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NSR database version of April 11, 2024.

Search: Author = R.Azuma

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2017DE26      Rev.Mod.Phys. 89, 035007 (2017)

R.J.deBoer, J.Gorres, M.Wiescher, R.E.Azuma, A.Best, C.R.Brune, C.E.Fields, S.Jones, M.Pignatari, D.Sayre, K.Smith, F.X.Timmes, E.Uberseder

The 12C(α, γ)16O reaction and its implications for stellar helium burning

NUCLEAR REACTIONS 12C(α, γ)16O, E(cm)<6 MeV; analyzed available data; deduced σ, reaction rates and uncertainties.

doi: 10.1103/RevModPhys.89.035007
Citations: PlumX Metrics


2017WI05      Phys.Rev. C 95, 044617 (2017)

M.Wiescher, R.J.deBoer, J.Gorres, R.E.Azuma

Low energy measurements of the 10B (p, α) 7Be reaction

NUCLEAR REACTIONS 10B(p, p), (p, α), E=80-1440 keV; measured Eα, Iα σ(θ, E) at incident E(p)=400-1000 keV, and Eγ, Iγ at E(p)=80-1440 keV for the yield of the 429 keV radiation from the reaction at the University of Notre Dame; deduced total S-factor, Legendre polynomial fit parameters from angular distributions. R-matrix analysis. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.95.044617
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2012DE08      Phys.Rev. C 85, 045804 (2012)

R.J.de Boer, A.Couture, R.Detwiler, J.Gorres, P.Tischhauser, E.Uberseder, C.Ugalde, E.Stech, M.Wiescher, R.E.Azuma

Measurement of elastic 12C + α scattering: Above the proton separation energy

NUCLEAR REACTIONS 12C(α, α), E=2.6-8.2 MeV; measured Eα, Iα, σ(E, θ). 12C(α, α'), (α, p), E=6.6-8.2 MeV; analyzed σ(E, θ) data. 16O; deduced resonances, levels, J, π, α and proton widths. R-matrix analysis. Relevance to CNO cycle.

doi: 10.1103/PhysRevC.85.045804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1921. Data from this article have been entered in the XUNDL database. For more information, click here.


2010AZ01      Phys.Rev. C 81, 045805 (2010)

R.E.Azuma, E.Uberseder, E.C.Simpson, C.R.Brune, H.Costantini, R.J.de Boer, J.Gorres, M.Heil, P.J.LeBlanc, C.Ugalde, M.Wiescher

AZURE: An R-matrix code for nuclear astrophysics

NUCLEAR REACTIONS 12C(p, γ), (p, p), 14N(p, γ), E=0.2-2.5 MeV; 16O(p, γ), E=0.23-3.75 MeV; analyzed σ(θ), proton widths, γ widths, S factor and nuclear phase shift using R-matrix analysis. Description of AZURE code for R-matrix analysis of reactions relevant to nuclear astrophysics.

doi: 10.1103/PhysRevC.81.045805
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2010CO12      Phys.Rev. C 82, 035802 (2010)

H.Costantini, R.J.de Boer, R.E.Azuma, M.Couder, J.Gorres, J.W.Hammer, P.J.LeBlanc, H.Y.Lee, S.O'Brien, A.Palumbo, E.C.Simpson, E.Stech, W.Tan, E.Uberseder, M.Wiescher

16O(α, γ)20Ne S factor: Measurements and R-matrix analysis

NUCLEAR REACTIONS 16O(α, γ), E=2.5 MeV; measured Eγ, Iγ, γγ-coin, Eα, Iα. 20Ne; deduced levels, J, π, resonances, width, yields, branching ratios, S factors, reaction rates. R-matrix analysis.

doi: 10.1103/PhysRevC.82.035802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1819. Data from this article have been entered in the XUNDL database. For more information, click here.


2010LE21      Phys.Rev. C 82, 055804 (2010), Erratum Phys.Rev. C 84, 019902 (2011)

P.J.LeBlanc, G.Imbriani, J.Gorres, M.Junker, R.Azuma, M.Beard, D.Bemmerer, A.Best, C.Broggini, A.Caciolli, P.Corvisiero, H.Costantini, M.Couder, R.deBoer, Z.Elekes, S.Falahat, A.Formicola, Zs.Fulop, G.Gervino, A.Guglielmetti, C.Gustavino, Gy.Gyurky, F.Kappeler, A.Kontos, R.Kuntz, H.Leiste, A.Lemut Q.Li, B.Limata, M.Marta, C.Mazzocchi, R.Menegazzo, S.O'Brien, A.Palumbo, P.Prati, V.Roca, C.Rolfs, C.Rossi Alvarez, E.Somorjai, E.Stech, O.Straniero, F.Strieder, W.Tan, F.Terrasi, H.P.Trautvetter, E.Uberseder, M.Wiescher

Constraining the S factor of 15N(p, γ)16O at astrophysical energies

NUCLEAR REACTIONS 15N(p, γ), E=130-1800 keV; measured Ep, Ip, Eγ, Iγ, σ(E), σ(θ); deduced resonances, branching ratios, astrophysical S factors and reaction rates. Multilevel R-matrix analysis. Implications for the first and second cycles of the CNO cycles.

doi: 10.1103/PhysRevC.82.055804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1825. Data from this article have been entered in the XUNDL database. For more information, click here.


2009TI02      Phys.Rev. C 79, 055803 (2009)

P.Tischhauser, A.Couture, R.Detwiler, J.Gorres, C.Ugalde, E.Stech, M.Wiescher, M.Heil, F.Kappeler, R.E.Azuma, L.Buchmann

Measurement of elastic 12C+α scattering: Details of the experiment, analysis, and discussion of phase shifts

NUCLEAR REACTIONS 12C(α, α), E=2.6-8.2 MeV; measured Eα, Iα, σ(θ); deduced phase shifts using R-matrix analysis. 16O; deduced levels, resonances, α-widths. Application to 12C(α, γ)16O reaction of astrophysical interest.

doi: 10.1103/PhysRevC.79.055803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1461. Data from this article have been entered in the XUNDL database. For more information, click here.


2008CO03      Phys.Rev. C 77, 015802 (2008)

A.Couture, M.Beard, M.Couder, J.Gorres, L.Lamm, P.J.LeBlanc, H.Y.Lee, S.O'Brien, A.Palumbo, E.Stech, E.Strandberg, W.Tan, E.Uberseder, C.Ugalde, M.Wiescher, R.Azuma

Measurement of the 19F(p, γ)20Ne reaction and interference terms from Ec.m.=200-760 keV

NUCLEAR REACTIONS 19F(p, γ), E(cm)=200-700 keV; measured Eγ, Iγ, resonance parameters, interference signs. 20Ne, 16O, 19F; deduced levels, J, π.

doi: 10.1103/PhysRevC.77.015802
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2008HE11      Phys.Rev. C 78, 025803 (2008)

M.Heil, R.Detwiler, R.E.Azuma, A.Couture, J.Daly, J.Goerres, F.Kappeler, R.Reifarth, P.Tischhauser, C.Ugalde, M.Wiescher

The 13C(α, n) reaction and its role as a neutron source for the s process

NUCLEAR REACTIONS 13C(α, n), E(cm)=320-700 keV; 13C(α, α), E=2.6-6.2 MeV; measured radii, σ, σ(θ), S-factor. 17O; deduced levels, J, π, resonance parameters.16O(n, n), (n, αγ); analyzed σ. R-matrix analysis.

doi: 10.1103/PhysRevC.78.025803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0513.


