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NSR database version of March 18, 2024.

Search: Author = G.Perdikakis

Found 75 matches.

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2023HE08      J.Phys.(London) G50, 060501 (2023)

C.Hebborn, F.M.Nunes, G.Potel, W.H.Dickhoff, J.W.Holt, M.C.Atkinson, R.B.Baker, C.Barbieri, G.Blanchon, M.Burrows, R.Capote, P.Danielewicz, M.Dupuis, C.Elster, J.E.Escher, L.Hlophe, A.Idini, H.Jayatissa, B.P.Kay, K.Kravvaris, J.J.Manfredi, A.Mercenne, B.Morillon, G.Perdikakis, C.D.Pruitt, G.H.Sargsyan, I.J.Thompson, M.Vorabbi, T.R.Whitehead

Optical potentials for the rare-isotope beam era

doi: 10.1088/1361-6471/acc348
Citations: PlumX Metrics


2023LE04      Eur.Phys.J. A 59, 42 (2023)

R.Lewis, A.Couture, S.N.Liddick, A.Spyrou, D.L.Bleuel, L.Crespo Campo, B.P.Crider, A.C.Dombos, M.Guttormsen, T.Kawano, A.C.Larsen, A.M.Lewis, S.Mosby, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem

Statistical (n, γ) cross section model comparison for short-lived nuclei

NUCLEAR REACTIONS 73Zn(n, γ), E<1 MeV; calculated σ using TALYS, EMPIRE, and CoH, level densities, γ-ray strength function. Comparison with experimental data.

doi: 10.1140/epja/s10050-023-00920-0
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2023TS02      Nucl.Instrum.Methods Phys.Res. A1046, 167666 (2023)

P.Tsintari, G.Perdikakis, H.Y.Lee, S.A.Kuvin, A.Georgiadou, H.I.Kim, D.Votaw, L.Zavorka

Implementation and validation of realistic (n, x) reaction yields in Geant4 utilizing a detailed evaluated nuclear reaction library below 20 MeV

NUCLEAR REACTIONS 1H(n, n), 12C, 16O, 63Cu, 58Ni(n, α), 14N, 58Ni, 63Cu, 27Al(n, p), E<20 MeV; measured reaction products, En, In; deduced σ, yields. Comparison with Geant4 simulations. The Low Energy Neutron-induced charged-particle (Z) chamber (LENZ), at LANSCE.

doi: 10.1016/j.nima.2022.167666
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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
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2022KU12      Phys.Rev. C 105, 044608 (2022)

S.A.Kuvin, H.Y.Lee, B.DiGiovine, C.Eiroa-Lledo, A.Georgiadou, M.Herman, T.Kawano, V.Mocko, S.Mosby, C.Vermeulen, D.Votaw, M.White, L.Zavorka, G.Perdikakis, P.Tsintari, H.I.Kim

Direct measurement of 59Ni(n, p) 59Co and 59Ni(n, α)56Fe at fast-neutron energies from 500 keV to 10 MeV

NUCLEAR REACTIONS 59Ni(n, p), (n, α), E=0.5-10 MeV; measured Ep, Ip, Eα, Iα, neutron time of flight, np-coin, nα-coin; deduced Q, inclusive and exclusive σ(E). Comparison to statistical Hauser-Feschbach calculations (TALYS, CoH3), evaluated data (ENDF/B-VIII.0, JEFF-3.3, JENDL-4.0) and other experimental results. Low Energy (n, z) (LENZ) setup consisting of annular double-sided silicon strip detectors at the WNR facility at the Los Alamos Neutron Science Center (LANSCE).

doi: 10.1103/PhysRevC.105.044608
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14787.


2022NA07      Nucl.Phys. A1018, 122359 (2022)

F.Naqvi, S.Karampagia, A.Spyrou, S.N.Liddick, A.C.Dombos, D.L.Bleuel, B.A.Brown, L.Crespo Campo, A.Couture, B.Crider, T.Ginter, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, G.Perdikakis, C.Prokop, T.Renstrom, S.Siem

Total absorption spectroscopy measurement on neutron-rich 74, 75Cu isotopes

RADIOACTIVITY 74,75Cu(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2, cumulative β-decay intensities, B(GT). Comparison with available data.

doi: 10.1016/j.nuclphysa.2021.122359
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2704.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2683.


2021PE08      Phys.Rev. C 103, 055808 (2021)

C.F.Persch, P.A.DeYoung, S.Lyons, A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, J.Gombas, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, J.Engel, M.Guttormsen, A.C.Larsen, R.Lewis, S.Karampagia, S.Mosby, E.M.Ney, A.Palmisano, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, M.K.Smith, S.J.Quinn

β-decay feeding intensity distributions of 71, 73Ni

RADIOACTIVITY 71,73Ni(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 fragment separator at NSCL-MSU facility]; measured implantation events and β particles using position-sensitive, double-sided, silicon-strip detector (DSSD), and two silicon PIN detectors for TOF and energy loss, Eγ, Iγ, half-lives of decays of 71,73Ni using a total absorption summing NaI(Tl) detector (SuN) surrounding the DSSD; deduced multiplicity spectra, Iβ(E) feedings, B(GT). GEANT4 and DICEBOX analysis of total absorption spectrum (TAS). Comparison with QRPA, and shell-model calculations, the latter using NuShellX@MSU code with JJ44B and JUN45 interaction Hamiltonians. Relevance to improvement in the nuclear input for r-process calculations.

NUCLEAR REACTIONS 9Be(86Kr, X)71Ni/73Ni/71Cu/73Cu/, E=140 MeV/nucleon; measured yields of reaction products using A1900 fragment separator and two silicon PIN detectors for TOF and energy loss at NSCL-MSU facility.

doi: 10.1103/PhysRevC.103.055808
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021VO11      Phys.Rev. C 104, 015805 (2021)

A.V.Voinov, K.Brandenburg, C.R.Brune, R.Giri, S.M.Grimes, T.Massey, Z.Meisel, S.N.Paneru, A.L.Richard, G.Perdikakis, A.Falduto

Reduction of the neutron imaginary potential off the stability line and its possible impact on neutron capture rates

NUCLEAR REACTIONS 48Ca(11B, X)59Mn*, E=21.8 MeV; measured E(n), I(n), E(p), I(p), Eα, Iα emitted by the compound nucleus 59Mn using ΔE-E Si detector telescope at the Edwards Accelerator Laboratory; analyzed optical model potentials (OMP) with their original parametrizations as well as with adjusted isovector imaginary components using EMPIRE code and BSFG Egidy level-density parametrization; deduced importance of inclusion of isovector component of the imaginary potential; discussed consequences for astrophysical reaction-rate calculations.

doi: 10.1103/PhysRevC.104.015805
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2654.


2020GA12      Phys.Rev. C 101, 055805 (2020)

P.Gastis, G.Perdikakis, J.Dissanayake, P.Tsintari, I.Sultana, C.R.Brune, T.N.Massey, Z.Meisel, A.V.Voinov, K.Brandenburg, T.Danley, R.Giri, Y.Jones-Alberty, S.Paneru, D.Soltesz, S.Subedi

Constraining the destruction rate of 40K in stellar nucleosynthesis through the study of the 40Ar(p, n)40K reaction

NUCLEAR REACTIONS 40Ar(p, n)40K, E(cm)=3.3-3.9 MeV; measured In, Eγ, Iγ, and differential σ(θ, E) using neutron time-of-flight technique with plastic scintillators for neutron detection and LaBr3 scintillator for γ detection at the Edwards Accelerator Laboratory of Ohio University; deduced total σ(E), and partial σ(E) populating discrete states. 40K(n, p), E(cm)=3.3-3.9 MeV; deduced thermonuclear reaction rates for the forward and reverse reactions. Comparison with Hauser-Feshbach calculations using the statistical model code TALYS, and with theoretical rates in the REACLIB library. Relevance to yield of 40K in nucleosynthesis, and impact on galactic chemical evolution models for the study of properties of exoplanets.

doi: 10.1103/PhysRevC.101.055805
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2570.


