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NSR database version of April 27, 2024.

Search: Author = A.L.Williams

Found 22 matches.

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1998MO09      Phys.Lett. 419B, 25 (1998)

C.L.Morris, J.D.Zumbro, J.A.McGill, S.J.Seestrom, R.M.Whitton, C.M.Reidel, A.L.Williams, M.R.Braunstein, M.D.Kohler, B.J.Kriss, S.Hoibraten, J.Ouyang, R.J.Peterson, J.E.Wise

Evidence for Δ⁺ Components in Nuclei

NUCLEAR REACTIONS ^12,13C, ⁹⁰Zr, ²⁰⁸Pb(π⁺, π⁺p), (π⁺, π^-p), E=500 MeV; measured σ(DCX)/σ(NCX); deduced nuclear wave function Δ⁺ components.

doi: 10.1016/S0370-2693(97)01453-6
Citations: PlumX Metrics

1997CL01      Phys.Rev. C55, 625 (1997)

B.L.Clausen, T.W.Johnson, R.A.Lindgren, K.Cromer, R.J.Peterson, A.D.Bacher, H.Ward, A.L.Williams

Pion Scattering to 6^- Stretched States in ³²S

NUCLEAR REACTIONS ³²S(π⁺, π⁺), (π^-, π^-'), E=162 MeV; measured spectra, σ(θ). ³²S levels deduced spectroscopic factors, isoscalar, isovector magnetic structure coefficients.

doi: 10.1103/PhysRevC.55.625
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1997KA22      Phys.Rev. C55, 2533 (1997)

G.Kahrimanis, G.Burleson, C.M.Chen, B.C.Clark, K.Dhuga, D.J.Ernst, J.A.Faucett, H.T.Fortune, S.Hama, A.Hussein, M.F.Jiang, K.W.Johnson, L.Kurth Kerr, S.Mathews, J.McGill, C.F.Moore, S.Mordechai, C.L.Morris, J.O'Donnell, M.Snell, M.Rawool-Sullivan, L.Ray, C.Whitley, A.L.Williams

Pion-Nucleus Elastic Scattering on ¹²C, ⁴⁰Ca, ⁹⁰Zr, and ²⁰⁸Pb at 400 and 500 MeV

NUCLEAR REACTIONS ¹²C, ⁴⁰Ca, ²⁰⁸Pb(π⁺, π⁺), (π^-, π^-), E=400, 500 MeV; ⁹⁰Zr(π⁺, π⁺), E=400, 500 MeV; ⁹⁰Zr(π^-, π^-), E=400 MeV; measured σ(θ). ²⁰⁸Pb(π⁺, π⁺), (π^-, π^-), E=662.7 MeV; ⁴⁰Ca(π⁺, π⁺), (π^-, π^-), ¹²C(π⁺, π⁺), E=672.5 MeV; ¹²C(π^-, π^-), E=672.5, 486.2 MeV; analyzed σ(θ). Impulse approximation approach.

doi: 10.1103/PhysRevC.55.2533
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1995WI09      Phys.Rev. C51, 1144 (1995)

A.L.Williams, W.P.Alford, E.Brash, B.A.Brown, S.Burzynski, H.T.Fortune, O.Hausser, R.Helmer, R.Henderson, P.P.Hui, K.P.Jackson, B.Larson, M.G.McKinzie, D.A.Smith, A.Trudel, M.Vetterli

Gamow-Teller Strength in ^60,62,64Ni(n, p) Reactions at 198 MeV

NUCLEAR REACTIONS ^60,62,64Ni(n, p), E=198 MeV; measured σ(θ, Ep). ^60,62,64Co deduced Gamow-Teller transition strength. Multipole analyses.

doi: 10.1103/PhysRevC.51.1144
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13636.

