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NSR database version of March 2, 2024.

Search: Author = D.Ottewell

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2019TA20      Phys.Lett. B 798, 134894 (2019)

M.P.Taggart, C.Akers, A.M.Laird, U.Hager, C.Ruiz, D.A.Hutcheon, M.A.Bentley, J.R.Brown, L.Buchmann, A.A.Chen, J.Chen, K.A.Chipps, A.Choplin, J.M.D'Auria, B.Davids, C.Davis, C.Aa.Diget, L.Erikson, J.Fallis, S.P.Fox, U.Frischknecht, B.R.Fulton, N.Galinski, U.Greife, R.Hirschi, D.Howell, L.Martin, D.Mountford, A.St.J.Murphy, D.Ottewell, M.Pignatari, S.Reeve, G.Ruprecht, S.Sjue, L.Veloce, M.Williams

A direct measurement of the 17O(α, γ)21Ne reaction in inverse kinematics and its impact on heavy element production

NUCLEAR REACTIONS 4He(17O, γ)21Ne, E=160, 202, 290, 360 keV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance strengths, S-factors, astrophysical reaction rates.

doi: 10.1016/j.physletb.2019.134894
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2420. Data from this article have been entered in the XUNDL database. For more information, click here.


2016AK05      Phys.Rev. C 94, 065803 (2016)

C.Akers, A.M.Laird, B.R.Fulton, C.Ruiz, D.W.Bardayan, L.Buchmann, G.Christian, B.Davids, L.Erikson, J.Fallis, U.Hager, D.Hutcheon, L.Martin, A.St.J.Murphy, K.Nelson, D.Ottewell, A.Rojas, A.Spyrou

Measurement of radiative proton capture on 18F and implications for oxygen-neon novae reexamined

NUCLEAR REACTIONS 1H(18F, γ)19Ne, E=0.717 MeV/nucleon, [secondary 18F beam at ISAC-TRIUMF by 500 MeV proton beam incident on a silicon carbide target]; measured reaction products, extracted and ionized in a FEBIAD ion source, and filtered with a high-resolution mass separator, particle spectra using DRAGON recoil separator. 19Ne; deduced levels, resonances, 665-keV resonance strength, Γγ, resonant contributions to reaction rates as a function of temperature in the peak nova range; calculated reaction rates for T9=0.03 to 0.5. R-matrix analysis.

doi: 10.1103/PhysRevC.94.065803
Citations: PlumX Metrics


2014GO03      Phys.Rev. C 89, 014305 (2014)

A.Goasduff, S.Courtin, F.Haas, D.Lebhertz, D.G.Jenkins, J.Fallis, C.Ruiz, D.A.Hutcheon, P.-A.Amandruz, C.Davis, U.Hager, D.Ottewell, G.Ruprecht

The 12C(16O, γ28Si) radiative capture reaction at sub-barrier energies

NUCLEAR REACTIONS 12C(16O, γ)28Si, E=15.7 MeV; measured Eγ, Iγ, (28Si)γ-coin, γ-ray angular distributions, radiative capture and fusion cross sections using ISAC-I accelerator, BGO γ detector array and DRAGON electromagnetic spectrometer at TRIUMF facility; deduced branching ratio versus excitation energy for the 2+ entrance state, enhancement of M1 transitions to the 1+ and 2+ states at 11.45 MeV and 11.43 MeV, and J(J+1) systematics. Comparisons with Monte-Carlo GEANT3 simulations and previous experimental studies.

doi: 10.1103/PhysRevC.89.014305
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2025.


2013AK03      Phys.Rev.Lett. 110, 262502 (2013)

C.Akers, A.M.Laird, B.R.Fulton, C.Ruiz, D.W.Bardayan, L.Buchmann, G.Christian, B.Davids, L.Erikson, J.Fallis, U.Hager, D.Hutcheon, L.Martin, A.St.J.Murphy, K.Nelson, A.Spyrou, C.Stanford, D.Ottewell, A.Rojas

Measurement of Radiative Proton Capture on 18F and Implications for Oxygen-Neon Novae

NUCLEAR REACTIONS 1H(18F, γ)19Ne, E=12.9 MeV; measured reaction products, nuclear recoils, time of flight; deduced reaction rates, resonance strength. Comparison with available data.

doi: 10.1103/PhysRevLett.110.262502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2033. Data from this article have been entered in the XUNDL database. For more information, click here.


2013FA10      Phys.Rev. C 88, 045801 (2013)

J.Fallis, A.Parikh, P.F.Bertone, S.Bishop, L.Buchmann, A.A.Chen, G.Christian, J.A.Clark, J.M.D'Auria, B.Davids, C.M.Deibel, B.R.Fulton, U.Greife, B.Guo, U.Hager, C.Herlitzius, D.A.Hutcheon, J.Jose, A.M.Laird, E.T.Li, Z.H.Li, G.Lian, W.P.Liu, L.Martin, K.Nelson, D.Ottewell, P.D.Parker, S.Reeve, A.Rojas, C.Ruiz, K.Setoodehnia, S.Sjue, C.Vockenhuber, Y.B.Wang, C.Wrede

Constraining nova observables: Direct measurements of resonance strengths in 33S(p, γ)34Cl

NUCLEAR REACTIONS 1H(33S, γ)34Cl, E=194-514 MeV/nucleon; measured particle spectra, time-of-flight using DRAGON at ISAC-TRIUMF facility. 34Cl; deduced levels, resonances, resonance strengths, thermonuclear reaction rates for 33S(p, γ)34Cl reaction at T9=0.15-0.40, composition of 32,33,34S, 35,37Cl, 36,38Ar, 38,39K, 40Ca in oxygen-neon nova ejecta. Implications for nova nucleosynthesis.

doi: 10.1103/PhysRevC.88.045801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2064. Data from this article have been entered in the XUNDL database. For more information, click here.


2013SI20      Eur.Phys.J. A 49, 60 (2013)

A.Simon, J.Fallis, A.Spyrou, A.M.Laird, C.Ruiz, L.Buchmann, B.R.Fulton, D.Hutcheon, L.Martin, D.Ottewell, A.Rojas

Radiative capture reactions with heavy beams: extending the capabilities of DRAGON

doi: 10.1140/epja/i2013-13060-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2043.


