NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = S.Subedi Found 21 matches. 2024PA09 Phys.Rev. C 109, 015802 (2024) S.N.Paneru, C.R.Brune, D.Connolly, D.Odell, M.Poudel, D.R.Phillips, J.Karpesky, B.Davids, C.Ruiz, A.Lennarz, U.Greife, M.Alcorta, R.Giri, M.Lovely, M.Bowry, M.Delgado, N.E.Esker, A.B.Garnsworthy, C.Seeman, P.Machule, J.Fallis, A.A.Chen, F.Laddaran, A.Firmino, C.Weinerman Elastic scattering of 3He+4He with the SONIK scattering chamber
doi: 10.1103/PhysRevC.109.015802
2023BR02 Nucl.Sci.Eng. 197, 510 (2023) K.Brandenburg, G.Hamad, Z.Meisel, C.R.Brune, D.E.Carter, J.Derkin, D.C.Ingram, Y.Jones-Alberty, B.Kenady, T.N.Massey, M.Saxena, D.Soltesz, S.K.Subedi, J.Warren Measurements of the 27Al(α, n) Thick Target Yield near Threshold NUCLEAR REACTIONS 27Al(n, α), E=3-5 MeV; measured reaction products, En, In; deduced thick-target-yields. Comparison with available data. The 3HeBF3 Giant Barrel (HeBGB) neutron detector at the Edwards Accelerator Laboratory at Ohio University.
doi: 10.1080/00295639.2022.2118483
2023BR13 Phys.Rev. C 108, L061601 (2023) K.Brandenburg, G.Hamad, Z.Meisel, C.R.Brune, D.E.Carter, R.J.deBoer, J.Derkin, C.Feathers, D.C.Ingram, Y.Jones-Alberty, B.Kenady, T.N.Massey, M.Saxena, D.Soltesz, S.K.Subedi, A.V.Voinov, J.Warren, M.Wiescher Measurements of the 13C(α, n)16O cross section up to Eα=8 MeV
doi: 10.1103/PhysRevC.108.L061601
2023DR01 Phys.Rev. C 107, 034306 (2023) N.Dronchi, D.Weisshaar, B.A.Brown, A.Gade, R.J.Charity, L.G.Sobotka, K.W.Brown, W.Reviol, D.Bazin, P.J.Farris, A.M.Hill, J.Li, B.Longfellow, D.Rhodes, S.N.Paneru, S.A.Gillespie, A.Anthony, E.Rubino, S.Biswas Measurement of the B(E2 ↑) strengths of 36Ca and 38Ca NUCLEAR REACTIONS 197Au(36Ca, 36Ca), E=76.9 MeV/nucleon; 197Au(38Ca, 38Ca), E=69.1 MeV/nucleon; 197Au(34Ar, 34Ar), E not given; measured reaction products, Eγ, Iγ; deduced σ and B(E2) for the excitation of the first 2+ (34Ar was present as contamination). 36Ca; deduced proton decay branching ratio for 2 state proton unbound state, spectroscopic factors, charge radii difference with mirror nuclei 36S. 35K(p, γ), T=0.5-2 GK; deduced reaction rate using obtained in this paper values for the 36Ca B(E2) and proton branching ratio. GRETINA HPGe array and the S800 spectrograph used to measure the γ-decay following Coulomb excitation. CAESAR CsI(Na) array and the S800 spectrograph used to measure the p/γ- branching ratio in 36Ca. Systematics of first 2+ states energy and B(E2) for Ca isotopes. Beam produced from fragmentation reaction 9Be(40Ca, X), E=140 MeV/nucleon at Coupled Cyclotron Facility (NSCL). NUCLEAR STRUCTURE 36,38,40,42,44,46,48,50Ca, 36S, 38Ar; calculated energy of first 2+ state, B(E2) for the excitation of first 2+ state. Shell model calculations with ZBM2, USDB, spdfu-mix and GXPF1A interactions. Comparison to experimental data.