1994FO12      Phys.Rev. C50, 2927 (1994)

H.T.Fortune, A.L.Williams

Isospin Dependence of Double Analog Cross Sections at T(π) = 400-500 MeV

NUCLEAR STRUCTURE A=14-80; analyzed pion-induced double charge exchange σ(θ) data; deduced isospin dependence.

doi: 10.1103/PhysRevC.50.2927
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1994MC02      Phys.Rev. C49, 2054 (1994)

M.G.McKinzie, H.T.Fortune, P.Hui, R.Ivie, C.Laymon, X.Li, S.Loe, D.A.Smith, A.L.Williams, J.M.O'Donnell, S.Blanchard, G.R.Burleson, B.Lail

Interference Effects in Nonanalog Pion Double Charge Exchange

NUCLEAR REACTIONS ²⁷Al(π⁺, π^-), E=100-293 MeV; measured σ(θ) vs E; deduced nonanalog pion double charge exchange interference effects.

doi: 10.1103/PhysRevC.49.2054
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1994RA02      Phys.Rev. C49, 627 (1994)

M.W.Rawool-Sullivan, C.L.Morris, J.M.O'Donnell, R.M.Whitton, B.K.Park, G.R.Burleson, D.L.Watson, J.Johnson, A.L.Williams, D.A.Smith, D.J.Ernst, C.M.Chen

Pion Elastic Scattering on ²⁸Si at T(π) = 400 MeV

NUCLEAR REACTIONS ²⁸Si(π⁺, π⁺), (π^-, π^-), E=400 MeV; measured σ(θ), σ(E(π), θ(π)). Momentum-space first-order optical model.

doi: 10.1103/PhysRevC.49.627
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1993BE18      Phys.Lett. 305B, 13 (1993)

D.P.Beatty, R.Gilman, Q.Sun, H.T.Fortune, A.L.Williams, D.A.Smith, P.Hui, S.Loe, M.A.Landau, J.M.O'Donnell, M.Rawool-Sullivan, J.Urbina, D.L.Watson

Pion Double Charge Exchange on ¹⁶O Above the Δ(1232) Resonance

NUCLEAR REACTIONS ¹⁶O(π⁺, π^-), E=100-300 MeV; measured σ(θ) vs E.

doi: 10.1016/0370-2693(93)91098-8
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1993BE34      Phys.Rev. C48, 1428 (1993)

D.P.Beatty, G.R.Burleson, M.Rawool-Sullivan, M.El-Ghossain, H.T.Fortune, A.L.Williams, D.A.Smith, C.L.Morris, R.Garnett, D.L.Watson, J.Johnson, H.Ward, C.Whitley, S.K.Matthews, M.Palarczyk, C.Edwards, M.Espy, O.Hashimoto, H.Tomoyuki

Pion Double Charge Exchange on ¹⁶O at T(π) = 300-500 MeV

NUCLEAR REACTIONS ¹⁶O(π⁺, π^-), E=300-500 MeV; measured σ(θ) vs E; deduced reaction mechanism.

doi: 10.1103/PhysRevC.48.1428
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1993JO03      Phys.Rev. C47, 2571 (1993)

J.D.Johnson, G.R.Burleson, C.Edwards, M.El'Ghossain, M.A.Espy, R.Garnett, A.Hussein, K.Johnson, C.F.Moore, C.L.Morris, J.M.O'Donnell, M.Palarczyk, M.Rawool-Sullivan, H.Ward, D.Watson, C.Whitley, A.L.Williams

Search for an (Eta) Bound State in Pion Double Charge Exchange on ¹⁸O

NUCLEAR REACTIONS ¹⁸O(π⁺, π^-), E=350-440 MeV; measured missing mass spectra, σ(θ) vs E; deduced no structure near eta production threshold.

doi: 10.1103/PhysRevC.47.2571
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1993KA03      Phys.Rev. C47, 1219 (1993)

M.A.Kagarlis, H.T.Fortune, P.Hui, S.Loe, D.A.Smith, A.L.Williams, J.Urbina

Double Charge Exchange in ⁹³Nb(π⁺, π^-)⁹³Tc at T(π) = 164, 230, and 294 MeV

NUCLEAR REACTIONS ⁹³Nb(π⁺, π^-), E=164-294 MeV; measured spectra, σ(θ). ⁹³Tc deduced levels, double IAS excitation.

doi: 10.1103/PhysRevC.47.1219
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1993WI15      Phys.Rev. C48, 1840 (1993)