2013SJ01      Nucl.Instrum.Methods Phys.Res. A700, 179 (2013)

S.K.L.Sjue, B.S.Nara Singh, P.Adsley, L.Buchmann, M.Carmona-Gallardo, B.Davids, J.Fallis, B.R.Fulton, N.Galinski, U.Hager, M.Hass, D.Howell, D.A.Hutcheon, A.M.Laird, L.Martin, D.Ottewell, S.Reeve, C.Ruiz, G.Ruprecht, S.Triambak

Beam suppression of the DRAGON recoil separator for 3He(α, γ)7Be

NUCLEAR REACTIONS 3He(α, γ)7Be, E=6.542 MeV; measured reaction products, recoil spectra.; deduced yields, beam suppression. Comparison with available data.

doi: 10.1016/j.nima.2012.10.062
Citations: PlumX Metrics


2013VI01      Phys.Rev. C 87, 044603 (2013)

A.M.Vinodkumar, W.Loveland, R.Yanez, M.Leonard, L.Yao, P.Bricault, M.Dombsky, P.Kunz, J.Lassen, A.C.Morton, D.Ottewell, D.Preddy, M.Trinczek

Interaction of 11Li with 208Pb

NUCLEAR REACTIONS 208Pb(11Li, X)212At/213At/214At/215At/216At, E=39.9, 36.5, 32.7, 28.6 MeV; measured Eα, Iα from evaporation residues, production σ(E), complete and incomplete fusion σ(E), breakup σ(E) at TRIUMF-ISAC2 facility. 209Bi(7Li, X)212Rn/213Rn, E=34.90 MeV; measured complete fusion σ, and compared to earlier experimental results. Comparison with theoretical predictions, and with results from experimental results of other reaction.

doi: 10.1103/PhysRevC.87.044603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2020.


2012HA10      Phys.Rev. C 85, 035803 (2012)

U.Hager, L.Buchmann, B.Davids, J.Fallis, B.R.Fulton, N.Galinski, U.Greife, D.A.Hutcheon, D.Ottewell, A.Rojas, C.Ruiz, K.Setoodehnia

Measurement of the 17O(p, γ)18F reaction rate at astrophysically relevant energies

NUCLEAR REACTIONS 1H(17O, γ)18F, E(cm)=250-500 keV; measured 18F spectra, time-of-flight, energy loss, Eγ, Iγ, (18F)γ-coin; deduced levels, branching ratios to capture states, charge-state distributions, astrophysical S factors. DRAGON facility at TRIUMF. GEANT3 simulations for γ-ray events in BGO array. Comparison with earlier measurements.

doi: 10.1103/PhysRevC.85.035803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1905. Data from this article have been entered in the XUNDL database. For more information, click here.


2012HA39      Phys.Rev. C 86, 055802 (2012)

U.Hager, L.Buchmann, B.Davids, J.Fallis, U.Greife, D.A.Hutcheon, D.Irvine, D.Ottewell, A.Rojas, S.Reeve, C.Ruiz

Direct measurement of the 16O(α, γ)20Ne reaction at Ec.m.=2.43 MeV and 1.69 MeV

NUCLEAR REACTIONS 16O(α, γ)20Ne, E(cm)=1.69, 2.43 MeV; measured 20Ne spectra, Eγ, Iγ, (20Ne)γ-coin, time of flight using DRAGON recoil separator at TRIUMF facility. 20Ne; deduced levels J, π, S factor, branching ratios, resonance strengths, radiative widths, B(E1), B(M1), B(E2), B(E3). R-matrix analysis. Comparison with previous studies. Relevance to helium burning sequence.

doi: 10.1103/PhysRevC.86.055802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1959. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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2012NA17      J.Phys.:Conf.Ser. 337, 012057 (2012)

B.S.Nara Singh, S.K.L.Sjue, B.Davids, M.Hass, P.Adsley, L.Buchmann, M.Carmona-Gallardo, J.Fallis, S.P.Fox, B.Fulton, N.Galinski, U.Hager, D.A.Hutcheon, A.M.Laird, L.Martin, D.Ottewell, S.Reeve, C.Ruiz, G.Ruprecht, A.Shotter, O.Tengblad

Cross section measurements of the 3He(α, γ)7Be reaction using DRAGON at TRIUMF

NUCLEAR REACTIONS 3He(α, γ), E(cm)=2-3 MeV; measured reaction products using DRAGON separator at TRIUMF and DSSSD; deduced S-factor. Compared with other data and FMD (fermionic molecular dynamics) calculations of Neff (this conf., paper 012055).

doi: 10.1088/1742-6596/337/1/012057
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2011HA37      Phys.Rev. C 84, 022801 (2011)

U.Hager, J.R.Brown, L.Buchmann, M.Carmona-Gallardo, L.Erikson, J.Fallis, U.Greife, D.Hutcheon, D.Ottewell, C.Ruiz, S.Sjue, C.Vockenhuber

Direct total cross section measurement of the 16O(α, γ)20Ne reaction at Ec.m. = 2.26 MeV

NUCLEAR REACTIONS 4He(16O, γ), E(cm)=2.26 MeV; measured Eγ, Iγ, recoils, (recoil)γ-coin; deduced cross section, astrophysical S factor and its contribution to direct capture transitions. DRAGON recoil separator at TRIUMF, BGO array. Comparison with previous experiments.

doi: 10.1103/PhysRevC.84.022801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1854.


2011MA82      J.Phys.:Conf.Ser. 312, 042014 (2011)

L.Martin, L.Buchmann, J.F.Carpino, A.Chen, A.Couture, B.Davids, J.Fallis, S.P.Fox, U.Hager, A.Hussein, A.M.Laird, K.Olchanski, D.Ottewell, C.Ruiz, G.Ruprecht, G.Sheffer, S.Sjue, O.Tengblad, F.Tovesson

NEURAL - a tracking detector for neutron-induced reactions of astrophysical importance

doi: 10.1088/1742-6596/312/4/042014
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
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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.


2008RU01      J.Phys.(London) G35, 014017 (2008)

G.Ruprecht, C.Vockenhuber, C.Ruiz, L.Buchmann, J.Pearson, D.Ottewell, K.Czerski, A.Huke

On the possible influence of electron screening on the lifetime of radioactive nuclei

RADIOACTIVITY 22Na(β+) [from 27Al(p, X), E=70 MeV]; measured Eγ, Iγ, T1/2 as function of temperature. Deduced influence of electron screening on T1/2.

doi: 10.1088/0954-3899/35/1/014017
Citations: PlumX Metrics


2008VO01      J.Phys.(London) G35, 014034 (2008)

C.Vockenhuber, C.O.Ouellet, L.-S.The, L.Buchmann, J.Caggiano, A.A.Chen, J.M.D'Auria, B.Davids, L.Fogarty, D.Frekers, A.Hussein, D.A.Hutcheon, W.Kutschera, D.Ottewell, M.Paul, M.M.Pavan, J.Pearson, C.Ruiz, G.Ruprecht, M.Trinczek, A.Wallner

40Ca(α, γ)44Ti and the production of 44Ti in supernovae

NUCLEAR REACTIONS 4He(40Ca, γ), E=600-1150 keV/nucleon; measured Eγ, γγ-, (recoil)γ-coin, excitation function.

doi: 10.1088/0954-3899/35/1/014034
Citations: PlumX Metrics


2007GR11      Nucl.Instrum.Methods Phys.Res. B261, 1089 (2007)

U.Greife, J.Livesay, C.Jewett, K.Chipps, F.Sarazin, D.Bardayan, J.Blackmon, C.Nesaraja, M.S.Smith, A.Champagne, R.Fitzgerald, K.Jones, J.Thomas, R.Kozub, L.Buchmann, J.Caggiano, D.Hunter, D.Hutcheon, A.Olin, D.Ottewell, J.Rogers, C.Ruiz, G.Ruprecht, M.Trinczek, C.Vockenhuber, S.Bishop, J.D'Auria, M.Lamay, W.Liu, C.Wrede, M.L.Chatterjee, A.A.Chen, J.Pearson, S.Engel, A.M<.Laird, D.Gigliotti, A.Hussein

Recent results of experiments with radioactive 21Na and 7Be ion beams

NUCLEAR REACTIONS 1H(21Na, γ), E=1.18 MeV/nucleon; measured Eγ, Iγ, yields. 1H(7Be, X), E=4-27 MeV; measured elastic and inelastic scattering σ.

doi: 10.1016/j.nimb.2007.03.055
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1576.


