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NSR database version of April 25, 2024.

Search: Author = A.Kontos

Found 32 matches.

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2017BA42      Phys.Rev. C 96, 055806 (2017)

D.W.Bardayan, K.A.Chipps, S.Ahn, J.C.Blackmon, S.Carmichael, U.Greife, K.L.Jones, J.Jose, A.Kontos, R.L.Kozub, L.Linhardt, B.Manning, M.Matos, P.D.O'Malley, S.Ota, S.D.Pain, W.A.Peters, S.T.Pittman, A.Sachs, K.T.Schmitt, M.S.Smith, P.Thompson

Spectroscopic study of ²⁰Ne+p reactions using the JENSA gas-jet target to constrain the astrophysical ¹⁸F (p, α)¹⁵O rate

NUCLEAR REACTIONS ²⁰Ne(p, d), (p, ³He), E=30 MeV; measured E(d), I(d), ³He spectrum, particle identification spectrum, σ(θ) using SIDAR silicon detector array, and JENSA natural Ne gas target at Holifield Radioactive Ion Beam Facility (HRIBF). DWBA analysis using optical model parameters. ¹⁹Ne, ¹⁸F; deduced levels, and compared with previous experimental results. ¹⁸F(p, α)¹⁵O; deduced coefficients to parametrize the astrophysical reaction rates.

doi: 10.1103/PhysRevC.96.055806
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2282. Data from this article have been entered in the XUNDL database. For more information, click here.

2017CH19      Phys.Rev. C 95, 044319 (2017)

K.A.Chipps, S.D.Pain, U.Greife, R.L.Kozub, C.D.Nesaraja, M.S.Smith, D.W.Bardayan, A.Kontos, L.E.Linhardt, M.Matos, S.T.Pittman, P.Thompson

Particle decay of proton-unbound levels in ¹²N

NUCLEAR REACTIONS ¹⁴N(p, t), E=38 MeV from HRIBF-ORNL facility; measured tritons, and spectra of decay-particles (protons) from excited states in ¹²N, (decay protons)t-coin using ΔE-E telescopes of SIDAR annular strip detectors. ¹²N; deduced levels, J, π, branching ratios for proton decays from excited states.

doi: 10.1103/PhysRevC.95.044319
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Data from this article have been entered in the XUNDL database. For more information, click here.

2017KA25      Phys.Lett. B 769, 549 (2017)

A.Kankainen, P.J.Woods, H.Schatz, T.Poxon-Pearson, D.T.Doherty, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, A.Estrade, A.Gade, J.Jose, A.Kontos, C.Langer, G.Lotay, Z.Meisel, F.Montes, S.Noji, F.Nunes, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers

Measurement of key resonance states for the ³⁰P(p, γ)³¹S reaction rate, and the production of intermediate-mass elements in nova explosions

NUCLEAR REACTIONS ²H(³⁰P, n)³¹S, E=30 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, σ, negative-parity states, spectroscopic factors, resonance parameters, astrophysical reaction rates. The GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), the National Superconducting Cyclotron Laboratory, Michigan State University.

doi: 10.1016/j.physletb.2017.01.084
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2267. Data from this article have been entered in the XUNDL database. For more information, click here.

2017ON01      Phys.Rev. C 95, 055806 (2017)

W.-J.Ong, C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.Cyburt, E.B.Deleeuw, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I.-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Low-lying level structure of ⁵⁶Cu and its implications for the rp process

NUCLEAR REACTIONS ²H(⁵⁶Ni, ⁵⁶Cu), E AP 75 MeV/nucleon, [secondary ⁵⁶Ni beam from ⁹Be(⁵⁸Ni, X), E=160 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU facility]; measured ΔE-TOF particle identification for ions, Eγ, Iγ, γγ-, (⁵⁶Cu ions)γ-coin using GRETINA array and S800 magnetic spectrograph. ⁵⁶Cu; deduced levels, J, π. Comparison with mirror nucleus ⁵⁶Co level scheme, and with shell-model calculations ⁵⁵Ni(p, γ)⁵⁶Cu, T₉=0.1-10; deduced Q value, astrophysical reaction rates as function of temperature, and impact on the r-process around ⁵⁶Ni.

