NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.F.Ashley Found 17 matches. 2019PE10 Phys.Rev. C 99, 064321 (2019) E.E.Peters, A.E.Stuchbery, A.Chakraborty, B.P.Crider, S.F.Ashley, A.Kumar, M.T.McEllistrem, F.M.Prados-Estevez, S.W.Yates Emerging collectivity from the nuclear structure of 132Xe: Inelastic neutron scattering studies and shell-model calculations NUCLEAR REACTIONS 132Xe(n, n'), E=2.2, 2.7, 3.4 MeV; measured Eγ, Iγ, γ(θ), level half-lives by DSAM using HPGe detector at the University of Kentucky Accelerator Laboratory. 132Xe; deduced levels, J, π, multipolarities, γ-branching ratios, B(E2), B(M1), B(E1). Systematics of B(E2) and g factors in 132,134,136Xe. Comparison with shell model calculations using NUSHELLX code and jj55 interaction. NUCLEAR STRUCTURE 128,130Sn, 132,134Xe; calculated levels, J, π, wave function amplitudes. 132,134,136Xe; calculated B(E2), spin decomposition and g factors. Shell model calculations using NUSHELLX code and jj55 interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.99.064321
2017MU03 Phys.Rev. C 95, 014327 (2017) S.Mukhopadhyay, B.P.Crider, B.A.Brown, S.F.Ashley, A.Chakraborty, A.Kumar, M.T.McEllistrem, E.E.Peters, F.M.Prados-Estevez, S.W.Yates Nuclear structure of 76Ge from inelastic neutron scattering measurements and shell model calculations NUCLEAR REACTIONS 76Ge(n, n'γ), E=1.6-3.7 MeV; measured Eγ, Iγ, γ(θ) for E(n)=3.0-3.5 MeV, excitation functions, σ(E), level half-lives by DSAM at the University of Kentucky Accelerator Laboratory (UKAL). 76Ge; deduced levels, J, π, multipolarities, mixing ratios, B(E2), B(M1), 2+ mixed-symmetry state. Comparison with large-scale shell-model calculations using NuShellX computer code, and with previous experimental results.
doi: 10.1103/PhysRevC.95.014327
2017PE10 Phys.Rev. C 96, 014313 (2017) E.E.Peters, A.Chakraborty, B.P.Crider, S.F.Ashley, E.Elhami, S.F.Hicks, A.Kumar, M.T.McEllistrem, S.Mukhopadhyay, J.N.Orce, F.M.Prados-Estevez, S.W.Yates Level lifetimes and the structure of 134Xe from inelastic neutron scattering NUCLEAR REACTIONS 134Xe(n, n'γ), E=1.5-3.5 MeV; measured Eγ, Iγ, γ(θ), excitation functions, half-lives of levels by DSAM using a Compton-suppressed HPGe detector at the 7-MV Van de Graaff accelerator of the University of Kentucky (UKAL). 134Xe; deduced levels, J, π, 3- octupole state, multipolarities, mixing ratios, B(E2), B(E1), B(M1), and candidates for a complete negative-parity multiplet based on ν(1h11/2, 2d3/2) configuration. Comparisons with a vibrational description of the nucleus. Systematics of energy levels in N=80 isotones of 132Te, 134Xe, 136Ba and 138Ce.
