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NSR database version of May 24, 2024.

Search: Author = J.Walker

Found 62 matches.

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2024TA04      Nucl.Data Sheets 193, 131 (2024)

A.S.Tamashiro, J.T.Harke, J.G.Duarte, Y.Mishnayot, S.Burcher, S.W.Padgett, P.Zhao, B.D.Pierson, N.Gharibyan, J.M.Goda, L.R.Greenwood, D.K.Hayes, J.Hutchinson, N.Harward, K.Roberts, G.Slavik, P.Yap-Chiongco, J.Walker, C.J.Palmer

237Np Fission Spectrum Cumulative Fission Product Yield Measurement Using Godiva IV Critical Assembly

NUCLEAR REACTIONS 237Np(n, F)88Kr/91Sr/92Sr/93Y/95Zr/97Zr/99Mo/103Ru/105Ru/105Rh/127Sn/128Sn/129Sb/130Sb/131mTe/132Te/133mTe/134Te/131I/133I/135I/139Ba/140Ba/141La/142La/143Ce/151Pm, E<10 MeV; measured reaction products, Eγ, Iγ; deduced precise integral measurement of fast neutron-induced fission product yields. Comparison with England and Rider's evaluation. Godiva IV is a critical assembly composed of unreflected highly enriched uranium (HEU) metal fuel.

doi: 10.1016/j.nds.2024.01.006
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2021HA40      Nucl.Sci.Eng. 195, S37 (2021)

D.Hayes, T.Bredeweg, T.Cutler, J.Goda, T.Grove, J.Hutchinson, J.Lamproe, G.McKenzie, A.McSpaden, W.Myers, R.Sanchez, J.Walker

A New Era of Nuclear Criticality Experiments: The First 10 Years of Flattop Operations at NCERC

doi: 10.1080/00295639.2021.1947104
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2021HU22      Nucl.Sci.Eng. 195, S80 (2021)

J.Hutchinson, J.Bounds, T.Cutler, D.Dinwiddie, J.Goda, T.Grove, D.Hayes, G.McKenzie, A.McSpaden, J.Miller, W.Myers, E.Andres O.Ferrer, R.Sanchez, T.Smith, K.Stults, N.Thompson, J.Walker

A New Era of Nuclear Criticality Experiments: The First 10 Years of Radiation Test Object Operations at NCERC

doi: 10.1080/00295639.2021.1918938
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2021SA45      Nucl.Sci.Eng. 195, S1 (2021)

R.Sanchez, T.Cutler, J.Goda, T.Grove, D.Hayes, J.Hutchinson, G.McKenzie, A.McSpaden, W.Myers, R.Rico, J.Walker, R.Weldon

A New Era of Nuclear Criticality Experiments: The First 10 Years of Planet Operations at NCERC

doi: 10.1080/00295639.2021.1951077
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2021TH11      Nucl.Sci.Eng. 195, S17 (2021)

N.Thompson, R.Sanchez, J.Goda, K.Amundson, T.Cutler, T.Grove, D.Hayes, J.Hutchinson, C.Kostelac, G.McKenzie, A.McSpaden, W.Myers, J.Walker

A New Era of Nuclear Criticality Experiments: The First 10 Years of Comet Operations at NCERC

doi: 10.1080/00295639.2021.1947105
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2018DE07      Phys.Rev. D 97, 035009 (2018)

J.B.Dent, B.Dutta, S.Liao, J.L.Newstead, L.E.Strigari, J.W.Walker

Accelerator and reactor complementarity in coherent neutrino-nucleus scattering

doi: 10.1103/PhysRevD.97.035009
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2013LA11      Phys.Rev. C 87, 034308 (2013)

S.Lalkovski, A.M.Bruce, A.Jungclaus, M.Gorska, M.Pfutzner, L.Caceres, F.Naqvi, S.Pietri, Zs.Podolyak, G.S.Simpson, K.Andgren, P.Bednarczyk, T.Beck, J.Benlliure, G.Benzoni, E.Casarejos, B.Cederwall, F.C.L.Crespi, J.J.Cuenca-Garcia, I.J.Cullen, A.M.D.Bacelar, P.Detistov, P.Doornenbal, G.F.Farrelly, A.B.Garnsworthy, H.Geissel, W.Gelletly, J.Gerl, J.Grebosz, B.Hadinia, M.Hellstrom, C.Hinke, R.Hoischen, G.Ilie, G.Jaworski, J.Jolie, A.Khaplanov, S.Kisyov, M.Kmiecik, I.Kojouharov, R.Kumar, N.Kurz, A.Maj, S.Mandal, V.Modamio, F.Montes, S.Myalski, M.Palacz, W.Prokopowicz, P.Reiter, P.H.Regan, D.Rudolph, H.Schaffner, D.Sohler, S.J.Steer, S.Tashenov, J.Walker, P.M.Walker, H.Weick, E.Werner-Malento, O.Wieland, H.J.Wollersheim, M.Zhekova

Core-coupled states and split proton-neutron quasiparticle multiplets in 122-126Ag

NUCLEAR REACTIONS 9Be(136Xe, X), (238U, F), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γ(t), half-lives of isomers. FRS separator and RISING array at GSI facility. 122,123,124,125,126Ag; deduced high-spin levels, isomers, total conversion coefficients, multipolarity, J, π, B(E2). Level systematics of odd-A Ag nuclei with N=50-82. Comparison with shell-model calculations.