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
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019FU06      Phys.Rev. C 100, 034618 (2019)

H.Fujita, Y.Fujita, Y.Utsuno, K.Yoshida, T.Adachi, A.Algora, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, R.Hutton, D.Ishikawa, A.Krasznahorkay, H.Matsubara, F.Molina, H.Okamura, H.J.Ong, G.Perdikakis, B.Rubio, C.Scholl, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro

Experimental study of Gamow-Teller transitions via the high-energy-resolution 18O(3He, t)18F reaction: Identification of the low-energy "super"-Gamow-Teller state

NUCLEAR REACTIONS 18O(3He, t)18F, E=140 MeV/nucleon; measured E(t), I(t), angular distribution of tritons using Grand Raiden magnetic spectrometer at RCNP facility. 18F; deduced levels, J, π, L-transfers, widths, B(GT) Gamow-Teller strengths, low-energy super Gamow-Teller (LeSGT) state. DWBA analysis. Comparison with previous experimental and evaluated data, and with shell-model calculations using USDA, USDB and modified-PSDWBT interactions, and quasiparticle-random-phase approximation (QRPA) calculations.

doi: 10.1103/PhysRevC.100.034618
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019HO18      J.Phys.(London) G46, 083001 (2019)

C.J.Horowitz, A.Arcones, B.Cote, I.Dillmann, W.Nazarewicz, I.U.Roederer, H.Schatz, A.Aprahamian, D.Atanasov, A.Bauswein, T.C.Beers, J.Bliss, M.Brodeur, J.A.Clark, A.Frebel, F.Foucart, C.J.Hansen, O.Just, A.Kankainen, G.C.McLaughlin, J.M.Kelly, S.N.Liddick, D.M.Lee, J.Lippuner, D.Martin, J.Mendoza-Temis, B.D.Metzger, M.R.Mumpower, G.Perdikakis, J.Pereira, B.W.O'Shea, R.Reifarth, A.M.Rogers, D.M.Siegel, A.Spyrou, R.Surman, X.Tang, T.Uesaka, M.Wang

r-process nucleosynthesis: connecting rare-isotope beam facilities with the cosmos

doi: 10.1088/1361-6471/ab0849
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2019KA44      Phys.Lett. B 797, 134803 (2019)

D.Kahl, P.J.Woods, T.Poxon-Pearson, F.M.Nunes, B.A.Brown, H.Schatz, T.Baumann, D.Bazin, J.A.Belarge, P.C.Bender, B.Elman, A.Estrade, A.Gade, A.Kankainen, C.Lederer-Woods, S.Lipschutz, B.Longfellow, S.-J.Lonsdale, E.Lunderberg, F.Montes, W.J.Ong, G.Perdikakis, J.Pereira, C.Sullivan, R.Taverner, D.Weisshaar, R.Zegers

Single-particle shell strengths near the doubly magic nucleus 56Ni and the 56Ni(p, γ)57Cu reaction rate in explosive astrophysical burning

NUCLEAR REACTIONS 2H(56Ni, n), (56Ni, p), E=33.6 MeV/nucleon; measured reaction products, Eγ, Iγ. 57Cu; deduced σ, spectroscopic factors, resonance parameters, astrophysical reaction rates.

doi: 10.1016/j.physletb.2019.134803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2462. Data from this article have been entered in the XUNDL database. For more information, click here.


2019LE05      Phys.Rev. C 99, 034601 (2019)

R.Lewis, S.N.Liddick, A.C.Larsen, A.Spyrou, D.L.Bleuel, A.Couture, L.Crespo Campo, B.P.Crider, A.C.Dombos, M.Guttormsen, S.Mosby, F.Naqvi, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem

Experimental constraints on the 73Zn(n, γ)74Zn reaction rate

RADIOACTIVITY 74Cu(β-)[74Cu ions from Be(86Kr, X), E=140 MeV/nucleon reaction and using A1900 separator at NSCL-MSU facility]; measured β particles, Eγ, Iγ, βγ-coin, half-life of 74Cu decay using the Summing NaI detector for total absorption spectroscopy (TAS); deduced nuclear level density (NLD), and γ strength function (γSF) using the β-Oslo method, distribution of spins for levels in 74Zn around S(n). Comparison with previous experimental results, and with theoretical calculations using TALYS code. Results used to deduce σ for 73Zn(n, γ) reaction.

NUCLEAR REACTIONS 73Zn(n, γ), E=0.01-1 MeV; deduced σ(E), and astrophysical reaction rates using the experimental NLD and γSF. Comparison with Hauser-Feshbach statistical model calculations using TALYS code.

doi: 10.1103/PhysRevC.99.034601
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019LI35      Phys.Rev. C 100, 024624 (2019)

S.N.Liddick, A.C.Larsen, M.Guttormsen, A.Spyrou, B.P.Crider, F.Naqvi, J.E.Midtbo, F.L.Bello Garrote, D.L.Bleuel, L.Crespo Campo, A.Couture, A.C.Dombos, F.Giacoppo, A.Gorgen, K.Hadynska-Klek, T.W.Hagen, V.W.Ingeberg, B.V.Kheswa, R.Lewis, S.Mosby, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, G.M.Tveten, M.Wiedeking, F.Zeiser

Benchmarking the extraction of statistical neutron capture cross sections on short-lived nuclei for applications using the β-Oslo method

RADIOACTIVITY 51Sc(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin; deduced level density, γ-strength function. Measurement was performed at NSCL using the Summing NaI(Tl) detector SuN, used as a TAS.

NUCLEAR REACTIONS 50Ti(d, p)51Ti, E=12.5 MeV; measured Ep, Ip, Eγ, Iγ, γp-coin; deduced nuclear level density (NLD), γ strength function (γSF). Measurement was performed at the Oslo Cyclotron Laboratory, Sweden using the CACTUS NaI scintillator array.

doi: 10.1103/PhysRevC.100.024624
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2019LY02      Phys.Rev. C 100, 025806 (2019)

S.Lyons, A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, J.Engel, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, M.R.Mumpower, E.M.Ney, A.Palmisano, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, M.K.Smith, S.J.Quinn

69, 71Co β-decay strength distributions from total absorption spectroscopy

RADIOACTIVITY 69,71Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon, followed by in flight separation of fragments by the A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, Eβ, βγ-coin, half-lives of decays of 69,71Co decays, total absorption spectra using Summing NaI(Tl) (SuN) detector for γ rays and double-sided silicon strip detector (DSSD) for β; deduced cumulative Iβ distributions and compared to QRPA and Skyrme QRPA calculations, Gamow-Teller (GT) strength distribution. Comparison of decay half-lives with ENSDF values, and theoretical calculations using shell mode, QRPA and Skyrme QRPA. Relevance to r process in nucleosynthesis.

doi: 10.1103/PhysRevC.100.025806
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019VO05      Phys.Rev. C 99, 054609 (2019)

A.V.Voinov, T.Renstrom, D.L.Bleuel, S.M.Grimes, M.Guttormsen, A.C.Larsen, S.N.Liddick, G.Perdikakis, A.Spyrou, S.Akhtar, N.Alanazi, K.Brandenburg, C.R.Brune, T.W.Danley, S.Dhakal, P.Gastis, R.Giri, T.N.Massey, Z.Meisel, S.Nikas, S.N.Paneru, C.E.Parker, A.L.Richard