2007JE08      Phys.Rev. C 76, 044310 (2007)

D.G.Jenkins, B.R.Fulton, P.Marley, S.P.Fox, R.Glover, R.Wadsworth, D.L.Watson, S.Courtin, F.Haas, D.Lebhertz, C.Beck, P.Papka, M.Rousseau, A.Sanchez i Zafra, D.A.Hutcheon, C.Davis, D.Ottewell, M.M.Pavan, J.Pearson, C.Ruiz, G.Ruprecht, J.Slater, M.Trinczek, J.D'Auria, C.J.Lister, P.Chowdhury, C.Andreoiu, J.J.Valiente-Dobon, S.Moon

Decay strength distributions in 12C(12C, γ) radiative capture

NUCLEAR REACTIONS 12C(12C, γ), E(cm)=6.0, 6.8, 7.5, 8.0 MeV; measured Eγ, Iγ, γγ, (recoil)γ-coin; deduced multipolarities, on and off resonances. TRIUMF-ISAC DRAGON recoil spectrometer, GEANT3 array.

doi: 10.1103/PhysRevC.76.044310
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2007VO03      Nucl.Instrum.Methods Phys.Res. B259, 688 (2007)

C.Vockenhuber, C.O.Ouellet, L.Buchmann, J.Caggiano, A.A.Chen, J.M.D'Auria, D.Frekers, A.Hussein, D.A.Hutcheon, W.Kutschera, K.Jayamanna, D.Ottewell, M.Paul, J.Pearson, C.Ruiz, G.Ruprecht, M.Trinczek, A.Wallner

The 40Ca(α, γ)44Ti reaction at DRAGON

NUCLEAR REACTIONS 4He(40Ca, γ)44Ti, E=1.135 MeV/nucleon; measured yield and resonance strength at DRAGON recoil mass spectrometer.

doi: 10.1016/j.nimb.2007.01.222
Citations: PlumX Metrics


2007VO06      Phys.Rev. C 76, 035801 (2007)

C.Vockenhuber, C.O.Ouellet, L.-S.The, L.Buchmann, J.Caggiano, A.A.Chen, H.Crawford, J.M.D'Auria, B.Davids, L.Fogarty, D.Frekers, A.Hussein, D.A.Hutcheon, W.Kutschera, A.M.Laird, R.Lewis, E.O'Connor, D.Ottewell, M.Paul, M.M.Pavan, J.Pearson, C.Ruiz, G.Ruprecht, M.Trinczek, B.Wales, A.Wallner

Measurement of the 40Ca(α, γ)44Ti reaction relevant for supernova nucleosynthesis

NUCLEAR REACTIONS 4He(40Ca, γ)44Ti, E=0.60-1.15 MeV/nucleon; measured recoil energies, yields, and cross section.

doi: 10.1103/PhysRevC.76.035801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1583.


2007ZY01      Nucl.Instrum.Methods Phys.Res. B254, 17 (2007)

J.Zylberberg, D.Hutcheon, L.Buchmann, J.Caggiano, W.R.Hannes, A.Hussein, E.O'Connor, D.Ottewell, J.Pearson, C.Ruiz, G.Ruprecht, M.Trinczek, C.Vockenhuber

Charge-state distributions after radiative capture of helium nuclei by carbon beam

NUCLEAR REACTIONS 4He(12C, γ), E=1.068 MeV/nucleon; measured beam and recoil charge state distributions.

doi: 10.1016/j.nimb.2006.09.019
Citations: PlumX Metrics


2006DE08      Phys.Lett. B 633, 209 (2006)

H.Denz, P.Amaudruz, J.T.Brack, J.Breitschopf, P.Camerini, J.L.Clark, H.Clement, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, B.Jamieson, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, O.Patarakin, J.D.Patterson M.M.Pavan, S.Piano, K.Raywood, R.a.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, J.Stahov, R.Tacik, G.J.Wagner, F.von Wrochem, D.M.Yeomans

π±p differential cross sections at low energies

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=19.9-43.3 MeV; measured σ(E, θ); deduced isospin scattering amplitude. CHAOS spectrometer.

doi: 10.1016/j.physletb.2005.12.017
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2006LO16      Phys.Rev.C 74, 064609 (2006)

W.Loveland, A.M.Vinodkumar, R.S.Naik, P.H.Sprunger, B.Matteson, J.Neeway, M.Trinczek, M.Dombsky, P.Machule, D.Ottewell, D.Cross, K.Gagnon, W.J.Mills

Subbarrier fusion of 9Li with 70Zn

NUCLEAR REACTIONS 70Zn(9Li, X), E=11-15 MeV; measured fusion σ; deduced subbarrier enhancement. Comparison with model predictions.

doi: 10.1103/PhysRevC.74.064609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1520.


2006MA81      Phys.Rev.Lett. 97, 242503 (2006)

C.Matei, L.Buchmann, W.R.Hannes, D.A.Hutcheon, C.Ruiz, C.R.Brune, J.Caggiano, A.A.Chen, J.D'Auria, A.Laird, M.Lamey, ZH.Li, WP.Liu, A.Olin, D.Ottewell, J.Pearson, G.Ruprecht, M.Trinczek, C.Vockenhuber, C.Wrede

Measurement of the Cascade Transition via the First Excited State of 16O in the 12C(α, γ)16O Reaction, and Its S Factor in Stellar Helium Burning

NUCLEAR REACTIONS 4He(12C, γ), E(cm)=2.22-5.42 MeV; measured Eγ, Iγ, (particle)γ-coin; deduced σ, astrophysical S-factor. Recoil separator.

doi: 10.1103/PhysRevLett.97.242503
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1497.


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


2005CH30      Nucl.Phys. A752, 510c (2005)

A.A.Chen, R.E.Azuma, S.Bishop, L.Buchmann, M.L.Chatterjee, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, C.C.Jewett, J.Jose, J.D.King, A.M.Laird, M.Lamey, R.Lewis, W.Liu, A.Olin, D.Ottewell, P.Parker, J.Rogers, C.Ruiz, M.Trinczek, C.Wrede

The 21Na(p, γ)22Mg reaction in novae and x-ray bursts

NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 200-1100 keV; measured thick-target yield. 21Na(p, γ), E=low; deduced resonance parameters, astrophysical reaction rate.

doi: 10.1016/j.nuclphysa.2005.02.136
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1525.


