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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
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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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