NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = I.G.Stefan Found 12 matches. 2023PE06 Phys.Rev. C 107, 044301 (2023) L.G.Pedersen, E.Sahin, A.Gorgen, F.L.Bello Garrote, Y.Tsunoda, T.Otsuka, M.Niikura, S.Nishimura, Z.Xu, H.Baba, G.Benzoni, F.Browne, A.M.Bruce, S.Ceruti, F.C.L.Crespi, R.Daido, G.de Angelis, M.-C.Delattre, Zs.Dombradi, P.Doornenbal, Y.Fang, S.Franchoo, G.Gey, A.Gottardo, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, T.Miyazaki, V.Modamio, S.Momiyama, A.I.Morales, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Z.Vajta, J.J.Valiente-Dobon, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, R.Yokoyama, K.Yoshinaga First spectroscopic study of odd-odd 78Cu RADIOACTIVITY 78Ni(β-)[from 9Be(238U, X), E=345 MeV/nucleon]; measured Eγ, Iγ, βγ-coin, γγ-coin; deduced β-feeding, γ-transition intensities. 78Cu; deduced levels J, π, T1/2 of isomer state. Comparison with Monte Carlo shell model (MCSM) calculations. Wide-range active silicon-strip stopper array for beta and ion detection (WAS3ABi) with EURICA HPGe cluster det ector array at RIBF (RIKEN). NUCLEAR STRUCTURE 78Cu; calculated levels, J, π, occupation numbers of proton and neutron orbitals, excitation energies of the negative-parity multiplets, configurations. Monte Carlo shell model calculations performed using A3DA-m interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.107.044301
2021ES05 Phys.Rev. C 103, 064328 (2021) S.Escrig, A.I.Morales, S.Nishimura, M.Niikura, A.Poves, Z.Y.Xu, G.Lorusso, F.Browne, P.Doornenbal, G.Gey, H.-S.Jung, Z.Li, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, H.Baba, S.Franchoo, T.Isobe, P.R.John, I.Kojouharov, S.Kubono, N.Kurz, I.Matea, K.Matsui, D.Mengoni, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, E.Sahin, H.Sakurai, H.Schaffner, I.G.Stefan, D.Suzuki, R.Taniuchi, V.Werner, D.Sohler Persistence of the Z=28 shell gap in A=75 isobars: Identification of a possible (1/2-)μs isomer in 75Co and β decay to 75Ni RADIOACTIVITY 75mCo(IT); 75Co(β-), (β-n)[from in-flight fission in 9Be(238U, F), E=345 MeV/nucleon, followed by separation of fragments of interest using BigRIPS separator and ZeroDegree spectrometer (ZDS) at RIBF-RIKEN facility]; measured Eγ, Iγ, βγ- and βγγ-coin, half-life of 75mCo decay by (ion)γ(t) using active beam stopper WAS3ABi with double-sided silicon strips detectors (DSSSDs) for fragment and β detection and EURICA array of 12 clusters HPGe detectors for γ rays. 74,75Ni; deduced levels, J, π, multipolarities of two transitions, configurations, β feedings, β-n feedings, logft values. 75Co; deduced lower limit of %β-n. 75mCo; deduced isomer, energy, J, π, transition multipolarity and half-life of the micro-sec isomer. Comparison with the large-scale shell-model calculations using PFSDG-U interaction in the pf-sdg space. Systematics of low-lying levels in 69,71,73,75Co.
doi: 10.1103/PhysRevC.103.064328
2020BE24 Phys.Rev. C 102, 034314 (2020) F.L.Bello Garrote, E.Sahin, Y.Tsunoda, T.Otsuka, A.Gorgen, M.Niikura, S.Nishimura, G.de Angelis, G.Benzoni, A.I.Morales, V.Modamio, Z.Y.Xu, H.Baba, F.Browne, A.M.Bruce, S.Ceruti, F.C.L.Crespi, R.Daido, M.-C.Delattre, P.Doornenbal, Zs.Dombradi, Y.Fang, S.Franchoo, G.Gey, A.Gottardo, K.Hadynska-Klek, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, T.Miyazaki, S.Momiyama, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Zs.Vajta, J.J.Valiente-Dobon, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, R.Yokoyama, K.Yoshinaga β-decay of 75Ni and the systematics of the low-lying level structure of neutron-rich odd-A Cu isotopes RADIOACTIVITY 75Ni(β-), (β-n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by mass separation and identification of fragments of interest using the BigRIPS separator and ZeroDegree spectrometer, and implanted in WAS3ABi stopper at RIBF-RIKEN facility]; measured Eβ, Eγ, Iγ, γγ-coin, (implants)β-correlations, (implants)βγ-coin using the EURICA array for γ detection, half-life and %β-n or Pn for the decay of 75Ni. 75Cu; deduced levels, J, π, Iβ, logft values. Comparison with Monte Carlo shell model (MCSM) calculations. 74Cu, 75,76,77,78Zn, 76,80,81Ga, 80,81Ge(β-); observed γ rays in spectral Fig. 1. NUCLEAR STRUCTURE 75Cu; calculated levels, J, π. 75,77Cu; calculated occupation numbers of proton and neutron orbits, potential energy surfaces for different spin states. 69,71,73,75,77,79Cu; systematics of energies of the first 1/2- states and corresponding B(E2) values, energies and decay sequences of particle-core coupling states, intruder states. Monte Carlo shell model calculations were performed using the A3DA interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.034314
2020FR06 Phys.Rev.Lett. 125, 012501 (2020) A.Frotscher, M.Gomez-Ramos, A.Obertelli, P.Doornenbal, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, N.Paul, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, N.Shimizu, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu Sequential Nature of (p, 3p) Two-Proton Knockout from Neutron-Rich Nuclei NUCLEAR REACTIONS 1H(101Sr, 3p), (75Zn, 3p), (81Ga, 3p)79Cu, (81Ga, 2p)80Zn, E ∼ 205 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ.
