NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = T.Redpath Found 12 matches. 2023NZ01 Phys.Rev. C 107, 064315 (2023) P.Nzabahimana, T.Redpath, T.Baumann, P.Danielewicz, P.Giuliani, P.Gueye Deconvoluting experimental decay energy spectra: The 26O case RADIOACTIVITY 26O(2n); analyzed experimental decay spectra; deducedenergy of the resonances. Richardson-Lucy algorithm, deblurring method used in optics, applied to restoration of the energy spectrum from the three-body decay of 26O. Deep neural network analysis of the experimental spectrum. Analysis of the data obtained with Modular Neutron Array and Large multi-Institutional Scin tillator Array (MoNA-LISA).
doi: 10.1103/PhysRevC.107.064315
2022KI08 Phys.Rev. C 105, 034318 (2022) N.Kitamura, K.Wimmer, T.Miyagi, A.Poves, N.Shimizu, J.A.Tostevin, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, F.Nowacki, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, Y.Utsuno, D.Weisshaar, A.Westerberg In-beam γ-ray spectroscopy of 32Mg via direct reactions NUCLEAR REACTIONS 9Be(33Mg, n), E=99.6 MeV/nucleon; 9Be(34Si, 2p), E=94.8 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin; deduced inclusive and exclusive σ, momentum distribution, spectroscopic factors. 32Mg; deduced, levels, J, π, configurations, structure of ground-state rotational band. Comparison to shell-model calculations using SDPF-M, SDPF-U-MIX, EEdf1 and IMSRG interactions. Systematics of low-spin levels for N=20 isotones (32Mg, 34Si, 36S, 38Ar, 40Ca). GRETINA at NSCL-MSU.
doi: 10.1103/PhysRevC.105.034318
2022KU08 Phys.Rev. C 105, 034314 (2022) A.N.Kuchera, D.Bazin, T.Phan, J.A.Tostevin, M.Babo, T.Baumann, P.C.Bender, M.Bowry, J.Bradt, J.Brown, P.A.DeYoung, B.Elman, J.E.Finck, A.Gade, G.F.Grinyer, M.D.Jones, B.Longfellow, E.Lunderberg, T.H.Redpath, W.F.Rogers, K.Stiefel, M.Thoennessen, D.Votaw, D.Weisshaar, K.Whitmore, R.B.Wiringa Mirror nucleon removal reactions in p-shell nuclei NUCLEAR REACTIONS 9Be(7Li, 6He), (7Li, 6Li), (9Li, 8Li), (10Be, 9Li) E=80 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial σ to the individual final states of the daughter nuclei. Comparison to fully microscopic variational Monte Carlo (VMC) model calculations. Systematics of partial σ for nucleon removal reactions in mirror pairs. CAESAR array of 170 CsI(Te) scintillators. Secondaries beam produced in 9Be(16O, X), E=150 MeV/nucleon reaction and delivered to the target via A1900 fragment separator (NSCL-MSU).
doi: 10.1103/PhysRevC.105.034314
2021CH47 Phys.Rev. C 104, 034313 (2021) D.Chrisman, A.N.Kuchera, T.Baumann, A.Blake, B.A.Brown, J.Brown, C.Cochran, P.A.DeYoung, J.E.Finck, N.Frank, P.Gueye, H.Karrick, H.Liu, J.McDonaugh, T.Mix, B.Monteagudo, T.H.Redpath, W.F.Rogers, R.Seaton-Todd, A.Spyrou, K.Stiefel, M.Thoennessen, J.A.Tostevin, D.Votaw Neutron-unbound states in 31Ne NUCLEAR REACTIONS 9Be(33Mg, X)31Ne, E=89 MeV/nucleon; measured reaction fragments and neutrons detected by the MoNa-LISA-Sweeper array at NSCL-MSU cyclotron facility; reconstructed decay energy for 30Ne+n from invariant mass spectroscopy. 31Ne; deduced levels, neutron-unbound states from the two-body decay-energy spectrum. Comparison with shell-model calculations using FSU interaction within the NUSHELLX code, combined with two-proton knockout cross-section calculations using the eikonal reaction theory. Relevance to 31Ne being a prime example of a halo nucleus in the island of inversion.
doi: 10.1103/PhysRevC.104.034313
2021GA01 Nucl.Instrum.Methods Phys.Res. A985, 164603 (2021) P.Gastis, G.Perdikakis, G.P.A.Berg, A.C.Dombos, A.Estrade, A.Falduto, M.Horoi, S.N.Liddick, S.Lipschutz, S.Lyons, F.Montes, A.Palmisano, J.Pereira, J.S.Randhawa, T.Redpath, M.Redshaw, J.Schmitt, J.R.Sheehan, M.K.Smith, P.Tsintari, A.C.C.Villari, K.Wang, R.G.T.Zegers A technique for the study of (p, n) reactions with unstable isotopes at energies relevant to astrophysics NUCLEAR REACTIONS 1H(40Ar, n), E=3.52 MeV/nucleon; measured reaction products, En, In; deduced σ. Comparison with available data.
