NSR Query Results
Output year order : Descending NSR database version of May 3, 2024. Search: Author = R.B.Piercey Found 48 matches. 2022LI32 Phys.Rev. C 105, 065205 (2022) Y.Liang, V.Tvaskis, M.E.Christy, A.Ahmidouch, C.S.Armstrong, J.Arrington, R.Asaturyan, S.Avery, O.K.Baker, D.H.Beck, H.P.Blok, C.W.Bochna, W.Boeglin, P.Bosted, M.Bouwhuis, H.Breuer, D.S.Brown, A.Bruell, R.D.Carlini, J.Cha, N.S.Chant, A.Cochran, L.Cole, S.Danagoulian, D.B.Day, J.Dunne, D.Dutta, R.Ent, H.C.Fenker, B.Fox, L.Gan, H.Gao, K.Garrow, D.Gaskell, A.Gasparian, D.F.Geesaman, R.Gilman, P.L.J.Gueye, M.Harvey, R.J.Holt, X.Jiang, M.Jones, C.E.Keppel, E.Kinney, W.Lorenzon, A.Lung, D.J.Mack, P.Markowitz, J.W.Martin, K.McIlhany, D.McKee, D.Meekins, M.A.Miller, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.A.Mueller, A.Nathan, G.Niculescu, I.Niculescu, T.G.O'Neill, V.Papavassiliou, S.F.Pate, R.B.Piercey, D.Potterveld, R.D.Ransome, J.Reinhold, E.Rollinde, O.Rondon, P.Roos, A.J.Sarty, R.Sawafta, E.C.Schulte, E.Segbefia, C.Smith, S.Stepanyan, S.Strauch, V.Tadevosyan, L.Tang, R.Tieulent, A.Uzzle, W.F.Vulcan, S.A.Wood, F.Xiong, L.Yuan, M.Zeier, B.Zihlmann, V.Ziskin Measurement of R=σL/σT and the separated longitudinal and transverse structure functions in the nucleon-resonance region NUCLEAR REACTIONS 1H(e, X), E=1.2-5.5 GeV; measured reaction products; deduced σ(θ), σL/σT, longitudinal and transverse nucleon structure function. High momentum spectrometer (HMS) at CEBAF accelerator (JLab).
doi: 10.1103/PhysRevC.105.065205
2010TV01 Phys.Rev. C 81, 055207 (2010) V.Tvaskis, J.Arrington, R.Asaturyan, O.K.Baker, H.P.Blok, P.Bosted, M.Boswell, A.Bruell, M.E.Christy, A.Cochran, R.Ent, B.W.Filippone, A.Gasparian, C.E.Keppel, E.Kinney, L.Lapikas, W.Lorenzon, D.J.Mack, J.Mammei, J.W.Martin, H.Mkrtchyan, I.Niculescu, R.B.Piercey, D.H.Potterveld, G.Smith, K.Spurlock, G.van der Steenhoven, S.Stepanyan, V.Tadevosian, S.A.Wood Proton and deuteron F2 structure function at low Q2
doi: 10.1103/PhysRevC.81.055207
2007TV01 Phys.Rev.Lett. 98, 142301 (2007) V.Tvaskis, M.E.Christy, J.Arrington, R.Asaturyan, O.K.Baker, H.P.Blok, P.Bosted, M.Boswell, A.Bruell, A.Cochran, L.Cole, J.Crowder, J.Dunne, R.Ent, H.C.Fenker, B.W.Filippone, K.Garrow, A.Gasparian, J.Gomez, H.E.Jackson, C.E.Keppel, E.Kinney, L.Lapikas, Y.Liang, W.Lorenzon, A.Lung, D.J.Mack, J.W.Martin, K.McIlhany, D.Meekins, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.Moreland, V.Nazaryan, I.Niculescu, A.Opper, R.B.Piercey, D.H.Potterveld, B.Rose, Y.Sato, W.Seo, G.Smith, K.Spurlock, G.van der Steenhoven, S.Stepanyan, V.Tadevosian, A.Uzzle, W.F.Vulcan, S.A.Wood, B.Zihlmann, V.Ziskin Longitudinal-Transverse Separations of Deep-Inelastic Structure Functions at Low Q2 for Hydrogen and Deuterium NUCLEAR REACTIONS 1H(e, e'X), E=2.301, 3.419, 5.648 GeV; measured σ(E, θ), ratio of longitudinal, transverse σ.