doi: 10.1103/PhysRevC.96.014313
2017WA18 Phys.Lett. B 770, 83 (2017) F.Wang, B.H.Sun, Z.Liu, R.D.Page, C.Qi, C.Scholey, S.F.Ashley, L.Bianco, I.J.Cullen, I.G.Darby, S.Eeckhaudt, A.B.Garnsworthy, W.Gelletly, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, D.G.Jenkins, G.A.Jones, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, S.Khan, A.Kishada, M.Leino, M.Niikura, M.Nyman, J.Pakarinen, S.Pietri, Z.Podolyak, P.Rahkila, S.Rigby, J.Saren, T.Shizuma, J.Sorri, S.Steer, J.Thomson, N.J.Thompson, J.Uusitalo, P.M.Walker, S.Williams, H.F.Zhang, W.Q.Zhang, L.H.Zhu Spectroscopic factor and proton formation probability for the d3/2 proton emitter 151mLu RADIOACTIVITY 151Lu(p) [from 96Ru(58Ni, X)151Lu, E=266, 274 MeV]; measured decay products, Ep, Ip, Eγ, Iγ; deduced γ-ray energies and intensities, spectroscopic factors, proton-decay formation amplitudes, Q-value, T1/2. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2017.04.034
2017WA49 Phys.Rev. C 96, 064307 (2017); Erratum Phys.Rev. C 97, 029902 (2018) F.Wang, B.H.Sun, Z.Liu, C.Qi, L.H.Zhu, C.Scholey, S.F.Ashley, L.Bianco, I.J.Cullen, I.G.Darby, S.Eeckhaudt, A.B.Garnsworthy, W.Gelletly, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, D.G.Jenkins, G.A.Jones, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, S.Khan, A.Kishada, M.Leino, M.Niikura, M.Nyman, R.D.Page, J.Pakarinen, S.Pietri, Zs.Podolyak, P.Rahkila, S.Rigby, J.Saren, T.Shizuma, J.Sorri, S.Steer, J.Thomson, N.J.Thompson, J.Uusitalo, P.M.Walker, S.Williams Reinvestigation of the excited states in the proton emitter 151Lu: Particle-hole excitations across the N=Z=64 subshell NUCLEAR REACTIONS 96Ru(58Ni, 2np), E=266, 274 MeV; measured fusion-evaporation residues, Eγ, Iγ, γγ-coin, pγ-coin using RITU separator, GREAT spectrometer and JUROGAM array at the K130 cyclotron facility of the University of Jyvaskyla. Recoil-Decay Tagging (RDT) technique. 151Lu; deduced high-spin levels, J, π, sequences. Comparison with large-scale shell-model calculations.
doi: 10.1103/PhysRevC.96.064307
2016KO04 Phys.Rev. C 93, 014320 (2016) T.Konstantinopoulos, S.F.Ashley, M.Axiotis, A.Spyrou, S.Harissopulos, A.Dewald, J.Litzinger, O.Moller, C.Muller-Gatterman, P.Petkov, D.R.Napoli, N.Marginean, G.de Angelis, C.A.Ur, D.Bazzacco, E.Farnea, S.M.Lenzi, R.Vlastou, D.Balabanski Lifetime measurements in 102Pd: Searching for empirical proof of the E(5) critical-point symmetry in nuclear structure NUCLEAR REACTIONS 92Zr(13C, 3n), E=48 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil distance Doppler-shift (RDDS) technique and analysis by differential decay curve method (DDCM). GASP array at XTU Tandem Van de Graaff accelerator at Legnaro. 102Pd; deduced levels, J, π, B(E2), configurations; calculated contours of the energy functional in (β, γ) plane. Comparison of B(E2) values with IBA model and predictions of E(5) critical-point symmetry.
doi: 10.1103/PhysRevC.93.014320
2016PE13 Phys.Rev. C 94, 024313 (2016) E.E.Peters, T.J.Ross, S.F.Ashley, A.Chakraborty, B.P.Crider, M.D.Hennek, S.H.Liu, M.T.McEllistrem, S.Mukhopadhyay, F.M.Prados-Estevez, A.P.D.Ramirez, J.S.Thrasher, S.W.Yates 0+states in 130, 132Xe: A search for E(5) behavior NUCLEAR REACTIONS 130Xe(n, n'), E=2.0, 2.5 MeV; 132Xe(n, n'), E=2.2, 2.7 MeV; measured Eγ, Iγ, γ(θ), cross sections for level population, level half-lives by DSAM at the University of Kentucky Van de Graaff accelerator facility. 130,132Xe; deduced levels, J, π, γ-branching ratios, multipolarity, mixing ratio, B(E2). Discussed E(5) critical-point symmetry. Comparison of experimental cross sections with statistical model calculations. Systematics of energies and B(E2) of first 2+ states and E(first 4+)/E(first 2+) ratios in N=56-90 even-A Xe isotopes taken from the ENSDF database.