doi: 10.1016/j.nima.2020.164603
2021KI09 Phys.Lett. B 822, 136682 (2021) N.Kitamura, K.Wimmer, A.Poves, N.Shimizu, J.A.Tostevin, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, F.Nowacki, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, Y.Utsuno, D.Weisshaar, A.Westerberg Coexisting normal and intruder configurations in 32Mg NUCLEAR REACTIONS 9Be(33Mg, 32Mg), E=99.6 MeV/nucleon; 9Be(34Si, 32Mg), E=94.8 MeV/nucleon; measured reaction products, Eγ, Iγ. 32Mg; deduced γ-ray energies, J, π, level scheme, momentum distributions, one-neutron and two-proton knockout σ. Comparison with calculations, available data.
doi: 10.1016/j.physletb.2021.136682
2020KI19 Phys.Rev. C 102, 054318 (2020) N.Kitamura, K.Wimmer, N.Shimizu, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, J.A.Tostevin, N.Tsunoda, Y.Utsuno, D.Weisshaar, A.Westerberg Structure of 30Mg explored via in-beam γ-ray spectroscopy NUCLEAR REACTIONS 9Be(31Mg, 30Mg), E=97.9 MeV; 9Be(32Mg, 30Mg), E=99.1 MeV; 9Be(34Si, 30Mg), E=94.8 MeV; 9Be(35P, 30Mg), E=102.3 MeV, [secondary beams from 9Be(48Ca, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 separator for beam purification at NSCL-MSU facility]; measured reaction products using S800 spectrometer, Eγ, Iγ, γγ-coin, Doppler-corrected add-back γ-ray spectra using the Gamma-Ray Energy Tracking In-beam Nuclear Array (GRETINA) of seven modules, each module housing four HPGe crystals. 30Mg; deduced levels, J, π, population σ of levels, spectroscopic factors, parallel momentum distributions; calculated T-plots in (Q0, Q2) plane. Comparison with shell-model calculations using the SDPF-M and EEdf1 interactions for all states. Systematics of low-energy levels in 30Mg, 32Si, 34S, 36Ar, 38Ca. Relevance to "island of inversion".
doi: 10.1103/PhysRevC.102.054318
2020VO08 Phys.Rev. C 102, 014325 (2020) D.Votaw, P.A.DeYoung, T.Baumann, A.Blake, J.Boone, J.Brown, D.Chrisman, J.E.Finck, N.Frank, J.Gombas, P.Gueye, J.Hinnefeld, H.Karrick, A.N.Kuchera, H.Liu, B.Luther, F.Ndayisabye, M.Neal, J.Owens-Fryar, J.Pereira, C.Persch, T.Phan, T.Redpath, W.F.Rogers, S.Stephenson, K.Stiefel, C.Sword, A.Wantz, M.Thoennessen Low-lying level structure of the neutron-unbound N=7 isotones NUCLEAR REACTIONS 9Be(11Be, 8He), (11Be, 9Li), E=44 MeV/nucleon; 9Be(12B, 8He), (12B, 9Li), E=45 MeV/nucleon, [secondary 11Be and 12B beams from 9Be(16O, X), E=120 MeV/nucleon, followed by separation of ions of interest using A1900 Fragment Separator at the Coupled Cyclotron Facility of NSCL-MSU]; measured E(n), I(n), charged-particles, (particle)n-coin using the MoNA-LISA detector array for neutron detection and cathode readout drift chambers (CRDCs) for charged particles; deduced decay energy spectra of 9He and 10Li and neutron-unbound states. 9He, 10Li; deduced levels, resonances, widths, J, π, l-values of neutrons from the resonances in 9He and 10Li. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.102.014325
2017KA25 Phys.Lett. B 769, 549 (2017) A.Kankainen, P.J.Woods, H.Schatz, T.Poxon-Pearson, D.T.Doherty, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, A.Estrade, A.Gade, J.Jose, A.Kontos, C.Langer, G.Lotay, Z.Meisel, F.Montes, S.Noji, F.Nunes, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers Measurement of key resonance states for the 30P(p, γ)31S reaction rate, and the production of intermediate-mass elements in nova explosions NUCLEAR REACTIONS 2H(30P, n)31S, E=30 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, σ, negative-parity states, spectroscopic factors, resonance parameters, astrophysical reaction rates. The GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), the National Superconducting Cyclotron Laboratory, Michigan State University.
