NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = A.S.Adekola Found 15 matches. 2019AH05 Phys.Rev. C 100, 044613 (2019) S.Ahn, D.W.Bardayan, K.L.Jones, A.S.Adekola, G.Arbanas, J.C.Blackmon, K.Y.Chae, K.A.Chipps, J.A.Cizewski, S.Hardy, M.E.Howard, R.L.Kozub, B.Manning, M.Matos, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, B.C.Rasco, M.S.Smith, I.Spassova Direct neutron capture cross section on 80Ge and probing shape coexistence in neutron-rich nuclei NUCLEAR REACTIONS 2H(80Ge, p), (80Ge, d), E=310 MeV; measured energies and angles of light-ion ejectiles, Ep, Ip, E(d), I(d), (80Ge)p- and (80Ge)d-coin, angular distributions of ejected proton using various silicon detectors at the Holifield Radioactive Ion Beam Facility at ORNL. Proton angular distributions analyzed using adiabatic wave approximation including finite range effects (ADWAFR) using FRESCO code, and by DWBA. 81Ge; deduced levels, J, π, spectroscopic factors, configurations, region of shape coexistence around N≈50. Systematics of low-lying levels in N=49 isotones 81Ge, 83Se, 85Kr and 87Sr. Discussed implications for the magic nature of 78Ni. 80Ge(n, γ), E=0.01-3 MeV; calculated σ(E) for r-process simulations using direct-semidirect (DSD) model and the CUPIDO code.
doi: 10.1103/PhysRevC.100.044613
2013RU01 Phys.Rev.Lett. 110, 022503 (2013) G.Rusev, N.Tsoneva, F.Donau, S.Frauendorf, R.Schwengner, A.P.Tonchev, A.S.Adekola, S.L.Hammond, J.H.Kelley, E.Kwan, H.Lenske, W.Tornow, A.Wagner Fine Structure of the Giant M1 Resonance in 90Zr NUCLEAR REACTIONS 90Zr(γ, γ'), E=7-11 MeV; measured reaction products, Eγ, Iγ; deduced dipole excitations, 1+ states, fine structure of the giant M1 resonance, B(M1). Comparison with three-phonon QPM calculations.
doi: 10.1103/PhysRevLett.110.022503
2012AD05 Phys.Rev. C 85, 037601 (2012) A.S.Adekola, C.R.Brune, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, J.A.Cizewski, K.L.Jones, R.L.Kozub, T.N.Massey, C.D.Nesaraja, S.D.Pain, J.F.Shriner, M.S.Smith, J.S.Thomas 19Ne levels studied with the 18F(d, n)19Ne*(18F+p) reaction NUCLEAR REACTIONS 2H(18F, n), E=150 MeV; measured α and proton spectra from 19Ne breakup, p(18F)-, α(15O)-coin, angular distributions. 19Ne; deduced resonances, levels, proton widths, α widths, spectroscopic factors, decay branching ratios. DWBA analysis. Comparison with earlier studies. Relevance to destruction of long-lived 18F in novae.
doi: 10.1103/PhysRevC.85.037601
2012HA12 Phys.Rev. C 85, 044302 (2012) S.L.Hammond, A.S.Adekola, C.T.Angell, H.J.Karwowski, E.Kwan, G.Rusev, A.P.Tonchev, W.Tornow, C.R.Howell, J.H.Kelley Dipole response of 238U to polarized photons below the neutron separation energy NUCLEAR REACTIONS 238U(polarized γ, γ'), E=2.0-6.2 MeV; measured Eγ, Iγ, γ(θ), γ(linear pol), integrated cross sections using HIγS facility at TUNL. 238U; deduced levels, J, π, multipolarity, widths, branching ratios, B(M1), B(E1), total γ-ray interaction cross section for E1. Systematics of E1 and M1 strengths for 232Th, 236,238U. Comparison with QRPA calculations.
doi: 10.1103/PhysRevC.85.044302
2012KO36 Phys.Rev.Lett. 109, 172501 (2012) R.L.Kozub, G.Arbanas, A.S.Adekola, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, K.A.Chipps, J.A.Cizewski, L.Erikson, R.Hatarik, W.R.Hix, K.L.Jones, W.Krolas, J.F.Liang, Z.Ma, C.Matei, B.H.Moazen, C.D.Nesaraja, S.D.Pain, D.Shapira, J.F.Shriner, Jr., M.S.Smith, T.P.Swan Neutron Single Particle Structure in 131Sn and Direct Neutron Capture Cross Sections NUCLEAR REACTIONS 2H(130Sn, p), E=630 MeV; 130Sn(n, γ), E<5 MeV;measured reaction products, Ep, Ip; deduced σ(θ), energy levels, J, π, properties of single-particle states, direct-semidirect σ. Comparison with available data.
