NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.T.Pittman Found 35 matches. 2022JO01 Phys.Rev. C 105, 024602 (2022) K.L.Jones, A.Bey, S.Burcher, J.M.Allmond, A.Galindo-Uribarri, D.C.Radford, S.Ahn, A.Ayres, D.W.Bardayan, J.A.Cizewski, R.F.Garcia Ruiz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.Matos, C.D.Nesaraja, P.D.O'Malley, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, A.Ratkiewicz, K.T.Schmitt, M.S.Smith, D.W.Stracener, R.L.Varner Neutron transfer reactions on the ground state and isomeric state of a 130Sn beam NUCLEAR REACTIONS 9Be, 13C(130Sn, 131Sn), E=520 MeV [secondary 130Sn and 130mSn beams from U(p, F)]; measured reaction products, Eγ, Iγ, Eα, αα-coin, αγ-coin, ααγ-coin. 131Sn; deduced levels, J, π, improved energy values for 1p-2h states. Discussed the probability of one-neutron transfer from the 7- isomeric state in 130Sn. CLARION array of 11 Compton-suppressed HPGe clover detectors combined with BareBall CsI(Tl) array at HRIBF.
doi: 10.1103/PhysRevC.105.024602
2022KI05 Phys.Rev. C 105, 025801 (2022) C.H.Kim, K.Y.Chae, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, M.S.Kwag, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss Proton branching ratios of 23Mg levels NUCLEAR REACTIONS 24Mg(p, d), E=31 MeV; measured Ep, Ip, deuteron spectra, (deuteron)p-coin; deduced proton branchings from excited states in 23Mg to the levels of 22Na. Discussed the impact of measured proton branchings on the estimation of 22Na(p, γ) reaction rate. A large-area silicon detector array (SIDAR) at HRIBF.
doi: 10.1103/PhysRevC.105.025801
2021KI05 Phys.Rev. C 104, 014323 (2021) M.J.Kim, K.Y.Chae, S.Ahn, D.W.Bardayan, S.M.Cha, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss First measurement of proton decay from a transfer reaction to 21Na NUCLEAR REACTIONS 24Mg(p, α)21Na*, E=31 MeV; analyzed Eα, Iα, light charged particles, particle identification plot, α(protons from the decay of excited stated in 21Na)-coin, a follow-up analysis of previously reported experiment in 2017Ch34 using silicon detector array SIDAR at HRIBF-ORNL facility. 21Na; deduced levels, proton branching ratios from decay of levels in 21Na to the ground and first excited states of 20Ne assuming isotropic decays. 21Mg(β+), (β+p); compared previously known experimental delayed proton branches from levels in 21Na populated in β+ decay of 21Mg with those from the transfer reaction in the present analysis.
doi: 10.1103/PhysRevC.104.014323
2021KU26 Phys.Rev. C 104, 044601 (2021) K.Kuhn, F.Sarazin, F.M.Nunes, M.A.G.Alvarez, C.Andreoiu, D.W.Bardayan, P.C.Bender, J.C.Blackmon, M.J.G.Borge, R.Braid, B.A.Brown, W.N.Catford, C.Aa.Diget, A.DiPietro, T.E.Drake, P.Figuera, A.B.Garnsworthy, J.Gomez-Camacho, G.Hackman, U.Hager, S.V.Ilyushkin, E.Nacher, P.D.O'Malley, A.Perea, V.Pesudo, S.T.Pittman, D.Smalley, C.E.Svensson, O.Tengblad, P.Thompson, C.Unsworth, Z.M.Wang Experimental study of the nature of the 1- and 2- excited states in 10Be using the 11Be(p, d) reaction in inverse kinematics NUCLEAR REACTIONS 1H(11Be, d)10Be, (11Be, p), (11Be, p'), E=9.93 MeV/nucleon, [secondary 11Be beam from Ta(p, X), E=479 MeV primary reaction at TRIUMF cyclotron, followed by extraction of 11Be using Resonant Ionization Laser Ion Source (TRILIS) and accelerated through the ISAC-I and ISAC-II accelerators]; measured E(d), I(d), E(p), I(p), elastic and inelastic σ(θ) of outgoing protons, σ(θ) for deuterons using silicon telescopes, Eγ, Iγ, dγ-coin using TIGRESS array of 12 HPGe detectors for γ detection. 10Be; deduced levels, spectroscopic factors for 5960, 1- and 6263, 2- levels, mixed configurations with halo and cluster structures. Comparison of spectroscopic factors with predictions of shell model. Reaction kinematics and angular distributions analyzed using two versions of transfer reaction model considering one-step and two-step processes. Comparison with previous experimental results from RCNP and ISOLDE-CERN.