doi: 10.1103/PhysRevLett.98.142301
2004CH38 Phys.Rev. C 70, 015206 (2004) M.E.Christy, A.Ahmidouch, C.S.Armstrong, J.Arrington, R.Asaturyan, S.Avery, O.K.Baker, D.H.Beck, H.P.Blok, C.W.Bochna, W.Boeglin, P.Bosted, M.Bouwhuis, H.Breuer, D.S.Brown, A.Bruell, R.D.Carlini, N.S.Chant, A.Cochran, L.Cole, S.Danagoulian, D.B.Day, J.Dunne, D.Dutta, R.Ent, H.C.Fenker, B.Fox, L.Gan, H.Gao, K.Garrow, D.Gaskell, A.Gasparian, D.F.Geesaman, P.L.J.Gueye, M.Harvey, R.J.Holt, X.Jiang, C.E.Keppel, E.Kinney, Y.Liang, W.Lorenzon, A.Lung, P.Markowitz, J.W.Martin, K.McIlhany, D.Mckee, D.Meekins, M.A.Miller, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.A.Mueller, A.Nathan, G.Niculescu, I.Niculescu, T.G.O'Neill, V.Papavassiliou, S.F.Pate, R.B.Piercey, D.Potterveld, R.D.Ransome, J.Reinhold, E.Rollinde, P.Roos, A.J.Sarty, R.Sawafta, E.C.Schulte, E.Segbefia, C.Smith, S.Stepanyan, S.Strauch, V.Tadevosyan, L.Tang, R.Tieulent, A.Uzzle, W.F.Vulcan, S.A.Wood, F.Xiong, L.Yuan, M.Zeier, B.Zihlmann, V.Ziskin Measurements of electron-proton elastic cross sections for 0.4 < Q2 < 5.5 (GeV/c)2 NUCLEAR REACTIONS 1H(e, e), E=1.1-5.5 GeV; measured elastic σ(Q2), σ(θ); deduced form factors.
doi: 10.1103/PhysRevC.70.015206
2002GA43 Phys.Rev. C66, 044613 (2002) K.Garrow, D.McKee, A.Ahmidouch, C.S.Armstrong, J.Arrington, R.Asaturyan, S.Avery, O.K.Baker, D.H.Beck, H.P.Blok, C.W.Bochna, W.Boeglin, P.Bosted, M.Bouwhuis, H.Breuer, D.S.Brown, A.Bruell, R.D.Carlini, N.S.Chant, A.Cochran, L.Cole, S.Danagoulian, D.B.Day, J.Dunne, D.Dutta, R.Ent, H.C.Fenker, B.Fox, L.Gan, D.Gaskell, A.Gasparian, H.Gao, D.F.Geesaman, R.Gilman, P.L.J.Gueye, M.Harvey, R.J.Holt, X.Jiang, C.E.Keppel, E.Kinney, Y.Liang, W.Lorenzon, A.Lung, D.J.Mack, P.Markowitz, J.W.Martin, K.McIlhany, D.Meekins, M.A.Miller, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.A.Mueller, A.Nathan, G.Niculescu, I.Niculescu, T.G.O'Neill, V.Papavassiliou, S.Pate, R.B.Piercey, D.Potterveld, R.D.Ransome, J.Reinhold, E.Rollinde, P.Roos, A.J.Sarty, R.Sawafta, E.C.Schulte, E.Segbefia, C.Smith, S.Stepanyan, S.Strauch, V.Tadevosyan, L.Tang, R.Tieulent, A.Uzzle, W.F.Vulcan, S.A.Wood, F.Xiong, L.Yuan, M.Zeier, B.Zihlmann, V.Ziskin Nuclear transparency from quasielastic A(e, e'p) reactions up to Q2 = 8.1 (GeV/c)2 NUCLEAR REACTIONS 2H, 12C, 56Fe(e, e'p), E=3.1, 4.5, 5.6 GeV; measured particle spectra, coincidence yields; deduced nuclear transparency vs mass, momentum transfer.
doi: 10.1103/PhysRevC.66.044613
2002HA24 Yad.Fiz. 65, 677 (2002); Phys.Atomic Nuclei 65, 645 (2002) J.H.Hamilton, A.V.Ramayya, J.K.Hwang, G.M.Ter-Akopian, A.V.Daniel, J.O.Rasmussen, S.-C.Wu, R.Donangelo, C.J.Beyer, J.Kormicki, X.Q.Zhang, A.M.Rodin, A.S.Fomichev, G.S.Popeko, J.Kliman, L.Krupa, M.Jandel, Yu.Ts.Oganessian, G.Chubarian, D.Seweryniak, R.V.F.Janssens, W.C.Ma, R.B.Piercey, W.Greiner, J.D.Cole Cold and Hot Binary and Ternary Fission Yields in the Spontaneous Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, (charged particle)γ-coin; deduced binary and ternary fission fragment yields, neutron multiplicities. Gammasphere array.
doi: 10.1134/1.1471267
2001AM02 Phys.Lett. 506B, 39 (2001) H.Amro, P.G.Varmette, W.C.Ma, B.Herskind, G.B.Hagemann, G.Sletten, R.V.F.Janssens, M.Bergstrom, A.Bracco, M.Carpenter, J.Domscheit, S.Frattini, D.J.Hartley, H.Hubel, T.L.Khoo, F.Kondev, T.Lauritsen, C.J.Lister, B.Million, S.W.Odegard, R.B.Piercey, L.L.Riedinger, K.A.Schmidt, S.Siem, I.Wiedenhover, J.N.Wilson, J.A.Winger First Evidence for Triaxial Superdeformation in 168Hf NUCLEAR REACTIONS 96Zr(76Ge, 4n), E=310 MeV; measured Eγ, Iγ, γγ-coin, DSA. 168Hf deduced high-spin levels, J, π, superdeformed bands, transition quadrupole moments, moments of inertia. Comparison with cranked Shellmodel calculations. Gammasphere array.
