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NSR database version of April 27, 2024.

Search: Author = G.P.Couchell

Found 21 matches.

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1998TI09      Phys.Rev. C58, 905 (1998)

S.V.Tipnis, J.M.Campbell, G.P.Couchell, S.Li, H.V.Nguyen, D.J.Pullen, W.A.Schier, E.H.Seabury, T.R.England

Yields of Short-Lived Fission Products Produced following ²³⁵U(n_th, f)

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; measured Eγ, Iγ, βγ-coin; deduced independent, cumulative short-lived fission fragment yields. Helium jet, tape transport.

doi: 10.1103/PhysRevC.58.905
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13600.

1996BE92      Nucl.Instrum.Methods Phys.Res. A369, 263 (1996)

P.R.Bennett, W.A.Schier, G.P.Couchell, E.S.Jacobs, D.J.Pullen, M.F.Villani

Relative Efficiency Measurements of Fission Fragment Transfer with a Helium Jet

NUCLEAR REACTIONS ^235,238U, ²³⁹Pu(n, F), E=reactor; measured fission fragment decay associated X-ray spectra; deduced helium jet fission fragment transfer relative efficiency.

doi: 10.1016/0168-9002(95)00551-X
Citations: PlumX Metrics

1992VI05      Nucl.Sci.Eng. 111, 422 (1992)

M.F.Villani, G.P.Couchell, M.H.Haghighi, D.J.Pullen, W.A.Schier, Q.Sharfuddin

Six-Group Decomposition of Composite Delayed Neutron Spectra from ²³⁵U Fission

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; measured composite delayed neutron spectra following fission. Constrained least-squares method, six-group decomposition.

doi: 10.13182/NSE92-A15489
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13800.

1988SH13      Nucl.Sci.Eng. 98, 341 (1988)

Q.Sharfuddin, W.A.Schier, R.S.Tanczyn, D.J.Pullen, M.H.Haghighi, L.Fisteag, G.P.Couchell

Search for an Energy Dependence in ²³⁵U Delayed Neutron Spectra

NUCLEAR REACTIONS ²³⁵U(n, F), E=fast; measured delayed neutron yield vs E following fission.

doi: 10.13182/NSE88-A23534
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13799.

1986SH05      Nucl.Sci.Eng. 92, 350 (1986)

J.Q.Shao, G.P.Couchell, J.J.Egan, G.H.R.Kegel, S.Q.Li, A.Mittler, D.J.Pullen, W.A.Schier, E.D.Arthur

Fast Neutron Inelastic Scattering Cross Sections of ²³⁸U for States between 680 and 1530 keV

NUCLEAR REACTIONS ²³⁸U(n, n'), E=0.9-2.2 MeV; measured σ(θ), σ(En); deduced optical model parameters, σ(E). ²³⁸U level deduced B(λ). ²³⁹U deduced fission barrier parameters.

doi: 10.13182/NSE86-A17525
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12738.

1986SH08      J.Phys.(London) G12, 237 (1986)

E.Sheldon, L.E.Beghian, C.A.Ciarcia, G.P.Couchell, J.H.Dave, J.J.Egan, G.Goswami, G.H.R.Kegel, S.Q.Li, A.Mittler, D.J.Pullen, W.A.Schier, J.Q.Shao

Fast-Neutron Inelastic Scattering Cross Sections for the Principal Even-Even Actinide Nuclei. I: ²³²Th(n, n')

NUCLEAR REACTIONS ²³²Th(n, n'γ), (n, n'), E=0.2-3.4 MeV; analyzed σ(θ), σ(E); deduced reaction mechanism. ²³²Th deduced consistent σ for rotational, vibrational level excitation.

doi: 10.1088/0305-4616/12/3/011
Citations: PlumX Metrics

1986SH28      J.Phys.(London) G12, 443 (1986)

E.Sheldon, L.E.Beghian, D.W.S.Chan, A.Chang, G.P.Couchell, J.J.Egan, G.Goswami, G.H.R.Kegel, S.Q.Li, A.Mittler, D.J.Pullen, W.A.Schier, J.P.Shao, A.Wang

