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Search: Author = L.D.Knutson

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2015VO18      Phys.Rev. C 92, 065502 (2015)

P.A.Voytas, E.A.George, G.W.Severin, L.Zhan, L.D.Knutson

Measurement of the branching ratio for the β decay of ¹⁴O

RADIOACTIVITY ¹⁴O(EC), (β⁺)[from N(p, n), E=8 MeV]; measured Eβ, Iβ positron spectra using a superconducting magnetic spectrometer and a thick Si(Li) detector at the University of Wisconsin Nuclear Physics Laboratory; deduced β branching ratio and partial half-life for superallowed 0+ to 0+ Fermi decay to the first excited state of ¹⁴N, logft, Ft. Discussed impact on the determination of the V_ud element of the CKM matrix. Comparison with previous experimental measurements, and with evaluation of other superallowed 0+ to 0+ β transitions.

doi: 10.1103/PhysRevC.92.065502
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2014GE07      Phys.Rev. C 90, 065501 (2014)

E.A.George, P.A.Voytas, G.W.Severin, L.D.Knutson

Measurement of the shape factor for the β decay of ¹⁴O

RADIOACTIVITY ¹⁴O(β⁺)[from ¹⁴N(p, n), E=8 MeV]; measured Eγ, Iγ using BGO detector, Eβ, Iβ using a superconducting beta spectrometer at University of Wisconsin Nuclear Physics Laboratory; deduced statistical shape S(E) of the β⁺ spectrum for the 0+ to 1+ β transition as a function of the positron kinetic energy. Comparison with predictions from theoretical calculations. Relevance to test of conserved vector current (CVC) hypothesis.

doi: 10.1103/PhysRevC.90.065501
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2014SE12      Phys.Rev. C 89, 057302 (2014)

G.W.Severin, L.D.Knutson, P.A.Voytas, E.A.George

⁶⁶Ga ground state β spectrum

RADIOACTIVITY ⁶⁶Ga(β⁺), (EC)[from Zn(p, X), E=11 MeV from Wisconsin RDS-111 cyclotron]; measured E(β), I(β), Kurie plot, shape of the ground-state 0+ to 0+ Fermi β transition using a new iron-free superconducting β spectrometer at University of Wisconsin; deduced slope and precise endpoint energy. Monte Carlo simulations. Comparison with previous experimental results, and with evaluations.

doi: 10.1103/PhysRevC.89.057302
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2012EN01      Appl.Radiat.Isot. 70, 355 (2012)

J.W.Engle, G.W.Severin, T.E.Barnhart, L.D.Knutson, R.J.Nickles

Cross sections of the ³⁶Ar(d, α)^34mCl, ⁴⁰Ar(d, α)³⁸Cl, and ⁴⁰Ar(d, p)⁴¹Ar nuclear reactions below 8.4 MeV

NUCLEAR REACTIONS ^36,40Ar(d, α), (d, p), E<8.4 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with ALICE/ASN code calculations.

doi: 10.1016/j.apradiso.2011.10.003
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1885.

2010SE16      Phys.Rev. C 82, 067301 (2010)

G.W.Severin, L.D.Knutson, P.A.Voytas, E.A.George

Half-life of ⁶⁶Ga

RADIOACTIVITY ⁶⁶Ga(β⁺)[from ⁶⁶Zn(p, n), E=7 MeV]; measured Eβ, Iβ, isotopic half-life. Comparison with previous studies and evaluations.

doi: 10.1103/PhysRevC.82.067301
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2003GE01      Phys.Rev. C 67, 027001 (2003)

E.A.George, L.D.Knutson

Scattering lengths for p-³He elastic scattering from an effective-range phase shift analysis

NUCLEAR REACTIONS ³He(p, p), E=0-10 MeV; calculated phase shifts, analyzing powers, scattering lengths. Comparison with data.

doi: 10.1103/PhysRevC.67.027001
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2002PY01      Phys.Rev.Lett. 88, 122501 (2002)

M.C.Pyle, A.Garcia, E.Tatar, J.Cox, B.K.Nayak, S.Triambak, B.Laughman, A.Komives, L.O.Lamm, J.E.Rolon, T.Finnessy, L.D.Knutson, P.A.Voytas

Revalidation of the Isobaric Multiplet Mass Equation

NUCLEAR REACTIONS ³²S(p, p), E=3.2-3.7 MeV; measured σ(E, θ). ³³Cl deduced resonance energy. Implications for isobaric multiplet mass equation discussed.