doi: 10.1016/S0370-2693(01)00369-0
2001HA67 Acta Phys.Hung.N.S. 14, 161 (2001) J.H.Hamilton, A.V.Ramayya, J.K.Hwang, G.M.Ter-Akopian, A.V.Daniel, T.N.Ginter, C.J.Beyer, J.Kormicki, X.Q.Zhang, A.M.Rodin, A.S.Fomichev, J.Kliman, L.Krupa, M.Jandel, Yu.Ts.Oganessian, W.Greiner, D.N.Poenaru, G.Chubaryan, D.Seweryniak, R.V.F.Janssens, J.O.Rasmussen, S.-C.Wu, R.Donangelo, W.C.Ma, R.B.Piercey, J.D.Cole Behavior of Nuclear Matter under Extreme Conditions in Fission RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, (charged particle)γ-coin; deduced neutron multiplicity, fission fragments isotopic yields, long-lived nuclear molecules. Gammasphere array.
doi: 10.1556/APH.14.2001.1-4.16
2001RA20 Prog.Part.Nucl.Phys. 46, 221 (2001) A.V.Ramayya, J.H.Hamilton, J.K.Hwang, C.J.Beyer, G.M.Ter-Akopyan, A.V.Daniel, J.O.Rasmussen, S.-C.Wu, R.Donangelo, J.Kormicki, X.Q.Zhang, A.Rodin, A.Formichev, J.Kliman, L.Krupa, Yu.Ts.Oganessian, G.Chubaryan, D.Seweryniak, R.V.F.Janssens, W.C.Ma, R.B.Piercey, J.D.Cole Binary and Ternary Fission Studies with 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, (charged particle)γ-coin; deduced binary and ternary fission fragment yields. Gammasphere array.
doi: 10.1016/S0146-6410(01)00127-2
2001SC37 Phys.Rev.Lett. 87, 102302 (2001) E.C.Schulte, A.Ahmidouch, C.S.Armstrong, J.Arrington, R.Asaturyan, S.Avery, O.K.Baker, D.H.Beck, H.P.Blok, C.W.Bochna, W.Boeglin, P.Y.Bosted, M.Bouwhuis, H.Breuer, D.S.Brown, A.Bruell, R.V.Cadman, R.Carlini, N.S.Chant, A.Cochran, L.Cole, S.Danagoulian, D.B.Day, J.A.Dunne, D.Dutta, R.Ent, H.C.Fenker, B.Fox, L.Gan, H.Gao, K.Garrow, D.Gaskell, A.Gasparian, D.F.Geesaman, R.Gilman, C.Glashausser, P.Gueye, M.Harvey, R.J.Holt, H.E.Jackson, X.Jiang, C.E.Keppel, E.R.Kinney, Y.Liang, W.Lorenzon, A.F.Lung, D.J.Mack, P.E.Markowitz, J.Martin, K.McIlhany, D.McKee, D.G.Meekins, M.A.Miller, R.G.Milner, J.H.Mitchell, H.Mkrtchyan, B.A.Mueller, A.M.Nathan, G.Niculescu, I.Niculescu, T.G.O'Neill, V.Papavassiliou, S.F.Pate, R.B.Piercey, D.H.Potterveld, R.D.Ransome, J.Reinhold, E.Rollinde, P.Roos, A.Saha, A.J.Sarty, R.Sawafta, E.Segbefia, T.Shin, S.Stepanyan, S.Strauch, M.F.Sutter, V.Tadevosyan, L.Tang, R.Tieulent, A.Uzzle, W.F.Vulcan, S.A.Wood, F.Xiong, L.Yuan, M.Zeier, B.Zihlmann, V.Ziskin Measurement of the High Energy Two-Body Deuteron Photodisintegration Differential Cross Section NUCLEAR REACTIONS 2H(γ, p), E < 5.5 GeV; measured σ(E, θ); deduced angle-dependent scaling threshold.
doi: 10.1103/PhysRevLett.87.102302
2000HW01 Phys.Rev. C61, 047601 (2000) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, C.J.Beyer, J.Kormicki, X.Q.Zhang, A.Rodin, A.Formichev, J.Kliman, L.Krupa, G.M.Ter-Akopian, Yu.Ts.Oganessian, G.Hubarian, D.Seweryniak, C.J.Lister, R.V.F.Janssens, I.Ahmad, M.P.Carpenter, J.P.Greene, T.Lauritsen, I.Wiedenhover, W.C.Ma, R.B.Piercey, J.D.Cole 5He Ternary Fission Yields of 252Cf and 235U(n, f) RADIOACTIVITY 252Cf(SF); measured ternary fission associated α-spectra; deduced 4He, 5He relative yields. Other data considered.
doi: 10.1103/PhysRevC.61.047601
1997VA17 Phys.Lett. 410B, 103 (1997); Erratum Phys.Lett. 421B, 412 (1998) P.G.Varmette, D.T.Shi, W.C.Ma, A.V.Ramayya, R.V.F.Janssens, C.N.Davids, J.H.Hamilton, I.Ahmad, H.Amro, B.R.S.Babu, B.Back, K.S.Bindra, D.J.Blumenthal, L.T.Brown, M.P.Carpenter, W.L.Croft, B.Crowell, S.M.Fischer, U.Garg, R.G.Henry, T.Ishii, T.L.Khoo, J.Kormicki, T.Lauritsen, C.J.Lister, D.Nisius, H.Penttila, R.B.Piercey, J.A.Winger, S.J.Zhu, P.B.Semmes Identification of 181Hg and Shape Coexistence in Odd-A Hg Isotopes NUCLEAR REACTIONS 144Sm(40Ar, 3n), E=175, 180 MeV; measured Eγ, Iγ, γγ-coin, (recoil)γ-coin, DCO ratios. 181Hg deduced levels, J, π, band structure, configurations, possible isomeric state. Comparisons with neighboring nuclei.
