NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = W.Tan Found 96 matches. 2024DE04 Phys.Rev.Lett. 132, 062702 (2024) R.J.deBoer, M.Febbraro, D.W.Bardayan, C.Boomershine, K.Brandenburg, C.Brune, S.Coil, M.Couder, J.Derkin, S.Dede, R.Fang, A.Fritsch, A.Gula, Gy.Gyurky, B.Hackett, G.Hamad, Y.Jones-Alberty, R.Kelmar, K.Manukyan, M.Matney, J.McDonaugh, Z.Meisel, S.Moylan, J.Nattress, D.Odell, P.O'Malley, M.W.Paris, D.Robertson, Shahina, N.Singh, K.Smith, M.S.Smith, E.Stech, W.Tan, M.Wiescher Measurement of the 13C(α, n0)16O Differential Cross Section from 0.8 to 6.5 MeV NUCLEAR REACTIONS 13C(α, n), E=0.8-6.5 MeV; measured reaction products, En, IN; deduced σ(θ), σ, S-factor. Comparison with available data, R-matrix results from ENDF/B-VIII.0 library. The Oak Ridge National Laboratory Deuterated Spectroscopic Array (ODeSA), 5 MV Stable ion Accelerator for Nuclear Astrophysics, the University of Notre Dame Nuclear Science Laboratory.
doi: 10.1103/PhysRevLett.132.062702
2023GU04 Phys.Rev. C 107, 025805 (2023) A.Gula, R.J.deBoer, S.Aguilar, J.Arroyo, C.Boomershine, B.Frentz, J.Gorres, S.Henderson, R.Kelmar, S.McGuinness, K.V.Manukyan, S.Moylan, D.Robertson, C.Seymour, Shahina, E.Stech, W.Tan, J.Wilkinson, M.Wiescher 10B + α reactions at low energies NUCLEAR REACTIONS 10B(α, p), (α, d), E(cm)=186-1430 keV; measured Ep, Ip, deuteron spectrum; deduced σ(θ) for (α, p0), (α, p1), (α, p2), (α, p3) and (α, d) channels, resonances, astrophysical reaction rate (T=0.01-2 GK), S-factor. 10B(α, α), (α, n), (α, p), (α, d); analyzed present and previous experimental data for σ(θ) distributions by R-matrix formalism using AZURE2 code. 10B(α, n), E(cm)=0.21-1.42 MeV; deduced astrophysical reaction rate (T=0.01-2 GK). 14N; deduced resonances, J, π, decay widths. Comparison to previous experimental data. Target surrounded by 2 silicon surface barrier detectors (SSBD) detectors at Stable ion Accelerator for Nuclear Astrophysics (Univ. Notre Dame).
doi: 10.1103/PhysRevC.107.025805
2023SC08 Phys.Rev. C 107, 065806 (2023) P.Scholz, R.J.deBoer, J.Gorres, A.Gula, R.Kelmar, K.Manukyan, E.Stech, W.Tan, M.Wiescher Measurement of 39K(p, γ)40Ca resonance strengths below 900 keV for nucleosynthesis in classical novae NUCLEAR REACTIONS 39K(p, γ)40Ca, E=0.4, 1.4 MeV; measured Eγ, Iγ; deduced resonance strengths, astrophysical reaction rate (T=0.1-1.1 GK). 39K; lifetime under novae conditions. Comparison to previous experimental data and statistical model predictions (SAPPHIRE and NON-SMOKER codes). Single coaxial HPGe detector surrounded by BGO anti-Compton shield at 5U Pelletron accelerator of the Nuclear Science Laboratory (University of Notre Dame).
doi: 10.1103/PhysRevC.107.065806
2022DE30 Phys.Rev. C 106, 055808 (2022) R.J.deBoer, A.Gula, M.Febbraro, K.Brandenburg, C.R.Brune, J.Gorres, Gy.Gyurky, R.Kelmar, K.Manukyan, Z.Meisel, D.Odell, M.T.Pigni, Shahina, E.Stech, W.Tan, M.Wiescher First near-threshold measurements of the 13C(α, n1)16O reaction for low-background-environment characterization NUCLEAR REACTIONS 13C(α, n), E=5.0-5.57 MeV; measured En, In, angular distributions; deduced σ(θ, E) for α, n1 channel. R-matrix analysis with AZURE2 code. Uncertainty estimation with Bayesian R-matrix Inference Code Kit (BRICK). Comparison to the previous estimates of σ for α, ν1a channel, other experimental results for total σ and statistical model calculations. 3He-spectrometer at Stable ion Accelerator for Nuclear Astrophysics (University of Notre Dame).
doi: 10.1103/PhysRevC.106.055808
2022GU23 Phys.Rev. C 106, 065801 (2022) A.Gula, R.J.deBoer, R.Kelmar, J.Gorres, K.V.Manukyan, E.Stech, W.Tan, M.Wiescher Excitation function for the 6Li + α reaction between 0.5 and 1.4 MeV NUCLEAR REACTIONS 6Li(α, γ), E=460-1400 keV; measured Eγ, Iγ; deduced excitation functions, resonances, reaction rates for T=0.001-9.94 GK, narrow resonance contributions to the reaction rate. 10B; resonances, decay widths, branching ratios. R-matrix analysis with AZURE2 code. Comparison to other experimental data. CeBr3 single detector. Beam from 5U Pelletron accelerator at the University of Notre Dame.
doi: 10.1103/PhysRevC.106.065801
2022LI28 Few-Body Systems 63, 43 (2022) W.P.Liu, Z.H.Li, J.J.He, X.D.Tang, G.Lian, J.Su, Y.P.Shen, Z.An, F.Q.Chao, J.J.Chang, L.H.Chen, H.Chen, X.J.Chen, Y.H.Chen, Z.J.Chen, B.Q.Cui, X.C.Du, X.Fang, C.B.Fu, L.Gan, B.Guo, Z.Y.Han, X.Y.Guo, G.Z.He, J.R.He, A.Heger, S.Q.Hou, H.X.Huang, N.Huang, B.L.Jia, L.Y.Jiang, S.Kubono, J.M.Li, M.C.Li, K.A.Li, E.T.Li, T.Li, Y.J.Li, M.Lugaro, X.B.Luo, H.Y.Ma, S.B.Ma, D.M.Mei, W.Nan, W.K.Nan, N.C.Qi, Y.Z.Qian, J.C.Qin, J.Ren, C.S.Shang, L.T.Sun, W.L.Sun, W.P.Tan, I.Tanihata, S.Wang, P.Wang, Y.B.Wang, Q.Wu, S.W.Xu, S.Q.Yan, L.T.Yang, Y.Yang, X.Q.Yu, Q.Yue, S.Zeng, L.Zhang, H.Zhang, H.Y.Zhang, L.Y.Zhang, N.T.Zhang, P.Zhang, Q.W.Zhang, T.Zhang, X.P.Zhang, X.Z.Zhang, W.Zhao, J.F.Zhou, Y.Zho Progress of Underground Nuclear Astrophysics Experiment JUNA in China NUCLEAR REACTIONS 12C(α, γ), 13C(α, n), 25Mg(p, γ), 19F(p, α), E(cm)<600 keV; measured reaction products; deduced yields near the Gamow window. Comparison with available data.
doi: 10.1007/s00601-022-01735-3
2021FR05 Phys.Rev. C 103, 045802 (2021) B.Frentz, A.Aprahamian, A.M.Clark, R.J.deBoer, C.Dulal, J.D.Enright, J.Gorres, S.L.Henderson, J.D.Hinnefeld, K.B.Howard, R.Kelmar, K.Lee, L.Morales, S.Moylan, Z.Rahman, W.Tan, L.E.Weghorn, M.Wiescher Lifetime measurements of excited states in 15O NUCLEAR REACTIONS 14N(p, γ)15O, E=1020, 1570 keV; measured Eγ, Iγ, half-lives of 5.18-, 6.17- and 6.79-MeV levels in 15O by Doppler-shift attenuation method (DSAM) using three separate, nitrogen-implanted targets with Mo, Ta, and W backings at the Nuclear Science Laboratory (NSL) of University of Notre Dame. Comparison with previous half-life measurements. Monte Carlo simulations of Doppler-shift attenuation factors. R-matrix analysis of asymptotic normalization constants (ANCs) and radiative widths Γγ using AZURE2 code for g.s. and levels between 6793 and 9609 keV, including half-lives measured in the present work and experimental data in literature. Relevance to CNO chain of reactions and uncertainty in the 14N(p, γ)15O reaction rate.
doi: 10.1103/PhysRevC.103.045802
2021ZH48 Pramana 95, 143 (2021) The Doppler shifts of resonant fluorescence spectrum for a two-level 85Rb atom via multiphoton Compton scattering ATOMIC PHYSICS 85Rb; analyzed available data; deduced multiphoton Compton scattering (MCS) phenomenon, the Dicke states (the atomic polymers with different masses) by using the Doppler shift of the resonant fluorescence spectrum (RFS).
doi: 10.1007/s12043-021-02170-5
2020GU11 Phys.Lett. B 806, 135473 (2020) Y.K.Gupta, B.K.Nayak, U.Garg, K.Hagino, K.B.Howard, N.Sensharma, M.Senyigit, W.P.Tan, P.D.O'Malley, M.Smith, R.Gandhi, T.Anderson, R.J.deBoer, B.Frentz, A.Gyurjinyan, O.Hall, M.R.Hall, J.Hu, E.Lamere, Q.Liu, A.Long, W.Lu, S.Lyons, K.Ostdiek, C.Seymour, M.Skulski, B.Vande Kolk Determination of hexadecapole (β4) deformation of the light-mass nucleus 24Mg using quasi-elastic scattering measurements NUCLEAR REACTIONS 90Zr(16O, 16O), (24Mg, 24Mg), E=61 MeV; measured reaction products. 24Mg; deduced deformation parameters, σ, B(Eλ). CCFULL calculations.
