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NSR database version of April 11, 2024.

Search: Author = E.Uberseder

Found 36 matches.

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2020JA02      Phys.Lett. B 802, 135267 (2020)

H.Jayatissa, G.V.Rogachev, V.Z.Goldberg, E.Koshchiy, G.Christian, J.Hooker, S.Ota, B.T.Roeder, A.Saastamoinen, O.Trippella, S.Upadhyayula, E.Uberseder

Constraining the 22Ne(α, γ))26Mg and 22Ne(α, n)25Mg reaction rates using sub-Coulomb α-transfer reactions

NUCLEAR REACTIONS 6Li(22Ne, d), E(cm)=4.6 MeV; 6Li(22Ne, t), E(cm)=5.3 MeV; measured reaction products; deduced excitation energies, σ, resonance parameters, astrophysical rates.

doi: 10.1016/j.physletb.2020.135267
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2517.


2020UP01      Phys.Rev. C 101, 034604 (2020)

S.Upadhyayula, G.V.Rogachev, J.Bishop, V.Z.Goldberg, J.Hooker, C.Hunt, H.Jayatissa, E.Koshchiy, E.Uberseder, A.Volya, B.T.Roeder, A.Saastamoinen

Search for the high-spin members of the α:2n:α band in 10Be

NUCLEAR REACTIONS 4He(6He, 6He), (6He, 6He'), E(cm)=4-9 MeV [secondary 6He beam from 2H(7Li, 6He), E=60 MeV]; measured reaction products, Eα, Iα, σ(E, θ), using silicon detector for α detection and the MARS spectrometer for secondary beam identification at the cyclotron facility of Texas A and M University. 10Be; deduced resonance parameters and upper limit of Γ(α)/Γ(α') for an yrast 6+ state at 13.5 MeV as the next member of the molecular α:2n:α rotational band in 10Be; no evidence found for a strong resonance at 13.5 MeV in the elastic and inelastic channels. GEANT4 Monte Carlo simulations. Comparison with theoretical predictions, and with previous experimental studies.

doi: 10.1103/PhysRevC.101.034604
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Data from this article have been entered in the XUNDL database. For more information, click here.


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
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2017FA10      Phys.Rev. C 96, 045804 (2017)

X.Fang, W.P.Tan, M.Beard, R.J.deBoer, G.Gilardy, H.Jung, Q.Liu, S.Lyons, D.Robertson, K.Setoodehnia, C.Seymour, E.Stech, B.Vande Kolk, M.Wiescher, R.T.deSouza, S.Hudan, V.Singh, X.D.Tang, E.Uberseder

Experimental measurement of 12C + 16O fusion at stellar energies

NUCLEAR REACTIONS 12C(16O, p), (16O, n), (16O, α), E=8.5-11.7 MeV in steps of 100 or 200 keV; measured Eγ, Iγ, Ep, Ip, pγ-coin, charged particles, partial and total fusion σ(E) at the (ANA) accelerator laboratory (NSL) of University of Notre Dame; deduced S factors, astrophysical reaction rates, uncertainty range of the reaction rate within the temperature range of late stellar burning environments. Results analyzed using Statistical model calculations with SAPPHIRE code. 27Al, 24Mg, 27Si; deduced levels, relative γ strengths of the observed transitions with respect to the strength of the ground state transition of the first excited states.

doi: 10.1103/PhysRevC.96.045804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2812.


2017HO10      Phys.Lett. B 769, 62 (2017)

J.Hooker, G.V.Rogachev, V.Z.Goldberg, E.Koshchiy, B.T.Roeder, H.Jayatissa, C.Hunt, C.Magana, S.Upadhyayula, E.Uberseder, A.Saastamoinen

Structure of 10N in 9C+p resonance scattering

NUCLEAR REACTIONS 1H(9C, X)10N, E=23.4 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ, J, π, resonance parameters.

doi: 10.1016/j.physletb.2017.03.025
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2265. Data from this article have been entered in the XUNDL database. For more information, click here.