doi: 10.1103/PhysRevC.107.034306
2022AY04 Phys.Rev.Lett. 129, 012501 (2022) Y.Ayyad, W.Mittig, T.Tang, B.Olaizola, G.Potel, N.Rijal, N.Watwood, H.Alvarez-Pol, D.Bazin, M.Caamano, J.Chen, M.Cortesi, B.Fernandez-DomInguez, S.Giraud, P.Gueye, S.Heinitz, R.Jain, B.P.Kay, E.A.Maugeri, B.Monteagudo, F.Ndayisabye, S.N.Paneru, J.Pereira, E.Rubino, C.Santamaria, D.Schumann, J.Surbrook, L.Wagner, J.C.Zamora, V.Zelevinsky Evidence of a Near-Threshold Resonance in 11B Relevant to the β-Delayed Proton Emission of 11Be NUCLEAR REACTIONS 1H(10Be, X)11B, E=350 keV/nucleon; measured reaction products, Ep, Ip, Eα, Iα. 11B; deduced σ(θ), resonance parameters. R-matrix analysis. The ReA3 reaccelerator facility of the National Superconducting Cyclotron Laboratory.
doi: 10.1103/PhysRevLett.129.012501
2022HA25 Phys.Rev. C 106, 025804 (2022) G.Hamad, K.Brandenburg, Z.Meisel, C.R.Brune, D.E.Carter, D.C.Ingram, Y.Jones-Alberty, T.N.Massey, M.Saxena, D.Soltesz, S.K.Subedi, A.V.Voinov Measurements of the 96Zr(α, n)99Mo cross section for astrophysics and applications
doi: 10.1103/PhysRevC.106.025804
2022PS02 Phys.Rev.Lett. 129, 162701 (2022) A.Psaltis, A.A.Chen, R.Longland, D.S.Connolly, C.R.Brune, B.Davids, J.Fallis, R.Giri, U.Greife, D.A.Hutcheon, L.Kroll, A.Lennarz, J.Liang, M.Lovely, M.Luo, C.Marshall, S.N.Paneru, A.Parikh, C.Ruiz, A.C.Shotter, M.Williams Direct Measurement of Resonances in 7Be(α, γ)11C Relevant to νp-Process Nucleosynthesis NUCLEAR REACTIONS 4He(7Be, γ)11C, E not given; measured reaction products, Eγ, Iγ; deduced resonance energies and strengths, thermonuclear reaction rates. Comparison with available data. DRAGON recoil separator, TRIUMF.
doi: 10.1103/PhysRevLett.129.162701
2022PS03 Phys.Rev. C 106, 045805 (2022) A.Psaltis, A.A.Chen, R.Longland, D.S.Connolly, C.R.Brune, B.Davids, J.Fallis, R.Giri, U.Greife, D.A.Hutcheon, L.Kroll, A.Lennarz, J.Liang, M.Lovely, M.Luo, C.Marshall, S.N.Paneru, A.Parikh, C.Ruiz, A.C.Shotter, M.Williams First inverse kinematics measurement of resonances in 7Be(α, γ)11C relevant to neutrino-driven wind nucleosynthesis using DRAGON NUCLEAR REACTIONS 4He(7Be, γ), E=351-464 keV/nucleon; measured reaction products, Eγ, Iγ, γ-sum, (particle)γ-coin; deduced 1110-, 1115- and 876-keV resonances strength, thermonuclear reaction rate (T=0.1-10 GK), astrophysical S-factor. Discussed the impact of newly determined rates on studies of nucleosynthesis in neutrino-driven winds. Helium-filled windowless gas target surrounded by γ-ray array of 30 BGO scintillator crystals at DRAGON recoil separator (TRIUMF).
doi: 10.1103/PhysRevC.106.045805
2022SA20 Phys.Lett. B 829, 137059 (2022) M.Saxena, W.-J.Ong, Z.Meisel, D.E.M.Hoff, N.Smirnova, P.C.Bender, S.P.Burcher, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, R.Conaway, P.A.Copp, B.P.Crider, J.Derkin, A.Estrae, G.Hamad, J.T.Harke, R.Jain, H.Jayatissa, S.N.Liddick, B.Longfellow, M.Mogannam, F.Montes, N.Nepal, T.H.Ogunbeku, A.L.Richard, H.Schatz, D.Soltesz, S.K.Subedi, I.Sultana, A.S.Tamashiro, V.Tripathi, Y.Xiao, R.Zink 57Zn β-delayed proton emission establishes the 56Ni rp-process waiting point bypass RADIOACTIVITY 57Zn(β+p), (β+) [from 9Be(78Kr, X)57Zn, E=150 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, Ep, Ip; deduced T1/2, βp branching ratio, β-γ-p decay mode transitions. The Coupled Cyclotron Facility of NSCL.
