NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = D.Santiago-Gonzalez Found 39 matches. 2024LA01 Phys.Rev. C 109, 024309 (2024) S.Lalkovski, F.G.Kondev, K.Auranen, A.D.Ayangeakaa, M.P.Carpenter, J.A.Clark, P.Copp, N.P.Giha, D.J.Hartley, T.Lauritsen, S.Marley, G.E.Morgan, C.Muller-Gatermann, S.Nandi, W.Reviol, D.Santiago-Gonzalez, G.Savard, D.Seweryniak, Ir.B.Vasilev, J.Wu Structure of the high-spin, β-decaying state in the neutron-rich nucleus 146La
doi: 10.1103/PhysRevC.109.024309
2024LO03 Nucl.Instrum.Methods Phys.Res. A1062, 169228 (2024) S.Lopez-Caceres, S.T.Marley, M.P.Carpenter, G.Savard, F.G.Kondev, P.Copp, W.Reviol, C.Muller-Gatermann, D.Seweryniak, J.A.Clark, D.Santiago-Gonzalez, G.E.Morgan, A.J.Mitchell, G.L.Wilson, M.L.Smith The LSU-Argonne conversion electron spectrometer: A new detector for the X-Array and SATURN decay station RADIOACTIVITY 150Ce, 150Pr(β-); measured decay products, Eβ, Iβ, X-rays; deduced T1/2 via conversion electrons emission. Comparison with available data. The LSU-Argonne Conversion Electron Spectrometer (LACES), the ATLAS/CARIBU facility at Argonne National Laboratory.
doi: 10.1016/j.nima.2024.169228
2023JA08 Phys.Rev.Lett. 845, 112701 (2023) H.Jayatissa, M.L.Avila, K.E.Rehm, P.Mohr, Z.Meisel, J.Chen, C.R.Hoffman, J.Liang, C.Muller-Gatermann, D.Neto, W.J.Ong, A.Psaltis, D.Santiago-Gonzalez, T.L.Tang, C.Ugalde, G.Wilson Study of the 22Mg Waiting Point Relevant for X-Ray Burst Nucleosynthesis via the 22Mg(α, p)25Al Reaction NUCLEAR REACTIONS 4He(22Mg, p), E=74 MeV; measured reaction products, Ep, Ip; deduced σ, reaction rates. Comparison with calculations. MUlti-Sampling Ionization Chamber (MUSIC) detector, the Argonne Tandem Linac Accelerator System (ATLAS) at Argonne National Laboratory.
doi: 10.1103/PhysRevLett.131.112701
2023MU01 Phys.Rev. C 107, L011602 (2023) D.Mucher, A.Spyrou, M.Wiedeking, M.Guttormsen, A.C.Larsen, F.Zeiser, C.Harris, A.L.Richard, M.K.Smith, A.Gorgen, S.N.Liddick, S.Siem, H.C.Berg, J.A.Clark, P.A.DeYoung, A.C.Dombos, B.Greaves, L.Hicks, R.Kelmar, S.Lyons, J.Owens-Fryar, A.Palmisano, D.Santiago-Gonzalez, G.Savard, W.W.von Seeger Extracting model-independent nuclear level densities away from stability RADIOACTIVITY 76Ga(β-); analyzed experimental total absorption spectrum (TAS) data in 2016Do05: Phys. Rev. C 93, 064317. 76Ge; deduced γ-strength function (γSF), nuclear level density (NLD). Comparison to other experimental data and to γ-strength function in 74Ge. 88Br(β-); measured Eγ, Iγ, TAS spectrum using Summing NaI (SuN) detector at Argonne CARIBU facility. 88Kr; deduced γ-strength function (γSF), nuclear level density (NLD). Compared with other experimental data γ-strength functions for 86Kr and 87Kr. NLD results are compared to calculations done with 3 semi-microscopic models - HFB+Skyrme, HFB+Skyrme combinatorial, temperature-dependent HFB+Gogny. Combination of "shape" method with β-Oslo technique which allows extraction of NLD in model independent way. NUCLEAR REACTIONS 87Kr(n, γ), E<1 MeV; calculated σ(E) using newly obtained NLD. Values are given relative to calculated ones using current RIPL-3 recommended level densities.