2017UB01      Phys.Rev. C 95, 025803 (2017)

E.Uberseder, M.Heil, F.Kappeler, C.Lederer, A.Mengoni, S.Bisterzo, M.Pignatari, M.Wiescher

Stellar (n, γ) cross sections of 23Na

NUCLEAR REACTIONS 23Na(n, γ)24Na, E=quasistellar thermal neutrons with kT=5.1-25 keV; measured neutron spectra, Eγ, Iγ, Maxwellian averaged σ(E) (MACS) by activation method using NaCl target at Karlsruhe Van de Graaff accelerator; σ(E) analyzed by R-matrix method using SAMMY code. Comparison with ENDF/B-VII.1 evaluation. Calculated relative s-abundance distribution at the end of C-shell burning with the MACS of 23Na from the KADONIS database compilation, ratio of s-process yields.

doi: 10.1103/PhysRevC.95.025803
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23337.


2016HE06      Phys.Rev. C 93, 055807 (2016)

M.Heil, R.Plag, E.Uberseder, S.Bisterzo, F.Kappeler, A.Mengoni, M.Pignatari

Stellar neutron capture cross sections of 41K and 45Sc

NUCLEAR REACTIONS 45Sc, 41K(n, γ), kT=25 keV; measured Eγ, Iγ, capture cross section by activation method at Karlsruhe 3.7-MV Van de Graaff accelerator facility; deduced Maxwellian averaged cross sections (MACS) for the s-process nucleosynthesis yields in AGB stars and in massive stars. Comparison with previous experimental values and evaluated libraries JEFF-3.2, JENDL-4.0 and ENDF/B-VII.1. Discussed effect of neutron poisons in s-process scenario.

doi: 10.1103/PhysRevC.93.055807
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23306.


2016LI29      Phys.Rev. C 93, 055806 (2016)

Q.Li, J.Gorres, R.J.deBoer, G.Imbriani, A.Best, A.Kontos, P.J.LeBlanc, E.Uberseder, M.Wiescher

Cross section measurement of 14N(p, γ)15O in the CNO cycle

NUCLEAR REACTIONS 14N(p, γ)15O, E=0.7-3.6 MeV; measured Eγ, Iγ, γ(θ), differential σ(E) for ground-state and 6.79 MeV transitions using the 1MV JN and 4 MV KN Van de Graaff accelerators at the University of Notre Dame. TiN and implanted 14N targets. 15O; deduced levels, resonances, J, π, astrophysical S factors. Multichannel R-matrix analysis. Relevance to CNO cycle in stars.

doi: 10.1103/PhysRevC.93.055806
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016UB01      Phys.Lett. B 754, 323 (2016)

E.Uberseder, G.V.Rogachev, V.Z.Goldberg, E.Koshchiy, B.T.Roeder, M.Alcorta, G.Chubarian, B.Davids, C.Fu, J.Hooker, H.Jayatissa, D.Melconian, R.E.Tribble

Nuclear structure beyond the neutron drip line: The lowest energy states in 9He via their T = 5/2 isobaric analogs in 9Li

NUCLEAR REACTIONS 1H(8He, 8He), (8He, X)9Li, E(cm)<4.5 MeV; measured reaction products. 9He; deduced energy levels, J, π. Comparison with available data.

doi: 10.1016/j.physletb.2016.01.014
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015AV01      Phys.Rev.Lett. 114, 071101 (2015)

M.L.Avila, G.V.Rogachev, E.Koshchiy, L.T.Baby, J.Belarge, K.W.Kemper, A.N.Kuchera, A.M.Mukhamedzhanov, D.Santiago-Gonzalez, E.Uberseder

Constraining the 6.05 MeV 0+ and 6.13 MeV 3- Cascade Transitions in the 12C(α, γ)16O Reaction Using the Asymptotic Normalization Coefficients

NUCLEAR REACTIONS 6Li(12C, d), E=5, 7, 9 MeV; measured reaction products; deduced σ(θ), J, π, asymptotic normalization coefficients. Comparison with available data, DWBA calculations.

doi: 10.1103/PhysRevLett.114.071101
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015DE11      Phys.Rev. C 91, 045804 (2015)

R.J.de Boer, D.W.Bardayan, J.Gorres, P.J.LeBlanc, K.V.Manukyan, M.T.Moran, K.Smith, W.Tan, E.Uberseder, M.Wiescher, P.F.Bertone, A.E.Champagne, M.S.Islam

Low energy scattering cross section ratios of 14N(p, p)14N

NUCLEAR REACTIONS 14N(p, p), E=1-4 MeV; measured E(p), I(p), σ(θ, E) at Notre Dame Van de Graaff accelerator facility. 15O; deduced levels, resonances, l-transfers, J, π, resonance parameters, widths. R-matrix analysis. Discussed relevance of proton scattering data for constraining astrophysically important capture rate analyses.

doi: 10.1103/PhysRevC.91.045804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2160. Data from this article have been entered in the XUNDL database. For more information, click here.


