NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = C.M.Campbell Found 119 matches. Showing 1 to 100. [Next]2023CA13 Phys.Rev. C 108, 035807 (2023) L.Canete, D.T.Doherty, G.Lotay, D.Seweryniak, C.M.Campbell, M.P.Carpenter, W.N.Catford, K.A.Chipps, J.Henderson, R.G.Izzard, R.V.F.Janssens, H.Jayatissa, J.Jose, A.R.L.Kennington, F.G.Kondev, A.Korichi, T.Lauritsen, C.Muller-Gatermann, C.Paxman, Zs.Podolyak, B.J.Reed, P.H.Regan, W.Reviol, M.Siciliano, G.L.Wilson, R.Yates, S.Zhu Confirmation of a new resonance in 26Si and contribution of classical novae to the galactic abundance of 26Al
doi: 10.1103/PhysRevC.108.035807
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
2023HO06 Phys.Rev. C 107, 064311 (2023) C.R.Hoffman, R.S.Lubna, E.Rubino, S.L.Tabor, K.Auranen, P.C.Bender, C.M.Campbell, M.P.Carpenter, J.Chen, M.Gott, J.P.Greene, D.E.M.Hoff, T.Huang, H.Iwasaki, F.G.Kondev, T.Lauritsen, B.Longfellow, C.Santamaria, D.Seweryniak, T.L.Tang, G.L.Wilson, J.Wu, S.Zhu Experimental study of the 38S excited level scheme NUCLEAR REACTIONS 18O(22Ne, 2p)38S, E=48.5 MeV; measured recoils, Eγ, Iγ γγ-coin, γγ(θ) (recoils)γ-coin. 38S; deduced levels, J, π, δ, ratio of the angular yields, configurations, occupancy numbers. Machine-learning techniques used in the analysis of the data. Comparison to shell-model calculations with FSU interaction. Systematics of yrast states properties for 36Si, 38S, 40Ar, 42Ca. GRETINA array consisting of 12 HPGe modules coupled with Fragment Mass Analyzer (FMA) at Argonne Tandem Linear Accelerator System (ATLAS) facility (ANL).
doi: 10.1103/PhysRevC.107.064311
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
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
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
2021EL06 Phys.Rev. C 104, 024307 (2021) R.Elder, H.Iwasaki, J.Ash, D.Bazin, P.C.Bender, T.Braunroth, C.M.Campbell, H.L.Crawford, B.Elman, A.Gade, M.Grinder, N.Kobayashi, B.Longfellow, T.Mijatovic, J.Pereira, A.Revel, D.Rhodes, D.Weisshaar Lifetime measurements probing collectivity in the ground-state band of 32Mg NUCLEAR REACTIONS 9Be(34Si, 32Mg), (34Si, 30Mg), E=60 MeV/nucleon, [secondary 34Si beam from 9Be(48Ca, X), E=140 meV/nucleon primary reaction, followed by separation of fragments using A1900 fragment separator at the NSCL-Coupled Cyclotron Facility]; measured reaction products by time-of-flight and energy-loss measurements using the S800 spectrograph, Eγ, Iγ, (32Mg)γ-coin, half-lives of the first 2+ and 4+ levels in 32Mg and first 2+ in 30Mg using GRETINA array for γ detection and TRIPLEX plunger device. 30,32Mg; deduced levels, J, π, B(E2). Comparison with shell-model calculations using SDPF-M, SDPF-U-MIX, AMPGCM, EKK, USDA and CHFB+LQRPA interactions, and with previous experimental B(E2) results. Systematics of measured B(E2) for first 2+ state in even-even Z=12 isotopes from N=16 to N=24, and those of theoretical B(E2) from N=16 to N=28.
doi: 10.1103/PhysRevC.104.024307
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
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
2020MA37 Phys.Rev.Lett. 125, 102502 (2020) N.Marginean, D.Little, Y.Tsunoda, S.Leoni, R.V.F.Janssens, B.Fornal, T.Otsuka, C.Michelagnoli, L.Stan, F.C.L.Crespi, C.Costache, R.Lica, M.Sferrazza, A.Turturica, A.D.Ayangeakaa, K.Auranen, M.Barani, P.C.Bender, S.Bottoni, M.Boromiza, A.Bracco, S.Calinescu, C.M.Campbell, M.P.Carpenter, P.Chowdhury, M.Ciemala, N.Cieplicka-Orynczak, D.Cline, C.Clisu, H.L.Crawford, I.E.Dinescu, J.Dudouet, D.Filipescu, N.Florea, A.M.Forney, S.Fracassetti, A.Gade, I.Gheorghe, A.B.Hayes, I.Harca, J.Henderson, A.Ionescu, L.W.Iskra, M.Jentschel, F.Kandzia, Y.H.Kim, F.G.Kondev, G.Korschinek, U.Koster, Krishichayan, M.Krzysiek, T.Lauritsen, J.Li, R.Marginean, E.A.Maugeri, C.Mihai, R.E.Mihai, A.Mitu, P.Mutti, A.Negret, C.R.Nita, A.Olacel, A.Oprea, S.Pascu, C.Petrone, C.Porzio, D.Rhodes, D.Seweryniak, D.Schumann, C.Sotty, S.M.Stolze, R.Suvaila, S.Toma, S.Ujeniuc, W.B.Walters, C.Y.Wu, J.Wu, S.Zhu, S.Ziliani Shape Coexistence at Zero Spin in 64Ni Driven by the Monopole Tensor Interaction NUCLEAR REACTIONS 62Ni(18O, 16O), E=39 MeV; 65Cu(11B, 12C), E=26 MeV; 63Ni(n, γ), E thermal; measured reaction products, Eγ, Iγ; analyzed available data from multiple experiments. 64Ni; deduced γ-ray energies, J, π, B(E2). Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.125.102502
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
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
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
2019EL09 Phys.Rev. C 100, 041301 (2019) R.Elder, H.Iwasaki, J.Ash, D.Bazin, P.C.Bender, T.Braunroth, B.A.Brown, C.M.Campbell, H.L.Crawford, B.Elman, A.Gade, M.Grinder, N.Kobayashi, B.Longfellow, A.O.Macchiavelli, T.Mijatovic, J.Pereira, A.Revel, D.Rhodes, J.A.Tostevin, D.Weisshaar Intruder dominance in the 0+2 state of 32Mg studied with a novel technique for in-flight decays NUCLEAR REACTIONS 9Be(34Si, 32Mg), (34Si, 31Mg), E=86 MeV/nucleon, [secondary 34Si beam from 9Be(48Ca, X), E=140 MeV/nucleon and separated using A1900 fragment separator at NSCL-MSU]; measured reaction products identified by time-of-flight and energy-loss measurements using the S800 spectrograph, Eγ, Iγ, (particle)γ-coin, level half-life for the first excited 0+ state using GRETINA array. 32Mg; deduced levels, excited 0+ level, B(E2) for excited 0+ to the first 2+ state. Comparison with B(E2) values for the first 2+ and excited 0+ states in 30,32Mg and 34Si. New method to study isomeric states decaying in-flight. Discussed collective behavior of the first excited 0+ state in 32Mg. 31Mg; deduced levels, isomer half-life.