NUCLEAR STRUCTURE ⁵⁶Cu; calculated levels, resonance energies, J, π, spectroscopic factors, Γ_p, Γ_γ using shell model with the GXPF1A interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.055806
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016KA05      Eur.Phys.J. A 52, 6 (2016)

A.Kankainen, P.J.Woods, F.Nunes, C.Langer, H.Schatz, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, D.T.Doherty, A.Estrade, A.Gade, A.Kontos, G.Lotay, Z.Meisel, F.Montes, S.Noji, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers

Angle-integrated measurements of the ²⁶Al (d, n) ²⁷Si reaction cross section: a probe of spectroscopic factors and astrophysical resonance strengths

NUCLEAR REACTIONS ²H(²⁶Al, n), E=30 MeV/nucleon; measured 511 keV γ-ray using GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), Si recoils, (Si)γ-coin; deduced Doppler-reconstructed γ-ray spectrum in coincidence with Si, σ, resonances, spectroscopic factors to discrete states; calculated σ using shell model.

doi: 10.1140/epja/i2016-16006-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2215. Data from this article have been entered in the XUNDL database. For more information, click here.

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

2015BA51      Phys.Lett. B 751, 311 (2015)

D.W.Bardayan, K.A.Chipps, S.Ahn, J.C.Blackmon, R.J.deBoer, U.Greife, K.L.Jones, A.Kontos, R.L.Kozub, L.Linhardt, B.Manning, M.Matos, P.D.O'Malley, S.Ota, S.D.Pain, W.A.Peters, S.T.Pittman, A.Sachs, K.T.Schmitt, M.S.Smith, P.Thompson

The first science result with the JENSA gas-jet target: Confirmation and study of a strong subthreshold ¹⁸F(p, α)¹⁵O resonance

NUCLEAR REACTIONS ²⁰Ne(p, d), E=30 MeV; measured reaction products; deduced deuteron σ(θ), excitation energies, resonance J. Distorted-wave Born approximation (DWBA) calculations using the computer code TWOFNR7.

NUCLEAR REACTIONS ¹⁸F(p, α), E(cm)<1 MeV; calculated astrophysical reaction rate, S-factor with the R-matrix code AZURE2.

doi: 10.1016/j.physletb.2015.10.073
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2202. Data from this article have been entered in the XUNDL database. For more information, click here.

2015BU08      Phys.Rev.Lett. 114, 251102 (2015)

B.Bucher, X.D.Tang, X.Fang, A.Heger, S.Almaraz-Calderon, A.Alongi, A.D.Ayangeakaa, M.Beard, A.Best, J.Browne, C.Cahillane, M.Couder, R.J.deBoer, A.Kontos, L.Lamm, Y.J.Li, A.Long, W.Lu, S.Lyons, M.Notani, D.Patel, N.Paul, M.Pignatari, A.Roberts, D.Robertson, K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher, S.E.Woosley

First Direct Measurement of ¹²C(¹²C, n)²³Mg at Stellar Energies

NUCLEAR REACTIONS ¹²C(¹²C, n), E=7.5, 9.5 MeV; measured reaction products, Eγ, Iγ, En, In; deduced yields, S-factors, astrophysical reaction rate. Comparison with available data.

doi: 10.1103/PhysRevLett.114.251102
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2168.

2015CH50      Phys.Rev. C 92, 034325 (2015)

K.A.Chipps, S.D.Pain, U.Greife, R.L.Kozub, D.W.Bardayan, J.C.Blackmon, A.Kontos, L.E.Linhardt, M.Matos, S.T.Pittman, A.Sachs, H.Schatz, K.T.Schmitt, M.S.Smith, P.Thompson, for the JENSA Collaboration

Levels in ¹²N via the ¹⁴N(p, t) reaction using the JENSA gas-jet target

NUCLEAR REACTIONS ¹⁴N(p, t), E=38 MeV; measured E(t), I(t), σ(θ) using JENSA (Jet Experiments in Nuclear Structure and Astrophysics) gas-target system and SIDAR array at HRIBF-ORNL accelerator facility. ¹²N; deduced levels, L-transfers, J, π. DWBA calculations. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.92.034325
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2191. Data from this article have been entered in the XUNDL database. For more information, click here.

2015NA14      Phys.Rev. C 92, 025804 (2015)

F.Naqvi, S.J.Quinn, A.Spyrou, A.Battaglia, M.Couder, P.A.DeYoung, A.C.Dombos, X.Fang, J.Gorres, A.Kontos, Q.Li, S.Lyons, D.Robertson, A.Simon, K.Smith, M.K.Smith, E.Stech, W.P.Tan, M.Wiescher

Proton capture cross section of ⁷²Ge and astrophysical implications

NUCLEAR REACTIONS ^72,74Ge(p, γ), E=1.8-3.6 MeV; measured Eγ, Iγ, σ(E) using γ-summing detector SuN at Notre Dame Tandem Van de Graff accelerator facility. Natural Ge target. Comparison with calculations using TALYS1.6 code and different combinations of optical model potentials (OMPs), nuclear level densities (NLDs), and γ-ray strength functions, and with data in standard astrophysical libraries BRUSLIB and REACLIB. Relevance to astrophysical p-process.

doi: 10.1103/PhysRevC.92.025804
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2183.