Fast Neutron Inelastic-Scattering Cross Sections for the Principal Even-Even Actinide Nuclei. II: ²³⁸U(n, n')

NUCLEAR REACTIONS ²³⁸U(n, n'), E=0.2-3.1 MeV; analyzed experimental, theoretical σ(E), σ(θ); deduced fluctuation σ factor F.

doi: 10.1088/0305-4616/12/5/009
Citations: PlumX Metrics

1986TA18      Nucl.Sci.Eng. 94, 353 (1986)

R.S.Tanczyn, Q.Sharfuddin, W.A.Schier, D.J.Pullen, M.H.Haghighi, L.Fisteag, G.P.Couchell

Composite Delayed Neutron Energy Spectra for Thermal Fission of ²³⁵U

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; measured delayed neutron yields following fission. Plastic, liquid, ⁶Li glass scintillators.

doi: 10.13182/NSE86-A18346
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13800.

1985CI05      Nucl.Sci.Eng. 91, 428 (1985)

C.A.Ciarcia, G.P.Couchell, J.J.Egan, G.H.R.Kegel, S.Q.Li, A.Mittler, D.J.Pullen, W.A.Schier, J.Q.Shao

Neutron Inelastic Scattering Cross Sections for States above 700 keV in ²³²Th

NUCLEAR REACTIONS ²³²Th(n, n'), E=0.95-2.1 MeV; measured σ(θ). ²³²Th levels deduced possible J, π, K.

doi: 10.13182/NSE85-A18359
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12765.

1985DA21      Nucl.Sci.Eng. 91, 187 (1985)

J.H.Dave, J.J.Egan, G.P.Couchell, G.H.R.Kegel, A.Mittler, D.J.Pullen, W.A.Schier, E.Sheldon

Cross Sections, Transition Schemes, and Branching Ratios for ²³²Th from the ²³²Th(n, n'γ) Reaction

NUCLEAR REACTIONS ²³²Th(n, n'γ), E=0.77-2.1 MeV; measured Eγ, Iγ; deduced σ(θγ). ²³²Th deduced levels, γ-branching ratios, possible J, π. Statistical compound nucleus model.

doi: 10.13182/NSE85-A27441
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10810.

1984SC45      Nucl.Instrum.Methods 227, 549 (1984)

W.A.Schier, G.P.Couchell, D.J.Pullen, N.M.Sampas, C.A.Ciarcia, M.H.Haghighi, Q.Sharfuddin, R.S.Tanczyn

New Experimental System for Measuring Composite Delayed-Neutron Spectra following Fission

NUCLEAR REACTIONS ²³⁵U(n, F), E=fast, thermal; measured delayed neutron fission yields vs En. Pilot U, ⁶Li-glass scintillators, β-neutron tof system.

doi: 10.1016/0168-9002(84)90214-6
Citations: PlumX Metrics

1979BE19      Nucl.Sci.Eng. 69, 191 (1979)

L.E.Beghian, G.H.R.Kegel, T.V.Marcella, B.K.Barnes, G.P.Couchell, J.J.Egan, A.Mittler, D.J.Pullen, W.A.Schier

Neutron Scattering Cross Sections of Uranium-238

NUCLEAR REACTIONS ²³⁸U(n, n), (n, n'), E=0.9-3.1 MeV; measured σ(E, θ); deduced disagreement between observed, evaluated inelastic σ.

doi: 10.13182/NSE79-A20610
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10473.

1978KA21      Nucl.Sci.Eng. 67, 34 (1978)

P.T.Karatzas, G.P.Couchell, B.K.Barnes, L.E.Beghian, P.Harihar, A.Mittler, D.J.Pullen, E.Sheldon, N.B.Sullivan

Neutron Inelastic Scattering Cross Sections for Natural Chromium Determined from the (n, n'γ) Reaction

NUCLEAR REACTIONS Cr(n, n'γ), E=0.84-3.97 MeV; measured σ(E, Eγ), total inelastic σ(E). ^52,53,54,50Cr levels deduced γ-branching.

doi: 10.13182/NSE78-A27235
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10492.

