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Search: Author = D.F.Ottewell

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2012HU03      Nucl.Instrum.Methods Phys.Res. A689, 70 (2012)

D.A.Hutcheon, C.Ruiz, J.Fallis, J.M.D'Auria, B.Davids, U.Hager, L.Martin, D.F.Ottewell, S.Reeve, A.Rojas

Measurement of radiative capture resonance energies with an extended gas target

NUCLEAR REACTIONS 1H(24Mg, γ), E=224, 227 keV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance energies and their uncertainties. Dragon facility.

doi: 10.1016/j.nima.2012.05.069
Citations: PlumX Metrics


2011SA12      Phys.Rev. C 83, 034611 (2011)

A.L.Sallaska, C.Wrede, A.Garcia, D.W.Storm, T.A.D.Brown, C.Ruiz, K.A.Snover, D.F.Ottewell, L.Buchmann, C.Vockenhuber, D.A.Hutcheon, J.A.Caggiano, J.Jose

Absolute determination of the 22Na( p, γ )23Mg reaction rate in novae

NUCLEAR REACTIONS 22Na(p, γ), E=150-700 keV; measured Eγ, Iγ; deduced absolute yields, excitation functions for resonances, resonance strengths and thermonuclear reaction rates. 23Mg; deduced levels, J, π, branching ratios, resonances. Estimated flux of 22Na gamma rays from novae.

doi: 10.1103/PhysRevC.83.034611
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1827. Data from this article have been entered in the XUNDL database. For more information, click here.


2010ER02      Phys.Rev. C 81, 045808 (2010)

L.Erikson, C.Ruiz, F.Ames, P.Bricault, L.Buchmann, A.A.Chen, J.Chen, H.Dare, B.Davids, C.Davis, C.M.Deibel, M.Dombsky, S.Foubister, N.Galinski, U.Greife, U.Hager, A.Hussein, D.A.Hutcheon, J.Lassen, L.Martin, D.F.Ottewell, C.V.Ouellet, G.Ruprecht, K.Setoodehnia, A.C.Shotter, A.Teigelhofer, C.Vockenhuber, C.Wrede, A.Wallner

First direct measurement of the 23Mg(p, γ)24Al reaction

NUCLEAR REACTIONS 23Mg(p, γ)24Al, E=500 keV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, (recoil)γ(t), thick target yields, resonance strengths; deduced resonance, reaction rates. DRAGON recoil spectrometer. GEANT3 simulations.

doi: 10.1103/PhysRevC.81.045808
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1784. Data from this article have been entered in the XUNDL database. For more information, click here.


2010SA26      Phys.Rev.Lett. 105, 152501 (2010)

A.L.Sallaska, C.Wrede, A.Garcia, D.W.Storm, T.A.D.Brown, C.Ruiz, K.A.Snover, D.F.Ottewell, L.Buchmann, C.Vockenhuber, D.A.Hutcheon, J.A.Caggiano

Direct Measurements of 22Na(p, γ)23Mg Resonances and Consequences for 22Na Production in Classical Novae

NUCLEAR REACTIONS 22Na(p, γ), E not given; measured Eγ, Iγ; deduced proton resonances energies and strengths, σ, reaction rates.

doi: 10.1103/PhysRevLett.105.152501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1816. Data from this article have been entered in the XUNDL database. For more information, click here.


2006RU09      Phys.Rev.Lett. 96, 252501 (2006)

C.Ruiz, A.Parikh, J.Jose, L.Buchmann, J.A.Caggiano, A.A.Chen, J.A.Clark, H.Crawford, B.Davids, J.M.D'Auria, C.Davis, C.Deibel, L.Erikson, L.Fogarty, D.Frekers, U.Greife, A.Hussein, D.A.Hutcheon, M.Huyse, C.Jewett, A.M.Laird, R.Lewis, P.Mumby-Croft, A.Olin, D.F.Ottewell, C.V.Ouellet, P.Parker, J.Pearson, G.Ruprecht, M.Trinczek, C.Vockenhuber, C.Wrede

Measurement of the Ec.m. = 184 keV Resonance Strength in the 26gAl(p, γ)27Si Reaction

NUCLEAR REACTIONS 1H(26Al, γ), E=5.122, 5.226, 5.850 MeV; measured Eγ, (recoil)γ-coin. 26Al(p, γ), E(cm) ≈ 184 keV; deduced resonance strength. Astrophysical implications discussed.

doi: 10.1103/PhysRevLett.96.252501
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1449.