doi: 10.1103/PhysRevC.104.044601
2020KW01 Eur.Phys.J. A 56, 108 (2020) M.S.Kwag, K.Y.Chae, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss Spin assignments for 23Mg levels and the astrophysical 22Na(p, γ)23Mg reaction NUCLEAR REACTIONS 24Mg(p, d), E=31 MeV; measured reaction products. 23Mg, 22Na; deduced σ(θ), excitation energies and J, π for levels, resonance parameters and astrophysical reaction rates for 22Na+p. Comparison with available data, DWBA calculations. Large-area SIlicon Detector ARray (SIDAR). The Holifield Radioactive Ion Beam Facility (HRIBF) at Oak Ridge National Laboratory (ORNL).
doi: 10.1140/epja/s10050-020-00106-y
2019AH05 Phys.Rev. C 100, 044613 (2019) S.Ahn, D.W.Bardayan, K.L.Jones, A.S.Adekola, G.Arbanas, J.C.Blackmon, K.Y.Chae, K.A.Chipps, J.A.Cizewski, S.Hardy, M.E.Howard, R.L.Kozub, B.Manning, M.Matos, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, B.C.Rasco, M.S.Smith, I.Spassova Direct neutron capture cross section on 80Ge and probing shape coexistence in neutron-rich nuclei NUCLEAR REACTIONS 2H(80Ge, p), (80Ge, d), E=310 MeV; measured energies and angles of light-ion ejectiles, Ep, Ip, E(d), I(d), (80Ge)p- and (80Ge)d-coin, angular distributions of ejected proton using various silicon detectors at the Holifield Radioactive Ion Beam Facility at ORNL. Proton angular distributions analyzed using adiabatic wave approximation including finite range effects (ADWAFR) using FRESCO code, and by DWBA. 81Ge; deduced levels, J, π, spectroscopic factors, configurations, region of shape coexistence around N≈50. Systematics of low-lying levels in N=49 isotones 81Ge, 83Se, 85Kr and 87Sr. Discussed implications for the magic nature of 78Ni. 80Ge(n, γ), E=0.01-3 MeV; calculated σ(E) for r-process simulations using direct-semidirect (DSD) model and the CUPIDO code.
doi: 10.1103/PhysRevC.100.044613
2019MA26 Phys.Rev. C 99, 041302 (2019); Erratum Phys.Rev. C 99, 069901 (2019) B.Manning, G.Arbanas, J.A.Cizewski, R.L.Kozub, S.Ahn, J.M.Allmond, D.W.Bardayan, K.Y.Chae, K.A.Chipps, M.E.Howard, K.L.Jones, J.F.Liang, M.Matos, C.D.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, K.T.Schmitt, D.Shapira, M.S.Smith, L.Titus Informing direct neutron capture on tin isotopes near the N=82 shell closure NUCLEAR REACTIONS 2H(124Sn, p), (126Sn, p), (128Sn, p), E=630 MeV; measured Ep, Ip, (recoils)p-coin, Q-value spectra, differential σ(θ) using Super Oak Ridge Rutgers University Barrel Array (SuperORRUBA) for light charged particle detection and ionization chamber for detection of beam intensity and recoils at Oak Ridge National Laboratory. 125,127,129Sn; deduced levels, Jπ, L-transfers, spectroscopic factors. 2H(130Sn, p), (132Sn, p); reanalyzed previous experimental data. Angular distribution data compared with Finite Range Adiabatic Wave Approximation. 124,126,128,130,132Sn(n, γ), E=30 keV; calculated direct-semidirect σ(n, γ) from spectroscopic information, and compared with various theoretical predictions. Relevance to r-process abundance calculations.