doi: 10.1016/S0370-2693(97)01035-6
1993PI07 J.Phys.(London) G19, 849 (1993) R.B.Piercey, C.Michel, E.Grosse, H.Emling, D.Schwalm, H.J.Wollersheim, J.H.Hamilton, A.V.Ramayya, N.Trautmann Coulomb Excitation Studies to High Spin in 248Cm NUCLEAR REACTIONS 248Cm(208Pb, 208Pb'), E=5.3 MeV/nucleon; measured Eγ, Iγ, (particle)(particle)γ-coin, (particle)γ(θ) following Coulomb excitation. 248Cm deduced levels, J, π, B(λ), band structure.
doi: 10.1088/0954-3899/19/6/006
1992DE50 Nucl.Instrum.Methods Phys.Res. A317, 242 (1992) J.K.Deng, W.C.Ma, J.H.Hamilton, A.V.Ramayya, J.Rikovska, N.J.Stone, W.L.Croft, R.B.Piercey, J.C.Morgan, P.F.Mantica, Jr. Test and Application of Symmetrical Four-Detector Compton Polarimeter for Low Temperature Nuclear Orientation and In-Beam Spectroscopy RADIOACTIVITY 192Ir(β-), (EC); 57Co(EC); 60Co(β-); 54Mn(EC); measured γ linear polarization, DCO, oriented nuclei; deduced polarization detection efficiency, other features. Symmetrical four-detector Compton polarimeter.
doi: 10.1016/0168-9002(92)90614-A
1992DE55 Hyperfine Interactions 75, 519 (1992) J.K.Deng, J.H.Hamilton, A.V.Ramayya, J.Rikovska, N.J.Stone, W.L.Croft, R.B.Piercey, J.C.Morgan, P.F.Mantica, Jr. Test of a Symmetrical Four-Detector Compton Polarimeter Using Low Temperature Nuclear Orientation RADIOACTIVITY 57Co(EC); 54Mn(EC); 60Co(β-); 192Ir(EC), (β-); measured γ(θ), γ linear polarization, orientation by hyperfine interaction at low temperature; deduced polarization detector efficiency. Symmetrical four-detector Compton polarimeter.
doi: 10.1007/BF02399007
1991CH14 Phys.Rev. C43, 2541 (1991) L.Chaturvedi, X.Zhao, A.V.Ramayya, J.H.Hamilton, J.Kormicki, S.Zhu, C.Girit, H.Xie, W.-B.Gao, Y.-R.Jiang, A.Petrovici, K.W.Schmid, A.Faessler, N.R.Johnson, C.Baktash, I.Y.Lee, F.K.McGowan, M.L.Halbert, M.A.Riley, J.H.McNeill, M.O.Kortelahti, J.D.Cole, R.B.Piercey, H.Q.Jin Tests of Microscopic Calculations of Multiple Band Structures and Large Deformations in 68Ge and 72Se NUCLEAR REACTIONS 46Ti(25Mg, n2p), E=68 MeV; 47Ti(28Si, X), E=95 MeV; measured γγ-coin. 68Ge, 72Se deduced levels, J, π, band structure, deformation features.
doi: 10.1103/PhysRevC.43.2541
1988AH01 Phys.Rev. C37, 1836 (1988) A.Ahmad, G.Bomar, H.Crowell, J.H.Hamilton, H.Kawakami, C.F.Maguire, W.G.Nettles, R.B.Piercey, A.V.Ramayya, R.Soundranayagam, R.M.Ronningen, O.Scholten, P.H.Stelson Coulomb Excitation of 144, 146, 148, 150Nd NUCLEAR REACTIONS 144,146,148,150Nd(α, α'), E=10.5, 11 MeV; measured σ(Eα) following Coulomb excitation. 144,146,148,150Nd deduced B(E2), B(E3), hexadecapole transition matrix element. Enriched targets.
doi: 10.1103/PhysRevC.37.1836
1988MA47 J.Phys.(London) G14, L217 (1988) C.F.Maguire, J.H.Hamilton, R.Soundranayagam, R.B.Piercey, J.M.Finn, W.Bertozzi, H.Baghaei, C.Hyde-Wright, T.Buti Inconsistency of Hexadecapole Matrix Elements for 180Hf as Extracted from Nuclear and Leptonic Scattering NUCLEAR REACTIONS 180Hf(e, e), (e, e'), E=115-280 MeV; measured σ vs momentum transfer. 180Hf levels deduced transition matrix elements.