NUCLEAR STRUCTURE 123,124,125,126,127,128,129Ag; calculated levels, J, π by shell-model using jj45pna interaction.

doi: 10.1103/PhysRevC.87.034308
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2012FI02      Phys.Rev. C 85, 034334 (2012)

E.Fiori, G.Georgiev, A.E.Stuchbery, A.Jungclaus, D.L.Balabanski, A.Blazhev, S.Cabaret, E.Clement, M.Danchev, J.M.Daugas, S.Grevy, M.Hass, V.Kumar, J.Leske, R.Lozeva, S.Lukyanov, T.J.Mertzimekis, V.Modamio, B.Mouginot, F.Nowacki, Yu.E.Penionzhkevich, L.Perrot, N.Pietralla, K.Sieja, K.-H.Speidel, I.Stefan, C.Stodel, J.C.Thomas, J.Walker, K.O.Zell

First g(2+) measurement on neutron-rich 72Zn, and the high-velocity transient field technique for radioactive heavy-ion beams

NUCLEAR REACTIONS 208Pb, Gd(76Ge, X), E=37.8 MeV/nucleon; Gd(72Zn, X), [secondary 72Zn beam from Al(76Ge, X), E=59 MeV/nucleon], E=36.5 MeV/nucleon; measured Eγ, Iγ, γγ-coin, angular correlations, precession angles. 72Zn, 76Ge; deduced levels, J, π, g factors. Systematics and large-scale shell-model calculations of level energies, B(E2), and g factors of first 2+ states in A=64-80 even-even Zn isotopes. Evidence for predicted transition in the structure of the Zn isotopes near N=40.

NUCLEAR MOMENTS 76Ge, 72Zn; measured g factors of first 2+ states with high-velocity transient-field (HVTF) technique. Systematics and large-scale shell-model calculations of g factors of first 2+ states in A=64-80 even-even Zn isotopes.

doi: 10.1103/PhysRevC.85.034334
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2011JU01      Phys.Lett. B 695, 110 (2011)

A.Jungclaus, J.Walker, J.Leske, K.-H.Speidel, A.E.Stuchbery, M.East, P.Boutachkov, J.Cederkall, P.Doornenbal, J.L.Egido, A.Ekstrom, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

Evidence for reduced collectivity around the neutron mid-shell in the stable even-mass Sn isotopes from new lifetime measurements

NUCLEAR REACTIONS C, Gd, Cu(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), (118Sn, 118Sn'), (120Sn, 120Sn'), (122Sn, 122Sn'), (124Sn, 124Sn'), E=4 MeV/nucleon; measured Eγ, Iγ, particle-γ coin. 112,114,116,118,120,122,124Sn; deduced energy levels, lifetimes, B(E2). Comparison with shell model calculations.

doi: 10.1016/j.physletb.2010.11.012
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2011JU06      J.Phys.:Conf.Ser. 312, 092033 (2011)

A.Jungclaus, J.Walker, J.Leske, K.-H.Speidel, A.E.Stuchbery, M.East, P.Boutachkov, J.Cederkall, P.Doornenbal, J.L.Egido, A.Ekstrom, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

New lifetime measurements in the stable semimagic Sn isotopes using the Doppler-shift attenuation technique

NUCLEAR REACTIONS C, Cu, Gd, Ta(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), E=4.0 MeV/nucleon;C, Cu, Gd, Ta(122Sn, 122Sn'), E=3.8 Mev/nucleon; measured Coulomb excitation Eγ, Iγ, (particle)γ-coin, (particle)(particle)-coin using Doppler-shift attenuation; deduced B(E2). Compared to other data; also deduced T1/2, but the values not given here.

doi: 10.1088/1742-6596/312/9/092033
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2011PI05      Phys.Rev. C 83, 044328 (2011)

S.Pietri, A.Jungclaus, M.Gorska, H.Grawe, M.Pfutzner, L.Caceres, P.Detistov, S.Lalkovski, V.Modamio, Z.Podolyak, P.H.Regan, D.Rudolph, J.Walker, E.Werner-Malento, P.Bednarczyk, P.Doornenbal, H.Geissel, J.Gerl, J.Grebosz, I.Kojouharov, N.Kurz, W.Prokopowicz, H.Schaffner, H.J.Wollersheim, K.Andgren, J.Benlliure, G.Benzoni, A.M.Bruce, E.Casarejos, B.Cederwall, F.C.L.Crespi, B.Hadinia, M.Hellstrom, R.Hoischen, G.Ilie, A.Khaplanov, M.Kmiecik, R.Kumar, A.Maj, S.Mandal, F.Montes, S.Myalski, G.Simpson, S.J.Steer, S.Tashenov, O.Wieland

First observation of the decay of a 15- seniority ν=4 isomer in 128Sn

NUCLEAR REACTIONS 9Be(136Xe, X), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, half-lives by γγ(t). 128,129,130Sn; deduced levels, J, π, B(E2), B(E3) strengths. Systematics of B(E2) strengths for transitions in A=124-130 Sn nuclei from 7-, 15-, 23/2+ and 27/2- isomers. Comparison with state-of-the-art shell model calculations.

doi: 10.1103/PhysRevC.83.044328
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2011WA15      Phys.Rev. C 84, 014319 (2011)

J.Walker, A.Jungclaus, J.Leske, K.-H.Speidel, A.Ekstrom, P.Boutachkov, J.Cederkall, P.Doornenbal, J.Gerl, R.Gernhauser, N.Goel, M.Gorska, I.Kojouharov, P.Maier-Komor, V.Modamio, F.Naqvi, N.Pietralla, S.Pietri, W.Prokopowicz, H.Schaffner, R.Schwengner, H.-J.Wollersheim

Magnetic moments of the first excited 2+ states in the semi-magic 112, 114, 116, 122, 124Sn isotopes

NUCLEAR MOMENTS 112,114,116,122,124Sn; measured g factors of the first 2+, 4+ and 3- states by transient field technique in Coulomb excitation in inverse kinematics. Comparisons with shell-model and other theoretical calculations.