doi: 10.1103/PhysRevC.107.L011602
2022CH55 Phys.Rev. C 106, 064312 (2022) J.Chen, B.P.Kay, T.L.Tang, I.A.Tolstukhin, C.R.Hoffman, H.Li, P.Yin, X.Zhao, P.Maris, J.P.Vary, G.Li, J.L.Lou, M.L.Avila, Y.Ayyad, S.Bennett, D.Bazin, J.A.Clark, S.J.Freeman, H.Jayatissa, C.Muller-Gatermann, A.Munoz-Ramos, D.Santiago-Gonzalez, D.K.Sharp, A.H.Wuosmaa, C.X.Yuan Probing the quadrupole transition strength of 15C via deuteron inelastic scattering NUCLEAR REACTIONS 1H(15C, p), 2H(15C, d);E=7.1 MeV/nucleon; measured reaction products, Ep, Ip, deuteron spectrum; deduced elastic and inelastic scattering σ(θ). 15C; deduced B(E2), proton quadrupole matrix element, ratio of neutron and proton matrix elements, proton deformation length, core polarization parameters, neutron effective charge; calculated levels, J, π, B(E2), magnetic dipole moments. Comparison to data on 17O and other C isotopes. Ab initio no-core configuration interaction (NCCI) calculations with Daejeon16 interaction. HELIOS spectrometer at ATLAS in-flight facility (Argonne National Laboratory).
doi: 10.1103/PhysRevC.106.064312
2022JA08 Phys.Rev. C 105, L042802 (2022) H.Jayatissa, M.L.Avila, K.E.Rehm, R.Talwar, P.Mohr, K.Auranen, J.Chen, D.A.Gorelov, C.R.Hoffman, C.L.Jiang, B.P.Kay, S.A.Kuvin, D.Santiago-Gonzalez First direct measurement of the 13N(α, p)16O reaction relevant for core-collapse supernovae nucleosynthesis NUCLEAR REACTIONS 4He(13N, p), E=34.6 MeV; measured energies and yields of reaction products; deduced σ(Ε) in the range E(cm)=3.26–6.02 MeV, astrophysical S-factor. 4He(13N, p), T=0.8-10.0 GK; deduced astrophysical reaction rates. Comparison to other experimental data, TALYS calculations and data from REACLIB. MUlti-Sampling Ionization Chamber (MUSIC) detector filled with He-Kr gas mixture at ATLAS (ANL).
doi: 10.1103/PhysRevC.105.L042802
2022NE12 Phys.Rev. C 106, 044320 (2022) S.Neupane, J.Heideman, R.Grzywacz, M.Cooper, J.Hooker, K.L.Jones, T.T.King, N.Kitamura, M.Madurga, K.Siegl, C.R.Thornsberry, P.Wagenknecht, Z.Y.Xu, L.H.Heilbronn, M.M.Rajabali, A.Chester, A.Richard, Y.Alberty-Jones, J.Derkin, T.N.Massey, D.Soltesz, N.T.Brewer, B.C.Rasco, K.P.Rykaczewski, M.Wolinska-Cichocka, J.Clark, D.Santiago-Gonzalez, G.Savard Demonstration of the neutron tracking capability of NEXT array in time-of-flight measurements to improve energy resolution RADIOACTIVITY 17N, 104Nb(β-n); measured neutron time-of-flight (ToF), En, In. Data on the commissioning of the Neutron dEtector with Xn Tracking (NEXT) array consisting of 8x4 optically separated segments. Measurement of 17N decay at National Superconducting Cyclotron Laboratory (NSCL), 106Nb decay Argonne National Laboratory (ANL, CARIBU Facility). NUCLEAR REACTIONS 27Al(d, n), E=7.44 MeV; measured neutron time-of-flight (ToF), En, In. Data on the commissioning of the Neutron dEtector with Xn Tracking (NEXT) array consisting of 8x4 optically separated segments. Deuteron beam from Ohio University Edwards Accelerator Laboratory (EAL).
doi: 10.1103/PhysRevC.106.044320
2022ON02 Phys.Rev. C 105, 055803 (2022) W.-J.Ong, M.L.Avila, P.Mohr, K.E.Rehm, D.Santiago-Gonzalez, J.Chen, C.R.Hoffman, Z.Meisel, F.Montes, J.Pereira Measurement of the 100Mo (α, xn) cross section at weak $r$-process energies NUCLEAR REACTIONS 4He(100Mo, xn);E(cm)=8.9-13.2 MeV; measured reaction products; deduced σ(E). 4He(100Mo, 2n), E=11.84-13.17; deduced σ(E).Comparison to other experimental data and Hauser-Feschbach calculations. The MUSIC detector at Argonne Tandem Linac Accelerator System (ATLAS) facility.
