NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = P.Fallon Found 448 matches. Showing 1 to 100. [Next]2023AY02 Phys.Rev. C 107, 044314 (2023) A.D.Ayangeakaa, R.V.F.Janssens, S.Zhu, J.M.Allmond, B.A.Brown, C.Y.Wu, M.Albers, K.Auranen, B.Bucher, M.P.Carpenter, P.Chowdhury, D.Cline, H.L.Crawford, P.Fallon, A.M.Forney, A.Gade, D.J.Hartley, A.B.Hayes, J.Henderson, F.G.Kondev, Krishichayan, T.Lauritsen, J.Li, D.Little, A.O.Macchiavelli, D.Rhodes, D.Seweryniak, S.M.Stolze, W.B.Walters, J.Wu Triaxiality and the nature of low-energy excitations in 76Ge NUCLEAR REACTIONS 208Pb(76Ge, 76Ge'), E=291, 304, 317 MeV; measured Eγ, Iγ, (76Ge)γ-coin using the GRETINA array with 28 Ge crystals in one experiment at 304-MeV beam energy, and 42 Ge crystals in a second experiment at 291- and 317-MeV beam energies, both in coincidence with scattered particles detected by using the CHICO2 array of position-sensitive parallel plate avalanche counters at the ATLAS-ANL facility. 76Ge; deduced levels, Jπ, γ-ray and Coulomb excitation yields analyzed by using the semiclassical, coupled-channel, Coulomb excitation least-squares code GOSIA, constrained by certain previouly known experimental nuclear structure parameters, E2, M1, E1 and E3 matrix elements, B(E2), B(M1), B(E1) and B(E3), spectroscopic quadrupole moments for five excited states, and evidence for rigid triaxial deformation at low excitation energies in 76Ge, and magnitudes of the quadrupole invariants Q+2, and expectation values of the quadrupole asymmetry parameters cos(3γ) for the members of the ground-state and the γ bands. Comparison with configuration interaction shell-model calculations and generalized triaxial rotor model, and with previous experimental data.
doi: 10.1103/PhysRevC.107.044314
2023GR04 Phys.Rev.Lett. 130, 242501 (2023) T.J.Gray, J.M.Allmond, Z.Xu, T.T.King, R.S.Lubna, H.L.Crawford, V.Tripathi, B.P.Crider, R.Grzywacz, S.N.Liddick, A.O.Macchiavelli, T.Miyagi, A.Poves, A.Andalib, E.Argo, C.Benetti, S.Bhattacharya, C.M.Campbell, M.P.Carpenter, J.Chan, A.Chester, J.Christie, B.R.Clark, I.Cox, A.A.Doetsch, J.Dopfer, J.G.Duarte, P.Fallon, A.Frotscher, T.Gaballah, J.T.Harke, J.Heideman, H.Huegen, J.D.Holt, R.Jain, N.Kitamura, K.Kolos, F.G.Kondev, A.Laminack, B.Longfellow, S.Luitel, M.Madurga, R.Mahajan, M.J.Mogannam, C.Morse, S.Neupane, A.Nowicki, T.H.Ogunbeku, W.-J.Ong, C.Porzio, C.J.Prokop, B.C.Rasco, E.K.Ronning, E.Rubino, T.J.Ruland, K.P.Rykaczewski, L.Schaedig, D.Seweryniak, K.Siegl, M.Singh, A.E.Stuchbery, S.L.Tabor, T.L.Tang, T.Wheeler, J.A.Winger, J.L.Wood Microsecond Isomer at the N=20 Island of Shape Inversion Observed at FRIB RADIOACTIVITY 32Na(IT), (β-) [from 9Be(48Ca, X), E=172.3 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, isomeric T1/2, B(E2), single-particle occupancies. Comparison with calculations. The Advanced Rare Isotope Separator (ARIS), the FRIB Decay Station initiator (FDSi).
doi: 10.1103/PhysRevLett.130.242501
2023LU07 Phys.Rev. C 108, 014329 (2023) R.S.Lubna, S.N.Liddick, T.H.Ogunbeku, A.Chester, J.M.Allmond, S.Bhattacharya, C.M.Campbell, M.P.Carpenter, K.L.Childers, P.Chowdhury, J.Christie, B.R.Clark, R.M.Clark, I.Cox, H.L.Crawford, B.P.Crider, A.A.Doetsch, P.Fallon, A.Frotscher, T.Gaballah, T.J.Gray, R.Grzywacz, J.T.Harke, A.C.Hartley, R.Jain, T.T.King, N.Kitamura, K.Kolos, F.G.Kondev, E.Lamere, R.Lewis, B.Longfellow, S.Lyons, S.Luitel, M.Madurga, R.Mahajan, M.J.Mogannam, C.Morse, S.K.Neupane, W.-J.Ong, D.Perez-Loureiro, C.Porzio, C.J.Prokop, A.L.Richard, E.K.Ronning, E.Rubino, K.Rykaczewski, D.Seweryniak, K.Siegl, U.Silwal, M.Singh, D.P.Siwakoti, D.C.Smith, M.K.Smith, S.L.Tabor, T.L.Tang, V.Tripathi, A.Volya, T.Wheeler, Y.Xiao, Z.Xu β decay of 36Mg and 36Al: Identification of a β-decaying isomer in 36Al RADIOACTIVITY 36Mg, 36Al(β-)[from 9Be(48Ca, X), E=140 MeV/nucleon for experiment at NSCL and 9Be(48Ca, X), E=172.3 MeV/nucleon for experiment at FRIB]; 36Al, 36mAl(β-)[from 36Mg(β-); measured Eγ, Iγ; deduced T1/2. 36Al; deduced levels, J, π, newly-observed β-decaying isomer, T1/2 of the isomer. 36Si; deduced levels, J, π. Comparison to shell model calculations performed with the FSU interaction using code CoSMo. For experiment at NSCL - CeBr3 based implantation detector with position-sensitive photomultiplier tube was surrounded by 16 segmented germanium detectors (SeGa) and 15 LaBr3 detectors. For experiment at FRIB - YSO scintillator based implantation detector segmented into 48x48 pixels was surrounded by 11 HPGe clover detectors and LaBr3 detectors from one side and the neutron detector array VANDLE from the other side.
doi: 10.1103/PhysRevC.108.014329
2023SI08 Phys.Rev. C 107, 054305 (2023) J.Simpson, M.A.Riley, A.Pipidis, E.S.Paul, X.Wang, P.J.Nolan, J.F.Sharpey-Schafer, A.Aguilar, D.E.Appelbe, A.D.Ayangeakaa, A.J.Boston, H.C.Boston, D.B.Campbell, M.P.Carpenter, C.J.Chiara, P.T.W.Choy, R.M.Clark, M.Cromaz, A.O.Evans, P.Fallon, U.Garg, A.Gorgen, D.J.Hartley, R.V.F.Janssens, D.T.Joss, D.S.Judson, F.G.Kondev, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, J.T.Matta, J.Ollier, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Teal, P.J.Twin, C.Unsworth, D.Ward, S.Zhu, I.Ragnarsson Evolution of structure and shapes in 158Er to ultrahigh spin NUCLEAR REACTIONS 114Cd(48Ca, 4n)158Er, E=215 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 158Er; deduced levels, J, π, high-spin states, angular intensity ratios, δ, B(M1/E2) ratios, nuclear shapes, alignments, rotational bands, configurations, band terminating states and feeding, transition quadrupole moments for triaxial strongly deformed bands, moment of inertia. Comparison with cranked Nilsson-Strutinski calculations. Systematics of triaxial strongly deformed bands in 158Er, 160Er, 152Dy, 163Lu. Gammasphere array of escape-suppressed HPGe detectors at 88-inch cyclotron-LBNL and ATLAS-ANL facilities.
doi: 10.1103/PhysRevC.107.054305
2023WA18 Phys.Lett. B 843, 138038 (2023) H.Wang, M.Yasuda, Y.Kondo, T.Nakamura, J.A.Tostevin, K.Ogata, T.Otsuka, A.Poves, N.Shimizu, K.Yoshida, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, H.L.Crawford, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.Douma, Z.Elekes, P.Fallon, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.A.Najafi, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, N.A.Orr, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, T.Uesaka, Z.Yang, K.Yoneda Intruder configurations in 29Ne at the transition into the island of inversion: Detailed structure study of 28Ne NUCLEAR REACTIONS 1H(29Ne, np)28Ne, E=240 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme, J, π, one-neutron removal σ, parallel momentum distributions. Comparison with available data. The MINOS target was surrounded by the DALI2 array, the Radioactive Isotope Beam Factory (RIBF), operated by the RIKEN Nishina Center and the Center for Nuclear Study, University of Tokyo.
doi: 10.1016/j.physletb.2023.138038
2022CR03 Phys.Rev.Lett. 129, 212501 (2022) H.L.Crawford, V.Tripathi, J.M.Allmond, B.P.Crider, R.Grzywacz, S.N.Liddick, A.Andalib, E.Argo, C.Benetti, S.Bhattacharya, C.M.Campbell, M.P.Carpenter, J.Chan, A.Chester, J.Christie, B.R.Clark, I.Cox, A.A.Doetsch, J.Dopfer, J.G.Duarte, P.Fallon, A.Frotscher, T.Gaballah, T.J.Gray, J.T.Harke, J.Heideman, H.Heugen, R.Jain, T.T.King, N.Kitamura, K.Kolos, F.G.Kondev, A.Laminack, B.Longfellow, R.S.Lubna, S.Luitel, M.Madurga, R.Mahajan, M.J.Mogannam, C.Morse, S.Neupane, A.Nowicki, T.H.Ogunbeku, W.-J.Ong, C.Porzio, C.J.Prokop, B.C.Rasco, E.K.Ronning, E.Rubino, T.J.Ruland, K.P.Rykaczewski, L.Schaedig, D.Seweryniak, K.Siegl, M.Singh, S.L.Tabor, T.L.Tang, T.Wheeler, J.A.Winger, Z.Xu Crossing N = 28 Toward the Neutron Drip Line: First Measurement of Half-Lives at FRIB RADIOACTIVITY 44,45P, 42,43Si, 39,40,41Al, 36,37,38Mg, 35Na, 32Ne, 29F(β-), (β-n), (β-2n) [from 9Be(48Ca, X), E=172.3 MeV/nucleon]; measured decay products, Eβ, Iβ, En, In; deduced T1/2. Comparison with the latest quasiparticle random phase approximation and shell-model calculations and available data. The Facility for Rare Isotope Beams (FRIB) with the FRIB decay station initiator.
doi: 10.1103/PhysRevLett.129.212501
2022CR04 Phys.Rev. C 106, L061303 (2022) H.L.Crawford, M.D.Jones, A.O.Macchiavelli, P.Fallon, D.Bazin, P.C.Bender, B.A.Brown, C.M.Campbell, R.M.Clark, M.Cromaz, B.Elman, A.Gade, J.D.Holt, R.V.F.Janssens, I.Y.Lee, B.Longfellow, S.Paschalis, M.Petri, A.L.Richard, M.Salathe, J.A.Tostevin, D.Weisshaar Core of 25F studied by the 25F(-p) proton-removal reaction NUCLEAR REACTIONS 9Be(25F, 24O), E=77 MeV/nucleon; measured reaction products; deduced longitudinal momentum distribution, proton removal σ, spectroscopic factor. Results are interpreted within the framework of the Particle-Vibration Coupling (PVC) model, of a d5/2 proton coupled to a quadrupole phonon of an effective 24O core. Comparison to shell model predictions. Reaction products analyzed by spectrometer S800 (NSCL). Secondary 25F beam from 48Ca fragmentation on Be target at accelerated through the Coupled Cyclotron Facility.
doi: 10.1103/PhysRevC.106.L061303
2022GR08 Phys.Lett. B 834, 137446 (2022) T.J.Gray, J.M.Allmond, R.V.F.Janssens, W.Korten, A.E.Stuchbery, J.L.Wood, A.D.Ayangeakaa, S.Bottoni, B.M.Bucher, C.M.Campbell, M.P.Carpenter, H.L.Crawford, H.David, D.T.Doherty, P.Fallon, M.T.Febbraro, A.Galindo-Uribarri, C.J.Gross, M.Komorowska, F.G.Kondev, T.Lauritsen, A.O.Macchiavelli, P.Napiorkowsi, E.Padilla-Rodal, S.D.Pain, W.Reviol, D.G.Sarantites, G.Savard, D.Seweryniak, C.Y.Wu, C.-H.Yu, S.Zhu E2 rotational invariants of 01+ and 21+ states for 106Cd: The emergence of collective rotation NUCLEAR REACTIONS 208Pb(106Cd, 106Cd'), E=3.849 MeV/nucleon; measured Doppler-corrected γ-ray spectra, Eγ, Iγ, (106Cd)γ-coin using GRETINA array with 32 HPGe crystals for γ detection, and CHICO array for particles at the ATLAS-ANL facility. 106Cd; deduced levels, J, π, E2 and E3 matrix elements using GOSIA analysis code, E2 transition strengths, spectroscopic quadrupole moments, electric quadrupole invariants (Kumar-Cline sum rules) Q3cos(3δ), axial-symmetry parameter δ. Comparison with beyond mean-field (BMF) and shell-model calculations, and with previous experimental data.
doi: 10.1016/j.physletb.2022.137446
2022MA05 Phys.Rev. C 105, 014309 (2022) A.O.Macchiavelli, H.L.Crawford, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, I.Y.Lee, A.Gade, A.Poves, E.Rice Structure of 43P and 42Si in a two-level shape-coexistence model NUCLEAR STRUCTURE 43P; calculated excitation energies, proton Nilsson orbitals originating from the sd shell, electric quadrupole (Q) and magnetic dipole moments (μ), B(E2), B(M1). 42Si; calculated excitation energies, electric quadrupole moments (Q) and B(E2). Two-level mixing (collective) model of oblate and prolate coexisting shapes. Comparison with available experimental data. Application of the formalism to the proton knockout reaction σ from 43P to 42Si, and compared theoretical σ to experimental value in 2019Ga15: Phys. Rev. Lett. 122, 222501.
