.R.Beene, C.R.Bingham, L.Coraggio, A.Covello, M.Danchev, C.J.Gross, P.A.Hausladen, N.Itaco, W.Krolas, J.F.Liang, E.Padilla-Rodal, J.Pavan, D.W.Stracener, R.L.Varner

Early Signal of Emerging Nuclear Collectivity in Neutron-Rich ¹²⁹Sb

NUCLEAR REACTIONS ⁵⁰Ti(¹²⁹Sb, ¹²⁹Sb'), E=400 MeV; measured reaction products, Eγ, Iγ. ¹²⁹Sb; deduced γ-ray energies, J, π, B(E2). Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.124.032502
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2020JU02 Phys.Rev. C 102, 034324 (2020)

A.Jungclaus, J.M.Keatings, G.S.Simpson, H.Naidja, A.Gargano, S.Nishimura, P.Doornenbal, G.Gey, G.Lorusso, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, Y.Shimizu, H.Suzuki, H.Takeda, Z.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, S.Bonig, J.-M.Daugas, R.Gernhauser, S.Ilieva, T.Kroll, A.Montaner-Piza, K.Moschner, D.Mucher, H.Nishibata, A.Odahara, R.Orlandi, M.Scheck, K.Steiger, A.Wendt

Evolution of proton single-particle states in neutron-rich Sb isotopes beyond N=82

RADIOACTIVITY ^136,137,138Sn(β^-)(β^-n)[from ⁹Be(²³⁸U, F), E=345 MeV/nucleon, followed by separation and identification of fragments of interest using BigRIPS separator and ZeroDegree spectrometer, and implants deposited at WAS3ABi detector at RIBF-RIKEN facility]; measured Eγ, Iγ, Eβ, βγ- and γγ-coin using the EURICA array of Ge detectors, half-lives of decays of ¹³⁶Sn, ¹³⁷Sn and ¹³⁸Sn. ^136,137,138Sb; deduced levels, J, π, %β^-n or Pn, β feedings, logft, configurations. Comparison with shell model calculations using the Napoli and N3LOP interactions. Systematics of first 5/2+ and 7/2+ states in ^{133,135,137,139,141}Sb. ^134,136,138Sb; calculated energies of levels in 0- to 7- spin range using shell model calculations using the Napoli and N3LOP interactions, and compared with experimental data. Systematics of experimental energies of the first 5/2+ and 7/2+ states in A=107-135, odd-A Sb isotopes.

doi: 10.1103/PhysRevC.102.034324
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2020MA33 Phys.Lett. B 808, 135673 (2020)

Y.Z.Ma, F.R.Xu, N.Michel, S.Zhang, J.G.Li, B.S.Hu, L.Coraggio, N.Itaco, A.Gargano

Continuum and three-nucleon force in Borromean system: The ¹⁷Ne case

NUCLEAR STRUCTURE ¹⁷Ne; analyzed available data; calculated energy levels, J, π, proton-proton and proton-neutron correlation densities.

doi: 10.1016/j.physletb.2020.135673
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2020RO19 Phys.Rev. C 102, 051301(R) (2020)

L.V.Rodriguez, D.L.Balabanski, M.L.Bissell, K.Blaum, B.Cheal, G.De Gregorio, J.Ekman, R.F.Garcia Ruiz, A.Gargano, G.Georgiev, W.Gins, C.Gorges, H.Heylen, A.Kanellakopoulos, S.Kaufmann, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, S.Sailer, R.Sanchez, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov

Doubly-magic character of ¹³²Sn studied via electromagnetic moments of ¹³³Sn

NUCLEAR MOMENTS ¹³³Sn; measured hyperfine structure spectra, magnetic dipole moment (μ) and electric quadrupole moment (Q) using high-resolution collinear laser spectroscopy at ISOLDE-CERN facility; deduced 1f_7/2 neutron orbital configuration for ¹³³Sn g.s., and doubly-magic character of ¹³²Sn. ¹³³Sn activity produced in fission of a uranium carbide target by neutrons from spallation reaction on tungsten by high-energy protons, followed by laser ionization and mass selection through a linear Paul trap. Systematics of magnetic dipole moments (μ) and electric quadrupole moments (Q) for N=83 isotones: ¹³³Sn, ¹³⁵Te, ¹³⁷Xe, ¹³⁹Ba, ¹⁴¹Ce, ¹⁴³Nd, ¹⁴⁵Sm, ¹⁴⁷Gd and ¹⁴⁹Dy. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.102.051301
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2019CO07 Phys.Rev. C 100, 014316 (2019)

L.Coraggio, L.De Angelis, T.Fukui, A.Gargano, N.Itaco, F.Nowacki

Renormalization of the Gamow-Teller operator within the realistic shell model

NUCLEAR STRUCTURE ⁴⁸Ca, ⁴⁸Ti, ⁷⁶Ge, ^76,82Se, ⁸²Kr, ¹³⁰Te, ^130,136Xe, ¹³⁶Ba; calculated levels, B(E2), B(M1), B(GT) strengths, magnetic dipole moments using realistic shell model. Comparison with experimental data.

RADIOACTIVITY ⁴⁸Ca, ⁷⁶Ge, ⁸²Se, ⁸²Kr, ¹³⁰Te, ¹³⁶Xe(2β^-); calculated nuclear matrix elements for 2νββ decay mode.

doi: 10.1103/PhysRevC.100.014316
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2019KA04 Phys.Rev. C 99, 014301 (2019)

L.Kaya, A.Vogt, P.Reiter, C.Muller-Gatermann, A.Gargano, L.Coraggio, N.Itaco, A.Blazhev, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hetzenegger, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, D.Rosiak, N.Saed-Samii, E.Sahin, M.Siciliano, F.Scarlassara, M.Seidlitz, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, C.Ur, J.J.Valiente-Dobon, M.Weinert, K.Wolf, K.O.Zell

Identification of high-spin proton configurations in ¹³⁶Ba and ¹³⁷Ba

NUCLEAR REACTIONS ²³⁸U(¹³⁶Xe, ¹³⁶Ba), E=6.84 MeV/nucleon; measured Eγ, Iγ, charged particles, and (charged particles)γ- and γγ-coin using the AGATA array for γ detection and the PRISMA spectrometer for charged particles at PIAVE+ALPI accelerator complex of INFN-LNL-Legnaro. ¹³⁰Te(⁹Be, X)¹³⁶Ba, E=40, 43 MeV; ¹³⁰Te(¹¹B, X)¹³⁶Ba/¹³⁷Ba, E not given; measured Eγ, Iγ, γγ-coin, γγ(θ) using 11 HPGe detectors and HORUS array of 14 HPGe detectors at the FN Tandem accelerator of University of Cologne. ^136,137Ba; deduced high-spin levels, J, π, multipolarities, mixing ratios. Comparison with shell model predictions using GCN50:82, PQM130, realistic SM and SN100PN interactions. Systematics of high-spin levels in ^134,135Xe, ^136,137Ba, ^138,139Ce, ¹⁴⁰Nd.

NUCLEAR STRUCTURE ^136,137Ba; calculated levels, J, π, wave functions, neutron occupation numbers using shell model with several interactions. Comparison with experimental data. ¹³⁴Xe, ¹³⁶Ba, ¹³⁸Ce; calculated average neutron occupation numbers of the gdsh model space for observed high-spin states using the GCN50:82 and SN100PN interactions. ¹³⁴Xe, ¹³⁶Ba; calculated decomposition of the total angular momentum of selected states.

doi: 10.1103/PhysRevC.99.014301
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2019KA36 Phys.Rev. C 100, 024323 (2019)

L.Kaya, A.Vogt, P.Reiter, M.Siciliano, N.Shimizu, Y.Utsuno, H.-K.Wang, A.Gargano, L.Coraggio, N.Itaco, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Blazhev, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, A.Esmaylzadeh, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, V.Karayonchev, L.Kornwebel, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, J.-M.Regis, N.Saed-Samii, E.Sahin, F.Scarlassara, K.Schomacker, M.Seidlitz, B.Siebeck, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, E.Teruya, C.Ur, J.J.Valiente-Dobon, K.Wolf, K.Yanase, N.Yoshinaga, K.O.Zell

Isomer spectroscopy in ¹³³Ba and high-spin structure of ¹³⁴Ba

NUCLEAR REACTIONS ¹²⁴Sn(¹³C, X)¹³³Ba/¹³⁴Ba, E=55 MeV from FN tandem accelerator at Cologne; ²⁰⁸Pb(¹³⁶Xe, X)¹³⁴Ba, E=6.84 MeV/nucleon from PIAVE+ALPI accelerator complex at LNL-Legnaro; measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives of isomers by γγ(t) using eight HPGe and 12 LaBr₃(ce) detectors at Cologne, and magnetic spectrometer PRISMA with AGATA array at Legnaro. ^133,134Ba; deduced high-spin levels, isomers, J, π, multipolarities, alignments, bands, backbending, configurations, B(E1), B(E2). Comparison with shell-model calculations for ¹³⁴Ba, and with previous experimental results. Systematics of positive- and negative-parity yrast states in N=78 nuclei: ¹³⁰Te, ¹³²Xe, ¹³⁴Ba, ¹³⁶Ce, ¹³⁸Nd, ¹⁴⁰Sm, ¹⁴²Gd, and Z=56 nuclei: ^{126,128,130,132,134,136,138}Ba.