2008ST11      Phys.Rev. C 77, 055801 (2008)

E.Strandberg, M.Beard, M.Couder, A.Couture, S.Falahat, J.Gorres, P.J.LeBlanc, H.Y.Lee, S.O'Brien, A.Palumbo, E.Stech, W.P.Tan, C.Ugalde, M.Wiescher, H.Costantini, K.Scheller, M.Pignatari, R.Azuma, L.Buchmann

24Mg(α, γ)28Si resonance parameters at low alpha-particle energies

NUCLEAR REACTIONS 24Mg(α, γ), E=1.0-1.5 MeV; measured Eγ, Iγ, γγ-coin, branching ratios, resonance strengths. 28Si; deduced levels, J, π, reaction rates. 13C, 17O, 21,22Ne, 25Mg(α, n); 16O, 20Ne(α, γ); 23Na, 24Mg, 27Al(p, γ); 23Na, 24Mg, 27Al, 28Si(n, γ); 25Al(γ, p); 27Al(p, α); analyzed reaction rates.

doi: 10.1103/PhysRevC.77.055801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1627. Data from this article have been entered in the XUNDL database. For more information, click here.


2008UG01      Phys.Rev. C 77, 035801 (2008)

C.Ugalde, R.E.Azuma, A.Couture, J.Gorres, H.Y.Lee, E.Stech, E.Strandberg, W.Tan, M.Wiescher

Thermonuclear rate for the 19F(α, p)22Ne reaction at stellar temperatures

NUCLEAR REACTIONS 19F(α, p), E=792-1993 keV; measured yield curves, σ, σ(θ), reaction rate at stellar temperatures; calculated low energy S-factor. R-matrix analysis.

doi: 10.1103/PhysRevC.77.035801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1605.


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.


2005RU15      Nucl.Phys. A758, 166c (2005)

C.Ruiz, M.Aliotta, R.E.Azuma, R.N.Boyd, L.Buchmann, A.Chen, N.M.Clarke, J.M.D'Auria, T.Davinson, B.R.Fulton, D.Groombridge, D.Hutcheon, A.M.Laird, A.S.Murphy, J.Pearson, I.Roberts, A.Robinson, F.Sarazin, A.C.Shotter, P.Walden, P.J.Woods

Multichannel R-matrix analysis of elastic and inelastic resonances in the 20, 21Na+p compound systems

NUCLEAR REACTIONS 1H(20Na, p), (21Na, p), E(cm) ≈ 500-1600 keV; measured recoil proton spectra; deduced excitation functions. 22Ne deduced resonance energies, widths.

doi: 10.1016/j.nuclphysa.2005.05.171
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2005UG04      Nucl.Phys. A758, 577c (2005)

C.Ugalde, R.Azuma, A.Couture, J.Gorres, M.Heil, K.Scheller, E.Stech, W.Tan, M.Wiescher

The reaction rate for the destruction of fluorine in AGB stars

NUCLEAR REACTIONS 19F(α, p), E=1238-2009 keV; measured yields; deduced astrophysical reaction rates.

doi: 10.1016/j.nuclphysa.2005.05.106
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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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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0992.


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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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0992.


2002RU03      Phys.Rev. C65, 042801 (2002)

C.Ruiz, F.Sarazin, L.Buchmann, T.Davinson, R.E.Azuma, A.A.Chen, B.R.Fulton, D.Groombridge, L.Ling, A.Murphy, J.Pearson, I.Roberts, A.Robinson, A.C.Shotter, P.Walden, P.J.Woods

Strong Resonances in Elastic Scattering of Radioactive 21Na on Protons

NUCLEAR REACTIONS 1H(21Na, 21Na'), E(cm)=0.45-1.4 MeV; measured σ(θ), recoil proton spectra. 22Mg deduced resonance features.

doi: 10.1103/PhysRevC.65.042801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1542.


2002TI03      Phys.Rev.Lett. 88, 072501 (2002)

P.Tischhauser, R.E.Azuma, L.Buchmann, R.Detwiler, U.Giesen, J.Gorres, M.Heil, J.Hinnefeld, F.Kappeler, J.J.Kolata, H.Schatz, A.Shotter, E.Stech, S.Vouzoukas, M.Wiescher

Elastic α - 12C Scattering and the 12C(α, γ)16O E2 S Factor

NUCLEAR REACTIONS 12C(α, α), E=2.6-8.2 MeV; measured σ(θ); deduced interaction radius. 16O levels deduced reduced width amplitudes. 12C(α, γ), E(cm)=300 keV; calculated E2 S-factor. R-matrix analysis, comparison with previous results.

doi: 10.1103/PhysRevLett.88.072501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1461.


2001BU20      Nucl.Phys. A688, 259c (2001)

L.Buchmann, P.Tischhauser, R.E.Azuma, R.Detwiler, U.Giesen, J.Gorres, M.Heil, J.Hinnefeld, F.Kappeler, J.J.Kolata, H.Schatz, A.Shotter, E.Stech, S.Vouzoukas, M.Wiescher

Restrictions on the Stellar 12C(α, γ)16O Rate from Elastic α-12C Scattering

NUCLEAR REACTIONS 12C(α, α), E=2.6-8.2 MeV; measured σ(θ), S-factors following R-matrix calculations. Comparison with previous measurements.

doi: 10.1016/S0375-9474(01)00710-2
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2000GE09      Phys.Rev. C61, 064310 (2000)

E.Gete, L.Buchmann, R.E.Azuma, D.Anthony, N.Bateman, J.C.Chow, J.M.D'Auria, M.Dombsky, U.Giesen, C.Iliadis, K.P.Jackson, J.D.King, D.F.Measday, A.C.Morton

β-Delayed Particle Decay of 9C and the A = 9, T = 1/2 Nuclear System: Experiment, data, and phenomenological analysis

RADIOACTIVITY 9C(β+); measured Eβ, Iβ, β-delayed particle spectra, coincidences, angular correlations. 9B levels deduced excitation and decay branching ratios.

doi: 10.1103/PhysRevC.61.064310
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1998CH05      Phys.Rev. C57, R475 (1998)

J.C.Chow, A.C.Morton, R.E.Azuma, N.Bateman, R.N.Boyd, L.Buchmann, J.M.D'Auria, T.Davinson, M.Dombsky, W.Galster, E.Gete, U.Giesen, C.Iliadis, K.P.Jackson, J.D.King, G.Roy, T.Shoppa, A.Shotter

Three-Particle Breakup of the Isobaric Analog State in 17F

RADIOACTIVITY 17Ne(β+) [from Mg, O(p, X)]; measured β-delayed pα(12C)-coin. 17F deduced IAS p, α branching ratios. Implications for stellar helium burning discussed.

doi: 10.1103/PhysRevC.57.R475
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1997BU12      Nucl.Phys. A621, 153c (1997)

L.Buchmann, R.E.Azuma, C.A.Barnes, J.Humblet, K.Langanke

Present Experimental Constraints on the Total S-Factor of 12C(α, γ)16O and Proposals for Future Experiments

NUCLEAR REACTIONS, ICPND 12C(α, γ), E not given; analyzed data; deduced astrophysical S-factor limits for E1, E2 transitions, implications for future experiments.

doi: 10.1016/S0375-9474(97)00229-7
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1997IL03      Nucl.Phys. A621, 211c (1997)

C.Iliadis, R.E.Azuma, J.Chow, J.D.King, A.C.Morton, L.Buchmann, M.Dombsky, K.P.Jackson, J.M.D'Auria, U.Giesen, J.G.Ross, H.Schatz, M.Wiescher

Decay Studies of Importance to Explosive Hydrogen Burning

RADIOACTIVITY 36K(β+p), (β+α) [from Ca(p, X), E=500 MeV]; measured α-, proton spectra; deduced log ft. 36Ar deduced α-emitting resonance.

doi: 10.1016/S0375-9474(97)00240-6
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1997KI19      Nucl.Phys. A621, 169c (1997)

J.D.King, R.E.Azuma, C.Iliadis, A.C.Morton, L.Buchmann, M.Dombsky, K.P.Jackson, J.M.D'Auria, U.Giesen, G.Roy, T.Davinson, A.Shotter, W.Galster, R.N.Boyd