doi: 10.1103/PhysRevLett.125.012501
2019PA25 Phys.Rev.Lett. 122, 162503 (2019) N.Paul, A.Obertelli, C.A.Bertulani, A.Corsi, P.Doornenbal, J.L.Rodriguez-Sanchez, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu Prominence of Pairing in Inclusive (p, 2p) and (p, pn) Cross Sections from Neutron-Rich Nuclei NUCLEAR REACTIONS 1H(96Kr, np)95Kr, E ∼ 250 MeV/nucleon; analyzed available data for fifty-five inclusive single nucleon-removal σ; deduced systematically higher cross sections are found for proton removal from nuclei with an even number of protons as compared to odd-proton number projectiles for a given neutron separation energy.
doi: 10.1103/PhysRevLett.122.162503
2017SA32 Phys.Rev.Lett. 118, 242502 (2017) E.Sahin, F.L.Bello Garrote, Y.Tsunoda, T.Otsuka, G.de Angelis, A.Gorgen, M.Niikura, S.Nishimura, Z.Y.Xu, H.Baba, F.Browne, M.-C.Delattre, P.Doornenbal, S.Franchoo, G.Gey, K.Hadynska-Klek, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, H.Sakurai, H.Schaffner, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Z.Vajta, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, K.Yoshinaga Shell Evolution towards 78Ni : Low-Lying States in 77Cu RADIOACTIVITY 77Ni(β-) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π. Comparison with large-scale Monte Carlo shell model calculations.
doi: 10.1103/physrevlett.118.242502
2017SU15 Phys.Rev. C 95, 051601 (2017) T.Sumikama, S.Nishimura, H.Baba, F.Browne, P.Doornenbal, N.Fukuda, S.Franchoo, G.Gey, N.Inabe, T.Isobe, P.R.John, H.S.Jung, D.Kameda, T.Kubo, Z.Li, G.Lorusso, I.Matea, K.Matsui, P.Morfouace, D.Mengoni, D.R.Napoli, M.Niikura, H.Nishibata, A.Odahara, E.Sahin, H.Sakurai, P.-A.Soderstrom, G.I.Stefan, D.Suzuki, H.Suzuki, H.Takeda, R.Taniuchi, J.Taprogge, Zs.Vajta, H.Watanabe, V.Werner, J.Wu, Z.Y.Xu, A.Yagi, K.Yoshinaga Observation of new neutron-rich Mn, Fe, Co, Ni, and Cu isotopes in the vicinity of 78Ni NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, Eβ, particle-identifications through energy loss, times of flight, and magnetic rigidities using BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility; deduced A/Q production yields for 65,66,67,68,69,70Cr, 68,69,70,71,72,73Mn, 71,72,73,74,75,76Fe, 73,74,75,76,77,78Co, 76,77,78,79,80,81,82Ni, and 79,80,81,82,83Cu. 73Mn, 76Fe, 77,78Co, 80,81,82Ni, 83Cu; deduced production σ for the new isotopes. Comparison with theoretical calculations using LISE++ code.
doi: 10.1103/PhysRevC.95.051601
2015SO23 Phys.Rev. C 92, 051305 (2015) P.-A.Soderstrom, S.Nishimura, Z.Y.Xu, K.Sieja, V.Werner, P.Doornenbal, G.Lorusso, F.Browne, G.Gey, H.S.Jung, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, J.Wu, H.Baba, Zs.Dombradi, S.Franchoo, T.Isobe, P.R.John, Y.-K.Kim, I.Kojouharov, N.Kurz, Y.K.Kwon, Z.Li, I.Matea, K.Matsui, G.Martinez-Pinedo, D.Mengoni, P.Morfouace, D.R.Napoli, M.Niikura, H.Nishibata, A.Odahara, K.Ogawa, N.Pietralla, E.Sahin, H.Sakurai, H.Schaffner, D.Sohler, I.G.Stefan, D.Suzuki, R.Taniuchi, A.Yagi, K.Yoshinaga Two-hole structure outside 78Ni: Existence of a μs isomer of 76Co and β decay into 76Ni NUCLEAR REACTIONS 9Be(238U, F), E=345 MeV/nucleon; measured Eγ, Iγ, γγ-coin, βγ(t), half-lives of isomers using BigRIPS separator, WAS3ABi silicon detector stack and EURICA array at RIBF-RIKEN. 76Co, 76Ni; deduced levels, isomers, J, π, configuration, B(E1), B(E2). Comparison with shell-model calculation using LNPS interaction. RADIOACTIVITY 76Co(β-)[16-ms and 21.7-ms activities from 9Be(238U, F), E=345 MeV/nucleon]; measured Eγ, Iγ, γγ-coin, βγ(t), half-lives of isomers using BigRIPS separator, WAS3ABi silicon detector stack and EURICA array at RIBF-RIKEN. 76Ni; deduced levels, isomers, J, π, configuration. Comparison with shell-model calculation using LNPS interaction.