doi: 10.1103/PhysRevC.94.024313
2012SA41 Phys.Rev. C 86, 035802 (2012) A.Sauerwein, J.Endres, L.Netterdon, A.Zilges, V.Foteinou, G.Provatas, T.Konstantinopoulos, M.Axiotis, S.F.Ashley, S.Harissopulos, T.Rauscher Investigation of the reaction 74Ge(p, γ)75As using the in-beam method to improve reaction network predictions for p nuclei NUCLEAR REACTIONS 74Ge(p, γ)75As, E=2.1-3.7 MeV; measured Eγ, Iγ, γ(θ), total and partial σ(E); deduced stellar reactivity. 75As; deduced levels, J, π, revised J and π for 401- and 1075-keV levels. 74As(n, γ), T=0.10-10.0 GK; deduced stellar reactivity. Comparison with Hauser-Feshbach statistical model calculations. Relevance to origin of the neutron-deficient p nuclides.
doi: 10.1103/PhysRevC.86.035802
2011CH05 Phys.Rev. C 83, 034316 (2011) A.Chakraborty, J.N.Orce, S.F.Ashley, B.A.Brown, B.P.Crider, E.Elhami, M.T.McEllistrem, S.Mukhopadhyay, E.E.Peters, B.Singh, S.W.Yates Status of vibrational structure in 62Ni NUCLEAR REACTIONS 62Ni(n, n'γ), E=2.8-4.1 MeV; measured Eγ, Iγ, γ(θ), excitation functions, Doppler shift attenuations. 62Ni; deduced levels, J, π, multipolarities, mixing ratios, level half-lives, B(E2), B(M1). Comparison of experimental reduced transition probabilities with the predictions of the quadrupole vibrator model and with large-scale shell-model calculations in the fp shell configuration space. No evidence for three-phonon states. Role of Z=28 proton core excitations. Systematics of energies and B(E2) values for of 2+ states in A=56-68 even-even Ni nuclei. NUCLEAR STRUCTURE 62Ni; calculated levels, J, π, B(E2), occupation numbers of the fp orbitals for the protons and neutrons in 62Ni. Large-scale shell model calculations in the fp shell. Complete mapping of the E2 strength for all possible transitions between the low-spin states.
doi: 10.1103/PhysRevC.83.034316
2010SO03 Phys.Rev. C 81, 034310 (2010) P.-A.Soderstrom, J.Nyberg, P.H.Regan, A.Algora, G.de Angelis, S.F.Ashley, S.Aydin, D.Bazzacco, R.J.Casperson, W.N.Catford, J.Cederkall, R.Chapman, L.Corradi, C.Fahlander, E.Farnea, E.Fioretto, S.J.Freeman, A.Gadea, W.Gelletly, A.Gottardo, E.Grodner, C.Y.He, G.A.Jones, K.Keyes, M.Labiche, X.Liang, Z.Liu, S.Lunardi, N.Marginean, P.Mason, R.Menegazzo, D.Mengoni, G.Montagnoli, D.Napoli, J.Ollier, S.Pietri, Zs.Podolyak, G.Pollarolo, F.Recchia, E.Sahin, F.Scarlassara, R.Silvestri, J.F.Smith, K.-M.Spohr, S.J.Steer, A.M.Stefanini, S.Szilner, N.J.Thompson, G.M.Tveten, C.A.Ur, J.J.Valiente-Dobon, V.Werner, S.J.Williams, F.R.Xu, J.Y.Zhu Spectroscopy of neutron-rich 168, 170Dy: Yrast band evolution close to the NpNn valence maximum NUCLEAR REACTIONS 170Er(82Se, X)168Dy/170Dy, E=460 MeV; measured mass yields, distributions of product nuclei using PRISMA spectrometer, Eγ, Iγ, γγ-, (particle)γ-coin using CLARA HPGe array. 168Dy; deduced levels, J, π, rotational bands, moments of inertia. 170Dy; deduced 4+ to 2+ transition. 170Er; measured Eγ. Z=64-72, N=94-108; systematics of levels and moments of inertia for even-even isotopes, and total Routhian surface calculations. 81,82,83,84,85,86,87,88,89,90Kr, 162,163,164,165,166,167,168,169,170,171Dy; measured yields of complementary beam-like and target-like fragments through 2pxn channels.