2005EN07      Nucl.Instrum.Methods Phys.Res. A 553, 491 (2005)

S.Engel, D.Hutcheon, S.Bishop, L.Buchmann, J.Caggiano, M.L.Chatterjee, A.A.Chen, J.D'auria, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, C.C.Jewett, A.M.Laird, M.Lamey, W.Liu, A.Olin, D.Ottewell, J.Pearson, C.Ruiz, G.Ruprecht, M.Trinczek, C.Vockenhuber, C.Wrede

Commissioning the DRAGON facility at ISAC

NUCLEAR REACTIONS 20Ne(p, γ), 21Ne(p, γ), 24Mg(p, γ), E=214 keV-1.1 MeV; measured products, Eγ, Iγ; deduced resonance parameters. Data were imported from EXFOR entry C1403.

doi: 10.1016/j.nima.2005.07.029
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2005TR11      Nucl.Phys. A758, 729c (2005)

M.Trinczek, C.C.Jewett, J.M.D'Auria, S.Bishop, L.Buchmann, A.A.Chen, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, J.Jose, A.M.Laird, M.Lamey, R.Lewis, A.Olin, D.Ottewell, P.Parker, M.M.Pavan, J.E.Pearson, J.Rogers, C.Ruiz, C.Wrede

Direct Measurement of the 21Na(p, γ)22Mg Reaction: Resonance Strengths and Gamma-Gamma Analysis

NUCLEAR REACTIONS 1H(21Na, γ), E(cm)=200-1135 keV; measured Eγ, Iγ, γγ-coin. 22Mg deduced levels, J, π, resonance strengths.

doi: 10.1016/j.nuclphysa.2005.05.131
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2004CA08      Nucl.Phys. A735, 89 (2004)

P.Camerini, E.Fragiacomo, N.Grion, S.Piano, R.Rui, J.Clark, L.Felawka, E.F.Gibson, G.Hofman, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

General properties of the pion production reaction in nuclear matter

NUCLEAR REACTIONS 45Sc(π+, π+π-), (π+, π+π-p), (π+, 2π+), (π+, 2π+p), E=240-320 MeV; measured σ(E, θ), invariant mass, total σ; deduced reaction mechanism features. Comparison with previous results and model predictions.

doi: 10.1016/j.nuclphysa.2004.01.122
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2004DA17      Phys.Rev. C 69, 065803 (2004)

J.M.D'Auria, R.E.Azuma, S.Bishop, L.Buchmann, M.L.Chatterjee, A.A.Chen, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, C.C.Jewett, J.Jose, J.D.King, A.M.Laird, M.Lamey, R.Lewis, W.Liu, A.Olin, D.Ottewell, P.Parker, J.Rogers, C.Ruiz, M.Trinczek, C.Wrede

The 21Na(p, γ)22Mg reaction from Ec.m. = 200 to 1103 keV in novae and x-ray bursts

NUCLEAR REACTIONS 1H(21Na, γ), E(cm)=200-1103 keV; measured Eγ, Iγ, (particle)γ-coin; deduced resonance energies and strengths. 21Na(p, γ), E=low; deduced astrophysical reaction rates.

doi: 10.1103/PhysRevC.69.065803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1044.


2003AZ05      Nucl.Phys. A718, 119c (2003)

R.E.Azuma, S.Bishop, L.Buchmann, M.L.Chatterjee, A.A.Chen, J.M.D'Auria, T.Davinson, S.Engel, B.R.Fulton, D.Gigliotti, U.Greife, D.Groombridge, D.Hunter, A.Hussein, D.Hutcheon, C.Jewett, J.D.King, N.Khan, S.Kubono, A.M.Laird, M.Lamey, R.Lewis, L.Ling, W.Liu, S.Michimasa, A.S.Murphy, A.Olin, D.Ottewell, P.Parker, J.Pearson, I.Roberts, A.Robinson, J.G.Rogers, G.Roy, C.Ruiz, F.Sarazin, A.C.Shotter, H.Sprenger, F.Strieder, P.Walden, P.J.Woods, C.Wrede

Results of 21Na + p Experiments at ISAC

NUCLEAR REACTIONS 1H(21Na, 21Na), E=0.45-1.4 MeV; measured recoil proton spectra; deduced excitation function. 1H(21Na, γ), E=220, 855 keV/nucleon; measured Eγ, (particle)γ-coin. 22Mg deduced resonance features.

doi: 10.1016/S0375-9474(03)00688-2
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2003BI03      Phys.Rev.Lett. 90, 162501 (2003); Erratum Phys.Rev.Lett. 90, 229902 (2003)

S.Bishop, R.E.Azuma, L.Buchmann, A.A.Chen, M.L.Chatterjee, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, M.Hernanz, D.Hunter, A.Hussein, D.Hutcheon, C.Jewett, J.Jose, J.King, S.Kubono, A.M.Laird, M.Lamey, R.Lewis, W.Liu, S.Michimasa, A.Olin, D.Ottewell, P.D.Parker, J.G.Rogers, F.Strieder, C.Wrede

21Na(p, γ)22Mg Reaction and Oxygen-Neon Novae

NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 202-223 keV; measured Eγ, (particle)γ-coin, thick-target yields; deduced resonance energy, width. 21Na(p, γ), E=low; deduced astrophysical reaction rate.

doi: 10.1103/PhysRevLett.90.162501
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2003BI08      Nucl.Phys. A718, 263c (2003)

S.Bishop, R.Azuma, L.Buchmann, A.A.Chen, M.L.Chatterjee, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, C.Jewett, J.King, S.Kubono, M.Lamey, R.Lewis, W.Liu, S.Michimasa, A.Olin, D.Ottewell, P.D.Parker, J.Rogers, C.Wrede

Nuclear Astrophysics Studies at DRAGON: The 21Na(p, γ)22Mg Reaction and Oxygen-Neon Novae

NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 202-224 keV; measured thick target yields. 21Na(p, γ), E=low; deduced astrophysical reaction rate. Recoil mass separator.

doi: 10.1016/S0375-9474(03)00726-7
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2003EN04      Nucl.Instrum.Methods Phys.Res. B204, 416 (2003)

S.Engel, L.Buchmann, A.Chen, J.M.D'Auria, D.A.Hutcheon, C.S.Galovich, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, C.C.Jewett, W.Liu, A.Olin, D.Ottewell, J.Rogers

Testing the ISAC radioactive ion accelerator beam specifications using the H(15N, αγ)12C reaction

doi: 10.1016/S0168-583X(02)02106-7
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2003EN08      Nucl.Phys. A719, 107c (2003)

S.Engel, S.Bishop, L.Buchmann, M.L.Chatterjee, A.Chen, J.M.D'Auria, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, R.Lewis, W.Liu, A.Olin, D.Ottewell, P.Parker, J.Rogers, F.Strieder, C.Wrede

Measurements with DRAGON on resonances in the 21Na(p, γ)22Mg reaction with a radioactive ion beam

NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 204, 821 keV; measured yields. 21Na(p, γ), E(cm) ≈ 204, 821 keV; deduced resonance strengths.

doi: 10.1016/S0375-9474(03)00976-X
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1525.