NUCLEAR STRUCTURE ¹³⁴Ba; calculated levels, J, π using GCN50:82, SN100PN, SNV, PQM130, and realistic SM interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.024323
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2019MA65 Phys.Rev. C 100, 034324 (2019)

Y.Z.Ma, L.Coraggio, L.De Angelis, T.Fukui, A.Gargano, N.Itaco, F.R.Xu

Contribution of chiral three-body forces to the monopole component of the effective shell-model Hamiltonian

NUCLEAR STRUCTURE ^41,42Ca, ⁴¹Sc; calculated low-lying levels, J, π, single-particle spectra for ⁴¹Ca and ⁴¹Sc. ^{40,42,44,46,48,50,52,54,56,58,60}Ca, ^{48,50,52,54,56,58,60,62,64,66,68}Ni; calculated neutron and proton effective single-particle energies (ESPEs), energies of 2+ levels, S(2n). ^{42,44,46,48,50,52,54,56,58,60,62}Ti, ^{44,46,48,50,52,54,56,58,60,62,64}Cr, ^{46,48,50,52,54,56,58,60,62,64,66}Fe; calculated energies of 2+ levels, S(2n). ⁴⁶Ar, ⁴⁸Ca, ⁵⁰Ti, ⁵²Cr, ⁵⁴Fe, ⁵⁶Ni; calculated energies of 2+ levels, B(E2) for the first 2+ levels. Realistic shell-model calculations for fp-shell even-even nuclei (Z=20-28, N=20-40) starting from chiral two-nucleon (2NF) and three-nucleon (3NF) forces, within the many-body perturbation theory. Comparison with experimental data. Discussed the role of the monopole component of the effective shell-model Hamiltonian.

doi: 10.1103/PhysRevC.100.034324
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2019PH02 Phys.Rev. C 100, 011302 (2019)

V.H.Phong, G.Lorusso, T.Davinson, A.Estrade, O.Hall, J.Liu, K.Matsui, F.Montes, S.Nishimura, A.Boso, P.H.Regan, R.Shearman, Z.Y.Xu, J.Agramunt, J.M.Allmond, D.S.Ahn, A.Algora, H.Baba, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, M.Wolinska-Cichocka, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Gargano, S.Go, C.J.Griffin, R.K.Grzywacz, L.Harkness-Brennan, T.Isobe, A.Jungclaus, D.Kahl, L.H.Khiem, G.Kiss, A.Korgul, S.Kubono, K.Miernik, A.I.Morales, N.Nepal, M.Piersa, Zs.Podolyak, B.C.Rasco, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stacener, T.Sumikama, H.Suzuki, H.Takeda, J.L.Tain, A.Tarifeno-Saldivia, A.Tolosa-Delgado, V.Vaquero, P.J.Woods, R.Yokoyama, C.Yuan

Observation of a ¹³⁴₄₉In₈₅ Proton-neutron coupling "southeast" of ¹³²₅₀Sn₈₂

NUCLEAR REACTIONS ⁹Be(²³⁸U, F)¹²⁰Rh/¹²¹Rh/¹²²Rh/¹²³Rh/¹²⁴Rh/¹²⁵Rh/¹²³Pd/¹²⁴Pd/¹²⁵Pd/¹²⁶Pd/¹²⁷Pd/¹²⁸Pd/¹²⁵Ag/¹²⁶Ag/¹²⁷Ag/¹²⁸Ag/¹²⁹Ag/¹³⁰Ag/¹²⁸Cd/¹²⁹Cd/¹³⁰Cd/¹³¹Cd/¹³²Cd/¹³³Cd/¹³¹In/¹³²In/¹³³In/¹³⁴In/¹³⁵In/¹³⁶In/¹³⁴Sn/¹³⁵Sn/¹³⁶Sn/¹³⁷Sn/¹³⁸Sn/¹³⁹Sn/¹³⁸Sb/¹³⁹Sb/¹⁴⁰Sb/¹⁴¹Te/¹⁴²Te, E=345 MeV/nucleon; measured fission fragment yields, A/Q plot, Eγ, Iγ, (fragment)γ-coin, half-lives of isomers in ¹²⁸Cd and ¹³⁴In by (ion)γ(t) using BigRIPS, ZeroDegree spectrometer, and AIDA array for fragment separation and identification, and HPGe detectors for γ detection at RIBF-RIKEN. ¹²⁸Cd, ¹³⁰Ag, ^132,134In; measured (ion)γ-coin spectra; deduced isomers in ¹²⁸Cd and ¹³⁴In, configurations, no evidence for isomers in ¹³⁰Ag and ¹³²In. ¹³⁴In; compared Weisskopf estimated half-lives for E1, M1, E2 and M2 multipolarities for the isomeric transition in the case of bare nuclei and neutral atoms with the measured half-life, best agreement found for E2 multipolarity. ¹³⁰Ag, ^132,134In; calculated levels, J, π using shell model, and compared with available experimental data.

doi: 10.1103/PhysRevC.100.011302
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2019VA07 Phys.Lett. B 795, 356 (2019)

V.Vaquero, A.Jungclaus, J.L.Rodriguez-Sanchez, J.A.Tostevin, P.Doornenbal, K.Wimmer, S.Chen, E.Nacher, E.Sahin, Y.Shiga, D.Steppenbeck, R.Taniuchi, Z.Y.Xu, T.Ando, H.Baba, F.L.Bello Garrote, S.Franchoo, A.Gargano, K.Hadynska-Klek, A.Kusoglu, J.Liu, T.Lokotko, S.Momiyama, T.Motobayashi, S.Nagamine, N.Nakatsuka, M.Niikura, R.Orlandi, T.Saito, H.Sakurai, P.A.Soderstrom, G.M.Tveten, Zs.Vajta, M.Yalcinkaya

Inclusive cross sections for one- and multi-nucleon removal from Sn, Sb, and Te projectiles beyond the N=82 shell closure

NUCLEAR REACTIONS C(¹³⁶Te, n), (¹³⁶Te, 2n), (¹³⁶Te, 3n), (¹³⁶Te, 4n), (¹³⁶Te, 5n), (¹³⁶Te, 6n), (¹³⁴Sn, p), E=138-145 MeV/nucleon; measured reaction products; deduced σ. Comparison with two different versions of the Liege intranuclear cascade model (INCL).

doi: 10.1016/j.physletb.2019.06.035
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2018CA14 Phys.Rev. C 97, 064611 (2018)

E.N.Cardozo, J.Lubian, R.Linares, F.Cappuzzello, D.Carbone, M.Cavallaro, J.L.Ferreira, A.Gargano, B.Paes, G.Santagati

Competition between direct and sequential two-neutron transfers in the ¹⁸O + ²⁸Si collision at 84 MeV

NUCLEAR REACTIONS ²⁸Si(¹⁸O, ¹⁶O), E=84 MeV; measured ¹⁶O ejectile, spectrum, σ, angular distributions using MAGNEX spectrometer at INFN-LNS-Catania; calculated differential σ(θ) using extreme cluster, independent coordinates or sequential models. ³⁰Si; deduced levels, J, π, angle-integrated σ for levels. ²⁸Si(t, p), E=18 MeV; ²⁸Si(¹⁸O, ¹⁸O), (¹⁸O, ¹⁶O), E=56 MeV; analyzed σ(θ) data. ^28,29,30Si; calculated low-lying levels, two-neutron spectroscopic amplitudes for ²⁸Si to ³⁰Si transitions, one-neutron spectroscopic amplitudes for ²⁸Si to ²⁹Si and ²⁹Si to ³⁰Si transitions by shell-model with psdmod interaction, with sequential transfer calculated within the two-step coupled-channel Born approximation (CCBA).

doi: 10.1103/PhysRevC.97.064611
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2018CA18 Acta Phys.Pol. B49, 373 (2018)

D.Carbone, J.L.Ferreira, F.Cappuzzello, J.Lubian, C.Agodi, M.Cavallaro, A.Foti, A.Gargano, S.M.Lenzi, R.Linares, G.Santagati

Microscopic Cluster Model for the Description of (¹⁸O, ¹⁶O) Two-neutron Transfer Reactions

NUCLEAR REACTIONS ¹³C(¹⁸O, ¹⁶O)¹⁵C, E=84 MeV; measured reaction products using MAGNEX spectrometer; deduced excitation energy spectrum, σ(θ) vs θ to gs and to 0.74 MeV excited state in ¹⁵C using microscopic cluster model and 2-step Coupled Reaction Channels (CRC) calculations.

doi: 10.5506/aphyspolb.49.373
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2018FU14 Phys.Rev. C 98, 044305 (2018)

T.Fukui, L.De Angelis, Y.Z.Ma, L.Coraggio, A.Gargano, N.Itaco, F.R.Xu

Realistic shell-model calculations for p-shell nuclei including contributions of a chiral three-body force

NUCLEAR STRUCTURE ^6,8Li, ⁸Be, ^8,10,11B, ^12,13C, ¹⁶O, ²⁰Ne, ²⁴Mg; calculated levels, g.s. energies, proton and neutron effective single-particle energies of N=Z nuclei with and without next-to-next-to leading order three-body potential using chiral perturbation theory and realistic shell-model (RCM) Hamiltonian. Comparison with experimental values, and with no-core shell-model calculations.

doi: 10.1103/PhysRevC.98.044305
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2018KA27 Phys.Rev. C 98, 014309 (2018)

L.Kaya, A.Vogt, P.Reiter, M.Siciliano, B.Birkenbach, A.Blazhev, L.Coraggio, E.Teruya, N.Yoshinaga, K.Higashiyama, K.Arnswald, D.Bazzacco, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, J.Eberth, E.Farnea, E.Fioretto, C.Fransen, B.Fu, A.Gadea, A.Gargano, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hetzenegger, R.Hirsch, N.Itaco, P.R.John, J.Jolie, A.Jungclaus, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, Zs.Podolyak, G.Pollarolo, A.Pullia, M.Queiser, F.Recchia, D.Rosiak, N.Saed-Samii, E.Sahin, F.Scarlassara, D.Schneiders, M.Seidlitz, B.Siebeck, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, C.Ur, J.J.Valiente-Dobon, K.Wolf, K.O.Zell

