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Search: Author = P.M.Lesser

Found 26 matches.

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1992YA01      Phys.Rev. C45, 331 (1992)

D.Yan, P.M.S.Lesser, M.K.Liou, C.C.Trail

Measurement of the Proton-Carbon Bremsstrahlung Cross Sections at 2.135 MeV: Testing soft-photon approximations

NUCLEAR REACTIONS 12C(p, γ), E=2.135 MeV; measured bremsstrahlung σ relative to 12C(p, p); deduced resonance structure, soft-photon approximations validity features.

doi: 10.1103/PhysRevC.45.331
Citations: PlumX Metrics

1988PE12      Phys.Rev. C38, 514 (1988)

C.C.Perng, D.Yan, P.M.S.Lesser, C.C.Trail, M.K.Liou

Bremsstrahlung from 16O + p Near the 2.66-MeV Resonance

NUCLEAR REACTIONS 16O(p, γ), E=2.74 MeV; measured bremsstrahlung σ.

doi: 10.1103/PhysRevC.38.514
Citations: PlumX Metrics

1984HA07      Nucl.Phys. A414, 316 (1984)

M.Hass, E.Dafni, H.H.Bertschat, C.Broude, F.Davidovsky, G.Goldring, P.M.S.Lesser

Nuclear Polarization of High-Spin Levels and the Sign of the Quadrupole Moment of 54Fe(10+)

NUCLEAR REACTIONS 45Sc(12C, 2np), E=40 MeV; measured Iγ(θ, t), oriented nuclei. 54Fe deduced isomer quadrupole moment sign, magnitude. Multifoil array induced nuclear polarization, pulsed beam, recoil implantation into Zn, Cd.

doi: 10.1016/0375-9474(84)90648-1
Citations: PlumX Metrics

1984PE02      Phys.Rev. C29, 390 (1984)

C.C.Perng, M.K.Liou, Z.M.Ding, P.M.S.Lesser, C.C.Trail

Proton-Oxygen Bremsstrahlung Calculation

NUCLEAR REACTIONS 16O(p, p), E=2.5-2.8 MeV; calculated σ(θ) vs E. 16O(p, pγ), E ≈ 2.66 MeV; calculated bremsstrahlung σ(θp, θγ) vs Eγ. Feshbach-Yennie, soft photon approximations.

doi: 10.1103/PhysRevC.29.390
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1983DA08      Phys.Rev.Lett. 50, 1652 (1983)

E.Dafni, M.Hass, H.H.Bertschat, C.Broude, F.Davidovsky, G.Goldring, P.M.S.Lesser

Nuclear Polarization and Sign of the Quadrupole Moment of the 54Fe(10+) Isomer

NUCLEAR REACTIONS 45Sc(12C, 2np), E=40 MeV; measured γ(θ, t), oriented nuclei. 54Fe deduced isomer quadrupole moment, induced polarization. Tilted-foil geometry, Cd single crystal stopper.

doi: 10.1103/PhysRevLett.50.1652
Citations: PlumX Metrics

1983DA30      Hyperfine Interactions 15/16, 167 (1983)

E.Dafni, J.Bendahan, H.H.Bertschat, C.Broude, F.Davidovsky, G.Goldring, M.Hass, P.M.S.Lesser

Polarization of High Spin Nuclear Levels via Tilted Multifoil Interaction

NUCLEAR REACTIONS 45Sc(12C, 2np), E not given; 65Cu(32S, 2n2p), E=120 MeV; measured γ(θ, H, t). 54Fe deduced isomer quadrupole moment. 93Tc level deduced possible parity admixture. Nuclear level polarization via tilted multifoil interaction.

doi: 10.1007/BF02159733
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1983HA37      Nucl.Phys. A410, 317 (1983)

M.Hass, H.H.Bertschat, C.Broude, E.Dafni, F.D.Davidovsky, G.Goldring, P.M.S.Lesser

Mean Lives and Magnetic Moments of High-Spin Levels in 108Sn

NUCLEAR REACTIONS 92Mo(19F, 2np), E=72 MeV; measured recoil distance, γ(θ, H, T) in tilted-multifoil assembly. 108Sn levels deduced g, T1/2.

doi: 10.1016/0375-9474(83)90204-X
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1982LE03      Phys.Rev.Lett. 48, 308 (1982)

P.M.S.Lesser, C.C.Trail, C.C.Perng, M.K.Liou

Bremsstrahlung from 12C + p near the 461-keV Resonance

NUCLEAR REACTIONS 12C(p, p'γ), E=591, 696, 796 keV; measured pγ-coin, σ(θγ, qp, Eγ)/σ(elastic) for bremsstrahlung radiation; deduced resonance structure. Soft photon, Feshbach-Yennie approximations.

doi: 10.1103/PhysRevLett.48.308
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1982LI12      Phys.Rev. C26, 723 (1982)