doi: 10.1103/PhysRevC.100.041301
2019GA15 Phys.Rev.Lett. 122, 222501 (2019) A.Gade, B.A.Brown, J.A.Tostevin, D.Bazin, P.C.Bender, C.M.Campbell, H.L.Crawford, B.Elman, K.W.Kemper, B.Longfellow, E.Lunderberg, D.Rhodes, D.Weisshaar Is the Structure of 42Si Understood? NUCLEAR REACTIONS 9Be(43P, 42Si), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ. 42Si; deduced γ-ray energies, partial proton removal σ. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.122.222501
2019SP02 Phys.Rev. C 99, 051304 (2019) M.Spieker, A.Gade, D.Weisshaar, B.A.Brown, J.A.Tostevin, B.Longfellow, P.Adrich, D.Bazin, M.A.Bentley, J.R.Brown, C.M.Campbell, C.Aa.Diget, B.Elman, T.Glasmacher, M.Hill, B.Pritychenko, A.Ratkiewicz, D.Rhodes One-proton and one-neutron knockout reactions from N = Z = 28 56Ni to the A = 55 mirror pair 55Co and 55Ni NUCLEAR REACTIONS 9Be(56Ni, 55Co), (56Ni, 55Ni), E=85.9 MeV/nucleon, [secondary 56Ni beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction, followed by separation using A1900 fragment separator]; measured Eγ, Iγ, partial σ, and parallel momentum distributions using SeGA array for γ detection, and S800 magnetic spectrograph for knockout residues at the NSCL-MSU facility. 55Co, 55Ni; deduced levels, J, π, mirror energy differences (MEDs) between 55Co and 55Ni, configurations. Comparison with large scale shell model calculations.
doi: 10.1103/PhysRevC.99.051304
2019SP06 Phys.Rev. C 100, 061303 (2019) M.Spieker, D.Weisshaar, A.Gade, B.A.Brown, P.Adrich, D.Bazin, M.A.Bentley, J.R.Brown, C.M.Campbell, C.Aa.Diget, B.Elman, T.Glasmacher, M.Hill, B.Longfellow, B.Pritychenko, A.Ratkiewicz, D.Rhodes, J.A.Tostevin Experimental identification of the T=1, Jπ=6+ state of 54Co and isospin symmetry in A=54 studied via one-nucleon knockout reactions NUCLEAR REACTIONS 9Be(55Co, 54Co), (55Co, 54Fe), E not given, [secondary 55Co beam from 9Be(58Ni, X), E=160 MeV/nucleon, followed by separation of 55Co using A1900 fragment separator at NSCL-MSU]; measured projectile-like reaction residues, Eγ, Iγ, (particle)γ-coin using the S800 spectrograph for particles and SeGA array for γ rays. 54Co, 54Fe; deduced levels, J, π, cross sections for population of levels. Comparison with large-scale-shell-model (LSSM) calculations; investigated possible isospin-symmetry breaking in the A=54, T=1 triplet through the isobaric mass multiplet equation (IMME).
doi: 10.1103/PhysRevC.100.061303
2019TI09 Phys.Rev. C 100, 045805 (2019) R.Titus, E.M.Ney, R.G.T.Zegers, D.Bazin, J.Belarge, P.C.Bender, B.A.Brown, C.M.Campbell, B.Elman, J.Engel, A.Gade, B.Gao, E.Kwan, S.Lipschutz, B.Longfellow, E.Lunderberg, T.Mijatovic, S.Noji, J.Pereira, J.Schmitt, C.Sullivan, D.Weisshaar, J.C.Zamora Constraints for stellar electron-capture rates on 86Kr via the 86Kr(t, 3He+γ)86Br reaction and the implications for core-collapse supernovae NUCLEAR REACTIONS 86Kr, 12C, 14N(t, 3He), E=115 MeV/nucleon, [tritons from 9Be(16O, X), E=150 MeV/nucleon primary reaction, and separated using A1900 fragment separator]; measured 3He spectra, Eγ, Iγ, γγ- and (3He)γ-coin, differential σ(θ) using S800 spectrograph for particles and GRETINA array for γ detection at the NSCL-MSU facility. Data from 12C 14N present as contaminants used for energy calibration. 86Br; deduced levels, L-transfers, Gamow-Teller strength distributions. 86Kr; calculated electron capture rates at T=10 GK using the deduced Gamow-Teller strength distributions. Comparison with shell-model and quasiparticle random-phase approximation (QRPA) calculations. Z=26-41, N=75-93; calculated electron capture rates for 78 nuclides near N=50 and Z=28 (see 2018Ti02) using quasiparticle random-phase approximation (QRPA), with Jπ assignments made for ground states of some nuclides using Gallagher-Moszkowski (GM) rule. Relevance to astrophysical simulations of core-collapse supernovae.
doi: 10.1103/PhysRevC.100.045805
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
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
2018MO30 Phys.Lett. B 787, 198 (2018) C.Morse, H.Iwasaki, A.Lemasson, A.Dewald, T.Braunroth, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, A.Gade, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer Lifetime measurement of the 2+1 state in 74Rb and isospin properties of quadrupole transition strengths at N=Z NUCLEAR REACTIONS 9Be(74Kr, 74Rb), E=93 MeV/nucleon; measured reaction products, Eγ, Iγ. 74Rb; deduced γ-ray energies, J, π, level lifetimes, B(E2). Recoil Distance Doppler Shift (RDDS) technique.
doi: 10.1016/j.physletb.2018.10.064
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
2017BU07 Phys.Rev.Lett. 118, 152504 (2017) B.Bucher, S.Zhu, C.Y.Wu, R.V.F.Janssens, R.N.Bernard, L.M.Robledo, T.R.Rodriguez, D.Cline, A.B.Hayes, A.D.Ayangeakaa, M.Q.Buckner, C.M.Campbell, M.P.Carpenter, J.A.Clark, H.L.Crawford, H.M.David, C.Dickerson, J.Harker, C.R.Hoffman, B.P.Kay, F.G.Kondev, T.Lauritsen, A.O.Macchiavelli, R.C.Pardo, G.Savard, D.Seweryniak, R.Vondrasek Direct Evidence for Octupole Deformation in 146Ba and the Origin of Large E1 Moment Variations in Reflection-Asymmetric Nuclei NUCLEAR REACTIONS 208Pb(146Ba, 146Ba'), E=659 MeV; measured reaction products, Eγ, Iγ. 144,146,148Ba; deduced energy levels, J, π, B(Eλ), quadrupole and octupole deformation parameters. Calculated HFB potential energy surfaces, neutron single-particle energies. Coulomb excitation, comparison with available data.
doi: 10.1103/PhysRevLett.118.152504
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
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
2017PR01 Nucl.Instrum.Methods Phys.Res. A846, 50 (2017) V.S.Prasher, M.Cromaz, E.Merchan, P.Chowdhury, H.L.Crawford, C.J.Lister, C.M.Campbell, I.Y.Lee, A.O.Macchiavelli, D.C.Radford, A.Wiens Sensitivity of GRETINA position resolution to hole mobility
doi: 10.1016/j.nima.2016.11.038
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
2016BU02 Phys.Rev.Lett. 116, 112503 (2016) B.Bucher, S.Zhu, C.Y.Wu, R.V.F.Janssens, D.Cline, A.B.Hayes, M.Albers, A.D.Ayangeakaa, P.A.Butler, C.M.Campbell, M.P.Carpenter, C.J.Chiara, J.A.Clark, H.L.Crawford, M.Cromaz, H.M.David, C.Dickerson, E.T.Gregor, J.Harker, C.R.Hoffman, B.P.Kay, F.G.Kondev, A.Korichi, T.Lauritsen, A.O.Macchiavelli, R.C.Pardo, A.Richard, M.A.Riley, G.Savard, M.Scheck, D.Seweryniak, M.K.Smith, R.Vondrasek, A.Wiens Direct Evidence of Octupole Deformation in Neutron-Rich 144Ba NUCLEAR REACTIONS 208Pb(144Ba, 144Ba'), E=650 MeV; measured reaction products, Eγ, Iγ. 144Ba; deduced yields, E2 and E3 matrix elements, quadrupole moments, deformation parameters, B(E2), B(E3). Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.116.112503
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
2016LO10 Phys.Rev. C 94, 024340 (2016) C.Loelius, H.Iwasaki, B.A.Brown, M.Honma, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, T.Braunroth, C.M.Campbell, A.Dewald, A.Gade, N.Kobayashi, C.Langer, I.Y.Lee, A.Lemasson, E.Lunderberg, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer Lifetime measurement of the 4+1 state of 58Ni with the recoil distance method NUCLEAR REACTIONS 9Be(74Kr, 58Ni), E=93 MeV/nucleon, [secondary 74Kr beam from 9Be(78Kr, X), E=150 MeV/nucleon]; measured reaction products, Eγ, Iγ, (58Ni ions)γ-coin, half-life of the first 4+ state in 58Ni by recoil distance Doppler shift method using Triple Plunger for Exotic Beams (TRIPLEX) coupled with GRETINA array and the S800 spectrograph at NSCL-MSU facility. 58Ni; deduced level, B(E2) for the first 4+ state. Comparison with GXPF1A shell-model calculations, and with previous measurements.