doi: 10.1103/PhysRevC.81.034310
2007AS05 Acta Phys.Pol. B38, 1385 (2007) S.F.Ashley, A.Linnemann, J.Jolie, P.H.Regan, K.Andgren, A.Dewald, E.A.McCutchan, B.Melon, O.Moller, N.V.Zamfir, L.Amon, N.Boelaert, R.B.Cakirli, R.F.Casten, R.M.Clark, C.Fransen, W.Gelletly, G.Gurdal, M.Heidemann, K.L.Keyes, M.N-.Erduran, D.A.Meyer, A.Papenberg, C.Plettner, G.Rainovski, R.V.Ribas, N.J.Thomas, J.Vinson, D.D.Warner, V.Werner, E.Williams, K.O.Zell Lifetime Determination of Excited States in 106Cd NUCLEAR REACTIONS 98Mo(12C, 4n)106Cd, E=60 MeV; 96Mo(13C, 3n)106Cd, E=43 MeV; measured Eγ, Iγ, lifetimes for isomeric states.
2007AS07 Phys.Rev. C 76, 064302 (2007) S.F.Ashley, P.H.Regan, K.Andgren, E.A.McCutchan, N.V.Zamfir, L.Amon, R.B.Cakirli, R.F.Casten, R.M.Clark, W.Gelletly, G.Gurdal, K.L.Keyes, D.A.Meyer, M.N.Erduran, A.Papenberg, N.Pietralla, C.Plettner, G.Rainovski, R.V.Ribas, N.J.Thomas, J.Vinson, D.D.Warner, V.Werner, E.Williams, H.L.Liu, F.R.Xu Intrinsic state lifetimes in 103Pd and 106, 107Cd NUCLEAR REACTIONS 98Mo(12C, 3n), (12C, 4n), (12C, 2nα), (12C, 3nα), E=60 MeV; measured Eγ, Iγ, γγ coin. 103Pd, 106,107Cd; deduced levels, J, π, configurations, lifetimes using recoil distance Doppler shift and differential decay cutoff methods.
doi: 10.1103/PhysRevC.76.064302
2006BA75 Int.J.Mod.Phys. E15, 1735 (2006) D.L.Balabanski, K.A.Gladnishki, G.Lo Bianco, A.Saltarelli, N.V.Zamfir, E.A.McCutchan, H.Ai, R.F.Casten, A.Heinz, D.A.Meyer, C.Plettner, J.Qian, V.Werner, E.Williams, B.Akkus, L.Amon, R.B.Cakirli, M.N.Erduran, Y.Oktem, S.F.Ashley, P.H.Regan, G.Rainovski Evidence for X(5) critical point symmetry in 128Ce NUCLEAR REACTIONS 100Mo(32S, 4n), E=120 MeV; measured Eγ, Iγ, γγ-coin, DSA. 128Ce levels deduced T1/2, B(E2), symmetry features. DSAM and recoil-distance techniques.