doi: 10.1016/j.physletb.2020.135473
2020HA03 Phys.Rev. C 101, 015804 (2020) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu γ-ray spectroscopy of astrophysically important states in 39Ca NUCLEAR REACTIONS 40Ca(3He, αγ)39Ca, E=30 MeV; Measured Eγ, Iγ, Eα, Iα, αγ-coin, reaction products using the GODDESS array (Gammasphere for γ detection and ORRUBA for particle detection) at the ATLAS-ANL facility. 39Ca; deduced levels, J, π, γ-branching ratios. 38K(p, γ)39Ca, T=0.1-0.4 GK; deduced resonance parameters, astrophysical reaction rates. Discussed impact on abundances of isotopes created at the endpoint of nova nucleosynthesis.
doi: 10.1103/PhysRevC.101.015804
2020HA31 Phys.Rev. C 102, 045802 (2020) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu 19Ne level structure for explosive nucleosynthesis NUCLEAR REACTIONS 19F(3He, t)19Ne, E=30 MeV; measured reaction products, E(t), I(t), Eγ, Iγ, (triton)γ-, and (triton)γγ-coin using ORRUBA array with Micron QQQ5 telescopes for tritons and Gammasphere array for γ rays at ATLAS-ANL facility. 19Ne; deduced levels, J, π, γ-branching ratios. Comparison with earlier experimental results and with evaluated data. 18F(p, α)15O, E(cm)<0.9 MeV; calculated astrophysical S factors, and reaction rates at temperature of 0.06 to 0.4 GK.
doi: 10.1103/PhysRevC.102.045802
2020HU10 Phys.Rev. C 102, 014615 (2020) C.Hunt, G.V.Rogachev, S.Almaraz-Calderon, A.Aprahamian, M.Avila, L.T.Baby, B.Bucher, V.Z.Goldberg, E.D.Johnson, K.W.Kemper, A.N.Kuchera, W.P.Tan, I.Wiedenhover Observation of T = 3/2 isobaric analog states in 9Be using p + 8Li resonance scattering NUCLEAR REACTIONS 1H(8Li, 8Li), E(cm)=1.46-2.3 MeV, [secondary 8Li radioactive beam from 2H(7Li, 8Li), E=23.5, 27 MeV primary reaction]; measured energies of light and heavy recoils, (light recoils)(heavy recoils)-coin, differential σ(θ, E) using two annular Silicon strip detectors at RESOLUT radioactive nuclear beam facility of the FSU John D. Fox Superconducting Accelerator Laboratory. 9Be; deduced resonances J, π, width, T=3/2 IAS, spectroscopic factors from R-matrix analysis using MINRMATRIX code. Discussed isomirror properties for the T=3/2 A=9 isoquartet. Relevance to study of the structure of neutron-rich exotic nuclei through IAS.
doi: 10.1103/PhysRevC.102.014615
2020KE01 Phys.Rev. C 101, 015801 (2020), Erratum Phys.Rev. C 96, 019901 (2017) R.Kelmar, A.Simon, O.Olivas-Gomez, P.Millican, C.S.Reingold, E.Churchman, A.M.Clark, S.L.Henderson, S.E.Kelly, D.Robertson, E.Stech, W.P.Tan Searching for (γ, α)/(γ, n) branching points in the γ-process path near A+100 NUCLEAR REACTIONS 90Zr, 102Pd, 108,110Cd(α, γ), E(cm)=7.5-11.6 MeV; measured Eγ, Iγ, σ(E) using High Efficiency total absorption spectrometer (HECTOR) composed of 16 NaI(Tl) detectors at the University of Notre Dame Nuclear Science Laboratory. Comparison with data in NONSMOKER database, and with calculations using TALYS 1.9 code. 90Zr, 102Pd, 108,110Cd(α, γ), T9=0.3-10; deduced astrophysical reaction rates using the TALYS 1.9 code with the back-shifted Fermi gas LD model, the αOMP, and the Brink-Axel Lorentzian γSF.
doi: 10.1103/PhysRevC.101.015801
2020ME06 Phys.Rev. C 101, 052801 (2020) Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Nuclear mass measurements map the structure of atomic nuclei and accreting neutron stars ATOMIC MASSES 48,49Ar, 52,53,54,55,56,57Sc, 56,57,58,59Ti, 57,58,59,60,61,62V, 64,65Cr, 67,68Mn, 67,68,69,70Fe; measured time of flight, ΔE, Bπ, and mass excess using the A1900 fragment separator and the S800 spectrograph for particle identification at the NSCL-MSU facility; deduced S(2n), and Dn(Z, A)=S(n)(Z, A+1)-S(n)(Z, A), related to pairing gap. Comparison with available evaluated data in AME2016, and with shell model calculations using GX1A Hamiltonian for Sc isotopes. Discussion of upper-Z limit for N=34 subshell closure and lower-Z limit for N=40 subshell, and impact on electron-capture cooling in neutron star crusts. Isotopes produced in 9Be(82Se, X), E=140 MeV/nucleon reaction.
doi: 10.1103/PhysRevC.101.052801
2020OL07 Phys.Rev. C 102, 055806 (2020) O.Olivas-Gomez, A.Simon, O.Gorton, J.E.Escher, E.Churchman, P.Millican, R.Kelmar, C.S.Reingold, A.M.Clark, N.Cooper, C.Harris, S.L.Henderson, S.E.Kelly, F.Naqvi, A.Palmisano, D.Robertson, E.Stech, A.Spyrou, W.P.Tan Measurements of proton capture in the A = 100-100 mass region: Constraints on the 111In(γ, p)/(γ, n) branching point relevant to the γ process NUCLEAR REACTIONS 102Pd(p, γ)103Ag, E=4-8 MeV; 108Cd(p, γ)109In, E=3.5=7 MeV; 110Cd(p, γ)111In, E=3-6 MeV; measured Eγ, Iγ, summed γ spectra using a high efficiency total absorption spectrometer and γ-summing technique at the 10-MV FN Tandem Van de Graaff accelerator of the University of Notre Dame; deduced capture σ(E) for the ground states, total σ(E), constrain Hauser-Feshbach parameters used in TALYS 1.9. Comparison with theoretical predictions from the NON-SMOKER code, and with Hauser-Feshbach statistical calculations. Recommended (γ, p) and (γ, n) stellar photodissociation decay rates for 103Ag, 109In and 111In for T=1-10 GK. Relevance to γ process is an explosive astrophysical scenario.
doi: 10.1103/PhysRevC.102.055806
2020PA40 Phys.Rev. C 102, 045502 (2020) H.I.Park, J.C.Hardy, M.Bencomo, V.E.Iacob, I.S.Towner, K.T.Macon, W.P.Tan, M.Brodeur, A.Boeltzig, B.Frentz, S.L.Henderson, J.Long, S.McGuinness, O.Olivas-Gomez, P.O'Malley, G.Seymour, B.Vande Kolk, A.Kayani Intensity of a weak 519-keV γ ray following β decay of the superallowed emitter 34Ar determined via the 33S(p, γ)34Cl reaction NUCLEAR REACTIONS 33S(p, γ)34Cl, E=1072 keV; measured Eγ, Iγ, and γγ-coin using GEORGINA array of five Ge detectors at the Pelletron accelerator of University of Notre Dame. 34Cl; deduced γ-branching ratios from the 666-keV level, in particular for the 519-keV γ ray following β+ decay of the superallowed emitter 34Ar. Comparison of the branching ratios with previous experimental results, and theoretical calculations.
doi: 10.1103/PhysRevC.102.045502
2020PI11 Eur.Phys.J. A 56, 199 (2020) R.G.Pizzone, C.Spampinato, R.Sparta, M.Couder, W.Tan, V.Burjan, G.D'Agata, G.L.Guardo, M.La Cognata, L.Lamia, J.Mrazek, S.Palmerini, S.Typel, A.Tumino, M.Wiescher, S.Anguilar, D.Bardayan, D.Blankstein, L.Boccioli, L.Callahan, S.M.Cha, K.Y.Chae, A.M.Clark, B.Frentz, M.R.Hall, A.Gula, S.Henderson, R.Kelmar, M.S.Kwag, I.Indelicato, M.La Commara, D.Lattuada, Q.Liu, J.Long, M.Mazzocco, A.Majumdar, S.McGuinness, A.Nelson, A.A.Oliva, P.O'Malley, P.M.Prajapati, G.G.Rapisarda, S.Romano, M.L.Sergi, C.Seymour, M.Skulski, C.Spitaleri, J.Wilkinson Indirect measurement of the 3He(n, p)3H reaction cross section at Big Bang energies NUCLEAR REACTIONS 2H(3He, pt), E=9 MeV; measured reaction products, Ep, Ip; deduced σ for 3He(n, p) reaction using the Trojan Horse Method (THM).
doi: 10.1140/epja/s10050-020-00212-x
2020TA08 Phys.Rev.Lett. 124, 192702 (2020) W.P.Tan, A.Boeltzig, C.Dulal, R.J.deBoer, B.Frentz, S.Henderson, K.B.Howard, R.Kelmar, J.J.Kolata, J.Long, K.T.Macon, S.Moylan, G.F.Peaslee, M.Renaud, C.Seymour, G.Seymour, B.Vande Kolk, M.Wiescher, E.F.Aguilera, P.Amador-Valenzuela, D.Lizcano, E.Martinez-Quiroz New Measurement of 12C+12C Fusion Reaction at Astrophysical Energies NUCLEAR REACTIONS 12C(12C, X), E(cm)=2.2-5.0 MeV; measured reaction products, Eγ, Iγ; deduced σ, S-factor. Comparison with available data.
doi: 10.1103/PhysRevLett.124.192702
2019HA08 Phys.Rev.Lett. 122, 052701 (2019) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu Key 19Ne States Identified Affecting γ-Ray Emission from 18F in Novae NUCLEAR REACTIONS 19F(3He, t)19Ne, E=30 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, S-factor, reaction rates, resonance energies. Comparison with available data.
doi: 10.1103/PhysRevLett.122.052701
2019HA14 Phys.Rev. C 99, 035805 (2019) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu New γ-ray transitions observed in 19Ne with implications for the 15O(α, γ)19Ne reaction rate NUCLEAR REACTIONS 19F(3He, t), E=30 MeV; measured triton spectra, Eγ, Iγ, tγ- and γγ-coin using Gammasphere array for γ detection with the silicon detector array ORRUBA Dual Detectors for Experimental Structure Studies (GODDESS) at ATLAS-ANL facility. 19Ne; deduced levels, J, π, and γ-branching ratios for the decay of 4.14- and 4.20-MeV states. 15O(α, γ)19Ne, E≈18-180 keV; calculated fractional contribution of the corrected branching ratios for the 4.14 MeV, 7/2- and 4.20 MeV, 9/2- states in 19Ne to astrophysical reaction rate, which is of significance in breakout from the hot CNO cycle in type I x-ray bursts. Comparison with previous experimental values.