Investigation of the 12C(α, γ)16O Reaction Via the β-Delayed Proton Decay of 17Ne

RADIOACTIVITY 17Ne(β+p); measured β-delayed proton spectra, pγ-coin. 16O levels deduced β-delayed proton branching ratios. Implications for 12C(α, γ) reaction.

doi: 10.1016/S0375-9474(97)00232-7
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1996BU10      Phys.Rev. C54, 393 (1996)

L.Buchmann, R.E.Azuma, C.A.Barnes, J.Humblet, K.Langanke

Analysis of the Total 12C(α, γ)16O Cross Section Based on Available Angular Distributions and Other Primary Data

NUCLEAR REACTIONS, ICPND 12C(α, γ), E=stellar; analyzed σ(E); deduced different multipoles associated astrophysical S-factor vs E. R-, K-matrix approaches.

doi: 10.1103/PhysRevC.54.393
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1996IL02      Nucl.Phys. A609, 237 (1996)

C.Iliadis, R.E.Azuma, L.Buchmann, J.Chow, J.M.D'Auria, M.Dombsky, U.Giesen, J.D.King, A.C.Morton

Beta-Delayed Particle Decay of 36K

RADIOACTIVITY 36K(β+); measured decay products, β-delayed Ep, Ip, Eα, Iα. 36Ar; deduced levels, particle branching ratios, associated log ft upper limits. Microchannel plate in back-to-back geometry, surface barrier detector.

doi: 10.1016/0375-9474(96)00297-7
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1994AZ03      Phys.Rev. C50, 1194 (1994); Erratum Phys.Rev. C56, 1655 (1997)

R.E.Azuma, L.Buchmann, F.C.Barker, C.A.Barnes, J.M.D'Auria, M.Dombsky, U.Giesen, K.P.Jackson, J.D.King, R.G.Korteling, P.McNeely, J.Powell, G.Roy, J.Vincent, T.R.Wang, S.S.M.Wong, P.R.Wrean

Constraints on the Low-Energy E1 Cross Section of 12C(α, γ)16O from the β-Delayed α Spectrum of 16N

RADIOACTIVITY 16N(β-) [from on-line separation]; measured β-delayed α-spectrum, (α)(12C)-coin; deduced R-matrix, K-matrix level parameters relevant to 12C(α, γ) reaction. Thin Si surface barrier detector.

NUCLEAR REACTIONS, ICPND 12C(α, γ), E(cm) ≤ 3 MeV; calculated E1 part of astrophysical S-factor, σ(E); deduced R-matrix, K-matrix level parameters. Data of β--delayed α-spectrum of 16N-decay input.

doi: 10.1103/PhysRevC.50.1194
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1994EL05      Phys.Rev. C49, 3128 (1994)

S.El-Kateb, K.P.Jackson, W.P.Alford, R.Abegg, R.E.Azuma, B.A.Brown, A.Celler, D.Frekers, O.Hausser, R.Helmer, R.S.Henderson, K.H.Hicks, R.Jeppesen, J.D.King, K.Raywood, G.G.Shute, B.M.Spicer, A.Trudel, M.Vetterli, S.Yen

Spin-Isospin Strength Distributions for fp Shell Nuclei: Results for the 55Mn(n, p), 56Fe(n, p), and 58Ni(n, p) reactions at 198 MeV

NUCLEAR REACTIONS 55Mn, 56Fe, 58Ni(n, p), E=198 MeV; measured σ(θ, Ep). 55Mn, 56Fe, 58Ni deduced Gamow-Teller transition strength distribution.

doi: 10.1103/PhysRevC.49.3128
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13593.


1994GI01      Nucl.Phys. A567, 146 (1994)

U.Giesen, C.P.Browne, J.Gorres, J.G.Ross, M.Wiescher, R.E.Azuma, J.D.King, J.B.Vise, M.Buckby

The Influence of Low-Energy Resonances on the Reaction Rate of 18O(α, γ)22Ne

NUCLEAR REACTIONS, ICPND 18O(6Li, 6Li), (6Li, d), E=32 MeV; measured σ(θ); deduced model parameters. 18O(α, γ), E < 1 MeV; measured γ(θ). 18O(p, γ), E ≈ resonance; measured thick target yield curve. 22Ne deduced resonances, J, π, spectroscopic factors, role in 18O(α, γ) reaction rate.

doi: 10.1016/0375-9474(94)90731-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1451.


1994IL01      Nucl.Phys. A571, 132 (1994)

C.Iliadis, J.Gorres, J.G.Ross, K.W.Scheller, M.Wiescher, R.E.Azuma, G.Roters, H.P.Trautvetter, H.C.Evans

Explosive Hydrogen Burning of 35Cl

NUCLEAR REACTIONS 35Cl(3He, d), E=15 MeV; measured σ(θ), σ(Ed). 32S(6Li, d), E=32 MeV; measured σ(Ed). 32S(α, γ), E ≈ resonance; measured Eγ, Iγ. 35Cl(p, γ), E ≈ 200-800 keV; measured γ yield vs E , stellar rates. 35Cl(p, X), E=177 keV; measured particle spectra. 36Ar deduced levels, J, π, L, spectroscopic factors, γ-branching ratios, resonance strengths. Deduced no evidence for (p, α) reactions.

doi: 10.1016/0375-9474(94)90345-X
Citations: PlumX Metrics

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1994KI02      Nucl.Phys. A567, 354 (1994)

J.D.King, R.E.Azuma, J.B.Vise, J.Gorres, C.Rolfs, H.P.Trautvetter, A.E.Vlieks

Cross Section and Astrophysical S-Factor for the 13C(p, γ)14N Reaction

NUCLEAR REACTIONS, ICPND 13C(p, γ), E=120-950 keV; measured γ-ray yield 14N. 13C(p, γ), E=120-950 keV; calculated astrophysical S-factor, thermonuclear reaction rate. 14N deduced resonance parameters, branching ratios, direct capture contributions, spectroscopic factors for proton-bound states.

doi: 10.1016/0375-9474(94)90154-6
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1993BU03      Phys.Rev.Lett. 70, 726 (1993)

L.Buchmann, R.E.Azuma, C.A.Barnes, J.M.D'Auria, M.Dombsky, U.Giesen, K.P.Jackson, J.D.King, R.G.Korteling, P.McNeely, J.Powell, G.Roy, J.Vincent, T.R.Wang, S.S.M.Wong, P.R.Wrean

β-Delayed α Spectrum of 16N and the 12C(α, γ)16O Cross Section at Low Energies

RADIOACTIVITY 16N(β-); measured β-delayed Eα, Iα, α(12C)-coin; deduced E1 part of 12C(α, γ) reaction, astrophysical S-factor.

doi: 10.1103/PhysRevLett.70.726
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1993BU18      J.Phys.(London) G19, S115 (1993)

L.Buchmann, R.E.Azuma, C.A.Barnes, A.Chen, J.Chen, J.M.D'Auria, M.Dombsky, U.Giesen, K.P.Jackson, J.D.King, R.Korteling, P.McNeely, J.Powell, G.Roy, M.Trinczek, J.Vincent, P.R.Wrean, S.S.M.Wong

The β-Delayed α Spectrum of 16N and the Low-Energy Extrapolation of the 12C(α, γ)16O Cross Section

RADIOACTIVITY 16N(β-); measured β-delayed Eα, Iα, βα-coin; deduced 12C(α, γ) reaction σ(E=low) implications.

doi: 10.1088/0954-3899/19/S/010
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1993BU21      Nucl.Instrum.Methods Phys.Res. B79, 330 (1993)

L.Buchmann, R.E.Azuma, C.A.Barnes, J.M.D'Auria, M.Dombsky, U.Giesen, K.P.Jackson, J.D.King, R.Korteling, P.McNeely, J.Powell, G.Roy, J.Vincent, S.S.M.Wong, P.R.Wrean

