NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = D.K.Sharp Found 31 matches. 2023AY06 Eur.Phys.J. A 59, 294 (2023) Y.Ayyad, A.K.Anthony, D.Bazin, J.Chen, G.W.McCann, W.Mittig, B.P.Kay, D.K.Sharp, J.C.Zamora Kinematics reconstruction in solenoidal spectrometers operated in active target mode NUCLEAR REACTIONS 2H(10Be, 10Be'), E=9 MeV/nucleon; 1H(14C, p), (14C, p'), (14C, d), E=12 MeV/nucleon; measured reaction products; deduced yields. The Active Target Time Projection Chamber (AT-TPC) of the Facility for Rare Isotope (FRIB) of the Michigan State University (MSU).
doi: 10.1140/epja/s10050-023-01205-2
2023BE06 Phys.Rev.Lett. 130, 202501 (2023) S.A.Bennett, K.Garrett, D.K.Sharp, S.J.Freeman, A.G.Smith, T.J.Wright, B.P.Kay, T.L.Tang, I.A.Tolstukhin, Y.Ayyad, J.Chen, P.J.Davies, A.Dolan, L.P.Gaffney, A.Heinz, C.R.Hoffman, C.Muller-Gatermann, R.D.Page, G.L.Wilson Direct Determination of Fission-Barrier Heights Using Light-Ion Transfer in Inverse Kinematics NUCLEAR REACTIONS 2H(238U, F), E=8.6 MeV/nucleon; measured reaction products. 239U; deduced fission probability, fission barrier height. Comparison with GEF simulations. The ATLAS accelerator.
doi: 10.1103/PhysRevLett.130.202501
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
2022KA36 Phys.Rev.Lett. 129, 152501 (2022) B.P.Kay, T.L.Tang, I.A.Tolstukhin, G.B.Roderick, A.J.Mitchell, Y.Ayyad, S.A.Bennett, J.Chen, K.A.Chipps, H.L.Crawford, S.J.Freeman, K.Garrett, M.D.Gott, M.R.Hall, C.R.Hoffman, H.Jayatissa, A.O.Macchiavelli, P.T.MacGregor, D.K.Sharp, G.L.Wilson Quenching of Single-Particle Strength in A = 15 Nuclei NUCLEAR REACTIONS 2H(14C, p), (14N, p), E=10 MeV/nucleon; measured reaction products, Ep, Ip. 15C, 15N; deduced σ(θ), Q-value, the difference between the neutron and proton separation energies, degree of quenching. Comparison with the independent single-particle and shell model calculations. The HELIOS spectrometer at the ATLAS facility at Argonne National Laboratory.
doi: 10.1103/PhysRevLett.129.152501
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
2021MA72 Phys.Rev. C 104, L051301 (2021) P.T.MacGregor, D.K.Sharp, S.J.Freeman, C.R.Hoffman, B.P.Kay, T.L.Tang, L.P.Gaffney, E.F.Baader, M.J.G.Borge, P.A.Butler, W.N.Catford, B.D.Cropper, G.de Angelis, J.Konki, Th.Kroll, M.Labiche, I.H.Lazarus, R.S.Lubna, I.Martel, D.G.McNeel, R.D.Page, O.Poleshchuk, R.Raabe, F.Recchia, J.Yang Evolution of single-particle structure near the N=20 island of inversion NUCLEAR REACTIONS 2H(28Mg, p)29Mg, E=9.47 MeV/nucleon, [secondary 28Mg beam from Si(p, X), E=1.4 GeV, followed resonant ionization by the resonance ionization laser ion source (RILIS), and mass separated and injected into an ion trap at the HIE-ISOLDE-CERN Linac facility]; measured E(p), I(p), σ(θ) using ISOLDE Solenoidal Spectrometer. 29Mg; deduced levels, J, π, L-transfers, spectroscopic factors, vacancies deduced from summed spectroscopic factors, binding energies of single-particle centroids. Comparison with shell-model calculations. Detailed σ(θ) data are tabulated in the Supplemental Material.