doi: 10.1103/PhysRevC.94.024340
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
2016RE20 Phys.Rev. C 94, 054324 (2016) F.Recchia, D.Weisshaar, A.Gade, J.A.Tostevin, R.V.F.Janssens, M.Albers, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.Chen, C.J.Chiara, H.L.Crawford, C.R.Hoffman, F.G.Kondev, A.Korichi, C.Langer, T.Lauritsen, S.N.Liddick, E.Lunderberg, S.Noji, C.Prokop, S.R.Stroberg, S.Suchyta, K.Wimmer, S.Zhu Neutron single-particle strengths at N=40, 42: Neutron knockout from 68, 70Ni ground and isomeric states NUCLEAR REACTIONS 9Be(68Ni, 67Ni), E=85 MeV/nucleon; 9Be(70Ni, 69Ni), E=74 MeV/nucleon, [secondary 68,70Ni beams from 9Be(82Se, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 separator at NSCL-MSU]; measured particle spectra, Eγ, Iγ, one-neutron knockout σ for levels in the final nuclei, (67Ni or 69Ni)γ-coin, parallel momentum distributions, delayed γ from isomers using GRETINA array for γ detection and S800 spectrograph for particle analysis. 67,69Ni; measured levels, J, π, l-transfers. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.94.054324
2015CH25 Phys.Rev. C 91, 044309 (2015) C.J.Chiara, D.Weisshaar, R.V.F.Janssens, Y.Tsunoda, T.Otsuka, J.L.Harker, W.B.Walters, F.Recchia, M.Albers, M.Alcorta, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, P.F.Bertone, C.M.Campbell, M.P.Carpenter, J.Chen, H.L.Crawford, H.M.David, D.T.Doherty, A.Gade, C.R.Hoffman, M.Honma, F.G.Kondev, A.Korichi, C.Langer, N.Larson, T.Lauritsen, S.N.Liddick, E.Lunderberg, A.O.Macchiavelli, S.Noji, C.Prokop, A.M.Rogers, D.Seweryniak, N.Shimizu, S.R.Stroberg, S.Suchyta, Y.Utsuno, S.J.Williams, K.Wimmer, S.Zhu Identification of deformed intruder states in semi-magic 70Ni NUCLEAR REACTIONS 208Pb(70Zn, X)70Ni, E=440 MeV; measured Eγ, Iγ, prompt- and delayed-γ spectra, γγ-coin, γγ(θ) using Gammasphere array at ATLAS-ANL facility. 9Be(82Se, X)70Ni, E=140 MeV/nucleon; measured Eγ, Iγ, (70Ni)γ-, γγ-coin, prompt and delayed γ rays using S800 spectrograph, GRETINA and CsI(Na) arrays at NSCL-MSU facility. 70Ni; deduced levels, J, π. Comparison with Monte Carlo shell-model calculations. NUCLEAR STRUCTURE 68,70Ni, 92Mo; calculated levels, J, π, potential-energy surface contours in (Q2, Q4) plane. Shell-model using jj44bpn, jj44pna, JUN45, and JUN45 effective interactions, and Monte Carlo shell-model with A3DA interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.044309
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
2015NO04 Phys.Rev. C 92, 024312 (2015) S.Noji, R.G.T.Zegers, SamM.Austin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, A.L.Cole, H.J.Doster, A.Gade, C.J.Guess, S.Gupta, G.W.Hitt, C.Langer, S.Lipschutz, E.Lunderberg, R.Meharchand, Z.Meisel, G.Perdikakis, J.Pereira, F.Recchia, H.Schatz, M.Scott, S.R.Stroberg, C.Sullivan, L.Valdez, C.Walz, D.Weisshaar, S.J.Williams, K.Wimmer Gamow-Teller transitions to 45Ca via the 45Sc (t, 3He+γ) reaction at 115 MeV/u and its application to stellar electron-capture rates NUCLEAR REACTIONS 45Sc(t, 3He), E=115 MeV/nucleon, [triton beam from 9Be(16O, X), E=150 MeV/nucleon reaction]; measured 3He spectra, double-differential σ(θ), Eγ, Iγ, (particle)γ-coin using S800 spectrometer, cathode-readout drift chambers (CRDCs) and Gretina array at NSCL-MSU Coupled-Cyclotron facility. 45Ca; deduced levels, J, π, B(GT) strength functions, electron capture rates on 45Ca as function of stellar temperatures T9=8.5-10.5, poor agreement with shell-model calculations in the pf space and using GXPF1A, KB3G, and FPD6 interactions. Comparison of B(GT) with that from 45Ca g.s. to 45Sc g.s. β transition.
doi: 10.1103/PhysRevC.92.024312
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
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
2015ST06 Phys.Rev. C 91, 041302 (2015) S.R.Stroberg, A.Gade, J.A.Tostevin, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, K.W.Kemper, C.Langer, E.Lunderberg, A.Lemasson, S.Noji, T.Otsuka, F.Recchia, C.Walz, D.Weisshaar, S.Williams Neutron single-particle strength in silicon isotopes: Constraining the driving forces of shell evolution NUCLEAR REACTIONS 9Be(36Si, 35Si), E=100 MeV/nucleon; 9Be(38Si, 37Si), E=95 MeV/nucleon; 9Be(40Si, 39Si), E=85 MeV/nucleon, [secondary 36,38,40Si beams from fragmentation of 48Ca]; measured Eγ, Iγ, γγ-coin using GRETINA array at NSCL-MSU facility; deduced momentum distributions and partial cross sections of the residual nuclei following one-neutron knockout reactions. 35,37,39Si; deduced levels, intruder states, J, π, half-life of a level in 39Si. Comparison with shell-model calculations with SDPF-U and SDPF-MU interactions.
doi: 10.1103/PhysRevC.91.041302
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
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
2014GA07 Phys.Rev.Lett. 112, 112503 (2014) A.Gade, R.V.F.Janssens, D.Weisshaar, B.A.Brown, E.Lunderberg, M.Albers, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, M.P.Carpenter, C.J.Chiara, H.L.Crawford, M.Cromaz, U.Garg, C.R.Hoffman, F.G.Kondev, C.Langer, T.Lauritsen, I.Y.Lee, S.M.Lenzi, J.T.Matta, F.Nowacki, F.Recchia, K.Sieja, S.R.Stroberg, J.A.Tostevin, S.J.Williams, K.Wimmer, S.Zhu Nuclear Structure Towards N=40 60Ca: In-Beam γ-Ray Spectroscopy of 58, 60Ti NUCLEAR REACTIONS Be(61V, X)58Ti/60Ti, E=90 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, partial σ. Comparison with calculations using GXPF1A and LNPS spectroscopic factors, GRETINA at MSU.