High-spin structure in the transitional nucleus ¹³¹Xe: Competitive neutron and proton alignment in the vicinity of the N=82 shell closure

NUCLEAR REACTIONS ²⁰⁸Pb(¹³⁶Xe, X), E=6.84 MeV/nucleon; ²³⁸U(¹³⁶Xe, X), E=7.35 MeV/nucleon; measured projectile-like reaction fragments using PRISMA magnetic spectrometer, Eγ, Iγ, γγ- and (¹³¹Xe)γ-coin using AGATA demonstrator array for γ detection at LNL-Legnaro. ¹²⁴Sn(¹¹B, 3np), E=54 MeV; measured Eγ, Iγ, γγ and pγ-coin, γγ(θ) using HORUS array at Cologne for γ detection and annular double-sided silicon strip detector (DSSSD) for particles. ¹³¹Xe; deduced levels, J, π, high-spin states. Comparison with shell-model calculations using several different interactions; discussed systematics of high-spin states in Z=54 nuclei of ^{123,125,127,129,131}Xe, and N=77 nuclei of ¹²⁷Sn, ¹²⁹Te¹³¹Xe, ¹³³Ba, ¹³⁵Ce, ¹³⁷Nd, ¹³⁹Sm, ¹⁴¹Gd; compiled experimental total aligned angular momentum versus rotational frequency plots for yrast bands in A=117-132 Xe isotopes.

NUCLEAR STRUCTURE ¹³¹Xe; calculated levels, J, π, contribution of proton and neutron configurations for selected states, proton and neutron occupation numbers in h_11/2 orbital, total aligned angular momenta as function of rotational frequency, and B(E2) using shell-model calculations with PQM130, SN100PN, GCN50:82, realistic SM, and SN100-KTH interactions. ¹²⁹Xe; calculated proton and neutron occupation numbers in h_11/2 orbital, total aligned angular momenta as function rotational frequency using shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.98.014309
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2018KA47 Phys.Rev. C 98, 054312 (2018)

L.Kaya, A.Vogt, P.Reiter, C.Muller-Gatermann, M.Siciliano, L.Coraggio, N.Itaco, A.Gargano, K.Arnswald, D.Bazzacco, B.Birkenbach, A.Blazhev, A.Bracco, B.Bruyneel, L.Corradi, F.C.L.Crespi, G.de Angelis, M.Droste, J.Eberth, E.Farnea, E.Fioretto, C.Fransen, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, K.Hadynska-Klek, H.Hess, R.Hetzenegger, R.Hirsch, P.R.John, J.Jolie, A.Jungclaus, W.Korten, S.Leoni, L.Lewandowski, S.Lunardi, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, D.Rosiak, N.Saed-Samii, E.Sahin, F.Scarlassara, M.Seidlitz, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, C.Ur, J.J.Valiente-Dobon, M.Weinert, K.Wolf, K.O.Zell

Millisecond 23/2⁺ isomers in the N=79 isotones ¹³³Xe and ¹³⁵Ba

NUCLEAR REACTIONS ²⁰⁸Pb(¹³⁶Xe, X)¹³⁵Ba/¹³³Xe/¹³²Xe/¹³⁶Ba, E=6.84 MeV/nucleon; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using the Advanced GAmma Tracking Array (AGATA) for γ detection and the PRISMA magnetic spectrometer for particle identification at the PIAVE+ALPI accelerator complex of LNL-Legnaro. ¹³⁰Te(⁹Be, X)¹³²Xe/¹³³Xe/¹³⁵Ba/¹³⁶Ba, E=40 MeV; measured Eγ, Iγ, γγ-coin, off-beam γγ(θ), half-lives of isomers using the HORUS array for γ detection at the FN tandem accelerator of the University of Cologne. ^132,133Xe, ^135,136Ba; deduced high-spin levels, isomers, J, π, total conversion coefficients, multipolarities, mixing ratios, configurations, B(M2), B(E3). ²¹⁴Po; deduced mixing ratio for a transition from γγ(θ) measurement. Comparison with previous experimental data, and with large-scale shell model calculations using the SM, GCN50:82, SN100PN and SN100-KTH interactions. Systematics of levels, J, π, transition probabilities and isomers in N=79 isotones of ¹²⁹Sn, ¹³¹Te, ¹³³Xe, ¹³⁵Ba, ¹³⁷Ce, ¹³⁹Nd, ¹⁴¹Sm, ¹⁴³Gd.

NUCLEAR STRUCTURE ¹³³Xe, ¹³⁵Ba; calculated levels, J, π, configurations using large-scale shell model with SM, GCN50:82, SN100PN and SN100-KTH interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.98.054312
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2018LI59 Phys.Rev. C 98, 054615 (2018)

R.Linares, M.J.Ermamatov, J.Lubian, F.Cappuzzello, D.Carbone, E.N.Cardozo, M.Cavallaro, J.L.Ferreira, A.Foti, A.Gargano, B.Paes, G.Santagati, V.A.B.Zagatto

Analysis of the one-neutron transfer to ¹⁶O, ²⁸Si, and ⁶⁴Ni induced by the (¹⁸O, ¹⁷O) reaction at 84 MeV

NUCLEAR REACTIONS ¹⁶O, ²⁸Si, ⁶⁴Ni(¹⁸O, ¹⁷O), E=84 MeV; measured yields of reaction products, differential σ(θ), angle-integrated σ using MAGNEX magnetic spectrometer at INFN-LNS-Catania. ¹⁷O, ²⁹Si, ⁶⁵Ni; deduced levels, J, π. Comparison of σ(θ) data, and angle-integrated σ with coupled-channel calculations (CRC) and DWBA calculations using spectroscopic amplitudes from shell model with the ZBM and PSDMOD interactions. ²⁹Si; calculated levels, J, π, spectroscopic amplitudes and spectroscopic factors using shell-model with PSDMOD and PSDMWKPN interactions.

doi: 10.1103/PhysRevC.98.054615
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2018MO33 Phys.Lett. B 781, 706 (2018)

A.I.Morales, G.Benzoni, H.Watanabe, G.de Angelis, S.Nishimura, L.Coraggio, A.Gargano, N.Itaco, T.Otsuka, Y.Tsunoda, P.Van Isacker, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.J.Valiente-Dobon, J.Wu, Z.Y.Xu, A.Yagi, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, A.M.Bruce, F.Camera, S.Ceruti, F.C.L.Crespi, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kojouharov, N.Kurz, I.Kuti, S.Lalkovski, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoybjor, S.Momiyama, D.R.Napoli, M.Niikura, R.Orlandi, Zs.Podolyak, P.H.Regan, H.Sakurai, E.Sahin, D.Sohler, H.Schaffner, R.Taniuchi, J.Taprogge, Zs.Vajta, O.Wieland, M.Yalcinkaya

Is seniority a partial dynamic symmetry in the first νg_9/2 shell?

RADIOACTIVITY ^72,74Co(β^-) [from ⁹Be(²³⁸U, X), E=345 MeV/nucleon]; measured reaction products, Eγ, Iγ; deduced γ-ray energies, levels, isomeric states, seniority scheme, B(E2), the disappearance of the seniority isomerism. Comparison with available data. The MCSM calculations. The first in-flight β-delayed fast-timing study. The RIBF facility in RIKEN within the EURICA collaboration.

doi: 10.1016/j.physletb.2018.04.049
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2018RE09 Phys.Rev. C 98, 014328 (2018)

W.Reviol, D.G.Sarantites, J.M.Elson, J.E.Kinnison, A.Gargano, R.V.F.Janssens, J.M.Allmond, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, H.M.David, A.Galindo-Uribarri, N.Itaco, T.Lauritsen, E.Padilla-Rodal, S.Zhu

Low-spin structure of the N=82 nucleus ¹³⁷Cs

NUCLEAR REACTIONS ¹⁰B(¹³⁶Xe, ⁹Be), E=560 MeV; measured Eγ, Iγ, particle spectra, γγ- and (⁹Be)γ-coin, γ(θ) using Gammasphere array for γ detection and Phoswich Wall array for charged particle detection at ATLAS-ANL. ¹³⁷Cs; deduced levels, J, π, multipolarities, configurations. Comparison of level spectra with shell-model calculations. Systematics of level energies in N=82 ¹³³Sb, ¹³⁵I, and ¹³⁷Cs isotones.

doi: 10.1103/PhysRevC.98.014328
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2018SA36 Acta Phys.Pol. B49, 381 (2018)

G.Santagati, B.Paes, R.Magana Vsevolodovna, F.Cappuzzello, D.Carbone, E.N.Cardozo, M.Cavallaro, H.Garcia-Tecocoatzi, A.Gargano, J.L.Ferreira, S.M.Lenzi, R.Linares, E.Santopinto, A.Vitturi, J.Lubian

Study of the ¹⁸O + ⁶⁴Ni Two-neutron Transfer Reaction at 84 MeV by MAGNEX

NUCLEAR REACTIONS ⁶⁴Ni(¹⁸O, ¹⁶O), ⁶⁶Ni, E=84 MeV; measured reaction products in angular range 3⁰-31⁰ (lab) at INFN-LNS in Catania, ejectiles momenta analyzed using MAGNEX spectrometer; deduced ⁶⁶Ni excitation energy spectrum, σ(θ) to gs to to 1.424 state of ⁶⁶Ni; calculated σ(θ) to gs to to 1.424 state; deduced that short-range pairing correlation may play important role in 2n transfer to ⁶⁶Ni gs, verified predominance of 2n transfer to the first excited state of ⁶⁶Ni, confirmed long-range effect of the wave function of this state. Calculations independent on the nuclear structure model.