doi: 10.1103/PhysRevLett.88.122501
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2001ME12      Phys.Rev. C63, 064002 (2001)

H.O.Meyer, A.Wellinghausen, J.T.Balewski, J.Doskow, R.E.Pollock, B.von Przewoski, T.Rinckel, P.Thorngren-Engblom, L.D.Knutson, W.Haeberli, B.Lorentz, F.Rathmann, B.Schwartz, T.Wise, W.W.Daehnick, S.K.Saha, P.V.Pancella

Complete Set of Polarization Observables in p(pol)p(pol) → ppπ⁰ Close to Threshold

NUCLEAR REACTIONS ¹H(polarized p, pπ⁰), E=325-400 MeV; measured σ(E, θ), polarization observables; deduced partial wave amplitudes. Polarized target.

doi: 10.1103/PhysRevC.63.064002
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2001VI05      Phys.Rev.Lett. 86, 3739 (2001)

M.Viviani, A.Kievsky, S.Rosati, E.A.George, L.D.Knutson

The A_y Problem for p-³He Elastic Scattering

NUCLEAR REACTIONS ³He(polarized p, p), E(cm)=1.20, 1.69 MeV; measured σ(θ), Ay(θ). Comparison with model predictions.

doi: 10.1103/PhysRevLett.86.3739
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1510.

2000ME10      Phys.Lett. 480B, 7 (2000)

H.O.Meyer, L.D.Knutson, J.T.Balewski, W.W.Daehnick, J.Doskow, W.Haeberli, B.Lorentz, R.E.Pollock, P.V.Pancella, B.von Przewoski, F.Rathmann, T.Rinckel, S.W.Saha, B.Schwartz, P.Thorngren-Engblom, A.Wellinghausen, T.Wise

Observation of a Large Longitudinal Analyzing Power in a Nuclear Reaction

NUCLEAR REACTIONS ¹H(polarized p, pπ⁰), E=375 MeV; measured longitudinal analyzing power vs azimuthal angle; deduced implications for parity violation experiments. Polarized target.

doi: 10.1016/S0370-2693(00)00360-9
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1999GE02      Phys.Rev. C59, 598 (1999)

E.A.George, L.D.Knutson

Determination of the ⁶Li → α + d Asymptotic D- to S-State Ratio by a Restricted Phase Shift Analysis

NUCLEAR REACTIONS ⁴He(polarized ⁶Li, ⁶Li), E(cm)=2.2 MeV; analyzed σ(E, θ), tensor analyzing powers, phase shifts. ⁶Li deduced aymptotic D- to S-state ratio.

doi: 10.1103/PhysRevC.59.598
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1999KN01      Phys.Rev. C59, 2152 (1999)

L.D.Knutson

Watson's Theorem for Low-Energy p-d Radiative Capture

NUCLEAR REACTIONS ²H(p, γ), E not given; analysed use of Watson's theorem for data analysis.

doi: 10.1103/PhysRevC.59.2152
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1999SM06      Phys.Rev.Lett. 82, 4591 (1999)

M.K.Smith, L.D.Knutson

Matrix Elements for Low-Energy p-d Radiative Capture

NUCLEAR REACTIONS ²H(polarized p, γ), E(cm)=2 MeV; ¹H(polarized d, γ), E(cm)=2 MeV; measured σ(θ), Ay(θ), tensor analyzing powers; deduced matrix elements.

doi: 10.1103/PhysRevLett.82.4591
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1549.

1998KN01      Nucl.Phys. A631, 9c (1998)

L.D.Knutson

Few-Body Reactions in Hadronic Systems at Low Energies

doi: 10.1016/S0375-9474(98)00012-8
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1998KN04      Phys.Rev. C58, 49 (1998)

L.D.Knutson, A.Kievsky

Effects of Three-Body Forces in the ³H Bound State

NUCLEAR STRUCTURE ³He; calculated wave functions; deduced three-body force effects.

doi: 10.1103/PhysRevC.58.49
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1997GE05      Phys.Rev. C56, 270 (1997)

E.A.George, D.D.Pun Casavant, L.D.Knutson

Cross Section and Analyzing Powers for ⁶Li-⁴He Elastic Scattering at 5.5 and 19.6 MeV

NUCLEAR REACTIONS ⁴He(polarized ⁶Li, ⁶Li), E=5.5, 19.6 MeV; measured σ(θ), vector, tensor analyzing powers; deduced optical model parameters, deuteron exchange role.

doi: 10.1103/PhysRevC.56.270
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0510.