doi: 10.1103/PhysRevC.99.035805
2019HE11 Phys.Rev. C 99, 064320 (2019) S.L.Henderson, T.Ahn, M.A.Caprio, P.J.Fasano, A.Simon, W.Tan, P.O'Malley, J.Allen, D.W.Bardayan, D.Blankstein, B.Frentz, M.R.Hall, J.J.Kolata, A.E.McCoy, S.Moylan, C.S.Reingold, S.Y.Strauss, R.O.Torres-Isea First measurement of the B(E2; 3/2- → 1/2-) transition strength in 7Be: Testing ab initio predictions for A = 7 nuclei NUCLEAR REACTIONS 197Au(7Be, 7Be'), E=31.3 MeV, [secondary 7Be beam from 2H(6Li, n), E=34.0 MeV primary reaction]; measured reaction products, particle spectra, Eγ, Iγ, (particle)γ-coin using silicon detector for charged particle detection and HPGe detectors for γ detection at the University of Notre Dame FN Tandem Van de Graaff accelerator facility. 7Be; deduced levels, J, π, Coulomb excitation cross section, B(E2) for 3/2- to 1/2- (g.s. to the first excited state) transition. Comparison with ab initio no-core shell model (NCSM) calculations.
doi: 10.1103/PhysRevC.99.064320
2019RE04 Eur.Phys.J. A 55, 77 (2019) C.S.Reingold, O.Olivas-Gomez, A.Simon, J.Arroyo, M.Chamberlain, J.Wurzer, A.Spyrou, F.Naqvi, A.C.Dombos, A.Palmisano, T.Anderson, A.M.Clark, B.Frentz, M.R.Hall, S.L.Henderson, S.Moylan, D.Robertson, M.Skulski, E.Stech, S.Y.Strauss, W.P.Tan, B.Vande Kolk High Efficiency Total Absorption Spectrometer HECTOR for capture reaction measurements RADIOACTIVITY 60Co(IT); measured Eγ, Iγ using Total Absorption Spectrometer HECTOR; deduced sum spectrum; compared with GEANT4 simulated spectrum. NUCLEAR REACTIONS 27Al(p, γ), E not given; measured Eγ, Iγ; deduced resonances, average multiplicities, summing efficiencies and resonance strengths; compared with GEANT4 simulations and with published data. Remark: Paper aimed mainly to show the possibilities of the HECTOR spectrometer.
doi: 10.1140/epja/i2019-12748-8
2018JO04 Acta Phys.Pol. B49, 365 (2018) K.L.Jones, C.Thornsberry, J.Allen, A.Atencio, D.W.Bardayan, D.Blankstein, S.Burcher, A.B.Carter, K.A.Chipps, J.A.Cizewski, I.Cox, Z.Elledge, M.Febbraro, A.Fijalkowska, R.Grzywacz, M.R.Hall, T.T.King, A.Lepailleur, M.Madurga, S.T.Marley, P.D.O'Malley, S.V.Paulauskas, S.D.Pain, W.A.Peters, C.Reingold, K.Smith, S.Taylor, W.Tan, M.Vostinar, D.Walter Development of the (d, n) Proton-transfer Reaction in Inverse Kinematics for Structure Studies
doi: 10.5506/aphyspolb.49.365
2017FA10 Phys.Rev. C 96, 045804 (2017) X.Fang, W.P.Tan, M.Beard, R.J.deBoer, G.Gilardy, H.Jung, Q.Liu, S.Lyons, D.Robertson, K.Setoodehnia, C.Seymour, E.Stech, B.Vande Kolk, M.Wiescher, R.T.deSouza, S.Hudan, V.Singh, X.D.Tang, E.Uberseder Experimental measurement of 12C + 16O fusion at stellar energies NUCLEAR REACTIONS 12C(16O, p), (16O, n), (16O, α), E=8.5-11.7 MeV in steps of 100 or 200 keV; measured Eγ, Iγ, Ep, Ip, pγ-coin, charged particles, partial and total fusion σ(E) at the (ANA) accelerator laboratory (NSL) of University of Notre Dame; deduced S factors, astrophysical reaction rates, uncertainty range of the reaction rate within the temperature range of late stellar burning environments. Results analyzed using Statistical model calculations with SAPPHIRE code. 27Al, 24Mg, 27Si; deduced levels, relative γ strengths of the observed transitions with respect to the strength of the ground state transition of the first excited states.
doi: 10.1103/PhysRevC.96.045804
2017OZ01 Phys.Rev. C 96, 045805 (2017) N.Ozkan, R.T.Guray, C.Yalcin, W.P.Tan, A.Aprahamian, M.Beard, R.J.deBoer, S.Almaraz-Calderon, S.Falahat, J.Gorres, Q.Li, A.Sauerwein, K.Sonnabend, M.Wiescher, Zs.Fulop, Gy.Gyurky, E.Somorjai, J.Greene Proton capture reaction cross section measurements on 162Er as a probe of statistical model calculations NUCLEAR REACTIONS 162Er(p, γ)163Tm, 162Er(p, n)162Tm, E=4.0-9.0 MeV in steps of 0.5 MeV; measured reaction products, Eγ, Iγ, σ(E) by activation method using the FN tandem accelerator at the University of Notre Dame; deduced S factors. Comparison with Hauser Feshbach (HF) statistical model calculations using NON-SMOKER and TALYS codes.
doi: 10.1103/PhysRevC.96.045805
2017TA10 Chin.Phys.C 41, 054103 (2017) Calculations of the β-decay half-lives of neutron-deficient nuclei RADIOACTIVITY 42,44,46Cr, 46,48,50Fe, 48,50,52,54Ni, 56,58,60,62Zn, 60,62,64,66Ge, 64,66,68,70Se(EC), (β+); calculated T1/2. Comparison with available data.
doi: 10.1088/1674-1137/41/5/054103
2016BA28 Eur.Phys.J. A 52, 126 (2016) A.Battaglia, W.Tan, R.Avetisyan, C.Casarella, A.Gyurijinyan, K.V.Manukyan, S.T.Marley, A.Nystrom, N.Paul, K.Siegl, K.Smith, M.K.Smith, S.Y.Strauss, A.Aprahamian Measurements of conversion electrons in the s-process branching point nucleus 176Lu NUCLEAR REACTIONS 176Yb(p, n), E=7.75 MeV; measured Eγ, Iγ from 176Lu using HPGe from GEORGINA array, eγ-coin, internal conversion electrons using ICEBall, En, In using NE213; deduced γ energy spectra, γ-ray and electron spectra in coincidence. 176Lu deduced electron energies, ICE coefficients, γ-ray transition multipolarity, levels, J, π, partial level scheme.
doi: 10.1140/epja/i2016-16126-x
2016CU02 Phys.Rev. C 94, 034313 (2016) N.Curtis, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, M.Freer, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, C.Wheldon, V.A.Ziman 8Be + 8Be and 12C + α breakup states in 16O populated via the 13C(4He, 4α)n reaction NUCLEAR REACTIONS 13C(α, 16O), E=22.0, 27.0, 27.5, 28.0 MeV; measured reaction products using four position-sensitive double-sided Si strip detectors, at Notre Dame FN Tandem accelerator facility. 16O; deduced levels identified through the 8Be+8Be and 12C*+α channels, J, π, centroids, cross sections. Comparison with previous studies using 12C(α, 8Be)8Be and 12C(16O, 4α)12C reactions. Relevance to 4α chain structure in 16O.
doi: 10.1103/PhysRevC.94.034313
2016ME07 Phys.Rev. C 93, 035805 (2016) Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Sieja, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Time-of-flight mass measurements of neutron-rich chromium isotopes up to N=40 and implications for the accreted neutron star crust ATOMIC MASSES 59,60,61,62,63,64Cr; measured mass excesses by time-of-flight (TOF) method using 9Be(82Se, X), E=140 MeV/nucleon for production of Si to Zn isotopes and A1900 fragment separator and S800 spectrograph for fragment separation and analysis at NSCL-MSU. TOF versus mass contour plot obtained for Ar (A=44-49), K (A=47-52), Ca (A=49-55), Sc (A=52-58), Ti (A=54-60), V (A=57-63), Cr (A=59-66), Mn (A=62-70) and Fe (A=64-71) isotopes. Analyzed S(2n) trends and compared to AME-2012. Comparison with state-of-the-art shell-model calculations using modified Lenzi-Nowacki-Poves-Sieja interaction in the fp shell, and with AME-2012 data. Mass of 64Cr used in accreted neutron star crust network calculations, and deduced reduction in strength depth of electron-capture heating from A=64 isobaric chain. NUCLEAR REACTIONS 9Be(82Se, X), E=140 MeV/nucleon; measured time-of-flight, energy loss, fragment yields of 150 isotopes from Si to Zn using A1900 fragment separator and S800 spectrograph at NSCL-MSU.
doi: 10.1103/PhysRevC.93.035805
2016SM02 Phys.Rev. C 94, 014320 (2016) R.Smith, C.Wheldon, M.Freer, N.Curtis, Tz.Kokalova, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, V.A.Ziman Evidence for a 3.8 MeV state in 9Be NUCLEAR REACTIONS 9Be(α, n3α), E=22, 26 MeV; measured Eα, Iα using an array of double-sided silicon strip detectors (DSSSDs) at the Notre Dame FN Tandem Van de Graaff accelerator facility; extracted sum energy spectra for all four final-state particles, assumed to be 3α+n, 9Be excitation spectrum. 9Be; deduced levels, new state at 3.8 MeV, J, π, width, ratios of reduced widths to Wigner limits (decays to 8Be ground state). 9Be, 9B; comparison of levels and widths in mirror nuclei.