NUCLEAR REACTIONS 12C(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), E=4 MeV/nucleon; 12C(122Sn, 122Sn'), (124Sn, 124Sn'), E=3.8 MeV/nucleon; measured Eγ, Iγ, (12C)γ-coin, (12C)γγ(θ), precession angles. 112,114,116,122,124Sn; deduced g-factors, configurations. Comparison with RQRPA, QRPA, and shell-model calculations. 12C(124Sn, X)130Xe/126Te/128Te, E=3.8 MeV/nucleon; measured Eγ, Iγ.

doi: 10.1103/PhysRevC.84.014319
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2010AT03      Europhys.Lett. 91, 42001 (2010)

L.Atanasova, D.L.Balabanski, S.K.Chamoli, M.Hass, G.S.Simpson, D.Bazzacco, F.Becker, P.Bednarczyk, G.Benzoni, N.Blasi, A.Blazhev, A.Bracco, C.Brandau, L.Caceres, F.Camera, F.C.L.Crespi, P.Detistov, P.Doornenbal, C.Fahlander, E.Farnea, G.Georgiev, J.Gerl, K.A.Gladnishki, M.Gorska, J.Grebosz, R.Hoischen, G.Ilie, M.Ionescu-Bujor, A.Iordachescu, A.Jungclaus, G.Lo Bianco, M.Kmiecik, I.Kojouharov, N.Kurz, S.Lakshmi, R.Lozeva, A.Maj, D.Montanari, G.Neyens, M.Pfutzner, S.Pietri, Zs.Podolyak, W.Prokopowicz, D.Rudolph, G.Rusev, T.R.Saito, A.Saltarelli, H.Schaffner, R.Schwengner, S.Tashenov, J.J.Valiente-Dobon, N.Vermeulen, J.Walker, E.Werner-Malento, O.Wieland, H.J.Wollersheim, H.Grawe, M.Hjorth-Jensen

g-factor measurements at RISING: The cases of 127Sn and 128Sn

NUCLEAR REACTIONS Be(136Xe, X)127Sn/128Sn, E=600 MeV/nucleon; measured reaction products, Larmor precession, Eγ, Iγ; deduced g factors for Sn isomers, J, π. Comparison with shell model calculations.

doi: 10.1209/0295-5075/91/42001
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2010DO03      Nucl.Instrum.Methods Phys.Res. A613, 218 (2010)

P.Doornenbal, P.Reiter, H.Grawe, T.Saito, A.Al-Khatib, A.Banu, T.Beck, F.Becker, P.Bednarczyk, G.Benzoni, A.Bracco, A.Burger, L.Caceres, F.Camera, S.Chmel, F.C.L.Crespi, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, H.Hubel, M.Kavatsyuk, O.Kavatsyuk, M.Kmiecik, I.Kojouharov, N.Kurz, R.Lozeva, A.Maj, S.Mandal, W.Meczynski, B.Million, Zs.Podolyak, A.Richard, N.Saito, H.Schaffner, M.Seidlitz, T.Striepling, J.Walker, N.Warr, H.Weick, O.Wieland, M.Winkler, H.J.Wollersheim

Lifetime effects for high-resolution gamma-ray spectroscopy at relativistic energies and their implications for the RISING spectrometer

NUCLEAR REACTIONS 9Be(37Ca, X)34Cl/31S, E=195.7 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energies, J, π, T1/2. 40Ca fragmentation beams.

doi: 10.1016/j.nima.2009.11.017
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2010IL01      Phys.Lett. B 687, 305 (2010)

G.Ilie, G.Neyens, G.S.Simpson, J.Jolie, A.Blazhev, H.Grawe, R.L.Lozeva, N.Vermeulen, L.Atanasova, D.L.Balabanski, F.Becker, P.Bednarczyk, C.Brandau, L.Caceres, S.K.Chamoli, J.M.Daugas, P.Doornenbal, J.Gerl, M.Gorska, J.Grebosz, M.Hass, M.Ionescu-Bujor, A.Jungclaus, M.Kmiecik, I.Kojouharov, N.Kurz, A.Maj, S.Mallion, O.Perru, M.Pfutzner, Zs.Podolyak, W.Prokopowicz, M.De Rydt, T.R.Saito, H.Schaffner, K.Turzo, J.Walker, E.Werner-Malento, H.J.Wollersheim

g Factor of the 7- isomer in 126Sn and first observation of spin-alignment in relativistic fission

NUCLEAR REACTIONS 9Be(238U, F), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, half-lives. 126Sn; deduced levels, J, π, g factor. Comparison with shell model calculations and adjacent isotope systematics.

doi: 10.1016/j.physletb.2010.03.033
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2010NA17      Phys.Rev. C 82, 034323 (2010)

