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NSR database version of April 29, 2024.

Search: Author = P.J.Ryan

Found 9 matches.

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1988HO11      Phys.Rev. C38, 1547 (1988)

A.Hotta, J.Dubach, R.S.Hicks, R.L.Huffman, B.Parker, G.A.Peterson, P.J.Ryan, R.P.Singhal, D.Halderson

Electroexcitation of ⁴He in the Near Continuum

NUCLEAR REACTIONS ⁴He(e, e'), E=130, 200 MeV; measured σ(E(e'), θ(e')). Shell model in continuum interpretation.

doi: 10.1103/PhysRevC.38.1547
Citations: PlumX Metrics

1986PA20      Phys.Rev. C34, 2354 (1986)

B.Parker, R.S.Hicks, A.Hotta, R.L.Huffman, G.A.Peterson, M.A.Plum, P.J.Ryan, R.P.Singhal

Transverse Quasielastic Electron Scattering from the Deuteron

NUCLEAR REACTIONS ²H(e, e'), E=220, 270, 320 MeV; measured σ(E(e'), θ); deduced isobar configuration role.

doi: 10.1103/PhysRevC.34.2354
Citations: PlumX Metrics

1986RY02      Nucl.Phys. A457, 1 (1986)

P.J.Ryan, M.N.Thompson

Photodisintegration of ^29,30Si to Excited Residual States

NUCLEAR REACTIONS ²⁹Si(γ, n), (γ, p); ³⁰Si(γ, n), (γ, p), (γ, 2n), (γ, np), (γ, α), E=26 MeV bremsstrahlung; measured Eγ, Iγ. ^29,28Si, ²⁶Mg, ^29,28Al levels deduced σ. ^29,30Si deduced GDR, 1p-1h character. Enriched targets.

doi: 10.1016/0375-9474(86)90516-6
Citations: PlumX Metrics

1984HO13      Phys.Rev. C30, 87 (1984)

A.Hotta, P.J.Ryan, H.Ogino, B.Parker, G.A.Peterson, R.P.Singhal

Quasielastic Electron Scattering from ⁵⁶Fe at 180°

NUCLEAR REACTIONS ⁵⁶Fe(e, e'), E=155-555 MeV; measured σ(θ) vs energy loss, transverse response function; deduced effective mass ratio. Relativistic Fermi gas model.

doi: 10.1103/PhysRevC.30.87
Citations: PlumX Metrics

1984RY01      Phys.Rev. C29, 655 (1984)

P.J.Ryan, J.B.Flanz, R.S.Hicks, B.Parker, G.A.Peterson

Transverse Quasielastic Electron Scattering from ¹²C at 180°

NUCLEAR REACTIONS ¹²C(e, e'), E=150.6 MeV; measured σ(θ, E(e')), transverse quasielastic scattering. ¹²C deduced resonances. RPA theory comparison.

doi: 10.1103/PhysRevC.29.655
Citations: PlumX Metrics

1983RY03      Phys.Rev. C21, 2575 (1983)

P.J.Ryan, R.S.Hicks, A.Hotta, J.Dubach, G.A.Peterson, D.V.Webb

Electroexcitation of Even-Parity States in ²⁷Al

NUCLEAR REACTIONS ²⁷Al(e, e'), E=60-340 MeV; measured σ(E, θ), σ(E(e')). ²⁷Al deduced levels, tentative J, π, form factors, effective charges.

doi: 10.1103/PhysRevC.27.2515
Citations: PlumX Metrics

1983RY07      Nucl.Phys. A411, 105 (1983)

P.J.Ryan, M.N.Thompson, K.Shoda, T.Tanaka

The Photodisintegration of ²⁴Mg

NUCLEAR REACTIONS ²⁴Mg(γ, p), (γ, n), E=28 MeV bremsstrahlung; measured proton yield vs Ep, Eγ, Iγ, σ(θp); deduced σ(γ, p)/σ(γ, n). ²³Na, ²³Mg levels deduced energy integrated population σ. ²⁴Mg(γ, α), E=12-26 MeV bremsstrahlung; measured σ(θ). ²⁴Mg deduced GDR decay characteristics, isospin purity, configuration. Magnetic spectrometer, enriched target.

doi: 10.1016/0375-9474(83)90510-9
Citations: PlumX Metrics

1982RY02      Nucl.Phys. A389, 29 (1982)

P.J.P.Ryan, M.N.Thompson, K.Shoda, M.Hirooka

The Angular Distribution of Photoprotons from ²⁷Al

NUCLEAR REACTIONS ²⁷Al(e, p), E=16.8-25.6 MeV; measured σ(E, θ); deduced σ(γ, p) vs θ. ²⁷Al deduced GDR configurations, E2 decay characteristics.

doi: 10.1016/0375-9474(82)90288-3
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1981RY03      Nucl.Phys. A371, 318 (1981)

P.J.P.Ryan, M.N.Thompson, K.Shoda, T.Tanaka

The Photoproton Decay of ²⁷Al

NUCLEAR REACTIONS ²⁷Al(e, p), E=14.8-27.6 MeV; measured σ(Ep), σ(θ). ²⁶Mg levels deduced population probability, photoproduction mechanism. Magnetic spectrometer, isotopically pure target.

doi: 10.1016/0375-9474(81)90070-1
Citations: PlumX Metrics