doi: 10.1103/PhysRevC.94.014320
2015BU08 Phys.Rev.Lett. 114, 251102 (2015) B.Bucher, X.D.Tang, X.Fang, A.Heger, S.Almaraz-Calderon, A.Alongi, A.D.Ayangeakaa, M.Beard, A.Best, J.Browne, C.Cahillane, M.Couder, R.J.deBoer, A.Kontos, L.Lamm, Y.J.Li, A.Long, W.Lu, S.Lyons, M.Notani, D.Patel, N.Paul, M.Pignatari, A.Roberts, D.Robertson, K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher, S.E.Woosley First Direct Measurement of 12C(12C, n)23Mg at Stellar Energies NUCLEAR REACTIONS 12C(12C, n), E=7.5, 9.5 MeV; measured reaction products, Eγ, Iγ, En, In; deduced yields, S-factors, astrophysical reaction rate. Comparison with available data.
doi: 10.1103/PhysRevLett.114.251102
2015DE11 Phys.Rev. C 91, 045804 (2015) R.J.de Boer, D.W.Bardayan, J.Gorres, P.J.LeBlanc, K.V.Manukyan, M.T.Moran, K.Smith, W.Tan, E.Uberseder, M.Wiescher, P.F.Bertone, A.E.Champagne, M.S.Islam Low energy scattering cross section ratios of 14N(p, p)14N NUCLEAR REACTIONS 14N(p, p), E=1-4 MeV; measured E(p), I(p), σ(θ, E) at Notre Dame Van de Graaff accelerator facility. 15O; deduced levels, resonances, l-transfers, J, π, resonance parameters, widths. R-matrix analysis. Discussed relevance of proton scattering data for constraining astrophysically important capture rate analyses.
doi: 10.1103/PhysRevC.91.045804
2015ME01 Phys.Rev.Lett. 114, 022501 (2015) Z.Meisel, S.George, S.Ahn, J.Browne, D.Bazin, B.A.Brown, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Mass Measurements Demonstrate a Strong N=28 Shell Gap in Argon ATOMIC MASSES 48,49Ar; measured time of flight; deduced masses, N=28 closed shell, problems of shell model calculations.
doi: 10.1103/PhysRevLett.114.022501
2015ME08 Phys.Rev.Lett. 115, 162501 (2015) Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, A.L.Cole, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Mass Measurement of 56Sc Reveals a Small A=56 Odd-Even Mass Staggering, Implying a Cooler Accreted Neutron Star Crust ATOMIC MASSES 52,53,54,55,56,57Sc; measured rigidity-corrected time-of-flight distributions; deduced atomic mass excesses. Comparison with AME 2012, theoretical models.
doi: 10.1103/PhysRevLett.115.162501
2015NA14 Phys.Rev. C 92, 025804 (2015) F.Naqvi, S.J.Quinn, A.Spyrou, A.Battaglia, M.Couder, P.A.DeYoung, A.C.Dombos, X.Fang, J.Gorres, A.Kontos, Q.Li, S.Lyons, D.Robertson, A.Simon, K.Smith, M.K.Smith, E.Stech, W.P.Tan, M.Wiescher Proton capture cross section of 72Ge and astrophysical implications NUCLEAR REACTIONS 72,74Ge(p, γ), E=1.8-3.6 MeV; measured Eγ, Iγ, σ(E) using γ-summing detector SuN at Notre Dame Tandem Van de Graff accelerator facility. Natural Ge target. Comparison with calculations using TALYS1.6 code and different combinations of optical model potentials (OMPs), nuclear level densities (NLDs), and γ-ray strength functions, and with data in standard astrophysical libraries BRUSLIB and REACLIB. Relevance to astrophysical p-process.
doi: 10.1103/PhysRevC.92.025804
2015QU01 Phys.Rev. C 92, 045805 (2015) S.J.Quinn, A.Spyrou, A.Simon, A.Battaglia, M.Bowers, B.Bucher, C.Casarella, M.Couder, P.A.DeYoung, A.C.Dombos, J.Gorres, A.Kontos, Q.Li, A.Long, M.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, M.K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher (α, γ) cross section measurements in the region of light p nuclei NUCLEAR REACTIONS 74Ge, 90,92Zr(α, γ), E=9.5-12 MeV; measured Eγ, Iγ, σ(E) using the SuN detector and gamma-summing technique at Notre Dame Tandem Van de Graaff accelerator; deduced stellar reaction rates for 90Zr(α, γ) reaction. Nucleosynthesis of light p-process nuclei. Comparison with statistical model calculations using TALYS and NON-SMOKER codes.
doi: 10.1103/PhysRevC.92.045805
2015SE08 Phys.Rev. C 91, 065803 (2015) M.L.Sergi, C.Spitaleri, M.La Cognata, L.Lamia, R.G.Pizzone, G.G.Rapisarda, X.D.Tang, B.Bucher, M.Couder, P.Davies, R.deBoer, X.Fang, L.Lamm, C.Ma, M.Notani, S.O'Brien, D.Roberson, W.Tan, M.Wiescher, B.Irgaziev, A.Mukhamedzhanov, J.Mrazek, V.Kroha Improvement of the high-accuracy 17O(p, α)14N reaction-rate measurement via the Trojan Horse method for application to 17O nucleosynthesis NUCLEAR REACTIONS 2H(17O, α14N)n, E=41, 43.5 MeV; measured particle spectra, (14N)α-coin at LNS-Catania and NSL-Notre Dame accelerator facilities; deduced Q-value spectra, yields as function of 14N and α emission angles, E(14N-α) versus E(α-n) plots, neutron momentum distributions, (14N)α-coincidence yields for different neutron momentum ranges, differential σ(E) of the Trojan-Horse reaction. 18F; deduced parameters for the two resonance levels, resonance strengths for the 65-keV resonance. 17O(p, α)14N; deduced reaction rates via Trojan Horse Method (THM). 18F; compiled resonance energies, J, π, Γp, Γα, Γγ for 24 resonances from -3.12 keV to 1684.5 keV. Relevance to destruction of 17O and the formation of 18F in stellar sites.
doi: 10.1103/PhysRevC.91.065803
2015SI13 Phys.Rev. C 92, 025806 (2015) A.Simon, M.Beard, A.Spyrou, S.J.Quinn, B.Bucher, M.Couder, P.A.DeYoung, A.C.Dombos, J.Gorres, A.Kontos, A.Long, M.T.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher Systematic study of (α, γ) reactions for stable nickel isotopes NUCLEAR REACTIONS 58,60,61,62,64Ni(α, γ), E=5-9 MeV; measured Eγ, Iγ, σ(E) using γ-summing detector SuN at Notre Dame tandem (FN) Pelletron accelerator facility; deduced astrophysical reaction rates. Comparison with available experimental data, and with Hauser-Feshbach calculations using TALYS 1.6 code with different combinations of α-optical potentials. nuclear level densities, and E1 γ-ray strength functions. Comparisons with results in NON-SMOKER and BRUSLIB databases.
doi: 10.1103/PhysRevC.92.025806
2015XU11 Phys.Rev. C 92, 015807 (2015) J.Xu, E.Shields, F.Calaprice, S.Westerdale, F.Froborg, B.Suerfu, T.Alexander, A.Aprahamian, H.O.Back, C.Casarella, X.Fang, Yo.K.Gupta, A.Ianni, E.Lamere, W.H.Lippincott, Q.Liu, S.Lyons, K.Siegl, M.Smith, W.Tan, B.Vande Kolk Scintillation efficiency measurement of Na recoils in NaI(Tl) below the DAMA/LIBRA energy threshold NUCLEAR REACTIONS Na, I(n, n'), E=690 keV pulsed beam; measured Na-recoil spectra, double-TOF spectrum for coincidence events of Na recoils, E(n), I(n), 127I excitation events at Notre Dame accelerator facility; deduced Na-recoil quenching factors, spectral fits of the DAMA/LIBRA modulation amplitudes to standard WIMP model. Comparison with other experimental results for Na-recoil quenching factors. Relevance to DAMA/LIBRA dark matter claims.
doi: 10.1103/PhysRevC.92.015807
2014DE13 Phys.Rev. C 89, 055802 (2014) R.J.de Boer, A.Best, J.Gorres, K.Smith, W.Tan, M.Wiescher, R.Raut, G.Rusev, A.P.Tonchev, W.Tornow Photoneutron strengths in 26Mg at energies of astrophysical interest NUCLEAR REACTIONS 26Mg(polarized γ, n), [circularly polarized γ beam produced in Compton backscattering of laser photons from E=498-548 MeV electrons], E=10.80-12.05 MeV; measured Eγ, Iγ, E(n), I(n), time-of-flight spectra, photoneutron σ(E) at HIγS facility of TUNL. 26Mg; deduced level energies above S(n), resonance strengths, comparison with 25Mg(n, γ)26Mg by R-matrix analysis. Relevance to astrophysically important 22Ne(α, n)25Mg reaction.
doi: 10.1103/PhysRevC.89.055802
2014GL02 Phys.Rev. C 89, 065808 (2014) J.Glorius, K.Sonnabend, J.Gorres, D.Robertson, M.Knorzer, A.Kontos, T.Rauscher, R.Reifarth, A.Sauerwein, E.Stech, W.Tan, T.Thomas, M.Wiescher Experimental cross sections of 165Ho(α, n)168Tm and 166Er(α, n)169Yb for optical potential studies relevant for the astrophysical γ process NUCLEAR REACTIONS 165Ho, 166Er(α, n), E=10.5-15 MeV; measured Eγ, Iγ, σ(E) by activation technique using Tandem accelerator at NSL-Notre Dame. Comparison with predictions from Hauser-Feshbach calculations using TALYS and SMARAGD codes, and with previous experimental results; analyzed α-nucleus optical potential for simulations of astrophysical γ process.
doi: 10.1103/PhysRevC.89.065808
2014QU01 Phys.Rev. C 89, 054611 (2014) S.J.Quinn, A.Spyrou, E.Bravo, T.Rauscher, A.Simon, A.Battaglia, M.Bowers, B.Bucher, C.Casarella, M.Couder, P.A.DeYoung, A.C.Dombos, J.Gorres, A.Kontos, Q.Li, A.Long, M.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, M.K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher Measurement of the 58Ni(α, γ)62Zn reaction and its astrophysical impact NUCLEAR REACTIONS 58Ni(α, γ)62Zn, E=5.5-9.5 MeV; measured Eγ, Iγ, σ(E) using Summing NaI(Tl) (SuN) detector at NSL-Notre Dame facility; deduced astrophysical reaction rates. Comparison with predictions from statistical Hauser-Feshbach model using SMARAGD code. Discussed Astrophysical implications and elemental abundances.