2002HU06      Nucl.Phys. A705, 367 (2002)

G.M.Huber, G.J.Lolos, Z.Papandreou, J.Hovdebo, S.I.H.Naqvi, D.F.Ottewell, P.L.Walden, G.Jones, X.Aslanoglou

The (π+, pd) and (π+, dd) Reactions on Light Nuclei at 100 and 165 MeV Incident Pion Energies

NUCLEAR REACTIONS 6Li, 12C(π+, pd), (π+, 2d), E=100, 165 MeV; measured particle spectra, coincidences, σ(θ), total σ; deduced reaction mechanism features. Comparison with model predictions.

doi: 10.1016/S0375-9474(02)00678-4
Citations: PlumX Metrics


2001PA45      Phys.Rev. C64, 064611 (2001)

M.M.Pavan, J.T.Brack, F.Duncan, A.Feltham, G.Jones, J.Lange, K.J.Raywood, M.E.Sevior, R.Adams, D.F.Ottewell, G.R.Smith, B.Wells, R.L.Helmer, E.L.Mathie, R.Tacik, R.A.Ristinen, I.I.Strakovsky, H.-M.Staudenmaier

Precision Pion-Proton Elastic Differential Cross Sections at Energies Spanning the Δ Resonance

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=141.15-267.3 MeV; measured σ(θ), (pion)(proton)-coin. Comparison with model predictions.

doi: 10.1103/PhysRevC.64.064611
Citations: PlumX Metrics


1997HU14      Nucl.Phys. A624, 623 (1997)

G.M.Huber, G.J.Lolos, Z.Papandreou, J.C.Cormier, E.L.Mathie, S.I.H.Naqvi, D.F.Ottewell, P.L.Walden, G.Jones, R.P.Trelle, X.Aslanoglou, J.L.Visschers

Multinucleon Contributions to the 12C(π+, pp) Reaction at 100 and 165 MeV Incident Pion Energies

NUCLEAR REACTIONS 12C(π+, 2p), E=100, 165 MeV; measured proton production associated total, differential σ; deduced reaction mechanisms. Monte Carlo simulations.

doi: 10.1016/S0375-9474(97)00390-4
Citations: PlumX Metrics


1996LO04      Phys.Rev. C54, 211 (1996)

G.J.Lolos, G.M.Huber, E.L.Mathie, S.I.H.Naqvi, Z.Papandreou, D.F.Ottewell, P.L.Walden, G.Jones, X.Aslanoglou, J.L.Visschers

Role of Quasideuteron Absorption in the 6Li(π+, pp) Reaction at T(π+) = 100, 165 MeV

NUCLEAR REACTIONS 6Li(π+, 2p), E=100, 165 MeV; measured σ(θ, E), σ(θ); deduced two-, three-nucleon absorption total σ. Enriched 6Li target. Monte Carlo analysis.

doi: 10.1103/PhysRevC.54.211
Citations: PlumX Metrics


1995BR02      Phys.Rev. C51, 929 (1995)

J.T.Brack, P.A.Amaudruz, D.F.Ottewell, G.R.Smith, M.Kermani, M.Pavan, D.Vetterli, R.A.Ristinen, S.Hoibraten, M.D.Kohler, J.J.Kraushaar, B.J.Kriss, J.Jaki, M.Metzler, E.F.Gibson

Forward Angle π±p Elastic Scattering Differential Cross Sections at T(π) = 87 to 139 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=87-139 MeV; measured absolute σ(θ) vs E. Active target of scintillator material.

doi: 10.1103/PhysRevC.51.929
Citations: PlumX Metrics


1995PA22      Phys.Rev. C51, R2862 (1995)

Z.Papandreou, G.M.Huber, G.J.Lolos, J.C.Cormier, E.L.Mathie, S.I.H.Naqvi, D.F.Ottewell, R.Tacik, P.L.Walden, G.Jones, R.P.Trelle, X.Aslanoglou, D.L.Humphrey

6Li(π+, pp)4He(g.s.) Reaction at 100 and 165 MeV Incident Pion Energies

NUCLEAR REACTIONS 6Li(π+, 2p), E=100, 165 MeV; measured σ(E, θ1, θ2); deduced σ(E).

doi: 10.1103/PhysRevC.51.R2862
Citations: PlumX Metrics


1995YE02      Phys.Rev. C52, 2526 (1995)

D.M.Yeomans, E.L.Mathie, G.M.Huber, G.J.Lolos, S.I.H.Naqvi, V.Pafilis, G.Jones, M.Sevior, R.P.Trelle, P.Weber, R.Tacik, D.Healey, D.F.Ottewell, G.R.Smith, G.Wait, H.Garcilazo, D.L.Humphrey