doi: 10.1103/PhysRevC.105.014309
2022MA23 Eur.Phys.J. A 58, 66 (2022) A.O.Macchiavelli, H.L.Crawford, P.Fallon, R.M.Clark, A.Poves Weak binding effects on the structure of 40Mg NUCLEAR STRUCTURE 40Mg; analyzed available data; deduced the coupling of weakly bound (halo) valence neutrons to a core, possible particle-core coupling schemes and their impact on the low-lying excitation spectrum.
doi: 10.1140/epja/s10050-022-00719-5
2022MA43 Eur.Phys.J. A 58, 144 (2022) A.O.Macchiavelli, H.L.Crawford, R.M.Clark, P.Fallon, I.Y.Lee, C.M.Campbell, M.Cromaz, A.Frotscher, C.Porzio, E.Rice Structure of 48, 49, 50Ca in a phenomenological shell model NUCLEAR STRUCTURE 48,49,50Ca; analyzed available data; calculated occupation probabilities, level occupancies, rms radii, B(E2), spectroscopic factors; deduced wavefunctions fit to the available data on spectroscopic factors derived from direct one neutron addition and removal reactions.
doi: 10.1140/epja/s10050-022-00763-1
2022MO05 Nucl.Instrum.Methods Phys.Res. A1025, 166155 (2022) C.Morse, H.L.Crawford, A.O.Macchiavelli, A.Wiens, M.Albers, A.D.Ayangeakaa, P.C.Bender, C.M.Campbell, M.P.Carpenter, P.Chowdhury, R.M.Clark, M.Cromaz, H.M.David, P.Fallon, R.V.F.Janssens, T.Lauritsen, I.-Y.Lee, C.J.Lister, D.Miller, V.S.Prasher, S.L.Tabor, D.Weisshaar, S.Zhu The polarization sensitivity of GRETINA NUCLEAR REACTIONS 24Mg(p, p'), E=2.45 MeV; measured reaction products, Eγ, Iγ. 25Mg; deduced γ-ray energies, J, π, polar angular distribution.
doi: 10.1016/j.nima.2021.166155
2021BA03 Phys.Rev. C 103, 014301 (2021) A.Basu, A.K.Singh, I.Ragnarsson, B.G.Carlsson, A.Kardan, G.B.Hagemann, G.Sletten, B.Herskind, H.Hubel, S.Chmel, A.N.Wilson, J.Rogers, R.V.F.Janssens, M.P.Carpenter, T.L.Khoo, F.G.Kondev, T.Lauritsen, S.Zhu, A.Korichi, P.Fallon, B.M.Nyako, J.Timar Highly deformed band structures due to core excitations in 123Xe NUCLEAR REACTIONS 80Se(48Ca, 5n)123Xe, E=207 MeV; measured Eγ, Iγ, two to four-fold γγ-coin, angular-distribution ratios for eight transitions using the Gammasphere array at ATLAS-ANL facility. 123Xe; deduced high-spin levels, J, π, multipolarities, highly-deformed rotational bands, alignments, band crossings, configurations; calculated total energy surfaces. Comparison with cranked Nilsson-Strutinsky (CNS) and cranked Nilsson-Strutinsky-Bogoliubov (CNSB) models.
doi: 10.1103/PhysRevC.103.014301
2021BA28 Phys.Rev. C 103, 064318 (2021) D.Bazin, N.Aoi, H.Baba, J.Chen, H.Crawford, P.Doornenbal, P.Fallon, K.Li, J.Lee, M.Matsushita, T.Motobayashi, H.Sakurai, H.Scheit, D.Steppenbeck, R.Stroberg, S.Takeuchi, H.Wang, K.Yoneda, C.X.Yuan Spectroscopy of 33Mg with knockout reactions NUCLEAR REACTIONS 9Be(34Mg, n)33Mg, E=242.5 MeV/nucleon; 9Be(34Al, p)33Mg, E=229.6 MeV/nucleon, [secondary 34Mg and 34Al beams from 9Be(48Ca, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments of interest using BigRIPS spectrometer at RIBF-RIKEN facility]; measured reaction products and particle identification plot (PID), outgoing 33Mg particles by ZeroDegree spectrometer (ZDS), Eγ, Iγ, (33Mg)γ-coin, parallel momentum distributions using DALI2 array of NaI(Tl) scintillators. 33Mg; deduced levels, J, π, l-transfers, partial σ and compared with eikonal reaction theory, spectroscopic factors; calculated levels, J, π using large-scale shell model with IMSRG, SDPF-MU, SDPF-U-SI and SDPF-U-MIX interactions.
doi: 10.1103/PhysRevC.103.064318
2021MA21 Phys.Rev. C 103, 034307 (2021) A.O.Macchiavelli, H.L.Crawford, R.M.Clark, P.Fallon, I.Y.Lee, C.Morse, C.M.Campbell, M.Cromaz, C.Santamaria, J.Chen, C.R.Hoffman, B.P.Kay Coriolis coupling effects in proton-pickup spectroscopic factors from 12B NUCLEAR REACTIONS 2H(12B, 3He)11Be, E=12 MeV/nucleon; analyzed Coriolis coupling effects in proton-pickup spectroscopic factors extracted from experimental data in 2019Ch51. 11B; calculated levels, J, π, Coriolis mixing amplitudes of the proton Nilsson states using the particle rotor model (PRM) and compared with the experimental data. 11Be, 11B; calculated L=1 proton-removal spectroscopic factors from 1- 11B and 0+ 12C ground states using PRM, and compared with experimental data. 12B; deduced evidence of Coriolis coupling in the ground state.
doi: 10.1103/PhysRevC.103.034307
2021MC04 Phys.Rev. C 103, 064320 (2021) D.G.McNeel, A.H.Wuosmaa, S.A.Kuvin, J.Smith, B.B.Back, J.Chen, C.R.Hoffman, B.P.Kay, G.L.Wilson, D.K.Sharp, R.M.Clark, H.L.Crawford, P.Fallon, A.O.Macchiavelli Configuration mixing in 28Mg and the 26Mg(t, p)28Mg NUCLEAR REACTIONS 3H(26Mg, p)28Mg, E=160.6 MeV; 2H(26Mg, p)27Mg, E=160.6 MeV; measured reaction products, particle-identification spectra, E(p), I(p), σ(θ) using HELIOS magnetic spectrometer and auxiliary detectors at the ATLAS-ANL facility. 28Mg; deduced levels, J, π, L-transfers; calculated levels, J, π, proton- and neutron-occupation numbers for selected states in 28Mg using shell model with SDPF-MU interaction. DWBA analysis of σ(θ) distributions. Comparison with previous experimental data in the ENSDF database. 2H(26Mg, p)27Mg reaction used for energy-calibration and transport-efficiency information. Relevance to sd-fp cross-shell excitations between the valley of stability and the 'island of inversion'.
doi: 10.1103/PhysRevC.103.064320
2021RO11 Phys.Rev. C 103, 034326 (2021) D.G.Roux, W.C.Ma, G.B.Hagemann, D.R.Elema, P.Fallon, A.Gorgen, B.Herskind, H.Hubel, J.C.Marsh, G.Sletten, D.Ward, J.N.Wilson High-spin states and signature inversion in odd-odd 168Lu NUCLEAR REACTIONS 123Sb(48Ca, 3n), E=203 MeV; measured Eγ, Iγ, multi-fold γγ-coin, γγ(θ)(DCO) using Gammasphere array at LBNL. 168Lu; deduced high-spin levels, J, p, multipolarities, B(M1)/B(E2), rotational bands, alignments, band crossing frequencies, band configurations, signature splittings and inversions; calculated quasiparticle Routhians. Comparison with cranked shell model calculations using ULTIMATE CRANKER code.
doi: 10.1103/PhysRevC.103.034326
2021RU09 Phys.Rev. C 104, 044314 (2021) D.Rudolph, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, J.Ekman, C.Fahlander, P.Fallon, W.Reviol, D.G.Sarantites, D.Seweryniak Experimental and shell-model study of excited states in 5526Fe29 and related notes on 5529Cu26 NUCLEAR REACTIONS 28Si(32S, n4p)55Fe, E=125 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin, γγ(θ)(DCO) using the Gammasphere array for γ detection, 4π Microball system for charged particle detection, and the Neutron Shell array for neutron detection at ANL-ATLAS and LBNL cyclotron facilities. 55Fe; deduced high-spin levels, J, π, multipolarities, dipole structure, configurations. Comparison with shell-model calculations. NUCLEAR STRUCTURE 55Fe, 55Cu; calculated high-spin levels, J, π, level half-lives, B(E2), B(M1), γ-branching ratios, configurations, occupation numbers relative to 56Ni. Shell-model calculations with KB3G and GXPF1A interactions, with isospin breaking terms, using ANTOINE code. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.044314
2020BA12 Phys.Rev. C 101, 024309 (2020) A.Basu, A.K.Singh, S.Nag, G.B.Hagemann, G.Sletten, B.Herskind, A.N.Wilson, J.Rogers, I.Ragnarsson, H.Hubel, S.Chmel, R.V.F.Janssens, M.P.Carpenter, T.L.Khoo, F.G.Kondev, T.Lauritsen, S.Zhu, A.Korichi, P.Fallon, B.M.Nyako, J.Timar Evolution of collective and noncollective structures in 123Xe NUCLEAR REACTIONS 80Se(48Ca, 5n)123Xe, E=207 MeV; measured Eγ, Iγ, γγ-coin, γ-ray angular distribution ratios using Gammasphere array at ATLAS-ANL facility. 123Xe; deduced high-spin levels, J, π, multipolarities, rotational bands, configurations, alignments, B(E1), B(E1)/B(E2); calculated total-energy surfaces in (ϵ2, γ) plane. Comparison with cranked Nilsson-Strutinsky (CNS) calculations.
doi: 10.1103/PhysRevC.101.024309
2020BA52 Phys.Rev. C 102, 044329 (2020) R.Banik, S.Bhattacharyya, M.Rejmund, A.Lemasson, S.Biswas, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, P.Bednarczyk, S.Bhattacharya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, G.Mukherjee, R.Palit, R.M.Perez-Vidal, J.Ropert, C.Schmitt High-spin states above the isomers in neutron-rich iodine nuclei near N = 82 NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured fission fragments using the VAMOS++ magnetic spectrometer and dual position-sensitive multiwire proportional counter (DPS-MWPC) at GANIL, Eγ, Iγ, prompt γγ-coin, (prompt γ)(delayed γ)-coin, (delayed γ)(delayed γ)-coin, half-lives of the isomers in 131I, 132I and 133I by γ(t) using AGATA array with 32 segmented HPGe detectors and seven EXOGAM segmented clover detectors for γ detection. 130,131,132,133,134I; deduced high-spin levels, J, π, isomers, configurations. Comparisons with large-scale shell-model calculations using the code NUSHELLX. Systematics of experimental energy differences for the lowest states in odd-N isotopes of Sn, Sb, Te and I. NUCLEAR STRUCTURE 130,131,132,133,134I; calculated levels, J, π, probability of neutron hole occupancies in the νh11/2 orbital as a function of the total spin of negative parity states, and average spin contributions of proton and neutrons to the total spin of the negative parity states using large-scale shell-model calculations with the code NUSHELLX. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.044329
2020BI06 Phys.Rev. C 102, 014326 (2020) S.Biswas, A.Lemasson, M.Rejmund, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert Prompt-delayed γ-ray spectroscopy of neutron-rich 119, 121In isotopes NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, γγ-coin, fission fragments, (fragment)γ-coin, half-lives of isomers by γ(t) using AGATA and EXOGAM detector arrays for prompt and delayed γ detection and the VAMOS++ spectrometer for fission fragment identification at GANIL. 119,121In; deduced high-spin levels, J, π, configurations, B(E2). Comparison with large-scale shell-model calculations. Systematics of B(E2) values for 25/2+ to 21/2+ transitions in odd-A In isotopes. NUCLEAR STRUCTURE 119,121,123,125,127,129In, 121,123,125,127,129,131Sb; calculated high-spin levels, J, π, probabilities for the neutron angular momentum and neutron seniority using large-scale shell-model.
doi: 10.1103/PhysRevC.102.014326
2020CL01 Phys.Rev. C 101, 034313 (2020) R.M.Clark, A.O.Macchiavelli, H.L.Crawford, P.Fallon, D.Rudolph, A.Saamark-Roth, C.M.Campbell, M.Cromaz, C.Morse, C.Santamaria Enhancement of α-particle formation near 100Sn RADIOACTIVITY 114Ba, 108,110,112Xe, 104,106,108,110Te, 220,222Ra, 216,218,220Rn, 212,214,216,218Po(α); calculated T1/2, pairing gaps, and α-formation probabilities using superfluid tunneling model for g.s. to g.s. α decay in even-even nuclei. Comparison with experimental data, and with Royer empirical fits. Discussed enhanced α-particle formation and superallowed α decay.
doi: 10.1103/PhysRevC.101.034313
2020MA17 Phys.Rev. C 101, 044319 (2020) A.O.Macchiavelli, H.L.Crawford, P.Fallon, I.Y.Lee, R.M.Clark, C.M.Campbell, M.Cromaz, C.Morse, C.Santamaria Analysis of the 18Fg, m(d, p)19F reactions in the rotational model NUCLEAR REACTIONS 18,18mF(d, p)19F, E=14 MeV/nucleon; 18O(3He, d)19F, E=11 MeV; 19F(d, 3He)18O, E=52 MeV; calculated spectroscopic factors using rotational model with Nilsson configurations. Comparison with experimental values, and with USDB shell-model calculations. 19F, 20Ne; calculated levels energies of ground-state bands, and compared with experimental data from the ENSDF database. 19F, 19Ne; compared magnetic dipole moments from Nilsson results with experimental values.