doi: 10.1103/PhysRevC.105.055803
2022TA07 Phys.Rev. C 105, 064307 (2022) T.L.Tang, C.R.Hoffman, B.P.Kay, I.A.Tolstukhin, S.Almaraz-Calderon, B.W.Asher, M.L.Avila, Y.Ayyad, K.W.Brown, D.Bazin, J.Chen, K.A.Chipps, P.A.Copp, M.Hall, H.Jayatissa, H.J.Ong, D.Santiago-Gonzalez, D.K.Sharp, J.Song, S.Stolze, G.L.Wilson, J.Wu Experimental study of the isomeric state in 16N using the 16Ng, m(d, 3He) reaction NUCLEAR REACTIONS 2H(16N, 3He), (16mN, 3He), E=11.8 MeV/nucleon, [secondary 16N mixed beam of ground state and the isomeric state produced in 2H(15N, 16N) primary reaction at ATLAS-ANL facility]; measured reaction products, 3He spectra, (recoils)(3He)-coin, angular distributions using HELIOS spectrometer. 15C; deduced levels, J, π, spectroscopic factors, DWBA calculations. 16mN; deduced neutron-halo of the isomeric state. Comparison with Woods-Saxon potential model calculations.
doi: 10.1103/PhysRevC.105.064307
2021KO09 Nucl.Instrum.Methods Phys.Res. A1000, 165240 (2021) K.Kolos, A.M.Hennessy, N.D.Scielzo, V.E.Iacob, J.C.Hardy, M.A.Stoyer, A.P.Tonchev, W.-J.Ong, M.T.Burkey, B.Champine, J.A.Clark, P.Copp, A.Gallant, E.B.Norman, R.Orford, H.I.Park, J.Rohrer, D.Santiago-Gonzalez, G.Savard, A.J.Shaka, B.S.Wang, S.Zhu New approach to precisely measure γ-ray intensities for long-lived fission products, with results for the decay of 95Zr RADIOACTIVITY 95Zr, 95Nb, 95Sr, 95Y(β-); measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced γ-ray energies and intensities, β-branching ratios. Comparison with a Monte Carlo decay code simulations. CARIBU facility, the reactor facility at TAMU.
doi: 10.1016/j.nima.2021.165240
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
2019CH51 Phys.Rev. C 100, 064314 (2019) J.Chen, K.Auranen, M.L.Avila, B.B.Back, M.A.Caprio, C.R.Hoffman, D.Gorelov, B.P.Kay, S.A.Kuvin, Q.Liu, J.L.Lou, A.O.Macchiavelli, D.G.McNeel, T.L.Tang, D.Santiago-Gonzalez, R.Talwar, J.Wu, G.Wilson, R.B.Wiringa, Y.L.Ye, C.X.Yuan, H.L.Zang Experimental study of the low-lying negative-parity states in 11Be using the 12B (d, 3He) 11Be reaction NUCLEAR REACTIONS 2H(12B, 3He)11Be, (12B, 12B'), E=12 MeV/nucleon, [secondary 12Be beam from 2H(11B, 12B), E=13.5 MeV/nucleon primary reaction]; measured reaction products, E(3He), I(3He), (3He)(11Be)- and (3He)(10Be)-coin, σ(θ) using the HELical Orbit Spectrometer (HELIOS) at the ATLAS In-Flight facility at ANL. Deuterated polyethylene (CD2)n target. 11Be; deduced levels, l-transfers, configurations, spectroscopic factors. Distorted wave Born approximation (DWBA) analysis. Comparison with previous experimental data, and with results from variational Monte Carlo and no-core shell-model calculations. Comparison with 11B(d, 3He)10Be experimental data.
doi: 10.1103/PhysRevC.100.064314
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
2018AS03 Nucl.Instrum.Methods Phys.Res. A899, 6 (2018) B.W.Asher, S.Almaraz-Calderon, O.Nusair, K.E.Rehm, M.L.Avila, A.A.Chen, C.A.Dickerson, C.L.Jiang, B.P.Kay, R.C.Pardo, D.Santiago-Gonzalez, R.Talwar Development of an Isomeric beam of 26Al for nuclear reaction studies NUCLEAR REACTIONS 1H(26Mg, 26Al), E=158.5 MeV; measured reaction products, Eγ, Iγ. 26mAl; deduced σ. Comparison with available data.