2014BE34      Phys.Rev. C 90, 034619 (2014)

M.Beard, E.Uberseder, R.Crowter, M.Wiescher

Comparison of statistical model calculations for stable isotope neutron capture

NUCLEAR REACTIONS 36S, 37Cl, 38,40Ar, 39,40,41K, 40,42,43,44,46,48Ca, 45Sc, 46,47,48,49,50Ti, 196,198,199,200,201,202,204Hg, 203,205Tl, 204,206,207,208Pb(n, γ), E at kT=30 keV; calculated Maxwellian-averaged neutron capture cross sections (MACS) at 30 keV for 340 stable isotopes with N=20-127, Z=16-82 using statistical Hauser-Feshbach model codes TALYS and NON-SMOKER, and two new HF codes, CIGAR and SAPPHIRE. Comparison with data in KAdoNiS database, and other available experimental data. Note that only 32 isotopes out of a total of 340 isotopes studied are listed here.

doi: 10.1103/PhysRevC.90.034619
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2014DE32      Phys.Rev. C 90, 035804 (2014)

R.J.de Boer, J.Gorres, K.Smith, E.Uberseder, M.Wiescher, A.Kontos, G.Imbriani, A.Di Leva, F.Strieder

Monte Carlo uncertainty of the 3He (α, γ)7Be reaction rate

NUCLEAR REACTIONS 3He(α, γ)7Be, E(cm)=0.09-3.2 MeV; analyzed ten individual experimental measurements to extract the uncertainties on the cross section and corresponding reaction rate through a global R-matrix analysis using AZURE2 computer code; deduced astrophysical S factor and reaction rates. Relevance to neutrino production in our sun through the pp-II and pp-III chains.

doi: 10.1103/PhysRevC.90.035804
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2014HE25      Phys.Rev. C 90, 045804 (2014); Erratum Phys.Rev. C 92, 019902 (2015)

M.Heil, R.Plag, E.Uberseder, R.Gallino, S.Bisterzo, A.Juseviciute, F.Kappeler, C.Lederer, A.Mengoni, M.Pignatari

Stellar neutron capture cross sections of 20, 21, 22Ne

NUCLEAR REACTIONS 20,21,22Ne(n, γ), E=5-800 keV; measured transmission data, σ(E) via prompt γ-ray cascades, and using the TOF technique at the Karlsruhe Van de Graaff accelerator. 21,22,23Ne; deduced energies of neutron resonances, resonance parameters, widths, capture kernels, stellar cross sections (MACS) at kT=30 keV, relative s-abundance distributions. R-matrix analysis using SAMMY code. Comparison with previous experimental results and data in KADONIS database. Discussed 22Ne and 20Ne as significant neutron poisons for the s process in stars.

doi: 10.1103/PhysRevC.90.045804
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23265. Data from this article have been entered in the XUNDL database. For more information, click here.


2014MO35      Nucl.Instrum.Methods Phys.Res. A767, 359 (2014)

D.J.Mountford, R.J.de Boer, P.Descouvemont, A.St.J.Murphy, E.Uberseder, M.Wiescher

Evaluation of the implementation of the R-matrix formalism with reference to the astrophysically important 18F(pα)15O reaction

NUCLEAR REACTIONS 18F(p, α), E(cm)=0.6-1.6 MeV; calculated resonance parameter widths, σ(θ), S-factors. R-matrix formalism, AZURE code.

doi: 10.1016/j.nima.2014.08.047
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2013BE11      Phys.Rev. C 87, 045805 (2013)

A.Best, M.Beard, J.Gorres, M.Couder, R.deBoer, S.Falahat, R.T.Guray, A.Kontos, K.-L.Kratz, P.J.LeBlanc, Q.Li, S.O'Brien, N.Ozkan, M.Pignatari, K.Sonnabend, R.Talwar, W.Tan, E.Uberseder, M.Wiescher

Measurement of the reaction 17O(α, n)20Ne and its impact on the s process in massive stars

NUCLEAR REACTIONS 17O(α, n), E=800-2300 keV; measured Eγ, Iγ, E(n), I(n), yields as function of incident Eα for (α, n0) and (α, n1) channels; deduced R-matrix parameters, S factors, reaction rates. 21Ne; deduced levels, resonances, J, π, width, resonance strengths. R-matrix analyses. 17O(α, n), (α, γ), E at 0.1 to 10 GK; comparison of experimental and theoretical (NACRE, CF88/1000) reaction rates. Hauser-Feshbach theory. Astrophysical implications for the s-process, and elemental abundance.

doi: 10.1103/PhysRevC.87.045805
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2007. Data from this article have been entered in the XUNDL database. For more information, click here.