doi: 10.1103/PhysRevC.101.044319
2020MA52 Phys.Rev. C 102, 041301 (2020) A.O.Macchiavelli, R.M.Clark, H.L.Crawford, P.Fallon, I.Y.Lee, C.Morse, C.M.Campbell, M.Cromaz, C.Santamaria Core of 25F in the rotational model NUCLEAR STRUCTURE 25F; calculated levels, J, π, magnetic moments, quadrupole moments, B(E2), spectroscopic factors for low-lying levels using particle-rotor model; deduced rotation-aligned coupling scheme with the 5/2+ ground state as the bandhead of a decoupled band, configuration. Comparison with experimental results from 25F(p, 2p)24O at RIKEN.
doi: 10.1103/PhysRevC.102.041301
2020MO36 Phys.Rev. C 102, 054328 (2020) C.Morse, A.O.Macchiavelli, H.L.Crawford, S.Zhu, C.Y.Wu, Y.Y.Wang, J.Meng, B.B.Back, B.Bucher, C.M.Campbell, M.P.Carpenter, J.Chen, R.M.Clark, M.Cromaz, P.Fallon, J.Henderson, R.V.F.Janssens, M.D.Jones, T.L.Khoo, F.G.Kondev, T.Lauritsen, I.Y.Lee, J.Li, D.Potterveld, C.Santamaria, G.Savard, D.Seweryniak, S.Stolze, D.Weisshaar Quadrupole and octupole collectivity in 143Ba NUCLEAR REACTIONS 208Pb(143Ba, 143Ba'), E=627.8 MeV, [143Ba beam from 252Cf SF at the CARIBU facility at ATLAS-ANL]; measured reaction products, Eγ, Iγ, scattered particles, (particle)γ-coin, and half-life of the first 9/2- level from (particle)γ-coin using GRETINA array of 11 Quad detector modules, each with four 36-fold segmented HPGe crystals for γ detection and CHICO2 array of 20 Parallel Plate Avalanche Counters (PPACs). 143Ba; deduced levels, J, π, Coulomb excitation γ-ray yields, E2 matrix elements using GOSIA least-squares analysis, B(E2), upper limit for E3 matrix element and B(E3), alignment plots, doubly decoupled structure. Comparison with Reflection-Asymmetric Triaxial Particle Rotor Model (RAT-PRM) calculations.
doi: 10.1103/PhysRevC.102.054328
2020PO07 Phys.Rev.Lett. 124, 252502 (2020) J.L.Pore, J.M.Gates, R.Orford, C.M.Campbell, R.M.Clark, H.L.Crawford, N.E.Esker, P.Fallon, J.A.Gooding, J.T.Kwarsick, A.O.Macchiavelli, C.Morse, D.Rudolph, A.Samark-Roth, C.Santamaria, R.S.Shah, M.A.Stoyer Identification of the New Isotope 244Md RADIOACTIVITY 244Md, 240Es, 236Bk(α) [from 209Bi(40Ar, 5n), E ∼ 200 MeV]; measured decay products, Eα, Iα; deduced α-decay energies, T1/2.
doi: 10.1103/PhysRevLett.124.252502
2020RU04 Phys.Rev. C 102, 014316 (2020) D.Rudolph, I.Ragnarsson, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, J.Ekman, C.Fahlander, P.Fallon, W.Reviol, D.G.Sarantites, D.Seweryniak Single-particle and collective excitations in the N=28 isotones 54Fe and 53Mn NUCLEAR REACTIONS 28Si(32S, 3pα)53Mn, (32S, 2pα)54Fe, E=125 MeV; measured Eγ, Iγ, E(n), (particle)γ- and γγ-coin, γγ(θ)(DCO) using the Gammasphere array for γ detection, 4π Microball system for charged particle detection, and the Neutron Shell for neutron detection at ANL-ATLAS and LBNL facilities. 53Mn, 54Fe; deduced high-spin levels, J, π, multipolarities, band structures, alignments and configurations. Comparison with cranked Nilsson-Strutinsky calculations, and with large-scale shell model calculations in the fp shell with GXPF1A and KB3G interactions and isospin breaking terms.
doi: 10.1103/PhysRevC.102.014316
2020SA44 Phys.Rev. C 102, 064317 (2020) M.Salathe, H.L.Crawford, A.O.Macchiavelli, B.P.Kay, C.R.Hoffman, A.D.Ayangeakaa, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, M.D.Jones, S.A.Kuvin, J.Sethi, M.Wiedeking, J.R.Winkelbauer, A.H.Wuosmaa Search for the 1/2+ intruder state in 35P NUCLEAR REACTIONS 2H(36S, 3He), E=15.3 MeV/nucleon; measured E(3He), I(3He), σ(θ) using deuterated-plastic targets and HELIOS solenoidal spectrometer at the ATLAS-ANL facility. 35P; deduced levels, J, π, spectroscopic factors, configurations, 0p0h waveform amplitude of the 36S ground state, no candidate peak for 2p2h bandhead and a deformed intruder state in 35P. Angular distribution data analyzed using PTOLEMY DWBA calculations with possible combinations of optical potentials. Comparison with previous experimental results. Systematics of experimental and shell model results for energies of 2p2h bandheads for the N=20 isotones: 32Mg, 33Al, 34Si, 35P, 36S.
doi: 10.1103/PhysRevC.102.064317
2019AB06 Phys.Rev. C 100, 014323 (2019) B.Abromeit, V.Tripathi, H.L.Crawford, S.N.Liddick, S.Yoshida, Y.Utsuno, P.C.Bender, B.P.Crider, R.Dungan, P.Fallon, K.Kravvaris, N.Larson, R.S.Lubna, T.Otsuka, C.J.Prokop, A.L.Richard, N.Shimizu, S.L.Tabor, A.Volya Β- decay of Tz = +11/2 isotopes 37Al and 39Si: Understanding Gamow-Teller strength distribution in neutron-rich nuclei RADIOACTIVITY 37Al, 37,39,40Si, 37,39P(β-)[from 9Be(48Ca, X), E=140 MeV/nucleon, followed by fragment separation using A1900 separator at NSCL-MSU]; 37Al, 39Si(β-n); measured β, Eγ, Iγ, βγ-coin, half-lives of decays of 37Al, 37Si and 39Si, %β-n for decays of 37Al and 39Si using β-counting system (BCS) at NSCL-MSU which consisted of silicon PIN detectors, segmented planar Ge double-sided strip detector (GeDSSD) for implants and β- detection, and an array of 16 segmented Ge detectors for γ rays. 36Si, 37Si, 37,39,40P, 37,39S; deduced levels, J, π, β feedings, logft, %β-n. Systematics of low-lying positive π states in 35,37,39P, and T1/2 in N=20-28 Si isotopes. Comparison with shell model calculations. NUCLEAR STRUCTURE 35,37,39P, 37,39S, 37Si; calculated levels, J, π, logft values. Shell model calculations using the SDPFSDG-MU interaction. Comparison with experimental data from the present experiment, and the evaluated data in the ENSDF database at NNDC.
doi: 10.1103/PhysRevC.100.014323
2019AY04 Phys.Rev.Lett. 123, 102501 (2019) A.D.Ayangeakaa, R.V.F.Janssens, S.Zhu, D.Little, J.Henderson, C.Y.Wu, D.J.Hartley, M.Albers, K.Auranen, B.Bucher, M.P.Carpenter, P.Chowdhury, D.Cline, H.L.Crawford, P.Fallon, A.M.Forney, A.Gade, A.B.Hayes, F.G.Kondev, Krishichayan, T.Lauritsen, J.Li, A.O.Macchiavelli, D.Rhodes, D.Seweryniak, S.M.Stolze, W.B.Walters, J.Wu Evidence for Rigid Triaxial Deformation in 76Ge from a Model-Independent Analysis NUCLEAR REACTIONS 208Pb(76Ge, 76Ge'), E=304, 291, 317 MeV; measured reaction products, Eγ, Iγ. 76Ge; deduced γ-ray energies, E2 matrix elements, quadrupole asymmetry for bands, triaxial deformation.
doi: 10.1103/physrevlett.123.102501
2019BI04 Phys.Rev. C 99, 064302 (2019) S.Biswas, A.Lemasson, M.Rejmund, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, B.Cederwall, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, B.Million, D.R.Napoli, A.Pullia, B.Quintana, D.Ralet, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, M.Zielinska Effects of one valence proton on seniority and angular momentum of neutrons in neutron-rich 122-13151Sb isotopes NUCLEAR REACTIONS 9Be(238U, F)122Sb/123Sb/124Sb/125Sb/126Sb/127Sb/128Sb/129Sb/130Sb/131Sb, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ- and (fragment)γ-coin, T1/2 of isomers by γγ(t) using the VAMOS++ spectrometer for fragment identification and the AGATA array with EXOGAM detectors for γ detection at GANIL. 122,123,124,125,126,127,128,129,130,131Sb; deduced levels, J, π, isomers, bands, and B(E2). Systematics of excitation energies and B(E2) values in 118,119,120,121,122,123,124,125,126,127,128,129,130Sn, 121,122,123,124,125,126,127,128,129,130,131Sb. Comparison with shell model calculations. Discussed neutron-neutron and neutron-proton interactions, and neutron seniority mixings.
doi: 10.1103/PhysRevC.99.064302
2019CL01 Phys.Rev. C 99, 024325 (2019) R.M.Clark, H.L.Crawford, A.O.Macchiavelli, D.Rudolph, A.Saamark-Roth, C.M.Campbell, M.Cromaz, P.Fallon, C.Morse, C.Santamaria α decay of high-spin isomers in N=84 isotones RADIOACTIVITY 144Nd, 145Pm, 146Sm, 147Eu, 148Gd, 149Tb, 150Dy, 151Ho, 152Er, 153Tm, 154Yb, 155Lu, 156Hf, 157Ta, 158W, 159Re(α); calculated half-lives of ground states. 155mLu, 156mHf, 157mTa, 158mW(α); calculated half-lives and α branching ratios for high-spin isomers. Superfluid tunneling model. Comparison with experimental values.
doi: 10.1103/PhysRevC.99.024325
2019CR02 Phys.Rev.Lett. 122, 052501 (2019) H.L.Crawford, P.Fallon, A.O.Macchiavelli, P.Doornenbal, N.Aoi, F.Browne, C.M.Campbell, S.Chen, R.M.Clark, M.L.Cortes, M.Cromaz, E.Ideguchi, M.D.Jones, R.Kanungo, M.MacCormick, S.Momiyama, I.Murray, M.Niikura, S.Paschalis, M.Petri, H.Sakurai, M.Salathe, P.Schrock, D.Steppenbeck, S.Takeuchi, Y.K.Tanaka, R.Taniuchi, H.Wang, K.Wimmer First Spectroscopy of the Near Drip-line Nucleus 40Mg NUCLEAR REACTIONS C(41Ar, X)40Mg, (40Ar, X)38Mg/36Mg, E<345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π. Comparison with shell-model calculations.
doi: 10.1103/PhysRevLett.122.052501
2019EL08 Phys.Rev. C 100, 034317 (2019) B.Elman, A.Gade, R.V.F.Janssens, A.D.Ayangeakaa, D.Bazin, J.Belarge, P.C.Bender, B.A.Brown, C.M.Campbell, M.P.Carpenter, H.L.Crawford, B.P.Crider, P.Fallon, A.M.Forney, J.Harker, S.N.Liddick, B.Longfellow, E.Lunderberg, C.J.Prokop, J.Sethi, R.Taniuchi, W.B.Walters, D.Weisshaar, S.Zhu Probing the role of proton cross-shell excitations in 70Ni using nucleon knockout reactions NUCLEAR REACTIONS 9Be(71Cu, 70Ni), E=80.2 MeV/nucleon; 9Be(71Ni, 70Ni), E=82.6 MeV/nucleon; 9Be(72Zn, 70Ni), E=76.5 MeV/nucleon, [secondary 71Cu, 71Ni, 71Zn beams from 9Be(76Ge, X), E=130 MeV/nucleon primary reaction at the K500 and K1200 coupled cyclotrons of NSCL-MSU]; measured yields of reaction products, Eγ, Iγ, γγ- and (knockout residues)γ-coin using GRETINA array for γ detection, and CsI(Na) hodoscope array for reaction residues. 70Ni; deduced levels, J, π, configurations. Comparison with shell-model calculations for only the neutron excitations using the jj44pna effective interaction.
doi: 10.1103/PhysRevC.100.034317
2019MU03 Phys.Rev. C 99, 011302 (2019) I.Murray, M.MacCormick, D.Bazin, P.Doornenbal, N.Aoi, H.Baba, H.Crawford, P.Fallon, K.Li, J.Lee, M.Matsushita, T.Motobayashi, T.Otsuka, H.Sakurai, H.Scheit, D.Steppenbeck, S.Takeuchi, J.A.Tostevin, N.Tsunoda, Y.Utsuno, H.Wang, K.Yoneda Spectroscopy of strongly deformed 32Ne by proton knockout reactions NUCLEAR REACTIONS 9Be(33Na, 32Ne), (34Mg, 32Ne), E=235, 221 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin, time of flight and energy loss, σ for one- and two-proton knockout reactions populating levels in 32Ne using the ZeroDegree spectrometer for particle identification and the DALI2 array for γ detection at the RIKEN-RIBF facility. 32Ne; deduced first 2+ and 4+ levels, configuration, E(first 4+)/E(first 2+) ratio. Systematics of energies of the first 2+ and 4+ levels in 26,28,30,32,34,36Ne, 28,30,32,34,36,38Mg, 30,32,34,36,38,40Si. Systematics of cross sections of two-proton knockout reactions for residues of 26,28,30,32Ne. Comparison of experimental inclusive and exclusive reaction cross sections with shell-model and eikonal reaction dynamical calculations.
