NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = M.Avila Found 39 matches. 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
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
2022HO08 Nucl.Instrum.Methods Phys.Res. A1032, 166612 (2022) C.R.Hoffman, T.L.Tang, M.Avila, Y.Ayyad, K.W.Brown, J.Chen, K.A.Chipps, H.Jayatissa, B.P.Kay, C.Muller-Gatermann, H.J.Ong, J.Song, G.L.Wilson In-flight production of an isomeric beam of 16N NUCLEAR REACTIONS 2H(15N, p)16N, E=8.1, 13.5 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced isomer fraction. Argonne Tandem Linear Accelerator System (ATLAS) in-flight system.
doi: 10.1016/j.nima.2022.166612
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
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
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
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
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
2018MO28 Phys.Rev. C 98, 045805 (2018) Cross sections of α-induced reactions slightly below doubly magic 40Ca from the statistical model NUCLEAR REACTIONS 38Ar(α, n), (α, p), (α, α)E=5-15 MeV; analyzed σ(E) experimental data with and without width fluctuation correction factor (WFCF), and with different α-nucleus optical model potentials (A-OMPs) within the statistical model using the TALYS code; deduced best fit parameters. 36,40Ar(α, p), (α, n), (α, α), 38Ca(α, p), (α, 2p), E=5-15 MeV; predicted total σ(E) and astrophysical reaction rate of 41Sc producing reaction using the best fit parameters.
doi: 10.1103/PhysRevC.98.045805
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
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
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
2014AV04 Phys.Rev. C 90, 024327 (2014) M.L.Avila, G.V.Rogachev, V.Z.Goldberg, E.D.Johnson, K.W.Kemper, Yu.M.Tchuvil'sky, A.S.Volya α-cluster structure of 18O NUCLEAR REACTIONS 4He(14C, α), E=14.9 MeV; measured Eα, Iα, differential σ(E), partial α- and neutron-decay widths at FSU Superconducting linear accelerator facility. 18O; deduced levels, resonances, J, π, widths, reduced α widths. Multilevel, multichannel R-matrix analysis. Discussed rotational bands, and α-cluster structure with reference to those in 16O and 20Ne. Comparison with cluster-nucleon configuration interaction model calculations, and with earlier experimental results.
doi: 10.1103/PhysRevC.90.024327
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
2012GO11 J.Phys.:Conf.Ser. 337, 012008 (2012) V.Z.Goldberg, B.T.Roeder, G.V.Rogachev, G.G.Chubarian, E.D.Johnson, C.Fu, A.A.Alharbi, M.L.Avila, A.Banu, M.McCleskey, J.P.Mitchell, E.Simmons, G.Tabacaru, L.Trache, R.E.Tribble Resonance Scattering to Study Exotic Nuclei at the Limits of Stability NUCLEAR REACTIONS 1H(13O, 13O), E≈11 MeV/nucleon;measured thick target charged reaction products. 14F deduced levels, widths, J, π, σ(θ); calculated 14F resonance levels, widths, J, π, σ(θ) using R-matrix, 14F levels, J, π using shell model and ab initio calculations. 1H(8He, 8He), E=cyclotron; calculated, re-analyzed published results considering virtual 2s resonance in 9He.
doi: 10.1088/1742-6596/337/1/012008
2012LA29 Phys.Rev.Lett. 109, 232701 (2012) M.La Cognata, C.Spitaleri, O.Trippella, G.G.Kiss, G.V.Rogachev, A.M.Mukhamedzhanov, M.Avila, G.L.Guardo, E.Koshchiy, A.Kuchera, L.Lamia, S.M.R.Puglia, S.Romano, D.Santiago, R.Sparta Measurement of the -3 keV Resonance in the Reaction 13C(α, n)16O of Importance in the s-Process NUCLEAR REACTIONS 13C(6Li, X)16O, E=7.82 MeV; measured reaction products, deuterons; deduced σ(θ, E), S-factors. Comparison with available data.
doi: 10.1103/PhysRevLett.109.232701
2012RO32 Prog.Theor.Phys.(Kyoto), Suppl. 196, 184 (2012) G.V.Rogachev, M.Avila, S.Cherubini, V.Z.Goldberg, M.Gulino, E.D.Johnson, A.N.Kuchera, M.La Cognata, L.Lamia, S.Romano, L.E.Miller, R.G.Pizzone, G.G.Rapisarda, M.L.Sergi, C.Spitaleri, R.E.Tribble, W.H.Trzaska, A.Tumino Clustering in Non-Self-Conjugate Nuclei NUCLEAR REACTIONS 9Be(p, α), E(cm)=2-5.5 MeV; 4He(14C, X)18O, E(cm)=2-7 MeV; measured reaction products, Eα, Iα; deduced σ(θ), resonance parameters. Comparison with available data, R-matrix fit.