2013BE12      Phys.Rev. C 87, 045806 (2013)

A.Best, S.Falahat, J.Gorres, M.Couder, R.deBoer, R.T.Guray, A.Kontos, K.-L.Kratz, P.J.LeBlanc, Q.Li, S.O'Brien, N.Ozkan, K.Sonnabend, R.Talwar, E.Uberseder, M.Wiescher

Measurement of the reaction 18O(α, n)21Ne

NUCLEAR REACTIONS 18O(α, n), E=851-2300 keV; measured Eγ, Iγ, E(n), I(n), yields as function of incident Eα for (α, n0) and (α, n1) channels; deduced R-matrix parameters, S factors, reaction rates. 22Ne; deduced levels, resonances, J, π, width, resonance strengths. R-matrix analyses. 18O(α, n), (α, γ), E at 0.1 to 10 GK; comparison of experimental and theoretical (NACRE, CF88) reaction rates. Hauser-Feshbach theory.

doi: 10.1103/PhysRevC.87.045806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2009. Data from this article have been entered in the XUNDL database. For more information, click here.


2013DE03      Phys.Rev. C 87, 015802 (2013)

R.J.de Boer, J.Gorres, G.Imbriani, P.J.LeBlanc, E.Uberseder, M.Wiescher

R-matrix analysis of 16O compound nucleus reactions

NUCLEAR REACTIONS 15N(p, γ)16O, 15N(p, α)12C, 15N(p, p), E<1.8 MeV; 12C(α, p)15N, 12C(α, α), 12C(α, γ)16O, E=6.8-8.3 MeV; analyzed S factors, σ(E, θ), yields for all available reaction channels simultaneously using a multichannel R-matrix code AZURE. 16O; deduced R-matrix description for the broad level structure.

doi: 10.1103/PhysRevC.87.015802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1825.


2013KO18      Phys.Rev. C 87, 065804 (2013)

A.Kontos, E.Uberseder, R.deBoer, J.Gorres, C.Akers, A.Best, M.Couder, M.Wiescher

Astrophysical S factor of 3He (α, γ)7Be

NUCLEAR REACTIONS 3He(α, γ)7Be, E=530-2550 keV; measured Eγ, Iγ, particle spectra, radiative capture σ at NSL facility in Notre Dame; deduced astrophysical S(E) factor, branching ratio, gamma and proton widths, reaction rates at T=0.01 to 10 GK. R-matrix analyses for 3He(α, α)3He and 3He(α, γ)7Be data. Discussed astrophysical implications. Comparison with previous experimental studies.

doi: 10.1103/PhysRevC.87.065804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2032.


2012DE06      Phys.Rev. C 85, 038801 (2012)

R.J.de Boer, P.J.LeBlanc, S.Falahat, G.Imbriani, J.Gorres, S.O'Brien, E.Uberseder, M.Wiescher

Elastic scattering of protons from 15N

NUCLEAR REACTIONS 15N(p, p), (p, α), E=0.6-1.8 MeV; measured particle spectra, σ(E, θ), yields. 16O; deduced resonances, levels, J, π, widths. R-matrix analysis. Comparison with previous studies. Relevance to 15N(p, γ)16O reaction cross sections at stellar energies.

doi: 10.1103/PhysRevC.85.038801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1907. Data from this article have been entered in the XUNDL database. For more information, click here.


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.


2012IM02      Phys.Rev. C 85, 065810 (2012), Erratum Phys.Rev. C 86, 039902 (2012)

G.Imbriani, R.J.de Boer, A.Best, M.Couder, G.Gervino, J.Gorres, P.J.LeBlanc, H.Leiste, A.Lemut, E.Stech, F.Strieder, E.Uberseder, M.Wiescher

Measurement of γ rays from 15N(p, γ)16O cascade and 15N(p, α1γ)12C reactions

NUCLEAR REACTIONS 15N(p, γ)16O, 15N(p, αγ)12C, E=0.14-1.80 MeV; measured Eγ, Iγ, S factors, cross section. 12C, 16O; deduced levels, J, π, widths. R-matrix analysis. Comparison with previous studies.

doi: 10.1103/PhysRevC.85.065810
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1936. Data from this article have been entered in the XUNDL database. For more information, click here.


