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NSR database version of April 11, 2024.

Search: Author = G.A.Needham

Found 13 matches.

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1991BR10      Phys.Rev. C43, 2284 (1991)

F.P.Brady, T.D.Ford, G.A.Needham, J.L.Romero, D.S.Sorenson, C.M.Castaneda, J.L.Drummond, E.L.Hjort, B.McEachern, N.S.P.King, D.J.Millener

12C(n, p)12B Reaction at 56, 60, and 65 MeV

NUCLEAR REACTIONS 12C(n, p), E=56, 60, 65 MeV; measured σ(E, θ). 12C(p, p), E=65 MeV; 12C(n, p), E=62, 65 MeV; calculated σ(θ). Microscopic DWBA, shell model analyses.

NUCLEAR STRUCTURE 12C, 12B; calculated levels, wave functions, one-body density-matrix elements. Shell model.

doi: 10.1103/PhysRevC.43.2284
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12911.

1986SU15      Phys.Rev. C34, 1580 (1986)

T.S.Subramanian, J.L.Romero, F.P.Brady, D.H.Fitzgerald, R.Garrett, G.A.Needham, J.L.Ullmann, J.W.Watson, C.I.Zanelli, D.J.Brenner, R.E.Prael

Double-Differential Inclusive Hydrogen and Helium Spectra from Neutron-Induced Reactions at 27.4, 39.7, and 60.7 MeV; Oxygen and nitrogen

NUCLEAR REACTIONS 14N, 16O(n, pX), (n, dX), (n, tX), (n, 3HeX), (n, αX), E=27.4, 39.7, 60.7 MeV; measured σ(E, θ), ΔE-E detector telescopes. Intranuclear cascade plus deexcitation calculations.

doi: 10.1103/PhysRevC.34.1580
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10824.

1984BR03      J.Phys.(London) G10, 363 (1984)

F.P.Brady, G.A.Needham, J.L.Ullmann, C.M.Castaneda, T.D.Ford, N.S.P.King, J.L.Romero, M.L.Webb, V.R.Brown, C.H.Poppe

Excitation of Analogue Isovector Resonances via the (n, p) Reaction at 60 MeV

NUCLEAR REACTIONS 6,7Li, 12C, 16O, 28Si, 58,60,62,64Ni, 209Bi(n, p), E=60 MeV; measured σ(θ); deduced effective nucleon-nucleon interaction isovector spin-dependent component, analog isovector resonance excitation mechanism. 28Al deduced Gamow-Teller type transition. 7He deduced L=1 dipole strength contribution. 6He, 12B deduced L=1 strength spin character, Gamow-Teller type transition. 16N deduced L=1 strength spin character.

doi: 10.1088/0305-4616/10/3/011
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12784.

1984BR32      Nucl.Instrum.Methods 228, 89 (1984)

F.P.Brady, T.D.Ford, G.A.Needham, J.L.Romero, C.M.Castaneda, M.L.Webb

A Multiwire Chamber System for Measurements of Neutron Spectra

NUCLEAR REACTIONS 7Li(p, n), E=62 MeV; measured σ(Ep, θn=0°); 40Ca(n, xn), E=65.5 MeV; measured σ(θ=9°, En). Multi-wire chamber system.

doi: 10.1016/0168-9002(84)90014-7
Citations: PlumX Metrics

1984FO23      Nucl.Instrum.Methods 228, 81 (1984)

T.D.Ford, G.A.Needham, F.P.Brady, J.L.Romero, C.M.Castaneda

A Multiwire Chamber System for Measurments of Charged Particle Spectra

NUCLEAR REACTIONS 12C(n, p), E=60 MeV; measured σ(Ep) vs θ. Multi-wire chamber system.

doi: 10.1016/0168-9002(84)90013-5
Citations: PlumX Metrics

1984UL01      Nucl.Phys. A427, 493 (1984)

J.L.Ullmann, F.P.Brady, C.M.Castaneda, D.H.Fitzgerald, G.A.Needham, J.L.Romero, N.S.P.King

Analog Giant Dipole Ni(n, p) at 59.6 MeV

NUCLEAR REACTIONS 58,60,62,64Ni(n, p), E=59.6 MeV; measured σ(θ). 58,60,62,64Co deduced GDR analog, sum rule, blocking. Enriched targets.

doi: 10.1016/0375-9474(84)90227-6
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12846.