1978LE14      Phys.Rev. C18, 1185 (1978)

R.V.LeClaire, J.J.Egan, L.E.Beghian, G.P.Couchell, G.H.R.Kegel, S.C.Mathur, A.Mittler, W.A.Schier

Cross Sections in the ⁵⁹Co(n, n'γ)⁵⁹Co Reaction from 1.1 to 3.3 MeV

NUCLEAR REACTIONS ⁵⁹Co(n, n'γ), E=1.1-3.3 MeV; measured σ(E, Eγ, θ); deduced σ(n, n'). ⁵⁹Co deduced levels, J, π, γ-branching.

doi: 10.1103/PhysRevC.18.1185
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10785.

1977CO15      Nucl.Phys. A286, 322 (1977)

J.A.Correia, W.A.Schier, L.E.Beghian, G.P.Couchell, J.J.Egan, G.H.R.Kegel, R.V.Leclaire, A.Mittler

⁵⁵Mn(n, n'γ) Cross-Section Studies for E = 1.0-3.6 MeV

NUCLEAR REACTIONS ⁵⁵Mn(n, n'γ), En=1.0-3.6 MeV; measured σ(E;Eγ, θ); deduced absolute σ(E, Eγ). ⁵⁵Mn deduced levels, J, π, γ-decay branching ratios.

doi: 10.1016/0375-9474(77)90411-0
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10713.

1976SC20      Nucl.Phys. A266, 16 (1976)

W.A.Schier, G.P.Couchell, J.J.Egan, P.Harihar, S.C.Mathur, A.Mittler, E.Sheldon

Spin and Parity Assignments for ²³Na Levels from the ¹⁹F(α, p)²²Ne Reaction

NUCLEAR REACTIONS ¹⁹F(α, p), (α, α), E=2.5-5 MeV; measured absolute σ(E, Ep, θ); deduced optical potential. ²³Na deduced levels, J, π, L.

doi: 10.1016/0375-9474(76)90279-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1061.

1975SA05      Nucl.Phys. A245, 317 (1975)

L.G.Sanin, W.A.Schier, B.K.Barnes, G.P.Couchell, J.J.Egan, P.Harihar, A.Mittler, E.Sheldon

Spin and Parity Assignments for ³³S Levels from the ²⁹Si(α, n)³²S Reaction

NUCLEAR REACTIONS ²⁹Si(α, n), (α, α), E=3.5-5.5 MeV; measured absolute σ(E, En, θ); deduced optical potential. ³³S deduced levels, J, π, L. Enriched target.

doi: 10.1016/0375-9474(75)90180-3
Citations: PlumX Metrics

1975SC40      Nucl.Phys. A254, 80 (1975)

W.A.Schier, B.K.Barnes, G.P.Couchell, J.J.Egan, P.Harihar, S.C.Mathur, A.Mittler, E.Sheldon

Spin and Parity Assignments for ³⁵Cl Levels from the ³¹P(α, p)³⁴S Reaction

NUCLEAR REACTIONS ³¹P(α, p), (α, α), E=3.25-5.50 MeV; measured absolute σ(E, En, θ); deduced optical potential. ³⁵Cl deduced resonances J, π, L.

doi: 10.1016/0375-9474(75)90583-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1014.

1968BA23      Phys.Rev. 170, 995 (1968)

D.P.Balamuth, G.P.Couchell, G.E.Mitchell

Isobaric-Analog Resonances in Se Isotopes

NUCLEAR STRUCTURE ⁷⁷Br, ⁷⁹Br, ⁸¹Br, ⁸³Br; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.170.995
Citations: PlumX Metrics

1967CO02      Bull.Am.Phys.Soc. 12, No.1, 129, HF6(1967)

G.P.Couchell, D.P.Balamuth, R.N.Horoshko, G.E.Mitchell

Study of Isobaric Analog States by the (p, n) Reaction

1967CO04      Phys.Rev. 161, 1147 (1967)

G.P.Couchell, D.P.Balamuth, R.N.Horoshko, G.E.Mitchell

Study of Analog States by the (p, n) Reaction

NUCLEAR STRUCTURE ⁷⁵As, ⁷⁶Se, ⁷¹Ga, ⁸¹Br, ⁷⁷As, ⁶⁶Zn; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.161.1147
Citations: PlumX Metrics