J.E.Wise, M.R.Braunstein, S.Hoibraten, M.D.Kohler, B.J.Kriss, J.Ouyang, R.J.Peterson, J.A.McGill, C.L.Morris, S.J.Seestrom, R.M.Whitton, J.D.Zumbro, C.M.Edwards, A.L.Williams

Quasifree Pion Scattering at 500 MeV

NUCLEAR REACTIONS C(π⁺, π⁺), (π^-, π^-), E=500 MeV; measured σ(θ) vs energy loss, σ(θ). Ca, Zr, Pb(π⁺, π⁺), (π^-, π^-), E=500 MeV; measured σ(θ); deduced surface single nucleon knockout evidence.

doi: 10.1103/PhysRevC.48.1840
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1993ZU01      Phys.Rev.Lett. 71, 1796 (1993)

J.D.Zumbro, C.L.Morris, J.A.McGill, S.J.Seestrom, R.M.Whitton, C.M.Edwards, A.L.Williams, M.R.Braunstein, M.D.Kohler, B.J.Kriss, S.Hoibraten, R.J.Peterson, J.Ouyang, J.E.Wise, W.R.Gibbs

Inclusive Scattering of 500-MeV Pions from Carbon

NUCLEAR REACTIONS C(π⁺, π⁺X), (π^-, π^-X), E=500 MeV; measured inclusive σ(θ, E(π)); deduced comparison with (e, e'X).

doi: 10.1103/PhysRevLett.71.1796
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1992JO03      Phys.Rev. C46, 52 (1992)

M.K.Jones, D.Dehnhard, S.K.Nanda, S.M.Sterbenz, C.L.Morris, M.Plum, J.D.Zumbro, A.H.Hussein, D.S.Oakley, M.J.Smithson, A.L.Williams, J.McDonald, M.A.Bryan, A.H.Fuentes, M.Lynker, D.Crockett, M.A.Machuca, S.Mordechai, C.F.Moore

⁴He(π, π'p)³H Reaction Near the P₃₃ π-Nucleon Resonance

NUCLEAR REACTIONS ⁴He(π⁺, π⁺'p), (π^-, π^-'p), E=140, 180 MeV; measured σ(θ(π'), σ(p)) vs excitation energy; deduced reaction mechanisms.

doi: 10.1103/PhysRevC.46.52
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1991OA01      Phys.Rev. C44, 2058 (1991)

D.S.Oakley, R.J.Peterson, S.J.Seestrom, C.L.Morris, M.A.Plum, J.D.Zumbro, A.L.Williams, M.A.Bryan, J.W.McDonald, C.F.Moore

Energy Dependence of Pion Inelastic Scattering from ²⁰⁸Pb

NUCLEAR REACTIONS ²⁰⁸Pb(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-), (π^-, π^-'), E=120, 250 MeV; calculated σ(θ). ²⁰⁸Pb levels deduced proton, neutron matrix elements ratio. Different structure models.

doi: 10.1103/PhysRevC.44.2058
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1991WA04      Phys.Rev. C43, 1318 (1991)

D.L.Watson, R.Gilman, C.L.Morris, J.D.Zumbro, S.Mordechai, M.Burlein, J.M.O'Donnell, H.T.Fortune, A.Kotwal, J.Puttz, J.D.Silk, J.S.McDonald, C.F.Moore, A.L.Williams, S.Y.Yoo

Pion-Induced Double Charge Exchange on ¹²C, ²⁴Mg, ³²S, and ⁴⁰Ca

NUCLEAR REACTIONS ¹²C, ²⁴Mg, ³²S, ⁴⁰Ca(π⁺, π^-), E=164 MeV; measured σ(θ). Isobar-nucleon interaction mechanism.

doi: 10.1103/PhysRevC.43.1318
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1991WI03      Phys.Rev. C43, 766 (1991)

A.L.Williams, J.A.McGill, C.L.Morris, G.R.Burleson, J.A.Faucett, D.S.Oakley, M.Burlein, H.T.Fortune, J.M.O'Donnell, G.P.Kahrimanis, C.F.Moore

Pion Double Charge Exchange on ^42,44,48Ca for 300 ≤ T(π) ≤ 550 MeV

NUCLEAR REACTIONS ^42,44,48Ca(π⁺, π^-), E=300-550 MeV; measured σ(θ), σ(E(π)); deduced two-amplitude model parameters.