doi: 10.1103/PhysRevC.99.011302
2018GA34 Phys.Rev.Lett. 121, 222501 (2018) J.M.Gates, G.K.Pang, J.L.Pore, K.E.Gregorich, J.T.Kwarsick, G.Savard, N.E.Esker, M.Kireeff Covo, M.J.Mogannam, J.C.Batchelder, D.L.Bleuel, R.M.Clark, H.L.Crawford, P.Fallon, K.K.Hubbard, A.M.Hurst, I.T.Kolaja, A.O.Macchiavelli, C.Morse, R.Orford, L.Phair, M.A.Stoyer First Direct Measurements of Superheavy-Element Mass Numbers RADIOACTIVITY 288Mc, 280Rg, 276Mt, 272Bh(α), 284Nh, 272Bh(α) [from 243Am(48Ca, X)288Mc, E=262 MeV]; measured decay products, Eα, Iα; deduced two α-decay events, first direct measurements of the mass numbers of superheavy elements.
doi: 10.1103/PhysRevLett.121.222501
2018JO01 Phys.Rev. C 97, 024327 (2018) M.D.Jones, A.O.Macchiavelli, M.Wiedeking, L.A.Bernstein, H.L.Crawford, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, I.Y.Lee, M.Salathe, A.Wiens, A.D.Ayangeakaa, D.L.Bleuel, S.Bottoni, M.P.Carpenter, H.M.Davids, J.Elson, A.Gorgen, M.Guttormsen, R.V.F.Janssens, J.E.Kinnison, L.Kirsch, A.C.Larsen, T.Lauritsen, W.Reviol, D.G.Sarantites, S.Siem, A.V.Voinov, S.Zhu Examination of the low-energy enhancement of the γ-ray strength function of 56Fe NUCLEAR REACTIONS 56Fe(p, p'), E=16 MeV; measured Eγ, Iγ, γ(θ) for discrete and continuum γ rays, γ(linear polarization) for primary γ rays, pγγ-coin using GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array) for γ detection and Washington University Phoswich Wall for protons; deduced multipolarity of continuum γ rays, γ-ray strength function (γSF) with the model-independent ratio method, low-energy enhancement, identical shapes for γSFs constructed with 2+ and 4+ final states consistent with Brink hypothesis. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.97.024327
2018LU08 Phys.Rev. C 97, 044312 (2018) R.S.Lubna, V.Tripathi, S.L.Tabor, P.-L.Tai, K.Kravvaris, P.C.Bender, A.Volya, M.Bouhelal, C.J.Chiara, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, E.A.McCutchan, S.Zhu, R.M.Clark, P.Fallon, A.O.Macchiavelli, S.Paschalis, M.Petri, W.Reviol, D.G.Sarantites Intruder configurations of excited states in the neutron-rich isotopes 33P and 34P NUCLEAR REACTIONS 18O(18O, 2np), (18O, np), E=24 MeV; measured Eγ, Iγ, γ(θ), γγ-, pγ-coin using Gammasphere array for γ detection, and 4π Microball scintillator array for charged particle detection at ATLAS-ANL facility. 33,34P; deduced levels, J, π, configurations. Comparison with shell-model calculations using PSDPF interaction. NUCLEAR STRUCTURE 31,32,33,34,35P; calculated levels, J, π using shell-model with the PSDPF interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.97.044312
2018MA05 Phys.Rev. C 97, 011302 (2018); Erratum Phys.Rev. C 97, 094902 (2018) A.O.Macchiavelli, H.L.Crawford, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, M.D.Jones, I.Y.Lee, M.Salathe Analysis of spectroscopic factors in 11Be and 12Be in the Nilsson strong-coupling limit NUCLEAR REACTIONS 10,11Be(d, p)11Be/12Be, 11,12Be(p, d)10Be/11Be, E not given; analyzed spectroscopic factors in the Nilsson strong-coupling limit. Comparison with experimental data, and several theoretical calculations. 12Be(d, p)13Be, 13B(d, 3He)12Be, E not given; calculated spectroscopic factors in the Nilsson scheme. 11Be; calculated magnetic moment of the ground state and compared with experimental data.
doi: 10.1103/PhysRevC.97.011302
2018SI03 Phys.Rev. C 97, 024323 (2018) A.K.Singh, A.Basu, S.Nag, H.Hubel, J.Domscheit, I.Ragnarsson, A.Al-Khatib, G.B.Hagemann, B.Herskind, D.R.Elema, J.N.Wilson, R.M.Clark, M.Cromaz, P.Fallon, A.Gorgen, I.-Y.Lee, D.Ward, W.C.Ma Absence of paired crossing in the positive parity bands of 124Cs NUCLEAR REACTIONS 64Ni(64Ni, 3np), E=265 MeV from the 88-inch cyclotron at Lawrence Berkeley National Laboratory; measured Eγ, Iγ, γγ-coin, γγ(θ) angular distribution ratios using Gammasphere array of 100 Compton-suppressed Ge detectors, enriched target. 124Cs; deduced high-spin levels, J, π, multipolarities, rotational bands, chiral partner bands, configurations, alignments, band crossings; calculated potential-energy surfaces, single-neutron routhians. Comparison with configuration-dependent cranked Nilsson-Strutinsky model calculations.
doi: 10.1103/PhysRevC.97.024323
2018WA22 Phys.Rev. C 98, 024313 (2018) R.Wadsworth, N.S.Kelsall, D.G.Jenkins, I.Ragnarsson, S.M.Fischer, D.P.Balamuth, P.A.Hausladen, G.C.Ball, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Seweryniak, R.M.Clark, P.Fallon, A.O.Macchiavelli, C.E.Svensson, S.J.Freeman, D.G.Sarantites Terminating states in the positive-parity structures of 67As NUCLEAR REACTIONS 40Ca(36Ar, p2α), E=145 MeV; measured Eγ, Iγ, γγ- and (particle)γ-coin, γγ(θ)(DCO) using Gammasphere array for γ detection, and MICROBALL CsI array for charged particles at ATLAS-ANL facility. 67As; deduced levels, J, π, multipolarities, bands, and noncollective terminating states; calculated tilted Fermi-surface plots for protons and neutrons. Comparison with configuration dependent cranked Nilsson-Strutinsky calculations.
doi: 10.1103/PhysRevC.98.024313
2017AL11 Eur.Phys.J. A 53, 62 (2017) J.M.Allmond, C.W.Beausang, T.J.Ross, P.Humby, M.S.Basunia, L.A.Bernstein, D.L.Bleuel, W.Brooks, N.Brown, J.T.Burke, B.K.Darakchieva, K.R.Dudziak, K.E.Evans, P.Fallon, H.B.Jeppesen, J.D.LeBlanc, S.R.Lesher, M.A.McMahan, D.A.Meyer, L.Phair, J.O.Rasmussen, N.D.Scielzo, S.R.Stroberg, M.Wiedeking Particle-γ coincidence spectroscopy of the N = 90 nucleus 154Gd by (p, tγ) NUCLEAR REACTIONS 156Gd(p, tγ)154Gd, E=25 MeV; measured Eγ, Iγ(θ), γ∓coin, E(t), I(t), tγ-coin using segmented Si telescope array and HPGe array; deduced triton energy spectra, σ(θ) to discrete states. 154Gd; deduced level scheme, rotational bands. Compared with other (p, t) and (t, p) data.
doi: 10.1140/epja/i2017-12253-2
2017BO23 Phys.Lett. B 775, 271 (2017) S.Bottoni, S.Zhu, R.V.F.Janssens, M.P.Carpenter, Y.Tsunoda, T.Otsuka, A.O.Macchiavelli, D.Cline, C.Y.Wu, A.D.Ayangeakaa, B.Bucher, M.Q.Buckner, C.M.Campbell, C.J.Chiara, H.L.Crawford, M.Cromaz, H.M.David, P.Fallon, A.Gade, J.P.Greene, J.Harker, A.B.Hayes, C.R.Hoffman, B.P.Kay, A.Korichi, T.Lauritsen, J.Sethi, D.Seweryniak, W.B.Walters, D.Weisshaar, A.Wiens Nucleon correlations and the structure of 7130Zn41 NUCLEAR REACTIONS 70Zn(48Ca, 47Ca)71Zn, E=170 MeV; 197Au(70Zn, X)71Zn, E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, decay scheme, J, π, modest oblate deformation. Comparison with Monte-Carlo shell-model calculations.
doi: 10.1016/j.physletb.2017.11.003
2017CA06 Prog.Part.Nucl.Phys. 94, 68 (2017) J.Carlson, M.P.Carpenter, R.Casten, C.Elster, P.Fallon, A.Gade, C.Gross, G.Hagen, A.C.Hayes, D.W.Higinbotham, C.R.Howell, C.J.Horowitz, K.L.Jones, F.G.Kondev, S.Lapi, A.Macchiavelli, E.A.McCutchan, J.Natowitz, W.Nazarewicz, T.Papenbrock, S.Reddy, M.J.Savage, G.Savard, B.M.Sherrill, L.G.Sobotka, M.A.Stoyer, M.B.Tsang, K.Vetter, I.Wiedenhoever, A.H.Wuosmaa, S.Yennello White paper on nuclear astrophysics and low-energy nuclear physics, Part 2: Low-energy nuclear physics
doi: 10.1016/j.ppnp.2016.11.002
2017CR03 Phys.Rev. C 95, 064317 (2017) H.L.Crawford, A.O.Macchiavelli, P.Fallon, M.Albers, V.M.Bader, D.Bazin, C.M.Campbell, R.M.Clark, M.Cromaz, J.Dilling, A.Gade, A.Gallant, J.D.Holt, R.V.F.Janssens, R.Krucken, C.Langer, T.Lauritsen, I.Y.Lee, J.Menendez, S.Noji, S.Paschalis, F.Recchia, J.Rissanen, A.Schwenk, M.Scott, J.Simonis, S.R.Stroberg, J.A.Tostevin, C.Walz, D.Weisshaar, A.Wiens, K.Wimmer, S.Zhu Unexpected distribution of ν1f7/2 strength in 49Ca NUCLEAR REACTIONS 9Be(48Ca, 47Ca), (50Ca, 49Ca), E not given, [secondary 48,50Ca beams from 9Be(82Se, X), E=140 MeV/nucleon primary reaction, and using A1900 fragment separator at NSCL-MSU]; measured reaction 1n-knockout products using S800 magnetic spectrograph, Eγ, Iγ, γγ-coin, γ(particle) correlated events, using GRETINA array for γ detection, σ(-1n), parallel momentum distributions. 47,49Ca; deduced levels, J, π, l-transfer, γ-ray yields by fitting the data with GEANT4 simulation, spectroscopic factors, configurations, spectroscopic strengths for the 1f7/2 neutron hole states. Comparison with shell-model calculations based on NN+3N force in ν(pf) model space, GXPF1 interaction, and NN+3N including the ν1g9/2 orbital.
doi: 10.1103/PhysRevC.95.064317
2017DO01 Phys.Lett. B 766, 334 (2017) D.T.Doherty, J.M.Allmond, R.V.F.Janssens, W.Korten, S.Zhu, M.Zielinska, D.C.Radford, A.D.Ayangeakaa, B.Bucher, J.C.Batchelder, C.W.Beausang, C.Campbell, M.P.Carpenter, D.Cline, H.L.Crawford, H.M.David, J.P.Delaroche, C.Dickerson, P.Fallon, A.Galindo-Uribarri, F.G.Kondev, J.L.Harker, A.B.Hayes, M.Hendricks, P.Humby, M.Girod, C.J.Gross, M.Klintefjord, K.Kolos, G.J.Lane, T.Lauritsen, J.Libert, A.O.Macchiavelli, P.J.Napiorkowski, E.Padilla-Rodal, R.C.Pardo, W.Reviol, D.G.Sarantites, G.Savard, D.Seweryniak, J.Srebrny, R.Varner, R.Vondrasek, A.Wiens, E.Wilson, J.L.Wood, C.Y.Wu Triaxiality near the 110Ru ground state from Coulomb excitation NUCLEAR REACTIONS 208Pb(110Ru, 110Ru'), E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energy spectrum, B(E2) using GOSIA fit of the experimental data, level scheme, J, π, triaxial deformation. Comparison with available data.
doi: 10.1016/j.physletb.2017.01.031
2017KI09 Eur.Phys.J. A 53, 162 (2017) Y.H.Kim, A.Lemasson, M.Rejmund, A.Navin, S.Biswas, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.De France, P.Fallon, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.O.Macchiavelli, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert, C.Schmitt Prompt-delayed γ-ray spectroscopy with AGATA, EXOGAM and VAMOS++ NUCLEAR REACTIONS 9Be(238U, f), (238U, x), E=6.2 MeV/nucleon; measured fission fragments using VAMOS++ spectrometer (MWPC ToF, 2 drift chambers, segmented ionization chamber), prompt Eγ, Iγ, γγ-coin using AGATA γ-ray tracking array, delayed Eγ, Iγ using EXOGAM HPGe Clover detectors; deduced event correlations between AGATA, VAMOS++ and EXOGAM, fragment mass distributions, deduced tracked Doppler corrected γ-ray spectra. 132Te; deduced levels, J, π, isomeric transitions to demonstrate the performance of the new setup. 94Y, 122,124Sn, 132,134Te; deduced isomeric transitions T1/2.
doi: 10.1140/epja/i2017-12353-y
2017MA72 Phys.Rev. C 96, 054302 (2017) A.O.Macchiavelli, H.L.Crawford, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, M.D.Jones, I.Y.Lee, A.L.Richard, M.Salathe Spectroscopic factors in the N=20 island of inversion: The Nilsson strong-coupling limit NUCLEAR REACTIONS C(33Mg, 32Mg), E=400, 898 MeV/nucleon; 9Be(32Mg, 31Mg), E=75.7 MeV/nucleon; analyzed recent experimental data on 1n-removal reactions in the rotational strong coupling limit; calculated spectroscopic factors using standard Nilsson parameters and empirical adjustment of experimental data for nuclei in the N=20 island of inversion.