doi: 10.1016/j.nima.2018.05.015
2018AV01 Phys.Rev. C 97, 014313 (2018) M.L.Avila, L.T.Baby, J.Belarge, N.Keeley, K.W.Kemper, E.Koshchiy, A.N.Kuchera, G.V.Rogachev, K.Rusek, D.Santiago-Gonzalez Sub-Coulomb 3He transfer and its use to extract three-particle asymptotic normalization coefficients NUCLEAR REACTIONS 6Li(13C, t)16O, E=7.72 MeV; measured triton spectra, σ(θ) using two ΔE-E counter telescopes at the tandem van de Graaff John D. Fox accelerator laboratory of Florida State University. 16O; deduced levels, J, π, spectroscopic factors and asymptotic normalization coefficients (ANCs) for 16O and 13C+3He overlaps, DWBA analysis of σ(θ) distributions for 0+, 3-, 2+ and 1- states in 16O.
doi: 10.1103/PhysRevC.97.014313
2018CH36 Phys.Rev. C 98, 014325 (2018) J.Chen, C.R.Hoffman, T.Ahn, K.Auranen, M.L.Avila, B.B.Back, D.W.Bardayan, D.Blankstein, P.Copp, D.Gorelov, B.P.Kay, S.A.Kuvin, J.P.Lai, D.G.McNeel, P.D.O'Malley, A.M.Rogers, D.Santiago-Gonzalez, J.P.Schiffer, J.Sethi, R.Talwar, J.R.Winkelbauer Experimental study of the effective nucleon-nucleon interaction using the 21F(d, p)22F reaction NUCLEAR REACTIONS 2H(21F, p), E=10 MeV/nucleon, [21F secondary beam from 9Be(22Ne, 21F), E=11 MeV/nucleon primary reaction using ATLAS-ANL facility]; measured Ep, Ip, 22Fe recoils, (22F)p-coin, and σ(θ) using HELIcal Orbit Spectrometer (HELIOS). 22F; deduced levels, J, π, spectroscopic factors and strengths, energy centroids and diagonal particle-hole two-body matrix elements (TBMEs) as function of angular momentum, N=14, 16 shell gaps. Distorted wave Born approximation (DWBA) method for theoretical σ(θ) calculations. Comparison with theoretical spectroscopic strengths by shell-model calculation using the USDA and USDB interactions.
doi: 10.1103/PhysRevC.98.014325
2018JI01 Phys.Rev. C 97, 012801 (2018) C.L.Jiang, D.Santiago-Gonzalez, S.Almaraz-Calderon, K.E.Rehm, B.B.Back, K.Auranen, M.L.Avila, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, C.Dickerson, B.DiGiovine, J.P.Greene, C.R.Hoffman, R.V.F.Janssens, B.P.Kay, S.A.Kuvin, T.Lauritsen, R.C.Pardo, J.Sethi, D.Seweryniak, R.Talwar, C.Ugalde, S.Zhu, D.Bourgin, S.Courtin, F.Haas, M.Heine, G.Fruet, D.Montanari, D.G.Jenkins, L.Morris, A.Lefebvre-Schuhl, M.Alcorta, X.Fang, X.D.Tang, B.Bucher, C.M.Deibel, S.T.Marley Reaction rate for carbon burning in massive stars NUCLEAR REACTIONS 12C(12C, p)23Na, (12C, α)20Ne, E=5.5-10 MeV; measured Eγ, Iγ, (particle)γ-coin, σ(E) using Gammasphere array and an array of three annular double-sided silicon strip detectors at the ATLAS-ANL facility; deduced S factors and astrophysical reaction rates. Comparison with previous measurements, and with data from other reactions. Relevance to carbon burning is a critical phase for nucleosynthesis in massive stars.
doi: 10.1103/PhysRevC.97.012801
2018SA13 Phys.Rev.Lett. 120, 122503 (2018) D.Santiago-Gonzalez, K.Auranen, M.L.Avila, A.D.Ayangeakaa, B.B.Back, S.Bottoni, M.P.Carpenter, J.Chen, C.M.Deibel, A.A.Hood, C.R.Hoffman, R.V.F.Janssens, C.L.Jiang, B.P.Kay, S.A.Kuvin, A.Lauer, J.P.Schiffer, J.Sethi, R.Talwar, I.Wiedenhover, J.Winkelbauer, S.Zhu Probing the Single-Particle Character of Rotational States in 19F Using a Short-Lived Isomeric Beam NUCLEAR REACTIONS 2H(18F, p), E=14 MeV/nucleon; measured reaction products, Ep, Ip. 19F; deduced energy levels, J, π, relative spectroscopic factors, rotational band. Comparison with shell-model calculations.