doi: 10.1016/j.physletb.2017.01.084
2017SC07 Phys.Rev.Lett. 118, 172501 (2017) M.Scott, R.G.Zegers, R.Almus, S.M.Austin, D.Bazin, B.A.Brown, C.Campbell, A.Gade, M.Bowry, S.Galies, U.Garg, M.N.Harakeh, E.Kwan, C.Langer, C.Loelius, S.Lipschutz, E.Litvinova, E.Lunderberg, C.Morse, S.Noji, G.Perdikakis, T.Redpath, C.Robin, H.Sakai, Y.Sasamoto, M.Sasano, C.Sullivan, J.A.ostevin, T.Uesaka, D.Weisshaar Observation of the Isovector Giant Monopole Resonance via the 28Si(10Be, 10B*[1.74 MeV]) Reaction at 100 A MeV NUCLEAR REACTIONS 28Si(10Be, 10B'), E=100 MeV/nucleon; measured reaction products, Eγ, Iγ. 28Al, 10B; deduced σ(θ, E), σ(θ), isobaric analog state in 10B, excitation-energy spectrum in 28Al, monopole and dipole contributions and the isovector giant dipole resonance and isovector giant monopole resonance (IVGMR). Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.118.172501
2016KA05 Eur.Phys.J. A 52, 6 (2016) A.Kankainen, P.J.Woods, F.Nunes, C.Langer, H.Schatz, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, D.T.Doherty, A.Estrade, A.Gade, A.Kontos, G.Lotay, Z.Meisel, F.Montes, S.Noji, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers Angle-integrated measurements of the 26Al (d, n) 27Si reaction cross section: a probe of spectroscopic factors and astrophysical resonance strengths NUCLEAR REACTIONS 2H(26Al, n), E=30 MeV/nucleon; measured 511 keV γ-ray using GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), Si recoils, (Si)γ-coin; deduced Doppler-reconstructed γ-ray spectrum in coincidence with Si, σ, resonances, spectroscopic factors to discrete states; calculated σ using shell model.
doi: 10.1140/epja/i2016-16006-5
2015LE17 Phys.Rev. C 92, 054309 (2015) A.Lepailleur, K.Wimmer, A.Mutschler, O.Sorlin, J.C.Thomas, V.Bader, C.Bancroft, D.Barofsky, B.Bastin, T.Baugher, D.Bazin, V.Bildstein, C.Borcea, R.Borcea, B.A.Brown, L.Caceres, A.Gade, L.Gaudefroy, S.Grevy, G.F.Grinyer, H.Iwasaki, E.Khan, T.Kroll, C.Langer, A.Lemasson, O.Llidoo, J.Lloyd, E.Lunderberg, F.Negoita, F.de Oliveira Santos, G.Perdikakis, F.Recchia, T.Redpath, T.Roger, F.Rotaru, S.Saenz, M.-G.Saint-Laurent, D.Smalley, D.Sohler, M.Stanoiu, S.R.Stroberg, M.Vandebrouck, D.Weisshaar, A.Westerberg Spectroscopy of 28Na: Shell evolution toward the drip line NUCLEAR REACTIONS 9Be(36S, X)22N/24O, 26F/27Ne/28Ne/29Na/30Na, E=77.6 MeV/nucleon; measured production yields using LISE spectrometer at GANIL. 9Be(31Mg, 28Na), (32Mg, 28Na), E=95 MeV/nucleon, [secondary 31,32Mg beams from 9Be(48Ca, X), E=140 MeV/nucleon using A1900 separator at NSCL-MSU; measured Eγ, Iγ, (28Na)γ-, γγ-coin, level half-life using S800 spectrograph for 28Na and GRETINA array for γ detection. 28Na; deduced levels, J, π, multipolarity. Comparison with shell-model calculations using WBA-M and USDA interactions. Systematics of binding energies for 26F, 28Na, 30Al. 25O, 26F, 27Ne; calculated levels, J, π using shell-model with WBA-M interaction. RADIOACTIVITY 28Ne(β-)[from 9Be(36S, X), E=77.6 MeV/nucleon at GANIL]; measured Eγ, Iγ, Eβ, βγ-coin, half-life of 28Ne activity using EXOGAM array for γ detection. 28Na; deduced levels, J, π, β feedings, logft. Comparison with shell model using the USDA interaction. 27,28Al, 27,28Mg, 28Si; observed γ rays from β decay of contaminants.
doi: 10.1103/PhysRevC.92.054309
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