F.Naqvi, M.Gorska, L.CAceres, A.Jungclaus, M.Pfutzner, H.Grawe, F.Nowacki, K.Sieja, S.Pietri, E.Werner-Malento, P.H.Regan, D.Rudolf, Z.Podolyak, J.Jolie, K.Andgren, T.Beck, P.Bednarczyk, J.Benlliure, G.Benzoni, A.M.Bruce, E.Casarejos, B.Cederwall, F.C.L.Crespi, P.Detistov, Zs.Dombradi, P.Doornenbal, H.Geissel, J.Gerl, J.Grebosz, B.Hadinia, M.Hellstrom, R.Hoischen, G.Ilie, A.Khaplanov, I.Kojouharov, M.Kmiecik, N.Kurz, S.Lalkovski, A.Maj, S.Mandal, V.Modamio, F.Montes, S.Myalski, W.Prokopowicz, P.Reiter, H.Schaffner, G.Simpson, D.Sohler, S.J.Steer, S.Tashenov, J.Walker, O.Wieland, H.J.Wollersheim

Isomer spectroscopy of 127Cd

NUCLEAR REACTIONS 9Be(136Xe, X), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, and isomer half-life by γ(t). 127Cd; deduced levels, J, π, multipolarity and transition strengths. Comparison with large-scale shell-model calculations.

doi: 10.1103/PhysRevC.82.034323
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2009CA02      Phys.Rev. C 79, 011301 (2009)

L.Caceres, M.Gorska, A.Jungclaus, M.Pfutzner, H.Grawe, F.Nowacki, K.Sieja, S.Pietri, D.Rudolph, Zs.Podolyak, P.H.Regan, E.Werner-Malento, P.Detistov, S.Lalkovski, V.Modamio, J.Walker, K.Andgren, P.Bednarczyk, J.Benlliure, G.Benzoni, A.M.Bruce, E.Casarejos, B.Cederwall, F.C.L.Crespi, P.Doornenbal, H.Geissel, J.Gerl, J.Grebosz, B.Hadinia, M.Hellstrom, R.Hoischen, G.Ilie, A.Khaplanov, M.Kmiecik, I.Kojouharov, R.Kumar, N.Kurz, A.Maj, S.Mandal, F.Montes, G.Martínez-Pinedo, S.Myalski, W.Prokopowicz, H.Schaffner, G.S.Simpson, S.J.Steer, S.Tashenov, O.Wieland, H.J.Wollersheim

Spherical proton-neutron structure of isomeric states in 128Cd

NUCLEAR REACTIONS 9Be(136Xe, X)128Cd, E=750 MeV/nucleon; 9Be(238U, X)128Cd, E=650 MeV/nucleon; measured Eγ, Iγ, (particle)γ-, γγ-coin, half-lives, internal conversion coefficients. 128Cd; deduced levels, J, π. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevC.79.011301
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2009GO40      Phys.Lett. B 672, 313 (2009)

M.Gorska, L.Caceres, H.Grawe, M.Pfutzner, A.Jungclaus, S.Pietri, E.Werner-Malento, Z.Podolyak, P.H.Regan, D.Rudolph, P.Detistov, S.Lalkovski, V.Modamio, J.Walker, T.Beck, P.Bednarczyk, P.Doornenbal, H.Geissel, J.Gerl, J.Grebosz, R.Hoischen, I.Kojouharov, N.Kurz, W.Prokopowicz, H.Schaffner, H.Weick, H.-J.Wollersheim, K.Andgren, J.Benlliure, G.Benzoni, A.M.Bruce, E.Casarejos, B.Cederwall, F.C.L.Crespi, B.Hadinia, M.Hellstrom, G.Ilie, A.Khaplanov, M.Kmiecik, R.Kumar, A.Maj, S.Mandal, F.Montes, S.Myalski, G.S.Simpson, S.J.Steer, S.Tashenov, O.Wieland, Zs.Dombradi, P.Reiter, D.Sohler

Evolution of the N = 82 shell gap below 132Sn inferred from core excited states in 131In

NUCLEAR REACTIONS Be(136Xe, X)131In, E=750 MeV/nucleon; Be(238U, X)131In, E=750 MeV/nucleon; measured Eγ, Iγ; deduced high-spin isomer T1/2, B(E1), B(E2), B(M1) limits, J, π, level scheme. Shell model calculations, RISIND-FRS setup.

doi: 10.1016/j.physletb.2009.01.027
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2009WI02      Phys.Rev.Lett. 102, 092502 (2009)

O.Wieland, A.Bracco, F.Camera, G.Benzoni, N.Blasi, S.Brambilla, F.C.L.Crespi, S.Leoni, B.Million, R.Nicolini, A.Maj, P.Bednarczyk, J.Grebosz, M.Kmiecik, W.Meczynski, J.Styczen, T.Aumann, A.Banu, T.Beck, F.Becker, L.Caceres, P.Doornenbal, H.Emling, J.Gerl, H.Geissel, M.Gorska, O.Kavatsyuk, M.Kavatsyuk, I.Kojouharov, N.Kurz, R.Lozeva, N.Saito, T.Saito, H.Schaffner, H.J.Wollersheim, J.Jolie, P.Reiter, N.Warr, G.de Angelis, A.Gadea, D.Napoli, S.Lenzi, S.Lunardi, D.Balabanski, G.LoBianco, C.Petrache, A.Saltarelli, M.Castoldi, A.Zucchiatti, J.Walker, A.Burger