doi: 10.1103/PhysRevC.92.051305
2014XU07 Phys.Rev.Lett. 113, 032505 (2014) Z.Y.Xu, S.Nishimura, G.Lorusso, F.Browne, P.Doornenbal, G.Gey, H.-S.Jung, Z.Li, M.Niikura, P.-A.Soderstrom, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, J.Wu, A.Yagi, K.Yoshinaga, H.Baba, S.Franchoo, T.Isobe, P.R.John, I.Kojouharov, S.Kubono, N.Kurz, I.Matea, K.Matsui, D.Mengoni, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, E.Sahin, H.Sakurai, H.Schaffner, I.G.Stefan, D.Suzuki, R.Taniuchi, V.Werner β-Decay Half-Lives of 76, 77Co, 79, 80Ni and 81Cu Experimental Indication of a Doubly Magic 78Ni RADIOACTIVITY 72,73,74,75,76,77Co, 74,75,76,77,78,79,80Ni, 78,79,80,81Cu, 80,81,82Zn(β-), 77Co, 79,80Ni, 81Cu(β-n) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced T1/2. Comparison with available data, FRDM+QRPA, KTUY+GT2 calculations.
doi: 10.1103/PhysRevLett.113.032505
2010BE35 Eur.Phys.J. A 45, 287 (2010) G.Benzoni, F.Azaiez, G.I.Stefan, S.Franchoo, S.Battacharyya, R.Borcea, A.Bracco, L.Corradi, D.Curien, G.De France, Zs.Dombradi, E.Fioretto, S.Grevy, F.Ibrahim, S.Leoni, D.Montanari, G.Mukherjee, G.Pollarolo, N.Redon, P.H.Regan, C.Schmitt, G.Sletten, D.Sohler, M.Stanoiu, S.Szilner, D.Verney Study of collisions of the radioactive 24Ne beam at 7.9 MeV/u on 208Pb NUCLEAR REACTIONS 208Pb(24Ne, X), E=7.9 MeV/nucleon; measured Eγ, Iγ, A(particle), Z(particle), E(particle), I(particle, θ) using VAMOS spectrometer to EXOGAM array; deduced yields; calculated yields using GRAZING code. 23F, 24,25Ne deduced σ(θ).
doi: 10.1140/epja/i2010-11011-4
2008PE02 Phys.Lett. B 659, 864 (2008) M.G.Pellegriti, N.L.Achouri, C.Angulo, J.-C.Angelique, E.Berthoumieux, E.Casarejos, M.Couder, T.Davinson, C.Ghag, A.St.Murphy, N.A.Orr, I.Ray, I.G.Stefan, P.Descouvemont Evidence for core excitation in single-particle states of 19Na NUCLEAR REACTIONS 1H(18Ne, 18Ne), (18Ne, 18Ne'), E=66 MeV; measured σ(θ), proton spectra. 19Na deduced levels, J, π. Microscopic cluster model and R-matrix analysis.
doi: 10.1016/j.physletb.2007.12.017
2005PA48 Phys.Rev. C 72, 024304 (2005) D.Pantelica, I.Gh.Stefan, N.Nica, M.-G.Porquet, G.Duchene, A.Astier, S.Courtin, I.Deloncle, F.Hoellinger, A.Bauchet, N.Buforn, L.Donadille, O.Dorvaux, J.Duprat, B.J.P.Gall, C.Gautherin, T.Kutsarova, S.Lalkovski, R.Lucas, M.Meyer, A.Minkova, A.Prevost, N.Redon, N.Schulz, H.Sergolle, O.Stezowski, Ts.Venkova, A.Wilson High-spin states in 92-96Zr nuclei NUCLEAR REACTIONS 176Yb(28Si, X)92Zr/93Zr/94Zr/95Zr/96Zr, E=145 MeV; 176Yb(31P, X)92Zr/93Zr/94Zr/95Zr/96Zr, E=152 MeV; measured Eγ, Iγ, γγ-coin. 92,93,94,95,96Zr deduced high-spin levels, J, π, configurations. Eurogam II and Euroball IV arrays, comparisons with shell-model predictions.
doi: 10.1103/PhysRevC.72.024304
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