doi: 10.1103/PhysRevC.96.054302
2017MA77 Phys.Lett. B 775, 160 (2017) A.O.Macchiavelli, H.L.Crawford, P.Fallon, C.M.Campbell, R.M.Clark, M.Cromaz, M.D.Jones, I.Y.Lee, M.Salathe Structure of 29F in the rotation-aligned coupling scheme of the particle-rotor model NUCLEAR STRUCTURE 29F, 28O; analyzed available data using the Rotation-aligned Coupling Scheme; deduced energy levels and deformations.
doi: 10.1016/j.physletb.2017.10.041
2017RI06 Phys.Rev. C 96, 011303 (2017) A.L.Richard, H.L.Crawford, P.Fallon, A.O.Macchiavelli, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, M.D.Jones, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, J.Rissanen, M.Salathe, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Strongly coupled rotational band in 33Mg NUCLEAR REACTIONS 9Be(46Ar, 33Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction at NSCL-MSU facility]; measured reaction products, Eγ, Iγ, (33Mg)γ-, γγ-coin using S800 spectrograph for particle identification and GRETINA array for γ detection. 33Mg; deduced low-energy yrast levels, J, π, rotational band, ground-state magnetic moment, and intrinsic quadrupole moment. Comparison with strong-coupling limit of a rotational model.
doi: 10.1103/PhysRevC.96.011303
2017TA18 Phys.Rev. C 96, 014323 (2017) P.-L.Tai, S.L.Tabor, R.S.Lubna, K.Kravvaris, P.C.Bender, V.Tripathi, A.Volya, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, E.A.McCutchan, S.Zhu, R.M.Clark, P.Fallon, S.Paschalis, M.Petri, A.O.Macchiavelli, W.Reviol, D.G.Sarantites Cross-shell excitations in 31Si NUCLEAR REACTIONS 18O(18O, nα)31Si, E=24 MeV; measured Eα, Eγ, Iγ, γγ-, αγ-coin using Gammasphere and Microball detector arrays at ATLAS-ANL facility. 31Si; deduced levels, J, π, configurations, radiative decays from neutron-unbound levels. Comparison with resonances observed previously in 30Si(n, n) reaction, and with shell-model calculations using USDA and WBP cross-shell interactions. NUCLEAR STRUCTURE 29,31,33Si; calculated levels, J, π using shell model with the WBP-b interaction. Comparison with experimental data. 30Si(d, p)31Si; calculated single-neutron spectroscopic factors using the USDA (WBP-b) interaction, and compared with experimental data.
doi: 10.1103/PhysRevC.96.014323
2017TR02 Phys.Rev. C 95, 024308 (2017) V.Tripathi, R.S.Lubna, B.Abromeit, H.L.Crawford, S.N.Liddick, Y.Utsuno, P.C.Bender, B.P.Crider, R.Dungan, P.Fallon, K.Kravvaris, N.Larson, A.O.Macchiavelli, T.Otsuka, C.J.Prokop, A.L.Richard, N.Shimizu, S.L.Tabor, A.Volya, S.Yoshida β decay of 38, 40Si (Tz =+5, +6) to low-lying core excited states in odd-odd 38-40P isotopes RADIOACTIVITY 38,40Si(β-), (β-n)[from 9Be(48Ca, X), E=140 MeV/nucleon using A1900 separator at NSCL-MSU facility]; measured Eγ, Iγ, Eβ, γγ-coin, β-correlated γ spectra, half-lives and delayed-neutron probabilities (Pn) of decays of 38Si and 40Si using planar germanium double-sided strip detector (GeDSSD) and SeGA array. 38,40P; deduced levels, J, π, β feedings log ft values. Comparison with known experimental level schemes of 34 and 36P, and with shell model calculations using SDPF-MU interaction. 36,38,40Si(β-); calculated half-lives and log ft values of decays of Si isotopes, beta-delayed neutron probabilities (Pn) using shell model, and compared with experimental values. NUCLEAR STRUCTURE 34,36,38,40P; calculated levels, J, π, proton and neutron occupancies for the ground state and the three excited 1+ states, Gamow-Teller matrix elements for the 1+ states. Shell model calculations with SDPF-MU interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.024308
2017VO01 Phys.Rev. C 95, 024316 (2017) A.Vogt, B.Birkenbach, P.Reiter, A.Blazhev, M.Siciliano, K.Hadynska-Klek, J.J.Valiente-Dobon, C.Wheldon, E.Teruya, N.Yoshinaga, K.Arnswald, D.Bazzacco, M.Bowry, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, S.J.Freeman, B.Fu, A.Gadea, K.Geibel, W.Gelletly, A.Gengelbach, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, R.Hirsch, H.Hua, P.R.John, J.Jolie, A.Jungclaus, L.Kaya, W.Korten, I.Y.Lee, S.Leoni, L.Lewandowski, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, C.J.Pearson, L.Pellegri, Zs.Podolyak, G.Pollarolo, A.Pullia, M.Queiser, F.Radeck, F.Recchia, P.H.Regan, D.Rosiak, N.Saed-Samii, E.Sahin, F.Scarlassara, D.Schneiders, M.Seidlitz, B.Siebeck, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, V.Vandone, D.D.Warner, A.Wiens, C.Y.Wu, K.O.Zell Isomers and high-spin structures in the N=81 isotones 135Xe and 137Ba NUCLEAR REACTIONS 238U(136Xe, X), E=1 GeV; 208Pb(136Xe, X), E=930 MeV; 198Pt(136Xe, X), E=850 MeV; 130Te(11B, 3np)137Ba, E=54 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin, γγ-coin, (TKEL)γ-coin, half-lives of isomers by γγ(t). Four experiments carried out using 136Xe beam with 208Pb and 238U targets using PRISMA magnetic mass spectrometer and AGATA demonstrator array at Legnaro PIAVE+ALPI accelerator, 136Xe beam with 198Pt target using GAMMASPHERE and CHICO particle detector arrays at LBNL-cyclotron facility, and 11B beam with 130Te target using HORUS array at Cologne FN Tandem accelerator. 135Xe, 137Ba; deduced levels, J, π, isomers, configurations, B(E2). Comparison with shell-model calculations. Systematics of levels and isomers in N=81 nuclides 131Sn, 133Te, 135Xe, 137Ba, 139Ce, 141Nd, 143Sm and 145Gd. NUCLEAR STRUCTURE 135Xe, 137Ba; calculated levels, J, π, B(E2) using large-scale shell-model with PQM130 and SN100PN interactions, average proton occupation numbers in each single particle orbit of the gdsh model space. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.024316
2017VO06 Phys.Rev. C 96, 024321 (2017) A.Vogt, M.Siciliano, B.Birkenbach, P.Reiter, K.Hadynska-Klek, C.Wheldon, J.J.Valiente-Dobon, E.Teruya, N.Yoshinaga, K.Arnswald, D.Bazzacco, A.Blazhev, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, C.Fransen, S.J.Freeman, B.Fu, A.Gadea, W.Gelletly, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, R.Hetzenegger, R.Hirsch, H.Hua, P.R.John, J.Jolie, A.Jungclaus, V.Karayonchev, L.Kaya, W.Korten, I.Y.Lee, S.Leoni, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, C.J.Pearson, Zs.Podolyak, G.Pollarolo, A.Pullia, M.Queiser, F.Recchia, P.H.Regan, J.-M.Regis, N.Saed-Samii, E.Sahin, F.Scarlassara, M.Seidlitz, B.Siebeck, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, D.D.Warner, K.Wolf, C.Y.Wu, K.O.Zell High-spin structures in 132Xe and 133Xe and evidence for isomers along the N=79 isotones NUCLEAR REACTIONS 208Pb(136Xe, X)132Xe/133Xe, E=6.84 MeV/nucleon from the PIAVE+ALPI accelerator complex at LNL-Legnaro; 198Pt(136Xe, X)132Xe/133Xe, E=6.25 MeV/nucleon from the LBNL cyclotron facility; 130Te(α, nγ), (α, 2nγ), E=19 MeV from Cologne FN Tandem accelerator; measured Eγ, Iγ, γγ-, (particle)γ-coin using Advanced GAmma Tracking Array (AGATA) in a demonstrator configuration, and magnetic spectrometer PRISMA for particle identification, (particle)γ-coin using Gammasphere array and CHICO gas-detector array, γγ(θ) using HORUS array at Cologne. 132,133Xe; deduced high-spin levels, J, π, half-life of a micro-sec isomer in 133Xe with Jπ=(23/2+), multipolarities, mixing ratios. Comparison with shell-model calculations using PQM130 and SN100PN interactions. Systematics of level energies in N=78 and 79 isotones from Z=50 to 64, and even-A A=120-136 Xe isotopes.
doi: 10.1103/PhysRevC.96.024321
2016BE24 Phys.Rev. C 94, 034303 (2016) N.Benczer-Koller, G.J.Kumbartzki, K.-H.Speidel, D.A.Torres, S.J.Q.Robinson, Y.Y.Sharon, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, A.Wiens Magnetic moment and lifetime measurements of Coulomb-excited states in 106Cd NUCLEAR REACTIONS 12C(106Cd, 106Cd'), E=410 MeV; measured particle spectra using Si surface-barrier detector, Eγ, Iγ, (particle)γ-coin using four clover HPGe detectors, g factors by the transient-field technique, level half-lives by DSAM at LBNL cyclotron facility. Coulomb excitation. 106Cd; deduced levels, J, B(E2). Comparison with large-scale shell-model, and collective model calculations.
doi: 10.1103/PhysRevC.94.034303
2016CR01 Phys.Rev. C 93, 031303 (2016) H.L.Crawford, P.Fallon, A.O.Macchiavelli, A.Poves, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, A.L.Richard, J.Rissanen, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Rotational band structure in 32Mg NUCLEAR REACTIONS 9Be(46Ar, 32Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, (32Mg)γ-, γγ-coin using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 32Mg; deduced levels, J, π, rotational band in a nuclide in "island of inversion", configuration. Comparison with large-scale shell model calculations using ANTOINE code with the SDPF-U-MIX effective two-body interaction.
doi: 10.1103/PhysRevC.93.031303
2016KU05 Phys.Rev. C 93, 044316 (2016) G.J.Kumbartzki, N.Benczer-Koller, K.-H.Speidel, D.A.Torres, J.M.Allmond, P.Fallon, I.Abramovic, L.A.Bernstein, J.E.Bevins, H.L.Crawford, Z.E.Guevara, G.Gurdal, A.M.Hurst, L.Kirsch, T.A.Laplace, A.Lo, E.F.Matthews, I.Mayers, L.W.Phair, F.Ramirez, S.J.Q.Robinson, Y.Y.Sharon, A.Wiens Z = 50 core stability in 110Sn from magnetic-moment and lifetime measurements NUCLEAR REACTIONS 12C(106Cd, 8Be)110Sn, 12C(106Cd, 12C)106Cd, E=390, 400, 410 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin, γγ(θ), level half-lives using DSAM and lineshape analysis, g factors using transient field technique at LBNL 88-Inch Cyclotron facility, multi-layered target of carbon, gadolinium, tantalum and copper layers. 110Sn; deduced levels, J, π, B(E2), magnetic moments, configurations, no evidence for excitation of protons from the closed Z=50 core. Comparison with previous experimental results, and with shell model calculations. Systematics of B(E2) values for the first 2+ states in A=104-130, even-even Sn nuclei. NUCLEAR MOMENTS 110Sn; measured g factors using transient field technique in 12C(106Cd, 8Be) reaction at 410 MeV, and using a multi-layered target; deduced magnetic moments. Comparison with shell model calculations. Systematics of g factors for the first 2+ states in A=104-130, even-even Sn nuclei.
doi: 10.1103/PhysRevC.93.044316
2016MA73 Phys.Rev. C 94, 051303 (2016) A.O.Macchiavelli, H.L.Crawford, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, M.D.Jones, I.Y.Lee, M.Salathe, B.A.Brown, A.Poves The 30Mg(t, p)32Mg "puzzle" reexamined NUCLEAR STRUCTURE 32Mg; calculated energies and wave-function amplitudes of first three 0+ states, mixing strength required to reproduce the experimental energy of the second 0+ state. Phenomenological three-level mixing model of unperturbed 0p0h, 2p2h, and 4p4h states. NUCLEAR REACTIONS 30Mg(t, p)32Mg, E not given; calculated cross-section ratio σ(second 0+)/σ(first 0+) in 2n-transfer reaction using 32Mg wave-function amplitudes from three-level mixing model calculations. Comparison with experimental data, and resolution of the puzzle resulting from a two-state mixing model.
doi: 10.1103/PhysRevC.94.051303
2016NA29 Phys.Rev. C 94, 034307 (2016) S.Nag, A.K.Singh, G.B.Hagemann, G.Sletten, B.Herskind, T.Dossing, I.Ragnarsson, H.Hubel, A.Burger, S.Chmel, A.N.Wilson, J.Rogers, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, S.Zhu, A.Korichi, E.A.Stefanova, P.Fallon, B.M.Nyako, J.Timar, K.Juhasz Observation of high-spin bands with large moments of inertia in 124Xe NUCLEAR REACTIONS 80Se(48Ca, 4n)124Xe, E=207 MeV; measured Eγ, Iγ, γγ-coin using GAMMASPHERE array at ATLAS-ANL facility. 124Xe; deduced high-spin levels, J, π, bands, moment of inertia plots, configurations; calculated total-energy surface contours Comparison with cranked Nilsson-Strutinsky calculations. Systematics of alignment plots in 120Te, 125I, 124,125,126Xe, 124Ba, 132Ce.
