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NSR database version of April 11, 2024.

Search: Author = D.Santiago-Gonzalez

Found 38 matches.

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


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2747.


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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2768.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2772. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2454. Data from this article have been entered in the XUNDL database. For more information, click here.


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


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2438. Data from this article have been entered in the XUNDL database. For more information, click here.


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


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


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
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2289. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2353. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2288.


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


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2302.


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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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2013HO21      Phys.Rev. C 88, 044317 (2013)

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

Single-neutron excitations in 18N

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

doi: 10.1103/PhysRevC.88.044317
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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
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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
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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
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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
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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
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