doi: 10.1103/PhysRevLett.112.112503
2014IW01 Phys.Rev.Lett. 112, 142502 (2014) H.Iwasaki, A.Lemasson, C.Morse, A.Dewald, T.Braunroth, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, A.Gade, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer Evolution of Collectivity in 72Kr: Evidence for Rapid Shape Transition NUCLEAR REACTIONS 9Be(74Kr, 74Kr'), (74Kr, 72Kr'), E<150 MeV/nucleon; measured reaction products, Eγ, Iγ. 72,74Kr; deduced energy levels, B(E2) values. Comparison with theoretical calculations, available data.
doi: 10.1103/PhysRevLett.112.142502
2014NO05 Phys.Rev.Lett. 112, 252501 (2014) S.Noji, R.G.T.Zegers, S.M.Austin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, A.L.Cole, H.J.Doster, A.Gade, C.J.Guess, S.Gupta, G.W.Hitt, C.Langer, S.Lipschutz, E.Lunderberg, R.Meharchand, Z.Meisel, G.Perdikakis, J.Pereira, F.Recchia, H.Schatz, M.Scott, S.R.Stroberg, C.Sullivan, L.Valdez, C.Walz, D.Weisshaar, S.Williams, K.Wimmer β+ Gamow-Teller Transition Strengths from 46Ti and Stellar Electron-Capture Rates RADIOACTIVITY 46Ti(β+), (EC) [from 46Ti(t, 3He), E=115 MeV/nucleon]; measured reaction and decay products, Eγ, Iγ; deduced σ(θ, E), Gamow-Teller transition strength, energy levels, J, π, electron capture decay rates. Comparison with shell model calculations using GXPF1A, KB3G, FPD6 interactions, QRPA calculations.
doi: 10.1103/PhysRevLett.112.252501
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
2014ST18 Phys.Rev. C 90, 034301 (2014) S.R.Stroberg, A.Gade, J.A.Tostevin, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, K.W.Kemper, C.Langer, E.Lunderberg, A.Lemasson, S.Noji, F.Recchia, C.Walz, D.Weisshaar, S.J.Williams Single-particle structure of silicon isotopes approaching 42Si NUCLEAR REACTIONS 9Be(36Si, 35Si), (36Si, 35Al), E=97.7 MeV/nucleon; 9Be(38Si, 37Si), (38Si, 37Al), E=86 MeV/nucleon; 9Be(40Si, 39Si), (40Si, 39Al), E=79 MeV/nucleon, [secondary beams of 36,38,40Si produced in 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Doppler-shifted γ-ray spectra, Eγ, Iγ, γγ-, (residue)γ-coin, (36Si)γ-coin using GRETINA array for γ detection and ionization chamber and plastic scintillators in the focal plane of S800 spectrograph at NSCL-MSU facility. 35,37,39Al, 35,37,39Si; deduced levels, J, π, parallel momentum distributions, l-values. 36,38,40Si; one-neutron and one-proton total and partial knockout σ, single-particle structure, and enhanced collectivity in the region of 42Si. Eikonal model analysis of parallel momentum distributions. Comparison with large-scale shell model calculations. NUCLEAR STRUCTURE 35,37,39Al, 35,37,39Si; calculated levels, J, π using large-scale shell model with SDPF-U and SDPF-MU interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.034301
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
2013RE18 Phys.Rev. C 88, 041302 (2013) F.Recchia, C.J.Chiara, R.V.F.Janssens, D.Weisshaar, A.Gade, W.B.Walters, M.Albers, M.Alcorta, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, P.F.Bertone, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.Chen, H.L.Crawford, H.M.David, D.T.Doherty, C.R.Hoffman, F.G.Kondev, A.Korichi, C.Langer, N.Larson, T.Lauritsen, S.N.Liddick, E.Lunderberg, A.O.Macchiavelli, S.Noji, C.Prokop, A.M.Rogers, D.Seweryniak, S.R.Stroberg, S.Suchyta, S.Williams, K.Wimmer, S.Zhu Configuration mixing and relative transition rates between low-spin states in 68Ni NUCLEAR REACTIONS 208Pb(70Zn, X)68Ni, E=440 MeV; measured Eγ, Iγ, (68Ni)γ-, γγ-coin, prompt and delayed γ rays, level half-life using Gammasphere array at ATLAS-ANL facility. 9Be(70Ni, X)68Ni, E=75 MeV/nucleon, [secondary 70Ni beam from 9Be(82Se, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, γγ-coin, prompt and delayed γ rays, level half-life using S800 spectrograph, GRETINA and CsI(Na) arrays at NSCL-MSU facility. 68Ni; deduced levels, J, π, B(E2) ratios. Comparison with shell-model calculations using jj44pna, jj44b, JUN45, and LNPS effective interactions. Discussed configuration mixing.
doi: 10.1103/PhysRevC.88.041302
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
2012GR13 Phys.Rev. C 86, 024315 (2012) G.F.Grinyer, D.Bazin, A.Gade, J.A.Tostevin, P.Adrich, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, S.McDaniel, A.Obertelli, K.Siwek, J.R.Terry, D.Weisshaar, R.B.Wiringa Systematic study of p-shell nuclei via single-nucleon knockout reactions NUCLEAR REACTIONS 9Be(7Li, p), (9Li, n), (10Be, p), (10Be, n), E=80 MeV/nucleon; 9Be(7Li, n), (10C, n), (10Be, n), E=120 MeV/nucleon; 9Be(9C, p), E=100 MeV/nucleon; C(9Li, n), E=80 MeV/nucleon; C(10C, n), E=120 MeV/nucleon; measured energy loss, time of flight, longitudinal-momentum distribution, nondispersive and dispersive angular plots, inclusive σ in single-nucleon knockout reactions at NSCL facility. Secondary beams of 9Be, 9Li, 10Be, 9,10C from 9Be(16O, X), E=150 MeV primary reaction. Comparison with shell-model calculations with Hartree-Fock structure inputs, and with variational Monte Carlo (VMC) calculations.
doi: 10.1103/PhysRevC.86.024315
2012HU01 Phys.Rev. C 85, 024613 (2012) R.O.Hughes, C.W.Beausang, T.J.Ross, J.T.Burke, N.D.Scielzo, M.S.Basunia, C.M.Campbell, R.J.Casperson, H.L.Crawford, J.E.Escher, J.Munson, L.W.Phair, J.J.Ressler Utilizing (p, d) and (p, t) reactions to obtain (n, f) cross sections in uranium nuclei via the surrogate-ratio method NUCLEAR REACTIONS 236,238U(p, d), (p, t), E=28 MeV; measured E(d), I(d), E(t), I(t), fission spectra, (particle)(fission)-, (particle)γ-coin, fission fragment anisotropy ratios using STARS detector array at LBNL cyclotron facility; deduced σ[236U(n, F)]/σ[234U(n, F)], σ[235U(n, F)]/σ[233U(n, F)], σ[234U(n, F)]/σ[233U(n, F)], σ[236U(n, F)]/σ[235U(n, F)] reaction cross section ratios for E(n)=0-7 MeV. Surrogate-ratio method. Comparison with ENDF/B-VII evaluation.
doi: 10.1103/PhysRevC.85.024613
2012HU14 J.Phys.:Conf.Ser. 381, 012064 (2012) R.O.Hughes, C.W.Beausang, T.J.Ross, J.T.Burke, N.D.Scielzo, M.S.Basunia, C.M.Campbell, R.J.Casperson, H.L.Crawford, J.Munson, L.Phair, J.J.Ressler To the continuum and beyond: Structure of U nuclei NUCLEAR REACTIONS 236,238U(p, X), E=28 MeV; measured outgoing light ions using STARS Si telescope, (particle)(fission)-coin, Eγ, Iγ using Ge detectors of LIBERACE array, (particle)γ-coin; deduced σ(234U(n, f))/σ(236U(n, f)) ratio vs neutron energy using (p, dF) surrogate. 235,237U deduced levels, J, π, γ transitions.