doi: 10.1103/PhysRevLett.120.122503
2018TA12 Phys.Rev. C 97, 055801 (2018) R.Talwar, M.J.Bojazi, P.Mohr, K.Auranen, M.L.Avila, A.D.Ayangeakaa, J.Harker, C.R.Hoffman, C.L.Jiang, S.A.Kuvin, B.S.Meyer, K.E.Rehm, D.Santiago-Gonzalez, J.Sethi, C.Ugalde, J.R.Winkelbauer Experimental study of 38Ar + α reaction cross sections relevant to the 41Ca abundance in the solar system NUCLEAR REACTIONS 4He(38Ar, p), (38Ar, n), (38Ar, α'), E=133 MeV; measured energies and yields of reaction products, energy- and angle integrated σ(E) using multisampling ionization chamber (MUSIC) detector at the ATLAS-ANL facility. Comparison with previous experimental values, and with statistical model calculations using TALYS code. 41K(p, α)38Ar, 41Ca(n, α)38Ar, T=0.1-10.0 GK; deduced astrophysical reaction rates, and compared with statistical model calculations, and with REACLIB fits. Discussed relevance to 41Ca abundance in the solar system.
doi: 10.1103/PhysRevC.97.055801
2018TE04 Phys.Rev.Lett. 121, 112701 (2018) M.Tessler, M.Paul, S.Halfon, B.S.Meyer, R.Pardo, R.Purtschert, K.E.Rehm, R.Scott, M.Weigand, L.Weissman, S.Almaraz-Calderon, M.L.Avila, D.Baggenstos, P.Collon, N.Hazenshprung, Y.Kashiv, D.Kijel, A.Kreisel, R.Reifarth, D.Santiago-Gonzalez, A.Shor, I.Silverman, R.Talwar, D.Veltum, R.Vondrasek Stellar 36, 38Ar(n, γ)37, 39Ar Reactions and Their Effect on Light Neutron-Rich Nuclide Synthesis NUCLEAR REACTIONS 36,38Ar(n, γ), E ∼ 30 keV; measured reaction products, Eβ, Iβ; deduced thermal σ, Maxwellian average cross sections (MACS). Comparison with available data.
doi: 10.1103/PhysRevLett.121.112701
2017AL29 Phys.Rev.Lett. 119, 072701 (2017) S.Almaraz-Calderon, K.E.Rehm, N.Gerken, M.L.Avila, B.P.Kay, R.Talwar, A.D.Ayangeakaa, S.Bottoni, A.A.Chen, C.M.Deibel, C.Dickerson, K.Hanselman, C.R.Hoffman, C.L.Jiang, S.A.Kuvin, O.Nusair, R.C.Pardo, D.Santiago-Gonzalez, J.Sethi, C.Ugalde Study of the 26Alm(d, p)27Al Reaction and the Influence of the 26Al 0+ Isomer on the Destruction of 26Al in the Galaxy NUCLEAR REACTIONS C, 2H(26Al, p), E=120 MeV; measured reaction products, Eγ, Iγ. 26Al; deduced σ(θ), reaction rates. Comparison with available data, DWBA calculations.
doi: 10.1103/PhysRevLett.119.072701
2017AV03 Nucl.Instrum.Methods Phys.Res. A859, 63 (2017) M.L.Avila, K.E.Rehm, S.Almaraz-Calderon, A.D.Ayangeakaa, C.Dickerson, C.R.Hoffman, C.L.Jiang, B.P.Kay, J.Lai, O.Nusair, R.C.Pardo, D.Santiago-Gonzalez, R.Talwar, C.Ugalde Study of (α, p) and (α, n) reactions with a Multi-Sampling Ionization Chamber NUCLEAR REACTIONS 4He(17O, n), (17O, α'), E=34.8 MeV; 4He(23Na, α), (23Na, p), E=51.5, 57.4 MeV; measured reaction products, Eα, Iα, Ep, Ip; deduced σ. Comparison with available data.