doi: 10.1103/PhysRevC.43.766
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1991WI13      Phys.Rev. C44, 2025 (1991)

A.L.Williams, K.W.Johnson, G.P.Kahrimanis, H.Ward, C.F.Moore, J.A.McGill, C.L.Morris, G.R.Burleson, J.A.Faucett, M.Rawool-Sullivan, D.S.Oakley, M.Burlein, H.T.Fortune, E.Insko, R.Ivie, J.M.O'Donnell, D.Smith

Mass Dependence of High-Energy Pion Double Charge Exchange

NUCLEAR REACTIONS ²⁶Mg, ^46,50Ti, ^54,56Fe, ⁵²Cr, ⁸⁰Se, ⁹⁰Zr, ¹⁹⁷Au, ²⁰⁸Pb(π⁺, π^-), E=450, 500 MeV; measured σ(θ), θ=5°; deduced mass dependence, two-amplitude model parameters. Double isobaric analog state excitation.

doi: 10.1103/PhysRevC.44.2025
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1990JO04      Phys.Rev. C42, R807 (1990)

M.K.Jones, D.Dehnhard, S.K.Nanda, S.M.Sterbenz, C.L.Morris, M.Plum, J.D.Zumbro, A.Hussein, D.S.Oakley, M.J.Smithson, A.L.Williams, J.McDonald, M.A.Bryan, A.H.Fuentes, M.Lynker, D.Crockett, M.A.Machuca, S.Mordechai, C.F.Moore

⁴He(π, π'p)³H Reaction: Quasifree and resonance scattering

NUCLEAR REACTIONS ⁴He(π⁺, π⁺'p), (π^-, π^-'p), E=180 MeV; measured σ(θ(π), θp); deduced σ(π⁺)/σ(π^-). DWIA calculation.

doi: 10.1103/PhysRevC.42.R807
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1989WI02      Phys.Lett. 216B, 11 (1989)

A.L.Williams, L.Agnew, L.G.Atencio, H.W.Baer, M.Burlein, G.R.Burleson, K.S.Dhuga, H.T.Fortune, G.S.Kyle, J.A.McGill, C.F.Moore, C.L.Morris, S.Mordechai, J.M.O'Donnell, M.W.Rawool, S.Schilling, J.D.Silk, J.D.Zumbro

Pion Double Charge Exchange Above the Δ(1232) Resonance

NUCLEAR REACTIONS ¹⁴C, ¹⁸O(π⁺, π^-), E=300, 400, 500 MeV; measured σ(E(π), θ(π)). ¹⁴N, ¹⁸Ne deduced double IAS excitation.

doi: 10.1016/0370-2693(89)91360-9
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1988OA03      Phys.Rev. C38, 2978 (1988)

D.S.Oakley, R.J.Peterson, D.J.Rilett, C.L.Morris, S.J.Greene, B.Boyer, K.Johnson, A.H.Fuentes, J.W.McDonald, M.J.Smithson, A.L.Williams, S.H.Yoo, C.F.Moore

Energy Dependence of Pion Inelastic Scattering to the 1⁺ States in ¹²C

NUCLEAR REACTIONS ¹²C(π^-, π^-'), (π⁺, π⁺'), E=80-295 MeV; measured σ(θ); deduced isobar excitation role. ¹²C levels deduced σ ratio.

doi: 10.1103/PhysRevC.38.2978
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1987DH01      Phys.Rev. C35, 1148 (1987)

K.S.Dhuga, G.R.Burleson, J.A.Faucett, R.L.Boudrie, W.B.Cottingame, S.J.Greene, C.L.Morris, Z.F.Wang, J.W.McDonald, C.F.Moore, S.Mordechai, A.L.Williams, P.A.Seidl, M.A.Bryan, S.Nanda, S.J.Seestrom-Morris, J.D.Zumbro

Sensitivity of Large-Angle Pion Elastic Scattering to Medium Modifications

NUCLEAR REACTIONS ¹²C, ¹⁶O(π⁺, π⁺), E=100-240 MeV; measured σ(θ); deduced model parameter modifications. Optical model.

doi: 10.1103/PhysRevC.35.1148
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