doi: 10.1103/PhysRevC.89.054611
2014QU04 Nucl.Instrum.Methods Phys.Res. A 757, 62 (2014) S.J.Quinn, A.Spyrou, A.Simon, A.Battaglia, M.Bowers, B.Bucher, C.Casarella, M.Couder, P.A.Deyoung, A.C.Dombos, J.P.Greene, J.Gorres, A.Kontos, Q.Li, A.Long, M.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, M.K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher First application of the technique in inverse kinematics NUCLEAR REACTIONS 1H(27Al, γ), 1H(58Ni, γ), 27Al(p, γ), 58Ni(p, γ), E=956 keV-1.5 GeV; measured products, Eγ, Iγ; deduced resonance parameters. Data were imported from EXFOR entry C2123.
doi: 10.1016/j.nima.2014.05.020
2013BE11 Phys.Rev. C 87, 045805 (2013) A.Best, M.Beard, J.Gorres, M.Couder, R.deBoer, S.Falahat, R.T.Guray, A.Kontos, K.-L.Kratz, P.J.LeBlanc, Q.Li, S.O'Brien, N.Ozkan, M.Pignatari, K.Sonnabend, R.Talwar, W.Tan, E.Uberseder, M.Wiescher Measurement of the reaction 17O(α, n)20Ne and its impact on the s process in massive stars NUCLEAR REACTIONS 17O(α, n), E=800-2300 keV; measured Eγ, Iγ, E(n), I(n), yields as function of incident Eα for (α, n0) and (α, n1) channels; deduced R-matrix parameters, S factors, reaction rates. 21Ne; deduced levels, resonances, J, π, width, resonance strengths. R-matrix analyses. 17O(α, n), (α, γ), E at 0.1 to 10 GK; comparison of experimental and theoretical (NACRE, CF88/1000) reaction rates. Hauser-Feshbach theory. Astrophysical implications for the s-process, and elemental abundance.
doi: 10.1103/PhysRevC.87.045805
2013CU04 Phys.Rev. C 88, 064309 (2013) N.Curtis, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, M.Freer, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, C.Wheldon, V.A.Ziman Investigation of the 4α linear chain state in 16O NUCLEAR REACTIONS 12C(α, 8Be)8Be, (α, 12C), [12C* decaying to 8Be+α], E=12.2-20.0 MeV; measured Eα, Iα, α(θ), αα-coin, σ(E, θ) at Notre Dame FN tandem facility. Phase shift analysis of σ(θ) data. 16O; deduced levels, resonances, J. Comparison with previous experimental results. No evidence found for rigid, 4α-linear chain in 16O.
doi: 10.1103/PhysRevC.88.064309
2013GU02 Phys.Rev. C 87, 012801 (2013) M.Gulino, C.Spitaleri, X.D.Tang, G.L.Guardo, L.Lamia, S.Cherubini, B.Bucher, V.Burjan, M.Couder, P.Davies, R.deBoer, X.Fang, V.Z.Goldberg, Z.Hons, V.Kroha, L.Lamm, M.La Cognata, C.Li, C.Ma, J.Mrazek, A.M.Mukhamedzhanov, M.Notani, S.O'Brien, R.G.Pizzone, G.G.Rapisarda, D.Roberson, M.L.Sergi, W.Tan, I.J.Thompson, M.Wiescher Suppression of the centrifugal barrier effects in the off-energy-shell neutron + 17O interaction NUCLEAR REACTIONS 2H(17O, α14C), E=41, 43.5 MeV; measured α and 14C particle spectra, (14C)α-coin, angular distributions, yields using position-sensitive silicon detectors (PSD) at LNS, Catania, and at NSL, Notre Dame. CD2 target; deduced momentum distributions, Q value. DWBA analysis. 17O(n, α)14C, E(cm)=0-350 keV; deduced yields, angular distributions, neutron from quasifree breakup of deuteron. 18O; deduced resonances, J, π, and excitation functions. Trojan Horse method (THM), and suppression of centrifugal barrier. Comparison with previous studies. Relevance to neutron-induced reactions in nuclear reactors, and nucleosynthesis in astrophysics.
doi: 10.1103/PhysRevC.87.012801
2013KO15 Phys.Rev. C 87, 057309 (2013) Tz.Kokalova, M.Freer, N.Curtis, N.I.Ashwood, M.Barr, J.D.Malcolm, C.Wheldon, V.A.Ziman, S.Almaraz-Calderon, A.Aprahamian, B.Bucher, M.Couder, X.Fang, F.Jung, W.Lu, A.Roberts, W.P.Tan, P.Copp, S.R.Lesher Yield measurements for resonances above the multi-α threshold in 20Ne NUCLEAR REACTIONS 16O(α, X), E=23.0-29.0 MeV; measured α and particle spectra, (particle)(particle)α-coin, yields for 8Be+8Be+α, and 8Be+12C(second 0+) channels. Measurements at Notre Dame facility. 20Ne; deduced levels, resonances, J. Monte Carlo simulations.
doi: 10.1103/PhysRevC.87.057309
2013QU01 Phys.Rev. C 88, 011603 (2013) S.J.Quinn, A.Spyrou, A.Simon, A.Battaglia, M.Couder, P.A.DeYoung, A.C.Dombos, X.Fang, J.Gorres, A.Kontos, Q.Li, S.Lyons, B.S.Meyer, G.F.Peaslee, D.Robertson, K.Smith, M.K.Smith, E.Stech, W.P.Tan, X.D.Tang, M.Wiescher Probing the production mechanism of the light p-process nuclei NUCLEAR REACTIONS 74Ge(p, γ)75As, E=1.6-4.2 MeV; measured Eγ, Iγ, σ(E) using the NSCL SuN detector at Notre Dame facility; deduced astrophysical S(E) factors, reaction rates at T9=0.10-10.0, cumulative mass fraction of 74Se in a Type II Supernova model. Comparison with previous experimental data, and with theoretical predictions using NON-SMOKER and TALYS nuclear reaction codes.
doi: 10.1103/PhysRevC.88.011603
2013SI11 Phys.Rev. C 87, 055802 (2013) A.Simon, A.Spyrou, T.Rauscher, C.Frohlich, S.J.Quinn, A.Battaglia, A.Best, B.Bucher, M.Couder, P.A.DeYoung, X.Fang, J.Gorres, A.Kontos, Q.Li, L.-Y.Lin, A.Long, S.Lyons, A.Roberts, D.Robertson, K.Smith, M.K.Smith, E.Stech, B.Stefanek, W.P.Tan, X.D.Tang, M.Wiescher Systematic study of (p, γ) reactions on Ni isotopes NUCLEAR REACTIONS 58,60,61,62,64Ni(p, γ), E=2.0-6.0 MeV; measured Eγ, Iγ, σ(E) using the NSCL-SuN gamma detector utilizing γ-summing technique at Notre Dame; deduced sensitivity of the reaction σ(E) with variation of γ- and particle width. Comparison with theoretical predictions from NON-SMOKER and SMARAGD computer code calculations, and with previous experimental data. Predicted astrophysical reaction rates on all stable nickel isotopes including that for 56Ni(p, γ)57Cu.
doi: 10.1103/PhysRevC.87.055802
2013SI35 Nucl.Instrum.Methods Phys.Res. A 703, 16 (2013) A.Simon, S.J.Quinn, A.Spyrou, A.Battaglia, I.Beskin, A.Best, B.Bucher, M.Couder, P.A.Deyoung, X.Fang, J.Gorres, A.Kontos, Q.Li, S.N.Liddick, A.Long, S.Lyons, K.Padmanabhan, J.Peace, A.Roberts, D.Robertson, K.Smith, M.K.Smith, E.Stech, B.Stefanek, W.P.Tan, X.D.Tang, M.Wiescher SuN: Summing NaI(Tl) gamma-ray detector for capture reaction measurements NUCLEAR REACTIONS 27Al(p, γ), E=2.3-3.9 MeV; measured products, Eγ, Iγ; deduced resonance parameters. Data were imported from EXFOR entry C1967.
doi: 10.1016/j.nima.2012.11.045
2013SP04 Phys.Rev. C 88, 045802 (2013) A.Spyrou, S.J.Quinn, A.Simon, T.Rauscher, A.Battaglia, A.Best, B.Bucher, M.Couder, P.A.DeYoung, A.C.Dombos, X.Fang, J.Gorres, A.Kontos, Q.Li, L.Y.Lin, A.Long, S.Lyons, B.S.Meyer, A.Roberts, D.Robertson, K.Smith, M.K.Smith, E.Stech, B.Stefanek, W.P.Tan, X.D.Tang, M.Wiescher Measurement of the 90, 92Zr(p, γ)91, 93Nb reactions for the nucleosynthesis of elements near A=90 NUCLEAR REACTIONS 90,92Zr(p, γ)91Nb/93Nb, E=2.0-5.0 MeV; measured Eγ, Iγ, σ(E) using NSCL SuN detector at Notre Dame accelerator facility; deduced astrophysical S factors, reaction rates, sensitivity of reaction to widths in Hauser-Feshbach model. Comparison with standard NON-SMOKER model, and two TALYS calculations. Relevance to synthesis and abundances of light p nuclei.
doi: 10.1103/PhysRevC.88.045802
2012AL11 Phys.Rev. C 86, 025801 (2012); Pub.Note. Phys.Rev. C 86, 029901 (2012) S.Almaraz-Calderon, W.P.Tan, A.Aprahamian, B.Bucher, A.Roberts, M.Wiescher, C.R.Brune, T.N.Massey, N.Ozkan, R.T.Guray, H.Mach Level structure of 18Ne and its importance in the 14O(α, p)17F reaction rate NUCLEAR REACTIONS 16O(3He, n), E=15 MeV; measured neutron and charged particle spectra, (particle)n-coin, neutron time-of-flight spectrum, p(θ), branching ratios for proton, 2p and α decays of excited states. 18Ne; deduced levels, resonances, J, π, decay modes, widths. 14,16O, 17F; populated g.s. from p, 2p and α decays of 18Ne resonances, and first excited state in 17F from p decay of 18Ne resonances. 14O(α, p)17F, T=0.1-5 GK; calculated reaction rates of astrophysical interest for Hot CNO cycles and their breakout paths towards the rp process. Comparison with previous studies.