A Study of Beta Delayed Alpha Emission from 16N

RADIOACTIVITY 16N(β-); measured β-delayed α(12C)-coin. 18,17N(β-); measured β-delayed Eα, Iα; deduced 12C(α, γ) reaction p-wave capture amplitude.

doi: 10.1016/0168-583X(93)95357-B
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1993GI04      Nucl.Phys. A561, 95 (1993)

U.Giesen, C.P.Browne, J.Gorres, S.Graff, C.Iliadis, H.-P.Trautvetter, M.Wiescher, V.Harms, K.L.Kratz, B.Pfeiffer, R.E.Azuma, M.Buckby, J.D.King

The Astrophysical Implications of Low-Energy Resonances in 22Ne + α

NUCLEAR REACTIONS 22Ne(6Li, d), E=32 MeV; measured σ(θ), σ(Ed). 22Ne(α, n), E=0.6-9 MeV; measured neutron yield vs E; deduced model parameters, resonance yield, reaction rates. 26Mg deduced resonances, J, π, α-spectroscopic factors, resonance strength.

doi: 10.1016/0375-9474(93)90167-V
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1992GO14      Nucl.Phys. A548, 414 (1992)

J.Gorres, S.Graff, M.Wiescher, R.E.Azuma, C.A.Barnes, T.R.Wang

Alpha Capture on 14C and Its Astrophysical Implications

NUCLEAR REACTIONS 14C(α, γ), E=1.14-2.23 MeV; measured γ yield vs E; deduced reaction mechanisms. 18O deduced transitions, resonance strengths. Astrophysical implications.

doi: 10.1016/0375-9474(92)90692-D
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1992IL01      Nucl.Phys. A539, 97 (1992)

C.Iliadis, U.Giesen, J.Gorres, M.Wiescher, S.M.Graff, R.E.Azuma, C.A.Barnes

Direct Proton Capture on 32S

NUCLEAR REACTIONS, ICPND 32S(p, γ), E=0.4-2 MeV; measured Eγ, Iγ, absolute γ yield vs E; deduced stellar reaction rate. 33Cl levels deduced C2S.

doi: 10.1016/0375-9474(92)90237-E
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1992IL03      Phys.Rev. C45, 2989 (1992)

C.Iliadis, J.G.Ross, J.Gorres, M.Wiescher, S.M.Graff, R.E.Azuma

Reaction 36Ar(p, γ)37K in Explosive Hydrogen Burning

NUCLEAR REACTIONS, ICPND 36Ar(p, γ), E=0.32-0.93 MeV; measured Eγ, Iγ, γ yield vs E; calculated thermonuclear reaction rate vs temperature. 37K levels deduced branching ratios, resonance strength.

doi: 10.1103/PhysRevC.45.2989
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1991IL01      Nucl.Phys. A533, 153 (1991)

C.Iliadis, U.Giesen, J.Gorres, S.Graff, M.Wiescher, R.E.Azuma, J.King, M.Buckby, C.A.Barnes, T.R.Wang

The Reaction Branching 31P(p, γ)/31P(p, α) in the rp-Process

NUCLEAR REACTIONS, ICPND 31P(p, γ), E=0.28-0.62 MeV; 31P(p, α), E=0.28-0.45 MeV; measured σ(E), relative yield. 32S, 28Si deduced resonances, J, π, resonance strengths. Hauser-Feshbach calculations.

doi: 10.1016/0375-9474(91)90824-P
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1991KI08      Phys.Rev. C44, 1077 (1991)

J.D.King, D.Frekers, R.Abegg, R.E.Azuma, L.Buchmann, C.Chan, T.E.Drake, R.Helmer, K.P.Jackson, L.Lee, C.A.Miller, E.Rost, R.Sawafta, R.Schubank, S.S.M.Wong, S.Yen, X.Q.Zhu

Excitation of the 10.957 MeV 0-; T = 0 State in 16O by 400 MeV Protons

NUCLEAR REACTIONS 16O(polarized p, p'), E=400 MeV; measured σ(θ), analyzing power vs θ; deduced reaction mechanism.

doi: 10.1103/PhysRevC.44.1077
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1990FR07      Phys.Lett. 244B, 178 (1990)

D.Frekers, H.J.Wortche, A.Richter, R.Abegg, R.E.Azuma, A.Celler, C.Chan, T.E.Drake, R.Helmer, K.P.Jackson, J.D.King, C.A.Miller, R.Schubank, M.C.Vetterli, S.Yen

Spin Excitations in the Deformed Nuclei 154Sm, 158Gd and 168Er

NUCLEAR REACTIONS 154,158Gd, 168Er(p, p'), E=200 MeV; measured σ(θ), σ(Ep'). 154Sm deduced B(M1) strength function. 158Gd, 168Er deduced B(λ).

doi: 10.1016/0370-2693(90)90051-7
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1990GO25      Nucl.Phys. A517, 329 (1990)

J.Gorres, S.Graff, M.Wiescher, R.E.Azuma, C.A.Barnes, H.W.Becker, T.R.Wang

Proton Capture on 14C and Its Astrophysical Implications

NUCLEAR REACTIONS, ICPND 14C(p, γ), E=250-740 KeV; measured γ-spectra, σ(E); deduced astrophysical S-factor vs E. 15N deduced resonances, γ-branching ratio, resonance strength.

doi: 10.1016/0375-9474(90)90038-N
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1990GR04      Nucl.Phys. A510, 346 (1990)

S.Graff, J.Gorres, M.Wiescher, R.E.Azuma, J.King, J.Vise, G.Hardie T.R.Wang

Proton Capture on 28Si and Its Astrophysical Implications

NUCLEAR REACTIONS, ICPND 28Si(p, γ), E=0.37-2.95 MeV; measured σ(E); deduced astrophysical S-factor, total reaction rate. 29P deduced resonances, resonance strengths, Γ, spectroscopic factors.

doi: 10.1016/0375-9474(90)90244-G
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1990NY01      Nucl.Phys. A510, 189 (1990)

G.Nyman, R.E.Azuma, P.G.Hansen, B.Jonson, P.O.Larsson, S.Mattsson, A.Richter, K.Riisager, O.Tengblad, K.Wilhelmsen, and the ISOLDE Collaboration

The Beta Decay of 9Li to Levels in 9Be: A new look

RADIOACTIVITY 9Li(β-) [from U(p, X)]; measured β-delayed neutron, alpha spectra; deduced log ft. 9Be levels deduced branching ratios, B(GT). R-matrix analysis. Surface barrier Si detectors, 3He spectrometers, on-line mass separation.

doi: 10.1016/0375-9474(90)90236-F
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1989CL02      Nucl.Phys. A493, 293 (1989)

E.T.H.Clifford, E.Hagberg, J.C.Hardy, H.Schmeing, R.E.Azuma, H.C.Evans, V.T.Koslowsky, U.J.Schrewe, K.S.Sharma, I.S.Towner

The Decay of 20Na: Measurements of isospin mixing and the weak vector coupling constant as well as other new decay data

RADIOACTIVITY 20Na [from 12C(10B, 2n), mass separation]; measured β+ rays, β-delayed Eα, Iα, Eγ, Iγ, T1/2, I(Eγ), (βα)-coin; deduced ft values, βνα-triple correlation coefficients, vector weak coupling constants. 20Ne deduced branching ratios, Gamow-Teller matrix elements, levels, isospin mixing amplitudes. Natural target, Ge(Li), Si surface barrier detectors, NE102A plastic scintillator-Si surface barrier detector telescopes.

doi: 10.1016/0375-9474(89)90399-0
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1989FR03      Phys.Lett. 218B, 439 (1989)