Analyzing Power Measurements in Pion-Deuteron Breakup at Intermediate Energies

NUCLEAR REACTIONS 2H(π+, pπ+), E=80-300 MeV; measured iT11(θ) vs proton momentum following breakup. Polarized target. Relativistic Faddeev calculations comparison.

doi: 10.1103/PhysRevC.52.2526
Citations: PlumX Metrics


1994KO06      Phys.Rev. C49, 1715 (1994)

M.Kohler, B.E.King, N.R.Stevenson, R.B.Schubank, Y.M.Shin, R.A.Ristinen, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, N.Grion, R.Rui, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner, J.M.Lee, K.S.Chung

Vector Analyzing Power iT11 in πd Elastic Scattering at 49 MeV

NUCLEAR REACTIONS 2H(π+, π+), (π-, π-), E=49 MeV; measured iT11(θ); deduced πNP11 amplitude role. Model comparison. Dynamically polarized target, magnetic spectrometer.

doi: 10.1103/PhysRevC.49.1715
Citations: PlumX Metrics


1994YE03      Phys.Rev. C49, 2898 (1994)

D.M.Yeomans, E.L.Mathie, G.M.Huber, S.I.H.Naqvi, D.S.Persram, M.Pavan, R.Tacik, D.Healey, D.F.Ottewell, G.R.Smith, P.Amaudruz

Analyzing Power Measurements in Pion Deuteron Absorption at Low Energies

NUCLEAR REACTIONS 2H(π+, 2p), E=25, 65 MeV; measured iT11(θ). Model calculations comparisons. Polarized target.

doi: 10.1103/PhysRevC.49.2898
Citations: PlumX Metrics


1993KO37      Phys.Rev. C48, 1884 (1993)

M.D.Kohler, R.A.Ristinen, J.J.Kraushaar, B.J.Kriss, E.F.Gibson, G.R.Smith, D.F.Ottewell, J.T.Brack, M.Kermani, J.Jaki, M.Metzler

Absolute Differential Cross Sections and Charge Asymmetries for π± d Elastic Scattering at 30, 50, and 65 MeV

NUCLEAR REACTIONS 2H(π+, π+), (π-, π-), E=30-65 MeV; measured σ(θ) vs E; deduced charge asymmetry.

doi: 10.1103/PhysRevC.48.1884
Citations: PlumX Metrics


1993SE10      Phys.Rev. D48, 3987 (1993)

M.E.Sevior, A.Ambardar, J.T.Brack, P.Camerini, F.Duncan, J.Ernst, A.Feltham, N.Grion, R.R.Johnson, G.Koch, O.Meirav, D.F.Ottewell, R.Rui, G.R.Smith, V.Sossi, D.Theis, D.Vetterli

Experimental Study of the Near Threshold π+p → π+π+n Cross Section and Chiral Symmetry

NUCLEAR REACTIONS 1H(π+, 2π+), E=180-200 MeV; measured σ(E); deduced ππ-amplitude, scattering length. Quark loop anomalies dominance model.

doi: 10.1103/PhysRevD.48.3987
Citations: PlumX Metrics


1992BR02      Phys.Rev. C45, 698 (1992)

J.T.Brack, A.Feltham, R.R.Johnson, G.Jones, M.A.Kermani, O.Meirav, M.Pavan, M.E.Sevior, V.Sossi, D.Vetterli, P.Weber, G.R.Smith, P.A.Amaudruz, D.Healey, D.F.Ottewell, Y.S.Wu, X.Y.Chen, S.Hoibraten, M.D.Kohler, J.J.Kraushaar, R.A.Ristinen, W.R.Smythe, E.L.Mathie, D.M.Yeomans, R.Schubank, N.R.Stevenson, E.F.Gibson

Analyzing Powers for π±-13C(pol) Scattering at T(π) = 100 MeV

NUCLEAR REACTIONS 13C(π+, π+), (π-, π-), (π+, π+'), (π-, π-'), E=100 MeV; measured analyzing power. Polarized target. Model analysis.

doi: 10.1103/PhysRevC.45.698
Citations: PlumX Metrics


1991KO15      Phys.Rev. C44, 15 (1991)

M.D.Kohler, J.T.Brack, B.Clausen, J.J.Kraushaar, B.J.Kriss, R.A.Ristinen, K.Vaziri, G.R.Smith, D.F.Ottewell, M.E.Sevior, R.P.Trelle, N.R.Stevenson

Absolute Differential Cross Sections and Charge Asymmetries for π+d Elastic Scattering at 65 MeV

NUCLEAR REACTIONS 2H(π+, π+), (π-, π-), E=65 MeV; measured absolute σ(θ), asymmetry. Faddeev calculations.