1996BR24      Phys.Rev. C54, 1538 (1996)

K.P.Browne, W.K.Pitts, M.K.Smith, J.E.McAninch, L.D.Knutson

Measurement of T₂₀(90°) in the ¹H(d(pol), γ)³He Reaction Below Deuteron Breakup Threshold

NUCLEAR REACTIONS ¹H(polarized d, γ), E=5.25 MeV; measured T₂₀(θ). Faddeev calculations comparison.

doi: 10.1103/PhysRevC.54.1538
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0163.

1996GE05      Phys.Rev. C54, 1523 (1996)

E.A.George, J.Frandy, M.K.Smith, Y.Zhou, L.D.Knutson, J.Golak, H.Witala, W.Glockle, D.Huber

Measurement of the Longitudinal Analyzing Power for Noncoplanar p-d Breakup

NUCLEAR REACTIONS ²H(polarized p, X), E=9 MeV; measured noncoplanar breakup associated longitudinal analyzing power. Faddeev calculations comparison.

doi: 10.1103/PhysRevC.54.1523
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1994KN03      Phys.Rev.Lett. 73, 3062 (1994)

L.D.Knutson

Polarization Observables for the p-d Breakup Reaction and the Nuclear Three-Body Force

doi: 10.1103/PhysRevLett.73.3062
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1993AL18      Phys.Rev. C48, 1890 (1993)

M.T.Alley, L.D.Knutson

Spin Correlation Measurements for p-³He Elastic Scattering between 4.0 and 10.0 MeV

NUCLEAR REACTIONS ³He(polarized p, p), E=4-10 MeV; measured analyzing power vs θ, spin correlation coefficient vs θ. Polarized, unpolarized target.

doi: 10.1103/PhysRevC.48.1890
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0121.

1993AL19      Phys.Rev. C48, 1901 (1993)

M.T.Alley, L.D.Knutson

Effective Range Parametrization of Phase Shifts for p-³He Elastic Scattering Between 0 and 12 MeV

NUCLEAR REACTIONS ³He(polarized p, p), E ≤ 12 MeV; analyzed σ(θ), analyzing power, spin correlation coefficients data; deduced energy dependent phase shifts.

doi: 10.1103/PhysRevC.48.1901
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1993GE04      Phys.Rev. C48, 688 (1993)

E.A.George, L.D.Knutson

New Determination of the Asymptotic D-State to S-State Ratio of the Triton Using (d(pol), t) Reactions at Sub-Coulomb Energies

NUCLEAR REACTIONS ¹¹⁹Sn(polarized d, t), E=4.9-9 MeV; ²⁰⁸Pb(polarized d, t), E=9 MeV; measured T₂₀(θ). ³H deduced asymptotic D- to S-state ratio. Enriched targets. DWBA analysis.

doi: 10.1103/PhysRevC.48.688
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0164.

1993KN02      Phys.Rev.Lett. 71, 3762 (1993)

L.D.Knutson, L.O.Lamm, J.E.McAninch

Determination of the Phase Shifts for p-d Elastic Scattering at E(p) = 3 MeV

NUCLEAR REACTIONS ²H(polarized p, p), E=3 MeV; ¹H(polarized d, d), E=6 MeV; measured σ(θ), analyzing power vs θ; deduced phase shift parameters. Faddeev model, phase shift fits.

doi: 10.1103/PhysRevLett.71.3762
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1992GE05      Phys.Rev.Lett. 69, 2447 (1992)

E.A.George, L.D.Knutson

Comment on ' Precise Determination of Triton D-State Parameters Using Transfer Reactions at Sub-Coulomb Energies '

NUCLEAR STRUCTURE ³H; analyzed asymptotic D- to S-state ratio estimates; deduced uncertainity.

doi: 10.1103/PhysRevLett.69.2447
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1992GO04      Phys.Rev. C45, R2536 (1992)

F.Goeckner, W.K.Pitts, L.D.Knutson

Analyzing Power Measurements for p-d Radiative Capture

NUCLEAR REACTIONS ²H(polarized p, γ), E=5 MeV; ¹H(polarized d, γ), E=10 MeV; measured A(y)(θ), iT₁₁(θ), T₂₀(θ), T₂₁(θ), T₂₂(θ); deduced transition γ-multipolarity, multipole components.

doi: 10.1103/PhysRevC.45.R2536
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0470.