D.Frekers, D.Bohle, A.Richter, R.Abegg, R.E.Azuma, A.Celler, C.Chan, T.E.Drake, K.P.Jackson, J.D.King, C.A.Miller, R.Schubank, J.Watson, S.Yen

Spin Response of Magnetic Dipole Transitions in 156Gd and 164Dy

NUCLEAR REACTIONS 164Dy, 156Gd(p, p'), E=200 MeV; measured σ(θ), σ(Ep). 164Dy deduced magnetic dipole transition spin response, B(M1). 156Gd deduced magnetic dipole transition spin response.

doi: 10.1016/0370-2693(89)91443-3
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1989LE04      Nucl.Phys. A492, 607 (1989)

L.Lee, T.E.Drake, S.S.M.Wong, D.Frekers, R.E.Azuma, L.Buchmann, A.Galindo-Uribarri, J.D.King, R.Schubank, R.Abegg, R.Helmer, K.P.Jackson, C.A.Miller, S.Yen

Intermediate-Energy Proton Scattering to the Ground and Negative-Parity States of 40Ca, 90Zr and 208Pb

NUCLEAR REACTIONS 40Ca(polarized p, p'), E=362 MeV; 90Zr(polarized p, p'), E=400 MeV; 208Pb(polarized p, p'), E=200, 400 MeV; measured σ(θ), A(y)(θ). Natural 40Ca, enriched 90Zr, 208Pb targets. Nonrelativistic microscopic density-dependent model analysis.

doi: 10.1016/0375-9474(89)90111-5
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1989LE06      J.Phys.(London) G15, L91 (1989)

L.Lee, T.E.Drake, S.S.M.Wong, D.Frekers, R.E.Azuma, L.Buchmann, A.Galindo-Uribarri, J.D.King, R.Schubank, R.Abegg, R.Helmer, K.P.Jackson, C.A.Miller, S.Yen

Inelastic Proton Scattering to the Positive-Parity States in 90Zr at 400 MeV

NUCLEAR REACTIONS 90Zr(polarized p, p'), E=400 MeV; measured σ(θ), A(θ). Enriched target. Nonrelativistic microscopic density-dependent model analysis.

doi: 10.1088/0954-3899/15/5/006
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1988JA01      Phys.Lett. 201B, 25 (1988)

K.P.Jackson, A.Celler, W.P.Alford, K.Raywood, R.Abegg, R.E.Azuma, C.K.Campbell, S.El-Kateb, D.Frekers, P.W.Green, O.Hausser, R.L.Helmer, R.S.Henderson, K.H.Hicks, R.Jeppesen, P.Lewis, C.A.Miller, A.Moalem, M.A.Moinester, R.B.Schubank, G.G.Shute, B.M.Spicer, M.C.Vetterli, A.I.Yavin, S.Yen

The (n, p) Reaction as a Probe of Gamow-Teller Strength

NUCLEAR REACTIONS 6Li, 12,13C(n, p), E=198 MeV; measured σ(θ), σ(θp).

doi: 10.1016/0370-2693(88)90073-1
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1988LE10      Phys.Lett. 205B, 219 (1988)

L.Lee, T.E.Drake, S.S.M.Wong, D.Frekers, R.E.Azuma, L.Buchmann, A.Galindo-Uribarri, J.D.King, R.Schubank, R.Abegg, R.Helmer, K.P.Jackson, C.A.Miller, S.Yen, H.V.von Geramb

Intermediate Energy Proton Scattering from 40Ca, 90Zr and 208Pb

NUCLEAR REACTIONS 40Ca, 90Zr, 208Pb(polarized p, p), E=200, 362, 400 MeV; measured σ(θ), analyzing power vs θ, spin rotation parameter vs θ.

doi: 10.1016/0370-2693(88)91653-X
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1987FR05      Phys.Rev. C35, 2236 (1987)

D.Frekers, S.S.M.Wong, R.E.Azuma, T.E.Drake, J.D.King, R.Abegg, K.P.Jackson, C.A.Miller, S.Yen, W.P.Alford, R.L.Helmer, C.Broude, S.Mattsson, E.Rost

Elastic and Inelastic Scattering of 362 MeV polarized Protons from 40Ca

NUCLEAR REACTIONS 40Ca(polarized p, p), (polarized p, p'), E=362 MeV; measured σ(θ), analyzing power. Magnetic spectrometer. Model calculations.

doi: 10.1103/PhysRevC.35.2236
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1987KO33      Nucl.Phys. A472, 408 (1987)

V.T.Koslowsky, R.E.Azuma, H.C.Evans, E.Hagberg, J.C.Hardy, J.R.Leslie, H.Schmeing, C.Virtue

The Precise Determination of some γ-Ray Transition Energies in 26Al, 27Al and 55Co

NUCLEAR REACTIONS 25Mg(p, γ), E=1195 keV; 26Mg(p, γ), E=2141, 2220 keV; 54Fe(p, γ), E=1803, 1887 keV; measured Eγ. 26,27Al, 55Co deduced γ-ray transition energies. Enriched targets, Ge(Li) detector.

doi: 10.1016/0375-9474(87)90040-6
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1987KO34      Nucl.Phys. A472, 419 (1987)

V.T.Koslowsky, J.C.Hardy, E.Hagberg, R.E.Azuma, G.C.Ball, E.T.H.Clifford, W.G.Davies, H.Schmeing, U.J.Schrewe, K.S.Sharma

The Precise Determination of Q(EC)-Value Differences between Four Pairs of Superallowed β-Emitters: 14O and 26mAl, 26mAl and 42Sc, 42Sc and 54Co, 50Mn and 54Co

NUCLEAR REACTIONS 14N, 26Mg(3He, t), E=25 MeV; 50Cr, 54Fe(3He, t), E=29 MeV; 26Mg, 42Ca(3He, t), E=18.86 MeV; 42Ca, 54Fe(3He, t), E=18.89 MeV; measured triton energy differences; deduced Q-value differences. 14O, 26mAl, 42Sc, 54Co, 50Mn deduced Q(EC) differences. Q3D spectrometer, enriched composite targets, high voltage target assembly.

doi: 10.1016/0375-9474(87)90041-8
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1987MA31      Nucl.Phys. A470, 206 (1987)

P.V.Magnus, M.S.Smith, P.D.Parker, R.E.Azuma, C.Campbell, J.D.King, J.Vise

Measurement of the 15N(α, γ)19F Resonances at E(cm)=536 keV and 542 keV

NUCLEAR REACTIONS 15N(α, γ), E(cm)=536, 542 keV; measured Eγ, Iγ. 19F resonances deduced γ transition strength.

doi: 10.1016/0375-9474(87)90128-X
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1987SC10      Nucl.Phys. A467, 240 (1987)

U.Schroder, H.W.Becker, G.Bogaert, J.Gorres, C.Rolfs, H.P.Trautvetter, R.E.Azuma, C.Campbell, J.D.King, J.Vise

Stellar Reaction Rate of 14N(p, γ)15O and Hydrogen Burning in Massive Stars

NUCLEAR REACTIONS, ICPND 14N(p, γ), E=0.2-3.6 MeV; measured σ(E, E(γ), θ(γ)); deduced astrophysical S-factor, capture σ . 15O deduced levels, J, π, Γ, spectroscopic factors. Windowless gas, implanted 14N targets. Ge(Li) detectors.

doi: 10.1016/0375-9474(87)90528-8
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1987SC18      Phys.Lett. 192B, 55 (1987)

U.Schroder, A.Redder, C.Rolfs, R.E.Azuma, L.Buchmann, C.Campbell, J.D.King, T.R.Donoghue

Astrophysical S Factor of 3H(α, γ)7Li

NUCLEAR REACTIONS, ICPND 3H(α, γ), E(cm)=79-464 keV; measured Eγ, Iγ, branching ratio, σ(E), γ yield; deduced astrophysical S-factor vs E. Ge(Li) detectors.

