NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = A.Ayres Found 9 matches. 2022JO01 Phys.Rev. C 105, 024602 (2022) K.L.Jones, A.Bey, S.Burcher, J.M.Allmond, A.Galindo-Uribarri, D.C.Radford, S.Ahn, A.Ayres, D.W.Bardayan, J.A.Cizewski, R.F.Garcia Ruiz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.Matos, C.D.Nesaraja, P.D.O'Malley, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, A.Ratkiewicz, K.T.Schmitt, M.S.Smith, D.W.Stracener, R.L.Varner Neutron transfer reactions on the ground state and isomeric state of a 130Sn beam NUCLEAR REACTIONS 9Be, 13C(130Sn, 131Sn), E=520 MeV [secondary 130Sn and 130mSn beams from U(p, F)]; measured reaction products, Eγ, Iγ, Eα, αα-coin, αγ-coin, ααγ-coin. 131Sn; deduced levels, J, π, improved energy values for 1p-2h states. Discussed the probability of one-neutron transfer from the 7- isomeric state in 130Sn. CLARION array of 11 Compton-suppressed HPGe clover detectors combined with BareBall CsI(Tl) array at HRIBF.
doi: 10.1103/PhysRevC.105.024602
2016CE01 Phys.Rev. C 93, 021601 (2016) G.Cerizza, A.Ayres, K.L.Jones, R.Grzywacz, A.Bey, C.Bingham, L.Cartegni, D.Miller, S.Padgett, T.Baugher, D.Bazin, J.S.Berryman, A.Gade, S.McDaniel, A.Ratkiewicz, A.Shore, S.R.Stroberg, D.Weisshaar, K.Wimmer, R.Winkler, S.D.Pain, K.Y.Chae, J.A.Cizewski, M.E.Howard, J.A.Tostevin Structure of 107Sn studied through single-neutron knockout reactions NUCLEAR REACTIONS 9Be(108Sn, 107Sn), (106Sn, 105Sn), E=80 MeV/nucleon, [secondary 106,108Sn beams from 9Be(124Xe, X), E=140 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU]; measured yields of reaction products, Eγ, Iγ, (107Sn)γ-coin, momentum distributions, cross sections using CAESAR array of 192 CsI(Na) crystals for γ rays and particle identification by TOF, ΔE-E measured in the S800 focal-plane ion chamber. 107Sn; deduced levels, J, π. Comparison of experimental momentum distribution with eikonal model reaction calculations for neutron removal. Shell-model calculations of cross sections and spectroscopic factors. 105Sn; see 2015Jo03 (reference 20 in present paper) for experimental results.
doi: 10.1103/PhysRevC.93.021601
2015JO03 Acta Phys.Pol. B46, 537 (2015) K.L.Jones, S.Ahn, J.M.Allmond, A.Ayres, D.W.Bardayan, T.Baugher, D.Bazin, J.S.Berryman, A.Bey, C.Bingham, L.Cartegni, G.Cerizza, K.Y.Chae, J.A.Cizewski, A.Gade, A.Galindo-Uribarri, R.F.Garcia Ruiz, R.Grzywacz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.MatoS, S.McDaniel, D.Miller, C.D.Nesaraja, P.D.O'Malley, S.Padgett, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, D.C.Radford, A.Ratkiewicz, K.T.Schmitt, A.Shore, M.S.Smith, D.W.Stracener, S.R.Stroberg, J.Tostevin, R.L.Varner, D.Weisshaar, K.Wimmer, R.Winkler Recent Direct Reaction Experimental Studies with Radioactive Tin Beams
doi: 10.5506/APhysPolB.46.537
2015LI33 Phys.Rev. C 92, 024319 (2015); Erratum Phys.Rev. C 94, 069904 (2016) S.N.Liddick, W.B.Walters, C.J.Chiara, R.V.F.Janssens, B.Abromeit, A.Ayres, A.Bey, C.R.Bingham, M.P.Carpenter, L.Cartegni, J.Chen, H.L.Crawford, I.G.Darby, R.Grzywacz, J.Harker, C.R.Hoffman, S.Ilyushkin, F.G.Kondev, N.Larson, M.Madurga, D.Miller, S.Padgett, S.V.Paulauskas, M.M.Rajabali, K.Rykaczewski, D.Seweryniak, S.Suchyta, S.Zhu Analogous intruder behavior near Ni, Sn, and Pb isotopes RADIOACTIVITY 69Fe, 69Co, 69Ni(β-)[from 9Be(78Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, (ion)γ- and βγ- correlated events, half-lives of ground states of 69Co, 69Fe, and half-life of an isomer in 69Co, absolute intensities of γ rays from the decay of directly produced 69Co and that from the decay of 69Fe using BCS system and SEGA array at NSCL-MSU facility. 69Cu, 69Co; deduced levels in 69Cu, and isomer in 69Co, J, π, intruder configuration; identified and discussed proton particle-hole intruder states originating from excitations across Z=28. 68Fe, 68Co(β-); observed γ. NUCLEAR REACTIONS 208Pb(70Zn, X)71Cu, E=440 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at ATLAS-ANL facility. 71Cu; deduced high-spin levels, J, π, band; discussed systematics of level structure and proton particle-hole intruder states in 67,69,71Cu.