doi: 10.1016/j.nima.2017.03.060
2017KO31 Nucl.Instrum.Methods Phys.Res. A870, 1 (2017) E.Koshchiy, J.C.Blackmon, G.V.Rogachev, I.Wiedenhover, L.Baby, P.Barber, D.W.Bardayan, J.Belarge, D.Caussyn, E.D.Johnson, K.Kemper, A.N.Kuchera, L.E.Linhardt, K.T.Macon, M.Matos, B.S.Rasco, D.Santiago-Gonzalez ANASEN: The array for nuclear astrophysics and structure with exotic nuclei NUCLEAR REACTIONS 4He(6He, 6He), E=7-29 MeV; 4He(14N, p), E=35.6 MeV; measured reaction products, Eα, Iα; deduced σ(θ).
doi: 10.1016/j.nima.2017.07.030
2017KU24 Phys.Rev. C 96, 041301 (2017) S.A.Kuvin, A.H.Wuosmaa, C.J.Lister, M.L.Avila, C.R.Hoffman, B.P.Kay, D.G.McNeel, C.Morse, E.A.McCutchan, D.Santiago-Gonzalez, J.R.Winkelbauer α decay of the T = 1, 2+ state in 10B and isospin symmetry breaking in the A = 10 triplet NUCLEAR REACTIONS 1H(10B, 10B'), E=10 MeV/nucleon; measured Ep, Ip, ΔE-E particle-identification spectra for α, 6Li and 10B particles, p(10Be)-, pα(6Li)-coin, angular distributions of the 1740-, 2154- and 3587-keV states for protons and for p(10B) coincidences, α-decay branching ratio of the 5164-keV state in 10B using HELIOS spectrometer at ATLAS-ANL facility. 10B; deduced levels, partial Γα and Γγ, B(E2) for the 5164-keV state. Comparison with B(E2) for 10Be and 10C, previous experimental results, and with ab initio Green's function Monte Carlo (GFMC) calculations using realistic three-nucleon Hamiltonians.
doi: 10.1103/PhysRevC.96.041301
2017PA02 Phys.Rev.Lett. 118, 052501 (2017) J.J.Parker, IV, I.Wiedenhover, P.D.Cottle, J.Baker, D.McPherson, M.A.Riley, D.Santiago-Gonzalez, A.Volya, V.M.Bader, T.Baugher, D.Bazin, A.Gade, T.Ginter, H.Iwasaki, C.Loelius, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, K.Whitmore, D.Weisshaar, A.Lemasson, H.L.Crawford, A.O.Macchiavelli, K.Wimmer Isomeric Character of the Lowest Observed 4+ State in 44S NUCLEAR REACTIONS Be(46Ar, 2p)44S, E=99 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2). Plunger apparatus at GRETINA.
doi: 10.1103/PhysRevLett.118.052501
2016AV06 Phys.Rev. C 94, 065804 (2016) M.L.Avila, K.E.Rehm, S.Almaraz-Calderon, A.D.Ayangeakaa, C.Dickerson, C.R.Hoffman, C.L.Jiang, B.P.Kay, J.Lai, O.Nusair, R.C.Pardo, D.Santiago-Gonzalez, R.Talwar, C.Ugalde Experimental study of the astrophysically important 23Na(α, p)26Mg and 23Na(α, n)26Al reactions NUCLEAR REACTIONS 4He(23Na, p), (23Na, n), E=51.5, 57.4 MeV; measured particle spectra, and cross section using multisampling ionization chamber (MUSIC) detector at ATLAS-ANL facility. Comparison with previous measurements, NACRE compilation, and with statistical-model calculations. Technique to measure simultaneously excitation functions of angle- and excitation energy-integrated cross sections of (α, p) and (α, n) reactions. Relevance to 26Al production in massive stars.
doi: 10.1103/PhysRevC.94.065804
2016MU06 Phys.Rev. C 93, 065803 (2016) M.Munch, M.Alcorta, H.O.U.Fynbo, M.Albers, S.Almaraz-Calderon, M.L.Avila, A.D.Ayangeakaa, B.B.Back, P.F.Bertone, P.F.F.Carnelli, M.P.Carpenter, C.J.Chiara, J.A.Clark, B.DiGiovine, J.P.Greene, J.L.Harker, C.R.Hoffman, N.J.Hubbard, C.L.Jiang, O.S.Kirsebom, T.Lauritsen, K.L.Laursen, S.T.Marley, C.Nair, O.Nusair, D.Santiago-Gonzalez, J.Sethi, D.Seweryniak, R.Talwar, C.Ugalde, S.Zhu Independent measurement of the Hoyle state β feeding from 12B using Gammasphere RADIOACTIVITY 12B(β-)[from 2H(11B, p), E=40 MeV from ATLAS-ANL facility]; measured Eγ, Iγ, γγ-coin, γγ(θ) for the Hoyle state using Gammasphere array. 12C; deduced first excited 2+ and 0+ levels, β branching ratio to the Hoyle state in 12C, logft, indication of higher clustering for the Hoyle state as compared to previous results. Comparison with theoretical calculations using antisymmetrized molecular dynamics (AMD), and with previous experimental results.