Level densities of 74, 76Ge from compound nuclear reactions

NUCLEAR STRUCTURE 68,70Zn(7Li, p), E=16 MeV; measured evaporated proton spectra from 2-25 MeV, σ, yields using silicon ΔE-E telescope at the Edwards tandem accelerator laboratory, Athens, Ohio. 74,76Ge; deduced nuclear level densities. Comparison with theoretical calculations using coupled-channel model of the EMPIRE code, GCM-RIPL-global, and BSFG-RIPL-global density models.

doi: 10.1103/PhysRevC.99.054609
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2019WO01      Phys.Rev.Lett. 122, 232701 (2019)

C.Wolf, C.Langer, F.Montes, J.Pereira, W.-J.Ong, T.Poxon-Pearson, S.Ahn, S.Ayoub, T.Baumann, D.Bazin, P.C.Bender, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, E.Deleeuw, B.Elman, S.Fiebiger, A.Gade, P.Gastis, S.Lipschutz, B.Longfellow, Z.Meisel, F.M.Nunes, G.Perdikakis, R.Reifarth, W.A.Richter, H.Schatz, K.Schmidt, J.Schmitt, C.Sullivan, R.Titus, D.Weisshaar, P.J.Woods, J.C.Zamora, R.G.T.Zegers

Constraining the Neutron Star Compactness: Extraction 23Al(p, γ) Reaction Rate for the rp Process

NUCLEAR REACTIONS 2H(23Al, n), E=48 MeV/nucleon; measured reaction products, En, In, Eγ, Iγ; deduced J, π, σ, σ(θ), resonance widths and spectroscopic strengths, reaction rates.

doi: 10.1103/PhysRevLett.122.232701
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2458. Data from this article have been entered in the XUNDL database. For more information, click here.


2018DE16      J.Phys.(London) G45, 055203 (2018)

P.Denissenkov, G.Perdikakis, F.Herwig, H.Schatz, C.Ritter, M.Pignatari, S.Jones, S.Nikas, A.Spyrou

The impact of (n, γ) reaction rate uncertainties of unstable isotopes near N = 50 on the i-process nucleosynthesis in He-shell flash white dwarfs

NUCLEAR REACTIONS 87,88,89Kr, 85,86Br, 89Rb, 89,92Sr(n, γ), E ∼ 30 keV; calculated mass fractions, astrophysical abundances of Rb, Sr, Y and Zr; deduced an impact of the uncertainties in the (n, γ) reaction rates on Monte Carlo simulation.

doi: 10.1088/1361-6471/aabb6e
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2018FO06      Phys.Rev. C 97, 035806 (2018)

V.Foteinou, S.Harissopulos, M.Axiotis, A.Lagoyannis, G.Provatas, A.Spyrou, G.Perdikakis, Ch.Zarkadas, P.Demetriou

Cross section measurements of proton capture reactions on Se isotopes relevant to the astrophysical p process

NUCLEAR REACTIONS 74,76,78,80Se(p, γ), E=1.5-6 MeV; 77,80,82Se(p, n), E=1.5-6 MeV; measured Eγ, Iγ, γ(θ), capture σ(E) by activation method using Dynamitron accelerator at the University of Stuttgart, and at Van de Graaff Tandem Accelerator of Laboratory of NCSR, Demokritos. 79,81Br; deduced levels, J, π, multipolarities, astrophysical S factors and reaction rates. 77Se(p, γ), E(cm)=1-4 MeV; 82Se(p, γ), E(cm)=6-18 MeV; 78Se(p, n), E(cm)=4.5-7 MeV; analyzed σ(E) data. Comparison with theoretical calculations using reaction code TALYS using global semimicroscopic and phenomenological models of optical potentials (OMPs), nuclear level densities (NLDs), and γ-ray strength functions (γSFs), and with previous experimental cross section data.

doi: 10.1103/PhysRevC.97.035806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2446.


2018LA07      Phys.Rev. C 97, 054329 (2018)

A.C.Larsen, J.E.Midtbo, M.Guttormsen, T.Renstrom, S.N.Liddick, A.Spyrou, S.Karampagia, B.A.Brown, O.Achakovskiy, S.Kamerdzhiev, D.L.Bleuel, A.Couture, L.Crespo Campo, B.P.Crider, A.C.Dombos, R.Lewis, S.Mosby, F.Naqvi, G.Perdikakis, C.J.Prokop, S.J.Quinn, S.Siem

Enhanced low-energy γ-decay strength of 70Ni and its robustness within the shell model

RADIOACTIVITY 70Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon followed by fragment separation using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, summed γ energies, β-γ-coin using double-sided silicon strip detector (DSSD) for electrons placed in the center of the Summing NaI (SuN) total absorption spectrometer for γ radiation. 70Ni; deduced nuclear level density (NLD) and γ-strength function (γSF) using β-Oslo method. Comparison with previous experimental results, and with HFB+c calculations.

NUCLEAR STRUCTURE 70Ni; calculated levels, J, π, B(E2), level densities, γSF, summed γSF, and M1 γ strengths for A=56-76 Ni isotopes. Quasiparticle time-blocking approximation and large-scale shell-model calculations with CA48MH1G and JUN45 interactions. Comparison with experimental results.

doi: 10.1103/PhysRevC.97.054329
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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
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2017MI06      Phys.Lett. B 769, 339 (2017)

K.Miki, R.G.T.Zegers, Sam M.Austin, D.Bazin, B.A.Brown, A.C.Dombos, R.K.Grzywacz, M.N.Harakeh, E.Kwan, S.N.Liddick, S.Lipschutz, E.Litvinova, M.Madurga, M.T.Mustonen, W.J.Ong, S.V.Paulauskas, G.Perdikakis, J.Pereira, W.A.Peters, C.Robin, M.Scott, A.Spyrou, C.Sullivan, R.Titus

Isovector excitations in 100Nb and their decays by neutron emission studied via the 100Mo(t, 3He + n) reaction at 115 MeV/ u

NUCLEAR REACTIONS 100Mo(t, 3He), E=115 MeV/nucleon; measured reaction products; deduced σ(θ, E), Gamow-Teller transition strength. Comparison with the single-particle estimate and spherical pn-(R)QRPA and pn-RQTBA calculations.

doi: 10.1016/j.physletb.2017.04.004
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2017ON01      Phys.Rev. C 95, 055806 (2017)

W.-J.Ong, C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.Cyburt, E.B.Deleeuw, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I.-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Low-lying level structure of 56Cu and its implications for the rp process

NUCLEAR REACTIONS 2H(56Ni, 56Cu), E AP 75 MeV/nucleon, [secondary 56Ni beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU facility]; measured ΔE-TOF particle identification for ions, Eγ, Iγ, γγ-, (56Cu ions)γ-coin using GRETINA array and S800 magnetic spectrograph. 56Cu; deduced levels, J, π. Comparison with mirror nucleus 56Co level scheme, and with shell-model calculations 55Ni(p, γ)56Cu, T9=0.1-10; deduced Q value, astrophysical reaction rates as function of temperature, and impact on the r-process around 56Ni.