doi: 10.1103/PhysRevC.44.15
Citations: PlumX Metrics


1991SE07      Phys.Rev.Lett. 66, 2569 (1991)

M.E.Sevior, A.Ambardar, J.T.Brack, P.Camerini, F.Duncan, J.Ernst, A.Feltham, N.Grion, R.R.Johnson, G.Koch, O.Meirav, D.F.Ottewell, R.Rui, G.R.Smith, V.Sossi, D.Theis, D.Vetterli

Measurement of the Near-Threshold H(π+, π+π+)n Cross Section and Chiral Symmetry

NUCLEAR REACTIONS 1H(π+, 2π+), E=180-200 MeV; measured σ(E); deduced ππ scattering length. Chiral pertubation theory, quark loop anomalies dominance.

doi: 10.1103/PhysRevLett.66.2569
Citations: PlumX Metrics


1990BR08      Phys.Rev. C41, 2202 (1990)

J.T.Brack, R.A.Ristinen, J.J.Kraushaar, R.A.Loveman, R.J.Peterson, G.R.Smith, D.R.Gill, D.F.Ottewell, M.E.Sevior, R.P.Trelle, E.L.Mathie, N.Grion, R.Rui

Absolute Differential Cross Sections for π± p Elastic Scattering at 30 ≤ Tπ ≤ 67 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=30-66.8 MeV; measured absolute σ(θ).

doi: 10.1103/PhysRevC.41.2202
Citations: PlumX Metrics


1990MA79      J.Phys.(Paris), Colloq.C-6, 383 (1990)

E.L.Mathie, D.M.Yeomans, G.M.Huber, G.J.Lolos, S.I.H.Naqvi, V.Pafilis, Z.Papandreou, A.Feltham, R.Olszewski, G.Jones, M.Pavan, M.Sevior, R.P.Trelle, P.Weber, D.Gill, D.Healey, D.F.Ottewell, G.R.Smith, G.Wait, P.Walden, R.Rui

Polarization Measurements in Pion Deuteron Breakup and Absorption

NUCLEAR REACTIONS 2H(π, πnp), E not given; measured tensor analyzing power vs proton momentum. Faddeev model analyses. Polarized target.


1990PA03      Phys.Rev. C41, R1339 (1990)

Z.Papandreou, G.J.Lolos, G.M.Huber, J.C.Cormier, S.I.H.Naqvi, D.F.Ottewell, P.L.Walden, G.Jones

Composite Particle Emission following Negative Pion Absorption on 12C at T(π-) = 165 MeV

NUCLEAR REACTIONS 12C(π-, 2p), (π-, pd), (π-, 2d), E=165 MeV; measured σ(θ1, θ2); deduced π- absorption mechanism.

doi: 10.1103/PhysRevC.41.R1339
Citations: PlumX Metrics


1990ST24      Phys.Rev.Lett. 65, 1987 (1990)

N.R.Stevenson, R.B.Schubank, Y.M.Shin, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, N.Grion, R.Rui, M.Kohler, R.A.Ristinen, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner

Role of the πN P11 Interaction in πd Elastic Scattering at 50 MeV

NUCLEAR REACTIONS 2H(π+, π+), E=50 MeV; measured iT11(θ); deduced πN(P11) interaction amplitude role. Dynamically polarized target.

doi: 10.1103/PhysRevLett.65.1987
Citations: PlumX Metrics


1990ST33      J.Phys.(Paris), Colloq.C-6, 391 (1990)

N.R.Stevenson, R.B.Schubank, Y.M.Shin, P.Amaudruz, P.P.J.Delheij, D.C.Healey, B.K.Jennings, D.F.Ottewell, G.Sheffer, G.R.Smith, G.D.Wait, N.Grion, R.Rui, J.T.Brack, A.Feltham, M.Hanna, R.R.Johnson, F.M.Rozon, V.Sossi, D.Vetterli, P.Weber, M.Kohler, R.A.Ristinen, E.L.Mathie, R.Tacik, M.Yeomans, C.A.Gossett, G.J.Wagner, B.E.King

Analyzing Power Measurements in πd Elastic Scattering at 50 MeV

NUCLEAR REACTIONS 2H(π, π), E=50 MeV; measured iT11(θ); deduced πN(P11) potential role.