doi: 10.5506/aphyspolb.49.381
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2017AL06 Phys.Rev.Lett. 118, 092503 (2017)

J.M.Allmond, A.E.Stuchbery, C.Baktash, A.Gargano, A.Galindo-Uribarri, D.C.Radford, C.R.Bingham, B.A.Brown, L.Coraggio, A.Covello, M.Danchev, C.J.Gross, P.A.Hausladen, N.Itaco, K.Lagergren, E.Padilla-Rodal, J.Pavan, M.A.Riley, N.J.Stone, D.W.Stracener, R.L.Varner, C.-H.Yu

Electromagnetic Moments of Radioactive ¹³⁶Te and the Emergence of Collectivity 2p (+) 2n Outside of Double-Magic ¹³²Sn

NUCLEAR REACTIONS Ti(¹³⁶Te, ¹³⁶Te'), E=410 MeV; measured reaction products, Eγ, Iγ. ¹³⁶Te; deduced energy levels, J, π, B(E2) values. Comparison with experimental data and theoretical calculations.

doi: 10.1103/PhysRevLett.118.092503
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2017AR09 Phys.Lett. B 772, 599 (2017)

K.Arnswald, T.Braunroth, M.Seidlitz, L.Coraggio, P.Reiter, B.Birkenbach, A.Blazhev, A.Dewald, C.Fransen, B.Fu, A.Gargano, H.Hess, R.Hirsch, N.Itaco, S.M.Lenzi, L.Lewandowski, J.Litzinger, C.Muller-Gatermann, M.Queiser, D.Rosiak, D.Schneiders, B.Siebeck, T.Steinbach, A.Vogt, K.Wolf, K.O.Zell

Enhanced collectivity along the N = Z line: Lifetime measurements in ⁴⁴Ti, ⁴⁸Cr, and ⁵²Fe

NUCLEAR REACTIONS Mg(²³Na, xnp)⁴⁴Ti, ⁴⁰Ca(¹⁰B, np)⁴⁸Cr, ²⁷Al(²⁸Si, 2np)⁵²Fe, E=62, 26, 86 MeV; measured reaction products, Eγ, Iγ. ⁴⁴Ti, ^48,50Cr, ⁵²Fe; deduced γ-ray energies, level T_1/2, B(E2). Recoil distance Doppler-shift method, comparison with available data.

doi: 10.1016/j.physletb.2017.07.032
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2017CA08 Phys.Rev. C 95, 034603 (2017)

D.Carbone, J.L.Ferreira, F.Cappuzzello, J.Lubian, C.Agodi, M.Cavallaro, A.Foti, A.Gargano, S.M.Lenzi, R.Linares, G.Santagati

Microscopic cluster model for the description of new experimental results on the ¹³C(¹⁸O, ¹⁶O)¹⁵C two-neutron transfer at 84 MeV incident energy

NUCLEAR REACTIONS ¹³C(¹⁸O, ¹⁶O)¹⁵C, E=84 MeV; measured particle spectra, σ(θ) using MAGNEX spectrometer at INFN-LNS laboratory in Catania. ¹⁵C; deduced levels, J, π. Comparison of cross sections with coupled reaction channel (CRC) calculations using Zuker-Buck-McGrory (ZBM) interaction and three models: extreme cluster model, independent coordinate model, and microscopic cluster model.

NUCLEAR STRUCTURE ^13,14,15C, ^16,17,18O; calculated levels, J, π using NUSHELLX code and Zuker-Buck-McGrory (ZBM) and ps-d-mod interactions, and compared with experimental values. ^13,14C, ^17,18O; calculated one-neutron transfer spectroscopic amplitudes used in the DWBA calculations with the ZBM interaction. ¹³C, ¹⁸O; calculated two-neutron transfer spectroscopic amplitudes used in CRC calculations with ZBM interaction.

doi: 10.1103/PhysRevC.95.034603
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2017CO03 Int.J.Mod.Phys. E26, 1740006 (2017)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Core polarization and modern realistic shell-model Hamiltonians

NUCLEAR STRUCTURE ⁶Li, ⁶He; calculated energy levels, J, π. Comparison with available data.

doi: 10.1142/S0218301317400067
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2017CO08 Phys.Rev. C 95, 064324 (2017)

L.Coraggio, L.De Angelis, T.Fukui, A.Gargano, N.Itaco

Calculation of Gamow-Teller and two-neutrino double-β decay properties for ¹³⁰Te and ¹³⁶Xe with a realistic nucleon-nucleon potential

RADIOACTIVITY ¹³⁰Te, ¹³⁶Xe(2β^-); calculated nuclear matrix elements (NMEs) and Gamow-Teller (GT) strengths for 2νββ decay. Comparison with experimental values.

NUCLEAR STRUCTURE ¹³⁰Te, ^130,136Xe, ¹³⁶Ba; calculated levels, J, π, B(E2) for yrast states up to 6+ using the shell model, and compared with experimental data.

doi: 10.1103/PhysRevC.95.064324
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2017GA19 Phys.Scr. 92, 094003 (2017)

A.Gargano, L.Coraggio, N.Itaco

Effectively-truncated large-scale shell-model calculations and nuclei around ¹⁰⁰Sn

doi: 10.1088/1402-4896/aa7d6d
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2017JU02 Phys.Lett. B 772, 483 (2017)

A.Jungclaus, H.Grawe, S.Nishimura, P.Doornenbal, G.Lorusso, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, Y.Shimizu, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, N.Itaco, F.G.Kondev, T.Kroll, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt

Observation of a γ decaying millisecond isomeric state in ¹²⁸Cd₈₀

NUCLEAR REACTIONS ⁹Be(²³⁸U, X)¹²⁸Cd, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ. ¹²⁹Cd, ¹²⁹In; deduced γ-ray energies, J, π, level T_1/2, B(E3). Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.07.006
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2017KO03 Phys.Rev. C 95, 014309 (2017)

T.Konstantinopoulos, P.Petkov, A.Goasduff, T.Arici, A.Astier, L.Atanasova, M.Axiotis, D.Bonatsos, P.Detistov, A.Dewald, M.J.Eller, V.Foteinou, A.Gargano, G.Georgiev, K.Gladnishki, A.Gottardo, S.Harissopulos, H.Hess, S.Kaim, D.Kocheva, A.Kusoglu, A.Lagoyannis, J.Ljungvall, R.Lutter, I.Matea, B.Melon, T.J.Mertzimekis, A.Nannini, C.M.Petrache, A.Petrovici, G.Provatas, P.Reiter, M.Rocchini, S.Roccia, M.Seidlitz, B.Siebeck, D.Suzuki, N.Warr, H.De Witte, T.Zerrouki

Lifetime measurements in ¹⁰⁰Ru

NUCLEAR REACTIONS ⁸⁸Sr(¹⁴C, 2n), E=40, 46 MeV; measured Eγ, half-lives of 2+, 4+, 6+ and 8+ yrast levels by recoil-distance Doppler shift (RDDS) and Doppler-shift attenuation method (DSAM) using ORGAM array and eight detectors from Miniball array at 15 MV Tandem accelerator of the ALTO laboratory in Orsay. ¹⁰⁰Ru; deduced levels, B(E2), not the best candidate for E(5) symmetry. Comparison with excited Vampir, shell-model calculations, and theoretical E(5) level scheme.

doi: 10.1103/PhysRevC.95.014309
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2017MA03 Phys.Rev. C 95, 014313 (2017)

H.Mach, A.Korgul, M.Gorska, H.Grawe, I.Matea, M.Stanoiu, L.M.Fraile, Yu.E.Penionzkevich, F.De Oliveira-Santos, D.Verney, S.Lukyanov, B.Cederwall, A.Covello, Z.Dlouhy, B.Fogelberg, G.De France, A.Gargano, G.Georgiev, R.Grzywacz, A.F.Lisetskiy, J.Mrazek, F.Nowacki, W.A.Plociennik, Zs.Podolyak, S.Ray, E.Ruchowska, M.-G.Saint-Laurent, M.Sawicka, Ch.Stodel, O.Tarasov

Ultrafast-timing lifetime measurements in ⁹⁴Ru and ⁹⁶Pd: Breakdown of the seniority scheme in N=50 isotones

NUCLEAR REACTIONS ⁹Be(¹¹²Sn, X), E=64 MeV/nucleon; measured reaction products using LISE3 spectrometer at GANIL, Eγ, level half-lives for the first 2+, 4+ and 6+ states by γγ(t) using fast timing technique with Ge and BaF₂ detector combinations. ⁹⁴Ru, ⁹⁶Pd; deduced levels, B(E2). Comparison with large-scale shell-model calculations using different interactions. Systematics of B(E2) values in ⁹²Mo, ⁹⁴Ru, ⁹⁵Rh, ⁹⁶Pd and ⁹⁸Cd.

doi: 10.1103/PhysRevC.95.014313
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2017PA38 Phys.Rev. C 96, 044612 (2017)

B.Paes, G.Santagati, R.Magana Vsevolodovna, F.Cappuzzello, D.Carbone, E.N.Cardozo, M.Cavallaro, H.Garcia-Tecocoatzi, A.Gargano, J.L.Ferreira, S.M.Lenzi, R.Linares, E.Santopinto, A.Vitturi, J.Lubian

Long-range versus short-range correlations in the two-neutron transfer reaction ⁶⁴Ni (¹⁸O, ¹⁶O) ⁶⁶Ni

NUCLEAR REACTIONS ⁶⁴Ni(¹⁸O, ¹⁶O)⁶⁶Ni, E=84 MeV; measured reaction products, ¹⁶O spectra, σ(θ) for g.s. and first 2+ state in ⁶⁶Ni using MAGNEX spectrometer at INFN-LNS-Catania. ⁶⁶Ni; deduced levels, J, π, configurations, two-neutron spectroscopic amplitudes, σ(θ) data analyzed using three methods: the extreme cluster model, independent coordinate, and two-step DWBA model; calculated cross sections by exact finite range coupled-channel Born approximation (CCBA) and coupled reaction channel (CRC) methods using Sao Paulo double folding potential (SPP) and FRESCO code.