NUCLEAR STRUCTURE 56Cu; calculated levels, resonance energies, J, π, spectroscopic factors, Γp, Γγ using shell model with the GXPF1A interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.055806
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2017PO13      Eur.Phys.J. A 53, 178 (2017)

G.Potel, G.Perdikakis, B.V.Carlson, M.C.Atkinson, W.H.Dickhoff, J.E.Escher, M.S.Hussein, J.Lei, W.Li, A.O.Macchiavelli, A.M.Moro, F.M.Nunes, S.D.Pain, J.Rotureau

Toward a complete theory for predicting inclusive deuteron breakup away from stability

NUCLEAR REACTIONS 93Nb(d, pn), E=10, 25.5 MeV; calculated σ(ln), σ(θn) assuming both elastic and nonelastic breakup. Compared with published calculations. 40,48,60Ca(d, pn), E=20, 40 MeV; calculated σ(Ep) vs En and vs ln using both elastic and nonelastic breakup and using Hussein-McVoy theory.

doi: 10.1140/epja/i2017-12371-9
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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
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2017SP03      J.Phys.(London) G44, 044002 (2017)

A.Spyrou, A.C.Larsen, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, M.Guttormsen, D.L.Bleuel, A.Couture, L.Crespo Campo, R.Lewis, S.Mosby, M.R.Mumpower, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem, R.Surman

Neutron-capture rates for explosive nucleosynthesis: the case of 68Ni(n, γ)69Ni

RADIOACTIVITY 69Co(β-); measured decay products, Eγ, Iγ; deduced the γ-ray strength function and the nuclear level density, T1/2. Comparison with available data.

doi: 10.1088/1361-6471/aa5ae7
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2016GA23      Phys.Rev. C 93, 064326 (2016)

E.Ganioglu, H.Fujita, B.Rubio, Y.Fujita, T.Adachi, A.Algora, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, C.Scholl, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro

High-resolution study of Gamow-Teller transitions in the 48Ti(3He, t)48V reaction

NUCLEAR REACTIONS 48Ti(3He, t), E=140 MeV/nucleon; measured E(t), I(t), σ(θ) using Grand Raiden spectrometer at RCNP-Osaka cyclotron facility. 48V; deduced levels, L-transfers, Tz=+2 to +1 Gamow-Teller transitions, Gamow-Teller B(GT) strengths. DWBA analysis. Comparisons with shell-model calculations using GXPF1J interaction, and with B(GT) results from 47Ti(3He, t)47V reaction. Predictions for β spectrum of mirror decay 48Fe to 48Mn.

doi: 10.1103/PhysRevC.93.064326
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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
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2016LI30      Phys.Rev.Lett. 116, 242502 (2016)

S.N.Liddick, A.Spyrou, B.P.Crider, F.Naqvi, A.C.Larsen, M.Guttormsen, M.Mumpower, R.Surman, G.Perdikakis, D.L.Bleuel, A.Couture, L.C.Campo, A.C.Dombos, R.Lewis, S.Mosby, S.Nikas, C.J.Prokop, T.Renstrom, B.Rubio, S.Siem, S.J.Quinn

Experimental Neutron Capture Rate Constraint Far from Stability

RADIOACTIVITY 70Co(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced nuclear level density as a function of excitation energy. Comparison with available data.

NUCLEAR REACTIONS 69Ni(n, γ), E<10 GK; calculated nuclear reaction capture rates using experimental level densities and code TALYS.

doi: 10.1103/PhysRevLett.116.242502
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2016SP04      Phys.Rev.Lett. 117, 142701 (2016)

A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, M.R.Mumpower, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, S.J.Quinn, S.Valenta

Strong Neutron-γ Competition above the Neutron Threshold in the Decay of 70Co

RADIOACTIVITY 70Co(β-) [9Be(86Kr, X)70Co, E=140 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced β-decay intensity, the large fragmentation of the β intensity at high energies, as well as the strong competition between γ-rays and neutrons. Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.117.142701
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2015FU08      Phys.Rev. C 91, 064316 (2015)

Y.Fujita, H.Fujita, T.Adachi, G.Susoy, A.Algora, C.L.Bai, G.Colo, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Nakada, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, H.Sagawa, P.Sarriguren, C.Scholl, Y.Shimbara, E.J.Stephenson, T.Suzuki, A.Tamii, J.H.Thies, K.Yoshida, R.G.T.Zegers, J.Zenihiro

High-resolution study of Gamow-Teller excitations in the 42Ca (3He, t) 42Sc reaction and the observation of a "low-energy super-Gamow-Teller state"

NUCLEAR REACTIONS 42Ca(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ) using Grand Raiden spectrometer at RCNP facility. 42Sc; deduced levels, J, π, IAS, isospin of excited GT states, L-transfers, B(GT), configurations. Comparison of B(GT) values with those for 44,48Sc, and from 42Ti β+ decay to 42Sc. Isospin assignments made in comparison with results from 42Ca(p, p') reaction. Comparison with shell-model calculations using GXPF1J interaction. 12N, 16F, 40,44Sc; observed peaks from contaminants in the target material, and appropriate corrections applied to triton spectra for 42Sc.

doi: 10.1103/PhysRevC.91.064316
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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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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2179. Data from this article have been entered in the XUNDL database. For more information, click here.


2014FU02      Phys.Rev.Lett. 112, 112502 (2014)

Y.Fujita, H.Fujita, T.Adachi, C.L.Bai, A.Algora, G.P.A.Berg, P.von Brentano, G.Colo, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.Fransen, D.De Frenne, K.Fujita, E.Ganioglu, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, E.Jacobs, A.Krasznahorkay, H.Matsubara, K.Matsuyanagi, R.Meharchand, F.Molina, K.Muto, K.Nakanishi, A.Negret, H.Okamura, H.J.Ong, T.Otsuka, N.Pietralla, G.Perdikakis, L.Popescu, B.Rubio, H.Sagawa, P.Sarriguren, C.Scholl, Y.Shimbara, Y.Shimizu, G.Susoy, T.Suzuki, Y.Tameshige, A.Tamii, J.H.Thies, M.Uchida, T.Wakasa, M.Yosoi, R.G.T.Zegers, K.O.Zell, J.Zenihiro

Observation of Low- and High-Energy Gamow-Teller Phonon Excitations in Nuclei

NUCLEAR REACTIONS 42Ca, 46Ti, 50Cr, 54Fe(3He, t), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced cumulative-sum strengths of the experimental B(GT) values in the final nuclei, two kinds of GT phonon states. GXPF1J, quasi particle random phase approximation (QRPA) framework based on a self-consistent Hartree-Fock mean field with Skyrme interaction calculations, comparison with available data.

doi: 10.1103/PhysRevLett.112.112502
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2014KA27      Phys.Rev. C 89, 064313 (2014)

M.Karakoc, R.G.T.Zegers, B.A.Brown, Y.Fujita, T.Adachi, I.Boztosun, H.Fujita, M.Csatlos, J.M.Deaven, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, G.Perdikakis, C.Scholl, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, J.Zenihiro

Gamow-Teller transitions in the A=40 isoquintet of relevance for neutrino captures in 40Ar

NUCLEAR REACTIONS 40Ar(3He, t), E=140 MeV/nucleon; measured triton spectra, σ using Grand-Raiden spectrometer at RCNP facility. 40K; deduced levels, J, π, B(GT) DWBA analysis. Main focus on 1+ states at 2290 and 2730 keV. Other details to appear in a future publication. 40Ar(p, n)40K; 40Ti(β+), (EC); analyzed previous experimental results, and compared Gamow-Teller B(GT) strengths in all three studies. Comparison with shell-model calculations in the sd-pf shell with a new interaction (WBMB-C) to study differences between structure of transitions from 40Ar and 40Ti. Discussed ratio of the cross sections for low-lying 1+ states populated in 40Ar(p, n) and 40Ar(3He, t) reactions. Relevance of 40Ar in the use of liquid argon as a medium for neutrino detection.

doi: 10.1103/PhysRevC.89.064313
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2014LA16      Phys.Rev.Lett. 113, 032502 (2014)

C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Determining the rp-Process Flow through 56Ni: Resonances in 57Cu(p, γ)58Zn identified with GRETINA

NUCLEAR REACTIONS 2H(57Cu, n), E=75 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance energies, J, π, reaction rates. Shell model calculations, GXPF1A interaction.