doi: 10.1103/PhysRevLett.109.172501
2011AD02 Phys.Rev. C 83, 034615 (2011) A.S.Adekola, C.T.Angell, S.L.Hammond, A.Hill, C.R.Howell, H.J.Karwowski, J.H.Kelley, E.Kwan Discovery of low-lying E1 and M1 strengths in 232Th NUCLEAR REACTIONS 232Th(γ, γ'), E=2-4 MeV; measured Eγ, Iγ, γγ(θ), integrated σ using HIγS facility; deduced widths. 232Th; deduced levels, J, π, multipolarity, B(M1), B(E1), branching ratios. Comparison of scissors mode summed B(M1) strengths with those in 232Th, 235,236,238U, and with predictions of quasiparticle random-phase approximation (QRPA).
doi: 10.1103/PhysRevC.83.034615
2011AD05 Phys.Rev. C 83, 052801 (2011) A.S.Adekola, D.W.Bardayan, J.C.Blackmon, C.R.Brune, K.Y.Chae, C.Domizioli, U.Greife, Z.Heinen, M.J.Hornish, K.L.Jones, R.L.Kozub, R.J.Livesay, Z.Ma, T.N.Massey, B.Moazen, C.D.Nesaraja, S.D.Pain, J.F.Shriner Jr, N.D.Smith, M.S.Smith, J.S.Thomas, D.W.Visser, A.V.Voinov First proton-transfer study of 18F + p resonances relevant for novae NUCLEAR REACTIONS 2H(18F, n), E=150 MeV; measured α- and 15O-particle spectra. α(15O)-coin, σ(θ), DWBA analysis. 19Ne; deduced levels, J, π, L-transfers, resonances, proton and α-widths. 19Ne-19F mirror symmetry. 18F(p, α)15O; deduced reaction rates. Relevance to nova nucleosynthesis of 18F.
doi: 10.1103/PhysRevC.83.052801
2011AD24 Phys.Rev. C 84, 054611 (2011) A.S.Adekola, C.R.Brune, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, C.Domizioli, U.Greife, Z.Heinen, M.J.Hornish, K.L.Jones, R.L.Kozub, R.J.Livesay, Z.Ma, T.N.Massey, B.Moazen, C.D.Nesaraja, S.D.Pain, J.F.Shriner, Jr., N.D.Smith, M.S.Smith, J.S.Thomas, D.W.Visser, A.V.Voinov Single-nucleon transfer reactions on 18F NUCLEAR REACTIONS 2H(18F, n)19Ne, (18F, p)19F, [secondary 18F beam from 16O(α, np)18F, E=85 MeV primary reaction], E=150 MeV; measured particle spectra, (15O)α-, (15N)α-coin, σ(θ), proton. 19F, 19Ne; deduced levels, J, π, l-values, spectroscopic factors, proton widths, asymptotic normalization coefficients, isospin mirror levels. DWBA analysis of σ(θ) data. Monte-Carlo simulations. Comparison with previous studies.
doi: 10.1103/PhysRevC.84.054611
2011JO08 Phys.Rev. C 84, 034601 (2011) K.L.Jones, F.M.Nunes, A.S.Adekola, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, K.A.Chipps, J.A.Cizewski, L.Erikson, C.Harlin, R.Hatarik, R.Kapler, R.L.Kozub, J.F.Liang, R.Livesay, Z.Ma, B.Moazen, C.D.Nesaraja, S.D.Pain, N.P.Patterson, D.Shapira, J.F.Shriner Jr, M.S.Smith, T.P.Swan, J.S.Thomas Direct reaction measurements with a 132Sn radioactive ion beam NUCLEAR REACTIONS 2H(132Sn, p), (132Sn, d), E=630 MeV; measured Ep, Ip, Ed, Id, elastic σ, σ(θ), DWBA analysis. 133Sn; deduced levels, J, π, l values, spectroscopic factors, configurations, asymptotic normalization coefficients. 132Sn; deduced ground-state configuration and structure. Level systematics of N=83 nuclei 133Sn, 135Te, 137Xe, 139Ba, 141Ce, 143Nd and 145Sm.
doi: 10.1103/PhysRevC.84.034601
2011KW01 Phys.Rev. C 83, 041601 (2011) E.Kwan, G.Rusev, A.S.Adekola, F.Donau, S.L.Hammond, C.R.Howell, H.J.Karwowski, J.H.Kelley, R.S.Pedroni, R.Raut, A.P.Tonchev, W.Tornow Discrete deexcitations in 235U below 3 MeV from nuclear resonance fluorescence NUCLEAR REACTIONS 235U(γ, γ'), E=1.6-3.0 MeV; measured Eγ, Iγ, γγ-coin, integrated cross sections, and widths using HIγS facility. 235U; deduced levels, J, π, branching ratios. Comparison with quasiparticle random-phase approximation in deformed basis for dipole transitions.
