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NSR database version of April 27, 2024.

Search: Author = C.J.Umbarger

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1973CL14      Nucl.Instrum.Methods 113, 561 (1973)

D.A.Close, J.J.Malanify, C.J.Umbarger

Isotopic Carbon Analysis Using Low Energy Protons

NUCLEAR REACTIONS ^12,13C(p, γ), E=480, 600, 1750 keV; measured σ(Ep;Eγ).

doi: 10.1016/0029-554X(73)90750-7
Citations: PlumX Metrics

1973PL03      Nucl.Phys. B57, 348 (1973)

H.S.Plendl, A.Richter, C.J.Umbarger

Activation Cross Section for ²⁷Al(π⁺, π⁰)²⁷Si at 100 MeV

NUCLEAR REACTIONS ²⁷Al(π⁺, π⁰), E=100 MeV; measured σ.

doi: 10.1016/0550-3213(73)90105-3
Citations: PlumX Metrics

1972PL04      Nucl.Phys. B44, 413 (1972)

H.S.Plendl, D.Burch, K.A.Eberhard, M.Hamm, A.Richter, C.J.Umbarger, W.P.Trower

Cross Sections for (π^-, π^-n) Reactions on ¹⁹F and ³¹P in the 3-3 Resonance Region

NUCLEAR REACTIONS ¹⁹F, ³¹P(π^-, π^-n), E=140-240 MeV; measured activation σ(E) in 3-3 resonance region.

doi: 10.1016/0550-3213(72)90126-5
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1972SI25      Phys.Rev. C6, 1001 (1972)

W.L.Sievers, D.A.Close, C.J.Umbarger, R.C.Bearse, F.W.Prosser, Jr.

Spectroscopy of ¹⁰¹Mo by Sub-Coulomb Stripping

NUCLEAR REACTIONS ¹⁰⁰Mo(d, p), E=3.75 MeV; measured Q, σ(Ep, θ). ¹⁰¹Mo deduced levels, J, π, S, L(n).

doi: 10.1103/PhysRevC.6.1001
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1971KU01      Nucl.Phys. A160, 211 (1971); Erratum Nucl.Phys. A196, 634 (1972)

H.M.Kuan, C.J.Umbarger, D.G.Shirk

Gamma Decay of the First Two T = 3/2 States of ¹⁵N

NUCLEAR REACTIONS ¹⁴C(p, γ), Ep=1.3-2.6 MeV; measured σ(E;Eγ, θ). ¹⁵N deduced decay schemes of the first two T=3/2 states J, level-width, mixing ratios. Enriched target.

doi: 10.1016/0375-9474(70)90185-5
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1971UM02      Phys.Rev. C3, 199 (1971)

C.J.Umbarger, D.A.Close, W.L.Sievers, R.C.Bearse

Study of ⁸⁸Sr(p, γ)⁸⁹Y and ⁸⁹Y(p, γ)⁹⁰Zr from E = 2.3 to 3.0 MeV

NUCLEAR REACTIONS ⁸⁸Sr, ⁸⁹Y(p, γ), E=2.3-3.0 MeV; measured σ(E;Eγ), γγ-coin. ⁹⁰Zr deduced transitions. ⁸⁹Y deduced levels, J, π.

doi: 10.1103/PhysRevC.3.199
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1971UM03      Nucl.Phys. A169, 109 (1971)

C.J.Umbarger, J.A.Robinson, R.R.Reece, R.C.Bearse, M.C.Ahlen

Determination of the Mass of ⁸⁷Y

NUCLEAR REACTIONS ⁸⁶Sr(p, γ), E=2.917 MeV; measured Q. ⁸⁷Sr(p, n), E=3-3.1 MeV; measured σ(E); deduced threshold, Q. ⁸⁷Y deduced mass excess. ⁸⁷Sr-⁸⁶Sr deduced mass excess difference.

doi: 10.1016/0375-9474(71)90564-1
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1970UM01      Phys.Rev. C2, 1378 (1970)

C.J.Umbarger, K.W.Kemper, J.W.Nelson, H.S.Plendl

Excitation Functions for the Reactions ³⁴S(p, n)³⁴Cl and ³¹P(α, n)³⁴Cl

NUCLEAR REACTIONS ³⁴S(p, n), E=6.3-8.0 MeV; ³¹P(α, n), E=6.3-7.2 MeV; measured σ(E;θ); deduced thresholds. ³⁵Cl deduced resonances, T.

doi: 10.1103/PhysRevC.2.1378
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