doi: 10.1103/PhysRevC.99.041302
2018OR03 Phys.Lett. B 785, 615 (2018) R.Orlandi, S.D.Pain, S.Ahn, A.Jungclaus, K.T.Schmitt, D.W.Bardayan, W.N.Catford, R.Chapman, K.A.Chipps, J.A.Cizewski, C.G.Gross, M.E.Howard, K.L.Jones, R.L.Kozub, B.Manning, M.Matos, K.Nishio, P.D.O'Malley, W.A.Peters, S.T.Pittman, A.Ratkiewicz, C.Shand, J.F.Smith, M.S.Smith, T.Fukui, J.A.Tostevin, Y.Utsuno Neutron-hole states in 131Sn and spin-orbit splitting in neutron-rich nuclei NUCLEAR STRUCTURE 131,132,133Sn; analyzed available data; deduced spectroscopic factors, a significant reduction of the energy splitting of the weakly bound 3p orbits compared to the well-bound 2d orbits; calculated energy splitting using a one-body spin-orbit interaction and a Woods–Saxon potential of standard radius and diffuseness. NUCLEAR REACTIONS 2H(132Sn, t)131Sn, E ∼ 4.4 MeV/nucleon; measured reaction products; deduced σ(θ), orbital angular momentum, energy levels, J, π.
doi: 10.1016/j.physletb.2018.08.005
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
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
2017CH22 Phys.Rev. C 95, 045808 (2017) K.A.Chipps, S.D.Pain, R.L.Kozub, D.W.Bardayan, J.A.Cizewski, K.Y.Chae, J.F.Liang, C.Matei, B.H.Moazen, C.D.Nesaraja, P.D.O'Malley, W.A.Peters, S.T.Pittman, K.T.Schmitt, M.S.Smith First spin-parity constraint of the 306 keV resonance in 35Cl for nova nucleosynthesis NUCLEAR REACTIONS 37Cl(p, t), E=30 MeV; measured E(t), I(t), σ(θ) using silicon detector array SIDAR, natural Cl and enriched 37Cl targets HRIBF-ORNL. DWBA analysis of σ(θ) data. 35Cl; deduced level, resonance within the Gamow window, l-transfer and Jπ for 6677-keV level (306-keV proton resonance). Relevance to reaction rate for 34S(p, γ)35Cl in astrophysical applications.
doi: 10.1103/PhysRevC.95.045808
2017CH34 Phys.Rev. C 96, 025810 (2017) S.M.Cha, K.Y.Chae, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, R.L.Kozub, K.Kwak, B.Manning, M.Matos, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Ratkiewicz, M.S.Smith, S.Strauss Spectroscopic study of the radionuclide 21Na for the astrophysical 17F (α, p) 20Ne reaction rate NUCLEAR REACTIONS 24Mg(p, α)21Na, E=31 MeV; measured particle spectra, Eα, Iα, σ(θ) using annular silicon strip detector array at the ORNL Holifield Radioactive Ion Beam Facility. 21Na; deduced levels, proton resonances, J, π, L-transfers by DWBA analysis, Γα and resonance strengths of proton resonances. Comparison with previous experimental data as in the Nuclear Data Sheets. 17F(α, p)20Ne, T=0.1-1.1 GK; deduced astrophysical reaction rates, and compared with previous values, and with REACLIB compilation.
doi: 10.1103/PhysRevC.96.025810
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
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
2015CH66 J.Korean Phys.Soc. 67, 1435 (2015) S.M.Cha, K.Y.Chae, A.Kim, E.J.Lee, S.Ahn, D.W.Bardayan, K.A.Chipps, J.A.Cizewski, M.E.Howard, B.Manning, P.D.O'Malley, A.Ratkiewicz, S.Strauss, R.L.Kozub, M.Matos, S.D.Pain, S.T.Pittman, M.S.Smith, W.A.Peters 24Mg(p, α)21Na reaction study for spectroscopy of 21Na NUCLEAR REACTIONS 24Mg(p, α), E=31 MeV; measured reaction products, Eα, Iα; deduced α-particles yields, σ(θ), new energy level in 21Na. Comparison with theoretical calculations.