2003HU10      Nucl.Phys. A718, 515c (2003)

D.A.Hutcheon, S.Bishop, L.Buchmann, M.L.Chatterjee, A.A.Chen, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, C.Jewett, N.Khan, A.Lamey, W.Liu, A.Olin, D.Ottewell, J.G.Rogers, G.Roy, H.Sprenger, C.Wrede

The DRAGON facility for nuclear astrophysics at TRIUMF-ISAC

NUCLEAR REACTIONS 1H(15N, α), E ≈ 412-452 keV/nucleon; measured resonance yield curve. 1H(21Na, γ), E=220 keV/nucleon; measured particle spectra, (particle)γ-coin.

doi: 10.1016/S0375-9474(03)00828-5
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2003OL08      Nucl.Phys. A721, 1019c (2003)

A.Olin, S.Bishop, L.Buchmann, M.L.Chatterjee, A.Chen, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, C.Jewett, J.King, S.Kubono, M.Lamey, A.M.Laird, R.Lewis, W.Liu, S.Michimasa, D.Ottewell, P.Parker, J.Rogers, F.Strieder, C.Wrede

Nuclear Astrophysics at ISAC with DRAGON: Initial Studies

NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 212, 822 keV/nucleon; measured resonance excitation functions.

doi: 10.1016/S0375-9474(03)01275-2
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2002CL04      Phys.Rev. C 66, 054606 (2002)

J.L.Clark, M.E.Sevior, H.Clement, J.Grater, R.Meier, G.J.Wagner, P.-A.Amaudruz, L.Felawka, G.J.Hofman, D.Ottewell, G.R.Smith, A.Ambardar, M.Kermani, G.Tagliente, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, E.L.Mathie, R.Tacik, D.M.Yeomans, E.F.Gibson, J.T.Brack, M.Schepkin

Semiexclusive pionic double charge exchange on 4He

NUCLEAR REACTIONS 4He(π+, π-2p), E=105, 115 MeV; measured invariant mass spectra; deduced sequential single charge exchange, no dibaryon resonance.

doi: 10.1103/PhysRevC.66.054606
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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
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2002PA41      Phys.Rev. C66, 025207 (2002)

J.D.Patterson, G.J.Hofman, J.T.Brack, P.Camerini, J.Clark, P.P.J.Delheij, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, B.Jamieson, E.L.Mathie, R.Meier, D.Ottewell, R.J.Peterson, K.Raywood, R.A.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, R.Tacik, G.Tagliente, G.J.Wagner, D.M.Yeomans

Analyzing powers for πp elastic scattering between 57 and 139 MeV

NUCLEAR REACTIONS 1H(π-, π-), E=57-139 MeV; 1H(π+, π+), E=139 MeV; measured Ay(θ). Polarized target, comparison with previous results and model predictions.

doi: 10.1103/PhysRevC.66.025207
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2001AM01      Nucl.Phys. A684, 386c (2001)

A.Ambardar, F.Duncan, A.Feltham, G.Hofman, R.R.Johnson, G.Jones, J.B.Lange, M.Pavan, K.J.Raywood, D.Vetterli, J.T.Brack, D.Ottewell, G.R.Smith, M.E.Sevior

Measurement of π p → ππ n Cross-Sections Near Threshold

NUCLEAR REACTIONS 1H(π-, π+π-), (π+, 2π+), E=176-200 MeV; measured σ; deduced reaction matrix elements, scattering lengths.

doi: 10.1016/S0375-9474(01)00403-1
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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
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2000BO38      Nucl.Phys. A677, 213 (2000)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

The ππ Interaction in Nuclear Matter from a Study of the π+A → π+π± A' Reactions

NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, π+π-), (π+, 2π+), E=283 MeV; measured two-pion invariant mass spectra, σ(θ); deduced medium modification effects.

doi: 10.1016/S0375-9474(00)00286-4
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2000LA03      Phys.Rev. C61, 025201 (2000)

J.B.Lange, A.Ambardar, F.Duncan, A.Feltham, G.Hofman, R.R.Johnson, G.Jones, M.Pavan, K.J.Raywood, D.Vetterli, J.T.Brack, D.Ottewell, G.R.Smith, M.E.Sevior

Determination of the π±p → π±π+n Cross Section Near Threshold

NUCLEAR REACTIONS 1H(π-, π+π-), E=176-200 MeV; 1H(π+, 2π+), E=184, 200 MeV; measured total σ; deduced reaction matrix elements, scattering lengths. Heavy baryon chiral perturbation theory. Comparisons with previous results.

doi: 10.1103/PhysRevC.61.025201
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2000QU01      Nucl.Phys. A663-664, 903c (2000)

M.A.Quraan, P.Amaudruz, W.Andersson, M.Comyn, Yu.Davydov, P.Depommier, J.Doornbos, W.Faszer, C.A.Gagliardi, D.R.Gill, P.Green, P.Gumplinger, J.C.Hardy, M.Hasinoff, R.Helmer, R.Henderson, A.Khruchinsky, P.Kitching, D.D.Koetke, E.Korkmaz, Y.Lachin, D.Mass, J.A.Macdonald, R.Manweiler, T.Mathie, J.R.Musser, P.Nord, A.Olin, D.Ottewell, R.Openshaw, L.Piilonen, T.Porcelli, J.-M.Poutissou, R.Poutissou, N.L.Rodning, J.Schaapman, V.Selivanov, G.Sheffer, Y.Shin, F.Sobratee, J.Soukup, T.D.S.Stanislaus, G.Stinson, R.Tacik, V.Torokhov, R.E.Tribble, M.A.Vasiliev, H.K.Walter, D.Wright

A Precision Measurement of Muon Decay

doi: 10.1016/S0375-9474(99)00793-9
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1999BO25      Phys.Rev. C60, 018201 (1999)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, K.Raywood, D.Ottewell, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

ππ Pairs in Nuclei and the σ Meson

NUCLEAR REACTIONS 2H, 12C, 16O, 40Ca, 208Pb(π+, π+π-), (π+, 2π+), E=283 MeV; measured σ; deduced in-medium correlation effects.

doi: 10.1103/PhysRevC.60.018201
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1999GR01      Eur.Phys.J. A 4, 5 (1999)