1989PA13      Phys.Lett. 227B, 25 (1989)

Z.Papandreou, G.J.Lolos, G.M.Huber, J.C.Cormier, S.I.H.Naqvi, D.F.Ottewell, P.L.Walden, G.Jones

The 12C(π-, pp)X Reaction at 165 MeV

NUCLEAR REACTIONS 12C(π-, 2pX), E=165 MeV; measured σ(θp1, θp2); deduced reaction mechanism.

doi: 10.1016/0370-2693(89)91278-1
Citations: PlumX Metrics


1989SH09      Nucl.Instrum.Methods Phys.Res. A274, 227 (1989)

Y.M.Shin, N.R.Stevenson, L.O.Dallin, K.Itoh, G.Retzlaff, G.D.Wait, D.R.Gill, D.F.Ottewell

A t20 Tensor Polarimeter

NUCLEAR REACTIONS 2H(π, π), E=133, 141 MeV; measured recoil deuteron polarization. A t20 tensor polarimeter, 3He(d, p) analyzer.

doi: 10.1016/0168-9002(89)90385-9
Citations: PlumX Metrics


1989ST04      Phys.Rev. C39, 1488 (1989)

N.R.Stevenson, Y.M.Shin, K.Itoh, G.Retzlaff, D.R.Gill, D.F.Ottewell, G.D.Wait, T.E.Drake, D.Frekers, R.B.Schubank, G.J.Lolos

Measurement of t20 in π+d Elastic Scattering

NUCLEAR REACTIONS 2H(π+, π+), E=116-145 MeV; measured tensor polarization t20(θ); deduced no evidence for dibaryons.

doi: 10.1103/PhysRevC.39.1488
Citations: PlumX Metrics


1988BR28      Phys.Rev. C38, 2427 (1988)

J.T.Brack, J.J.Kraushaar, D.J.Rilett, R.A.Ristinen, D.F.Ottewell, G.R.Smith, R.G.Jeppesen, N.R.Stevenson

Large-Angle π+p Elastic Scattering at 66.8 MeV

NUCLEAR REACTIONS 1H(π, π), E(cm)=66.8 MeV; measured σ(θ).

doi: 10.1103/PhysRevC.38.2427
Citations: PlumX Metrics


1986MC11      Nucl.Phys. A456, 629 (1986)

B.J.McParland, E.G.Auld, P.Couvert, G.L.Giles, G.Jones, W.Ziegler, X.Aslanoglou, G.M.Huber, G.J.Lolos, S.I.H.Naqvi, Z.Papandreou, D.R.Gill, D.F.Ottewell, P.L.Walden

A Study of the 6Li(π+,3He)3He Reaction at 60, 80, 100 and 140 MeV Incident Pion Beam Energies

NUCLEAR REACTIONS 6Li(π+,3He), E=60, 80, 100, 140 MeV; measured σ(θ).

doi: 10.1016/0375-9474(86)90079-5
Citations: PlumX Metrics


1985MC05      Phys.Lett. 156B, 47 (1985)

B.J.McParland, E.G.Auld, P.Couvert, G.L.Giles, G.Jones, W.Ziegler, X.Aslanoglou, G.M.Huber, G.J.Lolos, S.I.H.Naqvi, Z.Papandreou, D.R.Gill, D.F.Ottewell, P.L.Walden

Angular Dependence of the 6Li(π+,3He)3He Reaction at 60 and 80 MeV

NUCLEAR REACTIONS 6Li(π+,3He), E=60, 80 MeV; measured σ(θ).

doi: 10.1016/0370-2693(85)91352-8
Citations: PlumX Metrics


1985SH23      Phys.Rev.Lett. 55, 2672 (1985)

Y.M.Shin, K.Itoh, N.R.Stevenson, D.R.Gill, D.F.Ottewell, G.D.Wait, T.E.Drake, D.F.Frekers, R.B.Schubank, G.J.Lolos

t20 in π+d Elastic Scattering between 118 and 148 MeV

NUCLEAR REACTIONS 2H(π+, π+), E=118-148 MeV; measured recoil tensor polarization, σ(θ); deduced no dibaryon resonance effects. Liquid LD2 target.

doi: 10.1103/PhysRevLett.55.2672
Citations: PlumX Metrics


1985ZI04      Phys.Rev. C32, 301 (1985)

W.Ziegler, E.G.Auld, W.R.Falk, G.L.Giles, G.Jones, G.J.Lolos, B.J.McParland, P.L.Walden, D.F.Ottewell

Polarized-Proton-Induced Pion Production on 10B at 200, 225, 250, and 260 MeV Incident Energies

NUCLEAR REACTIONS 10B(polarized p, π+), E=200, 225, 250, 260 MeV; measured σ(θ), analyzing power vs θ, σ(E(π+)).

doi: 10.1103/PhysRevC.32.301
Citations: PlumX Metrics


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