doi: 10.1088/0305-4616/14/10/003
1988NE07 J.Phys.(London) G14, L223 (1988) W.G.Nettles, A.V.Ramayya, J.H.Hamilton, R.Soundranayagam, H.Yamada, T.Humanic, J.X.Saladin, A.Hussein, R.B.Piercey, R.M.Ronningen Coulomb-Nuclear Interference Measurements of Hexadecapole Deformations in 168Yb and 178,180Hf NUCLEAR REACTIONS 168Yb, 178,180Hf(α, α'), E=18-19.5 MeV; measured σ(θ) following Coulomb excitation; deduced Coulomb-nuclear interference. 178,180Hf, 168Yb levels deduced deformations, transition matrix elements. Coupled-channels analyses.
doi: 10.1088/0305-4616/14/10/004
1986BA64 J.Phys.(London) G12, L295 (1986) M.E.Barclay, L.Cleemann, A.V.Ramayya, J.H.Hamilton, C.F.Maguire, W.C.Ma, R.Soundranayagam, K.Zhao, A.Balanda, J.D.Cole, R.B.Piercey, A.Faessler, S.Kuyucak g-Factor Measurements in 68Ge and Evidence for Higher Multipole Forces NUCLEAR STRUCTURE 68Ge; calculated levels, g, B(E2). Two-quasiparticle plus interacting boson model. NUCLEAR REACTIONS 40Ca(32S, 4p), E=115 MeV; 12C(58Ni, 2p), E=160 MeV; measured recoil ion precession in external magnetic field. 68Ge levels deduced g, B(E2).
doi: 10.1088/0305-4616/12/12/006
1986SC30 Phys.Rev. C34, 1962 (1986) O.Scholten, R.M.Ronningen, A.Y.Ahmed, G.O.Bomar, H.L.Crowell, J.H.Hamilton, H.Kawakami, C.F.Maguire, W.G.Nettles, R.B.Piercey, A.V.Ramayya, R.Soundranayagam, P.H.Stelson Mass Dependence of Effective Charges in the Interacting-Boson Model NUCLEAR REACTIONS 144,146,148,150Nd(α, α'), E not given; measured Coulomb excitation. 144,146,148,150Nd levels deduced B(E2). Magnetic spectrometer. Interacting boson model. NUCLEAR STRUCTURE 142,144,146,148,150Nd; calculated B(E2), effective charges. Interacting boson model.
doi: 10.1103/PhysRevC.34.1962
1985HA30 Phys.Rev. C32, 1897 (1985) P.S.Haskins, F.E.Dunnam, R.L.Coldwell, A.C.Rester, R.B.Piercey, M.L.Muga, H.A.Van Rinsvelt, R.W.Smart, H.J.M.Aarts, J.D.Fox, L.C.Dennis, C.B.Saw In-Beam Gamma-Ray Spectroscopy of 82Sr NUCLEAR REACTIONS 70Ge(16O, 2n2p), E=80 MeV; measured Eγ, Iγ, γγ(t), γ(θ), polarization. 82Sr deduced levels, J, π, δ.
doi: 10.1103/PhysRevC.32.1897
1985PI08 Phys.Rev. C32, 625 (1985) R.B.Piercey, A.C.Rester, J.H.Hamilton, A.V.Ramayya, H.K.Carter, R.L.Robinson, H.J.Kim, J.C.Wells, J.Lin Near-Spherical Band in 76Kr Observed in the β Decay of Mass Separated 76Rb RADIOACTIVITY 76Rb(β+) [from Ni(20Ne, xn), E=112 MeV]; measured Eγ, Iγ, γγ-coin. 76Kr deduced levels, J, π, γ-branching. NUCLEAR REACTIONS Ni(20Ne, xn), E=112 MeV; measured Eγ, Iγ, γγ-coin following 76Rb β+-decay. 76Kr deduced levels, J, π, γ-branching.
doi: 10.1103/PhysRevC.32.625
1985WE10 J.Phys.(London) G11, L173 (1985) S.Wen, A.V.Ramayya, S.J.Robinson, C.F.Maguire, W.C.Ma, X.Zhao, T.M.Cormier, P.M.Stwertka, J.D.Cole, E.F.Zganjar, R.B.Piercey, M.A.Herath-Banda, J.Eberth, M.Wiosna First Cascades in 73Br and High-Spin States in 75Br NUCLEAR REACTIONS 54Fe(28Si, xnyp), E=128 MeV; measured Eγ, Iγ, γ(fragment)-coin. 73,75Br deduced levels, J, π, γ-branching, band structure.
doi: 10.1088/0305-4616/11/9/007
1984HA19 J.Phys.(London) G10, L87 (1984) J.H.Hamilton, A.V.Ramayya, C.F.Maguire, R.B.Piercey, R.Bengtsson, P.Moller, J.R.Nix, Jing-ye Zhang, R.L.Robinson, S.Frauendorf Effects of Reinforcing Shell Gaps on the Competition between Spherical and Highly Deformed Shapes NUCLEAR STRUCTURE A=70-80, 100; analyzed data systematics; deduced neutron, proton shell gap reinforcement, nuclear shape coexistence in the A=75 region.
doi: 10.1088/0305-4616/10/5/001
1984MA06 Phys.Rev.Lett. 52, 743 (1984) C.F.Maguire, G.L.Bomar, M.E.Barclay, R.B.Piercey, A.V.Ramayya, J.L.C.Ford, Jr., D.Shapira, E.R.Flynn, J.D.Moses, J.C.Peng, N.Stein Systematic Spectroscopic-Factor Discrepancy in Heavy-Ion Proton-Pickup Reactions on 40Ca NUCLEAR REACTIONS 40Ca(10B, 11C), E=31 MeV; 40Ca(14C, 15N), E=41 MeV; measured σ(θ); deduced optical model parameters. 39K levels deduced spectroscopic factor reaction dependence. DWBA analysis, other data input.