doi: 10.1142/S0218301306005538
2006CH10 Phys.Rev. C 73, 024306 (2006) R.S.Chakrawarthy, P.M.Walker, J.J.Ressler, E.F.Zganjar, G.C.Ball, M.B.Smith, A.N.Andreyev, S.F.Ashley, R.A.E.Austin, D.Bandyopadhyay, J.A.Becker, J.J.Carroll, D.S.Cross, D.Gohlke, J.J.Daoud, P.E.Garrett, G.F.Grinyer, G.Hackman, G.A.Jones, R.Kanungo, W.D.Kulp, Y.Litvinov, A.C.Morton, W.J.Mills, C.J.Pearson, R.Propri, C.E.Svensson, R.Wheeler, S.J.Williams Kπ = 0+ 2.29 s isomer in neutron-rich 174Tm RADIOACTIVITY 174Tm(IT) [from Ta(p, X)]; measured Eγ, Iγ, E(ce), I(ce), γγ-, (ce)γ-, (ce)(ce)-coin, T1/2. 174Tm deduced levels, J, π, configurations, ICC, B(E3).
doi: 10.1103/PhysRevC.73.024306
2005AN26 J.Phys.(London) G31, S1563 (2005) K.Andgren, S.F.Ashley, P.H.Regan, E.A.McCutchan, N.V.Zamfir, L.Amon, R.B.Cakirli, R.F.Casten, R.M.Clark, G.Gurdal, K.L.Keyes, D.A.Meyer, M.N.Erduran, A.Papenberg, N.Pietralla, C.Plettner, G.Rainovski, R.V.Ribas, N.J.Thomas, J.Vinson, D.D.Warner, V.Werner, E.Williams RDM lifetime measurements in 107Cd NUCLEAR REACTIONS 98Mo(12C, 3n), E=60 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 107Cd levels deduced T1/2, B(E2). Recoil-distance method.
doi: 10.1088/0954-3899/31/10/033
2005BA87 J.Phys.(London) G31, S1491 (2005) G.C.Ball, T.Achtzehn, D.Albers, J.S.Al-Khalili, C.Andreoiu, A.Andreyev, S.F.Ashley, R.A.E.Austin, J.A.Becker, P.Bricault, S.Chan, R.S.Chakrawarthy, R.Churchman, H.Coombes, E.S.Cunningham, J.Daoud, M.Dombsky, T.E.Drake, B.Eshpeter, P.Finlay, P.E.Garrett, C.Geppert, G.F.Grinyer, G.Hackman, V.Hanemaayer, B.Hyland, G.A.Jones, K.A.Koopmans, W.D.Kulp, J.Lassen, J.P.Lavoie, J.R.Leslie, Y.Litvinov, J.A.Macdonald, C.Mattoon, D.Melconian, A.C.Morton, C.J.Osborne, C.J.Pearson, M.Pearson, A.A.Phillips, J.J.Ressler, F.Sarazin, M.A.Schumaker, J.Schwarzenberg, H.C.Scraggs, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, J.C.Waddington, P.M.Walker, K.Wendt, S.J.Williams, J.L.Wood, E.F.Zganjar High-resolution γ-ray spectroscopy: a versatile tool for nuclear β-decay studies at TRIUMF-ISAC
doi: 10.1088/0954-3899/31/10/019
2005CH67 Eur.Phys.J. A 25, Supplement 1, 125 (2005) R.S.Chakrawarthy, P.M.Walker, M.B.Smith, A.N.Andreyev, S.F.Ashley, G.C.Ball, J.A.Becker, J.J.Daoud, P.E.Garrett, G.Hackman, G.A.Jones, Y.Litvinov, A.C.Morton, C.J.Pearson, C.E.Svensson, S.J.Williams, E.F.Zganjar Discovery of a new 2.3 s isomer in neutron-rich 174Tm RADIOACTIVITY 174Tm(IT) [from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-coin following decay of mass-separated sources; deduced T1/2. Discussed K-hindrance and Nilsson configuration of new level.
doi: 10.1140/epjad/i2005-06-169-x
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