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NSR database version of April 11, 2024.

Search: Author = R.B.Piercey

Found 48 matches.

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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=σLT 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), σLT, longitudinal and transverse nucleon structure function. High momentum spectrometer (HMS) at CEBAF accelerator (JLab).

doi: 10.1103/PhysRevC.105.065205
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13749.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13807.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13749.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13746.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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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