NUCLEAR STRUCTURE ⁶⁶Ni; calculated spectroscopic amplitudes for one- and two-neutron transfer to the first and second 0+ and 2+ states using NUSHELLX code and the model space bjuff with an effective phenomenological interaction and ⁴⁸Ca as an inert core, and also using the microscopic IBM-2 method. ⁶⁵Ni; calculated spectroscopic amplitudes for one-neutron transfer to the first and second 5/2-, 1/2-, 3/2- states and first 9/2+ using NUSHELLX code, and also using the microscopic IBM-2 method. ^64,66Ni; calculated low-lying positive-parity 0+, 2+ and 4+ levels, and compared with experimental values. ⁶⁵Ni; calculated low-lying negative-parity levels, and compared with experimental values.

doi: 10.1103/PhysRevC.96.044612
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2017SP02 Phys.Rev. C 95, 021302 (2017)

P.Spagnoletti, G.S.Simpson, R.Carroll, J.-M.Regis, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, C.Larijani, S.Lalkovski, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, N.Saed-Samii, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, A.Gargano, P.Van Isacker

Half-life of the 15/2⁺ state of ¹³⁵I A test of E2 seniority relations

NUCLEAR REACTIONS ²³⁵U(n, F)¹³⁵I, E=cold neutrons at PF1B facility and high-flux reactor of the ILL-Grenoble; measured prompt Eγ, Iγ, half-life of (15/2+) state in ¹³⁵I by γγ(t) using EXILL-FATIMA γ-detector array of Clover Ge and LaBr₃ detectors. ¹³⁵I; deduced levels, B(E2), configuration, E2 seniority relations between B(E2) values in neighboring nuclei.

NUCLEAR STRUCTURE ¹³⁴Te, ¹³⁵I; calculated levels, J, π, B(E2) by large-scale shell-model calculations; deduced large two-body component of the E2 operator, whereas small energy shifts due to the three-body component of the effective interaction.

doi: 10.1103/PhysRevC.95.021302
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2017VA09 Phys.Rev.Lett. 118, 202502 (2017)

V.Vaquero, A.Jungclaus, P.Doornenbal, K.Wimmer, A.Gargano, J.A.Tostevin, S.Chen, E.Nacher, E.Sahin, Y.Shiga, D.Steppenbeck, R.Taniuchi, Z.Y.Xu, T.Ando, H.Baba, F.L.Bello Garrote, S.Franchoo, K.Hadynska-Klek, A.Kusoglu, J.Liu, T.Lokotko, S.Momiyama, T.Motobayashi, S.Nagamine, N.Nakatsuka, M.Niikura, R.Orlandi, T.Saito, H.Sakurai, P.A.Soderstrom, G.M.Tveten, Zs.Vajta, M.Yalcinkaya

Gamma Decay of Unbound Neutron-Hole States in ¹³³Sn

NUCLEAR REACTIONS C(¹³⁴Sn, X)¹³³Sn, E=165 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced neutron removal σ, energy levels, J, π.

doi: 10.1103/PhysRevLett.118.202502
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2016CO10 Phys.Rev. C 93, 064328 (2016)

L.Coraggio, A.Gargano, N.Itaco

Double-step truncation procedure for large-scale shell-model calculations

NUCLEAR STRUCTURE ^{90,92,94,96,98}Zr, ^{92,94,96,98,100}Mo, ^{94,96,98,100,102}Ru, ^{96,98,100,102,104}Pd, ^{98,100,102,104,106}Cd, ^{100,102,104,106,108}Sn; calculated energies and B(E2) for first 2+ states, effective single-particle energies (ESPEs). Large-scale shell-model calculations. Investigated dependence of shell-model results on different truncation schemes of the original model space. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.064328
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2016ER04 Phys.Rev. C 94, 024610 (2016)

M.J.Ermamatov, F.Cappuzzello, J.Lubian, M.Cubero, C.Agodi, D.Carbone, M.Cavallaro, J.L.Ferreira, A.Foti, V.N.Garcia, A.Gargano, J.A.Lay, S.M.Lenzi, R.Linares, G.Santagati, A.Vitturi

Two-neutron transfer analysis of the ¹⁶O(¹⁸O, ¹⁶O) ¹⁸O reaction

NUCLEAR REACTIONS ¹⁶O(¹⁸O, ¹⁸O), (¹⁸O, ¹⁶O), E=84 MeV; measured ¹⁸O spectra, σ(θ) for elastic and 2n-transfer to the g.s. and first 2+ state of ¹⁸O using the MAGNEX spectrometer at INFN-LNS-Catania. ¹⁸O; deduced levels, J, π; analyzed one- and two-step processes with finite range coupled reaction channel and second order distorted wave Born approximation, and deduced dominance of one-step transfer mechanism; calculated spectroscopic amplitudes for 1n-, and 2n-transfer channels. Comparison of experimental σ(θ) data with DWBA calculations.

doi: 10.1103/PhysRevC.94.024610
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2016JU02 Phys.Rev. C 93, 041301 (2016)

A.Jungclaus, A.Gargano, H.Grawe, J.Taprogge, S.Nishimura, P.Doornenbal, G.Lorusso, Y.Shimizu, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, S.Bonig, L.Coraggio, J.-M.Daugas, F.Drouet, A.Gadea, S.Ilieva, N.Itaco, T.Kroll, A.Montaner-Piza, K.Moschner, D.Mucher, H.Nishibata, A.Odahara, R.Orlandi, A.Wendt

First observation of γ rays emitted from excited states south-east of ¹³²Sn: The π g^-1_9/2 (X) νf_7/2 multiplet of ¹³²In₈₃

RADIOACTIVITY ¹³³Cd(β^-), (β^-n)[from ⁹Be(²³⁸U, F), E=345 MeV/nucleon using BigRIPS fragment separator and ZeroDegree spectrometer at RIBF-RIKEN facility]; measured Eγ, Iγ, (¹³³Cd ions)γ-coin using WAS3ABi detection system of DSSSDs for β rays and ions, and 12 large-volume Ge cluster detectors for gamma rays. ¹³²In; deduced levels, J, π. Shell-model calculations.

NUCLEAR REACTIONS ⁹Be(²³⁸U, F)¹²⁹Cd⁴⁷⁺/¹³⁰Cd⁴⁷⁺/¹³²Cd⁴⁸⁺/¹³³Cd⁴⁸⁺, E=345 MeV/nucleon; measured partial particle identification plot of Z=45-51 isotopes and mass-to-charge ratio A/q using BigRIPS fragment separator and ZeroDegree spectrometer at RIBF-RIKEN facility.

doi: 10.1103/PhysRevC.93.041301
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2016JU03 Phys.Rev. C 94, 024303 (2016)

β decay of semi-magic ¹³⁰Cd: Revision and extension of the level scheme of ¹³⁰In

RADIOACTIVITY ¹³⁰Cd(β^-)[from ⁹Be(²³⁸U, F), E=345 MeV/nucleon, using BigRIPS separator and ZeroDegree spectrometer (ZDS) at RIBF-RIKEN facility]; Measured Eγ, Iγ, γγ-, βγ-coin, isomer half-life by γγ(t) using WAS3ABi array for β and ion detection, and EURICA array of 12 large-volume HPGe clusters for γ detection. ¹³⁰In; deduced levels, J, π, β feedings, logft, high-lying core-excited states, configurations. Comparison with previous experimental results, ENSDF evaluation, and shell-model calculations.

doi: 10.1103/PhysRevC.94.024303
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2016RE15 Phys.Rev. C 94, 034309 (2016)

W.Reviol, D.G.Sarantites, J.M.Elson, J.E.Kinnison, A.Gargano, S.Bottoni, R.V.F.Janssens, J.M.Allmond, A.D.Ayangeakaa, M.P.Carpenter, H.M.David, A.Galindo-Uribarri, N.Itaco, T.Lauritsen, E.Padilla-Rodal, S.Zhu

One-neutron transfer study of ¹³⁷Xe and systematics of 13/2⁺₁ and 13/2⁺₂ levels in N=83 nuclei

NUCLEAR REACTIONS ¹³C(¹³⁶Xe, ¹²C)¹³⁷Xe, ⁹Be(¹³⁶Xe, ⁸Be)¹³⁷Xe, E=560 MeV; measured particle spectra, Eγ, Iγ, γ(θ), (particle)γ-, (particle)γγ-coin using Phoswich Wall and Digital Gammasphere arrays at ATLAS-ANL facility. ¹³⁷Xe; deduced levels, J, π, multipolarity, relative yields. One-neutron transfer reactions. Comparison with systematics of first and second 13/2+ states in N=83 isotones, and with shell-model calculations. ^135,137Xe, ¹³⁷Cs, ^139,140Ba, ¹⁴²Ce; observed γ rays from contaminants.