1992VI06      Phys.Rev. C46, 410 (1992)

S.E.Vigdor, W.W.Jacobs, L.D.Knutson, J.Sowinski, C.Bloch, P.L.Jolivette, S.W.Wissink, R.C.Byrd, C.Whiddon

Charge Symmetry Breaking in n(pol)-p(pol) Scattering at 183 MeV

NUCLEAR REACTIONS ¹H(polarized n, n), E=183 MeV; measured spin-correlation C(NN) vs θ; deduced charge symmetry breaking evidence. High precision, polarized target.

doi: 10.1103/PhysRevC.46.410
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1991GO01      Phys.Rev. C43, 66 (1991)

F.Goeckner, L.O.Lamm, L.D.Knutson

Measurement of the Electric Polarizability of ³He

NUCLEAR REACTIONS ²⁰⁸Pb(³He, ³He), E=7-17 MeV; measured relative σ(θ). Photo-absorption sum-rule result comparison. Enriched target.

doi: 10.1103/PhysRevC.43.66
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1991KN02      Phys.Rev.Lett. 66, 1410 (1991)

L.D.Knutson, S.E.Vigdor, W.W.Jacobs, J.Sowinski, P.L.Jolivette, S.W.Wissink, C.Bloch, C.Whiddon, R.C.Byrd

Charge-Symmetry Violation in Neutron-Proton Elastic Scattering at E(n) = 183 MeV

NUCLEAR REACTIONS ¹H(polarized n, n), E=183 MeV; measured analyzing powers, difference; deduced charge symmetry violation evidence.

doi: 10.1103/PhysRevLett.66.1410
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1990JA17      J.Phys.(Paris), Colloq.C-6, 511 (1990)

W.W.Jacobs, L.D.Knutson, S.E.Vigdor, J.G.Sowinski, P.L.Jolivette, S.W.Wissink, C.Bloch, R.C.Byrd, C.Whiddon

Charge Symmetry Breaking in n-p Scattering at 183 MeV

NUCLEAR REACTIONS ¹H(polarized n, n), E=183 MeV; measured spin-dependent asymmetry vs θ. Meson-exchange calculations. Polarized target.

1990KN02      Nucl.Phys. A508, 185c (1990)

L.D.Knutson, S.E.Vigdor, W.W.Jacobs, J.Sowinski, P.L.Jolivette, S.W.Wissink, C.Bloch, C.Whiddon, R.C.Byrd

A Test of Charge Symmetry in n-p Scattering at E(n) = 183 MeV

NUCLEAR REACTIONS ¹H(polarized n, n), E=183 MeV; measured asymmetry, analyzing power difference; deduced charge symmetry breaking evidence. Polarized target.

doi: 10.1016/0375-9474(90)90474-Z
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1990RO02      Phys.Rev. C41, 898 (1990)

N.L.Rodning, L.D.Knutson

Asymptotic D-State to S-State Ratio of the Deuteron

NUCLEAR REACTIONS ²⁰⁸Pb(polarized d, p), E=6, 7 MeV; ¹³⁶Xe(polarized d, p), E=4.5, 5.5 MeV; ¹³⁶Xe(polarized d, d), E=5.5 MeV; measured T₂₀(θ). ²H deduced asymptotic D- to S-state ratio. DWBA analysis.

doi: 10.1103/PhysRevC.41.898
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1990SO13      J.Phys.(Paris), Colloq.C-6, 395 (1990)

J.Sowinski, W.W.Jacobs, L.D.Knutson, S.E.Vigdor, P.L.Jolivette, S.W.Wissink, C.Bloch, R.C.Byrd, M.Minty, E.J.Stephenson, J.Templon, C.Whiddon

Spin Observables in Nucleon-Nucleon Scattering Near 180 MeV

NUCLEAR REACTIONS ¹H(polarized n, p), (polarized p, p), E=180 MeV; measured analyzing power, spin correlation parameter vs θ. Phase shift, model analyses.