doi: 10.1016/j.physletb.2022.137059
2022VA04 Phys.Rev. C 105, 055802 (2022) B.Vande Kolk, K.T.Macon, R.J.deBoer, T.Anderson, A.Boeltzig, K.Brandenburg, C.R.Brune, Y.Chen, A.M.Clark, T.Danley, B.Frentz, R.Giri, J.Gorres, M.Hall, S.L.Henderson, E.Holmbeck, K.B.Howard, D.Jacobs, J.Lai, Q.Liu, J.Long, K.Manukyan, T.Massey, M.Moran, L.Morales, D.Odell, P.O'Malley, S.N.Paneru, A.Richard, D.Schneider, M.Skulski, N.Sensharma, C.Seymour, G.Seymour, D.Soltesz, S.Strauss, A.Voinov, L.Wustrich, M.Wiescher Investigation of the 10B (p, α)7Be reaction from 0.8 to 2.0 MeV NUCLEAR REACTIONS 10B(p, α), (p, p), E=0.8-2.0 MeV; measured Eα, Iα, Ep, Ip; deduced σ(θ), σ(E) S-factor, resonance parameters of 10B+p system - energy, spin, partial (p0, α0, α1) and total width. 10B(p, γ), E=0 .1-2.0 MeV; deduced σ(θ). 11C; deduced levels, J, π. R-matrix analysis. Measurements were made at the University of Notre Dame (UND) Nuclear Science Laboratory (NSL) using a degrader foil method, while those at the Edwards AcceleratorLaboratory at Ohio University (OU) were performed using the time-of-flight (ToF)technique. Comparison with other experimental data.
doi: 10.1103/PhysRevC.105.055802
2022WA34 Phys.Rev. C 106, 044317 (2022) S.Waniganeththi, D.E.M.Hoff, A.M.Rogers, C.J.Lister, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, Z.Meisel, C.Morse, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi Establishing the ground-state spin of 71Kr RADIOACTIVITY 71Kr(EC), (β+), (β+p) [from 9Be(92Mo, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 fragment separator and a Radio Frequency Fragment Separator (RFFS) at the NSCL-MSU facility]; measured particle identification plot of implanted ions, Eγ, Iγ, E(p), I(p), (implants)β-coin, (implants)(β-delayed protons)-coin, (implants)γγ-coin, (implants)βγ-coin, T1/2 of decay of 71Kr; deduced absolute number of βγ-coin events, β events, absolute γ intensities, and intensities of β-delayed protons, logft for ground-state to ground-state superallowed β transition using SeGA array with 16 HPGe detectors for γ detection, and double-sided silicon-strip detector (DSSSDs) for particle detection. 71Kr; deduced Jπ and T1/2 of the ground state, decay branching ratios. 70Br; deduced T1/2 of the 0+ g.s. and 9+ isomer. 71Br, 70Se; deduced levels, J, π, β feedings, logft, I(p) feedings. Discussed structure of 71Kr and 71Br mirror nuclei. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.106.044317
2021LO09 Phys.Rev. C 103, 055801 (2021) M.Lovely, A.Lennarz, D.Connolly, M.Williams, M.Alcorta, A.A.Chen, B.Davids, N.E.Esker, C.Fry, S.A.Gillespie, R.Giri, U.Greife, A.Hussein, D.Hutcheon, J.Karpesky, L.Kroll, J.Liang, P.D.O'Malley, S.Paneru, A.Psaltis, C.Ruiz, A.C.Shotter, for the DRAGON Collaboration Proton capture on 34S in the astrophysical energy regime of O-Ne novae NUCLEAR REACTIONS 1H(34S, γ)35Cl, E=518.6 keV/nucleon from the ISAC facility of TRIUMF; measured recoils, Eγ, Iγ, TOF using DRAGON separator having four components, windowless gas target, BGO array for γ rays, two stage electromagnetic separator, and heavy ion detector system of double-sided silicon strip detector (DSSSD) and an ionization chamber (IC) for recoils. 35Cl; deduced energies of resonances, resonance strengths, astrophysical reaction rates. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.103.055801
2021PS01 Nucl.Instrum.Methods Phys.Res. A987, 164828 (2021) A.Psaltis, A.A.Chen, D.S.Connolly, B.Davids, G.Gilardy, R.Giri, U.Greife, W.Huang, D.A.Hutcheon, J.Karpesky, A.Lennarz, J.Liang, M.Lovely, S.N.Paneru, C.Ruiz, G.Tenkila, M.Williams Beyond the acceptance limit of DRAGON: The case of the 6Li(α, γ)10B reaction NUCLEAR REACTIONS 6Li(α, γ), E=3.6 MeV; measured reaction products, TOF, Eγ, Iγ; deduced Q-value, resonance parameters. Comparison with available data.