doi: 10.1088/1742-6596/381/1/012064
2011GA15 Phys.Rev. C 83, 044305 (2011) A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, S.Ettenauer, T.Glasmacher, K.W.Kemper, S.McDaniel, A.Obertelli, T.Otsuka, A.Ratkiewicz, J.R.Terry, Y.Utsuno, D.Weisshaar In-beam γ -ray spectroscopy of 35Mg and 33Na NUCLEAR REACTIONS 9Be(38Si, X)33Na/35Mg/36Mg/38Si, E=83 MeV/nucleon, [secondary 38Si beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, production σ, (33Na)γ-, (35Mg)γ-coin using SeGA array. 33Na, 35Mg; deduced levels, J, π, rotational band in 33Na. Comparison with large-scale Monte-Carlo shell model (MCSM) calculations with SDPF-M interaction, and with large-scale shell-model calculations with SDPF-U interaction. Calculated composition of 35Mg wave functions, quadrupole moments and B(E2) values. Systematics of S(n) for A=30-35 Mg nuclei. Relevance to Island of Inversion.
doi: 10.1103/PhysRevC.83.044305
2011GA18 Phys.Rev. C 83, 054324 (2011) A.Gade, J.A.Tostevin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, T.Glasmacher, G.F.Grinyer, S.McDaniel, K.Meierbachtol, A.Ratkiewicz, S.R.Stroberg, K.A.Walsh, D.Weisshaar, R.Winkler Inverse-kinematics one-neutron pickup with fast rare-isotope beams NUCLEAR REACTIONS 9Be, 12C(22Mg, 23Mg), E=84 MeV/nucleon; measured Eγ, Iγ, particle spectra, γγ-, (particle)γ-coin using SeGA array, momentum distributions, angular distribution. 23Mg; deduced levels, J, π, configuration, cross sections. Single-neutron pickup reactions. CCBA analysis for the reaction mechanism. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.83.054324
2011GR08 Phys.Rev.Lett. 106, 162502 (2011) G.F.Grinyer, D.Bazin, A.Gade, J.A.Tostevin, P.Adrich, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, S.McDaniel, P.Navratil, A.Obertelli, S.Quaglioni, K.Siwek, J.R.Terry, D.Weisshaar, R.B.Wiringa Knockout Reactions from p-Shell Nuclei: Tests of Ab Initio Structure Models NUCLEAR REACTIONS Be(10Be, n)9Be, Be(10C, n)9C, C(10C, n)9C, E=80, 120 MeV/nucleon; measured reaction products. 10Be, 10C; deduced σ, three-body forces. Variational Monte Carlo, no core shell model ab initio calculations.
doi: 10.1103/PhysRevLett.106.162502
2011KW02 J.Phys.:Conf.Ser. 312, 092035 (2011) A.A.Kwiatkowski, B.R.Barquest, M.Block, G.Bollen, C.M.Campbell, R.Ferrer, D.L.Lincoln, D.J.Morrissey, G.K.Pang, M.Redshaw, R.Ringle, S.Schwarz, J.Savory High precision Penning trap mass spectrometry of rare isotopes produced by projectile fragmentation ATOMIC MASSES 63,64,65,66,67,68Fe, 64,65,66,67,68,69Co; measured mass, 2n separation energies using Penning trap radiofrequency. Compared with AME03, other data.
doi: 10.1088/1742-6596/312/9/092035
2010AO01 Phys.Lett. B 692, 302 (2010) N.Aoi, S.Kanno, S.Takeuchi, H.Suzuki, D.Bazin, M.D.Bowen, C.M.Campbell, J.M.Cook, D.-C.Dinca, A.Gade, T.Glasmacher, H.Iwasaki, T.Kubo, K.Kurita, T.Motobayashi, W.F.Mueller, T.Nakamura, H.Sakurai, M.Takashina, J.R.Terry, K.Yoneda, H.Zwahlen Enhanced collectivity in 74Ni NUCLEAR REACTIONS 1H(74Ni, 74Ni'), E=81 MeV/nucleon; measured Eγ, Iγ; 74Ni; deduced J, π, level energy, σ, deformation length and parameter.
doi: 10.1016/j.physletb.2010.07.052
2010FA04 Phys.Rev. C 81, 041302 (2010) P.Fallon, E.Rodriguez-Vieitez, A.O.Macchiavelli, A.Gade, J.A.Tostevin, P.Adrich, D.Bazin, M.Bowen, C.M.Campbell, R.M.Clark, J.M.Cook, M.Cromaz, D.C.Dinca, T.Glasmacher, I.Y.Lee, S.McDaniel, W.F.Mueller, S.G.Prussin, A.Ratkiewicz, K.Siwek, J.R.Terry, D.Weisshaar, M.Wiedeking, K.Yoneda, B.A.Brown, T.Otsuka, Y.Utsuno Two-proton knockout from 32Mg: Intruder amplitudes in 30Ne and implications for the binding of 29, 31F NUCLEAR REACTIONS 9Be(32Mg, 30Ne), E=86.7, 99.7 MeV/nucleon; measured Eγ, Iγ, and σ using SeGA array. 32Mg beam from 9Be(48Ca, X), E=140 MeV/nucleon. 30Ne; deduced levels, J, π, intruder configuration. 29,31F; discussed implications for binding energies. 32Mg; deduced configuration. Comparison with large-scale shell model calculations.
doi: 10.1103/PhysRevC.81.041302
2010FE01 Phys.Rev. C 81, 044318 (2010) R.Ferrer, M.Block, C.Bachelet, B.R.Barquest, G.Bollen, C.M.Campbell, M.Facina, C.M.Folden III, C.Guenaut, A.A.Kwiatkowski, D.L.Lincoln, D.J.Morrissey, G.K.Pang, A.M.Prinke, R.Ringle, J.Savory, P.Schury, S.Schwarz Penning trap mass spectrometry of neutron-rich Fe and Co isotopes around N=40 with the LEBIT mass spectrometer ATOMIC MASSES 63,64,65,65m,66Fe, 64,65,66,67,67mCo; measured cyclotron resonance frequencies and mass excesses using LEBIT Penning-trap mass spectrometer. Comparison with AME-2003 evaluation. 61,63,65,67Fe; systematics of low-lying levels. Z=24-31, N=35-44; systematics of two-neutron separation energies.
doi: 10.1103/PhysRevC.81.044318
2010GA14 Phys.Rev. C 81, 064326 (2010) A.Gade, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, T.Glasmacher, G.F.Grinyer, M.Honma, S.McDaniel, R.Meharchand, T.Otsuka, A.Ratkiewicz, J.A.Tostevin, K.A.Walsh, D.Weisshaar Collectivity at N=50: 82Ge and 84Se NUCLEAR REACTIONS 197Au(82Ge, 82Ge'), E=89.4 MeV/nucleon; 197Au(84Se, 84Se'), E=95.4 MeV/nucleon; 9Be(82Ge, 82Ge'), E=87.6 MeV/nucleon; 9Be(84Se, 84Se'), E=92 MeV/nucleon, [82Ge and 84Se secondary beams from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, σ, (particle)γ-coin; 82Ge, 84Se; deduced levels, J, B(E2), T1/2. Intermediate energy Coulomb excitation and inelastic scattering. Comparison with systematics of B(E2) values for first 2+ state in N=50 isotones for Z(even)=30-42 and even-even Ge (A=64-82) and Se (A=68-84) isotopes, and with shell-model calculations. Systematics of first 3- states in even-even Se (A=74-82) and N=50 isotones.