doi: 10.1103/PhysRevC.92.024319
2014AL07 Phys.Rev.Lett. 112, 172701 (2014) J.M.Allmond, E.S.Stuchbery, J.R.Beene, A.Galindo-Uribarri, J.F.Liang, E.Padilla-Rodal, D.C.Radford, R.L.Varner, A.Ayres, J.C.Batchelder, A.Bey, C.R.Bingham, M.E.Howard, K.L.Jones, B.Manning, P.E.Mueller, C.D.Nesaraja, S.D.Pain, W.A.Peters, A.Ratkiewicz, K.T.Schmitt, D.Shapira, M.S.Smith, N.J.Stone, D.W.Stracener, C.-H.Yu Double-Magic Nature of 132Sn and 208Pb through Lifetime and Cross-Section Measurements NUCLEAR REACTIONS 9Be(132Sn, 8Be), (208Pb, 8Be), E=3 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, σ, level T1/2, B(M1), spectroscopic factors. Comparison with available data, DWBA calculations.
doi: 10.1103/PhysRevLett.112.172701
2014AL14 Phys.Rev. C 90, 014322 (2014) J.M.Allmond, A.E.Stuchbery, B.A.Brown, J.R.Beene, A.Galindo-Uribarri, C.J.Gross, J.F.Liang, E.Padilla-Rodal, D.C.Radford, R.L.Varner, A.Ayres, J.C.Batchelder, A.Bey, C.R.Bingham, M.E.Howard, K.L.Jones, B.Manning, P.E.Mueller, C.D.Nesaraja, S.D.Pain, W.A.Peters, A.Ratkiewicz, K.T.Schmitt, D.Shapira, M.S.Smith, N.J.Stone, D.W.Stracener, C.-H.Yu 2π1ν states populated in 135Te from 9Be-induced reactions with a 132Sn beam NUCLEAR REACTIONS 9Be(132Sn, nα), (132Sn, 2nα), (132Sn, 3nα), E=3 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin using HyBall and CLARION arrays at HRIBF-ORNL facility. 134,135,136Te; deduced levels, J, π. 135Te; deduced σ, spectroscopic factors, DWBA calculations, configurations. Comparison with shell model calculations for 134,135,136Te. NUCLEAR STRUCTURE 134,135,136Te; calculated levels, J, π, wavefunctions, spectroscopic factors using shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.014322
2013LI04 Phys.Rev. C 87, 014325 (2013) S.N.Liddick, B.Abromeit, A.Ayres, A.Bey, C.R.Bingham, B.A.Brown, L.Cartegni, H.L.Crawford, I.G.Darby, R.Grzywacz, S.Ilyushkin, M.Hjorth-Jensen, N.Larson, M.Madurga, D.Miller, S.Padgett, S.V.Paulauskas, M.M.Rajabali, K.Rykaczewski, S.Suchyta Low-energy level schemes of 66, 68Fe and inferred proton and neutron excitations across Z=28 and N=40 RADIOACTIVITY 66,68Mn(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, (Mn ions)γ-, γγ-coin, Eβ, Iβ, T1/2 using the BCS system and SeGA array at NSCL facility. 66,68Fe; deduced levels, J, π, β feedings, logft. 66,68Fe, 68Ni; comparison of experimental levels, J, π with shell-model calculations.
doi: 10.1103/PhysRevC.87.014325
2012LI02 Phys.Rev. C 85, 014328 (2012) S.N.Liddick, B.Abromeit, A.Ayres, A.Bey, C.R.Bingham, M.Bolla, L.Cartegni, H.L.Crawford, I.G.Darby, R.Grzywacz, S.Ilyushkin, N.Larson, M.Madurga, D.Miller, S.Padgett, S.Paulauskas, M.M.Rajabali, K.Rykaczewski, S.Suchyta Low-energy structure of 2766Co39 and 2768Co41 populated through β decay RADIOACTIVITY 66,68Fe(β-)[from 9Be(86Kr, X), E=130 MeV/nucleon]; measured energy loss, time of flight, Iβ, Eγ, Iγ, γγ-, (recoil)γ-coin, half-life. A1900 Fragment separator and SeGA array at NSCL facility. 66,68Co; deduced levels, J, π, multipolarity, logft, spherical and Nilsson model configurations.
doi: 10.1103/PhysRevC.85.014328
2011LI50 Phys.Rev. C 84, 061305 (2011) S.N.Liddick, S.Suchyta, B.Abromeit, A.Ayres, A.Bey, C.R.Bingham, M.Bolla, M.P.Carpenter, L.Cartegni, C.J.Chiara, H.L.Crawford, I.G.Darby, R.Grzywacz, G.Gurdal, S.Ilyushkin, N.Larson, M.Madurga, E.A.McCutchan, D.Miller, S.Padgett, S.V.Paulauskas, J.Pereira, M.M.Rajabali, K.Rykaczewski, S.Vinnikova, W.B.Walters, S.Zhu Shape coexistence along N=40 RADIOACTIVITY 64,66Mn(IT)[from 9Be(76Ge, X), E=140 MeV/nucleon]; 64,66Cr(β-)[from 9Be(86Kr, X), E=130 MeV/nucleon]; measured Eγ, Iγ, (fragment)βγ-, γγ-coin, γ(t), half-lives. 64,66Mn; deduced levels, J, π, beta feedings, log ft, configurations.
doi: 10.1103/PhysRevC.84.061305
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