doi: 10.1103/PhysRevC.104.L051301
2021MC04 Phys.Rev. C 103, 064320 (2021) D.G.McNeel, A.H.Wuosmaa, S.A.Kuvin, J.Smith, B.B.Back, J.Chen, C.R.Hoffman, B.P.Kay, G.L.Wilson, D.K.Sharp, R.M.Clark, H.L.Crawford, P.Fallon, A.O.Macchiavelli Configuration mixing in 28Mg and the 26Mg(t, p)28Mg NUCLEAR REACTIONS 3H(26Mg, p)28Mg, E=160.6 MeV; 2H(26Mg, p)27Mg, E=160.6 MeV; measured reaction products, particle-identification spectra, E(p), I(p), σ(θ) using HELIOS magnetic spectrometer and auxiliary detectors at the ATLAS-ANL facility. 28Mg; deduced levels, J, π, L-transfers; calculated levels, J, π, proton- and neutron-occupation numbers for selected states in 28Mg using shell model with SDPF-MU interaction. DWBA analysis of σ(θ) distributions. Comparison with previous experimental data in the ENSDF database. 2H(26Mg, p)27Mg reaction used for energy-calibration and transport-efficiency information. Relevance to sd-fp cross-shell excitations between the valley of stability and the 'island of inversion'.
doi: 10.1103/PhysRevC.103.064320
2021SZ03 Phys.Rev. C 104, 054308 (2021) S.V.Szwec, D.K.Sharp, B.P.Kay, S.J.Freeman, J.P.Schiffer, P.Adsley, C.Binnersley, N.de Sereville, T.Faestermann, R.F.Garcia Ruiz, F.Hammache, R.Hertenberger, A.Meyer, C.Portail, I.Stefan, A.Vernon, S.Wilkins, H.-F.Wirth Neutron occupancies and single-particle energies across the stable tin isotopes NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(p, d)111Sn/113Sn/115Sn/117Sn/119Sn/121Sn/123Sn, E=21 MeV; 112,114,116,118,120,122,124Sn(3He, α)111Sn/113Sn/115Sn/117Sn/119Sn/121Sn/123Sn, E=36 MeV; 112,114,116,118,120,122,124Sn(d, p)113Sn/115Sn/117Sn/119Sn/121Sn/123Sn/125Sn, E=15 MeV; 112,114,116,118,120,122,124Sn(α, 3He)113Sn/115Sn/117Sn/119Sn/121Sn/123Sn/125Sn, E=41 MeV; measured E(d), I(d), Eα, Iα, E(p), I(p), E(3He), I(3He), differential σ(θ) and analyzed by DWBA calculations; analyzed proton, deuteron, 3He and α spectra using Munich Q3D spectrometer at MLL accelerator facility for (p, d) and (d, p) reactions, and Enge split-pole spectrometer for (3He, α), (α, 3He) reactions at the IJClab of Tandem-Alto facility of Laboratoire de Physique. 112,114,116,118,120,122,124Sn; deduced levels, J, π, L-transfers, spectroscopic factors, summed neutron strengths, fractional occupancies and effective single-particle energies for 2s1/2, 1d3/2, 1d5/2, 0g7/2, and 0h11/2 neutron orbitals. Detailed cross sections at different angles, particle spectra, absolute cross sections and spectroscopic factors are given in the Supplemental Material of the paper.
doi: 10.1103/PhysRevC.104.054308
2020HO05 Phys.Rev. C 101, 034309 (2020) A.M.Howard, S.J.Freeman, D.K.Sharp, T.Bloxham, J.A.Clark, C.M.Deibel, B.P.Kay, P.D.Parker, J.P.Schiffer, J.S.Thomas Neutron-hole strength in N=81 nuclei NUCLEAR REACTIONS 138Ba, 140Ce, 142Nd, 144Sm(p, d), E=23 MeV; 138Ba, 140Ce, 142Nd, 144Sm(3He, α), E=34 MeV; measured Ed, Id, Eα, Iα, σ(θ) using the Enge split-pole spectrograph and multi-wire gas proportional counter backed by plastic scintillator at the tandem Van de Graaff accelerator of Yale University. 137Ba, 139Ce, 141Nd, 143Sm; deduced levels, J, π, L-transfer, configurations, spectroscopic factors, proton occupancies, neutron hole strengths and centroids, summed strengths. DWBA analysis. Comparison with predictions of particle-vibration coupling calculations.