2012KO41      Phys.Rev. C 86, 055801 (2012); Erratum Phys.Rev. C 88, 029905 (2013)

A.Kontos, J.Gorres, A.Best, M.Couder, R.deBoer, G.Imbriani, Q.Li, D.Robertson, D.Schurmann, E.Stech, E.Uberseder, M.Wiescher

Proton capture on 17O and its astrophysical implications

NUCLEAR REACTIONS 17O(p, γ)18F, E(cm)=345-1700 keV, measured Eγ, Iγ, γ(θ), excitation functions, σ(E). 18F; deduced levels, proton resonances, J, π, γ-branching ratios, resonance strengths, ANC, spectroscopic factors, proton, alpha and gamma widths, astrophysical reaction rates and S factors. R-matrix analysis. Comparison with literature values. Relevance to hydrogen-burning nucleosynthesis.

doi: 10.1103/PhysRevC.86.055801
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1958. Data from this article have been entered in the XUNDL database. For more information, click here.


2012RE05      Phys.Rev. C 85, 035802 (2012)

R.Reifarth, S.Dababneh, M.Heil, F.Kappeler, R.Plag, K.Sonnabend, E.Uberseder

Neutron activation of natural zinc samples at kT=25 keV

NUCLEAR REACTIONS 64,68,70Zn(n, γ)65Zn/69mZn/71Zn/71mZn, [neutrons from 7Li(p, n), E=1912 keV], kT=25 keV; measured Eγ, Iγ, natural Zn target; deduced capture cross sections, Maxwellian averaged cross sections for E(n) at kT=5-100 keV. Relevance to s-process network calculations for convective core He burning and convective shell C burning in massive stars.

RADIOACTIVITY 71mZn(β-)[from Zn(n, γ), kT=25 keV]; measured Eγ, Iγ, precise half-life of isomer. Comparison with previous measurements

doi: 10.1103/PhysRevC.85.035802
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23166. Data from this article have been entered in the XUNDL database. For more information, click here.


2011AD03      Rev.Mod.Phys. 83, 195 (2011)

E.G.Adelberger, A.Garcia, R.G.H.Robertson, K.A.Snover, A.B.Balantekin, K.Heeger, M.J.Ramsey-Musolf, A.B.Balantekin, K.Heeger, M.J.Ramsey-Musolf, D.Bemmerer, A.Junghans, D.Bemmerer, A.Junghans, C.A.Bertulani, K.-W.Chen, H.Costantini, P.Prati, M.Couder, E.Uberseder, M.Wiescher, R.Cyburt, B.Davids, S.J.Freedman, M.Gai, D.Gazit, L.Gialanella, G.Imbriani, U.Greife, M.Hass, W.C.Haxton, T.Itahashi, K.Kubodera, K.Langanke, D.Leitner, M.Leitner, P.Vetter, L.Winslow, L.E.Marcucci, T.Motobayashi, A.Mukhamedzhanov, R.E.Tribble, F.M.Nunes, T.-S.Park, R.Schiavilla, E.C.Simpson, C.Spitaleri, F.Strieder, H.-P.Trautvetter, K.Suemmerer, S.Typel

Solar fusion cross sections. II. The pp chain and CNO cycles

NUCLEAR REACTIONS 2H(p, γ), 3He(3He, 2p), (α, γ), (p, e), 7Be, 12C, 14N, 15N, 17O(p, γ), 15N, 16,17,18O(p, α), E<3 MeV; analyzed and evaluated experimental data; deduced recommended values and uncertainties.

doi: 10.1103/RevModPhys.83.195
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2011BE17      Phys.Rev. C 83, 052802 (2011)

A.Best, J.Gorres, M.Couder, R.deBoer, S.Falahat, A.Kontos, P.J.LeBlanc, Q.Li, S.O'Brien, K.Sonnabend, R.Talwar, E.Uberseder, M.Wiescher

First direct measurement of resonance strengths in 17O(α, γ)21Ne

NUCLEAR REACTIONS 17O(α, γ), E=750-1650 keV; measured Eγ, Iγ. 21Ne; deduced resonances, resonance strengths, levels, J, π, γ-branching ratios. Implications for neutron poisoning efficiency of 16O in the weak s-process. Comparison with previous experimental data, Caughlan-Fowler reaction rates, and calculated rates based on a microscopic three-cluster model of Descouvemont.

doi: 10.1103/PhysRevC.83.052802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1846. Data from this article have been entered in the XUNDL database. For more information, click here.