C.K.Liu, M.K.Liou, C.C.Trail, P.M.S.Lesser

Nuclear Time Delays Extracted from Proton-Carbon Bremsstrahlung Data near the 1.7 MeV Resonance

NUCLEAR REACTIONS 12C(p, pγ), E=1.594, 1.81, 1.88 MeV; measured σ(θ), bremsstrahlung; deduced reaction time delays. Feshbach-Yennie approximation.

doi: 10.1103/PhysRevC.26.723
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1980LI01      Phys.Rev. C21, 518 (1980)

M.K.Liou, C.K.Liu, P.M.S.Lesser, C.C.Trail

Proton-Carbon Bremsstrahlung Calculation

NUCLEAR REACTIONS 12C(p, p'γ), E ≈ 1.7 MeV; calculated σ(bremsstrahlung). Feshbach-Yennie formalism.

doi: 10.1103/PhysRevC.21.518
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1980TR03      Phys.Rev. C21, 2131 (1980)

C.C.Trail, P.M.S.Lesser, A.H.Bond, Jr., M.K.Liou, C.K.Liu

Bremsstrahlung from 12C + p Near the 1.7-MeV Resonances

NUCLEAR REACTIONS 12C(p, p'γ), E ≈ 1550-1950 keV; measured σ(E, bremsstrahlung).

doi: 10.1103/PhysRevC.21.2131
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1978GU15      Phys.Rev. C18, 1075 (1978)

O.P.Gupta, A.Bond, P.M.S.Lesser

Formation of the 17.637 MeV State in 9B in the Reaction 6Li(3He, α)5Li(g.s.)

NUCLEAR REACTIONS 6Li(3He, 2α), E=1.4-1.8 MeV; measured σ(E, Eα1, Eα2). 9B deduced level.

doi: 10.1103/PhysRevC.18.1075
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1977GE02      Phys.Rev. C15, 1835 (1977)

D.F.Geesaman, R.L.McGrath, P.M.S.Lesser, P.P.Urone, B.VerWest

Particle Decay of 6Be

NUCLEAR REACTIONS 6Li(3He, tα), E=24 MeV; measured tα-coin. 6Be deduced particle decay.

doi: 10.1103/PhysRevC.15.1835
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1976BR08      Phys.Rev. C13, 1194 (1976)

B.A.Brown, D.B.Fossan, P.M.S.Lesser, A.R.Poletti

Isomeric 17/2- Level and Parity Mixing in 93Tc

NUCLEAR REACTIONS 90Zr(6Li, 3n), E=34 MeV; measured γγ-coin, γ(θ, t). 93Tc deduced levels, parity mixing, T1/2, B(E2).

doi: 10.1103/PhysRevC.13.1194
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1976BR14      Phys.Rev. C13, 1900 (1976)

B.A.Brown, P.M.S.Lesser, D.B.Fossan

Properties of High-Spin States in 91Nb and 91Zr via 6Li-Induced Reactions

NUCLEAR REACTIONS 88Sr(6Li, 3n), (6Li, 2np), E=34 MeV; measured γγ-coin, σ(Eγ, θ, t). 91Nb, 91Zr deduced levels, J, π, T1/2, δ, B(E2), γ-branching, effective charges. Natural target, Ge(Li), Si(Li) detectors.

doi: 10.1103/PhysRevC.13.1900
Citations: PlumX Metrics

1976BR24      Phys.Rev. C14, 602 (1976)

B.A.Brown, D.B.Fossan, P.M.S.Lesser, A.R.Poletti

High-Spin States in 92Zr

NUCLEAR REACTIONS 88Sr(7Li, 2np), E=34 MeV; measured γγ-coin, γ(θ, t), Eγ, Iγ. 92Zr deduced levels, J, π, λ. Natural target. Ge(Li) detectors.

doi: 10.1103/PhysRevC.14.602
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1976SJ01      Phys.Rev. C14, 1023 (1976)

T.P.Sjoreen, G.Schatz, S.K.Bhattacherjee, B.A.Brown, D.B.Fossan, P.M.S.Lesser

High-Spin States and Neutron-Hole Influence in 209At

NUCLEAR REACTIONS 206Pb(6Li, 3nγ), E=29-34 MeV; measured σ(Eγ, θ, H, t), γγ-coin. 209At deduced levels, J, π, λ, T1/2, B(E2), g.

doi: 10.1103/PhysRevC.14.1023
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1975BR01      Phys.Rev.Lett. 34, 161 (1975)

B.A.Brown, P.M.S.Lesser, D.B.Fossan

High-Spin Isomers in 91Nb and 91Zr via 6Li-Induced Reactions

NUCLEAR REACTIONS 88Sr(6Li, 3nγ), (6Li, 2nγ), E=20-35 MeV; measured σ(E, Eγ, θ), γγ-coin, γ(t). 91Nb, 91Zr deduced levels, J, π, T1/2.