doi: 10.1103/PhysRevC.86.025801
2012AL23 Phys.Rev. C 86, 065805 (2012); Erratum Phys.Rev. C 88, 059902 (2013) S.Almaraz-Calderon, W.P.Tan, A.Aprahamian, M.Beard, G.P.A.Berg, B.Bucher, M.Couder, J.Gorres, S.O'Brien, D.Patel, A.Roberts, K.Sault, M.Wiescher, C.R.Brune, T.N.Massey, K.Fujita, K.Hatanaka, D.Ishiwaka, H.Matsubara, H.Okamura, H.J.Ong, Y.Sakemi, Y.Shimizu, T.Suzuki, Y.Tameshige, A.Tamii, J.Zenihiro, T.Kubo, Y.Namiki, Y.Ohkuma, Y.Shimbara, S.Suzuki, R.Watanabe, R.Yamada, T.Adachi, Y.Fujita, H.Fujita, M.Dozono, T.Wakasa Level structure of 30S and its importance in the 26Si(α, p)29P and 29P(p, γ)30S reaction rates NUCLEAR REACTIONS 32S(p, t), E=98.7 MeV; measured triton spectra at two angles using Grand Raiden (GR) magnetic spectrometer at RCNP facility. 28Si(3He, n), E=15 MeV; measured neutron (TOF) spectra, charged-particle spectra, (charged-particle)n-coin, angular distributions using LESA array and scintillation detectors at Notre Dame NSL facility. 30S; deduced levels, proton- and α- unbound levels, J, π, proton branching ratios, partial proton widths. DWBA analysis. Comparison with several previous experimental studies. 29P(p, γ)30S, 26Si(α, p)29P, T9=0.01-10 GK; deduced astrophysical reaction rates. Comparison with previous theoretical calculations. Contribution of resonances to total reaction rates.
doi: 10.1103/PhysRevC.86.065805
2012BU19 J.Phys.:Conf.Ser. 381, 012121 (2012) B.Bucher, J.Browne, S.Almaraz-Calderon, A.Alongi, A.D.Ayangeakaa, A.Best, M.Couder, J.DeBoer, X.Fang, W.Lu, M.Notani, D.Patel, N.Paul, A.Roberts, R.Talwar, W.Tan, X.D.Tang, A.Villano The Role of 12C(12C, n) in the Astrophysical S-Process NUCLEAR REACTIONS 12C(12C, n), E(cm)=3.54-8.74 MeV; measured thin and thick target (4.23-8.74 MeV and 3.54-4.74 MeV, respectively) β-delayed γ rays; deduced modified S-factor, reaction rates. Compared with other data and predictions.
doi: 10.1088/1742-6596/381/1/012121
2012CU04 J.Phys.:Conf.Ser. 381, 012079 (2012) N.Curtis, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, M.Freer, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, C.Wheldon, V.A.Ziman Does a 4-α linear chain exist in 16O? NUCLEAR REACTIONS 12C(α, 8Be), E=12.2-20.0 MeV; measured Eα, Iα from 8Be decay using DSSSD; deduced σ(θ=900), doublet 6+ resonance and its components.
doi: 10.1088/1742-6596/381/1/012079
2012FR11 J.Phys.:Conf.Ser. 381, 012009 (2012) M.Freer, S.Almaraz-Calderon, J.Carter, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, N.Curtis, X.Fang, F.Jung, S.Lesher, W.Lu, J.D.Malcolm, A.Roberts, R.Smit, W.P.Tan, C.Wheldon, V.A.Ziman Simplicity from Complexity
doi: 10.1088/1742-6596/381/1/012009
2012LI37 Phys.Rev. C 86, 024605 (2012) T.X.Liu, W.G.Lynch, R.H.Showalter, M.B.Tsang, X.D.Liu, W.P.Tan, M.J.van Goethem, G.Verde, A.Wagner, H.F.Xi, H.S.Xu, M.A.Famiano, R.T.de Souza, V.E.Viola, R.J.Charity, L.G.Sobotka Isospin observables from fragment energy spectra NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X)1H/2H/3H/3He/4He/6He/6Li/7Li/8Li/9Li/7Be/9Be/10Be/11Be/10B/11B/12B/13B/11C/12C/13C/14C/15C/16C/14N/15N/16N/17N/18N/15O/16O/17O/18O/19O/20O, E=50 MeV/nucleon; measured energy spectra of light charged particles and intermediate mass fragments, fragment yields, σ(E) using LASSA, Miniball and Miniwall arrays at NSCL facility; deduced N/Z ratios.
doi: 10.1103/PhysRevC.86.024605
2012NO01 Phys.Rev. C 85, 014607 (2012) M.Notani, H.Esbensen, X.Fang, B.Bucher, P.Davies, C.L.Jiang, L.Lamm, C.J.Lin, C.Ma, E.Martin, K.E.Rehm, W.P.Tan, S.Thomas, X.D.Tang, E.Brown Correlation between the 12C+12C, 12C+13C, and 13C+13C fusion cross sections NUCLEAR REACTIONS 12C(13C, p)24Na, 13C(13C, np)24Na, E(cm)=2.6-4.8 MeV; measured Eγ, Iγ, βγ-coin from 24Na decay; deduced thick target yield by activation method, GEANT4 simulation, fusion cross section, S factors. 12C(12C, X), (13C, X), 13C(13C, X), E(cm)=2.5-6.5 MeV; analyzed fusion cross sections, fusion barrier parameters, spectroscopic factors by fitting with Wong formula. Comparison of experimental data with two coupled-channels calculations using ingoing wave boundary condition (IWBC).
doi: 10.1103/PhysRevC.85.014607
2012PA03 Phys.Rev. C 85, 028801 (2012) A.Palumbo, W.P.Tan, J.Gorres, M.Wiescher, N.Ozkan, R.T.Guray, C.Yalcin Measurement of 120Te(α, n) cross sections relevant to the astrophysical p process NUCLEAR REACTIONS 120Te(α, n), E(cm)=9.99, 10.14, 10.63 MeV; measured Eγ, Iγ, cross section by activation technique; deduced S factor. Comparison with Hauser-Feshbach (HF) calculations using CIGAR computer code, and TALYS code.
doi: 10.1103/PhysRevC.85.028801
2012PA08 Phys.Rev. C 85, 035808 (2012), Erratum Phys.Rev. C 88, 039902 (2013) A.Palumbo, W.P.Tan, J.Gorres, A.Best, M.Couder, R.Crowter, R.J.de Boer, S.Falahat, P.J.LeBlanc, H.Y.Lee, S.O'Brien, E.Strandberg, M.Wiescher, J.P.Greene, Zs.Fulop, G.G.Kiss, E.Somorjai, N.Ozkan, G.Efe, R.T.Guray Systematic study of the α-optical potential via elastic scattering near the Z=50 region for p-process nuclei NUCLEAR REACTIONS 106Cd, 118Sn, 120,124,126,128,130Te(α, α), E=17-27 MeV; measured Eα, Iα, σ(E, θ). 106Cd, 112Sn(α, γ), E(cm)=7-12.5 MeV; 106Cd, 120Te(α, n), E(cm)=9.7-12.5 MeV; 118Sn(α, n), E=11-16.5 MeV; 106Cd(α, p), E(cm)=8.6-10.3 MeV; 112Sn(α, p), E(cm)=9.2-12.0 MeV; deduced σ and S factors relevant to p-process nuclei. Optical model analysis. HF statistical model calculations. Comparisons with other measurements.
doi: 10.1103/PhysRevC.85.035808
2011FR02 Phys.Rev. C 83, 034314 (2011) M.Freer, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, N.Curtis, X.Fang, F.Jung, S.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, C.Wheldon, V.A.Ziman Evidence for a new 12C state at 13.3 MeV NUCLEAR REACTIONS 9Be, 12C(α, 3α), E=22-30 MeV; measured Eα, Iα, 12C-α angular correlations; deduced Dalitz plot. 12C; deduced levels, J, π, width. Possible collective excitation of Hoyle state.
doi: 10.1103/PhysRevC.83.034314
2011SO35 J.Phys.:Conf.Ser. 312, 042007 (2011) K.Sonnabend, J.Glorius, J.Gorres, M.Knorzer, S.Muller, A.Sauerwein, W.P.Tan, M.Wiescher Activation Experiments for p-Process Nucleosynthesis NUCLEAR REACTIONS 166Er(α, n), E=11.75-15 MeV;169Tm(p, n), E(cm)=3.3-6.8 MeV; measured Eγ, Iγ using HPGe; deduced σ using activation method; calculated σ using TALYS and NON-SMOKER. A=155-176(γ, n), E≈Gamow window; measured Eγ, Iγ from bremsstrahlung experiment; deduced reaction rates; calculated reaction rates using TALYS. Compared with other published data on (γ, n).
doi: 10.1088/1742-6596/312/4/042007
2010CO12 Phys.Rev. C 82, 035802 (2010) H.Costantini, R.J.de Boer, R.E.Azuma, M.Couder, J.Gorres, J.W.Hammer, P.J.LeBlanc, H.Y.Lee, S.O'Brien, A.Palumbo, E.C.Simpson, E.Stech, W.Tan, E.Uberseder, M.Wiescher 16O(α, γ)20Ne S factor: Measurements and R-matrix analysis NUCLEAR REACTIONS 16O(α, γ), E=2.5 MeV; measured Eγ, Iγ, γγ-coin, Eα, Iα. 20Ne; deduced levels, J, π, resonances, width, yields, branching ratios, S factors, reaction rates. R-matrix analysis.