doi: 10.1103/PhysRevC.94.034307
2016VA07 Phys.Rev. C 94, 024324 (2016) P.Van Isacker, A.O.Macchiavelli, P.Fallon, S.Zerguine Properties of isoscalar-pair condensates
doi: 10.1103/PhysRevC.94.024324
2016VO04 Phys.Rev. C 93, 054325 (2016) A.Vogt, B.Birkenbach, P.Reiter, A.Blazhev, M.Siciliano, J.J.Valiente-Dobon, C.Wheldon, D.Bazzacco, M.Bowry, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, S.J.Freeman, A.Gadea, K.Geibel, W.Gelletly, A.Gengelbach, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, H.Hua, P.R.John, J.Jolie, A.Jungclaus, W.Korten, I.Y.Lee, S.Leoni, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, C.J.Pearson, L.Pellegri, Zs.Podolyak, G.Pollarolo, A.Pullia, F.Radeck, F.Recchia, P.H.Regan, E.Sahin, F.Scarlassara, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, V.Vandone, D.Ward, D.D.Warner, A.Wiens, C.Y.Wu High-spin structure of 134Xe NUCLEAR REACTIONS 198Pt(136Xe, 134Xe), E=850 MeV; 208Pb(136Xe, 134Xe), E=930 MeV; 238U(136Xe, 134Xe), E=1 GeV; measured Eγ, Iγ, γγ-coin, γ(θ), time-of-flight total kinetic energy loss (TKEL) using Gammasphere and Chico arrays at LBNL cyclotron facility for the 198Pt+136Xe reaction, and PRISMA spectrometer, Dante and AGATA arrays at PIAVE+ALPI accelerator complex for the 208Pb+136Xe and 238U+136Xe reactions. 134Xe; deduced high-spin levels, J, π, multipolarity, configurations. Comparison with shell-model calculations using the jj55 effective interaction.
doi: 10.1103/PhysRevC.93.054325
2016WI01 Phys.Rev. C 93, 024303 (2016) M.Wiedeking, M.Krticka, L.A.Bernstein, J.M.Allmond, M.S.Basunia, D.L.Bleuel, J.T.Burke, B.H.Daub, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, P.T.Lake, A.C.Larsen, I.-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo, A.Volya γ-ray decay from neutron-bound and unbound states in 95Mo and a novel technique for spin determination NUCLEAR REACTIONS 94Mo(d, p), E=5.5 MeV/nucleon; measured Ep, Eγ, Iγ, pγ-, pγγ-coin using STARS-LIBERACE detector array at LBNL, cyclotron facility. 95Mo; deduced levels, J, π, γ-branching ratios, average γ-ray emission probabilities. Novel method for spin determination. Comparison with ENSDF evaluation, statistical gamma-ray cascade model calculations, and with shell-model calculations.
doi: 10.1103/PhysRevC.93.024303
2015DA12 Phys.Rev.Lett. 115, 132502 (2015) H.M.David, J.Chen, D.Seweryniak, F.G.Kondev, J.M.Gates, K.E.Gregorich, I.Ahmad, M.Albers, M.Alcorta, B.B.Back, B.Baartman, P.F.Bertone, L.A.Bernstein, C.M.Campbell, M.P.Carpenter, C.J.Chiara, R.M.Clark, M.Cromaz, D.T.Doherty, G.D.Dracoulis, N.E.Esker, P.Fallon, O.R.Gothe, J.P.Greene, P.T.Greenlees, D.J.Hartley, K.Hauschild, C.R.Hoffman, S.S.Hota, R.V.F.Janssens, T.L.Khoo, J.Konki, J.T.Kwarsick, T.Lauritsen, A.O.Macchiavelli, P.R.Mudder, C.Nair, Y.Qiu, J.Rissanen, A.M.Rogers, P.Ruotsalainen, G.Savard, S.Stolze, A.Wiens, S.Zhu Decay and Fission Hindrance of Two- and Four-Quasiparticle K Isomers in 254Rf NUCLEAR REACTIONS 206Pb(50Ti, 2n)254Rf, E=242.5 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced energy levels, J, π, isomer T1/2, unprecedented fission hindrance relative to the ground state. Comparison with multiquasiparticle calculations.
doi: 10.1103/PhysRevLett.115.132502
2015GA24 Phys.Rev. C 92, 021301 (2015) J.M.Gates, K.E.Gregorich, O.R.Gothe, E.C.Uribe, G.K.Pang, D.L.Bleuel, M.Block, R.M.Clark, C.M.Campbell, H.L.Crawford, M.Cromaz, A.Di Nitto, Ch.E.Dullmann, N.E.Esker, C.Fahlander, P.Fallon, R.M.Farjadi, U.Forsberg, J.Khuyagbaatar, W.Loveland, A.O.Macchiavelli, E.M.May, P.R.Mudder, D.T.Olive, A.C.Rice, J.Rissanen, D.Rudolph, L.G.Sarmiento, J.A.Shusterman, M.A.Stoyer, A.Wiens, A.Yakushev, H.Nitsche Decay spectroscopy of element 115 daughters: 280Rg → 276Mt and 276Mt → 272Bh NUCLEAR REACTIONS 243Am(48Ca, 3n)288Mc, E=262 MeV; measured evaporation residues (EVRs) by magnetic rigidities, Eα, SF-like events, decay chains using corner-cube-clover (C3) focal plane detector consisting of silicon-strip detectors surrounded by HPGe clover-type detectors, and DSSSDs for α particles at LBNL cyclotron facility; deduced data for forty-six decay chains from the decay of 288Mc and its α daughter products 284Nh, 280Rg, 276Mt, 272Bh, 268Db, the 268Db decaying by SF events. RADIOACTIVITY 276Mt, 280Rg(α)[from α decay chain of 288Mc formed in 243Am(48Ca, 3n), E=262 MeV at LBNL cyclotron facility]; measured Eα, Iα, Eγ, Iγ, E(x rays), αγ-, α(x ray)-, γγ-coin, half-lives of 276Mt and 280Rg isotopes. 272Bh, 276Mt; deduced levels, multipolarities, α hindrance factors. GEANT4 simulations of α and photon spectra. No K-x rays were definitely assigned thus uncertain Z identification.
doi: 10.1103/PhysRevC.92.021301
2015HE22 Phys.Rev. C 92, 024315 (2015) T.W.Henry, M.A.Bentley, R.M.Clark, P.J.Davies, V.M.Bader, T.Baugher, D.Bazin, C.W.Beausang, J.S.Berryman, A.M.Bruce, C.M.Campbell, H.L.Crawford, M.Cromaz, P.Fallon, A.Gade, J.Henderson, H.Iwasaki, D.G.Jenkins, I.Y.Lee, A.Lemasson, S.M.Lenzi, A.O.Macchiavelli, D.R.Napoli, A.J.Nichols, S.Paschalis, M.Petri, F.Recchia, J.Rissanen, E.C.Simpson, S.R.Stroberg, R.Wadsworth, D.Weisshaar, A.Wiens, C.Walz Triplet energy differences and the low lying structure of 62Ga NUCLEAR REACTIONS 9Be(64Ga, 62Ga), (65Ge, 62Ga), E not given, [secondary 64Ga and 65Ge beams extracted using A1900 separator from 9Be(78Kr, X), E=150 MeV/nucleon primary reaction]; measured Eγ, Iγ, 62Ga particle spectra, (62Ga)γ-, γγ-coin using Gamma-Ray Energy Tracking In-Beam Nuclear Array (GRETINA) for γ rays and S800 spectrograph and cathode readout drift chambers for particles at NSCL-MSU facility. 62Ga; deduced levels populated by 2n and 1p2n knockout reactions, J, π, isospin using triplet energy differences (TED) as guide. Comparison with shell-model predictions of low lying T=0 and T=1 states using ANTOINE and LNPS interactions. Cross section calculations for the knockout process. COMPILATION A=22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 74; reviewed systematics of triplet energy differences (TED) for the known T=1, 2+ states.
doi: 10.1103/PhysRevC.92.024315
2015PE09 Phys.Lett. B 748, 173 (2015) M.Petri, P.Fallon, A.O.Macchiavelli, S.Heil, E.Rodriguez-Vieitez, D.Bazin, C.M.Campbell, R.M.Clark, M.Cromaz, A.Gade, T.Glasmacher, I.Y.Lee, S.Malbrunot-Ettenauer, S.Paschalis, A.Ratkiewicz, J.R.Terry, D.Weisshaar, M.Wiedeking Competing particle-hole excitations in 30Na: Constraining state-of-the-art effective interactions NUCLEAR REACTIONS 9Be(31Mg, p)30Na, E=93 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, band structure. Comparison with shell model calculations using the SDPF-M interaction.
doi: 10.1016/j.physletb.2015.06.067
2015RO27 Phys.Rev. C 92, 064313 (2015) D.G.Roux, W.C.Ma, G.B.Hagemann, H.Amro, D.R.Elema, P.Fallon, A.Gorgen, B.Herskind, H.Hubel, Y.Li, A.O.Macchiavelli, J.C.Marsh, G.Sletten, D.Ward, J.N.Wilson Toward complete spectroscopy of 167Lu NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=203 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using Gammasphere array at LBNL cyclotron facility. 167Lu; deduced high-spin levels, J, π, multipolarity, rotational bands, triaxial strongly-deformed (TSD) bands, alignments, dynamic moments of inertia, band crossings, zero- and one-phonon wobbling, and multiquasiparticle excitations, quasiparticle and Nilsson configurations. Comparison with cranked shell model calculations, and with previous experimental results. Calculated quasiparticle Routhians as function of rotational frequency.
doi: 10.1103/PhysRevC.92.064313
2015SM03 Phys.Rev. C 92, 064314 (2015) D.Smalley, H.Iwasaki, P.Navratil, R.Roth, J.Langhammer, V.M.Bader, D.Bazin, J.S.Berryman, C.M.Campbell, J.Dohet-Eraly, P.Fallon, A.Gade, C.Langer, A.Lemasson, C.Loelius, A.O.Macchiavelli, C.Morse, J.Parker, S.Quaglioni, F.Recchia, S.R.Stroberg, D.Weisshaar, K.Whitmore, K.Wimmer Lifetime measurements of 17C excited states and three-body and continuum effects NUCLEAR REACTIONS 9Be(18C, 17C), E=74.2 MeV/nucleon, [secondary 18C beam from 9Be(22Ne, X), E=120 MeV/nucleon primary reaction using A1900 fragment separator at NSCL-MSU]; measured one-neutron knockout reaction products, Eγ, Iγ, (particle)γ-coin using GRETINA array for γ rays, and S800 spectrograph for particles, level half-lives using RDM method and a plunger device. 17C; deduced levels, J, π, B(M1). Comparison with importance-truncated no-core shell model (IT-NCSM), and importance-truncated no-core shell model with continuum (IT-NCSMC) calculations.
doi: 10.1103/PhysRevC.92.064314
2015WH02 Phys.Rev. C 91, 041303 (2015) K.Whitmore, D.Smalley, H.Iwasaki, T.Suzuki, V.M.Bader, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, P.Fallon, A.Gade, C.Langer, A.Lemasson, C.Loelius, A.O.Macchiavelli, C.Morse, T.Otsuka, J.Parker, F.Recchia, S.R.Stroberg, D.Weisshaar, K.Wimmer Magnetic response of the halo nucleus 19C studied via lifetime measurement NUCLEAR REACTIONS 9Be, Ta(20N, 19C), E=74 MeV/nucleon, [secondary 20N beam from 9Be(22Ne, X), E=120 MeV/nucleon primary reaction]; measured reaction products using A1900 separator, Eγ, Iγ, (particle)γ-, γγ-coin, half-life of the first excited state from line-shape and recoil-distance methods using GRETINA array at NSCL-MSU facility. 19C; deduced levels, J, π, B(M1), configuration. One-neutron halo nucleus populated in one-proton knockout reaction. Comparison with shell-model calculations using several different interactions.
doi: 10.1103/PhysRevC.91.041303
2015ZE02 Eur.Phys.J. A 51, 50 (2015) T.Zerrouki, C.M.Petrache, R.Leguillon, K.Hauschild, A.Korichi, A.Lopez-Martens, S.Frauendorf, I.Ragnarsson, H.Hubel, A.Neusser-Neffgen, A.Al-Khatib, P.Bringel, A.Burger, N.Nenoff, G.Schonwasser, A.K.Singh, D.Curien, G.B.Hagemann, B.Herskind, G.Sletten, P.Fallon, A.Gorgen, P.Bednarczyk Shape evolution and magnetic rotation in 141Nd NUCLEAR REACTIONS 96Zr(48Ca, 3n), E not given; measured Eγ, Iγ, γγ-coin using EUROBALL spectrometer. 141Nd deduced levels, J, π, γ transitions, high-spin states, γ transitions multipolarity, γ anisotropy, quadrupole high-spin bands; calculated interpretation of high-spin bands, deformation, quadrupole moment, inertia moment, triaxial deformation, shape evolution, B(M1), B(E2), neutron single-particle Routhians using cranked Nilsson-Strutinsky and tilted axis cranking models.