doi: 10.1103/PhysRevC.81.064326
2010KW02 Phys.Rev. C 81, 058501 (2010) A.A.Kwiatkowski, B.R.Barquest, G.Bollen, C.M.Campbell, R.Ferrer, A.E.Gehring, D.L.Lincoln, D.J.Morrissey, G.K.Pang, J.Savory, S.Schwarz Penning trap mass measurement of 26Si ATOMIC MASSES 26Si; measured mass using LEBIT Penning trap mass spectrometer. Comparison with other experimental results.
doi: 10.1103/PhysRevC.81.058501
2010MC01 Phys.Rev. C 81, 024301 (2010) S.McDaniel, A.Gade, R.V.F.Janssens, D.Bazin, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.M.Cook, A.N.Deacon, D.-C.Dinca, S.J.Freeman, T.Glasmacher, P.G.Hansen, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, J.A.Tostevin, S.Zhu Population of positive-parity states in 53Sc through one-proton knockout NUCLEAR REACTIONS 9Be(54Ti, 53Sc), E=72 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin using SeGA array, σ, and parallel momentum distributions in one-proton knockout reaction. 53Sc; deduced levels, J, π and configurations. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.81.024301
2010RE05 Phys.Rev. C 81, 067303 (2010) R.R.Reynolds, P.D.Cottle, A.Gade, D.Bazin, C.M.Campbell, J.M.Cook, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, W.F.Mueller, B.T.Roeder, J.R.Terry, J.A.Tostevin 25Si and 29S studied via single neutron knockout reactions NUCLEAR REACTIONS 9Be(26Si, 25Si), E=109 MeV/nucleon; 9Be(30S, 29S), E=103 MeV/nucleon, [secondary beams of 26Si and 30S from primary 9Be(36Ar, X), E=150 MeV/nucleon]; measured Eγ, Iγ, (particle)γ-coin, σ using SeGA array. 25Si, 29S; deduced levels, J, π. Comparisons with previous experimental data, mirror nuclei 25Na and 29Al, and shell model calculations.
doi: 10.1103/PhysRevC.81.067303
2009KW02 Phys.Rev. C 80, 051302 (2009) A.A.Kwiatkowski, B.R.Barquest, G.Bollen, C.M.Campbell, D.L.Lincoln, D.J.Morrissey, G.K.Pang, A.M.Prinke, J.Savory, S.Schwarz, C.M.Folden III, D.Melconian, S.K.L.Sjue, M.Block Precision test of the isobaric multiplet mass equation for the A=32, T=2 quintet ATOMIC MASSES 32,33Si, 32S, 31,34P; measured masses using LEBIT Penning-trap spectrometer; deduced mass excesses. Discussed validity of quadratic form of isobaric multiplet mass equation (IMME).
doi: 10.1103/PhysRevC.80.051302
2009SC29 Eur.Phys.J. A 42, 323 (2009) S.Schwarz, M.Block, G.Bollen, C.M.Campbell, M.Facina, R.Ferrer, C.M.Folden III, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.M.Prinke, R.J.Ringle, J.Savory, P.H.Schury Precision Penning trap mass measurements of rare isotopes produced by projectile fragmentation ATOMIC MASSES 32Si, 32P, 32S, 32Cl, 32Ar; analyzed masses from Penning trap measurements. Comparison with Isobaric Multiplet Mass Equation calculations.
doi: 10.1140/epja/i2009-10808-4
2008AD04 Phys.Rev. C 77, 054306 (2008) P.Adrich, A.M.Amthor, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, A.Gade, D.Galaviz, T.Glasmacher, S.McDaniel, D.Miller, A.Obertelli, Y.Shimbara, K.P.Siwek, J.A.Tostevin, D.Weisshaar In-beam γ-ray spectroscopy and inclusive two-proton knockout cross section measurements at N ≈ 40 NUCLEAR REACTIONS 9Be(67Co, 66Fe)X, E=84.3 MeV/nucleon; 9Be(68Ni, 66Fe)X, E=74.7 MeV/nucleon; 9Be(69Co, 68Fe)X, E=77.8 MeV/nucleon; 9Be(66Fe, 64Cr)X, E=73.5 MeV/nucleon; measured Eγ, Iγ, σ. 66,68Fe, 64Cr; deduced levels, J, π. 9Be(76Ge, X)63Fe/64Fe/65Fe/66Fe/68Ni/69Cu, E=130 MeV/nucleon;measured yields.
doi: 10.1103/PhysRevC.77.054306
2008DI12 Phys.Rev. C 77, 064309 (2008), Erratum Phys.Rev. C 77, 069901 (2008) C.Aa.Diget, P.Adrich, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, A.Gade, T.Glasmacher, K.Hosier, S.McDaniel, D.McGlinchery, A.Obertelli, L.A.Riley, K.Siwek, J.R.Terry, J.A.Tostevin, D.Weisshaar Structure of excited states in 21Mg studied in one-neutron knockout NUCLEAR REACTIONS 9Be(22Mg, 21Mg), E=74 MeV/nucleon; measured Eγ, Iγ, σ, momentum distributions. 21Mg; deduced levels, J, π, spectroscopic factors. 21F; calculated level energies, J, π. Comparison with model calculations.
doi: 10.1103/PhysRevC.77.064309
2008ET01 Phys.Rev. C 78, 017302 (2008) S.Ettenauer, H.Zwahlen, P.Adrich, D.Bazin, C.M.Campbell, J.M.Cook, A.D.Davies, D.-C.Dinca, A.Gade, T.Glasmacher, J.-L.Lecouey, W.F.Mueller, T.Otsuka, R.R.Reynolds, L.A.Riley, J.R.Terry, Y.Utsuno, K.Yoneda Intermediate-energy Coulomb excitation of 30Na NUCLEAR REACTIONS 209Bi(30Na, 30Na'), E=80.1 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, σ(θ). 30Na; deduced B(E2). Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.78.017302
2008GA10 Phys.Rev. C 77, 044306 (2008) A.Gade, P.Adrich, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, P.G.Hansen, K.Hosier, S.McDaniel, D.McGlinchery, A.Obertelli, K.Siwek, L.A.Riley, J.A.Tostevin, D.Weisshaar Reduction of spectroscopic strength: Weakly-bound and strongly-bound single-particle states studied using one-nucleon knockout reactions NUCLEAR REACTIONS 9Be(36Ar, X)19F/20Ne/21Na/22Mg/23Al, E=130 MeV/nucleon; measured energy loss, intensities for reaction products. 9Be(24Si, X)23Al/23Si, E=85.3 MeV/nucleon; measured single-particle cross sections, momentum distributions, spectroscopic factors. 9Be(28S, X)27P, E=80.7 MeV/nucleon; measured Eγ, Iγ.9Be(28S, X)27P/27S, E=80.7 MeV/nucleon; measured single particle cross sections, spectroscopic factors, momentum distributions. 7Li, 8B, 9,12,15C, 16O, 32,34,36Ar, 24,30Si, 26,28S, 31P, 40,48Ca, 51V, 90Zr, 208Pb; systematics of cross sections.
doi: 10.1103/PhysRevC.77.044306
2008GA17 Phys.Lett. B 666, 218 (2008) A.Gade, P.Adrich, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, K.Hosier, S.McDaniel, D.McGlinchery, A.Obertelli, L.A.Riley, K.Siwek, J.A.Tostevin, D.Weisshaar In-beam γ-ray spectroscopy at the proton dripline: 23Al NUCLEAR REACTIONS 9Be(22Mg, 23Al), (23Al, 23Al'), E=150 MeV/nucleon; measured fragment spectra, Eγ, Iγ, (fragment)γ-coin. 23Al; deduced levels, spectroscopic factors.