2015QU01      Phys.Rev. C 92, 045805 (2015)

S.J.Quinn, A.Spyrou, A.Simon, A.Battaglia, M.Bowers, B.Bucher, C.Casarella, M.Couder, P.A.DeYoung, A.C.Dombos, J.Gorres, A.Kontos, Q.Li, A.Long, M.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, M.K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher

(α, γ) cross section measurements in the region of light p nuclei

NUCLEAR REACTIONS ⁷⁴Ge, ^90,92Zr(α, γ), E=9.5-12 MeV; measured Eγ, Iγ, σ(E) using the SuN detector and gamma-summing technique at Notre Dame Tandem Van de Graaff accelerator; deduced stellar reaction rates for ⁹⁰Zr(α, γ) reaction. Nucleosynthesis of light p-process nuclei. Comparison with statistical model calculations using TALYS and NON-SMOKER codes.

doi: 10.1103/PhysRevC.92.045805
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2196.

2015SI13      Phys.Rev. C 92, 025806 (2015)

A.Simon, M.Beard, A.Spyrou, S.J.Quinn, B.Bucher, M.Couder, P.A.DeYoung, A.C.Dombos, J.Gorres, A.Kontos, A.Long, M.T.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher

Systematic study of (α, γ) reactions for stable nickel isotopes

NUCLEAR REACTIONS ^{58,60,61,62,64}Ni(α, γ), E=5-9 MeV; measured Eγ, Iγ, σ(E) using γ-summing detector SuN at Notre Dame tandem (FN) Pelletron accelerator facility; deduced astrophysical reaction rates. Comparison with available experimental data, and with Hauser-Feshbach calculations using TALYS 1.6 code with different combinations of α-optical potentials. nuclear level densities, and E1 γ-ray strength functions. Comparisons with results in NON-SMOKER and BRUSLIB databases.

doi: 10.1103/PhysRevC.92.025806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2181.

2014CH56      Nucl.Instrum.Methods Phys.Res. A763, 553 (2014)

K.Chipps, U.Greife, D.W.Bardayan, J.C.Blackmon, A.Kontos, L.E.Linhardt, M.Matos, S.D.Pain, S.T.Pittman, A.Sachs, H.Schatz, K.T.Schmitt, M.S.Smith, P.Thompson, for the JENSA Collaboration

The Jet Experiments in Nuclear Structure and Astrophysics (JENSA) gas jet target

NUCLEAR REACTIONS N(¹²⁰Sn, ¹²⁰Sn), E=40 MeV; ¹⁵N(α, α), E not given; measured reaction products, Eα, Iα; deduced arbitrary units σ(θ), the capability of JENSA to detect scattered recoils at all angles.

doi: 10.1016/j.nima.2014.06.042
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2014GL02      Phys.Rev. C 89, 065808 (2014)

J.Glorius, K.Sonnabend, J.Gorres, D.Robertson, M.Knorzer, A.Kontos, T.Rauscher, R.Reifarth, A.Sauerwein, E.Stech, W.Tan, T.Thomas, M.Wiescher

Experimental cross sections of ¹⁶⁵Ho(α, n)¹⁶⁸Tm and ¹⁶⁶Er(α, n)¹⁶⁹Yb for optical potential studies relevant for the astrophysical γ process

NUCLEAR REACTIONS ¹⁶⁵Ho, ¹⁶⁶Er(α, n), E=10.5-15 MeV; measured Eγ, Iγ, σ(E) by activation technique using Tandem accelerator at NSL-Notre Dame. Comparison with predictions from Hauser-Feshbach calculations using TALYS and SMARAGD codes, and with previous experimental results; analyzed α-nucleus optical potential for simulations of astrophysical γ process.

doi: 10.1103/PhysRevC.89.065808
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2119.