doi: 10.1016/0370-2693(87)91141-5
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1986AL18      Phys.Lett. 179B, 20 (1986)

W.P.Alford, R.L.Helmer, R.Abegg, A.Celler, O.Hausser, K.Hicks, K.P.Jackson, C.A.Miller, S.Yen, R.E.Azuma, D.Frekers, R.S.Henderson, H.Baer, C.D.Zafiratos

Ratio of the Isovector Effective Interaction Strengths (J(στ)/J(τ))2 between 200 and 450 MeV from the 14C(p, n)14N Reaction

NUCLEAR REACTIONS 14C(p, n), E=200, 300, 400, 450 MeV; measured σ(θ); deduced ratios of distortion factors, isovector effective interaction strengths. 14N levels deduced Gamow-Teller, Fermi transition σ ratio. DWIA.

doi: 10.1016/0370-2693(86)90428-4
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1986MI06      Phys.Lett. 169B, 166 (1986)

C.A.Miller, A.Scott, R.Abegg, R.Helmer, K.P.Jackson, M.Whiten, S.Yen, L.Lee, T.E.Drake, D.Frekers, S.S.M.Wong, R.E.Azuma, L.Buchmann, A.Galindo-Uribarri, J.D.King, R.Schubank, R.Dymarz, H.V.von Geramb, C.J.Horowitz

Large Angle Elastic Scattering of 200 MeV Protons from 208Pb

NUCLEAR REACTIONS 208Pb(polarized p, p), (polarized p, p'), E=200 MeV; measured σ(θ), analyzing power vs θ; deduced exchange medium effects role. Microscopic Schrodinger, relativistic impulse approximation analyses.

doi: 10.1016/0370-2693(86)90643-X
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1985ZH07      Nucl.Phys. A439, 619 (1985)

X.Zhu, R.E.Azuma, T.E.Drake, J.D.King, S.S.M.Wong

Wolfenstein Parameters in the Helicity Representation for Intermediate-Energy Proton-Nucleus Scattering

NUCLEAR REACTIONS 12C(polarized p, p), E=200 MeV; measured polarization, analyzing power, Wolfenstein parameters vs θ. Distorted wave approximation, momentum helicity representation.

doi: 10.1016/0375-9474(85)90330-6
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1984WO12      Phys.Lett. 149B, 299 (1984)

S.S.M.Wong, R.E.Azuma, T.E.Drake, J.D.King, X.Zhu

Wolfenstein Parameters for 0+ → 0- Transitions Excited by Proton Scattering at Intermediate Energies

NUCLEAR REACTIONS 16O(polarized p, p'), E=135 MeV; calculated σ(θ), analyzing power vs θ. 16O(polarized p, p'), E=200 MeV; calculated Wolfenstein parameters; deduced exchange term role. DWIA analysis.

doi: 10.1016/0370-2693(84)90410-6
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1983CL01      Phys.Rev.Lett. 50, 23 (1983)

E.T.H.Clifford, J.C.Hardy, H.Schmeing, R.E.Azuma, H.C.Evans, T.Faestermann, E.Hagberg, K.P.Jackson, V.T.Koslowsky, U.J.Schrewe, K.S.Sharma, I.S.Towner

Kinematic Shifts in the β-Delayed Particle Decay of 20Na, and the β-ν Angular Correlation

RADIOACTIVITY 20Na(β+), (EC) [from 12C(10B, 2n), E=50 MeV]; measured βν(θ), βνα-coin; deduced β-delayed α-particle kinematic shifts, triple correlation coefficient; deduced superallowed β-decay vector weak coupling constant.

doi: 10.1103/PhysRevLett.50.23
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1983KO22      Nucl.Phys. A405, 29 (1983)

V.T.Koslowsky, E.Hagberg, J.C.Hardy, R.E.Azuma, E.T.H.Clifford, H.C.Evans, H.Schmeing, U.J.Schrewe, K.S.Sharma

The Half-Lives of 26mAl, 34Cl, 38mK: Precision measurements with isotope-separated samples

RADIOACTIVITY 26mAl(β+) [from 12C(16O, pn)]; 34Cl(β+) [from 12C(28Si, 3p3n)]; 38mK(β+) [from 12C(28Si, pn)]; measured T1/2. 4π gas proportional counter, mass separated sources.

doi: 10.1016/0375-9474(83)90321-4
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1983LE25      Nucl.Phys. A410, 93 (1983)

R.Leavitt, H.C.Evans, G.T.Ewan, H.-B.Mak, R.E.Azuma, C.Rolfs, K.P.Jackson

Isospin Mixing in 2- Levels in 16O

NUCLEAR REACTIONS 15N(p, α), (p, p), E=0.43, 0.9 MeV; measured σ(E, Eα, θ), σ(E, Ep, θ). 16O resonances deduced Γα, Γp. Differentially pumped enriched 13N gas target.

doi: 10.1016/0375-9474(83)90403-7
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1983SC17      Nucl.Phys. A398, 279 (1983)

P.Schmalbrock, H.W.Becker, L.Buchmann, J.Gorres, K.U.Kettner, W.E.Kieser, H.Krawinkel, C.Rolfs, H.P.Trautvetter, J.W.Hammer, R.E.Azuma

Stellar Reaction Rate of 20Ne(α, γ)24Mg

NUCLEAR REACTIONS, ICPND 20Ne(α, γ), E=0.55-3.2 MeV; measured Eγ, Iγ(E, θ); deduced astrophysical reaction rate, S-factor of capture σ. 24Mg deduced levels, absolute γ-transition strengths, Γ, J, π, T, δ, γ-branching ratios. Windowless gas targets of the extended and jet type, enriched 20Ne gas, Ge(Li) detectors.

doi: 10.1016/0375-9474(83)90488-8
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1983WI09      Phys.Rev. C28, 1431 (1983)

M.Wiescher, R.N.Boyd, S.L.Blatt, L.J.Rybarcyk, J.A.Spizuoco, R.E.Azuma, E.T.H.Clifford, J.D.King, J.Gorres, C.Rolfs, A.Vlieks

11C Level Structure via the 10B(p, γ) Reaction

NUCLEAR REACTIONS, ICPND 10B(p, γ), E=0.07-2.2 MeV; measured Eγ, Iγ, γ yield, capture σ vs E, γ(θ); deduced direct capture contributions. 11C deduced resonances, J, π, Γ, γ-branching ratios, Γγ/Γ.

doi: 10.1103/PhysRevC.28.1431
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1982KO28      Phys.Lett. 119B, 57 (1982)

V.T.Koslowsky, J.C.Hardy, R.E.Azuma, G.C.Ball, E.T.H.Clifford, W.G.Davies, E.Hagberg, H.Schmeing, U.J.Schrewe, K.S.Sharma

Fermi Beta-Decay: Precision Q-value doublet measurements by a new technique

NUCLEAR REACTIONS 14N, 26Mg(3He, t), E not given; measured σ(Et, θ=0°), Q-value difference. 26mAl, 14O deduced superallowed β-decay Q(EC) difference, ft. Doublet technique.

doi: 10.1016/0370-2693(82)90242-8
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1982KR05      Z.Phys. A304, 307 (1982)

H.Krawinkel, H.W.Becker, L.Buchmann, J.Gorres, K.U.Kettner, W.E.Kieser, R.Santo, P.Schmalbrock, H.P.Trautvetter, A.Vlieks, C.Rolfs, J.W.Hammer, R.E.Azuma, W.S.Rodney

The 3He(α, γ)7Be Reaction and the Solar Neutrino Problem

NUCLEAR REACTIONS 3He(α, γ), E(cm)=107-1266 keV; measured σ(E, Eγ, θγ), σ(absolute). 3He(α, α), E=0.2-3 MeV; measured yield vs E; deduced astrophysical S-factor vs E. Ge(Li) detectors, extended, quasipoint jet gas targets.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA1205.