doi: 10.1103/PhysRevC.94.034309
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2016TA22 Eur.Phys.J. A 52, 347 (2016), Erratum Eur.Phys.J. A 52, 375 (2016)

J.Taprogge, A.Jungclaus, H.Grawe, I.N.Borzov, S.Nishimura, P.Doornenbal, G.Lorusso, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, Y.Shimizu, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, N.Itaco, F.G.Kondev, T.Kroll, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt

Proton-hole and core-excited states in the semi-magic nucleus ¹³¹In₈₂

RADIOACTIVITY ¹³¹Cd(β^-)[from ²³⁸U on ⁹Be at 345 MeV/nucleon]; measured Eγ, Iγ using EURICA array (84 Ge crystals around Si detectors), β-decay using WAS3ABi detector (8 DSSD's of 40x60 strips each), βγ-coin, other reaction products; deduced γ spectrum in prompt coincidence with first β decay, γ transitions, relative intensities, ¹³¹In level scheme, β feeding intensities (for transitions to excited states in ¹³¹In), excitation energies of several core-excited configurations; calculated log ft, β decay strength for GT allowed and first-forbidden β decay branches, excitation energies of core-excited configurations using shell model and QRPA.

doi: 10.1140/epja/i2016-16347-y
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2015BE32 Phys.Lett. B 751, 107 (2015)

G.Benzoni, A.I.Morales, H.Watanabe, S.Nishimura, L.Coraggio, N.Itaco, A.Gargano, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, F.Camera, S.Ceruti, F.C.L.Crespi, G.de Angelis, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kuti, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoybjor

Decay properties of ^{68, 69, 70}Mn: Probing collectivity up to N = 44 in Fe isotopic chain

RADIOACTIVITY ^68,69,70Mn(β^-), (β^-n) [from Be(²³⁸U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced γ-ray energies, T_1/2, β-delayed neutron emission probabilities. Comparison with FRDM + QRPA and KTUY + GT2 calculations.

doi: 10.1016/j.physletb.2015.10.025
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2015CO06 Phys.Rev. C 91, 041301 (2015)

L.Coraggio, A.Covello, A.Gargano, N.Itaco, T.T.S.Kuo

Shell-model study of quadrupole collectivity in light tin isotopes

NUCLEAR STRUCTURE ^{100,102,104,106,108,110}Sn; calculated two-body matrix elements, single-particle energies, and effective charges for electric quadrupole transition operators, energies and B(E2) of first 2+ states, proton occupation numbers for ground and first 2+ states, levels, J and π for ¹⁰²Sn. Z=38, 40, 42, 44, 46, 48, 50; calculated neutron and proton effective single-particle energies as function of atomic number. Shell-model calculations using realistic NN potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.041301
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2015KA06 Phys.Rev. C 91, 024318 (2015)

S.Kaim, C.M.Petrache, A.Gargano, N.Itaco, T.Zerrouki, R.Leguillon, A.Astier, I.Deloncle, T.Konstantinopoulos, J.M.Regis, D.Wilmsen, B.Melon, A.Nannini, C.Ducoin, D.Guinet, T.Bhattacharjee

High-spin spectroscopy of ¹³⁹Ce

NUCLEAR REACTIONS ¹³⁰Te(¹⁴C, 5n), E=82 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(anisotropy ratio) using ORGAM array at IPN-Orsay tandem accelerator facility. ¹³⁹Ce; deduced high-spin levels, J, π, multipolarity, magnetic-dipole rotational band, configuration, B(M1)/B(E2). Comparison with Tilted-axis (TAC) and cranked Nilsson Strutinsky (CNS) calculations. ^139,140Ce; calculated levels, J, π using shell model with OSLO code; comparison with experimental data.

doi: 10.1103/PhysRevC.91.024318
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2015TA13 Phys.Rev. C 91, 054324 (2015)

J.Taprogge, A.Jungclaus, H.Grawe, S.Nishimura, P.Doornenbal, G.Lorusso, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, Z.Y.Xu, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, A.Covello, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, F.G.Kondev, T.Kroll, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt

β decay of ¹²⁹Cd and excited states in ¹²⁹In

RADIOACTIVITY ^129,129mCd(β^-)[from ⁹Be(²³⁸U, F), E=345 MeV/nucleon using BigRIPS at RIBF-RIKEN]; measured Eγ, Iγ, Eβ, γγ-, βγ-coin, half-lives of ground and isomer states using WAS3ABi setup and EURICA array of HPGe detectors at RIKEN. ¹²⁹In; deduced levels, J, π, energy of β decaying 1/2- isomer, Iβ, logft, B(GT) strengths, configuration. Comparison of level energies, J, π with shell-model calculations.

doi: 10.1103/PhysRevC.91.054324
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2014BA44 Phys.Rev. C 90, 044322 (2014)

B.F.Bayman, A.Covello, A.Gargano, P.Guazzoni, L.Zetta

Two-neutron transfer in Sn isotopes beyond the N=82 shell closure

NUCLEAR REACTIONS ¹³⁶Sn(p, t), ¹³⁴Sn(t, p), E=20 MeV; ¹²⁴Sn(p, t), E=25 MeV; calculated differential σ(θ) and spectroscopic amplitudes for 0+ and yrast states. Microscopic distorted-wave Born approximation. Comparison with experimental results for ¹²⁴Sn(p, t).

NUCLEAR STRUCTURE ^134,136Sn; calculated levels, J, π using shell model employing realistic two-body effective interaction from CD-Bonn nucleon-nucleon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.044322
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2014BO11 Acta Phys.Pol. B45, 411 (2014)

M.Bondi, F.Cappuzzello, C.Agodi, D.Carbone, M.Cavallaro, A.Cunsolo, M.De Napoli, A.Foti, V.N.Garcia, A.Gargano, S.M.Lenzi, R.Linares, J.Lubian, D.Nicolosi, B.Paes, S.Tropea

Natural Parity States Excited via (¹⁸O, ¹⁶O) Two-neutron Transfer Reaction

NUCLEAR REACTIONS ¹²C(¹⁸O, ¹⁶O), ¹³C(¹⁸O, ¹⁷O), E=84 MeV; measured reaction products; deduced σ(θ). Comparison with FRESCO calculations.

doi: 10.5506/APhysPolB.45.411
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2014CO04 Phys.Rev. C 89, 024319 (2014)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Realistic shell-model calculations for isotopic chains "north-east" of ⁴⁸Ca in the (N, Z) plane

NUCLEAR STRUCTURE ^{50,52,54,56,58,60,62,64,66,68,70,72}Ca, ^{50,52,54,56,58,60,62}Ti, ^{52,54,56,58,60,62,64}Cr, ^{54,56,58,60,62,64,66}Fe, ^{56,58,60,62,64,66,68,70,72,74,76,78}Ni; calculated energies and B(E2) values of first 2+ states using realistic shell-model calculations with two different model spaces. Discussed role of 1d_5/2 neutron orbital on yrast quadrupole excitations. Comparison with experimental data taken from ENSDF and XUNDL databases.

doi: 10.1103/PhysRevC.89.024319
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2014CO13 Nucl.Phys. A928, 43 (2014)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

From Kuo-Brown to today's realistic shell-model calculations

NUCLEAR STRUCTURE ¹⁸O, ¹⁸F; calculated levels, J, π. ¹⁷O; calculated energy spacings. Nuclear shell model with effective interaction from Hamada-Johnston NN potential. Compared with earlier calculations and data.

doi: 10.1016/j.nuclphysa.2014.03.018
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2014MA85 Phys.Rev.Lett. 113, 182501 (2014)

T.Marchi, G.de Angelis, J.J.Valiente-Dobon, V.M.Bader, T.Baugher, D.Bazin, J.Berryman, A.Bonaccorso, R.Clark, L.Coraggio, H.L.Crawford, M.Doncel, E.Farnea, A.Gade, A.Gadea, A.Gargano, T.Glasmacher, A.Gottardo, F.Gramegna, N.Itaco, P.R.John, R.Kumar, S.M.Lenzi, S.Lunardi, S.McDaniel, C.Michelagnoli, D.Mengoni, V.Modamio, D.R.Napoli, B.Quintana, A.Ratkiewicz, F.Recchia, E.Sahin, R.Stroberg, D.Weisshaar, K.Wimmer, R.Winkler

Quadrupole Transition Strength in the ⁷⁴Ni Nucleus and Core Polarization Effects in the Neutron-Rich Ni Isotopes

NUCLEAR REACTIONS ¹⁹⁷Au(⁷⁴Ni, ⁷⁴Ni'), E=95.8 MeV/nucleon; measured reaction products, Eγ, Iγ. ⁷⁴Ni; deduced energy levels, B(E2). Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.113.182501
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2014TA07 Phys.Rev.Lett. 112, 132501 (2014)

1p_3/2 Proton-Hole State in ¹³²Sn and the Shell Structure Along N= 82

RADIOACTIVITY ¹³²Cd(β^-n) [from Be(²³⁸U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced energy levels, J, π. Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.112.132501
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2014TA29 Phys.Lett. B 738, 223 (2014)

J.Taprogge, A.Jungclaus, H.Grawe, S.Nishimura, Z.Y.Xu, P.Doornenbal, G.Lorusso, E.Nacher, G.S.Simpson, P.-A.Soderstrom, T.Sumikama, H.Baba, F.Browne, N.Fukuda, R.Gernhauser, G.Gey, N.Inabe, T.Isobe, H.S.Jung, D.Kameda, G.D.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, Z.Li, H.Sakurai, H.Schaffner, K.Steiger, H.Suzuki, H.Takeda, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, G.Benzoni, S.Bonig, K.Y.Chae, L.Coraggio, A.Covello, J.-M.Daugas, F.Drouet, A.Gadea, A.Gargano, S.Ilieva, F.G.Kondev, G.J.Lane, A.Montaner-Piza, K.Moschner, D.Mucher, F.Naqvi, M.Niikura, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, Zs.Podolyak, A.Wendt