Search for the Pygmy Dipole Resonance in 68Ni at 600 MeV/nucleon

NUCLEAR REACTIONS Au(68Ni, 68Ni'), E=600 MeV/nucleon; measured Eγ, Iγ, photoabsorption cross section.

doi: 10.1103/PhysRevLett.102.092502
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2008LO07      Phys.Rev. C 77, 064313 (2008)

R.L.Lozeva, G.S.Simpson, H.Grawe, G.Neyens, L.A.Atanasova, D.L.Balabanski, D.Bazzacco, F.Becker, P.Bednarczyk, G.Benzoni, N.Blasi, A.Blazhev, A.Bracco, C.Brandau, L.Caceres, F.Camera, S.K.Chamoli, F.C.L.Crespi, J.-M.Daugas, P.Detistov, M.De Rydt, P.Doornenbal, C.Fahlander, E.Farnea, G.Georgiev, J.Gerl, K.A.Gladnishki, M.Gorska, J.Grebosz, M.Hass, R.Hoischen, G.Ilie, M.Ionescu-Bujor, A.Iordachescu, J.Jolie, A.Jungclaus, M.Kmiecik, I.Kojouharov, N.Kurz, S.P.Lakshmi, G.Lo Bianco, S.Mallion, A.Maj, D.Montanari, O.Perru, M.Pfutzner, S.Pietri, J.A.Pinston, Zs.Podolyak, W.Prokopowicz, D.Rudolph, G.Rusev, T.R.Saitoh, A.Saltarelli, H.Schaffner, R.Schwengner, S.Tashenov, K.Turzo, J.J.Valiente-Dobon, N.Vermeulen, J.Walker, E.Werner-Malento, O.Wieland, H.-J.Wollersheim

New sub-μs isomers in 125, 127, 129Sn and isomer systematics of 124-130Sn

NUCLEAR REACTIONS 9Be(136Xe, X), E=600 MeV/nucleon; 9Be(238U, X), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, multipolarities. 125,127,129Sn; deduced levels, J, π, half-lives of sub-υs states, B(E2). 124,125,126,127,128,129,130Sn; analyzed B(E2).

doi: 10.1103/PhysRevC.77.064313
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2008SA35      Phys.Lett. B 669, 19 (2008)

T.R.Saito, N.Saito, K.Starosta, J.Beller, N.Pietralla, H.J.Wollersheim, D.L.Balabanski, A.Banu, R.A.Bark, T.Beck, F.Becker, P.Bednarczyk, K.-H.Behr, G.Benzoni, P.G.Bizzeti, C.Boiano, A.Bracco, S.Brambilla, A.Brunle, A.Burger, L.Caceres, F.Camera, F.C.L.Crespi, P.Doornenbal, A.B.Garnsworthy, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, G.Hagemann, J.Jolie, M.Kavatsyuk, O.Kavatsyuk, T.Koike, I.Kojouharov, N.Kurz, J.Leske, G.Lo Bianco, A.Maj, S.Mallion, S.Mandal, M.Maliage, T.Otsuka, C.M.Petrache, Zs.Podolyak, W.Prokopowicz, G.Rainovski, P.Reiter, A.Richard, H.Schaffner, S.Schielke, G.Sletten, N.J.Thompson, D.Tonev, J.Walker, N.Warr, O.Wieland, Q.Zhong

Yrast and non-yrast 2+ states of 134Ce and 136Nd populated in relativistic Coulomb excitation

NUCLEAR REACTIONS Au(134Ce, 134CE'), (136ND, 136ND'), E≈ 126 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin. 134Ce, 136Nd; deduced B(E2).

doi: 10.1016/j.physletb.2008.09.027
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2007DO11      Phys.Lett. B 647, 237 (2007)

P.Doornenbal, P.Reiter, H.Grawe, T.Otsuka, A.Al-Khatib, A.Banu, T.Beck, F.Becker, P.Bednarczyk, G.Benzoni, A.Bracco, A.Burger, L.Caceres, F.Camera, S.Chmel, F.C.L.Crespi, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, H.Hubel, M.Kavatsyuk, O.Kavatsyuk, M.Kmiecik, I.Kojouharov, N.Kurz, R.Lozeva, A.Maj, S.Mandal, W.Meczynski, B.Million, Zs.Podolyak, A.Richard, N.Saito, T.Saito, H.Schaffner, M.Seidlitz, T.Striepling, Y.Utsuno, J.Walker, N.Warr, H.Weick, O.Wieland, M.Winkler, H.J.Wollersheim

The T = 2 mirrors 36Ca and 36S: A test for isospin symmetry of shell gaps at the driplines

NUCLEAR REACTIONS 9Be(37Ca, X)36Ca, E=196 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 36Ca deduced excited state energy, mirror energy differences. Fragment separator, shell-model calculations.

doi: 10.1016/j.physletb.2007.02.001
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2007JU05      Phys.Rev.Lett. 99, 132501 (2007)