doi: 10.1140/epja/i2015-15050-y
2014CR02 Phys.Rev. C 89, 041303 (2014) H.L.Crawford, P.Fallon, A.O.Macchiavelli, R.M.Clark, B.A.Brown, J.A.Tostevin, D.Bazin, N.Aoi, P.Doornenbal, M.Matsushita, H.Scheit, D.Steppenbeck, S.Takeuchi, H.Baba, C.M.Campbell, M.Cromaz, E.Ideguchi, N.Kobayashi, Y.Kondo, G.Lee, I.Y.Lee, J.Lee, K.Li, S.Michimasa, T.Motobayashi, T.Nakamura, S.Ota, S.Paschalis, M.Petri, T.Sako, H.Sakurai, S.Shimoura, M.Takechi, Y.Togano, H.Wang, K.Yoneda Shell and shape evolution at N = 28: The 40Mg ground state NUCLEAR REACTIONS C(42Si, 40Mg), [42Si secondary beam from 9Be(48Ca, X), E=345 MeV/nucleon], E=238 MeV/nucleon; measured reaction products, inclusive σ for the production of 40Mg through two-proton knockout using BigRIPS and ZDS spectrometers at RIBF-RIKEN facility. 40Mg; deduced σ for ground state; calculated levels, J, π, σ, probabilities of the prolate contributions in 42Si and 40Mg ground-state wave functions using SDPF-MU and SDPFU-Si shell-models with eikonal reaction theory.
doi: 10.1103/PhysRevC.89.041303
2014FO05 Phys.Rev. C 89, 017303 (2014) N.Fotiades, J.A.Cizewski, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, W.Younes High-spin states in 124Te NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV; 176Yb(23Na, X), E=129 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission using Gammasphere array at LBNL cyclotron facility. 124Te; deduced high-spin levels, J, π, yrast structure, configurations. Systematics of yrast positive-parity structures in 116,118,120,122,124,126,128Sn and 118,120,122,124,126,128,130Te.
doi: 10.1103/PhysRevC.89.017303
2014MA97 Phys.Rev. C 90, 067305 (2014) A.O.Macchiavelli, M.Petri, P.Fallon, S.Paschalis, R.M.Clark, M.Cromaz, I.Y.Lee Phenomenological analysis of B(E2) transition strengths in neutron-rich carbon isotopes NUCLEAR STRUCTURE 14,16,18,20C; analyzed B(E2) transition strengths for first 2+ states using a seniority based scheme; increase in collectivity explained as due to increased role of proton excitations. Prediction of B(E2) for first 2+ state in 22C.
doi: 10.1103/PhysRevC.90.067305
2014NA30 Phys.Rev. C 90, 037302 (2014) S.Nag, P.Singh, A.K.Singh, A.Burger, M.P.Carpenter, S.Chmel, P.Fallon, G.B.Hagemann, B.Herskind, H.Hubel, R.V.F.Janssens, K.Juhasz, T.L.Khoo, F.G.Kondev, A.Korichi, T.Lauritsen, B.M.Nyako, I.Ragnarsson, J.Rogers, G.Sletten, J.Timar, A.N.Wilson, S.Zhu Revised level structure of 120Te NUCLEAR REACTIONS 80Se(48Ca, 4nα), E=207 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using Gammasphere array. 120Te; deduced high-spin levels, J, π, multipolarity, rotational bands. Comparison with cranked Nilsson-Strutinsky model calculations.
doi: 10.1103/PhysRevC.90.037302
2014RI07 Phys.Rev. C 90, 044324 (2014) J.Rissanen, R.M.Clark, A.O.Macchiavelli, P.Fallon, C.M.Campbell, A.Wiens Effect of the reduced pairing interaction on α-decay half-lives of multi-quasiparticle isomeric states RADIOACTIVITY A=105-260(α); 155mLu, 156mHf, 157mTa, 158mW, 178mHf, 211m,212mPo, 214mRn, 213m,214m,216mRa, 216mTh, 217mPa, 218mU(α); analyzed pairing gaps from partial α half-lives for 341 g.s. to g.s. α decays, pairing gap reduction in multi-quasiparticle states; calculated α decay half-lives with and without the pairing reduction using the superfluid tunneling theory and the Royer formula. Discussed spin and parity assignments for α-decaying isomeric states of multi-qp character. Comparison with experimental results.
doi: 10.1103/PhysRevC.90.044324
2014RO25 Phys.Rev. C 90, 044323 (2014) T.J.Ross, R.O.Hughes, J.M.Allmond, C.W.Beausang, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.W.Phair, J.J.Ressler, N.D.Scielzo Spectroscopy of 153Gd and 157Gd using the (p, dγ) reaction NUCLEAR REACTIONS 154,158Gd(p, d), E=25 MeV; measured Eγ, Iγ, E(d), I(d), dγ-, dγγ-coin, d(θ) in coincidence with γ rays using STARS and LIBERACE arrays at LBNL cyclotron facility. 153,157Gd; deduced levels, J, π, L-transfers, Nilsson assignments. DWBA analysis of angular distribution data. Comparison with previous experimental results. Discussed residual effects of a neutron subshell closure at N=64.
doi: 10.1103/PhysRevC.90.044323
2014WI04 Nucl.Data Sheets 119, 258 (2014) M.Wiedeking, L.A.Bernstein, J.M.Allmond, M.S.Basunia, D.L.Bleuel, J.T.Burke, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, M.Krticka, P.T.Lake, A.C.Larsen, I.-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo Photon Strength Function at Low Energies in 95Mo NUCLEAR REACTIONS 94Mo(d, p), E=11 MeV; measured Eγ, Iγ, Ep, Ip, pγ-coin, charged particles using STARS-LIBERACE array; deduced γ-ray strength function energy dependence below 7 MeV using also (3He, α) data reference; calculated γ-ray strength function using various assumptions on reaction mechanism.
doi: 10.1016/j.nds.2014.08.071
2013CR02 Phys.Rev.Lett. 110, 242701 (2013) H.L.Crawford, R.M.Clark, P.Fallon, A.O.Macchiavelli, T.Baugher, D.Bazin, C.W.Beausang, J.S.Berryman, D.L.Bleuel, C.M.Campbell, M.Cromaz, G.de Angelis, A.Gade, R.O.Hughes, I.Y.Lee, S.M.Lenzi, F.Nowacki, S.Paschalis, M.Petri, A.Poves, A.Ratkiewicz, T.J.Ross, E.Sahin, D.Weisshaar, K.Wimmer, R.Winkler Quadrupole Collectivity in Neutron-Rich Fe and Cr Isotopes NUCLEAR REACTIONS Bi(66Fe, 66Fe'), (68Fe, 68Fe'), (64Cr, 64Cr'), E<130 MeV/nucleon; measured reaction products, Eγ, Iγ. 66,68Fe, 64Cr; deduced σ, B(E2). Comparison with state-of-the-art large-scale shell-model calculations within the full fpgd neutron orbital model space using the Lenzi-Nowacki-Poves-Sieja effective interaction.
doi: 10.1103/PhysRevLett.110.242701
2013FO31 Phys.Rev. C 88, 064315 (2013) N.Fotiades, J.A.Cizewski, K.Higashiyama, N.Yoshinaga, E.Teruya, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, W.Younes Medium-spin states in 135Cs NUCLEAR REACTIONS 208Pb(18O, X)135Cs, E=91 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at LBNL cyclotron facility. 135Cs; deduced high-spin levels, J, π, B(E2), configuration. 85,86Br, 95Y; observed γ from complementary fission fragments. Systematics of level structures in 133I, 134Xe, 135Cs, 136Ba. Comparison with shell-model calculations. NUCLEAR STRUCTURE 135Cs; calculated levels, J, π, B(E2) using shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.064315
2013KU07 Phys.Rev. C 87, 044323 (2013) I.Kuti, J.Timar, D.Sohler, E.S.Paul, K.Starosta, A.Astier, D.Bazzacco, P.Bednarczyk, A.J.Boston, N.Buforn, H.J.Chantler, C.J.Chiara, R.M.Clark, M.Cromaz, M.Descovich, Zs.Dombradi, P.Fallon, D.B.Fossan, C.Fox, A.Gizon, J.Gizon, A.A.Hecht, N.Kintz, T.Koike, I.Y.Lee, S.Lunardi, A.O.Macchiavelli, P.J.Nolan, B.M.Nyako, C.M.Petrache, J.A.Sampson, H.C.Scraggs, T.G.Tornyi, R.Wadsworth, A.Walker, L.Zolnai Medium- and high-spin band structure of the chiral candidate 132La NUCLEAR REACTIONS 100Mo(36S, 3np), E=160 MeV; 116Cd(23Na, 3nα), E=115 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γ(θ, lin pol), conversion coefficients using the EUROBALL array at IReS, Strasbourg, and Gammasphere array. 132La; deduced high-spin levels, J, π, multipolarity, bands, B(M1)/B(E2), alignments, Routhians, configurations, chiral partners. Comparison with band structure in 134Pr.
doi: 10.1103/PhysRevC.87.044323
2013LE22 Phys.Rev. C 88, 014323 (2013) R.Leguillon, C.M.Petrache, T.Zerrouki, T.Konstantinopoulos, K.Hauschild, A.Korichi, A.Lopez-Martens, S.Frauendorf, I.Ragnarsson, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, P.Nieminen, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, H.Hubel, A.Neusser-Neffgen, A.Al-Khatib, A.Burger, N.Nenoff, A.K.Singh, D.Curien, G.B.Hagemann, B.Herskind, G.Sletten, P.Fallon, A.Gorgen, P.Bednarczyk, D.M.Cullen High-spin spectroscopy of 140Nd NUCLEAR REACTIONS 96Zr(48Ca, 4n), E=180, 195 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) using the JUROGAM II+RITU+GREAT setup at Jyvaskyla and the EUROBALL array at the IRS in Strasbourg. Recoil-decay tagging technique. 140Nd; deduced high-spin levels, J, π, multipolarity, bands, alignments, configurations, B(M1)/B(E2), stable triaxial shape at high spin; calculated potential energy surface contours in (β2, γ) plane, single-particle Routhians using cranked Nilsson-Strutinsky and tilted axis cranking models.
doi: 10.1103/PhysRevC.88.014323
2013NA31 Phys.Rev. C 88, 044335 (2013) S.Nag, A.K.Singh, I.Ragnarsson, H.Hubel, A.Al-Khatib, P.Bringel, C.Engelhardt, A.Neusser-Neffgen, G.B.Hagemann, B.Herskind, G.Sletten, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, R.M.Clark, P.Fallon, G.Benzoni, A.Bracco, F.Camera, P.Chowdhury Collective and noncollective excitations in 122Te NUCLEAR REACTIONS 82Se(48Ca, 4nα), E=200 MeV; measured Eγ, Iγ, γγ-coin, 3- and 4-fold γγ coincidences, γγ(θ)(ADO ratios) using Gammasphere array at ATLAS-ANL facility. 122Te; deduced high-spin levels, J, π, multipolarities, bands, configurations, alignments, dynamic moments of inertia; calculated total energy surface contours. Comparison with cranked Nilsson-Strutinsky model calculations. Systematics of band properties in 122Te, 125I, 125,126Xe, 132Ce.
doi: 10.1103/PhysRevC.88.044335
2013RI07 Phys.Rev. C 88, 044313 (2013) J.Rissanen, R.M.Clark, K.E.Gregorich, J.M.Gates, C.M.Campbell, H.L.Crawford, M.Cromaz, N.E.Esker, P.Fallon, U.Forsberg, O.Gothe, I.-Y.Lee, H.L.Liu, A.O.Machiavelli, P.Mudder, H.Nitsche, G.Pang, A.Rice, D.Rudolph, M.A.Stoyer, A.Wiens, F.R.Xu Decay of the high-K isomeric state to a rotational band in 257Rf NUCLEAR REACTIONS 208Pb(50Ti, n), (50Ti, 2n), E=238, 243, 258 MeV; measured time-of-flight for Rf implantation events, recoil-electron, recoil-electron-α, recoil-electron-fission events, Eγ, Iγ, ce, Eα, γ(recoil electron)-, γ(recoil electron)-fission coin, delayed γ and ce, half-lives of ground state and isomers at LBNL cyclotron facility. 257Rf; deduced high-spin levels, J, π, multipolarity, band, high-K isomer, [gK-gR]/Q0 ratios, configurations of 1-qp and 3-qp states, hindrance factor. 256Rf; deduced levels, K-isomers, J, π, multipolarity, configurations. RADIOACTIVITY 257Rf, 253No(α)[257Rf from 208Pb(50Ti, n), E=238, 243, 258 MeV]; measured Eα. 249Fm, 253No; deduced levels.
doi: 10.1103/PhysRevC.88.044313
2013RO23 Phys.Rev. C 88, 031301 (2013) T.J.Ross, R.O.Hughes, C.W.Beausang, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.W.Phair, J.J.Ressler, N.D.Scielzo Remnants of spherical shell structures in deformed nuclei: The impact of an N=64 neutron subshell closure on the structure of N≈90 gadolinium nuclei NUCLEAR REACTIONS 154,156,158Gd(p, d), E=25 MeV; measured deuteron and γ spectra, dγ-, γγ-coin, σ(θ) for deuterons using STARS and LIBERACE detector systems at LBNL facility. DWBA analysis of σ(θ) data. 153,155, 157Gd; deduced low-energy levels, J, π, Nilsson configurations, persistence of spherical shell structure.
doi: 10.1103/PhysRevC.88.031301
2012BE11 Phys.Rev. C 85, 044305 (2012) P.C.Bender, S.L.Tabor, V.Tripathi, C.R.Hoffman, L.Hamilton, A.Volya, R.M.Clark, P.Fallon, A.O.Macchiavelli, S.Paschalis, M.Petri, M.P.Carpenter, R.V .F.Janssens, T.Lauritsen, E.A.McCutchan, D.Seweryniak, S.Zhu, C.J.Chiara, X.Chen, W.Reviol, D.G.Sarantites, Y.Toh Multi-intruder structures in 34P NUCLEAR REACTIONS 18O(18O, np), E=24 MeV; measured Eγ, Iγ, γ(θ), γγ-, (proton)γ-coin, half-lives by DSA using Gammasphere array and Microball. 34P; deduced levels, J, π, branching ratios, multipolarity, mixing ratio, B(M1), B(E1), B(E2), B(M2), B(E3) strengths. Comparisons with shell-model calculations.