doi: 10.1103/PhysRevC.83.041601
2011OM01 Phys.Rev. C 84, 042801 (2011) P.D.O'Malley, D.W.Bardayan, A.S.Adekola, S.Ahn, K.Y.Chae, J.A.Cizewski, S.Graves, M.E.Howard, K.L.Jones, R.L.Kozub, L.Lindhardt, M.Matos, B.M.Moazen, C.D.Nesaraja, S.D.Pain, W.A.Peters, S.T.Pittman, K.T.Schmitt, J.F.Shriner, Jr., M.S.Smith, I.Spassova, S.Y.Strauss, J.L.Wheeler Search for a resonant enhancement of the 7Be + d reaction and primordial 7Li abundances NUCLEAR REACTIONS 2H(7Be, d), E=10 MeV; measured E(d), I(d), energy loss, differential cross section; search for 5/2+ resonance in 7Be+d system proved negative, R-matrix analysis, deduced upper limit for resonance width. Relevance to cosmological 7Li abundance.
doi: 10.1103/PhysRevC.84.042801
2011RU15 J.Phys.:Conf.Ser. 312, 092053 (2011) G.Rusev, A.S.Adekola, F.Donau, S.Frauendorf, S.L.Hammond, C.Huibregtse, J.H.Kelley, E.Kwan, R.Schwengner, A.P.Tonchev, W.Tornow, A.Wagner Fine structure of the giant M1 resonance in 90Zr NUCLEAR REACTIONS 90Zr(polarized γ, γ'), E=7-11 MeV; measured Eγ, Iγ(θ) using HPGe; deduced B(M1) fine structure; calculated B(M1) fine structure using shell model and QRPA.
doi: 10.1088/1742-6596/312/9/092053
2010JO03 Nature(London) 465, 454 (2010) K.L.Jones, A.S.Adekola, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, K.A.Chipps, J.A.Cizewski, L.Erikson, C.Harlin, R.Hatarik, R.Kapler, R.L.Kozub, J.F.Liang, R.Livesay, Z.Ma, B.H.Moazen, C.D.Nesaraja, F.M.Nunes, S.D.Pain, N.P.Patterson, D.Shapira, J.F.Shriner Jr, M.S.Smith, T.P.Swan, J.S.Thomas The magic nature of 132Sn explored through the single-particle states of 133Sn NUCLEAR REACTIONS 2H(132Sn, p)133Sn, E=630 MeV; measured Ep, Ip;132Sn; deduced proton σ(θ), Q-value spectrum, properties of single-particle states in 133Sn, magic nature of 132Sn, spectroscopic factors and configurations . DWBA and FRESCO calculations, U(p, F) fission secondary beams.
doi: 10.1038/nature09048
2009OG06 Phys.Rev. C 80, 034305 (2009) B.M.Oginni, S.M.Grimes, A.V.Voinov, A.S.Adekola, C.R.Brune, D.E.Carter, Z.Heinen, D.Jacobs, T.N.Massey, J.E.O'Donnell, A.Schiller Test of level density models from reactions of 6Li on 58Fe and 7Li on 57Fe NUCLEAR REACTIONS 58Fe(6Li, X), E=15 MeV; 57Fe(7Li, X), E=15 MeV; measured particle spectra, σ, angular distributions; deduced optical model parameters. 60Co, 63Ni; deduced level densities. Comparison with Hauser-Feshbach model calculations.
doi: 10.1103/PhysRevC.80.034305
2007JO09 Acta Phys.Pol. B38, 1205 (2007) K.L.Jones, A.S.Adekola, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, K.Chipps, J.A.Cizewski, D.J.Dean, L.Erikson, R.P.Fitzgerald, A.L.Gaddis, U.Greife, C.Harlin, R.Hatarik, J.A.Howard, M.S.Johnson, R.L.Kozub, J.F.Liang, R.J.Livesay, Z.Ma, B.H.Moazen, P.D.O'Malley, C.D.Nesaraja, S.D.Pain, N.P.Patterson, S.V.Paulauskas, D.Shapira, J.F.Shriner Jr, D.J.Sissom, M.S.Smith, T.P.Swan, J.S.Thomas Single Neutron Transfer Experiments Close to the r-Process Path NUCLEAR REACTIONS 2H(82Ge, p), E=4 MeV/nucleon; 2H(84Se, p), E=4.5 MeV/nucleon; 2H(132Sn, p), E=4.77 MeV/nucleon; measured Ep and angular distributions. 83Ge, 85Se, 133Sn deduced levels, J, π and spectroscopic factors. Compared results to model calculations.
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