A.Jungclaus, L.Caceres, M.Gorska, M.Pfutzner, S.Pietri, E.Werner-Malento, H.Grawe, K.Langanke, G.Martinez-Pinedo, F.Nowacki, A.Poves, J.J.Cuenca-Garcia, D.Rudolph, Z.Podolyak, P.H.Regan, P.Detistov, S.Lalkovski, V.Modamio, J.Walker, P.Bednarczyk, P.Doornenbal, H.Geissel, J.Gerl, J.Grebosz, I.Kojouharov, N.Kurz, W.Prokopowicz, H.Schaffner, H.J.Wollersheim, K.Andgren, J.Benlliure, G.Benzoni, A.M.Bruce, E.Casarejos, B.Cederwall, F.C.L.Crespi, B.Hadinia, M.Hellstrom, R.Hoischen, G.Ilie, J.Jolie, A.Khaplanov, M.Kmiecik, R.Kumar, A.Maj, S.Mandal, F.Montes, S.Myalski, G.S.Simpson, S.J.Steer, S.Tashenov, O.Wieland

Observation of Isomeric Decays in the r-Process Waiting-Point Nucleus 130Cd82

RADIOACTIVITY 130Cd(IT) [from Be(136Xe, 6n), E=750 MeV/nucleon]; measured Eγ, Iγ, γγ-coinc. 130Cd deduced levels, J, π.

doi: 10.1103/PhysRevLett.99.132501
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2007NE10      Acta Phys.Pol. B38, 1237 (2007)

G.Neyens, L.Atanasova, D.L.Balabanski, F.Becker, P.Bednarczyk, L.Caceres, P.Doornenbal, J.Gerl, M.Gorska, J.Grebosz, M.Hass, G.Ilie, N.Kurz, I.Kojouharov, R.Lozeva, A.Maj, M.Pfutzner, S.Pietri, Zs.Podolyak, W.Prokopowicz, T.R.Saitoh, H.Schaffner, G.Simpson, N.Vermeulen, E.Werner-Malento, J.Walker, H.J.Wollersheim, D.Bazzacco, G.Benzoni, A.Blazhev, N.Blasi, A.Bracco, C.Brandau, F.Camera, S.K.Chamoli, S.Chmel, F.C.L.Crespi, J.M.Daugas, M.De Rydt, P.Detistov, C.Fahlander, E.Farnea, G.Georgiev, K.Gladnishki, R.Hoischen, M.Ionescu-Bujor, A.Iordachescu, J.Jolie, A.Jungclaus, M.Kmiecik, A.Krasznahorkay, R.Kulessa, S.Lakshmi, G.Lo Bianco, S.Mallion, K.Mazurek, W.Meczynski, D.Montanari, S.Myalsky, O.Perru, D.Rudolph, G.Rusev, A.Saltarelli, R.Schwengner, J.Styczen, K.Turzo, J.J.Valiente-Dobon, O.Wieland, M.Zieblinski

γ Factor Measurements on Relativistic Isomeric Beams Produced by Fragmentation and U-Fission: The g-Rising Project at GSI

NUCLEAR REACTIONS 9Be(238U, F)127Sn, E=750 MeV/nucleon; 9Be(136Xe, X)127Sn, E=650 MeV/nucleon; measured Eγ, Iγ(θ, H, t), (particle)γ-coinc. 127Sn deduced g-factor using TDPAD method.


1986WA18      Radiat.Eff. 94, 101 (1986)

J.Walker, D.R.Weaver, J.G.Owen, S.J.Chilton

Extended Analysis of Delayed Neutron Spectra from Fast Fission in 235U

NUCLEAR REACTIONS 235U(n, F), E=0.49, 0.94, 1.44, 1.76 MeV; measured delayed neutron spectra following fission. Dual-parameter output pulse analysis, 3He spectrometer.

doi: 10.1080/00337578608208364
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1980DE27      Phys.Lett. B94, 327 (1980)

W.DeJarnette, T.Hallman, E.McIntyre, J.C.Walker, L.Madansky, J.Carroll, A.Sagle, R.J.Semper

Limits on Threshold Phenomena in Central Collisions of 12C + Pb from 1-2 GeV/n

NUCLEAR REACTIONS Pb(12C, π0), (12C, π+), (12C, π-), E=1-2 GeV/nucleon; measured production σ; deduced central collision threshold phenomena limits.

doi: 10.1016/0370-2693(80)90889-8
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1980GE06      Phys.Rev. C22, 1197 (1980)

W.J.Gerace, J.P.Mestre, J.F.Walker, D.A.Sparrow

Nuclear Form Factor Sensitivity in the Reaction 3He(π-, π0)3H

NUCLEAR REACTIONS 3He(π-, π0), E=131-400 MeV; calculated σ(θ). Glauber multiple scattering theory, electron scattering form factors.

doi: 10.1103/PhysRevC.22.1197
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1980ME04      Nucl.Phys. A340, 61 (1980)

R.H.Meyer, W.J.Gerace, J.F.Walker, Jr.

Hole and Continuum Contributions to the 42Ca(p, t)40Ca Form Factor

NUCLEAR REACTIONS 42Ca(p, t), E not given; calculated σ, form-factors; deduced hole, continuum contributions equally significant. Strumian expansion method.

doi: 10.1016/0375-9474(80)90322-X
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1978AL24      Nucl.Phys. A306, 447 (1978)

M.A.Alberg, E.M.Henley, G.A.Miller, J.F.Walker

Field-Theory Treatment of the pp → dπ+ Reaction

NUCLEAR REACTIONS 1H(p, π+d), E=400-800 MeV; calculated σ(E).

doi: 10.1016/0375-9474(78)90474-8
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1975EW01      Nucl.Phys. A244, 125 (1975)

G.M.Ewart, W.J.Gerace, J.F.Walker

Quadrupole Core Vibrations in the A = 211 Isobars

NUCLEAR STRUCTURE 211Pb, 211Po, 211At, 211Bi; calculated levels. 211At, 211Bi calculated B(E2), B(M1).

doi: 10.1016/0375-9474(75)90012-3
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1975YA06      Nucl.Phys. A240, 189 (1975)

K.-H.Yang, W.J.Gerace, J.F.Walker

Off-Energy Shell Behavior of a Single-Term Separable Energy-Dependent Potential

NUCLEAR REACTIONS 27Al(n, n), E=low; calculated σ; deduced potential.

doi: 10.1016/0375-9474(75)90325-5
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1975YA07      Nucl.Phys. A242, 365 (1975)

K.-H.Yang, W.J.Gerace, J.F.Walker, Jr.