doi: 10.1103/PhysRevC.93.065803
2015AV01 Phys.Rev.Lett. 114, 071101 (2015) M.L.Avila, G.V.Rogachev, E.Koshchiy, L.T.Baby, J.Belarge, K.W.Kemper, A.N.Kuchera, A.M.Mukhamedzhanov, D.Santiago-Gonzalez, E.Uberseder Constraining the 6.05 MeV 0+ and 6.13 MeV 3- Cascade Transitions in the 12C(α, γ)16O Reaction Using the Asymptotic Normalization Coefficients NUCLEAR REACTIONS 6Li(12C, d), E=5, 7, 9 MeV; measured reaction products; deduced σ(θ), J, π, asymptotic normalization coefficients. Comparison with available data, DWBA calculations.
doi: 10.1103/PhysRevLett.114.071101
2015AV02 Phys.Rev. C 91, 048801 (2015) M.L.Avila, G.V.Rogachev, E.Koshchiy, L.T.Baby, J.Belarge, K.W.Kemper, A.N.Kuchera, D.Santiago-Gonzalez New measurement of the α asymptotic normalization coefficient of the 1/2+ state in 17O at 6.356 MeV that dominates the 13C(α, n)16O reaction rate at temperatures relevant for the s process NUCLEAR REACTIONS 6Li(13C, d)17O, E=8 MeV; measured deuteron spectra, σ(θ) using ΔE-E telescopes at FSU Tandem accelerator facility. 17O; deduced levels, squared Coulomb-modified asymptotic normalization coefficient (ANC) and spectroscopic factor Sα for 1/2+ state at 6.356 MeV. Relevance to astrophysical s process and reaction rate for the 13C(α, n)16O at T<100 MK.
doi: 10.1103/PhysRevC.91.048801
2015JI05 Phys.Rev. C 91, 044602 (2015) C.L.Jiang, A.M.Stefanini, H.Esbensen, K.E.Rehm, S.Almaraz-Calderon, M.L.Avila, B.B.Back, D.Bourgin, L.Corradi, S.Courtin, E.Fioretto, F.Galtarossa, A.Goasduff, F.Haas, M.M.Mazzocco, D.Montanari, G.Montagnoli, T.Mijatovic, R.Sagaidak, D.Santiago-Gonzalez, F.Scarlassara, E.E.Strano, S.Szilner Fusion reactions of 58, 64Ni+124Sn NUCLEAR REACTIONS 124Sn(58Ni, X), (64Ni, X), E(cm)=140-165 MeV; measured evaporation residue spectra, fusion σ(E), σ(θ). Coupled-channels calculations to study reaction mechanism. Discussed role of transfer reactions in heavy system, and S-factor maximum. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.91.044602
2014AV05 Phys.Rev. C 90, 042801 (2014) M.L.Avila, G.V.Rogachev, E.Koshchiy, L.T.Baby, J.Belarge, K.W.Kemper, A.N.Kuchera, D.Santiago-Gonzalez α-cluster asymptotic normalization coefficients for nuclear astrophysics NUCLEAR REACTIONS 6Li(16O, d)20Ne, E=12.75 MeV; measured deuteron spectra, ΔE-E plot, σ(θ) for 1- state at 5.79 MeV at FSU's Tandem accelerator facility. 20Ne; deduced levels, α width as a function of binding energy of 1- state at 5.79 MeV, asymptotic normalization coefficients (ANCs). DWBA analysis of σ(θ) data. Comparison with known α width. Relevance to astrophysically important reaction rates.