doi: 10.1103/PhysRevLett.113.032502
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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
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2014SC17      Phys.Rev. C 90, 025801 (2014)

M.Scott, Y.Shimbara, SamM.Austin, D.Bazin, B.A.Brown, J.M.Deaven, Y.Fujita, C.J.Guess, S.Gupta, G.W.Hitt, D.Koeppe, R.Meharchand, M.Nagashima, G.Perdikakis, A.Prinke, M.Sasano, C.Sullivan, L.Valdez, R.G.T.Zegers

Gamow-Teller transition strengths from 56Fe extracted from the 56Fe (t, 3He) reaction

NUCLEAR REACTIONS 56Fe(t, 3He), E=115 MeV/nucleon, [secondary triton beam from 9Be(16O, X), E=150 MeV/nucleon primary reaction]; measured 3He spectra, differential σ(θ) as function of excitation energy using S800 magnetic spectrograph at NSCL-MSU facility; deduced L-transfer, Gamow-Teller (GT) strength distribution, electron capture rates in 56Fe at astrophysical temperatures T9=2-10. DWBA analysis. Comparison with data from 56Fe(p, n), and with shell-model calculations in the pf-shell model space using the KB3G and GXPF1a interactions, and with calculations in the quasi-particle random-phase approximation (QRPA).

doi: 10.1103/PhysRevC.90.025801
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2014SP05      Phys.Rev.Lett. 113, 232502 (2014)

A.Spyrou, S.N.Liddick, A.C.Larsen, M.Guttormsen, K.Cooper, A.C.Dombos, D.J.Morrissey, F.Naqvi, G.Perdikakis, S.J.Quinn, T.Renstrom, J.A.Rodriguez, A.Simon, C.S.Sumithrarachchi, R.G.T.Zegers

Novel technique for Constraining r-Process (n, γ) Reaction Rates

RADIOACTIVITY 76Ga(β-) [from Be(76Ge, X), E=130 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced nuclear level density and γ-ray strength function, restrictions on 75Ge(n, γ) reaction σ and rate. Hauser-Feshbach calculations.

doi: 10.1103/PhysRevLett.113.232502
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2013FU08      Phys.Rev. C 88, 014308 (2013)

Y.Fujita, T.Adachi, H.Fujita, A.Algora, B.Blank, M.Csatlos, J.M.Deaven, E.Estevez Aguado, E.Ganioglu, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, C.Scholl, Y.Shimbara, E.J.Stephenson, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro

High-resolution study of TZ = +2 → +1 Gamow-Teller transitions in the 44Ca(3He, t)44Sc reaction

NUCLEAR REACTIONS 44Ca(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ) using Grand Raiden magnetic spectrometer at RCNP facility. 44Sc; deduced levels, IAS, L transfers, J, π, B(GT) strengths, Ikeda sum rule for B(GT). Comparison with data from 44Ca(p, p'), E=200 MeV reaction populating T=1 states in 44Ca. Comparison with shell-model calculations using GXPF1J effective interaction. Discussed double isobaric analog state in 44Ca, and analog states in A=44 system of 44K, 44Ca, 44Sc, 44Ti, 44V, 44Cr nuclei.

RADIOACTIVITY 44Cr(β+), (β+p); deduced half-life of 44Cr, and β+ spectrum based on B(GT) from 44Ca(3He, t) reaction; compared β+ spectrum with measured delayed-proton spectrum.

doi: 10.1103/PhysRevC.88.014308
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2013GA04      Phys.Rev. C 87, 014321 (2013)

E.Ganioglu, H.Fujita, Y.Fujita, T.Adachi, A.Algora, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, C.Scholl, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro

High-resolution study of Gamow-Teller transitions in the 47Ti(3He, t)47V reaction

NUCLEAR REACTIONS 47Ti(3He, t), E=140 MeV/nucleon; measured E(t), I(t), σ(θ) using Grand Raiden magnetic spectrometer at the RCNP, Osaka. 47V; deduced levels, IAS, L-transfer, J, π, Gamow-Teller strengths. DWBA analysis. Comparison with shell-model calculations using the GXPF1 interaction.

doi: 10.1103/PhysRevC.87.014321
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2013HO21      Phys.Rev. C 88, 044317 (2013)

C.R.Hoffman, M.Albers, M.Alcorta, S.Almaraz-Calderon, B.B.Back, S.I.Baker, S.Bedoor, P.F.Bertone, B.P.Kay, J.C.Lighthall, T.Palchan, R.C.Pardo, G.Perdikakis, K.E.Rehm, A.M.Rogers, D.Santiago-Gonzalez, C.Yuan, J.P.Schiffer

Single-neutron excitations in 18N

NUCLEAR REACTIONS 2H(17N, p), [17N secondary beam from 9Be(18O, X), E=14.7 MeV/nucleon primary reaction], E=13.6 MeV/nucleon; measured E(p), I(p), σ(θ) using HELIOS spectrometer and array at ATLAS-ANL facility. 18N; deduced levels, J, π, l-transfer, spectroscopic factors, spectroscopic strengths, configuration. DWBA analysis of σ(θ) data for (d, p) reaction in inverse kinematics. 17C, 18N, 19O; systematics of low-lying states in N=11 isotones, and comparison with shell-model calculations.

doi: 10.1103/PhysRevC.88.044317
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2012BU09      Phys.Rev. C 85, 064328 (2012)

A.Burger, A.C.Larsen, S.Hilaire, M.Guttormsen, S.Harissopulos, M.Kmiecik, T.Konstantinopoulos, M.Krticka, A.Lagoyannis, T.Lonnroth, K.Mazurek, M.Norrby, H.T.Nyhus, G.Perdikakis, S.Siem, A.Spyrou, N.U.H.Syed

Nuclear level density and γ-ray strength function of 43Sc

NUCLEAR REACTIONS 46Ti(p, α), E=32 MeV; measured Eγ, Eα, αγ-coin. 43Sc; deduced nuclear level density and γ-ray strength function. Comparison with 45Sc level density, and with microscopic, combinatorial model calculations. Oslo method.

doi: 10.1103/PhysRevC.85.064328
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2012LA02      Phys.Rev. C 85, 014320 (2012)

A.C.Larsen, S.Goriely, A.Burger, M.Guttormsen, A.Gorgen, S.Harissopulos, M.Kmiecik, T.Konstantinopoulos, A.Lagoyannis, T.Lonnroth, K.Mazurek, M.Norrby, H.T.Nyhus, G.Perdikakis, A.Schiller, S.Siem, A.Spyrou, N.U.H.Syed, H.K.Toft, G.M.Tveten, A.Voinov

Primary γ-ray spectra in 44Ti of astrophysical interest

NUCLEAR REACTIONS 46Ti(p, t), E=32 MeV; measured particle spectra, Eγ, Iγ, γγ-, (particle)γ-coin, primary continuum γ spectra 44Ti; deduced levels, J, π, radiative strength function, level density, average radiative width by applying the Oslo method. 46,48Ti; deduced levels, J, π. 40Ca(α, γ)44Ti; analyzed cross sections of astrophysical interest using TALYS code. Comparison with generalized Lorentzian (GLO) and previous studies.

doi: 10.1103/PhysRevC.85.014320
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2012LO08      Phys.Rev. C 86, 014313 (2012)

G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

β-delayed proton emission in the 100Sn region

RADIOACTIVITY 89Ru, 91,92Rh, 93Pd, 95,96,96mAg, 96,97,97mCd, 98,98m,99,100In, 100,101Sn[from 9Be(112Sn, X), E=140 MeV/nucleon](β+), (EC), (β+p); measured Eγ, Iγ, β spectra, E(p), I(p), βγ-coin, βp-coin, γβp-coin, fragment yields, half-lives, β-delayed proton emission branching ratios using NSCL Beta Counting System and SeGA array. Discussed rp-process implications. Comparison with previous studies and theoretical calculations. X-ray bursts calculations.