doi: 10.1103/PhysRevLett.52.743
1984MA32 Phys.Rev.Lett. 53, 548 (1984) C.F.Maguire, G.L.Bomar, L.Cleemann, J.H.Hamilton, R.B.Piercey, J.C.Peng, N.Stein, P.D.Bond Unexpected Backward-Angle Enhancement in 19F + 12C Scattering NUCLEAR REACTIONS 19F(12C, 12C), (12C, 12C'), E(cm) ≈ 7-25 MeV; measured σ(θ) vs E; deduced resonance structure.
doi: 10.1103/PhysRevLett.53.548
1984RO01 J.Phys.(London) G10, L25 (1984) J.Roth, L.Cleemann, J.Eberth, T.Heck, W.Neumann, M.Nolte, R.B.Piercey, A.V.Ramayya, J.H.Hamilton Two Discontinuities of the Moment of Inertia in the 74Kr Yrast Levels at High Spin NUCLEAR REACTIONS 58Ni(19F, 2np), E=56-68 MeV; measured nγ-, nnγ-, n(ce)-coin, nγ(θ), γ(θ), recoil distance Doppler shift. 74Kr deduced levels, J, π, T1/2, yrast bands, rotation aligned band crossing effects, γ-branching.
doi: 10.1088/0305-4616/10/1/006
1983YA03 Phys.Lett. 128B, 33 (1983) H.Yamada, A.Ahmed, H.Banda, J.H.Hamilton, C.F.Maguire, R.B.Piercey, A.V.Ramayya, S.A.Hjorth, D.C.Hensley, J.D.Cole, G.A.Leander Eγ - Eγ Correlations from Partial Fusion Reactions NUCLEAR REACTIONS 154Sm(14N, xnp), (14N, xnd), (14N, xnt)157Er/158Er/159Er, E=167 MeV; measured γγ energy correlations, (particle)γ-coin. 158Er deduced rotational band structure. Partial fusion reaction.
doi: 10.1016/0370-2693(83)90068-0
1982PI01 Phys.Rev. C25, 1941 (1982) R.B.Piercey, A.V.Ramayya, J.H.Hamilton, X.J.Sun, Z.Z.Zhao, R.L.Robinson, H.J.Kim, J.C.Wells Collective Band Structure to High Spin and Shape Coexistence in 76Kr NUCLEAR REACTIONS 66Zn(12C, 2n), E=39 MeV; measured Eγ, Iγ, γ(θ), recoil, DSA, γγ-coin. 76Kr deduced levels, J, π, B(E2), δ, γ-branching, rotational bands.
doi: 10.1103/PhysRevC.25.1941
1982RO07 Phys.Rev. C26, 97 (1982) R.M.Ronningen, R.S.Grantham, J.H.Hamilton, R.B.Piercey, A.V.Ramayya, B.van Nooijen, H.Kawakami, W.Lourens, R.S.Lee, W.K.Dagenhart, L.L.Riedinger Reduced Transition Probabilities of Vibrational States in 156,158Dy, 162,164Er, and 168Yb NUCLEAR REACTIONS 156,158Dy, 162,164Er, 168Yb(α, α'), E=12-16 MeV; measured σ. 156,158Dy, 162,164Er, 168Yb levels deduced B(λ). Enriched targets.
doi: 10.1103/PhysRevC.26.97
1982SO04 Phys.Rev. C25, 1575 (1982) R.Soundranayagam, R.B.Piercey, A.V.Ramayya, J.H.Hamilton, A.Y.Ahmed, H.Yamada, C.F.Maguire, G.L.Bomar, R.L.Robinson, H.J.Kim Band Structure in 66Ge NUCLEAR REACTIONS 58Ni(10B, np), E=31 MeV; measured Eγ, Iγ, γ(θ), oriented nuclei. 66Ge deduced levels, J, π, γ-branching, rotational bands. Two-quasiparticle plus rotor model, interacting boson approximation calculations.
doi: 10.1103/PhysRevC.25.1575
1981AH03 Phys.Rev. C24, 1486 (1981) A.Ahmed, A.V.Ramayya, D.L.Sastry, J.H.Hamilton, R.B.Piercey, H.Kawakami, A.P.de Lima, C.F.Maguire, R.L.Robinson, H.J.Kim, J.C.Wells, A.C.Rester Level Structure of 70Se NUCLEAR REACTIONS 58Ni(14N, pn), E=38 MeV; measured Eγ, Iγ, γ(θ), γγ(θ), oriented nuclei. 70Se deduced levels, J, π, δ, γ-branching. Interacting boson model.