1980AZ01      Phys.Lett. B96, 31 (1980)

R.E.Azuma, T.Bjornstad, H.A.Gustafsson, P.G.Hansen, B.Jonson, S.Mattsson, G.Nyman, A.M.Poskanzer, H.L.Ravn, and the ISOLDE Collaboration

Beta-Delayed Three-Neutron Radioactivity of 11Li

RADIOACTIVITY 11Li [from U(p, X), E=600 MeV]; measured β-delayed, one-, two-, three-neutron emission intensity In, relative two-, three-neutron branching ratios.

doi: 10.1016/0370-2693(80)90205-1
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1980MA26      Nucl.Phys. A343, 79 (1980)

H.-B.Mak, G.T.Ewan, H.C.Evans, J.D.MacArthur, W.McLatchie, R.E.Azuma

The Alpha Widths of the 5603, 5605 and 5668 keV States in 18F

NUCLEAR REACTIONS 14N(α, α), E=1.5, 1.6 MeV; measured σ(θ, Eα). 18F resonances deduced Γα. R-matrix formalism. Differentially pumped natural nitrogen gas target.

doi: 10.1016/0375-9474(80)90641-7
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1980WI17      Nucl.Phys. A349, 165 (1980)

M.Wiescher, H.W.Becker, J.Gorres, K.-U.Kettner, H.P.Trautvetter, W.E.Kieser, C.Rolfs, R.E.Azuma, K.P.Jackson, J.W.Hammer

Nuclear and Astrophysical Aspects of 18O(p, γ)19F

NUCLEAR REACTIONS 18O(p, γ), E=80-2200 keV; measured Ep, Eγ, Iγ(E, θ). 19F deduced levels, absolute γ-transition strength, Γ, J, π, δ, γ-branching ratios, S, astrophysical reaction rate. Enriched target, Ge(Li) detectors.

doi: 10.1016/0375-9474(80)90451-0
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1979AZ01      Phys.Lett. 86B, 5 (1979)

R.E.Azuma, G.L.Borchert, L.C.Carraz, P.G.Hansen, B.Jonson, S.Mattsson, O.B.Nielsen, G.Nyman, I.Ragnarsson, H.L.Ravn

The Strongly Deformed Nucleus 100Sr

RADIOACTIVITY 100Rb [from U(p, F), E=600 MeV]; measured Eγ, Iγ, βγ-coin. 100Sr levels deduced energy ratio, T1/2, deformation parameter. Nilsson-Strutinsky model interpretation.

doi: 10.1016/0370-2693(79)90607-5
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1979AZ03      Phys.Rev.Lett. 43, 1652 (1979)

R.E.Azuma, L.C.Carraz, P.G.Hansen, B.Jonson, K.-L.Kratz, S.Mattsson, G.Nyman, H.Ohm, H.L.Ravn, A.Schroder, W.Ziegert

First Observation of Beta-Delayed Two-Neutron Radioactivity: 11Li

RADIOACTIVITY 11Li [from U(p, X), E=600 MeV]; measured β-delayed En, nn-coin. 11Be levels deduced 1n, 2n decay probabilities.

doi: 10.1103/PhysRevLett.43.1652
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1979JA10      Can.J.Phys. 57, 411 (1979)

K.P.Jackson, R.E.Azuma, I.Berka, T.Faestermann, J.S.Geiger, J.C.Hardy, H.Schmeing

The Weak Neutral Current: Search for a 0- Isomer in 42Sc and 46V

NUCLEAR REACTIONS 42Ca, 46Ti(p, n), E=7.3-10 MeV; measured Eβ, Eγ, production σ(E) for 46V. 42mSc, 46mV deduced no 0- isomeric state.

doi: 10.1139/p79-056
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1979KI12      Nucl.Phys. A327, 172 (1979)

W.E.Kieser, R.E.Azuma, I.Berka, K.P.Jackson, A.B.McDonald, H.B.Mak, W.McLatchie

The Jπ = 3- Doublet at E = 6241 keV in 18F: Isospin Mixing

NUCLEAR REACTIONS 4He(14N, α), E=8.19-8.32 MeV; measured Iα(E, θ). 14N(α, γ), E=2.35, 2.53 MeV; measured Eγ, Iγ(θ), absolute strength of γ-transition. 17O(p, γ), E=0.67 MeV; measured Eγ, Iγ(θ), absolute strength of γ-transition. 17O(p, α), E=0.67 MeV; measured Iα, absolute strength of γ-transition. 18F levels deduced J, π, Eα, T, Γp, Γα, Γγ. Natural, enriched targets.

doi: 10.1016/0375-9474(79)90323-3
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1979KI13      Nucl.Phys. A331, 155 (1979)

W.E.Kieser, R.E.Azuma, K.P.Jackson

The 17O(p, α)14N Reaction: Physics and Astrophysics

NUCLEAR REACTIONS 17O(p, α), E=0.4-1.4 MeV; measured Iα, absolute γ-transition strength. 18F resonances deduced E, Γp, Γα.

doi: 10.1016/0375-9474(79)90307-5
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1977BE46      Nucl.Phys. A288, 317 (1977)

I.Berka, K.P.Jackson, C.Rolfs, A.M.Charlesworth, R.E.Azuma

Isospin Mixing of the 5605 and 5668 keV States in 18F in the Light of a New State at 5603 keV

NUCLEAR REACTIONS 14N(α, γ), E=1.51-1.62 MeV; measured Eγ, Iγ(θ). 17O(p, γ), E=0.56 MeV; measured Eγ, Iγ. 18F levels deduced J, π, δ, T, Γ. Natural, enriched targets.

doi: 10.1016/0375-9474(77)90138-5
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1974RO29      Nucl.Phys. A227, 291 (1974)

C.Rolfs, R.E.Azuma

Interference Effects in 12C(p, γ)13N and Direct Capture to Unbound States

NUCLEAR REACTIONS 12C(p, γ), E=150-3000 keV; measured σ(E), Eγ, Iγ, Iγ(θ). 13N levels deduced L-values, S. Natural target.

doi: 10.1016/0375-9474(74)90798-2
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1973RO03      Nucl.Phys. A199, 257 (1973)

C.Rolfs, A.M.Charlesworth, R.E.Azuma

Nuclear Structure of 18F (I). Radiative Capture Experiments

NUCLEAR REACTIONS 14N(α, γ), E=1.0-3.2 MeV; measured σ(E), Eγ, Iγ, Iγ(θ). 17O(p, γ), E=0.15-1.4 MeV; measured σ(E), Eγ, Iγ, Iγ(θ). 16O(3He, pγ), E=1.2-8.0 MeV; measured σ(E;Ep, Eγ, θ(pγ)), DSA. 18F deduced levels, resonances, γ-branching, strength function omegaγ, level-width, J, π, T. Natural, enriched targets.

doi: 10.1016/0375-9474(73)90549-6
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1973RO04      Nucl.Phys. A199, 274 (1973)

C.Rolfs, W.E.Kieser, R.E.Azuma, A.E.Litherland

Nuclear Structure of 18F (II). Low-Spin (2s, 1d)2 States

NUCLEAR REACTIONS 17O(p, γ), E=561 keV; measured Eγ, Iγ(θ), γγ(θ), γ-linear polarization, Iγ, attenuated Doppler shift. 18F excited states deduced J, T, π, γ-mixing, T1/2. Enriched target.

doi: 10.1016/0375-9474(73)90550-2
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1973RO05      Nucl.Phys. A199, 289 (1973)