doi: 10.1103/PhysRevC.86.014313
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2012ME05      Phys.Rev.Lett. 108, 122501 (2012)

R.Meharchand, R.G.T.Zegers, B.A.Brown, Sam M.Austin, T.Baugher, D.Bazin, J.Deaven, A.Gade, G.F.Grinyer, C.J.Guess, M.E.Howard, H.Iwasaki, S.McDaniel, K.Meierbachtol, G.Perdikakis, J.Pereira, A.M.Prinke, A.Ratkiewicz, A.Signoracci, S.Stroberg, L.Valdez, P.Voss, K.A.Walsh, D.Weisshaar, and R.Winkler

Probing Configuration Mixing in 12Be with Gamow-Teller Transition Strengths

NUCLEAR REACTIONS Li(12B, 7Be)12Be, E=80 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), B(GT) transition strength, level energies, J, π. Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.108.122501
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2012SA37      Phys.Rev. C 86, 034324 (2012)

M.Sasano, G.Perdikakis, R.G.T.Zegers, SamM.Austin, D.Bazin, B.A.Brown, C.Caesar, A.L.Cole, J.M.Deaven, N.Ferrante, C.J.Guess, G.W.Hitt, M.Honma, R.Meharchand, F.Montes, J.Palardy, A.Prinke, L.A.Riley, H.Sakai, M.Scott, A.Stolz, T.Suzuki, L.Valdez, K.Yako

Extraction of Gamow-Teller strength distributions from 56Ni and 55Co via the (p, n) reaction in inverse kinematics

NUCLEAR REACTIONS 1H(55Co, n), E=106 MeV/nucleon; 1H(56Ni, n), E=110 MeV/nucleon, [55Co and 56Ni secondary beams from Be(58Ni, X), E=160 MeV/nucleon primary reaction]; measured E(n), I(n), neutron time of flight, differential σ(θ), excitation spectra using LENDA neutron detector array at NSCL facility. 55Co, 56Ni; deduced Gamow-Teller strengths in (p, n) reactions. Comparison with shell-model calculations in pf shell with KB3G and GXPF1J interactions. Be(58Ni, X)52Fe/53Fe/53Co/54Co/55Ni/55Co/56Ni/56Cu, E=160 MeV/nucleon; measured particle spectra, yields.

doi: 10.1103/PhysRevC.86.034324
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2012ST22      J.Phys.:Conf.Ser. 381, 012096 (2012)

L.Stuhl, A.Krasznahorkay, M.Csatlos, T.Marketin, E.Litvinova, T.Adachi, A.Algora, J.Daeven, E.Estevez, H.Fujita, Y.Fujita, C.Guess, J.Gulyas, K.Hatanaka, K.Hirota, H.J.Ong, D.Ishikawa, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, G.Perdikakis, B.Rubio, C.Scholl, T.Suzuki, G.Susoy, A.Tamii, J.Thies, R.Zegers, J.Zenihiro

Soft spin-dipole resonances in 40Ca

NUCLEAR REACTIONS 40,42,44,48Ca(3He, t), E=420 MeV; measured E(triton), I(triton, θ) using magnetic spectrometer Grand Riden at forward angles; deduced unnormalized σ(θ) to IAS and some excited states using GASPAN program package. 40,42,44,48Sc deduced dipole transition strength distribution, periodic spin-dipole strength distribution (most in 40Sc) resembling multi-phonon vibrational band; calculated isospin-flip, spin-isospin-flip dipole transition strength functions using RRPA (relativistic RPA).

doi: 10.1088/1742-6596/381/1/012096
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2011BE34      Phys.Rev. C 84, 041303 (2011)

A.D.Becerril, G.Lorusso, A.M.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

High-spin μs isomeric states in 96Ag

NUCLEAR REACTIONS 9Be(112Sn, X), E=120 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γγ-coin, isomer T1/2. 96Ag; deduced levels, J, π. A1900 Fragment Separator and SeGA array at NSCL. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.84.041303
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2011GU02      Phys.Rev. C 83, 014312 (2011)

M.Guttormsen, A.C.Larsen, A.Burger, A.Gorgen, S.Harissopulos, M.Kmiecik, T.Konstantinopoulos, M.Krticka, A.Lagoyannis, T.Lonnroth, K.Mazurek, M.Norrby, H.T.Nyhus, G.Perdikakis, A.Schiller, S.Siem, A.Spyrou, N.U.H.Syed, H.K.Toft, G.M.Tveten, A.Voinov

Fermi?s golden rule applied to the γ decay in the quasicontinuum of 46Ti

NUCLEAR REACTIONS 46Ti(p, p'), E=15 MeV; measured Ep, Ip, pγ-coin, excitation functions; deduced level density and radiative strength function (RSF) using Oslo method. Fermi?s golden rule employed to disentangle the γ strength and level density in the γ decay between states in the quasicontinuum of 46Ti.

doi: 10.1103/PhysRevC.83.014312
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2011GU14      Phys.Rev. C 83, 064318 (2011)

C.J.Guess, T.Adachi, H.Akimune, A.Algora, S.M.Austin, D.Bazin, B.A.Brown, C.Caesar, J.M.Deaven, H.Ejiri, E.Estevez, D.Fang, A.Faessler, D.Frekers, H.Fujita, Y.Fujita, M.Fujiwara, G.F.Grinyer, M.N.Harakeh, K.Hatanaka, C.Herlitzius, K.Hirota, G.W.Hitt, D.Ishikawa, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, G.Perdikakis, V.Rodin, B.Rubio, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, C.Tur, N.Verhanovitz, M.Yosoi, J.Yurkon, R.G.T.Zegers, J.Zenihiro

The 150Nd(3He, t) and 150Sm(t, 3He) reactions with applications to ββ decay of 150Nd

NUCLEAR REACTIONS 150Nd(3He, t), E=140 MeV/nucleon; 150Sm(t, 3He), E=115 MeV/nucleon; measured triton and 3He spectra, excitation energy spectra, differential cross sections, σ(θ) 150Pm; deduced B(GT) strengths; isovector spin-flip giant monopole resonance (IVSGMR). Grand Raiden Spectrometer for (3He, t) and S-800 spectrometer for (t, 3He). Comparison with Quasi-Particle Random Phase Approximation (QRPA) calculations. Application to double β decay of 150Nd.