doi: 10.1103/PhysRevC.24.1486
1981DE03 Phys.Rev. C23, 213 (1981); Erratum Phys.Rev. C23, 2380 (1981) A.P.de Lima, A.V.Ramayya, J.H.Hamilton, B.Van Nooijen, R.M.Ronningen, H.Kawakami, R.B.Piercey, E.de Lima, R.L.Robinson, H.J.Kim, L.K.Peker, F.A.Rickey, R.Popli, A.J.Caffrey, J.C.Wells Multiple Band Structures in 68Ge NUCLEAR REACTIONS 58Ni(12C, 2p), E=39 MeV; 63Cu(7Li, 2n), E=18 MeV; 52Cr(19F, 2np), E=50 MeV; measured Eγ, Iγ, γ(θ), γγ(θ), oriented nuclei, DSA, linear polarization. 68Ge deduced levels, J, π, δ, T1/2, rotational band structure. Interacting boson, rotation-aligned models.
doi: 10.1103/PhysRevC.23.213
1981GR10 Phys.Scr. 24, 337 (1981) E.Grosse, A.Balanda, H.Emling, F.Folkmann, P.Fuchs, R.B.Piercey, D.Schwalm, R.S.Simon, H.J.Wollersheim, D.Evers, H.Ower Collective Rotation of 238U at High Spins NUCLEAR REACTIONS 238U(208Pb, 208Pb'), E=5.3, 5.9 MeV/nucleon; measured Eγ, Iγ, γγ-coin, Coulomb excitation, DSA. 238U deduced ground state band B(E2), T1/2, octupole bands, high-spin state collectivity. Rigid rotor description.
doi: 10.1088/0031-8949/24/1B/033
1981PI01 Phys.Rev.Lett. 46, 415 (1981) R.B.Piercey, J.H.Hamilton, A.V.Ramayya, H.Emling, P.Fuchs, E.Grosse, D.Schwalm, H.J.Wollersheim, N.Trautmann, A.Faessler, M.Ploszajczak Anomalous Behavior of High-Spin States in 248Cm NUCLEAR REACTIONS 248Cm(208Pb, 208Pb'), E=5.3 MeV/nucleon; measured Eγ, Iγ, multiple Coulomb excitation, target recoil. 248Cm levels deduced effective moment of inertia vs spin, forward bend at high-spins. Cranked HFB model.
doi: 10.1103/PhysRevLett.46.415
1981PI12 Phys.Rev.Lett. 47, 1514 (1981) R.B.Piercey, J.H.Hamilton, R.Soundranayagam, A.V.Ramayya, C.F.Maguire, X.-J.Sun, Z.Z.Zhao, R.L.Robinson, H.J.Kim, S.Frauendorf, J.Doring, L.Funke, G.Winter, J.Roth, L.Cleemann, J.Eberth, W.Neumann, J.C.Wells, J.Lin, A.C.Rester, H.K.Carter Evidence for Deformed Ground States in Light Kr Isotopes RADIOACTIVITY 76Rb [from Ni(20Ne, xn), E=112 MeV]; measured γγ-coin. 76Kr deduced levels. NUCLEAR REACTIONS 60Ni(16O, 2n), E=45 MeV; 66Zn(12C, 2n), E=39 MeV; 58Ni(19F, 2np), E=68 MeV; measured DSA, in-beam γ-spectroscopy. 74,76Kr deduced levels, yrast cascade B(E2), moments of inertia, shape coexistence. 76Kr levels deduced T1/2.
doi: 10.1103/PhysRevLett.47.1514
1981SA13 Phys.Rev. C23, 2086 (1981) D.L.Sastry, A.Ahmed, A.V.Ramayya, R.B.Piercey, H.Kawakami, R.Soundranayagam, J.H.Hamilton, C.F.Maguire, A.P.de Lima, S.Ramavataram, R.L.Robinson, H.J.Kim, J.C.Wells Band Structure in 80Kr NUCLEAR REACTIONS 70Zn(12C, 2n), E=33-38.4 MeV; measured Eγ, Iγ, γ(θ), oriented nuclei. 80Kr deduced levels, J, π, γ-branching. Two-quasiparticle plus rotor model.
doi: 10.1103/PhysRevC.23.2086
1981WE07 Phys.Rev. C24, 171 (1981) J.C.Wells, R.L.Robinson, H.J.Kim, R.O.Sayer, R.B.Piercey, A.V.Ramayya, J.H.Hamilton, C.F.Maguire, K.Kumar, R.W.Eastes, M.E.Barclay, A.J.Caffrey High-Spin States and Band Structure in 76Br NUCLEAR REACTIONS 66Zn(12C, pn), E=38 MeV; measured Eγ, Iγ, γ(θ), linear polarization, γγ-coin. 76Br deduced levels, J, π, δ, γ-branching, rotational band structure. Enriched target, large-volume Ge(Li) detector.
doi: 10.1103/PhysRevC.24.171
1980MA31 Phys.Rev. C22, 1097 (1980) C.F.Maguire, G.L.Bomar, A.V.Ramayya, R.B.Piercey, J.L.C.Ford, Jr., J.G.del Campo, D.Shapira, D.Hensley Comparison of the Single-Proton Pickup Reactions 40Ca(11B, 12C)39K and 40Ca(13C, 14N)39K at Low and High Bombarding Energies NUCLEAR REACTIONS 40Ca(11B, 12C), E=32, 68 MeV; 40Ca(13C, 14N), E=40, 68 MEV; 40Ca(11B, 11B), E=32 MeV; measured σ(θ); deduced optical model parameters. 39K levels deduced S. DWBA analysis.