doi: 10.1143/PTPS.196.184
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
2010GO16 Phys.Lett. B 692, 307 (2010) V.Z.Goldberg, B.T.Roeder, G.V.Rogachev, G.G.Chubarian, E.D.Johnson, C.Fu, A.A.Alharbi, M.L.Avila, A.Banu, M.McCleskey, J.P.Mitchell, E.Simmons, G.Tabacaru, L.Trache, R.E.Tribble First observation of 14F NUCLEAR REACTIONS 1H(13O, X)14F, E=31 MeV/nucleon; 1H(14O, 14O), E=154 MeV; measured reaction products, proton spectra; deduced σ(θ), J, π, level scheme, resonances. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2010.07.054
2008SA20 Radiochim.Acta 96, 399 (2008) M.Sadeghi, M.Amiri, P.Roshanfarzad, M.Avila, C.Tenreiro Radiochemical studies relevant to the no-carrier-added production of 61, 64Cu at a cyclotron NUCLEAR REACTIONS Ni(p, n)64Cu, E=15, 16 MeV; measured Eγ, Iγ using chemical separation. 64Cu; deduced yield.
doi: 10.1524/ract.2008.1504
2005MO43 Nucl.Instrum.Methods Phys.Res. B 227, 385 (2005) J.R.Morales, M.A.Chesta, S.A.Cancino, P.A.Miranda, M.I.Dinator, M.J.Avila Application of PIXE in the determination of the production cross section of a radionuclide decaying by electron capture NUCLEAR REACTIONS 63Cu(d, p), E=2.4 MeV; measured products, Eπ, Iπ; deduced σ, σ(E). Data were imported from EXFOR entry D0763.
doi: 10.1016/j.nimb.2004.08.024
1992AV01 Appl.Radiat.Isot. 43, 753 (1992) M.J.Avila, S.D.Raaka, G.Barral, A.C.Mishra, H.Mogaddedi, N.J.Parks Emulsion Scintillation Spectroscopy of Mixed Alpha and Beta Particle Emitters: Radiochemical Assays of 212Pb(10.6 h) and 212Bi(1.01 h) RADIOACTIVITY 212Pb(β-); 212Bi(α), (β-); 208Tl(β-) [from 212Bi(α-decay)]; measured β-spectra, α-, γ-spectra. Conventional liquid scintillator counters, mixed sources, quantitating 212Pb amounts in presence of progeny activities.
doi: 10.1016/0883-2889(92)90238-A
1987LA09 Appl.Radiat.Isot. 38, 151 (1987) M.C.Lagunas-Solar, M.J.Avila, P.C.Johnson Targetry and Radiochemical Methods for the Simultaneous Cyclotron Production of No-Carrier-Added Radiopharmaceutical-Quality 100Pd, 97Ru and 101mRh NUCLEAR REACTIONS, ICPND 103Rh(p, X)100Pd/97Ru/101mRh, E=23.3-67.1 MeV; measured residuals thick target yields vs E. Target dissolution, radiochemical method.
doi: 10.1016/0883-2889(87)90013-X
1984JO04 Int.J.Appl.Radiat.Isotop. 35, 371 (1984) P.C.Johnson, M.C.Lagunas-Solar, M.J.Avila The Indirect Production of No-Carrier-Added 57Co via the 59Co(p, 3n)57Ni → 57Co Reaction NUCLEAR REACTIONS, ICPND 59Co(p, 3n)57Ni/57Co, 59Co(p, 3np), E=10-40 MeV; measured residual, β--decay daughter thick target, cumulative yields vs E, production σ(E), reaction σ(E).
doi: 10.1016/0020-708X(84)90044-9
1984LA23 Int.J.Appl.Radiat.Isotop. 35, 743 (1984) M.C.Lagunas-Solar, M.J.Avila, P.C.Johnson Cyclotron Production of 101mRh via Proton-Induced Reactions on 103Rh Targets NUCLEAR REACTIONS, ICPND 103Rh(p, 2np), (p, nd), (p, t), (p, 3n), (p, 3np), (p, 2nd), (p, nt), (p, 4n), E=15-67 MeV; measured thin target residual yields, 100,101Pd, 101m,101,100Rh production σ(E). Avtivation technique.
doi: 10.1016/0020-708X(84)90080-2
1983LA15 Int.J.Appl.Radiat.Isotop. 34, 915 (1983) M.C.Lagunas-Solar, M.J.Avila, N.J.Navarro, P.C.Johnson Cyclotron Production of No-Carrier-Added 97Ru by Proton Bombardment of 103Rh Targets NUCLEAR REACTIONS, ICPND 103Rh(p, xn), (p, xnyp), (p, xnypzd), (p, xnyd), (p, xnypzt), (p, xnydzt), (p, xnyt), (p, xnyα), (p, 2n5He), (p, n6He)97Ru, E=37.5-67.5 MeV; measured residual nucleus cummulative, thick target yields, σ vs E. Radiochemical methods.
doi: 10.1016/0020-708X(83)90154-0
1982LA23 J.Labelled Compd.Radiopharm. 19, 1436 (1982) M.C.Lagunas-Solar, M.J.Avila, N.J.Navarro, P.C.Johnson Cyclotron Production of Ruthenium-97 (NCA) with 67.5 MeV Protons on Rhodium Targets NUCLEAR REACTIONS, ICPND 103Rh(p, 7n), (p, 6np), (p, 5n2p), (p, 3n2d), (p, 4n3He), (p, 3npt), (p, 2ndt), (p, n2t), (p, 3nα), E=37.8-67.1 MeV; measured residuals thick target, cumulative yields, total σ vs E. Activation technique. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0194. Back to query form Note: The following list of authors and aliases matches the search parameter M.Avila: , M.J.AVILA, M.L.AVILA |