Identification of a millisecond isomeric state in ¹²⁹Cd₈₁ via the detection of internal conversion and Compton electrons

NUCLEAR REACTIONS Be(²³⁸U, X)¹²⁹Cd, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced ICC and γ-ray yields, energy levels, J, π, isomeric state T_1/2, B(E3). Comparison with shell model calculations.

doi: 10.1016/j.physletb.2014.09.047
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2013CA25 Phys.Rev. C 88, 054601 (2013)

M.Cavallaro, F.Cappuzzello, M.Bondi, D.Carbone, V.N.Garcia, A.Gargano, S.M.Lenzi, J.Lubian, C.Agodi, F.Azaiez, M.De Napoli, A.Foti, S.Franchoo, R.Linares, D.Nicolosi, M.Niikura, J.A.Scarpaci, S.Tropea

Quantitative analysis of two-neutron correlations in the ¹²C(¹⁸O, ¹⁶O)¹⁴C reaction

NUCLEAR REACTIONS ¹²C(¹⁸O, ¹⁶O), (¹⁸O, ¹⁷O), ¹³C(¹⁸O, ¹⁷O), E=84 MeV; measured mass distributions and ejectile energy spectra, σ(θ) at INFN facility in Catania. ^13,14C; deduced levels, J, π, L-transfers, spectroscopic factors for two-neutron pair states, pair configurations, cluster configurations in ¹⁴C. Comparison with exact finite range DWBA and coupled reaction channel (CRC) calculations.

doi: 10.1103/PhysRevC.88.054601
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2013CO03 Phys.Rev. C 87, 021301 (2013)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Shell-model study of single-neutron strength fragmentation in ¹³⁷Xe

NUCLEAR REACTIONS ¹³⁶Xe(d, p), E not given; calculated spectroscopic factors using Shell-model. Comparison with experimental data.

NUCLEAR STRUCTURE ¹³⁷Xe; calculated levels, J, π, spectroscopic factors. Shell-model calculations using CD-Bonn NN potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.021301
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2013CO06 Phys.Rev. C 87, 034309 (2013)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Evolution of single-particle states beyond ¹³²Sn

NUCLEAR STRUCTURE ¹³³Sn, ¹³⁵Te, ¹³⁷Xe, ^133,135,137Sb; calculated levels, J, π, spectroscopic factors, single-particle energies, summed single-proton strengths, effective single-particle energies (ESPE). Shell-model calculations using a realistic two-body effective interaction based on CD-Bonn nucleon-nucleon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.034309
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2013CO22 Phys.Rev. C 88, 041304 (2013)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Behavior of odd-even mass staggering around ¹³²Sn

NUCLEAR STRUCTURE ^134,135Sn, ^134,135,136Sb, ^{134,135,136,137}Te, ^136,137,138Xe; calculated binding energies. ^131,133Sn, ^133,135Te, ^135,137Xe; calculated odd-even staggering around N=82. Shell model calculations with realistic low-momentum two-body effective interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.041304
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2012CO07 Phys.Rev. C 85, 034335 (2012)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

g_9/2 nuclei and neutron-proton interaction

NUCLEAR STRUCTURE ⁹⁰Nb, ⁹⁸In; calculated proton-neutron multiplets, proton-proton, neutron-neutron, and proton-neutron matrix elements. ⁹²Pd, ^96,98Cd, ⁹⁷Ag, ⁹⁶Pd; calculated yrast levels, J, π, yrast state overlap, isoscalar and isovector pair contribution to the energy level spacings. Shell model calculations using two-body effective interaction from the CD-Bonn potential. Role of isoscalar spin-aligned coupling. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.034335
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2012DA18 J.Phys.:Conf.Ser. 366, 012008 (2012)

M.Danchev, G.Rainovski, N.Pietralla, A.Gargano, A.Covello, C.Baktash, J.R.Beene, C.R.Bingham, A.Galindo-Uribarri, K.A.Gladnishki, C.J.Gross, V.Yu.Ponomarev, D.C.Radford, L.L.Riedinger, M.Scheck, A.E.Stuchbery, J.Wambach, C.-H.Yu, N.V.Zamfir

One-phonon isovector 2⁺_{1, MS} state in the neutron rich nucleus ¹³²Te

NUCLEAR REACTIONS ¹²C(¹³²Te, ¹³²Te'), E=3 MeV/nucleon; measured thick target Coulomb excitation Eγ, Iγ, γγ-coin using CLARION array, ¹²C ions using HyBall, (¹²C)γ-coin; deduced Doppler corrected γ ray spectrum, σ to discrete states, B(E2), B(M1), μ for discrete transitions; calculated B(E2), B(M1), μ using shell model and one-phonon MSS (Mixed-Symmetry State); deduced 2⁺₂ as one-phonon MSS.

doi: 10.1088/1742-6596/366/1/012008
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2012GU10 Phys.Rev. C 85, 054609 (2012)

P.Guazzoni, L.Zetta, A.Covello, A.Gargano, B.F.Bayman, G.Graw, R.Hertenberger, H.-F.Wirth, T.Faestermann, M.Jaskola

High resolution spectroscopy of ¹¹²Sn through the ¹¹⁴Sn(p, t)¹¹²Sn reaction

NUCLEAR REACTIONS ¹¹⁴Sn(p, t), E=22 MeV; measured triton spectra, differential σ(θ). ¹¹²Sn; deduced levels, J, π, finite-range cluster DWBA analysis in a truncated seniority space. Munich Q3D spectrograph. Comparison with shell model calculations using a realistic two-body effective interaction.

doi: 10.1103/PhysRevC.85.054609
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2012RA32 J.Phys.:Conf.Ser. 381, 012047 (2012)

G.Rainovski, M.Danchev, N.Pietralla, A.Gargano, A.Covello, C.Baktash, J.R.Beene, C.R.Bingham, A.Galindo-Uribarri, K.A.Gladnishki, C.J.Gross, V.Yu.Ponomarev, D.C.Radford, L.L.Riedinger, M.Scheck, A.E.Stuchbery, J.Wambach, C.-H.Yu, N.V.Zamfir

On the origin of low-lying M1 strength in even-even nuclei

NUCLEAR REACTIONS ¹²C(¹³²Te, ¹³²Te'), E=3 MeV/nucleon; measured thick target Coulomb excitation Eγ, Iγ using CLARION array, scattered ions using HyBall array; deduced B(E2), B(M1); calculated ¹³²Te low-lying levels, J, π.

doi: 10.1088/1742-6596/381/1/012047
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2011CO18 J.Phys.:Conf.Ser. 312, 092021 (2011)

L.Coraggio, A.Covello, A.Gargano, N.Itaco, T.T.S.Kuo

Fully microscopic shell-model calculations with realistic effective hamiltonians

NUCLEAR STRUCTURE ^{16,18,20,22,24}C, ^{18,20,22,24,26,28}O, ^{42,44,46,48,50,52,54,56}Ca; calculated binding energy, mass excess, yrast 2⁺ state energy. ^{42,44,46,48,50,52,54,56}Ti; calculated yrast 2⁺ state energy, B(E2). ¹³⁴Sn, ¹³⁶Te, ¹³⁸Xe, ¹⁴⁰Ba, ¹⁴²Ce, ¹⁴⁴Nd, ¹⁴⁶Sm, ¹⁴⁸Gd, ¹⁵⁰Dy, ¹⁵²Er, ¹⁵⁴Yb; calculated ground state energy, mass excess. ¹³⁴Te; calculated levels, J, π. Realistic shell model within fully microscopic approach; compared with available data.

doi: 10.1088/1742-6596/312/9/092021
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2011DA21 Phys.Rev. C 84, 061306 (2011)

One-phonon isovector 2⁺_{1, MS} state in the neutron-rich nucleus ¹³²Te

NUCLEAR REACTIONS ¹²C(¹³²Te, ¹³²Te'), E=3 MeV/nucleon; measured Eγ, Iγ, (¹²C recoils)γ-coin using CLARION array and HyBall. ¹³²Te; deduced levels, one-phonon mixed-symmetry state (MSS) B(E2), B(M1) values for first 2+ states. Coulomb excitation. Comparison with previous measurements and shell-model calculations. ^132,134,136Te; reanalyzed B(E2) values for first 2+ states from an earlier experiment in 2002.

NUCLEAR MOMENTS ¹³²Te; reanalyzed g factor from an earlier experiment in 2005.