1987KN03      J.Phys.(London) G13, L109 (1987)

L.D.Knutson, N.L.Rodning

On the Determination of the Deuteron Asymptotic D/S Ratio from Sub-Coulomb (d, p) Reactions

NUCLEAR STRUCTURE ²H; analyzed sub-Coulomb stripping data; deduced asymptotic D- to S- state ratio ambiguities.

doi: 10.1088/0305-4616/13/6/004
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1987SO05      Nucl.Phys. A464, 223 (1987)

J.Sowinski, D.D.Pun Casavant, L.D.Knutson

High Precision Measurement of the Analyzing Powers for d(pol) - p Elastic Scattering at E(d) = 10 MeV

NUCLEAR REACTIONS ¹H(polarized d, d), E=10 MeV; measured iT₁₁(θ), T₂₀(θ), T₂₁(θ), T₂₂(θ). Faddeev calculations.

doi: 10.1016/0375-9474(87)90336-8
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA1244.

1987SO06      Phys.Rev. C35, 1246 (1987)

J.P.Soderstrum, L.D.Knutson

Measurement of the Analyzing Power for n-p Radiative Capture

NUCLEAR REACTIONS ¹H(polarized n, γ), E=6, 13.43 MeV; measured capture Eγ, Iγ, analyzing power vs θ.

doi: 10.1103/PhysRevC.35.1246
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13115.

1987SO16      Phys.Lett. 199B, 341 (1987)

J.Sowinski, R.C.Byrd, W.W.Jacobs, S.E.Vigdor, C.Whiddon, S.W.Wissink, L.D.Knutson, P.L.Jolivette

A Measurement of the Spin Correlation Parameter C(NN)(θ) in n-p Scattering at 181 MeV

NUCLEAR REACTIONS ¹H(polarized n, n), E=181 MeV; measured spin correlation parameter. Model comparison.

doi: 10.1016/0370-2693(87)90930-0
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13175.

1986RO21      Phys.Rev.Lett. 57, 2248 (1986)

N.L.Rodning, L.D.Knutson

New Determination of the Asymptotic D-State-to-S-State Ratio of the Deuteron

NUCLEAR REACTIONS ²⁰⁸Pb(polarized d, p), E=6, 7 MeV; ¹³⁶Xe(polarized d, p), E=4.5, 5.5 MeV; measured tensor analyzing power vs θ. ²H deduced asymptotic D-to S-state ratio. ³He polarimeter. DWBA analysis.

doi: 10.1103/PhysRevLett.57.2248
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1986SO07      Phys.Rev. C34, 401 (1986)

J.P.Soderstrum, L.D.Knutson

Spin Dependence of the Isospin-Forbidden Decay ⁸Be(E(x)=27.5 MeV) → d + ⁶Li

NUCLEAR REACTIONS ⁶Li(polarized d, α), E ≈ 6.9-7.05 MeV; measured σ(θ), T₂₀(θ), T₂₁(θ), T₂₂(θ), iT₁₁(θ). ²H(polarized ⁶Li, α), E=20.79 MeV; measured T₂₀(θ), T₂₁(θ), T₂₂(θ), iT₁₁(θ). ⁸Be deduced isospin forbidden decay, channel spin dependent Γ ratio.

doi: 10.1103/PhysRevC.34.401
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1551.

1985KA05      Nucl.Phys. A435, 502 (1985)

J.E.Kammeraad, L.D.Knutson

A Study of Deuteron Quadrupole Moment Effects in Sub-Coulomb Scattering of Tensor Polarized Deuterons

NUCLEAR REACTIONS ²⁰⁸Pb(polarized d, d), E=4-9 MeV; measured T₂₀(θ). ²H deduced quadrupole moment.

doi: 10.1016/0375-9474(85)90475-0
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1564.

1985PU01      Phys.Lett. 154B, 6 (1985)

D.D.Pun Casavant, J.G.Sowinski, L.D.Knutson

On the Determination of the Deuteron Asymptotic D- to S-State Wave Function Ratio by the Pole-Extrapolation Method: Truncation errors

NUCLEAR REACTIONS ¹H(polarized d, d), E=10 MeV; measured tensor analyzing power T₂₂(θ). ²H deduced D-to S-state asymptotic ratio estimate error limits.

doi: 10.1016/0370-2693(85)91556-4
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1983JE01      Phys.Rev. C27, 697 (1983)

R.H.Jeppesen, M.J.Jakobson, M.D.Cooper, D.C.Hagerman, M.B.Johnson, R.P.Redwine, G.R.Burleson, K.F.Johnson, R.E.Marrs, H.O.Meyer, I.Halpern, L.D.Knutson