doi: 10.1016/j.nima.2020.164828
2021VO11 Phys.Rev. C 104, 015805 (2021) A.V.Voinov, K.Brandenburg, C.R.Brune, R.Giri, S.M.Grimes, T.Massey, Z.Meisel, S.N.Paneru, A.L.Richard, G.Perdikakis, A.Falduto Reduction of the neutron imaginary potential off the stability line and its possible impact on neutron capture rates NUCLEAR REACTIONS 48Ca(11B, X)59Mn*, E=21.8 MeV; measured E(n), I(n), E(p), I(p), Eα, Iα emitted by the compound nucleus 59Mn using ΔE-E Si detector telescope at the Edwards Accelerator Laboratory; analyzed optical model potentials (OMP) with their original parametrizations as well as with adjusted isovector imaginary components using EMPIRE code and BSFG Egidy level-density parametrization; deduced importance of inclusion of isovector component of the imaginary potential; discussed consequences for astrophysical reaction-rate calculations.
doi: 10.1103/PhysRevC.104.015805
2020GA12 Phys.Rev. C 101, 055805 (2020) P.Gastis, G.Perdikakis, J.Dissanayake, P.Tsintari, I.Sultana, C.R.Brune, T.N.Massey, Z.Meisel, A.V.Voinov, K.Brandenburg, T.Danley, R.Giri, Y.Jones-Alberty, S.Paneru, D.Soltesz, S.Subedi Constraining the destruction rate of 40K in stellar nucleosynthesis through the study of the 40Ar(p, n)40K reaction NUCLEAR REACTIONS 40Ar(p, n)40K, E(cm)=3.3-3.9 MeV; measured In, Eγ, Iγ, and differential σ(θ, E) using neutron time-of-flight technique with plastic scintillators for neutron detection and LaBr3 scintillator for γ detection at the Edwards Accelerator Laboratory of Ohio University; deduced total σ(E), and partial σ(E) populating discrete states. 40K(n, p), E(cm)=3.3-3.9 MeV; deduced thermonuclear reaction rates for the forward and reverse reactions. Comparison with Hauser-Feshbach calculations using the statistical model code TALYS, and with theoretical rates in the REACLIB library. Relevance to yield of 40K in nucleosynthesis, and impact on galactic chemical evolution models for the study of properties of exoplanets.
doi: 10.1103/PhysRevC.101.055805
2020HO06 Nature(London) 580, 52 (2020) D.E.M.Hoff, A.M.Rogers, S.M.Wang, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, C.J.Lister, Z.Meisel, C.Morse, W.Nazarewicz, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi, S.Waniganeththi Mirror-symmetry violation in bound nuclear ground states RADIOACTIVITY 73Sr(β+p), (β+), (EC) [from Be(92Mo, X), E=140 MeV/nucleon]; measured decay products, Eβ, Iβ, Ep, Ip; deduced T1/2, γ-ray energies, level scheme, J, π, branching ratios, isobaric-analogue state (IAS), log ft. Comparison with calculations, available data.
doi: 10.1038/s41586-020-2123-1
2020HO17 Phys.Rev. C 102, 045810 (2020) D.E.M.Hoff, A.M.Rogers, Z.Meisel, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, C.J.Lister, C.Morse, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi, S.M.Wang, S.Waniganeththi Influence of 73Rb on the ashes of accreting neutron stars RADIOACTIVITY 73Sr(β+), (β+p)[from 9Be(92Mo, X), E=140 MeV/nucleon, followed by the separation and purification of 73Sr beam by A1900 and radiofrequency fragment separators at NSCL-MSU, and implanted in double-sided silicon strip detector]; measured Ep, Ip. 73Rb; deduced energy of the isobaric analogue state (IAS), J, π, isospin, S(p), β++ϵ feedings and logft for transitions to the 3/2- g.s. and the IAS, influence of 73Rb S(p) on x-ray bursts, and impact on the products of the rp process. Bayesian analysis of beta-delayed proton spectrum. ATOMIC MASSES 73Rb, 73Sr; analyzed mass excesses by IMME analysis for A=73 isobars of 73Sr, 73Rb, 73Kr and 73Br; deduced mass excesses for 73Rb and 73Sr, and S(p) for 73Rb. Comparison with data in AME2016.