doi: 10.1016/j.physletb.2008.07.062
2008GL03 Nucl.Phys. A805, 155c (2008) T.Glasmacher, C.M.Campbell, A.Gade, J.R.Terry In-beam γ-ray spectroscopy with fast beams of rare isotopes: Experiments to elucidate the structure of very exotic atomic nuclei
doi: 10.1016/j.nuclphysa.2008.02.236
2008TE02 Phys.Rev. C 77, 014316 (2008) J.R.Terry, B.A.Brown, C.M.Campbell, J.M.Cook, A.D.Davies, D.-C.Dinca, A.Gade, T.Glasmacher, P.G.Hansen, B.M.Sherrill, H.Zwahlen, D.Bazin, K.Yoneda, J.A.Tostevin, T.Otsuka, Y.Utsuno, B.Pritychenko Single-neutron knockout from intermediate energy beams of 30, 32Mg: "Mapping the transition into the "island of inversion" NUCLEAR REACTIONS 9Be(30Mg, 29Mg), E=85.8 MeV/nucleon; 9Be(32Mg, 31Mg), E=75.7 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin, cross sections; deduced spectroscopic factors. 29,31Mg; deduced levels, angular momenta, half-lives. Single-particle knockout reaction.
doi: 10.1103/PhysRevC.77.014316
2007CA35 Phys.Lett. B 652, 169 (2007); Addendum Phys.Lett. B 656, 272 (2007) C.M.Campbell, N.Aoi, D.Bazin, M.D.Bowen, B.A.Brown, J.M.Cook, D.-C.Dinca, A.Gade, T.Glasmacher, M.Horoi, S.Kanno, T.Motobayashi, L.A.Riley, H.Sagawa, H.Sakurai, K.Starosta, H.Suzuki, S.Takeuchi, J.R.Terry, K.Yoneda, H.Zwahlen Quadrupole collectivity in silicon isotopes approaching neutron number N=28 NUCLEAR REACTIONS 1H(36Si, 36Si'), E < 140 MeV/nucleon; 1H(38Si, 38Si'), E < 140 MeV/nucleon; 1H(40Si, 40Si'), E < 140 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coinc, inelastic proton scattering cross sections. 36,38,40Si deduced quadrupole deformation parameters.
doi: 10.1016/j.physletb.2007.07.005
2007GA34 Phys.Rev.Lett. 99, 072502 (2007) A.Gade, P.Adrich, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, S.Ettenauer, T.Glasmacher, K.W.Kemper, S.McDaniel, A.Obertelli, T.Otsuka, A.Ratkiewicz, K.Siwek, J.R.Terry, J.A.Tostevin, Y.Utsuno, D.Weisshaar Spectroscopy of 36Mg: Interplay of Normal and Intruder Configurations at the Neutron-Rich Boundary of the "Island of Inversion" NUCLEAR REACTIONS 9Be(38Si, 36Mg), E=83 MeV/nucleon; measured Eγ, Iγ. 36Mg deduced level energy. Compared results to model calculations.
doi: 10.1103/PhysRevLett.99.072502
2007GA38 Phys.Rev. C 76, 024317 (2007) A.Gade, P.Adrich, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, K.Hosier, S.McDaniel, D.McGlinchery, A.Obertelli, L.A.Riley, K.Siwek, D.Weisshaar Spectroscopy of 20Mg: The isobaric mass multiplet equation for the 2+ states of the A = 20, T = 2 quintet and distant mirror nuclei NUCLEAR REACTIONS 9B(22Mg, X)20Mg, E=150 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coinc. 20Mg deduced level energy and mass excess.
doi: 10.1103/PhysRevC.76.024317
2007GA58 Phys.Rev. C 76, 061302 (2007) A.Gade, P.Adrich, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, K.Hosier, S.McDaniel, D.McGlinchery, A.Obertelli, L.A.Riley, K.Siwek, J.A.Tostevin, D.Weisshaar Inverse-kinematics one-proton pickup with intermediate-energy beams: The 9Be (20Ne, 21Na+γ)X reaction NUCLEAR REACTIONS 9Be(20Ne, 21Na), E=63 MeV/nucleon; measured cross sections, Eγ, Iγ, γγ-, (21Na)γ-coin, momentum distributions. 21Na; deduced levels, J, π.
doi: 10.1103/PhysRevC.76.061302
2007VA22 Phys.Rev.Lett. 99, 162501 (2007) C.Vaman, C.Andreoiu, D.Bazin, A.Becerril, B.A.Brown, C.M.Campbell, A.Chester, J.M.Cook, D.C.Dinca, A.Gade, D.Galaviz, T.Glasmacher, M.Hjorth-Jensen, M.Horoi, D.Miller, V.Moeller, W.F.Mueller, A.Schiller, K.Starosta, A.Stolz, J.R.Terry, A.Volya, V.Zelevinsky, H.Zwahlen Z=50 Shell Gap near 100Sn from Intermediate-Energy Coulomb Excitations in Even-Mass 106-112Sn Isotopes NUCLEAR REACTIONS 197Au(106Sn, 106Sn'), (108Sn, 108Sn'), (110Sn, 110sn'), (112Sn, 112Sn'), E=78-81 MeV; measured Eγ, Iγ, (particle)γ-coinc from projectile coulomb excitation. 106,108,110,112Sn deduced B(E2).
doi: 10.1103/PhysRevLett.99.162501
2006CA26 Phys.Rev.Lett. 97, 112501 (2006) C.M.Campbell, N.Aoi, D.Bazin, M.D.Bowen, B.A.Brown, J.M.Cook, D.-C.Dinca, A.Gade, T.Glasmacher, M.Horoi, S.Kanno, T.Motobayashi, W.F.Mueller, H.Sakurai, K.Starosta, H.Suzuki, S.Takeuchi, J.R.Terry, K.Yoneda, H.Zwahlen Measurement of Excited States in 40Si and Evidence for Weakening of the N = 28 Shell Gap NUCLEAR REACTIONS 1H(40Si, 40Si'), (42P, 40SiX), E ≈ 80 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 40Si deduced excited states energies. Comparison with model predictions.
doi: 10.1103/PhysRevLett.97.112501
2006CH26 Nucl.Instrum.Methods Phys.Res. A562, 230 (2006) A.Chester, P.Adrich, A.Becerril, D.Bazin, C.M.Campbell, J.M.Cook, D.-C.Dinca, W.F.Mueller, D.Miller, V.Moeller, R.P.Norris, M.Portillo, K.Starosta, A.Stolz, J.R.Terry, H.Zwahlen, C.Vaman, A.Dewald Application of the time-of-flight technique for lifetime measurements with relativistic beams of heavy nuclei NUCLEAR REACTIONS 93Nb(124Xe, 124Xe'), E=55 MeV/nucleon; measured Doppler-shifted Eγ, Iγ following projectile Coulomb excitation. 124Xe deduced excited state T1/2. Time-of-flight technique, recoil-distance technique.
doi: 10.1016/j.nima.2006.02.182
2006DA08 Phys.Rev.Lett. 96, 112503 (2006) A.D.Davies, A.E.Stuchbery, P.F.Mantica, P.M.Davidson, A.N.Wilson, A.Becerril, B.A.Brown, C.M.Campbell, J.M.Cook, D.C.Dinca, A.Gade, S.N.Liddick, T.J.Mertzimekis, W.F.Mueller, J.R.Terry, B.E.Tomlin, K.Yoneda, H.Zwahlen Probing Shell Structure and Shape Changes in Neutron-Rich Sulfur Isotopes Through Transient-Field, g-Factor Measurements on Fast Radioactive Beams of 38S and 40S NUCLEAR REACTIONS 197Au(38S, 38S'), (40S, 40S'), E ≈ 40 MeV/nucleon; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 38,40S levels deduced excitation B(E2), g factors. Transient field technique.