doi: 10.1103/PhysRevC.85.044305
2012FO25 Eur.Phys.J. A 48, 117 (2012) N.Fotiades, J.A.Cizewski, R.Krucken, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, W.Younes States built on the 9/2+ isomers in 91, 93Y NUCLEAR REACTIONS 173Yb(24Mg, X), E=134.5 MeV;176Yb(23Na, X), E=129 MeV; measured Eγ, Iγ, γγ-coin. 91,93Y deduced transition scheme, levels, J, π, isomeric states excitation. Deduced nuclear levels systematics around Yb using present work and data.
doi: 10.1140/epja/i2012-12117-3
2012NA01 Phys.Rev. C 85, 014310 (2012) S.Nag, A.K.Singh, A.N.Wilson, J.Rogers, H.Hubel, A.Burger, S.Chmel, I.Ragnarsson, G.Sletten, B.Herskind, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, S.Zhu, A.Korichi, H.Ha, P.Fallon, A.O.Macchiavelli, B.M.Nyako, J.Timar, K.Juhasz Collective and noncollective states in 120Te NUCLEAR REACTIONS 80Se(48Ca, 4nα), E=207 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using Gammasphere array. 120Te; deduced levels, J, π, multipolarity, high-spin rotational bands, non-collective states, moments of inertia; calculated Routhians, total energy surfaces. Comparison with cranked Nilsson-Strutinsky model calculations.
doi: 10.1103/PhysRevC.85.014310
2012PE16 Phys.Rev. C 86, 044329 (2012) M.Petri, S.Paschalis, R.M.Clark, P.Fallon, A.O.Macchiavelli, K.Starosta, T.Baugher, D.Bazin, L.Cartegni, H.L.Crawford, M.Cromaz, U.Datta Pramanik, G.de Angelis, A.Dewald, A.Gade, G.F.Grinyer, S.Gros, M.Hackstein, H.B.Jeppesen, I.Y.Lee, S.McDaniel, D.Miller, M.M.Rajabali, A.Ratkiewicz, W.Rother, P.Voss, K.A.Walsh, D.Weisshaar, M.Wiedeking, B.A.Brown, C.Forssen, P.Navratil, R.Roth Structure of 16C: Testing shell model and ab initio approaches NUCLEAR REACTIONS 9Be(17N, X)16O, E=72 MeV/nucleon, [17N secondary beam from 9Be(22Ne, X), E=150 MeV/nucleon primary reaction]; measured Eγ, Iγ, σ, half-life of first 2+ state in 16O by RDM plunger method using SeGA array at NSCL facility. 16C; deduced levels, J, π, B(E2), spectroscopic factors and proton amplitude of first 2+ state, gamma-ray branching ratios from second 2+ state. Comparison of with shell-model calculations using three interactions.
doi: 10.1103/PhysRevC.86.044329
2012RO14 Phys.Rev. C 85, 051304 (2012) T.J.Ross, C.W.Beausang, R.O.Hughes, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.Phair, J.J.Ressler, N.D.Scielzo, I.J.Thompson Measurement of the entry-spin distribution imparted to the high excitation continuum region of gadolinium nuclei via (p, d) and (p, t) reactions NUCLEAR REACTIONS 154,158Gd(p, d), (p, t), E=25 MeV; measured particle and γ spectra, pγ-, dγ-, tγ-coin, σ(θ) using STARS-LIBERACE array; deduced entry spin distribution for the highly excited quasicontinuum in light-ion transfer reactions. DWBA analysis of σ(θ) data. 153,156Gd; deduced levels, J, π, l-transfer.
doi: 10.1103/PhysRevC.85.051304
2012RO42 Phys.Rev. C 86, 067301 (2012) T.J.Ross, C.W.Beausang, R.O.Hughes, N.D.Scielzo, J.T.Burke, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.Phair, J.J.Ressler Spectroscopy of 88Y by the (p, dγ) reaction NUCLEAR REACTIONS 89Y(p, d), E=25 MeV; measured E(d), I(d), Eγ, Iγ, dγ-coin, yields using STARS array for deuterons and LIBERACE array for γ rays at LBNL cyclotron facility. 88Y; deduced levels, branching ratios. 89Y(p, p'), (p, p'n), E=25 MeV; measured Ep, Ip, pγ-coin.
doi: 10.1103/PhysRevC.86.067301
2012SC10 Phys.Rev. C 85, 054619 (2012) N.D.Scielzo, J.E.Escher, J.M.Allmond, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, J.T.Burke, R.M.Clark, F.S.Dietrich, P.Fallon, J.Gibelin, B.L.Goldblum, S.R.Lesher, M.A.McMahan, E.B.Norman, L.Phair, E.Rodriguez-Vieitez, S.A.Sheets, I.J.Thompson, M.Wiedeking Statistical γ rays in the analysis of surrogate nuclear reactions NUCLEAR REACTIONS 154,155,156,158Gd(p, p'), E=21.7 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin using STARS-LiBerACE at LBNL cyclotron facility; deduced γ-ray emission probability. 155,157Gd(n, γ), E<3.5 MeV; deduced cross section ratios by surrogate analyses using statistical and discrete γ-rays. Comparison with reaction theory. Surrogate nuclear reaction technique.
doi: 10.1103/PhysRevC.85.054619
2012SI04 Phys.Rev. C 85, 034319 (2012) P.Singh, A.K.Singh, A.N.Wilson, J.Rogers, H.Hubel, A.Burger, S.Chmel, I.Ragnarsson, G.Sletten, B.Herskind, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, S.Zhu, A.Korichi, H.Ha, P.Fallon, B.M.Nyako, J.Timar, K.Juhasz Core excitations beyond maximally aligned configurations in 123I NUCLEAR REACTIONS 80Se(48Ca, 4np)123I, E=207 MeV; measured Eγ, Iγ, γγ-coin, angular asymmetry ratios using Gammasphere array. 123I; deduced high-spin levels, J, π, multipolarity, bands, configurations, alignments; calculated potential energy surfaces. Comparison with Cranked Nilsson-Strutinsky calculations.
doi: 10.1103/PhysRevC.85.034319
2012SI21 Phys.Rev. C 86, 067305 (2012) P.Singh, A.K.Singh, A.N.Wilson, I.Ragnarsson, H.Hubel, A.Burger, M.P.Carpenter, S.Chmel, P.Fallon, G.B.Hagemann, B.Herskind, H.Ha, R.V.F.Janssens, K.Juhasz, A.Kardan, T.L.Khoo, F.G.Kondev, A.Korichi, T.Lauritsen, B.M.Nyako, J.Rogers, G.Sletten, J.Timar, S.Zhu High-spin rotational bands in 123I NUCLEAR REACTIONS 80Se(48Ca, 4np)123I, E=207 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array. 123I; deduced high-spin levels, J, π, bands, alignments, configurations; calculated potential energy surface contours. Cranked Nilsson-Strutinsky model calculations.
doi: 10.1103/PhysRevC.86.067305
2012TA20 Phys.Rev.Lett. 109, 182501 (2012) S.Takeuchi, M.Matsushita, N.Aoi, P.Doornenbal, K.Li, T.Motobayashi, H.Scheit, D.Steppenbeck, H.Wang, H.Baba, D.Bazin, L.Caceres, H.Crawford, P.Fallon, R.Gernhauser, J.Gibelin, S.Go, S.Grevy, C.Hinke, C.R.Hoffman, R.Hughes, E.Ideguchi, D.Jenkins, N.Kobayashi, Y.Kondo, R.Krucken, T.Le Bleis, J.Lee, G.Lee, A.Matta, S.Michimasa, T.Nakamura, S.Ota, M.Petri, T.Sako, H.Sakurai, S.Shimoura, K.Steiger, K.Takahashi, M.Takechi, Y.Togano, R.Winkler, K.Yoneda Well Developed Deformation in 42Si NUCLEAR REACTIONS C(44S, 42Si), (40S, 38Si), E=210 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ coin. 38,40,42Si; deduced energy levels, J, π, rapid deformation development of Si isotopes. Comparison with available data.
doi: 10.1103/PhysRevLett.109.182501
2012VO05 Phys.Rev. C 86, 011303 (2012) P.Voss, T.Baugher, D.Bazin, R.M.Clark, H.L.Crawford, A.Dewald, P.Fallon, A.Gade, G.F.Grinyer, H.Iwasaki, A.O.Macchiavelli, S.McDaniel, D.Miller, M.Petri, A.Ratkiewicz, W.Rother, K.Starosta, K.A.Walsh, D.Weisshaar, C.Forssen, R.Roth, P.Navratil Excited-state transition-rate measurements in 18C NUCLEAR REACTIONS 9Be(19Ne, p)18C, [19Ne secondary beam from 9Be(22Ne, X), E=120 MeV/nucleon primary beam], E=72 MeV/nucleon; measured time-of-flight, energy loss, Eγ, Iγ, (18C)γ-coin using SeGA array, level half-lives by RDM method using the Koln/NSCL plunger device. 18C; deduced levels, J, π, B(E2) of first two 2+ states. 14,18C; comparison of experimental values of level energies, B(E2), B(M1) and quadrupole moment of first two 2+ states with calculations using large-scale ab initio no-core shell model calculations. Inclusion of three-body forces to explain low-lying states in A=18 system.
doi: 10.1103/PhysRevC.86.011303
2012WA35 Phys.Rev. C 86, 064319 (2012) D.Ward, A.O.Macchiavelli, R.M.Clark, D.Cline, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, A.Gorgen, A.B.Hayes, G.J.Lane, I.-Y.Lee, T.Nakatsukasa, G.Schmidt, F.S.Stephens, C.E.Svensson, R.Teng, K.Vetter, C.Y.Wu Band structure of 235U NUCLEAR REACTIONS 235U(136Xe, 136Xe'), E=720 MeV; 235U(40Ca, 40Ca'), E=184 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin, Coulomb excitation yields, γ branching ratios using Gammasphere, 8π and CHICO arrays. 235U; deduced high-spin levels, J, π, B(M1), B(E2), B(E3) from Winther-deBoer analysis, gK, magnetic decoupling parameter, rotational bands, configurations. Analyzed coriolis interaction in j15/2 orbital. Comparison with quasiparticle random phase approximation (QRPA) calculations for B(E3). Discussed E3 correlations and Coriolis effects.
doi: 10.1103/PhysRevC.86.064319
2012WI04 Phys.Rev.Lett. 108, 162503 (2012) M.Wiedeking, L.A.Bernstein, M.Krticka, D.L.Bleuel, J.M.Allmond, M.S.Basunia, J.T.Burke, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, P.T.Lake, I-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo Low-Energy Enhancement in the Photon Strength of 95Mo NUCLEAR REACTIONS 94Mo(d, p), E=11 MeV; measured reaction products, Eπ, Iπ, Eγ, Iγ, γ-γ-coin.; deduced photon strength functions, low-energy enhancement. Comparison with available data, quadratic fit.
doi: 10.1103/PhysRevLett.108.162503
2011AL02 Phys.Rev. C 83, 024306 (2011) A.Al-Khatib, G.B.Hagemann, G.Sletten, A.K.Singh, H.Amro, G.Benzoni, A.Bracco, P.Bringel, F.Camera, M.P.Carpenter, P.Chowdhury, R.M.Clark, C.Engelhardt, P.Fallon, B.Herskind, H.Hubel, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, A.Neusser-Neffgen, C.R.Hansen High-spin spectroscopy in 125Xe NUCLEAR REACTIONS 82Se(48Ca, 5n)125Xe, E=205 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios, half-lives by DSAM using Gammasphere array. 125Xe; deduced levels, Jπ, rotational bands, multipolarities, highly-deformed bands, transition quadrupole moments from lifetime data, moment of inertia plots, configurations, alignments, band crossings. Calculated potential energy surfaces, Routhians using cranked shell model calculations (CSM).
doi: 10.1103/PhysRevC.83.024306
2011BE57 J.Phys.:Conf.Ser. 312, 092017 (2011) J.S.Berryman, R.M.Clark, K.E.Gregorich, J.M.Allmond, D.L.Bleuel, R.J.Cooper, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, O.Gothe, H.B.Jeppesen, D.Kaji, I.Y.Lee, A.O.Macchiavelli, K.Morimoto, H.Nitsche, S.Paschalis, M.Petri, J.Qian, L.Stavsetra, F.S.Stephens, M.A.Stoyer, T.J.Ross, H.Watanabe, M.Wiedeking Nuclear spectroscopy of the heaviest elements: studies of 254No, 257Rf, and 261Sg NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=221 MeV;208Pb(50Ti, n), E=238 MeV;208Pb(54Cr, n), E=261 MeV; measured Eγ, Iγ using HPGe, recoils using MWPC, Eα, Iα, E(e), I(e), eγ-coin. 254No, 257Rf deduced levels, J, π, γ transitions, isomeric transition T1/2, bands, 257Rf α-decay T1/2, 254No g-factor.
doi: 10.1088/1742-6596/312/9/092017
2011BH07 Phys.Rev. C 84, 024313 (2011) S.Bhowal, G.Gangopadhyay, C.M.Petrache, I.Ragnarsson, A.K.Singh, S.Bhattacharya, H.Hubel, A.Neusser-Neffgen, A.Al-Khatib, P.Bringel, A.Burger, N.Nenoff, G.Schonwasser, G.B.Hagemann, B.Herskind, D.R.Jensen, G.Sletten, P.Fallon, A.Gorgen, P.Bednarczyk, D.Curien, A.Korichi, A.Lopez-Martens, B.V.T.Rao, T.S.Reddy, N.Singh Development of collective structures over noncollective excitations in 139Nd NUCLEAR REACTIONS 96Zr(48Ca, 5n), E=195 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using Euroball array. 139Nd; deduced levels, J, π, bands, dipole bands, multipolarity, high-spin configuration. Comparison with cranked-Nilsson-Strutinsky (CNS) calculations.
doi: 10.1103/PhysRevC.84.024313
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