doi: 10.1103/PhysRevC.101.034309
2020TA03 Phys.Rev.Lett. 124, 062502 (2020) T.L.Tang, B.P.Kay, C.R.Hoffman, J.P.Schiffer, D.K.Sharp, L.P.Gaffney, S.J.Freeman, M.R.Mumpower, A.Arokiaraj, E.F.Baader, P.A.Butler, W.N.Catford, G.de Angelis, F.Flavigny, M.D.Gott, E.T.Gregor, J.Konki, M.Labiche, I.H.Lazarus, P.T.MacGregor, I.Martel, R.D.Page, Zs.Podolyak, O.Poleshchuk, R.Raabe, F.Recchia, J.F.Smith, S.V.Szwec, J.Yang First Exploration of Neutron Shell Structure below Lead and beyond N=126 NUCLEAR REACTIONS 2H(206Hg, p), E=7.38 MeV/nucleon; measured reaction products, Ep, Ip. 207Hg; deduced excitation energies, J, π, σ(θ). Comparison with theoretical calculations.
doi: 10.1103/physrevlett.124.062502
2019GA01 Phys.Rev. C 99, 011301 (2019) A.Gade, R.V.F.Janssens, J.A.Tostevin, D.Bazin, J.Belarge, P.C.Bender, S.Bottoni, M.P.Carpenter, B.Elman, S.J.Freeman, T.Lauritsen, S.M.Lenzi, B.Longfellow, E.Lunderberg, A.Poves, L.A.Riley, D.K.Sharp, D.Weisshaar, S.Zhu Structure of 70Fe: Single-particle and collective degrees of freedom NUCLEAR REACTIONS 9Be(71Co, 70Fe), E=87 MeV/nucleon, [secondary 71Co beam from 9Be(82Se, X), E=140 MeV/nucleon primary reaction, followed by separation of 71Co ions using A1900 fragment separator]; measured Eγ, Iγ, (70Fe ions)γ- and γγ-coin, residue energy loss and time of flight, σ for one-proton removal, level half-lives by line-shape analysis using GRETINA array for γ detection and the S800 spectrograph for particle identification at the NSCL-MSU facility. 70Fe; deduced levels, J, π, . Comparison with LNPS large-scale shell-model calculations.
doi: 10.1103/PhysRevC.99.011301
2019SH28 Phys.Rev. C 100, 024329 (2019) D.K.Sharp, S.J.Freeman, B.D.Cropper, P.J.Davies, T.Faestermann, T.M.Hatfield, R.Hertenberger, S.J.F.Hughes, P.T.MacGregor, H.-F.Wirth Pairing properties of the double-β emitter 116Cd NUCLEAR REACTIONS 114,116Cd(p, t), E=22 MeV; measured triton spectra, σ(8° and 15°) using Q3D spectrograph at the MP tandem accelerator facility in Munich. 112,114Cd; deduced levels, 0+ states from ratios of cross sections at 8° and 15° and DWBA analysis, relative populations. Comparison with previous data for 0+ states in 116,118Sn from 114,116Cd(3He, n) reactions. Discussed pairing properties of the 0νββ decay of 116Cd.
doi: 10.1103/PhysRevC.100.024329
2017FR08 Phys.Rev. C 96, 054325 (2017) S.J.Freeman, D.K.Sharp, S.A.McAllister, B.P.Kay, C.M.Deibel, T.Faestermann, R.Hertenberger, A.J.Mitchell, J.P.Schiffer, S.V.Szwec, J.S.Thomas, H.-F.Wirth Experimental study of the rearrangements of valence protons and neutrons amongst single-particle orbits during double-β decay in 100Mo NUCLEAR REACTIONS 98,100Mo, 100,102Ru(d, p), (p, d), (3He, α), (3He, d), E(d)=15 MeV, E(p)=24 MeV, E(3He)=36 MeV; measured light-ion particle spectra, cross sections, angular distributions using Q3D magnetic spectrometer at Munich MP tandem accelerator facility. Enriched targets. 97,99,101Mo, 99,101,103Ru, 99,101Tc, 101,103Rh; deduced levels, L-transfers, J, π, spectroscopic factors, cross section ratios. DWBA analysis of σ(θ) data. 98,100Mo, 100,102Ru; deduced neutron occupancies from neutron-removing reactions, and proton vacancies from (3He, d) reaction. 100Mo, 100Ru; deduced neutron occupancy and proton vacancy for the valence orbits, and compared to predictions from interacting boson model (IBM), and two different Woods-Saxon calculations. See Supplemental Material (reference 46 in the paper) for details of experimental cross section data and spectroscopic factors for individual states in final nuclei. RADIOACTIVITY 100Mo(2β-); deduced detailed quantitative assessment of rearrangements of protons and neutrons amongst the valence single-particle orbitals during double-β decay process, with relevance to nuclear matrix element for 0νββ and 2νββ decay modes.