2014LA16      Phys.Rev.Lett. 113, 032502 (2014)

C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Determining the rp-Process Flow through ⁵⁶Ni: Resonances in ⁵⁷Cu(p, γ)⁵⁸Zn identified with GRETINA

NUCLEAR REACTIONS ²H(⁵⁷Cu, n), E=75 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance energies, J, π, reaction rates. Shell model calculations, GXPF1A interaction.

doi: 10.1103/PhysRevLett.113.032502
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2014QU01      Phys.Rev. C 89, 054611 (2014)

S.J.Quinn, A.Spyrou, E.Bravo, T.Rauscher, A.Simon, A.Battaglia, M.Bowers, B.Bucher, C.Casarella, M.Couder, P.A.DeYoung, A.C.Dombos, J.Gorres, A.Kontos, Q.Li, A.Long, M.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, M.K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher

Measurement of the ⁵⁸Ni(α, γ)⁶²Zn reaction and its astrophysical impact

NUCLEAR REACTIONS ⁵⁸Ni(α, γ)⁶²Zn, E=5.5-9.5 MeV; measured Eγ, Iγ, σ(E) using Summing NaI(Tl) (SuN) detector at NSL-Notre Dame facility; deduced astrophysical reaction rates. Comparison with predictions from statistical Hauser-Feshbach model using SMARAGD code. Discussed Astrophysical implications and elemental abundances.

doi: 10.1103/PhysRevC.89.054611
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2116.

2014QU04      Nucl.Instrum.Methods Phys.Res. A 757, 62 (2014)

S.J.Quinn, A.Spyrou, A.Simon, A.Battaglia, M.Bowers, B.Bucher, C.Casarella, M.Couder, P.A.Deyoung, A.C.Dombos, J.P.Greene, J.Gorres, A.Kontos, Q.Li, A.Long, M.Moran, N.Paul, J.Pereira, D.Robertson, K.Smith, M.K.Smith, E.Stech, R.Talwar, W.P.Tan, M.Wiescher

First application of the technique in inverse kinematics

NUCLEAR REACTIONS ¹H(²⁷Al, γ), ¹H(⁵⁸Ni, γ), ²⁷Al(p, γ), ⁵⁸Ni(p, γ), E=956 keV-1.5 GeV; measured products, Eγ, Iγ; deduced resonance parameters. Data were imported from EXFOR entry C2123.

doi: 10.1016/j.nima.2014.05.020
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2123.

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
Citations: PlumX Metrics
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
Citations: PlumX Metrics
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.

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2032.

2013QU01      Phys.Rev. C 88, 011603 (2013)

S.J.Quinn, A.Spyrou, A.Simon, A.Battaglia, M.Couder, P.A.DeYoung, A.C.Dombos, X.Fang, J.Gorres, A.Kontos, Q.Li, S.Lyons, B.S.Meyer, G.F.Peaslee, D.Robertson, K.Smith, M.K.Smith, E.Stech, W.P.Tan, X.D.Tang, M.Wiescher

Probing the production mechanism of the light p-process nuclei

NUCLEAR REACTIONS ⁷⁴Ge(p, γ)⁷⁵As, E=1.6-4.2 MeV; measured Eγ, Iγ, σ(E) using the NSCL SuN detector at Notre Dame facility; deduced astrophysical S(E) factors, reaction rates at T₉=0.10-10.0, cumulative mass fraction of ⁷⁴Se in a Type II Supernova model. Comparison with previous experimental data, and with theoretical predictions using NON-SMOKER and TALYS nuclear reaction codes.

doi: 10.1103/PhysRevC.88.011603
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2046.

2013SI11      Phys.Rev. C 87, 055802 (2013)

A.Simon, A.Spyrou, T.Rauscher, C.Frohlich, S.J.Quinn, A.Battaglia, A.Best, B.Bucher, M.Couder, P.A.DeYoung, X.Fang, J.Gorres, A.Kontos, Q.Li, L.-Y.Lin, A.Long, S.Lyons, A.Roberts, D.Robertson, K.Smith, M.K.Smith, E.Stech, B.Stefanek, W.P.Tan, X.D.Tang, M.Wiescher

Systematic study of (p, γ) reactions on Ni isotopes

NUCLEAR REACTIONS ^{58,60,61,62,64}Ni(p, γ), E=2.0-6.0 MeV; measured Eγ, Iγ, σ(E) using the NSCL-SuN gamma detector utilizing γ-summing technique at Notre Dame; deduced sensitivity of the reaction σ(E) with variation of γ- and particle width. Comparison with theoretical predictions from NON-SMOKER and SMARAGD computer code calculations, and with previous experimental data. Predicted astrophysical reaction rates on all stable nickel isotopes including that for ⁵⁶Ni(p, γ)⁵⁷Cu.

doi: 10.1103/PhysRevC.87.055802
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2026.