doi: 10.1103/PhysRevC.102.045810
2020SU17 Astrophys.J. 898, 5 (2020) Sensitivity of 44Ti and 56Ni Production in Core-collapse Supernova Shock-driven Nucleosynthesis to Nuclear Reaction Rate Variations NUCLEAR REACTIONS 13N, 17F, 52Fe, 56Ni(α, p), 57Ni(n, p), 56Co(p, n), 39K, 47V, 52Mn, 57Co(p, γ), 39K(p, α), E not given; calculated reaction rates.
doi: 10.3847/1538-4357/ab9745
2020VO12 Phys.Rev. C 102, 064005 (2020) A.V.Voinov, S.Akhtar, N.Alanazi, K.Brandenburg, C.R.Brune, T.W.Danley, S.Dhakal, R.Giri, T.N.Massey, S.N.Paneru, C.E.Parker, A.L.Richard, C.J.Forrest, D.Schneider, G.Grim Cross section of neutrons from the 2H(n, 2n) reaction at En = 15 MeV NUCLEAR REACTIONS 16O(n, n), 2H(n, 2n), E=15 MeV; measured reaction products, En, In; deduced cross sections using H2O and D2O targets and NE213 liquid scintillator at the Swinger neutron facility of Edwards Accelerator Laboratory. Comparison with models based on phase-space approximation used in the ENDF/B-VIII.0 data library and in the MCNP neutron transport code, and using the rigorous model based on Faddeev equations.
doi: 10.1103/PhysRevC.102.064005
2019PA21 Phys.Rev. C 99, 045807 (2019) S.N.Paneru, C.R.Brune, R.Giri, R.J.Livesay, U.Greife, J.C.Blackmon, D.W.Bardayan, K.A.Chipps, B.Davids, D.S.Connolly, K.Y.Chae, A.E.Champagne, C.Deibel, K.L.Jones, M.S.Johnson, R.L.Kozub, Z.Ma, C.D.Nesaraja, S.D.Pain, F.Sarazin, J.F.Shriner, D.W.Stracener, M.S.Smith, J.S.Thomas, D.W.Visser, C.Wrede s-wave scattering lengths for the 7Be + p system from an R-matrix analysis NUCLEAR REACTIONS 1H(7Be, 7Be), (7Be, 7Be'), E=4-27 MeV; 12C(7Be, 7Be), E=7, 14 meV; measured scattered ions, differential σ(θ) using (CH2)n target and segmented Silicon Detector Array (SIDAR) for scattered ion detection at ORNL-HRIBF; deduced s-wave scattering lengths, R-matrix analysis of elastic and inelastic scattering data; analyzed cross-section data from Louvain-la-Neuve reported in 2003An06 reference. Comparison with previous experimental values, and optical model calculations. Relevance to astrophysical S factor for 7Be(p, γ) reaction. 8B; verified levels at 1.9, 2.21 and 9.0 MeV.
doi: 10.1103/PhysRevC.99.045807
2019VO05 Phys.Rev. C 99, 054609 (2019) A.V.Voinov, T.Renstrom, D.L.Bleuel, S.M.Grimes, M.Guttormsen, A.C.Larsen, S.N.Liddick, G.Perdikakis, A.Spyrou, S.Akhtar, N.Alanazi, K.Brandenburg, C.R.Brune, T.W.Danley, S.Dhakal, P.Gastis, R.Giri, T.N.Massey, Z.Meisel, S.Nikas, S.N.Paneru, C.E.Parker, A.L.Richard Level densities of 74, 76Ge from compound nuclear reactions NUCLEAR STRUCTURE 68,70Zn(7Li, p), E=16 MeV; measured evaporated proton spectra from 2-25 MeV, σ, yields using silicon ΔE-E telescope at the Edwards tandem accelerator laboratory, Athens, Ohio. 74,76Ge; deduced nuclear level densities. Comparison with theoretical calculations using coupled-channel model of the EMPIRE code, GCM-RIPL-global, and BSFG-RIPL-global density models.
doi: 10.1103/PhysRevC.99.054609
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