doi: 10.1103/PhysRevC.96.054325
2016EN04 Phys.Rev. C 93, 064312 (2016) J.P.Entwisle, B.P.Kay, A.Tamii, S.Adachi, N.Aoi, J.A.Clark, S.J.Freeman, H.Fujita, Y.Fujita, T.Furuno, T.Hashimoto, C.R.Hoffman, E.Ideguchi, T.Ito, C.Iwamoto, T.Kawabata, B.Liu, M.Miura, H.J.Ong, J.P.Schiffer, D.K.Sharp, G.Susoy, T.Suzuki, S.V.Szwec, M.Takaki, M.Tsumura, T.Yamamoto Change of nuclear configurations in the neutrinoless double-β decay of 130Te → 130Xe and 136Xe → 136Ba NUCLEAR REACTIONS 128,130Te, 130,132,134,136Xe, 136,138Ba(d, 3He), E=101 MeV; measured Ed, Id, σ(θ) using Grand Raiden (GR) spectrometer at RCNP-Osaka cyclotron facility. 127,129Sb, 129,131,133,135I, 135,137Cs; deduced levels, L-transfers, spectroscopic factors. DWBA and optical model analysis. 128,130Te, 130,132,134,136Xe, 136,138Ba; deduced ground state proton occupancies. Comparison with shell-model and interacting boson-model calculations. RADIOACTIVITY 130Te, 136Xe(2β-); deduced change in the configuration of valence protons between the initial and final states in the 0νββ decay mode from measurements of the cross sections in (d, 3He) reaction, nuclear matrix elements.
doi: 10.1103/PhysRevC.93.064312
2016SZ03 Phys.Rev. C 94, 054314 (2016) S.V.Szwec, B.P.Kay, T.E.Cocolios, J.P.Entwisle, S.J.Freeman, L.P.Gaffney, V.Guimaraes, F.Hammache, P.P.McKee, E.Parr, C.Portail, J.P.Schiffer, N.de Sereville, D.K.Sharp, J.F.Smith, I.Stefan Rearrangement of valence neutrons in the neutrinoless double-β decay of 136Xe NUCLEAR REACTIONS 134Ba(d, p), E=15 MeV; 134Ba(α, 3He), E=40.1 MeV; 136Ba(p, d), E=23 MeV; 134Ba(3He, α), E=32.0 MeV; measured outgoing proton, deuteron, 3He and α spectra, σ(θ) using an Enge split-pole spectrometer at the ALTO Tandem accelerator at IPN-Orsay. DWBA analysis using PTOLEMY code. 135Ba; deduced levels, J, π. 136Xe, 134,136Ba; deduced ground-state neutron occupancies. Comparisons with theoretical calculations using various nuclear-structure models. Relevance to initial and final state in the 0νββ decay mode of 136Xe.
doi: 10.1103/PhysRevC.94.054314
2013KA04 Phys.Rev. C 87, 011302 (2013) B.P.Kay, T.Bloxham, S.A.McAllister, J.A.Clark, C.M.Deibel, S.J.Freedman, S.J.Freeman, K.Han, A.M.Howard, A.J.Mitchell, P.D.Parker, J.P.Schiffer, D.K.Sharp, J.S.Thomas Valence neutron properties relevant to the neutrinoless double-β decay of 130Te NUCLEAR REACTIONS 128,130Te(p, d), E=23 MeV; 128,130Te, 130,132Xe(d, p), E=15 MeV; 128,130Te, 130,132Xe(α, 3He), E=50 MeV; 130Te(3He, α), E=40 MeV; 132Xe(p, t), E=23 MeV; measured deuteron, proton, triton, 3He, α spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale Tandem accelerator facility. 127,129,131Te, 130,131,133Xe; deduced levels, J, π, L-transfers. 128,130Te, 130,132Xe; deduced neutron vacancies for active orbitals. Comparison with calculations within both the quasiparticle random-phase approximation and shell-model frameworks. Discussed relevance to neutrinoless double β decay of 130Te.