RADIOACTIVITY 150Nd(2β-); calculated matrix elements for 0νββ and 2νββ decay modes using QRPA calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.064318
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2011LO09      Phys.Lett. B 699, 141 (2011)

G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

Half-lives of ground and isomeric states in 97Cd and the astrophysical origin of 96Ru

RADIOACTIVITY 97Cd(β+), (β+p) [from 9Be(112Sn, X), E=120 MeV/nucleon]; measured proton spectra, Eγ, Iγ; deduced evidence for a high spin isomer (25/2+), T1/2, level energies, J, π. Comparison with nuclear shell model and astrophysical overproduction factors calculations.

doi: 10.1016/j.physletb.2011.03.043
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2011PE12      Phys.Rev. C 83, 054614 (2011)

G.Perdikakis, R.G.T.Zegers, S.M.Austin, D.Bazin, C.Caesar, J.M.Deaven, A.Gade, D.Galaviz, G.F.Grinyer, C.J.Guess, C.Herlitzius, G.W.Hitt, M.E.Howard, R.Meharchand, S.Noji, H.Sakai, Y.Shimbara, E.E.Smith, C.Tur

Gamow-Teller unit cross sections for (t, 3He) and (3He, t) reactions

NUCLEAR REACTIONS 1,2H, 12C(t, 3He), E=115 MeV/nucleon; measured σ(θ), B(GT), excitation-energy spectrum. 6Li, 13C, 26Mg(t, 3He), E=115 MeV/nucleon; 12,13C, 18O, 26Mg, 58,62,64Ni, 68Zn, 118,120Sn(3He, t), E=140 MeV/nucleon; A=1-120 targets; analyzed cross section, B(GT), unit cross sections, distortion factors, volume integrals, kinematic factors. Plane and distorted-wave Born calculations.

doi: 10.1103/PhysRevC.83.054614
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2011SA52      Phys.Rev.Lett. 107, 202501 (2011)

M.Sasano, G.Perdikakis, R.G.T.Zegers, Sam M.Austin, D.Bazin, B.A.Brown, C.Caesar, A.L.Cole, J.M.Deaven, N.Ferrante, C.J.Guess, G.W.Hitt, R.Meharchand, F.Montes, J.Palardy, A.Prinke, L.A.Riley, H.Sakai, M.Scott, A.Stolz, L.Valdez, K.Yako

Gamow-Teller Transition Strengths from 56Ni

NUCLEAR REACTIONS 1H(56Ni, n), E=110 MeV/nucleon; measured reaction products, En, In; deduced σ(θ, E), σ, Gamow-Teller strength distribution. Comparison with shell model calculations using KB3G and GXPF1A interactions.

RADIOACTIVITY 56Cu(p); measured decay products.

doi: 10.1103/PhysRevLett.107.202501
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2011ST03      Acta Phys.Pol. B42, 667 (2011)

L.Stuhl, A.Krasznahorkay, M.Csatlos, T.Adachi, A.Algora, J.Deaven, E.Estevez, H.Fujita, Y.Fujita, C.Guess, J.Gulyas, K.Hatanaka, K.Hirota, H.J.Ong, D.Ishikawa, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, G.Perdikakis, B.Rubio, C.Scholl, T.Suzuki, G.Susoy, A.Tamii, J.Thies, R.Zegers, J.Zenihiro

High Resolution Study of the Relative Dipole Strength Distribution in Sc Isotopes

NUCLEAR REACTIONS Ca(3He, t)40Sc/42Sc/44Sc/48Sc, E=420 MeV; measured triton spectra; deduced σ(θ), dipole strength, possible existence of soft dipole vibrations.

doi: 10.5506/APhysPolB.42.667
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2009GU23      Phys.Rev. C 80, 024305 (2009)

C.J.Guess, R.G.T.Zegers, B.A.Brown, S.M.Austin, D.Bazin, C.Caesar, J.M.Deaven, G.F.Grinyer, C.Herlitzius, G.W.Hitt, S.Noji, R.Meharchand, G.Perdikakis, H.Sakai, Y.Shimbara, C.Tur

Spectroscopy of 13B via the 13C(t, 3He) reaction at 115A MeV

NUCLEAR REACTIONS 13C(t, 3He), E=115 MeV/nucleon; measured 3He spectra, σ(θ); deduced Gamow-Teller strengths for dipole transitions. 13B; deduced levels, J, π. Comparison with shell-model calculations using WBT and WBP interactions.

doi: 10.1103/PhysRevC.80.024305
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2009ST04      Phys.Rev. C 79, 015803 (2009)

J.B.Stoker, P.F.Mantica, D.Bazin, A.Becerril, J.S.Berryman, H.L.Crawford, A.Estrade, C.J.Guess, G.W.Hitt, G.Lorusso, M.Matos, K.Minamisono, F.Montes, J.Pereira, G.Perdikakis, H.Schatz, K.Smith, R.G.T.Zegers

β-decay half-life of the rp-process waiting-point nuclide 84Mo

RADIOACTIVITY 80Y, 81Zr, 83,84Nb, 84Mo(EC), (β+) [from 9Be(124Xe, X), E=140 MeV/nucleon]; measured Eγ, (particle)-γ coin, (particle)-β coin, half-life. 64Ge, 68Se, 72Kr, 76Sr, 80Zr, 84Mo, 88Ru;systematics of half-lives and yrast states. Comparisons with QRPA predictions.

NUCLEAR REACTIONS 9Be(124Xe, X)73As/74Se/76Br/77Kr/78Rb/79Sr/80Y/81,82Zr/83Nb/84Nb/84Mo, E=140 MeV/nucleon; measured yields.

doi: 10.1103/PhysRevC.79.015803
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2009SY02      Phys.Rev. C 80, 044309 (2009)

N.U.H.Syed, A.C.Larsen, A.Burger, M.Guttormsen, S.Harissopulos, M.Kmiecik, T.Konstantinopoulos, M.Krticka, A.Lagoyannis, T.Lonnroth, K.Mazurek, M.Norby, H.T.Nyhus, G.Perdikakis, S.Siem, A.Spyrou

Extraction of thermal and electromagnetic properties in 45Ti

NUCLEAR REACTIONS 46Ti(p, d), E=32 MeV; measured Eγ, (particle)γ-coin; deduced level densities, γ-ray strength function, entropy, temperature, and spin distributions using Oslo method. Comparison of measured level densities with combinatorial BCS model calculations using Nilsson orbitals, and measured γ-ray strength functions with generalized Lorentzian model calculations.

doi: 10.1103/PhysRevC.80.044309
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2008BA53      Phys.Rev.Lett. 101, 252501 (2008)

D.Bazin, F.Montes, A.Becerril, G.Lorusso, A.Amthor, T.Baumann, H.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.Mantica, M.Matos, R.Meharchand, K.Minamisono, G.Perdikakis, J.Pereira, J.Pinter, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers

Production and β Decay of rp-Process Nuclei 96Cd, 98In, and 100Sn

NUCLEAR REACTIONS 9Be(112Sn, X)96Cd/98In/100Sn, E=120 MeV/nucleon; measured cross sections.

RADIOACTIVITY 96Cd, 98In, 100Sn; measured decay spectra, half-lives.

doi: 10.1103/PhysRevLett.101.252501
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2007GA29      Nucl.Instrum.Methods Phys.Res. B261, 969 (2007)

S.Galanopoulos, R.Vlastou, C.T.Papadopoulos, M.Kokkoris, G.Perdikakis, M.Serris, P.Demetriou

Experimental and theoretical studies of (n, p) reactions on Ge isotopes

NUCLEAR REACTIONS 72,73Ge(n, p), E=8.8-11.4 MeV; measured cross sections using activation technique. Compared results to model calculations.

doi: 10.1016/j.nimb.2007.04.007
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2007PA09      Nucl.Phys. A784, 13 (2007)

A.Pakou, A.Musumarra, D.Pierroutsakou, N.Alamanos, P.A.Assimakopoulos, N.Divis, G.Doukelis, A.Gillibert, S.Harissopulos, G.Kalyva, M.Kokkoris, A.Lagoyannis, T.J.Mertzimekis, N.G.Nicolis, C.Papachristodoulou, G.Perdikakis, D.Roubos, K.Rusek, S.Spyrou, Ch.Zarkadas

6, 7Li + 28Si total reaction cross sections at near barrier energies

NUCLEAR REACTIONS 28Si(6Li, X), (7Li, X), E=8-13 MeV; measured reaction σ; deduced potential anomaly features. Comparison with previous results and model predictions.

doi: 10.1016/j.nuclphysa.2006.12.007
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2007PA14      Phys.Rev. C 75, 034607 (2007)

N.Patronis, C.T.Papadopoulos, S.Galanopoulos, M.Kokkoris, G.Perdikakis, R.Vlastou, A.Lagoyannis, S.Harissopulos

Activation cross section and isomeric cross-section ratio for the (n, 2n) reaction on 191Ir

NUCLEAR REACTIONS 191Ir(n, 2n), E=10.0-11.3 MeV; measured activation σ, isomer ratio. Comparison with statistical model predictions.

doi: 10.1103/PhysRevC.75.034607
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2007PE07      J.Radioanal.Nucl.Chem. 272, 223 (2007)

G.Perdikakis, C.T.Papadopoulos, M.Kokkoris, R.Vlastou, S.Galanopoulos, A.Lagoyannis, A.Spyrou, G.Kalyva, N.Patronis

Study of the 241Am(n, 2n)240Am reaction cross section in the energy range of En = 8.8-11.1 MeV

NUCLEAR REACTIONS 241Am(n, 2n), E=8.8-11.1 MeV; measured σ. Activation method. Comparison with model predictions, previous results.

doi: 10.1007/s10967-007-0504-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22936.