doi: 10.1103/PhysRevC.90.042801
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
2013KA14 Acta Phys.Pol. B44, 349 (2013) B.P.Kay, M.Alcorta, B.B.Back, S.Bedoor, P.F.Bertone, S.I.Baker, J.A.Clark, C.M.Deibel, B.J.DiGiovine, S.J.Freeman, C.R.Hoffman, H.Y.Lee, J.C.Lighthall, A.Macchiavelli, S.T.Marley, P.Muller, R.Pardo, K.E.Rehm, A.Rojas, A.M.Rogers, J.Rohrer, D.Santiago-Gonzalez, J.P.Schiffer, D.K.Sharp, D.V.Shetty, J.S.Thomas, I.Wiedenhover, A.H.Wuosmaa Transfer Reactions and the Structure of Neutron-rich Nuclei
doi: 10.5506/APhysPolB.44.349
2012DI04 Phys.Rev. C 85, 034311 (2012) E.S.Diffenderfer, L.T.Baby, D.Santiago-Gonzalez, N.Ahsan, A.Rojas, A.Volya, I.Wiedenhover, A.H.Wuosmaa, M.P.Carpenter, R.V.F.Janssens, C.J.Lister, M.Devlin, D.G.Sarantites, L.G.Sobotka, Y.Utsuno, M.Horoi High-spin spectrum of 24Mg studied through multiparticle angular correlations NUCLEAR REACTIONS 12C(16O, α)24Mg, E=62, 68 MeV; measured Eα, Iα, αγ-coin, αγ(θ), αγγ(θ) using Gammasphere array. Experiments carried out at ANL and FSU facilities. 24Mg; deduced levels, J, π, configurations. Comparison with previous studies and shell model calculations.
doi: 10.1103/PhysRevC.85.034311
2012HO11 Phys.Rev. C 85, 054318 (2012) C.R.Hoffman, B.B.Back, B.P.Kay, J.P.Schiffer, M.Alcorta, S.I.Baker, S.Bedoor, P.F.Bertone, J.A.Clark, C.M.Deibel, B.DiGiovine, S.J.Freeman, J.P.Greene, J.C.Lighthall, S.T.Marley, R.C.Pardo, K.E.Rehm, A.Rojas, D.Santiago-Gonzalez, D.K.Sharp, D.V.Shetty, J.S.Thomas, I.Wiedenhover, A.H.Wuosmaa Experimental study of the 19O(d, p)20O reaction in inverse kinematics NUCLEAR REACTIONS 2H(19O, p), [19O secondary beam from 2H(18O, 19O), E=8.06 MeV/nucleon primary reaction], E=6.61 MeV/nucleon; measured E(p), I(p), 19,20O spectra, (recoils)p-coin, energy loss, cross sections, proton yields, σ(θ) using HELIOS spectrometer at Atlas facility. 20O; deduced levels, L-transfers, J, π, spectroscopic factors, T=1 diagonal two-body matrix elements. DWBA analysis. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.85.054318
2012LI60 J.Phys.:Conf.Ser. 403, 012036 (2012) L.E.Linhardt, L.Baby, D.W.Bardayan, J.C.Blackmon, H.Gardiner, E.Johnson, E.Koschiy, M.T.Macon, M.Matos, B.C.Rasco, G.Rogachev, D.Santiago-Gonzalez, I.Wiedenhoever Measurement of 17F + p reactions with ANASEN NUCLEAR REACTIONS 1H(17O, α), E(cm)=1.8-3 MeV; 1H(17F, α), (17F, p), E=55 MeV; measured reaction products, Ep, Ip, Eα, Iα. 14N, 14O, 17F; deduced yields, resonances. R-matrix fit. The Array for Nuclear Astrophysics Studies with Exotic Nuclei (ANASEN), RESOLUT facility at FSU.
doi: 10.1088/1742-6596/403/1/012036
2011SA25 Phys.Rev. C 83, 061305 (2011) D.Santiago-Gonzalez, I.Wiedenhover, V.Abramkina, M.L.Avila, T.Baugher, D.Bazin, B.A.Brown, P.D.Cottle, A.Gade, T.Glasmacher, K.W.Kemper, S.McDaniel, A.Rojas, A.Ratkiewicz, R.Meharchand, E.C.Simpson, J.A.Tostevin, A.Volya, D.Weisshaar Triple configuration coexistence in 44S NUCLEAR REACTIONS 9Be(46Ar, 2p), [46Ar secondary beam produced in Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=99.9 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin using SeGA array, cross sections. 44S; deduced levels, J, π, longitudinal momentum distributions, and configurations. Two-proton knockout reaction. Comparison with shell-model calculations using the SDPF-U interaction.
doi: 10.1103/PhysRevC.83.061305
Back to query form |