doi: 10.1103/PhysRevC.87.011302
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
2013SC06 Phys.Rev. C 87, 034306 (2013) J.P.Schiffer, C.R.Hoffman, B.P.Kay, J.A.Clark, C.M.Deibel, S.J.Freeman, M.Honma, A.M.Howard, A.J.Mitchell, T.Otsuka, P.D.Parker, D.K.Sharp, J.S.Thomas Valence nucleon populations in the Ni isotopes NUCLEAR REACTIONS 58,60,62,64Ni(d, p), E=10 MeV; 58,60,62,64Ni(α, 3He), (α, t), E=38 MeV; 58,60,62,64Ni(p, d), E=28 MeV; 58,60,62,64Ni(3He, d), E=18 MeV; 58,60,62,64Ni(3He, α), E=25 MeV; measured proton, deuteron, triton, 3He, α spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale tandem accelerator facility. 57,59,61,63,65Ni, 59,61,63,65Cu; deduced levels, J, π, l-transfers, spectroscopic factors. DWBA analysis. 58,60,62,64Ni; deduced neutron occupancies, proton vacancies, energy centroids of the neutron, neutron-hole, and proton single-particle excitations. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.87.034306
2013SH02 Phys.Rev. C 87, 014312 (2013) D.K.Sharp, B.P.Kay, J.S.Thomas, S.J.Freeman, J.P.Schiffer, B.B.Back, S.Bedoor, T.Bloxham, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, T.Otsuka, P.D.Parker, K.E.Rehm, D.V.Shetty, A.H.Wuosmaa Neutron single-particle strength outside the N=50 core NUCLEAR REACTIONS 88Sr, 90Zr, 92Mo(d, p), E=15 MeV; 88Sr, 90Zr, 92Mo(α, 3He), E=50 MeV; measured proton and 3He spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale. 2H(86Kr, p), E=10 MeV/nucleon; measured proton spectra, σ(θ) using HELIOS spectrometer at ANL. 87Kr, 89Sr, 91Zr, 93Mo; deduced levels, J, π, absolute σ, L-transfers, spectroscopic factors, centroids of single-particle strengths. DWBA analysis.
doi: 10.1103/PhysRevC.87.014312
2012BA31 Phys.Rev. C 86, 011305 (2012), Erratum Phys.Rev. C 86, 049902 (2012) T.Baugher, A.Gade, R.V.F.Janssens, S.M.Lenzi, D.Bazin, B.A.Brown, M.P.Carpenter, A.N.Deacon, S.J.Freeman, T.Glasmacher, G.F.Grinyer, F.G.Kondev, S.McDaniel, A.Poves, A.Ratkiewicz, E.A.McCutchan, D.K.Sharp, I.Stefanescu, K.A.Walsh, D.Weisshaar, S.Zhu Intermediate-energy Coulomb excitation of 58, 60, 62Cr: The onset of collectivity toward N=40 NUCLEAR REACTIONS 197Au(58Cr, 58Cr'), E=81.1 MeV/nucleon; 197Au(60Cr, 60Cr'), E=81.7 MeV/nucleon; 209Bi(62Cr, 62Cr'), E=79.0 MeV/nucleon; measured scattered projectile spectra, energy loss, time-of-flight, Eγ, Iγ, (particle)γ-coin using SeGA array at NSCL facility, integrated cross section, GEANT-4 simulations. Intermediate Coulomb excitation using secondary Cr beams from 9Be(76Ge, X), E=130 MeV/nucleon primary reaction. 58,60,62Cr, 197Au; deduced levels, B(E2) of first 2+ state in Cr nuclei and a level in 197Au, ratio of neutron and proton transition matrix elements Mn/Mp. 62Cr; measured half-life of first 2+ state by Doppler shift and line-shape method. Systematics of energies and B(E2) values of first 2+ states in even-even N=22-40 Ni, Fe and Cr isotopes. Comparison with shell model calculations in the fpgd space using the state-of-the-art LNPS effective interaction.