Pion-Nucleus Forward Scattering Amplitudes from Total Cross Section Measurements

NUCLEAR REACTIONS ²⁷Al, ⁴⁰Ca, ^63,65Cu, Sn, ¹⁶⁵Ho, Pb(π⁺, π⁺), (π⁺, X), (π^-, π^-), (π^-, X), E=114-215 MeV; measured total σ, attenuation σ; deduced Coulomb distorted forward scattering amplitude real, imaginary parts. Strong absorption model.

doi: 10.1103/PhysRevC.27.697
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1983KA23      J.Phys.(London) G9, L217 (1983)

J.E.Kammeraad, L.D.Knutson

On the Determination of the Deuteron Quadrupole Moment by Elastic Scattering of Polarised Deuterons

NUCLEAR REACTIONS ²⁰⁸Pb(polarized d, d), E=4-9 MeV; measured tensor polarization T₂₀(θ) vs E. ²H deduced quadrupole moment. Sub-Coulomb elastic scattering.

doi: 10.1088/0305-4616/9/10/003
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1982GO20      Phys.Lett. 118B, 241 (1982)

R.P.Goddard, L.D.Knutson, J.A.Tostevin

Determination of the Asymptotic D- to S-State Ratio of the Deuteron from Sub-Coulomb (d(pol), p) Measurements

NUCLEAR REACTIONS ²⁰⁸Pb(polarized d, p), E=7, 8 MeV; analyzed tensor analyzing power data. ²H deduced asymptotic D- to S-state wave function ratio. DWBA analysis, finite-range effects, deuteron stretching, deuteron-nucleus tensor forces.

doi: 10.1016/0370-2693(82)90175-7
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1982RO15      Phys.Rev.Lett. 49, 909 (1982)

N.L.Rodning, L.D.Knutson, W.G.Lynch, M.B.Tsang

Measurement of the Electric Polarizability of the Deuteron

NUCLEAR REACTIONS ²⁰⁸Pb(d, d), E=3-7 MeV; measured σ(θ) vs E, deviations from Rutherford scattering. ²H deduced electric polarizability.

doi: 10.1103/PhysRevLett.49.909
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1982SE03      Phys.Rev. C26, 257 (1982)

S.Sen, L.D.Knutson

Determination of the Triton D-State Parameter D₂ from Sub-Coulomb (d(pol), t) Measurements

NUCLEAR REACTIONS ⁹¹Zr(polarized d, t), E=5 MeV; ¹⁴⁷Sm(polarized d, t), E=6.5 MeV; measured T₂₀(θ), T₂₁(θ), T₂₂(θ). ³H deduced D-state parameter. Enriched targets. DWBA analysis.

doi: 10.1103/PhysRevC.26.257
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1553.

1981GO05      Phys.Rev. C23, 1815 (1981)

C.A.Gossett, L.D.Knutson, P.A.Quin

Configuration of States in ²⁰¹Bi from ²⁰⁹Bi(d(pol), p)

NUCLEAR REACTIONS ²⁰⁹Bi(polarized d, p), E=12 MeV; measured σ(θ), iT₁₁(θ). Natural target.

doi: 10.1103/PhysRevC.23.1815
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1621.

1981KA21      Nucl.Phys. A365, 237 (1981)

J.E.Kammeraad, L.D.Knutson

A T₂₁ Analyzing Power Standard for Tensor Polarized Deuteron Beams

NUCLEAR REACTIONS ¹⁶O(polarized d, α), E=8.06 MeV; measured iT₁₁(θ), T₂₀(θ); deduced T₂₁(θ). ⁶Li(polarized d, α), E=7.92 MeV; measured T₂₁(θ).

doi: 10.1016/0375-9474(81)90296-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0770.

1981KN08      Phys.Rev. C24, 411 (1981)

L.D.Knutson, P.C.Colby, B.P.Hichwa

Determination of the D₂ Parameter for (d, t) Reactions

NUCLEAR REACTIONS ⁹¹Zr(polarized d, t), E=6, 7.5 MeV; ¹¹⁸Sn(polarized d, t), E=12 MeV; ¹¹⁹Sn(polarized d, t), E=6, 7.5, 9 MeV; ²⁰⁸Pb(polarized d, t), E=10, 12.3 MeV; measured T₂₀(θ), T₂₁(θ), T₂₂(θ); deduced D-state effects in triton wave function. Enriched target. DWBA analysis.

doi: 10.1103/PhysRevC.24.411
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1980BI10      Nucl.Phys. A349, 445 (1980)

J.A.Bieszk, L.D.Knutson

Determination of the D₂ Parameter for (d, ³He) Reactions

NUCLEAR REACTIONS ⁶³Cu(polarized d, d), (polarized d, ³He), E=9, 12 MeV; measured σ(θ), analyzing power vs θ; deduced optical model potentials. ³He deduced D-state wave function component. Enriched target. DWBA analysis.

doi: 10.1016/0375-9474(80)90299-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1552.