1983BR32      Phys.Rev.Lett. 51, 1320 (1983)

F.Brady, G.A.Needham, J.L.Romero, C.M.Castaneda, T.D.Ford, J.L.Ullmann, M.L.Webb

New Giant Dipole Strength in 6Li and 7Li as Revealed via (n, p) at 60 MeV

doi: 10.1103/PhysRevLett.51.1320
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12845.

1983SU07      Phys.Rev. C28, 521 (1983)

T.S.Subramanian, J.L.Romero, F.P.Brady, J.W.Watson, D.H.Fitzgerald, R.Garrett, G.A.Needham, J.L.Ullmann, C.I.Zanelli, D.J.Brenner, R.E.Prael

Double Differential Inclusive Hydrogen and Helium Spectra from Neutron-Induced Reactions on Carbon at 27.4, 39.7, and 60.7 MeV

NUCLEAR REACTIONS 12C(n, pX), (n, dX), (n, tX), (n, αX), (n, 3HeX), E=27.4, 39.7, 60.7 MeV; measured σ(θ, Ep), σ(θ, Ed), σ(θ, Et), σ(θ, Eα), σ(θ, E(3He)). Comparison with intranuclear cascade model.

doi: 10.1103/PhysRevC.28.521
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12838.

1982BR04      Phys.Rev.Lett. 48, 860 (1982)

F.P.Brady, C.M.Castaneda, G.A.Needham, J.L.Ullmann, J.L.Romero, T.Ford, M.L.Johnson, N.S.P.King, C.M.Morris, F.Petrovich, R.H.Howell

Isovector and Gamow-Teller Strength from Small-Angle (n, p) Reactions at 60 MeV

NUCLEAR REACTIONS 6Li, 12C, 28Si(n, p), E=60 MeV; measured σ(Ep), σ(θ); deduced effective isovector spin-flip nucleon-nucleon interaction. 6He, 12B, 28Al level deduced Gamow-Teller transition strength.

doi: 10.1103/PhysRevLett.48.860
Citations: PlumX Metrics

1982NE04      Nucl.Phys. A385, 349 (1982)

G.A.Needham, F.P.Brady, D.H.Fitzgerald, J.L.Romero, J.L.Ullmann, J.W.Watson, C.Zanelli, N.S.P.King, G.R.Satchler

Excitation of Analog Isovector Giant Resonances via the (n, p) Reaction on 14N and 16O at 60 MeV

NUCLEAR REACTIONS 14N, 16O(n, p), E=60 MeV; measured σ(θ). 14C, 16N deduced GDR analog excitation. Natural targets. DWBA analysis.

doi: 10.1016/0375-9474(82)90092-6
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12786.

1982UL01      Nucl.Phys. A386, 179 (1982)

J.L.Ullmann, F.P.Brady, D.H.Fitzgerald, G.A.Needham, J.L.Romero, C.M.Castaneda, N.S.P.King

Analog Giant Dipole Excitation in Si(n, p) at 59.6 MeV

NUCLEAR REACTIONS 28Si(n, p), E=59.6 MeV; measured σ(θ). 28Al deduced parent analog giant dipole resonance strength. Natural target.

doi: 10.1016/0375-9474(82)90407-9
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12784.

1981ZA03      Phys.Rev. C23, 1015 (1981)

C.I.Zanelli, P.P.Urone, J.L.Romero, F.P.Brady, M.L.Johnson, G.A.Needham, J.L.Ullmann, D.L.Johnson

Total Non-Elastic Cross Sections of Neutrons on C, O, Ca, and Fe at 40.3 and 50.4 MeV

NUCLEAR REACTIONS C, O, Ca, Fe(n, X), (n, n), E=40.3, 54 MeV; measured transmission, total σ(elastic); deduced total σ(nonelastic). Natural targets. Optical model analysis.

doi: 10.1103/PhysRevC.23.1015
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10940.

1980BR27      Nucl.Instrum.Methods 178, 427 (1980)

F.P.Brady, J.L.Romero, C.I.Zanelli, M.L.Johnson, G.A.Needham, J.L.Ullmann, P.P.Urone, D.L.Johnson

A Method for Measuring Neutron Total Non-Elastic Cross Sections

NUCLEAR REACTIONS C, O, Ca, Fe(n, X), E=40, 50 MeV; measured transmission; deduced nonelastic σ(total). Thick target, large solid angle neutron detector.

doi: 10.1016/0029-554X(80)90821-6
Citations: PlumX Metrics

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