doi: 10.1103/PhysRevLett.96.112503
2006FR13 Phys.Rev. C 74, 034313 (2006) J.Fridmann, I.Wiedenhover, A.Gade, L.T.Baby, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, P.D.Cottle, E.Diffenderfer, D.-C.Dinca, T.Glasmacher, P.G.Hansen, K.W.Kemper, J.L.Lecouey, W.F.Mueller, E.Rodriguez-Vieitez, J.R.Terry, J.A.Tostevin, K.Yoneda, H.Zwahlen Shell structure at N = 28 near the dripline: Spectroscopy of 42Si, 43P, and 44S NUCLEAR REACTIONS 9Be(44S, X)42Si/43P, E=98.6 MeV/nucleon; 9Be(46Ar, X)44S, E=98.1 MeV/nucleon; measured Eγ, Iγ, particle spectra, (particle)γ-coin; deduced one- and two-proton knockout σ. 43P deduced transition. 42Si, 43P, 44S deduced ground-state configurations, shell closure features. Shell model, diffractive effects in knockout reactions.
doi: 10.1103/PhysRevC.74.034313
2006GA14 Phys.Rev. C 73, 037309 (2006) A.Gade, R.V.F.Janssens, D.Bazin, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.M.Cook, A.N.Deacon, D.-C.Dinca, S.J.Freeman, T.Glasmacher, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, S.Zhu Spectroscopy of the odd-odd fp-shell nucleus 52Sc from secondary fragmentation NUCLEAR REACTIONS 9Be(57Cr, X), (55V, X)52Sc, E ≈ 77 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 52Sc deduced levels, transitions. Comparison with shell model predictions.
doi: 10.1103/PhysRevC.73.037309
2006GA24 Phys.Rev. C 74, 021302 (2006) A.Gade, R.V.F.Janssens, D.Bazin, R.Broda, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.M.Cook, A.N.Deacon, D.-C.Dinca, B.Fornal, S.J.Freeman, T.Glasmacher, P.G.Hansen, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, J.A.Tostevin, S.Zhu Cross-shell excitation in two-proton knockout: Structure of 52Ca NUCLEAR REACTIONS 9Be(54Ti, 52CaX), E=72 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, longitudinal momentum distribution, yields following two-proton knockout; deduced inclusive σ. 52Ca deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.74.021302
2006GA31 Phys.Rev. C 74, 034322 (2006) A.Gade, B.A.Brown, D.Bazin, C.M.Campbell, J.A.Church, D.C.Dinca, J.Enders, T.Glasmacher, M.Horoi, Z.Hu, K.W.Kemper, W.F.Mueller, T.Otsuka, L.A.Riley, B.T.Roeder, T.Suzuki, J.R.Terry, K.L.Yurkewicz, H.Zwahlen Evolution of the E(1/2+1) - E(3/2+1) energy spacing in odd-mass K, Cl, and P isotopes for N = 20-28 NUCLEAR REACTIONS H, C(46Ar, X)43Cl/45Cl, E=76.4 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 45Cl deduced level energy. NUCLEAR STRUCTURE 35,37,39,41,43P, 37,39,41,43,45Cl, 39,41,43,45,47K; analyzed level energies, splitting.
doi: 10.1103/PhysRevC.74.034322
2006GA35 Phys.Rev. C 74, 047302 (2006) A.Gade, R.V.F.Janssens, D.Bazin, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.M.Cook, A.N.Deacon, D.-C.Dinca, S.J.Freeman, T.Glasmacher, M.Horoi, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, J.A.Tostevin, S.Zhu One-neutron knockout in the vicinity of the N = 32 sub-shell closure: 9Be(57Cr, 56Cr+γ)X NUCLEAR REACTIONS 9Be(57Cr, 56CrX), E=77 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, parallel momentum distribution; deduced σ. 56Cr deduced levels, spectroscopic factors.
doi: 10.1103/PhysRevC.74.047302
2006OB03 Phys.Rev. C 73, 044605 (2006) A.Obertelli, A.Gade, D.Bazin, C.M.Campbell, J.M.Cook, P.D.Cottle, A.D.Davies, D.-C.Dinca, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, J.-L.Lecouey, W.F.Mueller, R.R.Reynolds, B.T.Roeder, J.R.Terry, J.A.Tostevin, K.Yoneda, H.Zwahlen Population of bound excited states in intermediate-energy fragmentation reactions NUCLEAR REACTIONS 9Be(24Mg, X), (25Al, X), (34Ar, X)18Ne/21Na, E ≈ 90-110 MeV/nucleon; 9Be(26Si, X)18Ne/24Si, E ≈ 109 MeV/nucleon; 9Be(28Mg, X)26Ne, E ≈ 82 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin; deduced relative population of excited states, reaction mechanism features.
doi: 10.1103/PhysRevC.73.044605
2006RO34 Phys.Rev. C 74, 034602 (2006) B.T.Roeder, K.W.Kemper, N.Aoi, D.Bazin, M.Bowen, C.M.Campbell, J.M.Cook, D.-C.Dinca, A.Gade, T.Glasmacher, H.Iwasaki, S.Kanno, T.Motobayashi, W.F.Mueller, T.Nakamura, H.Sakurai, H.Suzuki, S.Takeuchi, J.R.Terry, K.Yoneda, H.Zwahlen Production cross sections for heavy-ion fragmentation reactions on a liquid deuterium target at intermediate energies NUCLEAR REACTIONS 2H(48Ca, X)48Sc/47Ca/46Ca/48K/47K/46K/45K/44K/45Ar/44Ar/42Ar/42Cl/40Cl/39Cl, E=102 MeV/nucleon; 2H(40S, X)40Cl/39S/38S/37P/36P/34Si/33Si/32Al/31Al, E=99.3 MeV/nucleon; 2H(42S, X)42Cl/42S/40S/39P/38P/37P/36Si/35Si/33Al/32Al, E=99.8 MeV/nucleon; measured production σ. Comparison with model predictions, fragmentation from Be and Ta targets.
doi: 10.1103/PhysRevC.74.034602
2006ST21 Phys.Rev. C 74, 054307 (2006) A.E.Stuchbery, A.D.Davies, P.F.Mantica, P.M.Davidson, A.N.Wilson, A.Becerril, B.A.Brown, C.M.Campbell, J.M.Cook, D.C.Dinca, A.Gade, S.N.Liddick, T.J.Mertzimekis, W.F.Mueller, J.R.Terry, B.E.Tomlin, K.Yoneda, H.Zwahlen Shell structure underlying the evolution of quadrupole collectivity in 38S and 40S probed by transient-field g-factor measurements on fast radioactive beams NUCLEAR REACTIONS 197Au(38S, 38S'), (40S, 40S'), E ≈ 40 MeV/nucleon; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 38,40S levels deduced excitation B(E2), g factors. Transient field technique. NUCLEAR STRUCTURE 36,38,40S, 38,40,42Ar; calculated level energies, quadrupole moments, g factors, B(E2), deformation. Shell model.
doi: 10.1103/PhysRevC.74.054307
2006TE04 Phys.Lett. B 640, 86 (2006) J.R.Terry, D.Bazin, B.A.Brown, C.M.Campbell, J.A.Church, J.M.Cook, A.D.Davies, D.-C.Dinca, J.Enders, A.Gade, T.Glasmacher, P.G.Hansen, J.L.Lecouey, T.Otsuka, B.Pritychenko, B.M.Sherrill, J.A.Tostevin, Y.Utsuno, K.Yoneda, H.Zwahlen Direct evidence for the onset of intruder configurations in neutron-rich Ne isotopes NUCLEAR REACTIONS 9Be(26Ne, X)25Ne, E=83 MeV/nucleon; 9Be(28Ne, X)27Ne, E=80 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin, longitudinal momentum distributions. 25,27Ne deduced levels, J, π. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2006.06.061
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