1979KN02      Phys.Lett. 85B, 209 (1979)

L.D.Knutson, P.C.Colby, J.A.Bieszk

D-State Effects in Low-Energy (d, t) and (d, ³He) Reactions

NUCLEAR REACTIONS ⁹¹Zr, ¹¹⁹Sn(polarized d, t), E=6 MeV; ²⁰⁸Pb(polarized d, t), E=10 MeV; ⁶³Cu(polarized d, ³He), E=9 MeV; measured T₂₀(θ), T₂₁(θ), T₂₂(θ); deduced sensitivity to D-state components in 3-nucleon wave function. DWBA analysis, local energy approximation.

doi: 10.1016/0370-2693(79)90580-X
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1978KN04      Phys.Rev. C18, 1958 (1978)

L.D.Knutson, D.Chiang

Effect of the Spin-Dependent Electromagnetic Forces on Low-Energy Proton-Proton Scattering

NUCLEAR REACTIONS ¹H(polarized p, p), E=10 MeV; calculated spin-dependent electromagnetic effects.

doi: 10.1103/PhysRevC.18.1958
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1977FI11      Phys.Rev. C16, 2367 (1977)

T.R.Fisher, J.A.Becker, B.A.Watson, H.Marshak, G.R.Burleson, M.D.Cooper, D.C.Hagerman, I.Halpern, M.J.Jakobson, R.H.Jeppesen, K.F.Johnson, L.D.Knutson, R.E.Marrs, H.O.Meyer, R.P.Redwine

Pion Cross Section Measurements on Aligned ¹⁶⁵Ho in the (3, 3) Resonance Region

NUCLEAR REACTIONS ¹⁶⁵Ho(π⁺, π⁺), (π^-, π^-), E=115, 165, 240 MeV; measured tagged pion removal σ, σ ratios for aligned, unaligned targets.

doi: 10.1103/PhysRevC.16.2367
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1977JA03      Phys.Rev.Lett. 38, 1201 (1977)

M.J.Jakobson, G.R.Burleson, J.R.Calarco, M.D.Cooper, D.C.Hagerman, I.Halpern, R.H.Jeppesen, K.F.Johnson, L.D.Knutson, R.E.Marrs, H.O.Meyer, R.P.Redwine

Neutron Radii of Calcium Isotopes from Pion Total Cross Section Measurements

NUCLEAR REACTIONS ^40,44,48Ca(π⁺, X), (π^-, X), E=90-240 MeV; measured total σ(E) differences.

doi: 10.1103/PhysRevLett.38.1201
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1977KN05      Ann.Phys.(New York) 106, 1 (1977)

L.D.Knutson

Effects of the Deuteron D State in Sub-Coulomb (d, p) Reactions

NUCLEAR REACTIONS ⁹⁰Zr(polarized d, p), E=5.5 MeV; ²⁰⁸Pb(polarized d, p), E=9.0 MeV; measured σ(Ep, θ), A(θ). DWBA analysis.

doi: 10.1016/0003-4916(77)90002-1
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1977ST06      Nucl.Phys. A277, 365 (1977)

K.Stephenson, L.D.Knutson, W.Haeberli

An Absolute Standard for Deuteron Vector Analyzing Powers

NUCLEAR REACTIONS ¹⁶O(d, α), E=6.84 MeV; measured T₂₁(θ), T₂₀(θ); deduced iT₁₁(θ); θ=29°, 34°. ³He(d, p), E=6.44 MeV; measured iT₁₁(29°). ³He(d, α), E=6.44 MeV; measured iT₁₁(θ); θ=29°, 34°.

doi: 10.1016/0375-9474(77)90707-2
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1976HI03      Nucl.Phys. A258, 21 (1976)

B.P.Hichwa, L.D.Knutson, J.A.Thomson, W.H.Wong, P.A.Quin

The j-Dependence of the Vector Analyzing Power for (d, n) Reactions on ⁵⁸Ni and ⁶⁰Ni