2013SI35      Nucl.Instrum.Methods Phys.Res. A 703, 16 (2013)

A.Simon, S.J.Quinn, A.Spyrou, A.Battaglia, I.Beskin, A.Best, B.Bucher, M.Couder, P.A.Deyoung, X.Fang, J.Gorres, A.Kontos, Q.Li, S.N.Liddick, A.Long, S.Lyons, K.Padmanabhan, J.Peace, A.Roberts, D.Robertson, K.Smith, M.K.Smith, E.Stech, B.Stefanek, W.P.Tan, X.D.Tang, M.Wiescher

SuN: Summing NaI(Tl) gamma-ray detector for capture reaction measurements

NUCLEAR REACTIONS ²⁷Al(p, γ), E=2.3-3.9 MeV; measured products, Eγ, Iγ; deduced resonance parameters. Data were imported from EXFOR entry C1967.

doi: 10.1016/j.nima.2012.11.045
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1967.

2013SP04      Phys.Rev. C 88, 045802 (2013)

A.Spyrou, S.J.Quinn, A.Simon, T.Rauscher, A.Battaglia, A.Best, B.Bucher, M.Couder, P.A.DeYoung, A.C.Dombos, X.Fang, J.Gorres, A.Kontos, Q.Li, L.Y.Lin, A.Long, S.Lyons, B.S.Meyer, A.Roberts, D.Robertson, K.Smith, M.K.Smith, E.Stech, B.Stefanek, W.P.Tan, X.D.Tang, M.Wiescher

Measurement of the ^{90, 92}Zr(p, γ)^{91, 93}Nb reactions for the nucleosynthesis of elements near A=90

NUCLEAR REACTIONS ^90,92Zr(p, γ)⁹¹Nb/⁹³Nb, E=2.0-5.0 MeV; measured Eγ, Iγ, σ(E) using NSCL SuN detector at Notre Dame accelerator facility; deduced astrophysical S factors, reaction rates, sensitivity of reaction to widths in Hauser-Feshbach model. Comparison with standard NON-SMOKER model, and two TALYS calculations. Relevance to synthesis and abundances of light p nuclei.

doi: 10.1103/PhysRevC.88.045802
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2065.

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
Citations: PlumX Metrics
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.

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
Citations: PlumX Metrics
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.

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.

2007KO02      Nucl.Instrum.Methods Phys.Res. B254, 10 (2007)

M.Kokkoris, P.Misaelides, A.Kontos, A.Lagoyannis, S.Harissopulos, R.Vlastou, C.T.Papadopoulos

Differential cross section measurements of the ¹²C(d, p_{1, 2, 3})¹³C reactions in the energy range E_{d, lab}=900-2000 keV for nuclear reaction analysis

NUCLEAR REACTIONS ¹²C(d, p), E=900-2000 keV; measured Ep, σ(E, θ).

doi: 10.1016/j.nimb.2006.10.002
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0398.

2007KO69      Nucl.Instrum.Methods Phys.Res. B263, 357 (2007)

M.Kokkoris, V.Foteinou, G.Provatas, A.Kontos, N.Patronis, C.T.Papadopoulos, R.Vlastou, P.Misaelides, A.Lagoyannis, S.Harissopulos

A detailed study of the d + ¹⁰B system for nuclear reaction analysis - Part A: The ¹⁰B(d, p)¹¹B reaction in the energy region E_{d, lab} =900-2000 keV

NUCLEAR REACTIONS ¹⁰B(d, p), E=900-2000 keV; measured σ and angular distributions.

doi: 10.1016/j.nimb.2007.07.003
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0439.

2006KO23      Nucl.Instrum.Methods Phys.Res. B249, 77 (2006)

M.Kokkoris, P.Misaelides, S.Kossionides, Ch.Zarkadas, A.Lagoyannis, R.Vlastou, C.T.Papadopoulos, A.Kontos

A detailed study of the ¹²C(d, p₀)¹³C reaction at detector angles between 135 degrees and 170 degrees, for energy range E_{d, lab} = 900-2000 keV

NUCLEAR REACTIONS ¹²C(d, p), E=900-2000 keV; measured σ(θ). Comparison with previous results.

doi: 10.1016/j.nimb.2006.03.083
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0368.

2006KO24      Nucl.Instrum.Methods Phys.Res. B249, 81 (2006)

M.Kokkoris, P.Misaelides, S.Kossionides, A.Lagoyannis, Ch.Zarkadas, R.Vlastou, C.T.Papadopoulos, A.Kontos

A detailed study of the ^natC(d, d₀) reaction at detector angles between 145 degrees and 170 degrees, for the energy range E_{d, lab} = 900-2000 keV

NUCLEAR REACTIONS C(d, d), E=900-2000 keV; measured σ(θ); deduced resonance features. Comparison with previous results.

doi: 10.1016/j.nimb.2006.03.084
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0367.