doi: 10.1103/PhysRevLett.34.161
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1974LE13      Nucl.Phys. A223, 563 (1974)

P.M.S.Lesser, D.Cline, C.Kalbach-Cline, A.Bahnsen

Reorientation Measurements in the Even Nickel Isotopes

NUCLEAR REACTIONS 58,60Ni(32S, 32S'γ), E=70 MeV; measured 32S'γ(θ). 58,60Ni levels deduced quadrupole moment.

doi: 10.1016/0375-9474(74)90706-4
Citations: PlumX Metrics

1972LE19      Nucl.Phys. A190, 597 (1972)

P.M.S.Lesser, D.Cline, P.Goode, R.N.Horoshko

Static Electric Quadrupole Moments of the First Excited States of 56Fe And the Even Titanium Nuclei

NUCLEAR REACTIONS 48Ti(32S, 32S'γ), E=60 MeV; 56Fe(32S, 32S'γ), E=65 MeV; measured σ(Eγ, θ(32S), θ(32S, γ)). 48Ti, 56Fe deduced quadrupole moment. 46,48,50Ti, 56Fe, calculated levels, B(M1), B(E2), static moments. Shell-model, valence nucleons in 1f-2p shell, Kuo-Brown matrix elements.

doi: 10.1016/0375-9474(72)90859-7
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1972MC09      Phys.Rev.Lett. 28, 1057 (1972)

J.M.McDonald, P.M.S.Lesser, D.B.Fossan

Time-Differential Quadrupole Interactions Following Recoil Implantation

NUCLEAR REACTIONS 111Cd(16O, 16O'γ), E=40 MeV; measured (16O')(γ)(θ, t) in Cd metal; deduced quadrupole interaction frequencies.

doi: 10.1103/PhysRevLett.28.1057
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1970GE07      Nucl.Phys. A151, 273 (1970)

H.S.Gertzman, D.Cline, H.E.Gove, P.M.S.Lesser, J.J.Schwartz

The Static Electric Quadrupole Moment of the First Excited State of 148Sm

NUCLEAR REACTIONS 148Sm(α, α'), E=10-13 MeV; 148Sm(16O, 16O'), E=34-50 MeV; measured σ(E;θ). 148Sm level deduced B(E2), quadrupole moment. Enriched targets.

doi: 10.1016/0375-9474(70)90279-4
Citations: PlumX Metrics

1970GE08      Nucl.Phys. A151, 282 (1970)

H.S.Gertzman, D.Cline, H.E.Gove, P.M.S.Lesser

The Static Electric Quadrupole Moments of the First Excited States of 144, 146, 148, 150Nd

NUCLEAR REACTIONS Nd(α, α'γ), E=6-9 MeV; Nd(16O, 16O'γ), E=30-40 MeV; Nd(32S, 32S'γ), E=30-70 MeV; measured σ(E;Eγ). 144,146,148,150Nd levels deduced quadrupole moment. Natural target.

doi: 10.1016/0375-9474(70)90280-0
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1970HO16      Nucl.Phys. A149, 562 (1970)

R.N.Horoshko, D.Cline, P.M.S.Lesser

Measurement and Interpretation of Electromagnetic Transitions in 51V

NUCLEAR STRUCTURE 51V; calculated levels, B(M1), B(E2), static moments. Shell model, 48Ca core with valence protons in entire fp-shell, Kuo-Brown matrix elements.

NUCLEAR REACTIONS 48Ti(α, pγ)51V, E=14 MeV; measured σ(Ep, , Eγ, θ(γ), θ(pγ)). 51V(32S, 32S'γ)51V, E=60 MeV; measured σ(Eγ). 51V deduced levels, J, γ-branching, mixing ratios, B(M1), B(E2).

doi: 10.1016/0375-9474(70)91048-1
Citations: PlumX Metrics

1970LE17      Nucl.Phys. A151, 257 (1970)

P.M.S.Lesser, D.Cline, J.D.Purvis

Static Quadrupole Moments of the First Excited States of 58,60,62Ni

NUCLEAR REACTIONS Ni(12C, 12C'γ), E=21-22 MeV; Ni(16O, 16O'γ), E=25-30 MeV; Ni(32S, 32S'γ), E=60-70 MeV; measured σ(E;Eγ). 58,60,62Ni levels deduced B(E2), quadrupole moment. Natural targets.

doi: 10.1016/0375-9474(70)90278-2
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1969CL05      Nucl.Phys. A133, 445 (1969)

D.Cline, H.S.Gertzman, H.E.Gove, P.M.S.Lesser, J.J.Schwartz

The Static Quadrupole Moment of the First Excited State of 60Ni

NUCLEAR REACTIONS 60Ni(16O, 16O'), E = 28-38 MeV; 60Ni(32S, 32S'), E = 65-70 MeV; measured σ(E;θ). 60Ni level deduced B(E2), quadrupole moment. Enriched targets.

doi: 10.1016/0375-9474(69)90646-0
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