2007VL01      J.Radioanal.Nucl.Chem. 272, 219 (2007)

R.Vlastou, C.T.Papadopoulos, M.Kokkoris, G.Perdikakis, S.Galanopoulos, M.Serris, A.Lagoyannis, S.Harissopulos

Neutron induced reactions at the Athens Tandem Accelerator NCSR "Demokritios"

NUCLEAR REACTIONS 72,74Ge(n, α), 72,73Ge(n, p), 174,176Hf(n, 2n), E ≈ 8-11.5 MeV; measured σ. Activation method, comparison with previous results.

doi: 10.1007/s10967-007-0503-8
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22969.


2006PA07      Phys.Lett. B 633, 691 (2006)

A.Pakou, N.Alamanos, N.M.Clarke, N.J.Davis, G.Doukelis, G.Kalyva, M.Kokkoris, A.Lagoyannis, T.J.Mertzimekis, A.Musumarra, N.G.Nicolis, C.Papachristodoulou, N.Patronis, G.Perdikakis, D.Pierroutsakou, D.Roubos, K.Rusek, S.Spyrou, Ch.Zarkadas

The 6Li exclusive breakup on 28Si at 13 MeV

NUCLEAR REACTIONS 28Si(6Li, dα), E=13 MeV; measured Ed, Id, Eα, Iα, (alpha)(deuteron)-coin, σ(θ), σ. Comparison with previous results and model predictions.

doi: 10.1016/j.physletb.2005.11.088
Citations: PlumX Metrics


2006PE14      Phys.Rev. C 73, 067601 (2006)

G.Perdikakis, C.T.Papadopoulos, R.Vlastou, A.Lagoyannis, A.Spyrou, M.Kokkoris, S.Galanopoulos, N.Patronis, D.Karamanis, Ch.Zarkadas, G.Kalyva, S.Kossionides

Measurement of the 241Am(n, 2n) reaction cross section using the activation method

NUCLEAR REACTIONS 241Am(n, 2n), E=8.8-11.4 MeV; measured σ. Activation method.

doi: 10.1103/PhysRevC.73.067601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22936.


2005HA56      J.Phys.(London) G31, S1417 (2005)

S.Harissopulos, A.Lagoyannis, A.Spyrou, Ch.Zarkadas, S.Galanopoulos, G.Perdikakis, H.-W.Becker, C.Rolfs, F.Strieder, R.Kunz, M.Fey, J.W.Hammer, A.Dewald, K.-O.Zell, P.von Brentano, R.Julin, P.Demetriou

Proton and alpha-particle capture reactions at sub-Coulomb energies relevant to the p process

NUCLEAR REACTIONS 104Pd(p, γ), E(cm)=2-8 MeV; 118Sn(α, γ), E(cm)=10-11 MeV; measured Eγ, Iγ, σ. Comparison with model predictions.

doi: 10.1088/0954-3899/31/10/006
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1291.


2005PA35      Phys.Rev. C 71, 064602 (2005)

A.Pakou, N.G.Nicolis, K.Rusek, N.Alamanos, G.Doukelis, A.Gillibert, G.Kalyva, M.Kokkoris, A.Lagoyannis, A.Musumarra, C.Papachristodoulou, G.Perdikakis, D.Pierroutsakou, E.C.Pollacco, A.Spyrou, Ch.Zarkadas

α-particle production: Direct and compound contribution in the reaction 7Li + 28Si at near-barrier energies

NUCLEAR REACTIONS 28Si(7Li, αX), E=9, 10, 11, 13 MeV; measured Eα, σ, σ(θ); deduced direct and compound contributions. Statistical model and DWBA analysis.

doi: 10.1103/PhysRevC.71.064602
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0355.


2005PA57      J.Phys.(London) G31, S1723 (2005)

A.Pakou, K.Rusek, N.G.Nicolis, N.Alamanos, G.Doukelis, A.Gillibert, G.Kalyva, M.Kokkoris, A.Lagoyannis, A.Musumarra, C.Papachristodoulou, G.Perdikakis, D.Pierroutsakou, E.C.Pollacco, A.Spyrou, Ch.Zarkadas

Reaction channels of 6, 7Li + 28Si at near-barrier energies

NUCLEAR REACTIONS 28Si(6Li, αX), (7Li, αX), E=9, 11, 13 MeV; measured α-production σ, σ(θ); deduced reaction mechanism features.

doi: 10.1088/0954-3899/31/10/062
Citations: PlumX Metrics


2004PA16      Phys.Rev. C 69, 054602 (2004)

A.Pakou, N.Alamanos, G.Doukelis, A.Gillibert, G.Kalyva, M.Kokkoris, S.Kossionides, A.Lagoyannis, A.Musumarra, C.Papachristodoulou, N.Patronis, G.Perdikakis, D.Pierroutsakou, E.C.Pollacco, K.Rusek

Elastic scattering of 7Li + 28Si at near-barrier energies

NUCLEAR REACTIONS 28Si(7Li, 7Li), E=8-16 MeV; measured σ(θ); deduced optical potential parameters, threshold anomaly features. Comparison with previous results, coupled-channels and double-folding model predictions.

doi: 10.1103/PhysRevC.69.054602
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0685.


2003KA22      Nucl.Instrum.Methods Phys.Res. A505, 381 (2003)

D.Karamanis, S.Andriamonje, P.A.Assimakopoulos, G.Doukellis, D.A.Karadimos, A.Karydas, M.Kokkoris, S.Kossionides, N.G.Nicolis, C.Papachristodoulou, C.T.Papadopoulos, N.Patronis, P.Pavlopoulos, G.Perdikakis, R.Vlastou, and the n-TOF Collaboration

Neutron cross-section measurements in the Th-U cycle by the activation method

NUCLEAR REACTIONS 232Th(n, 2n), E ≈ 7.5-11.5 MeV; measured σ. Activation technique, comparison with previous results.

doi: 10.1016/S0168-9002(03)01102-1
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22845.


2003PA06      Phys.Lett. B 556, 21 (2003)

A.Pakou, N.Alamanos, A.Lagoyannis, A.Gillibert, E.C.Pollacco, P.A.Assimakopoulos, G.Doukelis, K.G.Ioannides, D.Karadimos, D.Karamanis, M.Kokkoris, E.Kossionides, N.G.Nicolis, C.Papachristodoulou, N.Patronis, G.Perdikakis, D.Pierroutsakou

The elastic scattering of 6Li +28Si at near-barrier energies

NUCLEAR REACTIONS 28Si(6Li, 6Li), E=7.5, 9, 11, 13 MeV; measured σ(θ); deduced optical model parameters. Double-folding framework, comparison with previous data.

doi: 10.1016/S0370-2693(03)00079-0
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0686.


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