doi: 10.1103/PhysRevC.82.035802
2010LE21 Phys.Rev. C 82, 055804 (2010), Erratum Phys.Rev. C 84, 019902 (2011) P.J.LeBlanc, G.Imbriani, J.Gorres, M.Junker, R.Azuma, M.Beard, D.Bemmerer, A.Best, C.Broggini, A.Caciolli, P.Corvisiero, H.Costantini, M.Couder, R.deBoer, Z.Elekes, S.Falahat, A.Formicola, Zs.Fulop, G.Gervino, A.Guglielmetti, C.Gustavino, Gy.Gyurky, F.Kappeler, A.Kontos, R.Kuntz, H.Leiste, A.Lemut Q.Li, B.Limata, M.Marta, C.Mazzocchi, R.Menegazzo, S.O'Brien, A.Palumbo, P.Prati, V.Roca, C.Rolfs, C.Rossi Alvarez, E.Somorjai, E.Stech, O.Straniero, F.Strieder, W.Tan, F.Terrasi, H.P.Trautvetter, E.Uberseder, M.Wiescher Constraining the S factor of 15N(p, γ)16O at astrophysical energies NUCLEAR REACTIONS 15N(p, γ), E=130-1800 keV; measured Ep, Ip, Eγ, Iγ, σ(E), σ(θ); deduced resonances, branching ratios, astrophysical S factors and reaction rates. Multilevel R-matrix analysis. Implications for the first and second cycles of the CNO cycles.
doi: 10.1103/PhysRevC.82.055804
2010NO04 Nucl.Phys. A834, 192c (2010) M.Notani, P.Davies, B.Bucher, X.Fang, L.Lamm, C.Ma, E.Martin, W.Tan, X.D.Tang, S.Thomas, C.L.Jiang Study of the hindrance effect in sub-barrier fusion reactions NUCLEAR REACTIONS 12C(13C, p), E(cm)=2.6-5.0 MeV; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, thick target yield; deduced σ, astrophysical S-factor. Comparison with data and calculations.
doi: 10.1016/j.nuclphysa.2009.12.037
2010TA17 Nucl.Phys. A834, 679c (2010) W.P.Tan, S.Almaraz, A.Aprahamian, B.Bucher, J.Gorres, H.Mach, M.Wiescher, C.Brune, Z.Heinen, T.Massey α-Induced Reaction Rates for Accreting Compact Stars NUCLEAR REACTIONS 16O, 28Si(3He, n), E=15 MeV; measured ToF neutron σ(E). 18Ne, 30S; deduced energies of levels.
doi: 10.1016/j.nuclphysa.2010.01.123
2009GU27 Phys.Rev. C 80, 035804 (2009) R.T.Guray, N.Ozkan, C.Yalcin, A.Palumbo, R.deBoer, J.Gorres, P.J.Leblanc, S.O'Brien, E.Strandberg, W.P.Tan, M.Wiescher, Zs.Fulop, E.Somorjai, H.Y.Lee, J.P.Greene Measurements of proton-induced reaction cross sections on 120Te for the astrophysical p process NUCLEAR REACTIONS 120Te(p, γ), (p, n), E(cm)=2.47-7.93 MeV; measured Eγ, Iγ, half-life, σ by activation method; deduced astrophysical S factors. Comparison with statistical model calculations using NON-SMOKER and TALYS computer codes. RADIOACTIVITY 120I(EC); measured Eγ. 120I; deduced ground-state half-life.
doi: 10.1103/PhysRevC.80.035804
2009LE23 Phys.Rev. C 80, 025805 (2009) H.Y.Lee, M.Couder, A.Couture, S.Falahat, J.Gorres, L.Lamm, P.J.LeBlanc, S.O'Brien, A.Palumbo, E.Stech, E.Strandberg, W.Tan, C.Ugalde, M.Wiescher Cross-section measurement of the 18F(α, p)21Ne reaction and possible implication for neutron production in explosive helium burning NUCLEAR REACTIONS 21Ne(p, α)18F, E=2.3-4.0 MeV; measured Eγ, Iγ, decay curves, half-lives; deduced reaction yields and σ by R-matrix analysis. 18F(α, p)21Ne, E=0.5-2.1 MeV; deduced σ and reaction rates. Comparison with Hauser-Feshbach calculations. Discussed implications for astrophysical r-process and evolution of elemental abundances in supernovae.
doi: 10.1103/PhysRevC.80.025805
2009TA09 Phys.Rev. C 79, 055805 (2009) W.P.Tan, J.Gorres, M.Beard, M.Couder, A.Couture, S.Falahat, J.L.Fisker, L.Lamm, P.J.LeBlanc, H.Y.Lee, S.O'Brien, A.Palumbo, E.Stech, E.Strandberg, M.Wiescher Measurement of the decay branching ratios of the α-unbound states in 19Ne and the 15O(α, γ) reaction rate NUCLEAR REACTIONS 19F(3He, t), E=24 MeV; measured triton spectra, tα-coin, α(θ), α-decay branching ratios. 19Ne; deduced levels, J, π, α-unbound resonances. 15O(α, γ); deduced reaction rates versus temperature.
doi: 10.1103/PhysRevC.79.055805
2008CO03 Phys.Rev. C 77, 015802 (2008) A.Couture, M.Beard, M.Couder, J.Gorres, L.Lamm, P.J.LeBlanc, H.Y.Lee, S.O'Brien, A.Palumbo, E.Stech, E.Strandberg, W.Tan, E.Uberseder, C.Ugalde, M.Wiescher, R.Azuma Measurement of the 19F(p, γ)20Ne reaction and interference terms from Ec.m.=200-760 keV NUCLEAR REACTIONS 19F(p, γ), E(cm)=200-700 keV; measured Eγ, Iγ, resonance parameters, interference signs. 20Ne, 16O, 19F; deduced levels, J, π.
doi: 10.1103/PhysRevC.77.015802
2008ST11 Phys.Rev. C 77, 055801 (2008) E.Strandberg, M.Beard, M.Couder, A.Couture, S.Falahat, J.Gorres, P.J.LeBlanc, H.Y.Lee, S.O'Brien, A.Palumbo, E.Stech, W.P.Tan, C.Ugalde, M.Wiescher, H.Costantini, K.Scheller, M.Pignatari, R.Azuma, L.Buchmann 24Mg(α, γ)28Si resonance parameters at low alpha-particle energies NUCLEAR REACTIONS 24Mg(α, γ), E=1.0-1.5 MeV; measured Eγ, Iγ, γγ-coin, branching ratios, resonance strengths. 28Si; deduced levels, J, π, reaction rates. 13C, 17O, 21,22Ne, 25Mg(α, n); 16O, 20Ne(α, γ); 23Na, 24Mg, 27Al(p, γ); 23Na, 24Mg, 27Al, 28Si(n, γ); 25Al(γ, p); 27Al(p, α); analyzed reaction rates.
doi: 10.1103/PhysRevC.77.055801
2008UG01 Phys.Rev. C 77, 035801 (2008) C.Ugalde, R.E.Azuma, A.Couture, J.Gorres, H.Y.Lee, E.Stech, E.Strandberg, W.Tan, M.Wiescher Thermonuclear rate for the 19F(α, p)22Ne reaction at stellar temperatures NUCLEAR REACTIONS 19F(α, p), E=792-1993 keV; measured yield curves, σ, σ(θ), reaction rate at stellar temperatures; calculated low energy S-factor. R-matrix analysis.
doi: 10.1103/PhysRevC.77.035801
2007LI52 Phys.Rev. C 76, 034603 (2007) T.X.Liu, W.G.Lynch, M.B.Tsang, X.D.Liu, R.Shomin, W.P.Tan, G.Verde, A.Wagner, H.F.Xi, H.S.Xu, B.Davin, Y.Larochelle, R.T.de Souza, R.J.Charity, L.G.Sobotka Isospin diffusion observables in heavy-ion reactions
doi: 10.1103/PhysRevC.76.034603
2007LU10 Astrophys.J. 665, 637 (2007) J.Lund Fisker, W.Tan, J.Gorres, M.Wiescher, R.L.Cooper The 15O(α, γ)19Ne Reaction Rate and the Stability of Thermonuclear Burning on Accreting Neutron Stars NUCLEAR REACTIONS 15O(α, γ), E=low; calculated reaction rate.
2007TA13 Phys.Rev.Lett. 98, 242503 (2007) W.P.Tan, J.L.Fisker, J.Gorres, M.Couder, M.Wiescher 15O(α, γ)19Ne Breakout Reaction and Impact on X-Ray Bursts RADIOACTIVITY 19Ne(α) [from 19F(3He, t)]; measured Eα, Iα. 15O(α, γ); deduced reaction rate at astrophysical energies.
doi: 10.1103/PhysRevLett.98.242503
2007VE07 Phys.Lett. B 653, 12 (2007) G.Verde, P.Danielewicz, W.G.Lynch, C.F.Chan, C.K.Gelbke, L.K.Kwong, T.X.Liu, X.D.Liu, D.Seymour, R.Shomin, W.P.Tan, M.B.Tsang, A.Wagner, H.S.Xu, D.A.Brown, B.Davin, Y.Larochelle, R.T.de Souza, R.Yanez, R.J.Charity, L.G.Sobotka d-α correlation functions and collective motion in Xe+Au collisions at E/A=50 MeV NUCLEAR REACTIONS 197Au(129Xe, X), E=50 MeV/nucleon; measured charged particle spectra, d-α correlation function. Comparison with model results with thermal and collective motion.
doi: 10.1016/j.physletb.2007.07.031
2007WI06 Prog.Part.Nucl.Phys. 59, 51 (2007) M.Wiescher, G.P.A.Berg, M.Couder, J.L.Fisker, Y.Fujita, J.Gorres, M.N.Harakeh, K.Hatanaka, A.Matic, W.Tan, A.M.van den Berg Astrophysical nuclear reactions and the break-out from the hot CNO cycles
doi: 10.1016/j.ppnp.2007.01.021
2006LI21 Europhys.Lett. 74, 806 (2006) T.X.Liu, W.G.Lynch, M.J.van Goethem, X.D.Liu, R.Shomin, W.P.Tan, M.B.Tsang, G.Verde, A.Wagner, H.F.Xi, H.S.Xu, W.A.Friedman, S.R.Souza, R.Donangelo, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, R.T.de Souza, R.Yanez, V.E.Viola, R.J.Charity, L.G.Sobotka Cooling dynamics in multi-fragmentation processes NUCLEAR REACTIONS 112Sn(112Sn, X), E not given; measured fragments isotopic yields, kinetic energy spectra; deduced pre-equilibrium effects.