doi: 10.1103/PhysRevC.86.011305
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
2012HO26 J.Phys.:Conf.Ser. 381, 012098 (2012) A.M.Howard, S.J.Freeman, J.P.Schiffer, T.Bloxham, J.A.Clark, C.M.Deibel, B.P.Kay, P.D.Parker, D.K.Sharp, J.S.Thomas Neutron-hole strength in the N = 81 isotone NUCLEAR REACTIONS 138Ba, 140Ce, 142Nd, 144Sm(p, d), E=23 MeV;138Ba, 140Ce, 142Nd, 144Sm(3He, α), E=34 MeV; measured light reaction products E(particle), I(particle, θ) using Enge split-pole spectrograph, position-sensitive IC and scintillator; deduced σ(θ), spectroscopic strength for specified angular momentum transfers, single-particle binding energy.
doi: 10.1088/1742-6596/381/1/012098
2012KA44 J.Phys.:Conf.Ser. 381, 012095 (2012) B.P.Kay, M.Alcorta, B.B.Back, S.I.Baker, S.Bedoor, T.Bloxham, J.A.Clark, C.M.Deibel, S.J.Freeman, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, K.E.Rehm, J.P.Schiffer, D.K.Sharp, D.V.Shetty, J.S.Thomas, A.H.Wuosmaa, S.Zhu HELIOS - progress and possibilities
doi: 10.1088/1742-6596/381/1/012095
2012MC06 J.Phys.:Conf.Ser. 381, 012043 (2012) S.A.McAllister, B.P.Kay, S.J.Freeman, J.P.Schiffer, C.M.Diebel, T.Bloxham, A.M.Howard, P.D.Parker, D.K.Sharp, J.S.Thomas Constraining neutrinoless double β decay matrix elements in 130Te NUCLEAR REACTIONS 128,130Te(p, t), E=23 MeV;128,130Te(d, p), (α, α'), E=15 MeV; 128,130Te(3He, α), E=40 MeV;128,130Te(α, 3He), E=50 MeV; measured reaction products at specified (forward) angles; deduced (d, p) spectroscopic factors. Preliminary. Other reactions under analysis.
doi: 10.1088/1742-6596/381/1/012043
2012MI26 J.Phys.:Conf.Ser. 381, 012099 (2012) A.J.Mitchell, S.J.Freeman, J.P.Schiffer, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, B.P.Kay, P.D.Parker, D.K.Sharp, J.S.Thomas Investigating trends in proton single-particle states in Z = 51 isotopes using transfer reactions NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(α, t), E=37.5 MeV;112,114,116,118,120,122,124Sn(3He, d), E=25 MeV; measured E(particle), I(particle, θ) using Enge split-pole spectrometer; calculated σ(θ) using DWBA; deduced spectroscopic factors, σ(θ) for specified l-transfer, occupancies of neutron orbitals. Occupation of h11/2 increases rapidly with N. Preliminary.
doi: 10.1088/1742-6596/381/1/012099
2012SC01 Phys.Rev.Lett. 108, 022501 (2012) J.P.Schiffer, C.R.Hoffman, B.P.Kay, J.A.Clark, C.M.Deibel, S.J.Freeman, A.M.Howard, A.J.Mitchell, P.D.Parker, D.K.Sharp, J.S.Thomas Test of Sum Rules in Nucleon Transfer Reactions NUCLEAR STRUCTURE 58,60,62,64Ni; calculated spectroscopic factors for neutron transfer, valence-orbit occupancies. Macfarlane-French sum rules. NUCLEAR REACTIONS Ni(α, α), E=9 MeV; Ni(d, p), E=10 MeV; Ni(p, d), E=28 MeV; Ni(3He, d), E=18 MeV; Ni(α, t), E=38 MeV; measured reaction products. 58,60,62,64Ni; deduced spectroscopic factors, neutron occupancies. DWBA calculations.