NUCLEAR REACTIONS ⁵⁸Ni, ⁶⁰Ni(polarized d, n), E=8 MeV; measured polarization parameters iT₁₁ (Ed;En, θ), relative cross sections σ(Ed;En, θ). DWBA analysis. Enriched targets.

doi: 10.1016/0375-9474(76)90523-6
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1975HU08      Phys.Rev.Lett. 35, 429 (1975)

J.D.Hutton, W.Haeberli, L.D.Knutson, P.Signell

Polarization of Proton-Proton Scattering at 10 MeV

NUCLEAR REACTIONS ¹H(polarized p, p), E=10 MeV; measured A(θ).

doi: 10.1103/PhysRevLett.35.429
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1975KN01      Nucl.Phys. A241, 36 (1975)

L.D.Knutson, J.A.Thomson, H.O.Meyer

Deuteron d-State Effects for the Reactions ¹¹⁷Sn(d, p)¹¹⁸Sn and ¹¹⁹Sn(d, p)¹²⁰Sn

NUCLEAR REACTIONS ¹¹⁷Sn(polarized d, p), E=9.95-11.95 MeV; measured A(E, θ). ^117,119Sn(polarized d, p), E=12 MeV; measured A(θ). Enriched targets, DWBA analysis.

doi: 10.1016/0375-9474(75)90363-2
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1975KN04      Phys.Rev.Lett. 35, 558 (1975)

L.D.Knutson, W.Haeberli

Probing the Deuteron Wave Function with Sub-Coulomb (d, p) Reactions

NUCLEAR REACTIONS ²⁰⁸Pb(polarized d, p), E=9 MeV; calculated measured A(θ).

doi: 10.1103/PhysRevLett.35.558
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1975KN07      Phys.Rev.Lett. 35, 1570 (1975)

L.D.Knutson, B.P.Hichwa, A.Barroso, A.M.Eiro, F.D.Santos, R.C.Johnson

Effects of the Triton D State in (d, t) Reactions

NUCLEAR REACTIONS ¹¹⁸Sn(d, t), E=12.0 MeV; ²⁰⁸Pb(d, t), E=12.3 MeV; measured polarization parameters T₂₀, T₂₁, T₂₂.

doi: 10.1103/PhysRevLett.35.1570
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1975KN08      Phys.Rev. C12, 1469 (1975)

L.D.Knutson, W.Haeberli

Spin-Dependent Potentials for Deuteron-Nucleus Scattering

NUCLEAR REACTIONS ⁹⁰Zr(polarized d, d), E=5.5 MeV; ²⁰⁸Pb(polarized d, d), E=9.0 MeV; measured σ(θ), polarization parameters iT(θ). Optical model analysis, enriched targets.

doi: 10.1103/PhysRevC.12.1469
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1064.

1974KN01      Phys.Rev.Lett. 32, 690 (1974)

L.D.Knutson, E.J.Stephenson, W.Haeberli

Classical Description of the Deuteron D-State Effects in Sub-Coulomb (d, p) Reactions

NUCLEAR REACTIONS ²⁰⁸Pb(polarized d, p); measured nothing, calculated effect of deuteron d-state on analyzing power.

doi: 10.1103/PhysRevLett.32.690
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1973KN03      Phys.Rev.Lett. 30, 986 (1973)

L.D.Knutson, W.Haeberli

Investigation of the Spin Dependence in the Deuteron-Nucleus Interaction

NUCLEAR REACTIONS ⁹⁰Zr(d, d), E=5.5 MeV; measured σ(θ), analyzing power (θ); deduced optical model parameters.

doi: 10.1103/PhysRevLett.30.986
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1973KN05      Phys.Rev.Lett. 31, 392 (1973)

L.D.Knutson, E.J.Stephenson, N.Rohrig, W.Haeberli

Observation of the Deuteron D-State Effects in (d, p) Reactions

NUCLEAR REACTIONS ⁵²Cr, ⁹⁰Zr, ²⁰⁸Pb(polarized d, p), E=6, 9, 10 MeV; measured analyzing power.

doi: 10.1103/PhysRevLett.31.392
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1972KN05      Nucl.Phys. A198, 439 (1972)

L.D.Knutson

Parity Conservation and Polarization Phenomena for Break-up Reactions

doi: 10.1016/0375-9474(72)90700-2
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