doi: 10.1103/PhysRevC.22.1097
1980RO02 Phys.Rev. C21, 603 (1980) R.L.Robinson, H.J.Kim, R.O.Sayer, W.T.Milner, R.B.Piercey, J.H.Hamilton, A.V.Ramayya, J.C.Wells, Jr., A.J.Caffrey High-Spin Levels and Band Structure in 78Kr NUCLEAR REACTIONS 68Zn(12C, 2n), E=33-38 MeV; measured Eγ, Iγ, γ(θ), Doppler broadening, linear polarization. 78Kr levels deduced J, π, δ, γ-branching, T1/2.
doi: 10.1103/PhysRevC.21.603
1980WE07 Phys.Rev. C22, 1126 (1980) J.C.Wells, Jr., R.L.Robinson, H.J.Kim, R.O.Sayer, R.B.Piercey, A.V.Ramayya, J.H.Hamilton, C.F.Maguire High-Spin States and Band Structure in 76Se NUCLEAR REACTIONS 71Ga(7Li, 2n), E=15-22 MeV; measured Eγ, Iγ, γ(θ), γγ(θ), γγ-coin, σ(Eγ). 76Se deduced levels, J, π, δ, T1/2, γ-branching.
doi: 10.1103/PhysRevC.22.1126
1979DE12 Phys.Lett. 83B, 43 (1979) A.P.de Lima, J.H.Hamilton, A.V.Ramayya, B.van Nooijen, R.M.Ronningen, H.Kawakami, R.B.Piercey, E.de Lima, R.L.Robinson, H.J.Kim, W.K.Tuttle, L.K.Peker, F.A.Rickey, R.Popli Evidence for Ground and Both Neutron and Proton Rotational Aligned Bands in 68Ge NUCLEAR REACTIONS 58Ni(12C, 2pγ), E=39 MeV; measured γ(θ), γγ-coin, T1/2. 63Cu(7Li, 2nγ), E=26 MeV; measured γ(θ). 68Ge deduced levels, branching of yrast band. Rotational aligned model calculations.
doi: 10.1016/0370-2693(79)90884-0
1979PI05 Phys.Rev. C19, 1344 (1979) R.B.Piercey, A.V.Ramayya, R.M.Ronningen, J.H.Hamilton, V.Maruhn-Rezwani, R.L.Robinson, H.J.Kim In-Beam Gamma-Ray Spectroscopy of 74Se Following the 60Ni(16O, 2p), 64Ni(12C, 2n) and 65Cu(11B, 2n) Reactions NUCLEAR REACTIONS 60Ni(16O, 2p), E=45 MeV; 64Ni(12C, 2n), E=39 MeV; 65Cu(11B, 2n), E=29 MeV; measured γγ-coin, γ(θ), DSA, γγ(θ), oriented nuclei. 74Se deduced levels, T1/2, J, π, δ.
doi: 10.1103/PhysRevC.19.1344
1978WE15 Phys.Rev. C18, 2162 (1978) J.C.Wells, Jr., R.L.Robinson, H.J.Kim, R.O.Sayer, A.J.Caffrey, R.B.Piercey Linear Polarization Measurements of γ Rays from 64Zn NUCLEAR REACTIONS 59Co(7Li, 2nγ), E=18 MeV; measured γ-polarization. 64Zn levels deduced J, π, δ.
doi: 10.1103/PhysRevC.18.2162
1977RO16 Phys.Rev. C16, 571 (1977) R.M.Ronningen, R.B.Piercey, A.V.Ramayya, J.H.Hamilton, S.Raman, P.H.Stelson, W.K.Dagenhart Coulomb Excitation of 2+ and 3- States in 192Pt and 194Pt NUCLEAR REACTIONS 192,194Pt(α, α'), E=14.9 MeV; measured Coulomb excitation. 192,194Pt levels deduced B(E2), B(E3). Enriched targets.
doi: 10.1103/PhysRevC.16.571
1977RO27 Phys.Rev. C16, 2218 (1977) R.M.Ronningen, R.B.Piercey, J.H.Hamilton, C.F.Maguire, A.V.Ramayya, H.Kawakami, B.van Nooijen, R.S.Grantham, W.K.Dagenhart, L.L.Riedinger Coulomb Excitation Measurements of Reduced E2 and E4 Transition Matrix Elements in 156,158Dy, 162,164Er, and 168Yb NUCLEAR REACTIONS 156,158Dy, 162,164Er, 168Yb(α, α'), E=12-13 MeV; measured Coulomb excitation σ(E). 156,158Dy, 162,164Er, 168Yb deduced β2, β4. Enriched targets.
doi: 10.1103/PhysRevC.16.2218
1976PI07 Phys.Rev.Lett. 37, 496 (1976) R.B.Piercey, A.V.Ramayya, R.M.Ronningen, J.H.Hamilton, R.L.Robinson, H.J.Kim Evidence for an Octupole Rotational Band in 74Se NUCLEAR REACTIONS 60Ni(16O, 2nγ), E=45 MeV; 64Ni(12C, 2nγ); measured σ(Eγ, θ), DSA, γγ-coin. 74Se deduced levels, K, J, π, T1/2, B(E2), β.
doi: 10.1103/PhysRevLett.37.496
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