2011DI11      Phys.Rev. C 84, 015802 (2011)

I.Dillmann, L.Coquard, C.Domingo-Pardo, F.Kappeler, J.Marganiec, E.Uberseder, U.Giesen, A.Heiske, G.Feinberg, D.Hentschel, S.Hilpp, H.Leiste, T.Rauscher, F.-K.Thielemann

Cross sections for proton-induced reactions on Pd isotopes at energies relevant for the γ process

NUCLEAR REACTIONS 102,104Pd(p, γ), 105Pd(p, n), E=2.75-9 MeV; measured Eγ, Iγ, total cross sections. 104Pd(p, n), 105Pd(p, γ)106mAg, 106Pd(p, n)106mAg, 110Pd(p, n)110mAg, E=2.75-9 MeV; measured Eγ, Iγ, partial cross sections; deduced S factors. Activation method. Relevant cross sections measured close to the astrophysical Gamow window of the γ process. Comparison with previous measurements and theoretical predictions from Hauser-Feshbach model "NON-SMOKER".

RADIOACTIVITY 104Ag(EC); measured precise Iγ.

doi: 10.1103/PhysRevC.84.015802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1917.


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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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.


2009UB01      Phys.Rev.Lett. 102, 151101 (2009)

E.Uberseder, R.Reifarth, D.Schumann, I.Dillmann, C.Domingo Pardo, J.Gorres, M.Heil, F.Kappeler, J.Marganiec, J.Neuhausen, M.Pignatari, F.Voss, S.Walter, M.Wiescher

Measurement of the 60Fe(n, γ)61Fe Cross Section at Stellar Temperatures

NUCLEAR REACTIONS 60Fe(n, γ), E=25-100 keV; measured reaction products, Eγ, Iγ; deduced Maxwellian-averaged σ and its uncertainties. Comparison with stellar models and NACRE data.

doi: 10.1103/PhysRevLett.102.151101
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14228.


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
Citations: PlumX Metrics

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


2008HE01      Phys.Rev. C 77, 015808 (2008)

M.Heil, F.Kappeler, E.Uberseder, R.Gallino, M.Pignatari

Neutron capture cross sections for the weak s process in massive stars

NUCLEAR REACTIONS 58Fe, 59Co, 64Ni, 63,65Cu(n, γ), E=25 keV; measured neutron capture cross sections, Eγ; 59Fe, 60Co, 65Ni, 64,66Cu, 198Au; deduced nucleosynthesis yields in stars.

doi: 10.1103/PhysRevC.77.015808
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22996.


2008HE10      Phys.Rev. C 78, 025802 (2008)

M.Heil, F.Kappeler, E.Uberseder, R.Gallino, S.Bisterzo, M.Pignatari

Stellar (n, γ) cross sections for Br and Rb: Matching the weak and main s-process components

NUCLEAR REACTIONS 79,81Br, 85,87Rb(n, γ), E=0-120 keV; measured Eγ, Iγ, σ. 78,80,82Se, 79,81Br, 80,82,83,84,86Kr; 85,87Rb, 86,87,88Sr, 89Y, 90Zr; deduced total s-process abundances.

doi: 10.1103/PhysRevC.78.025802
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23035.


2007HE14      Prog.Part.Nucl.Phys. 59, 174 (2007)

M.Heil, F.Kappeler, E.Uberseder, R.Gallino, M.Pignatari

The s process in massive stars

doi: 10.1016/j.ppnp.2006.12.013
Citations: PlumX Metrics


2007UB01      Phys.Rev. C 75, 035801 (2007)

E.Uberseder, M.Heil, Fr.Kappeler, J.Gorres, M.Wiescher

New measurements of the 19F(n, γ)20F cross section and their implications for the stellar reaction rate

NUCLEAR REACTIONS 19F(n, γ), E=spectrum; measured Eγ, Iγ, Maxwellian averaged σ. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.75.035801
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22968.


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