NUCLEAR STRUCTURE ¹³²Te; calculated levels, J, π, B(E2) using shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.061306
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2011GU08 Phys.Rev. C 83, 044614 (2011)

P.Guazzoni, L.Zetta, A.Covello, A.Gargano, B.F.Bayman, T.Faestermann, G.Graw, R.Hertenberger, H.-F.Wirth, M.Jaskola

High-resolution measurement of the ^{118, 124}Sn(p, t)^{116, 122}Sn reactions: Shell-model and microscopic distorted-wave Born approximation calculations

NUCLEAR REACTIONS ¹¹⁸Sn(p, t), E=24.6 MeV; ¹²⁴Sn(p, t), E=25 MeV; measured E(t), I(t), σ, σ(θ). ^116,122Sn; deduced levels, J, π, L-transfers. Finite range cluster DWBA analysis. Comparison with shell-model predictions. Evaluation of two-nucleon spectroscopic amplitudes in a truncated seniority space for a microscopic DWBA analysis.

doi: 10.1103/PhysRevC.83.044614
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2011SI32 J.Phys.:Conf.Ser. 267, 012031 (2011)

G.S.Simpson, A.Scherillo, J.Genevey, R.Orlandi, J.A.Pinston, I.S.Tsekhanovich, N.Warr, A.Covello, A.Gargano

19/2⁺ isomer of ¹²⁵Cd and realistic shell-model calculations of neutron-rich Cd isotopes

NUCLEAR REACTIONS ²³⁹Pu(n, F)¹²⁵Cd, E thermal; measured decay products, TOF, Eγ, Iγ; deduced T_1/2 for isomeric state in ¹²⁵Cd. Comparison with available data.

NUCLEAR STRUCTURE ^{125,127,128,130}Cd; calculated level scheme, J, π, B(Eλ). Comparison with experimental data.

doi: 10.1088/1742-6596/267/1/012031
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2010CO05 Phys.Rev. C 81, 064303 (2010)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Shell-model calculations for neutron-rich carbon isotopes with a chiral nucleon-nucleon potential

NUCLEAR STRUCTURE ^16,18,20,22C; calculated level energies, B(E2), M1 transition matrix elements, two-body matrix elements, location of the neutron drip line. ^17,19C; calculated low-energy levels. Shell model with a realistic effective Hamiltonian derived from the chiral N³LOW nucleon-nucleon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.064303
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2010CO17 J.Phys.:Conf.Ser. 205, 012004 (2010)

A.Covello, L.Coraggio, A.Gargano, N.Itaco

Realistic low-momentum effective interactions and nuclear structure near double closed shells

NUCLEAR STRUCTURE ¹³⁶Sn, ^134,136Sb, ¹³⁶I, ²¹²Pb, ^210,212Bi, ²¹²At; calculated low-lying levels, J, π using shell model with realistic low-momentum effective interactions derived from CD-Bonn potential. Compared with data.

doi: 10.1088/1742-6596/205/1/012004
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2010LI03 Phys.Rev. C 81, 014316 (2010)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, N.J.Stone, A.V.Daniel, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma

g-factor and spin-parity assignments of excited states in the N=83 isotones ¹³⁵Te, ¹³⁶I, ¹³⁷Xe, and ¹³⁸Cs

RADIOACTIVITY ²⁵²Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. ¹³⁵Te, ¹³⁶I, ¹³⁷Xe, ¹³⁸Cs; deduced levels, J, π. Comparison with shell model calculations.

NUCLEAR MOMENTS ¹³⁷Xe; measured g factor of a 15/2- state using integral perturbed angular correlation (IPAC) technique.

doi: 10.1103/PhysRevC.81.014316
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2010LI24 Nucl.Phys. A834, 78c (2010)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma

High spin structure of the neutron-rich ^{139, 142}Cs nuclei

RADIOACTIVITY ²⁵²Cf(SF); measured Eγ, Iγ(θ), γγ-coin. ^139,142Cs; deduced high-spin states, levels, J, π, bands, ICC, δ. ¹³⁹Cs calculated levels, J, π, δ using shell model.

doi: 10.1016/j.nuclphysa.2010.01.023
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2009CO04 Acta Phys.Pol. B40, 401 (2009)

A.Covello, L.Coraggio, A.Gargano, N.Itaco

Two-Valence-Particle Nuclei in the ¹³²Sn and ²⁰⁸Pb Regions

NUCLEAR STRUCTURE ¹³⁴Sn, ¹³⁴Te, ¹³⁴Sb; calculated energies, Jπ. shell model.

2009CO15 Phys.Rev. C 80, 021305 (2009)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Similarity of nuclear structure in the ¹³²Sn and ²⁰⁸Pb regions: Proton-neutron multiplets

NUCLEAR STRUCTURE ¹³²Sn, ¹³⁶I, ^134,136Sb, ²⁰⁸Pb, ^210,212Bi, ²¹²At; calculated energies of proton-neutron multiplets and diagonal matrix elements for proton-neutron configurations using large-scale shell model calculations and interactions derived from CD-Bonn nucleon-nucleon potentials. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.021305
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2009CO19 Phys.Rev. C 80, 044311 (2009)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Spectroscopic study of neutron-rich calcium isotopes with a realistic shell-model interaction

NUCLEAR STRUCTURE ^{49,50,51,52,53,54,55}Ca, ⁵⁶Ca; calculated levels, J, π, and neutron-neutron two-body matrix elements using shell-model with a realistic effective interaction from the CD-Bonn nucleon-nucleon potential. ^{42,44,46,48,50,52,54,56}Ca; calculated ground-state energies per valence neutron and effective single-particle energies. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.044311
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2009CO20 Phys.Rev. C 80, 044320 (2009)

L.Coraggio, A.Covello, A.Gargano, N.Itaco, T.T.S.Kuo

Shell-model study of the N = 82 isotonic chain with a realistic effective Hamiltonian

NUCLEAR STRUCTURE ¹³³Sb, ¹³⁴Te, ¹³⁵I, ¹³⁶Xe, ¹³⁷Cs, ¹³⁸Ba, ¹³⁹La, ¹⁴⁰Ce, ¹⁴¹Pr, ¹⁴²Nd, ¹⁴³Pm, ¹⁴⁴Sm, ¹⁴⁵Eu, ¹⁴⁶Gd, ¹⁴⁷Tb, ¹⁴⁸Dy, ¹⁴⁹Ho, ¹⁵⁰Er, ¹⁵²Yb, ¹⁵⁴Hf; calculated single-particle energies, levels, J, π and B(E2) of N=82 nuclei using shell-model within the framework of time-dependent degenerate perturbation theory. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.044320
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2009CO23 Phys.Rev. C 80, 061303 (2009)

L.Coraggio, A.Covello, A.Gargano, N.Itaco

Shell-model interpretation of high-spin states in ¹³⁴I

NUCLEAR STRUCTURE ¹³⁴I; calculated levels, J, π using shell-model and CD-Bonn nucleon-nucleon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.061303
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2009LI42 Phys.Rev. C 80, 044314 (2009)

S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma

High spin structure of the neutron-rich nuclei ¹³⁷I and ¹³⁹Cs

RADIOACTIVITY ²⁵²Cf(SF); measured Eγ, Iγ, γγ-coin, and γγ(θ) using Gammasphere array. ¹³⁷I, ¹³⁹Cs; deduced levels, J, π, bands, multipolarities and mixing ratios. ^108,109,110Tc, ^111,113Rh; measured Eγ, γγ-coin. Comparison with shell-model calculations. A=133-141(odd), Z=55; N=84, Sb, I, Cs, La; A=132-140(even), Z=52, 54, 56; systematics of low-lying states.

doi: 10.1103/PhysRevC.80.044314
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2009ZH11 Phys.Rev. C 79, 044316 (2009)

Y.H.Zhang, M.Hasegawa, W.T.Guo, M.L.Liu, X.H.Zhou, G.de Angelis, T.M.Axiotis, A.Gadea, N.Marginean, Martinez, D.R.Napoli, C.Rusu, Zs.Podolyak, C.Ur, D.Bazzacco, F.Brandolini, S.Lunardi, S.M.Lenzi, R.Menegazzo, R.Schwengner, A.Gargano, W.von Oertzen, S.Tazaki

High-spin level structure in ^{94, 95}Mo

NUCLEAR REACTIONS ¹⁶O(⁸²Se, 4n), (⁸²Se, 3n), E=460 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. ^94,95Mo; deduced levels, J, π, configurations. Comparisons with shell-model calculations. ⁹⁰Sr, ⁹²Mo; level systematics.

doi: 10.1103/PhysRevC.79.044316
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2008CO08 Nucl.Phys. A805, 424c (2008)

L.Coraggio, A.Covello, A.Gargano, N.Itaco, T.T.S.Kuo

Shell-model studies on exotic nuclei around ¹³²Sn

NUCLEAR STRUCTURE ¹³⁴Te, ¹³⁴Sn, ^134,135Sb; calculated energy levels, J, π using a realistic shell model with two approaches.

doi: 10.1016/j.nuclphysa.2008.02.264
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2008GO28 Phys.Rev. C 78, 044331 (2008)

C.Goodin, N.J.Stone, A.V.Ramayya, A.V.Daniel, J.R.Stone, J.H.Hamilton, K.Li, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, A.Gargano, A.Covello, G.M.Ter-Akopian

g factors, spin-parity assignments, and multipole mixing ratios of excited states in N = 82 isotones ¹³⁴Te, ¹³⁵I

RADIOACTIVITY ²⁵²Cf(SF); measured Eγ, Iγ, angular correlations, g-factors. ¹³⁴Te, ¹³⁵I; deduced levels, J, π, mixing ratios. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.78.044331
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2008GU17 Phys.Rev. C 78, 064608 (2008)

P.Guazzoni, L.Zetta, A.Covello, A.Gargano, B.F.Bayman, T.Faestermann, G.Graw, R.Hertenberger, H.-F.Wirth, M.Jaskola

¹¹⁸Sn levels studied by the ¹²⁰Sn(p, t) reaction: High-resolution measurements, shell model, and distorted-wave Born approximation calculations

NUCLEAR REACTIONS ¹²⁰Sn(p, t), E=21 MeV; measured triton spectra, σ, σ(θ); deduced levels, J, π. Comparison with shell-model, distorted-wave Born approximation calculations.

doi: 10.1103/PhysRevC.78.064608
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