doi: 10.1209/epl/i2006-10040-x
2005HU11 Phys.Rev. C 71, 054604 (2005) S.Hudan, R.Alfaro, B.Davin, Y.Larochelle, H.Xu, L.Beaulieu, T.Lefort, R.Yanez, R.T.de Souza, R.J.Charity, L.G.Sobotka, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi Comparison of midvelocity fragment formation with projectilelike decay NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; measured fragments charge distribution, isotopic yields, transverse velocity.
doi: 10.1103/PhysRevC.71.054604
2005TA28 Phys.Rev. C 72, 041302 (2005) W.P.Tan, J.Gorres, J.Daly, M.Couder, A.Couture, H.Y.Lee, E.Stech, E.Strandberg, C.Ugalde, M.Wiescher Lifetime of the astrophysically important 4.03-MeV state in 19Ne NUCLEAR REACTIONS 17O(3He, n), E=3.0 MeV; measured Eγ, Iγ, nγ-coin, DSA. 19Ne levels deduced energies, T1/2. Astrophysical implications discussed. Comparison with model predictions.
doi: 10.1103/PhysRevC.72.041302
2005UG04 Nucl.Phys. A758, 577c (2005) C.Ugalde, R.Azuma, A.Couture, J.Gorres, M.Heil, K.Scheller, E.Stech, W.Tan, M.Wiescher The reaction rate for the destruction of fluorine in AGB stars NUCLEAR REACTIONS 19F(α, p), E=1238-2009 keV; measured yields; deduced astrophysical reaction rates.
doi: 10.1016/j.nuclphysa.2005.05.106
2004HU16 Phys.Rev. C 70, 031601 (2004) S.Hudan, R.Alfaro, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, V.E.Viola, H.Xu, R.Yanez, R.T.de Souza, R.J.Charity, L.G.Sobotka, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi Interplay of initial deformation and Coulomb proximity on nuclear decay NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; measured Eα, angular distributions following projectile-like fragment decay; deduced deformation and orientation effects, related reaction mechanism features.
doi: 10.1103/PhysRevC.70.031601
2004LI08 Phys.Rev. C 69, 014603 (2004) T.X.Liu, M.J.van Goethem, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, G.Verde, A.Wagner, H.F.Xi, H.S.Xu, M.Colonna, M.Di Toro, M.Zielinska-Pfabe, H.H.Wolter, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, R.T.de Souza, R.Yanez, V.E.Viola, R.J.Charity, L.G.Sobotka Isotope yields from central 112, 124Sn + 112, 124Sn collisions: Dynamical emission? NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E=50 MeV/nucleon; measured light fragment isotopic yields; deduced reaction mechanism features. Stochastic mean field calculations.
doi: 10.1103/PhysRevC.69.014603
2004SO07 Phys.Rev. C 69, 031607 (2004) S.R.Souza, R.Donangelo, W.G.Lynch, W.P.Tan, M.B.Tsang Isoscaling bearing information on the nuclear caloric curve
doi: 10.1103/PhysRevC.69.031607
2004TA17 Phys.Rev. C 69, 061304 (2004) W.P.Tan, W.G.Lynch, T.X.Liu, X.D.Liu, M.B.Tsang, G.Verde, A.Wagner, H.S.Xu, B.Davin, R.T.de Souza, Y.Larochelle, R.Yanez, R.J.Charity, L.G.Sobotka Spin determination of particle unstable levels with particle correlations NUCLEAR REACTIONS 197Au(129Xe, X), E=50 MeV/nucleon; measured charged particle spectra, correlations. 8Be, 8B; deduced excited states J, π. Equilibrium approach.
doi: 10.1103/PhysRevC.69.061304
2004TS01 Phys.Rev.Lett. 92, 062701 (2004) M.B.Tsang, T.X.Liu, L.Shi, P.Danielewicz, C.K.Gelbke, X.D.Liu, W.G.Lynch, W.P.Tan, G.Verde, A.Wagner, H.S.Xu, W.A.Friedman, L.Beaulieu, B.Davin, R.T.de Souza, Y.Larochelle, T.Lefort, R.Yanez, V.E.Viola, Jr., R.J.Charity, L.G.Sobotka Isospin Diffusion and the Nuclear Symmetry Energy in Heavy Ion Reactions NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E=50 MeV/nucleon; measured Z=1-8 fragments isotopic yields; deduced isospin diffusion effects. Transport model calculations.
doi: 10.1103/PhysRevLett.92.062701
2003SO11 Phys.Rev. C 67, 051602 (2003) S.R.Souza, P.Danielewicz, S.Das Gupta, R.Donangelo, W.A.Friedman, W.G.Lynch, W.P.Tan, M.B.Tsang Mass parametrizations and predictions of isotopic observables NUCLEAR STRUCTURE A=10-270; analyzed mass parameterizations, implications for yield predictions in multifragmentation reactions.
doi: 10.1103/PhysRevC.67.051602
2003TA18 Phys.Rev. C 68, 034609 (2003) W.P.Tan, S.R.Souza, R.J.Charity, R.Donangelo, W.G.Lynch, M.B.Tsang Isospin effects in nuclear multifragmentation NUCLEAR STRUCTURE 186Re; calculated fragment charge and mass distributions from decay of excited system, isotopic yields, calometric observables; deduced isospin effects. Improved statistical multifragmentation model.
doi: 10.1103/PhysRevC.68.034609
2003YA06 Phys.Rev. C 68, 011602 (2003) R.Yanez, S.Hudan, R.Alfaro, B.Davin, Y.Larochelle, H.Xu, L.Beaulieu, T.Lefort, V.E.Viola, R.T.de Souza, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi, R.J.Charity, L.G.Sobotka Excitation and decay of projectilelike fragments formed in dissipative peripheral collisions at intermediate energies NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; measured Ep, Eα, projectile-like fragments energy, angle, and charge distributions; deduced role of velocity dissipation, other reaction mechanism features.
doi: 10.1103/PhysRevC.68.011602
2002DA11 Phys.Rev. C65, 064614 (2002) B.Davin, R.Alfaro, H.Xu, L.Beaulieu, Y.Larochelle, T.Lefort, R.Yanez, S.Hudan, A.L.Caraley, R.T.de Souza, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi, C.K.Gelbke, R.J.Charity, L.G.Sobotka Fragment Production in Noncentral Collisions of Intermediate-Energy Heavy Ions NUCLEAR REACTIONS 92Mo(114Cd, X), E=50 MeV/nucleon; measured fragment charge and angular correlations, relative velocities; deduced reaction mechanism features.
doi: 10.1103/PhysRevC.65.064614
2002XU07 Phys.Rev. C65, 061602 (2002) H.Xu, R.Alfaro, B.Davin, L.Beaulieu, Y.Larochelle, T.Lefort, R.Yanez, S.Hudan, R.T.de Souza, T.X.Liu, X.D.Liu, W.G.Lynch, R.Shomin, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi, C.K.Gelbke, R.J.Charity, L.G.Sobotka, A.S.Botvina Fragment Isospin as a Probe of Heavy-Ion Collisions NUCLEAR REACTIONS 98Mo(114Cd, X), E=50 MeV/nucleon; measured fragments isotopic yields, velocity distributions; deduced source features. Comparison with statistical model results.
doi: 10.1103/PhysRevC.65.061602
2001TA30 Phys.Rev. C64, 051901 (2001) W.P.Tan, B.-A.Li, R.Donangelo, C.K.Gelbke, M.-J.van Goethem, X.D.Liu, W.G.Lynch, S.Souza, M.B.Tsang, G.Verde, A.Wagner, H.S.Xu Fragment Isotope Distributions and the Isospin Dependent Equation of State NUCLEAR REACTIONS 112,124Sn(112Sn, X), 124Sn(124Sn, X), E=50 MeV/nucleon; analyzed fragments isotopic yield ratios, connection to asymmetry term in isospin dependent equation of state.
doi: 10.1103/PhysRevC.64.051901
2001TS08 Phys.Rev. C64, 054615 (2001) M.B.Tsang, C.K.Gelbke, X.D.Liu, W.G.Lynch, W.P.Tan, G.Verde, H.S.Xu, W.A.Friedman, R.Donangelo, S.R.Souza, C.B.Das, S.Das Gupta, D.Zhabinsky Isoscaling in Statistical Models NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E*=6 MeV/nucleon; calculated fragment multiplicities, isotopic yield ratios. Statistical multifragmentation models, comparison with data.
doi: 10.1103/PhysRevC.64.054615
2001VE02 Nucl.Phys. A681, 299c (2001) G.Verde, H.S.Xu, T.X.Liu, X.D.Liu, W.G.Lynch, W.P.Tan, M.B.Tsang, A.Vander Molen, A.Wagner, H.F.Xi, C.K.Gelbke, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, R.T.de Souza, R.Yanez, V.Viola, R.J.Charity, L.G.Sobotka Isospin Fractionation in Nuclear Fragmentation NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E=50 MeV/nucleon; measured light and intermediate fragments isotopic yields; deduced phase transition features.
doi: 10.1016/S0375-9474(00)00531-5
2000SO16 Phys.Rev. C62, 064607 (2000) S.R.Souza, W.P.Tan, R.Donangelo, C.K.Gelbke, W.G.Lynch, M.B.Tsang Nuclear Isotope Thermometry NUCLEAR STRUCTURE 112Sn; calculated isotopic yields associated with excited nucleus decay, related thermodynamic features; deduced role of secondary decay, implications for isotope thermometry.
doi: 10.1103/PhysRevC.62.064607
2000XU05 Phys.Rev.Lett. 85, 716 (2000) H.S.Xu, M.B.Tsang, T.X.Liu, X.D.Liu, W.G.Lynch, W.P.Tan, A.Vander Molen, G.Verde, A.Wagner, H.F.Xi, C.K.Gelbke, L.Beaulieu, B.Davin, Y.Larochelle, T.Lefort, R.T.de Souza, R.Yanez, V.E.Viola, R.J.Charity, L.G.Sobotka Isospin Fractionation in Nuclear Multifragmentation NUCLEAR REACTIONS 112,124Sn(112Sn, X), (124Sn, X), E=50 MeV/nucleon; measured light and intermediate fragments isotopic distributions, relative yields; deduced gass phase isotopic distribution, related reaction mechanism features.
doi: 10.1103/PhysRevLett.85.716
Back to query form Note: The following list of authors and aliases matches the search parameter W.Tan: , W.H.TAN, W.P.TAN |