C.Rolfs, H.P.Trautvetter, R.E.Azuma, A.E.Litherland

Nuclear Structure of 18F (III). The Kπ = 1+ Rotational Band

NUCLEAR REACTIONS 14N(α, γ), E=1135, 2767 keV; measured Eγ, Iγ(θ), Iγ, strength function omegaγ, attenuated Doppler shift. 17O(p, γ), E=1015 keV; measured strength function omegaγ. 16O(3He, pγ), E=1.2-6.5 MeV; measured Eγ, Iγ, Iγ(θ), pγ(θ), γ-width/level-width, attenuated Doppler shift. 18F excited states deduced J, π, T, γ-mixing, T1/2. Natural, enriched targets.

doi: 10.1016/0375-9474(73)90551-4
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1973RO06      Nucl.Phys. A199, 306 (1973)

C.Rolfs, I.Berka, R.E.Azuma

Nuclear Structure of 18F (IV). Negative-Parity States

NUCLEAR REACTIONS 14N(α, γ), E=1.4 to 2.9 MeV; measured Eγ, Iγ(θ), Iγ, strength function omegaγ, attenuated Doppler shift. 17O(p, γ), E=0.5 to 1.3 MeV; measured Eγ, Iγ(θ), Iγ, strength function omegaγ, level-width, attenuated Doppler shift. 16O(3He, pγ), E=6.5, 7.4 MeV; measured Eγ, Iγ, pγ(θ). 18F excited states deduced J, π, γ-mixing, T1/2, T. Natural, enriched targets.

doi: 10.1016/0375-9474(73)90552-6
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1973RO07      Nucl.Phys. A199, 328 (1973)

C.Rolfs, I.Berka, H.P.Trautvetter, R.E.Azuma

Nuclear Structure of 18F (V). A Further Study and Summary of Low-Lying (2s, 1d)2 States

NUCLEAR REACTIONS 14N(α, γ), E=2.4 to 3.2 MeV; measured Eγ, Iγ(θ), Iγ, strength function omegaγ. 17O(p, γ), E=0.5 to 1.3 MeV; measured Eγ, Iγ(θ), Iγ, strength function omegaγ, level-width. 18F excited states deduced J, π, γ-mixing, T, level-width. Natural, enriched targets.

doi: 10.1016/0375-9474(73)90553-8
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1972BE37      Can.J.Phys. 50, 1682 (1972)

I.Berka, C.Rolfs, R.E.Azuma

Excitation Energy of the Fourth Excited State in 18F

NUCLEAR REACTIONS 17O(p, γ), E approx 517 keV; measured γγ-delay, σ(E;Eγ), γγ-coin. 18F deduced level, T1/2.

doi: 10.1139/p72-227
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1971LA06      Can.J.Phys. 49, 685 (1971)

S.T.Lam, A.E.Litherland, R.E.Azuma

Study of the E = 1.724 MeV Resonance in the 27Al(p, γ)28Si Reaction

NUCLEAR REACTIONS 27Al(p, γ), E=1.724 MeV; measured σ(Eγ, θ(γ)), γ-linear polarization. 28Si deduced resonances, levels, J, π, γ-branching.

doi: 10.1139/p71-086
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1971RO25      Phys.Rev.Lett. 27, 1007 (1971)

C.Rolfs, H.P.Trautvetter, R.E.Azuma, A.E.Litherland

Kπ = 1+ Rotational Band in 18F

NUCLEAR REACTIONS 14N(α, γ), E=1135, 2766 keV; measured σ(Eγ, θ(γ)), Doppler shift attenuation. 18F levels deduced J, T1/2, quadrupole moment, E2 strengths, level-width.

doi: 10.1103/PhysRevLett.27.1007
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1970AI01      Can.J.Phys. 48, 1617 (1970)

J.H.Aitken, R.E.Azuma, A.E.Litherland, A.M.Charlesworth, D.W.O.Rogers, J.J.Simpson

A Survey of New Resonances in the 15N(α, γ)19F Reaction

NUCLEAR REACTIONS 15N(α, γ), E=0.6-3.15 MeV; measured σ(E;Eγ, θ(γ)). 19F deduced resonances, level-width, branching ratios. 19F deduced levels, J, π.

doi: 10.1139/p70-203
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1969AI01      Phys.Letters 28B, 653 (1969)

J.H.Aitken, K.W.Allen, R.E.Azuma, A.E.Litherland, D.W.O.Rogers

Discovery of 11/2+ Level in 19F

NUCLEAR REACTIONS 15N(α, γ), E=2.5-3.2 MeV; measured σ(E;Eγ, θ). 19F deduced resonances, levels, J, level-width, γ-mixing. Ge(Li) detector.

doi: 10.1016/0370-2693(69)90212-3
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1969AN23      Can.J.Phys. 47, 1725 (1969)

N.Anyas-Weiss, A.M.Charlesworth, L.E.Carlson, K.P.Jackson, R.E.Azuma

Properties of the 9.699 MeV Level in 28Si

NUCLEAR REACTIONS 27Al(p, γ), E = 1.724 MeV; measured σ(Eγ), Doppler shift attenuation. 28Si level deduced T1/2, γ-branching. Ge(Li) detector.

doi: 10.1139/p69-217
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1969DA12      Phys.Rev. 182, 1168 (1969)

N.E.Davison, J.T.Sample, W.J.McDonald, W.J.Wiesehahn, R.E.Azuma, J.D.Prentice

Levels in 35Cl Populated by 34S(d, n)35Cl

NUCLEAR REACTIONS 34S(d, n), E=4.95 MeV; measured σ(En, θ). 35Cl levels deduced J, π, L(p).

doi: 10.1103/PhysRev.182.1168
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1968AZ02      Nucl.Phys. A109, 577(1968)

R.E.Azuma, N.Anyas-Weiss, A.M.Charlesworth

Lifetime of the 3.163 MeV Level of 35Cl

NUCLEAR REACTIONS 34S(p, γ), E=1.214, 1.513 MeV; measured Doppler-shift attenuation, γγ-delay. 35Cl level deduced T1/2. Enriched target.

doi: 10.1016/0375-9474(68)90028-6
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1967CA10      Phys.Letters 24B, 462 (1967)

L.E.Carlson, R.E.Azuma

Attenuated Doppler Shift Lifetime Measurements in Proton Capture Reactions

NUCLEAR STRUCTURE 28Si; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0370-2693(67)90272-9
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1967TA08      Phys.Rev. 164, 1386 (1967)

P.Taras, L.W.Oleksiuk, R.E.Azuma, J.D.Prentice

Properties of Some Levels of Cl35

NUCLEAR STRUCTURE 35Cl; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.164.1386
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1966AZ01      Phys.Rev.Letters 17, 659 (1966)

R.E.Azuma, L.W.Oleksiuk, J.D.Prentice, P.Taras

Properties of the 3.16-MeV Level of Cl35

NUCLEAR STRUCTURE 35Cl; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.17.659
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1966AZ03      Can.J.Phys. 44, 3075 (1966)

R.E.Azuma, L.E.Carlson, A.M.Charlesworth, K.P.Jackson, N.Anyas-Weiss, B.Lalovic

A Ge(Li) Counter Investigation of the Gamma-Ray Decay of 28Si Produced in the Reaction 27Al(p, γ)28Si

NUCLEAR STRUCTURE 28Si; measured not abstracted; deduced nuclear properties.

doi: 10.1139/p66-253
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1957AZ74      Phil.Mag. 2, 1325 (1957)

R.E.Azuma, G.M.Lewis

Delayed γ-Ray Angular Correlations in Tantalum 181

doi: 10.1080/14786435708243209
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1955AZ33      Phil.Mag. 46, 1034 (1955)

R.E.Azuma, G.M.Lewis

The Lifetime of the First Excited State of Thallium 203

doi: 10.1080/14786440908520627
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1955AZ35      Phil.Mag. 46, 1031 (1955)

R.E.Azuma

Upper Limits for the Lifetimes of the Excited States of Titanium 46

doi: 10.1080/14786440908520626
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Note: The following list of authors and aliases matches the search parameter R.Azuma: , R.E.AZUMA