Comparison of an Optical Potential with its Separable Representations. Fully Off-Shell Behavior

NUCLEAR REACTIONS 27Al(n, n); calculated potential.

doi: 10.1016/0375-9474(75)90101-3
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1974SP01      Phys.Lett. 48B, 186 (1974)

D.A.Sparrow, J.F.Walker, W.J.Gerace

Off-Shell Effects in Scattering from the Deuteron

NUCLEAR REACTIONS 2H(p, p); measured nothing, calculated σ. Off-shell effects.

doi: 10.1016/0370-2693(74)90005-7
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1974WE11      J.Phys.(London) D7, 1122 (1974)

D.R.Weaver, J.Walker

The Non-Elastic Cross Section of 9Be for Neutrons between 2.4 and 3.9 MeV

NUCLEAR REACTIONS 9Be(n, X), E=2.4-3.9 MeV; measured σ, calculated non-elastic cross-section.

doi: 10.1088/0022-3727/7/8/310
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1972BH05      Nucl.Phys. A192, 658 (1972)

R.P.Bhatia, J.F.Walker

Separable Energy-Dependent Approximation to Local Potentials

doi: 10.1016/0375-9474(72)90097-8
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1972EW01      Nucl.Phys. A191, 596 (1972)

G.M.Ewart, W.J.Gerace, J.F.Walker

Effects of 208Pb Core Vibrations on Shell-Model Calculations for 211At And 211Pb

NUCLEAR STRUCTURE 211Pb, 211At; calculated levels, B(E2). Shell model, 208Pb core vibrations.

doi: 10.1016/0375-9474(72)90634-3
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1972ST15      Phys.Rev. C6, 114 (1972)

M.M.Sternheim, J.F.Walker

Non-Hermitian Hamiltonians, Decaying States, and Perturbation Theory

doi: 10.1103/PhysRevC.6.114
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1971PA04      Phys.Rev. C3, 841 (1971)

F.T.Parker, K.A.Hardy, J.C.Walker

Mossbauer Effect in the 121.2-keV Transition in Sm147

NUCLEAR REACTIONS 147Sm(γ, γ), E=121.2 keV; measured Mossbauer effect. 147Sm level deduced μ, quadrupole moment.

doi: 10.1103/PhysRevC.3.841
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1970HA47      Nucl.Phys. A154, 497 (1970)

K.A.Hardy, U.Atzmony, J.C.Walker

Lower Limit on the Half-Life of the 113.8 Level of 175Lu by the Mossbauer Effect

NUCLEAR REACTIONS 175Lu(p, p')E=3 MeV; measured Mossbauer effect. 175Lu level deduced T1/2.

doi: 10.1016/0375-9474(70)90121-1
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1970WH02      Phys.Lett. 31B, 206 (1970)

R.M.Wheeler, U.Atzmony, K.A.Hardy, J.C.Walker

Isomer Shift in the 82 keV Transition of 154Sm

NUCLEAR REACTIONS 154Sm(γ, γ), E=82 keV; measured Mossbauer effect; deduced isomer shift.

doi: 10.1016/0370-2693(70)90105-X
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1969WH04      Phys.Rev. 186, 1280 (1969)

R.M.Wheeler, U.Atzmony, J.C.Walker

Magnetic Dipole and Electric Quadrupole Moments of the First 2+ State Of Sm154

NUCLEAR REACTIONS 154Sm(γ, γ), E = 82 keV; measured Mossbauer effect. 154Sm level deduced μ, quadrupole moment.

doi: 10.1103/PhysRev.186.1280
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1969WI04      Phys.Rev. 177, 1786 (1969)

J.W.Wiggins, J.C.Walker

Measurement of the Nuclear Moments of the First-Excited State of Er170 By the Mossbauer Effect

NUCLEAR REACTIONS 170Er(γ, γ), E=0.079 MeV; 166Er(γ, γ), E=0.080 MeV ; measured Mossbauer effect in ErFe2. 166,170Er deduced gR(170Er)/gR(166Er), Q0(170Er)/Q0(166Er). Enriched 170Er target for αα'γ γ-source.

doi: 10.1103/PhysRev.177.1786
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1967EC01      Phys.Rev. 156, 246 (1967)

J.S.Eck, Y.K.Lee, J.C.Walker, R.R.Stevens, Jr.