doi: 10.1103/PhysRevLett.108.022501
2012SH40 J.Phys.:Conf.Ser. 381, 012100 (2012) D.K.Sharp, B.P.Kay, S.J.Freeman, J.P.Schiffer, B.B.Back, T.Bloxham, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, P.D.Parker, J.S.Thomas, A.H.Wuosmaa Trends in the g7/2 and h11/2 neutron single-particle energies in N = 51 isotones NUCLEAR REACTIONS 88Sr, 90Zr, 92Mo(d, p), E=15 MeV;88Sr, 90Zr, 92Mo(α, 3He), E=50 MeV; measured E(3He), I(3He, θ), Ep, Ip(θ) using Enge split-pole spectrometer; calculated σ(θ), spectroscopic factors using DWBA code PTOLEMY; deduced spectroscopic factors for specified l-transfers. 2H(86Kr, p), E=10 MeV/nucleon; measured Ep, Ip(θ) using HELIOS spectrometer; calculated σ(θ) using DWBA; deduced σ(θ).
doi: 10.1088/1742-6596/381/1/012100
2012TH07 Phys.Rev. C 86, 047304 (2012) J.S.Thomas, S.J.Freeman, C.M.Deibel, T.Faestermann, R.Hertenberger, B.P.Kay, S.A.McAllister, A.J.Mitchell, J.P.Schiffer, D.K.Sharp, H.-F.Wirth Neutron pair correlations in A=100 nuclei involved in neutrinoless double-β decay NUCLEAR REACTIONS 98,100Mo, 100,102Ru(p, t), E=24 MeV; measured triton spectra, σ, σ(θ) using Q3D magnetic spectrograph at MLL Munich facility. 96,98Mo, 98,100Ru; deduced levels, J, π, σ(6°)/σ(15°) ratios, L-transfers. DWBA analysis. 98,100Mo(3He, 3He), E=12 MeV; measured target thickness and solid angle subtended by the spectrograph aperture. Relevance to pairing properties, and matrix elements of 0νββ decay of 100Mo to 100Ru.
doi: 10.1103/PhysRevC.86.047304
2011KA27 Phys.Rev. C 84, 024325 (2011) B.P.Kay, J.P.Schiffer, S.J.Freeman, C.R.Hoffman, B.B.Back, S.I.Baker, S.Bedoor, T.Bloxham, J.A.Clark, C.M.Deibel, A.M.Howard, J.C.Lighthall, S.T.Marley, K.E.Rehm, D.K.Sharp, D.V.Shetty, J.S.Thomas, A.H.Wuosmaa Single-neutron energies outside 136Xe NUCLEAR REACTIONS 2H(136Xe, p), E=10 MeV/nucleon; measured Ep, Ip, time of flight, absolute σ, σ(θ) using Helios spectrometer at the ATLAS facility at ANL. 137Xe; deduced levels, J, π, l-transfers, spectroscopic factors, configurations. DWBA analysis of σ(θ) distributions.
doi: 10.1103/PhysRevC.84.024325
2011KA48 J.Phys.:Conf.Ser. 312, 092034 (2011) B.P.Kay, J.P.Schiffer, S.J.Freeman, B.B.Back, S.Bedoor, S.I.Baker, T.Bloxham, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, K.E.Rehm, D.K.Sharp, D.V.Shetty, J.S.Thomas, A.H.Wuosmaa Study of valence neutrons in 136Xe with HELIOS NUCLEAR REACTIONS 2H, C(136Xe, p), (136Xe, d), E=5, 10 MeV/nucleon; measured E(particle), I(particle, θ), A/Q ratio using position-sensitive Si detectors, ToF using radio-frequency of ATLAS facility; deduced σ(p, θ) for specified angular momentum transfer; calculated σ(θ) for specified angular momentum transfer using DWBA code PTOLEMY.
doi: 10.1088/1742-6596/312/9/092034
2010BL06 Phys.Rev. C 82, 027308 (2010) T.Bloxham, B.P.Kay, J.P.Schiffer, J.A.Clark, C.M.Deibel, S.J.Freeman, S.J.Freedman, A.M.Howard, S.A.McAllister, P.D.Parker, D.K.Sharp, J.S.Thomas Pair correlations in the neutrinoless double-β decay candidate 130Te NUCLEAR REACTIONS 128,130Te(p, t), E=23 MeV; measured triton spectra, σ(θ). 126,128Te; deduced levels, L-transfers. Split-pole magnetic spectrograph and gas-filled focal plane detector. Comparison with data for 128,130Te(3He, n) reactions. Relevance to calculation of the matrix element for neutrinoless double-β decay of 130Te.
doi: 10.1103/PhysRevC.82.027308
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