J.Grater, P.A.Amaudruz, R.Bilger, P.Camerini, J.Clark, H.Clement, E.Friedman, L.Felawka, S.N.Filippov, E.Friagiacomo, Yu.K.Gavrilov, E.Gibson, N.Grion, G.J.Hofman, B.Jamieson, T.L.Karavicheva, M.Kermani, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, J.Patzold, O.Patarakin, K.Raywood, R.Rui, M.Schepkin, M.E.Sevior, G.R.Smith, H.Staudenmaier, R.Tacik, G.Tagliente, G.J.Wagner, M.Yeomans

Search for a Bound Trineutron with the 3He(π-π+)nnn Reaction

NUCLEAR REACTIONS 3He(π-, π+), E=65, 75, 120 MeV; measured three-neutron system invariant mass spectra; deduced no trineutron bound state or unbound resonance.

doi: 10.1007/s100500050196
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1999HA06      Phys.Rev.Lett. 82, 2258 (1999)

H.Hahn, F.A.Duncan, J.Aclander, D.Ashery, E.G.Auld, D.R.Gill, D.A.Hutcheon, G.Jones, E.Korkmaz, S.Maytal-Beck, M.A.Moinester, J.A.Niskanen, D.Ottewell, A.Rahav, S.Ram, M.Sevior, P.L.Walden, R.Weiss

Analyzing Powers and Partial Wave Decomposition of pn → pp(1S0- at Low Energies

NUCLEAR REACTIONS 2H(polarized p, 2pπ-), E=353, 403, 440 MeV; measured pion, proton spectra, spectator momentum distributions. 1n(polarized p, pπ-)E=353, 403, 440 MeV; deduced analyzing powers for quasifree reaction. Partial wave analysis.

doi: 10.1103/PhysRevLett.82.2258
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1998DU07      Phys.Rev.Lett. 80, 4390 (1998)

F.Duncan, H.Hahn, C.Aclander, D.Ashery, E.G.Auld, D.R.Gill, D.A.Hutcheon, G.Jones, E.Korkmaz, S.Maytal-Beck, M.A.Moinester, J.A.Niskanen, D.Ottewell, A.Rahav, S.Ram, M.Sevior, P.L.Walden, R.Weiss

Differential Cross Section of the pn → pp(1S0- Reaction Extracted from pd → pppπ-

NUCLEAR REACTIONS 2H(polarized p, 2pπ-), E=353, 403, 440 MeV; measured spectator momentum distributions; deduced σ(θ(π), M(pp)) for pn reaction. Comparison with pion absorption data.

doi: 10.1103/PhysRevLett.80.4390
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1998HO21      Phys.Rev. C58, 3484 (1998)

G.J.Hofman, G.R.Smith, T.Ambardar, F.Bonutti, J.T.Brack, P.Camerini, J.Clark, P.P.J.Delheij, F.Farzanpay, L.Felawka, E.Fragiacomo, E.F.Gibson, J.Graeter, N.Grion, M.Kermani, E.L.Mathie, R.Meier, D.Ottewell, R.J.Peterson, R.A.Ristinen, R.Rui, M.E.Sevior, H.Staudenmaier, R.Tacik, G.J.Wagner

Analyzing Powers for π±p(pol) Elastic Scattering between 87 and 263 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=87-267 MeV; measured Ay(θ); deduced phase shift analysis parameters. Polarized target.

doi: 10.1103/PhysRevC.58.3484
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1998KE06      Phys.Rev. C58, 3419 (1998)

M.Kermani, P.A.Amaudruz, F.Bonutti, J.T.Brack, P.Camerini, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, R.R.Johnson, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.J.Raywood, R.Rui, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

Exclusive Measurements of π±p → π+π±n Near Threshold

NUCLEAR REACTIONS 1H(π-, π-π+), (π+, 2π+), E=223, 243, 264, 284, 305 MeV; measured σ(θ(1)-θ(2)), σ(m2), σ(t), total σ; deduced model parameters.

doi: 10.1103/PhysRevC.58.3419
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1998KE07      Phys.Rev. C58, 3431 (1998)

M.Kermani, O.Patarakin, G.R.Smith, P.A.Amaudruz, F.Bonutti, J.T.Brack, P.Camerini, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.J.Raywood, R.Rui, M.E.Sevior, R.Tacik, V.Mayorov, V.Tikhonov, and the CHAOS Collaboration

ππ → ππ Cross Sections Near Threshold

NUCLEAR REACTIONS 1H(π-, π-π+), (π+, 2π+), E=223, 243, 264, 284 MeV; analyzed data; deduced pion-pion cross sections, scattering length.

doi: 10.1103/PhysRevC.58.3431
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1998LA01      Phys.Rev.Lett. 80, 1597 (1998)

J.B.Lange, F.Duncan, A.Ambardar, A.Feltham, G.Hofman, R.R.Johnson, G.Jones, M.Pavan, K.J.Raywood, D.Vetterli, J.T.Brack, D.Ottewell, G.R.Smith, M.E.Sevior

Determination of the π± p → π±π+n Cross Section Near Threshold

NUCLEAR REACTIONS 1H(π-, nπ+π-), (π+, n2π+), E = 180-200 MeV; measured σ; deduced matrix elements, pion-pion scattering lengths.

doi: 10.1103/PhysRevLett.80.1597
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1998TA02      Phys.Rev. C57, 1295 (1998)

R.Tacik, F.Farzanpay, E.L.Mathie, P.Amaudruz, J.T.Brack, L.Felawka, R.Meier, D.Ottewell, G.R.Smith, G.Hofman, M.Kermani, S.McFarland, K.Raywood, M.Sevior, F.Bonutti, P.Camerini, N.Grion, R.Rui, E.F.Gibson

Pion Absorption in 12C

NUCLEAR REACTIONS 12C(π+, 2p), (π+, 3p), E=200, 240, 280 MeV; measured protons σ(E, θ); deduced reaction mechanism.

doi: 10.1103/PhysRevC.57.1295
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1997BO15      Phys.Rev. C55, 2998 (1997)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

Pion-Induced Pion Production in Nuclei

NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, π+π-), (π+, π+π-p), E at 283 MeV/c; measured missing mass, energy distributions; deduced pion production mechanism.

doi: 10.1103/PhysRevC.55.2998
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1997FE01      Phys.Rev. C55, 19 (1997)

A.Feltham, G.Jones, R.Olszewski, M.Pavan, M.Sevior, R.P.Trelle, P.Weber, G.J.Lolos, E.L.Mathie, Z.Papandreou, R.Rui, D.Gill, D.Healey, D.Ottewell, G.Sheffer, G.R.Smith, V.Sossi, G.Wait, P.Walden

Spin-Transfer Measurements of the πd(pol) p(pol)p Reaction Energies Spanning the Δ Resonance

NUCLEAR REACTIONS 2H(π, p), E=105-255 MeV; measured proton polarization, analyzing power, spin transfer observables. Polarized target.

doi: 10.1103/PhysRevC.55.19
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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
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1997RA12      Phys.Rev. C55, 2492 (1997)

K.J.Raywood, J.B.Lange, G.Jones, M.Pavan, M.E.Sevior, D.A.Hutcheon, A.Olin, D.Ottewell, S.Yen, S.J.Lee, K.S.Sim, A.Altman, E.Friedman, A.Trudel

Search for Deeply Bound Pionic States in 208Pb Via Radiative Atomic Capture of Negative Pions

NUCLEAR REACTIONS 208Pb(π-, X), E=20, 25 MeV; measured radiative capture Eγ, Iγ; deduced atomic capture σ, probability.

