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NSR database version of March 2, 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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