NSR Query Results

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NSR database version of April 27, 2024.

Search: Author = J.R.Newton

Found 8 matches.

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2013CE04      Phys.Rev. C 88, 065806 (2013)

J.M.Cesaratto, A.E.Champagne, M.Q.Buckner, T.B.Clegg, S.Daigle, C.Howard, C.Iliadis, R.Longland, J.R.Newton, B.M.Oginni

Measurement of the E^r_c.m.=138 keV resonance in the ²³Na(p, γ)²⁴Mg reaction and the abundance of sodium in AGB stars

NUCLEAR REACTIONS ²³Na(p, γ)²⁴Mg, E<500 keV; measured Eγ, Iγ, on resonance γγ-coin spectra using ECRIS ion source at LENA-TUNL accelerator facility; deduced upper limit on the strength of the 138-keV proton resonance, probability density of the final ²³Na abundance, (p, α)/(p, γ) reaction rate ratio, correlations between the final abundance of ²³Na in AGB stars and the rate-variation factor. ²³Na(p, α)²⁰Ne, E at T₉=0.010-10.0; deduced reaction rates for 138-keV resonance. Performed one-zone post-processing nucleosynthesis calculations.

doi: 10.1103/PhysRevC.88.065806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2076.

2010LO05      Phys.Rev. C 81, 055804 (2010)

R.Longland, C.Iliadis, J.M.Cesaratto, A.E.Champagne, S.Daigle, J.R.Newton, R.Fitzgerald

Resonance strength in ²²Ne(p, γ)²³Na from depth profiling in aluminum

NUCLEAR REACTIONS ²²Ne, ²⁷Al(p, γ), E=400-505 keV; measured Eγ, Iγ, yields and resonance strengths. Comparison with previous data. Relevance to of resonance strengths in the ²²Ne(p, γ)²³Na hydrogen-burning reaction and in the ²²Ne(α, γ) s-process neutron-source reactions.

doi: 10.1103/PhysRevC.81.055804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1804. Data from this article have been entered in the XUNDL database. For more information, click here.

2010LO11      Nucl.Phys. A841, 1 (2010)

R.Longland, C.Iliadis, A.E.Champagne, J.R.Newton, C.Ugalde, A.Coc, R.Fitzgerald

Charged-particle thermonuclear reaction rates: I. Monte Carlo method and statistical distributions

doi: 10.1016/j.nuclphysa.2010.04.008
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2010NE03      Phys.Rev. C 81, 045801 (2010)

J.R.Newton, C.Iliadis, A.E.Champagne, J.M.Cesaratto, S.Daigle, R.Longland

Measurement of ¹⁷O(p, γ)¹⁸F between the narrow resonances at E_r^lab=193 and 519 keV

NUCLEAR REACTIONS ¹⁷O(p, γ)¹⁸O, E=151, 275, 300, 325, 400, 450, 500, 519 keV; measured Eγ, Iγ; deduced levels, total yields, σ, and total S factors. Compared with previous work.

doi: 10.1103/PhysRevC.81.045801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1796. Data from this article have been entered in the XUNDL database. For more information, click here.

2008NE10      Phys.Rev. C 78, 025805 (2008)

J.R.Newton, R.Longland, C.Iliadis

Matching of experimental and statistical-model thermonuclear reaction rates at high temperatures

NUCLEAR REACTIONS ²⁰Ne, ²⁴Mg(α, γ), E=0-2000 keV; ^21,22Ne, ²³Na, ^24,25,26Mg, ²⁷Al, ^28,29,30Si, ³¹P, ³²S, ³⁵Cl, ³⁶Ar, ⁴⁰Ca(p, γ), E=thermal; ²³Na, ²⁷Al, ³¹P, ³⁵Cl(p, α), E=thermal; calculated stellar reaction rates.

doi: 10.1103/PhysRevC.78.025805
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2007NE07      Phys.Rev. C 75, 045801 (2007)

J.R.Newton, C.Iliadis, A.E.Champagne, A.Coc, Y.Parpottas, C.Ugalde

Gamow peak in thermonuclear reactions at high temperatures

NUCLEAR REACTIONS ²⁷Al(p, γ), ²⁴Mg(α, γ), E not given; calculated reaction rates, resonance contributions. ^21,22Ne, ²³Na, ^25,26Mg, ²⁷Al, ^29,30Si, ³¹P, ³⁵Cl(p, γ), E ≈ 0-2.5 MeV; calculated Gamow peak vs effective thermonuclear energy range.

doi: 10.1103/PhysRevC.75.045801
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2007NE08      Phys.Rev. C 75, 055808 (2007)

J.R.Newton, C.Iliadis, A.E.Champagne, R.Longland, C.Ugalde

Remeasurement of the 193 keV resonance in ¹⁷O(p, α)¹⁴N

NUCLEAR REACTIONS ¹⁷O(p, α), E=140-210 keV; measured yields and resonance strength for the 193 keV resonance.

doi: 10.1103/PhysRevC.75.055808
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2007UG01      Phys.Rev. C 76, 025802 (2007)

C.Ugalde, A.E.Champagne, S.Daigle, C.Iliadis, R.Longland, J.R.Newton, E.Osenbaugh-Stewart, J.A.Clark, C.Deibel, A.Parikh, P.D.Parker, C.Wrede

Experimental evidence for a natural parity state in ²⁶Mg and its impact on the production of neutrons for the s process

NUCLEAR REACTIONS ²²Ne(⁶Li, d), E=30 MeV; measured deuteron energy spectra. ²⁶Mg deduced level energies.

doi: 10.1103/PhysRevC.76.025802
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Data from this article have been entered in the XUNDL database. For more information, click here.