Mossbauer Effect Following Coulomb Excitation in the Even-Even Isotopes of Ytterbium

NUCLEAR STRUCTURE 172Yb, 176Yb, 174Yb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.156.246
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1967EC02      Phys.Rev. 163, 1295 (1967)

J.S.Eck, Y.K.Lee, J.C.Walker

Measurement of the g(R) Factors for the First Excited States of Yb174 and Yb176 Using the Mossbauer Effect

NUCLEAR STRUCTURE 174Yb, 176Yb, 170Yb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.163.1295
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1967EC03      Bull.Am.Phys.Soc. 12, No.4, 596, KH1 (1967)

J.S.Eck, Y.K.Lee, J.C.Walker

Measurement of the g(R) Factor for the 82.2-keV State of Yb176 Using the Mossbauer Effect

NUCLEAR STRUCTURE 176Yb; measured not abstracted; deduced nuclear properties.


1967HE04      Phys.Rev. 156, 391 (1967)

N.Hershkowitz, J.C.Walker

Mossbauer Effect of the Second Excited State of Fe57

NUCLEAR REACTIONS 57Fe(γ, γ), E=136.4 keV; measured Mossbauer effect. 57Fe level deduced g.

doi: 10.1103/PhysRev.156.391
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1967OL04      Phys.Letters 25B, 258 (1967)

J.R.Oleson, Y.K.Lee, J.C.Walker, J.W.Wiggins

Observation of the Mossbauer Effect in 238U Following Coulomb Excitation

NUCLEAR STRUCTURE 238U; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0370-2693(67)90004-4
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1967RI05      Phys.Rev. 154, 287 (1967)

E.T.Ritter, P.W.Keaton, Jr., Y.K.Lee, R.R.Stevens, Jr., J.C.Walker

Mossbauer Effect Following Coulomb Excitation of Fe57

NUCLEAR STRUCTURE 57Fe; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.154.287
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1967ST17      Phys.Rev. 158, 1118 (1967)

R.S.Stevens, Jr., J.S.Eck, E.T.Ritter, Y.K.Lee, J.C.Walker

New Mossbauer Levels in the Rare Earths Following Coulomb Excitation

NUCLEAR STRUCTURE 160Gd, 155Gd, 156Gd, 158Gd, 164Dy, 168Er; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.158.1118
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1966EC04      Phys.Rev.Letters 17, 120 (1966)

J.Eck, Y.K.Lee, E.T.Ritter, R.R.Stevens, Jr., J.C.Walker

Observation of New Mossbauer Effects in Rare-Earth Isotopes Following Coulomb Excitation

NUCLEAR STRUCTURE 160Gd, 170Yb, 174Yb, 164Dy, 168Er; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.17.120
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1966ST06      Phys.Letters 21, 401 (1966)

R.R.Stevens, Jr., Y.K.Lee, J.C.Walker

Mossbauer Effect Measurements in the First and Second Excited States of Gadolinium-155

NUCLEAR STRUCTURE 155Gd; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(66)90503-8
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1965GO07      Phys.Rev.Letters 15, 418 (1965)

D.A.Goldberg, P.W.Keaton, Jr., Y.K.Lee, L.Madansky, J.C.Walker

Mossbauer Effect Resulting from the Reaction Fe56(d, p)Fe57

NUCLEAR STRUCTURE 57Fe; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.15.418
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1965LE13      Phys.Rev.Letters 14, 957 (1965)

Y.K.Lee, P.W.Keaton, Jr., E.T.Ritter, J.C.Walker

Mossbauer Effect from Coulomb-Excited Levels in Fe57

NUCLEAR STRUCTURE 57Fe; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.14.957
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1965WA09      Proc.Phys.Soc.(London) 86, 423 (1965)

J.Walker, T.Salgir

The Branching Ratio of 212Bi(ThC)

NUCLEAR STRUCTURE 212Bi; measured not abstracted; deduced nuclear properties.

doi: 10.1088/0370-1328/86/2/123
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1962CO23      Proc.Phys.Soc.(London) 80, 1218 (1962)

R.A.Coombe, J.Walker

NUCLEAR STRUCTURE 9Be; measured not abstracted; deduced nuclear properties.


1962WA27      Phys.Rev. 127, 1739 (1962)

J.C.Walker

Hyperfine Structure and Nuclear Moments of Thulium-166

NUCLEAR STRUCTURE 166Tm; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.127.1739
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1961WA02      Bull.Am.Phys.Soc. 6, No.1, 74, Y7 (1961)

J.C.Walker, D.L.Harris

Hyperfine Structure of Tm166

NUCLEAR STRUCTURE 166Tm; measured not abstracted; deduced nuclear properties.


1961WA04      Phys.Rev. 121, 224 (1961)

J.C.Walker, D.L.Harris

Nuclear Spins of Thulium-166 and 167

NUCLEAR STRUCTURE 166Tm, 167Tm; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.121.224
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1955PE19      Phys.Rev. 100, 81 (1955)

M.L.Perlman, J.P.Walker

Disintegration Scheme of Rb83

doi: 10.1103/PhysRev.100.81
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1954EL24      Proc.Roy.Soc.(Canada) 48, 12A (1954)

L.G.Elliott, R.L.Graham, J.Walker, J.L.Wolfson

Disintegration of Tl208(3.1 min)


1954GR19      Phys.Rev. 94, 794A (1954); Oral Report

R.L.Graham, J.Walker

The Disintegration of Sm153

doi: 10.1103/PhysRev.94.794A
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1953SW63      Proc.Phys.Soc. 66A, 1093 (1953)

P.Swinbank, J.Walker

The Decay Scheme of Krypton-83

doi: 10.1088/0370-1298/66/12/302
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Note: The following list of authors and aliases matches the search parameter J.Walker: , J.C.WALKER, J.F.WALKER, J.P.WALKER, J.W.WALKER