ATOMIC PHYSICS, Mesic-Atoms 208Pb(π-, X), E=20, 25 MeV; measured radiative capture Eγ, Iγ; deduced atomic capture σ, probability.

doi: 10.1103/PhysRevC.55.2492
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1996BO09      Phys.Rev.Lett. 77, 603 (1996)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, P.A.Amaudruz, J.T.Brack, L.Felawka, E.F.Gibson, G.J.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

A Dependence of the (π+, π+π±) Reaction Near the 2m(π) Threshold

NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, 2π+), (π+, π+π-), E=282.7 MeV; measured double-pion invariant mass distribution; deduced ππ-interaction matter modification.

doi: 10.1103/PhysRevLett.77.603
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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
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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
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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
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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
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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
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1994LA09      Phys.Rev. C49, 2045 (1994)

B.Larson, O.Hausser, J.Alster, M.Bahrami, E.J.Brash, W.J.Cummings, P.P.J.Delheij, R.Henderson, D.Ottewell, A.Rahav, S.Ram, M.C.Vetterli, D.M.Whittal

Asymmetries in 100 MeV π+--3He(pol) Elastic Scattering

NUCLEAR REACTIONS 3He(π+, π+), (π-, π-), E=100 MeV; measured σ(θ), asymmetry vs θ. PWIA, full nonlocal DWIA models, realistic three-body wave functions. Polarized target.

doi: 10.1103/PhysRevC.49.2045
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1994ST02      Phys.Rev.Lett. 72, 973 (1994)

J.C.Stasko, B.Bassalleck, E.C.Booth, M.B.Chertok, D.Healey, R.Jacot-Guillarmod, M.A.Kovash, D.J.Mack, D.F.Measday, J.P.Miller, M.A.Moinester, D.Ottewell, M.A.Pickar, P.Weber

Radiative Decay of the Δ Resonance: Analyzing powers for π-(p(pol)) → γn

NUCLEAR REACTIONS 1H(π-, γ), E=100-250 MeV; measured radiative capture analyzing power vs θ, E. Polarized target.

doi: 10.1103/PhysRevLett.72.973
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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
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1993AC01      Phys.Lett. 300B, 19 (1993)

J.Aclander, S.May Tal-Beck, A.Altman, D.Ashery, H.Hahn, M.A.Moinester, A.Rahav, A.Feltham, G.Jones, M.Pavan, M.Sevior, D.Hutcheon, D.Ottewell, G.R.Smith, J.A.Niskanen

Proton Polarization from π+ Absorption in 4He

NUCLEAR REACTIONS 3,4He(π+, pX), E=120, 250 MeV; 2H(π+, p), E=120, 250 MeV; measured proton polarization, undetected nucleon yield.

doi: 10.1016/0370-2693(93)90741-Y
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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
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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
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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
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1992MA17      Phys.Rev.Lett. 68, 3012 (1992)

S.May Tal-Beck, J.Aclander, A.Altman, D.Ashery, H.Hahn, M.A.Moinester, A.Rahav, A.Feltham, G.Jones, M.Pavan, M.Sevior, D.Hutcheon, D.Ottewell, G.R.Smith, J.A.Niskanen

Proton Polarization from π+ Absorption in 3He

NUCLEAR REACTIONS 3He(π+, p), E=120, 250 MeV; measured proton polarization vs θ following pion absorption; deduced nuclear density dependence, short range correlations role. Quasideuteron absorption kinematics.

doi: 10.1103/PhysRevLett.68.3012
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1992VE04      Nucl.Phys. A548, 541 (1992)

D.Vetterli, R.R.Johnson, O.Meirav, M.E.Sevior, V.Sossi, P.Weber, P.Camerini, N.Grion, R.Rui, F.M.Rozon, P.Amaudruz, D.Ottewell, G.Sheffer, G.R.Smith, N.R.Stevenson, M.J.Vicente-Vacas

π+π- Coincidence Measurement in the 4He(π+, π+π-) Reaction at T(π+) = 280 MeV

NUCLEAR REACTIONS 4He(π+, π+π-), E=280 MeV; measured σ(θπ+, θπ-, Eπ+, Eπ-); deduced σ.

doi: 10.1016/0375-9474(92)90641-V
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1991FE05      Phys.Rev.Lett. 66, 2573 (1991)

A.Feltham, R.P.Trelle, G.Jones, D.Gill, D.Healey, G.J.Lolos, E.L.Mathie, R.Olszewski, D.Ottewell, Z.Papandreou, M.Pavan, R.Rui, M.Sevior, G.R.Smith, V.Sossi, G.Wait, P.Walden, P.Weber

Spin-Transfer Measurements of the πd(pol) → p(pol)p Reaction Spanning the Δ Resonance

NUCLEAR REACTIONS 2H(π, p), E=105-255 MeV; measured polarization observables. Polarized target.

doi: 10.1103/PhysRevLett.66.2573
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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
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1991LA09      Phys.Rev.Lett. 67, 3356 (1991)

B.Larson, O.Hausser, E.J.Brash, C.Chan, A.Rahav, C.Bennhold, P.P.J.Delheij, R.S.Henderson, B.K.Jennings, A.Mellinger, D.Ottewell, A.Trudel, M.C.Vetterli, D.M.Whittal, S.Ram, L.Tiator, S.S.Kamalov

Asymmetries in Elastic Scattering of 100 MeV π+ from a Polarized 3He Target

NUCLEAR REACTIONS 3He(π+, π+), E=100 MeV; measured σ(θ), analyzing power. Full nonlocal DWIA, realistic three-body Faddeev wave functions. Polarized target.

doi: 10.1103/PhysRevLett.67.3356
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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
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1991WE04      Phys.Rev. C43, 1553 (1991)

P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, R.R.Johnson, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, V.Sossi, D.Vetterli, D.Humphrey, G.J.Lolos, Z.Papandreou, R.Tacik, D.Ottewell, G.Sheffer, G.R.Smith, Y.Mardor, S.May-Tal

Multinucleon Pion Absorption in the 4He(π+, ppp)n Reaction

NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured σ(θp1, θp2, θp3), missing momentum distributions, energy spectra; deduced 3p emission, pion absorption mechanism.

doi: 10.1103/PhysRevC.43.1553
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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
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1990MA02      Phys.Rev. C41, 193 (1990)

E.L.Mathie, V.Pafilis, G.M.Huber, G.J.Lolos, S.I.H.Naqvi, Z.Papandreou, D.M.Yeomans, M.Sevior, R.P.Trelle, D.Ottewell, G.R.Smith, D.Healey, H.Garcilazo

Pion-Deuteron Breakup Reaction at 228 MeV

NUCLEAR REACTIONS 2H(π, πp), E=228 MeV; measured σ(θ(π), θp) vs proton momentum; deduced possible quark contribution role.

doi: 10.1103/PhysRevC.41.193
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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
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1990RU09      Nucl.Phys. A517, 455 (1990)

R.Rui, P.Camerini, N.Grion, R.R.Johnson, M.Pavan, F.M.Rozon, V.Sossi, D.Ottewell, G.Sheffer, G.Smith, N.R.Stevenson, M.J.Vicente-Vacas

π+π- Coincidence Measurement in the π+d → π+π-pp Reaction at Tπ+ = 280 MeV

NUCLEAR REACTIONS 2H(π+, π+π-), E=280 MeV; measured σ(θπ+, θπ-, Eπ+, Eπ-); deduced σ.

doi: 10.1016/0375-9474(90)90211-4
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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
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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
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1989SE12      Phys.Rev. C40, 2780 (1989)

M.E.Sevior, A.Feltham, P.Weber, G.R.Smith, D.R.Gill, D.Healey, D.Ottewell, G.D.Wait, J.T.Brack, M.Kohler, J.J.Kraushaar, D.Oakley, R.J.Peterson, R.A.Ristinen, E.L.Mathie, N.R.Stevenson, R.B.Schubank, E.Gibson, R.Arndt

Analyzing Power in π±p(pol) Elastic Scattering from T(π) = 98 to 263 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=98-263 MeV; measured analyzing power vs θ; deduced πp phase shifts. Polarized target.

doi: 10.1103/PhysRevC.40.2780
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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
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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
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1989WE11      Phys.Lett. 230B, 31 (1989)

P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, D.Humphrey, R.R.Johnson, G.J.Lolos, Y.Mardor, S.May-Tal, D.Ottewell, Z.Papandreou, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, G.Sheffer, G.R.Smith, V.Sossi, R.Tacik, D.Vetterli

Multi-Nucleon Pion Absorption in the 4He(π+, ppp)n Reaction

NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured proton triple coincidences, σ(θ); deduced pion absorption mechanism. Kinematically complete experiment.

doi: 10.1016/0370-2693(89)91648-1
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1989WE14      Phys.Lett. 233B, 281 (1989)

P.Weber, J.McAlister, R.Olszewski, A.Feltham, M.Hanna, D.Humphrey, R.R.Johnson, G.J.Lolos, Y.Mardor, S.May-Tal, D.Ottewell, Z.Papandreou, M.Pavan, C.Ponting, F.M.Rozon, M.Sevior, G.Sheffer, G.R.Smith, V.Sossi, R.Tacik, D.Vetterli

Multi-Nucleon Pion Absorption in the 4He(π+, ppp)n Reaction

NUCLEAR REACTIONS 4He(π+, 3p), E=165 MeV; measured σ(θ1, θ2, θ3); deduced pion absorption mechanism. Kinematically complete experiment.

doi: 10.1016/0370-2693(89)91310-5
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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
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1988SM04      Phys.Rev. C38, 240 (1988)

G.R.Smith, D.R.Gill, D.Ottewell, G.D.Wait, P.Walden, R.R.Johnson, R.Olszewski, R.Rui, M.E.Sevior, R.P.Trelle, J.Brack, J.J.Kraushaar, R.A.Ristinen, H.Chase, E.L.Mathie, V.Pafilis, R.B.Schubank, N.R.Stevenson, A.Rinat, Y.Alexander

Energy Dependence of the Charge Asymmetry A(T(π), θ) in πd Elastic Scattering

NUCLEAR REACTIONS 2H(π+, π+), (π-, π-), E=143-256 MeV; measured charge asymmetry vs E, θ; deduced Δ-isobar parameters.

doi: 10.1103/PhysRevC.38.240
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1988SM05      Phys.Rev. C38, 251 (1988)

G.R.Smith, D.R.Gill, D.Healey, D.Ottewell, G.D.Wait, P.Walden, R.R.Johnson, G.Jones, R.Olszewski, F.M.Rozon, R.Rui, M.E.Sevior, R.P.Trelle, E.L.Mathie, G.Lolos, S.I.H.Naqvi, V.Pafilis, N.R.Stevenson, R.B.Schubank, W.Gyles, C.R.Ottermann, G.S.Kyle

Energy Dependence of T20 and τ21 in πd(pol) Elastic Scattering

NUCLEAR REACTIONS 2H(π, π), E=134-256 MeV; measured tensor analyzing power vs θ; deduced pion absorption role. Tensor polarized target.

doi: 10.1103/PhysRevC.38.251
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1987SM02      Nucl.Instrum.Methods Phys.Res. A254, 263 (1987)

G.R.Smith, P.Delheij, D.R.Gill, D.Healey, D.Ottewell, G.D.Wait, P.Walden, R.R.Johnson, G.Jones, F.M.Rozon, M.Sevior, F.Tervisidis, R.P.Trelle, E.L.Mathie, S.I.H.Naqvi, G.J.Lolos, C.R.Otterman, E.T.Boschitz, G.S.Kyle, P.A.Amaudruz

Direct Measurement of the Tensor Polarization of a Polarized Deuteron Target

NUCLEAR MOMENTS 2H; measured NMR; deduced vector polarization. Polarized target, 2H(π, 2p) data input.

doi: 10.1016/0168-9002(87)90673-5
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1987SM04      Phys.Rev. C35, 2343 (1987)

G.R.Smith, D.R.Gill, D.Healey, D.Ottewell, G.D.Wait, P.Walden, R.R.Johnson, G.Jones, R.Olszewski, F.M.Rozon, R.Rui, M.E.Sevior, R.P.Trelle, E.L.Mathie, G.J.Lolos, C.R.Ottermann, W.Gyles, G.S.Kyle

Measurement of the Tensor Analyzing Power T21 in πd Elastic Scattering

NUCLEAR REACTIONS 2H(π, π), E=180 MeV; measured σ(Ed), T21(θ). Polarized target. Faddeev calculations.

doi: 10.1103/PhysRevC.35.2343
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1986BR29      Phys.Rev. C34, 1771 (1986)

J.T.Brack, J.J.Kraushaar, J.H.Mitchell, R.J.Peterson, R.A.Ristinen, J.L.Ullmann, D.R.Gill, R.R.Johnson, D.Ottewell, F.M.Rozon, M.E.Sevior, G.R.Smith, F.Tervisidis, R.P.Trelle, E.L.Mathie

πp Elastic Scattering from 67 to 139 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=66.8-138.8 MeV; measured σ(θ).

doi: 10.1103/PhysRevC.34.1771
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Note: The following list of authors and aliases matches the search parameter D.Ottewell: , D.F.OTTEWELL