doi: 10.3938/jkps.67.1435
2015JO03 Acta Phys.Pol. B46, 537 (2015) K.L.Jones, S.Ahn, J.M.Allmond, A.Ayres, D.W.Bardayan, T.Baugher, D.Bazin, J.S.Berryman, A.Bey, C.Bingham, L.Cartegni, G.Cerizza, K.Y.Chae, J.A.Cizewski, A.Gade, A.Galindo-Uribarri, R.F.Garcia Ruiz, R.Grzywacz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.MatoS, S.McDaniel, D.Miller, C.D.Nesaraja, P.D.O'Malley, S.Padgett, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, D.C.Radford, A.Ratkiewicz, K.T.Schmitt, A.Shore, M.S.Smith, D.W.Stracener, S.R.Stroberg, J.Tostevin, R.L.Varner, D.Weisshaar, K.Wimmer, R.Winkler Recent Direct Reaction Experimental Studies with Radioactive Tin Beams
doi: 10.5506/APhysPolB.46.537
2015PA23 Phys.Rev.Lett. 114, 212501 (2015) S.D.Pain, D.W.Bardayan, J.C.Blackmon, S.M.Brown, K.Y.Chae, K.A.Chipps, J.A.Cizewski, K.L.Jones, R.L.Kozub, J.F.Liang, C.Matei, M.Matos, B.H.Moazen, C.D.Nesaraja, J.Okolowicz, P.D.O'Malley, W.A.Peters, S.T.Pittman, M.Ploszajczak, K.T.Schmitt, J.F.Shriner, Jr., D.Shapira, M.S.Smith, D.W.Stracener, G.L.Wilson Constraint of the Astrophysical 26gAl(p, γ)27Si Destruction Rate at Stellar Temperatures NUCLEAR REACTIONS 2H(26Al, p), E=117 MeV; measured reaction products, Ep, Ip; deduced σ(θ), spectroscopic factors, astrophysical reaction rates.
doi: 10.1103/PhysRevLett.114.212501
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
2013SC25 Phys.Rev. C 88, 064612 (2013) K.T.Schmitt, K.L.Jones, S.Ahn, D.W.Bardayan, A.Bey, J.C.Blackmon, S.M.Brown, K.Y.Chae, K.A.Chipps, J.A.Cizewski, K.I.Hahn, J.J.Kolata, R.L.Kozub, J.F.Liang, C.Matei, M.Matos, D.Matyas, B.Moazen, C.D.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Roberts, D.Shapira, J.F.Shriner, M.S.Smith, I.Spassova, D.W.Stracener, N.J.Upadhyay, A.N.Villano, G.L.Wilson Reactions of a 10Be beam on proton and deuteron targets NUCLEAR REACTIONS 2H(10Be, p), (10Be, d), 1H(10Be, p), E=60, 75, 90, 107 MeV; measured Ep, Ip, E(d), I(d), elastic and inelastic σ(θ, E) using SIDAR, ORRUBA, and SuperORRUBA arrays of particle detectors at HRIBF-ORNL facility. 11Be; deduced levels, and spectroscopic factors for halo nucleus. Finite-range adiabatic wave approximation (FR-ADWA) analysis.
doi: 10.1103/PhysRevC.88.064612
2012CH31 Phys.Rev. C 86, 014329 (2012) K.A.Chipps, D.W.Bardayan, K.Y.Chae, J.A.Cizewski, R.L.Kozub, C.Matei, B.H.Moazen, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, K.T.Schmitt, M.S.Smith 28Si(p, 3He) reaction for spectroscopy of 26Al NUCLEAR REACTIONS 28Si(p, 3He)26Al, E=25 MeV; measured 3He and proton spectra, p(3He)-coin, proton decay branching ratios, differential σ(θ) using SIDAR array at HRIBF facility. 26Al; deduced levels, L-transfers, proton branching ratios. DWBA analysis of σ(θ) data.
doi: 10.1103/PhysRevC.86.014329
2012MO03 Phys.Rev. C 85, 022801 (2012) D.J.Mountford, A.StJ.Murphy, N.L.Achouri, C.Angulo, J.R.Brown, T.Davinson, F.de Oliveira Santos, N.de Sereville, P.Descouvemont, O.Kamalou, A.M.Laird, S.T.Pittman, P.Ujic, P.J.Woods Resonances in 19Ne with relevance to the astrophysically important 18F(p, α)15O reaction NUCLEAR REACTIONS 1H(18F, α), (18F, p), [secondary 18F beam from C(20Ne, X), E=95 MeV/nucleon primary reaction], E(cm)=0.5-1.9 MeV; measured particle spectra, time of flight, differential cross sections at GANIL-SPIRAL facility. 19Ne; deduced resonance energies, J, π, α and proton partial widths, covariance matrix, astrophysical S factor for 18F(p, α)15O reaction. R-matrix analysis. Astrophysical implications. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.85.022801
2012PI11 Phys.Rev. C 85, 065804 (2012) S.T.Pittman, D.W.Bardayan, K.Y.Chae, K.A.Chipps, K.L.Jones, R.L.Kozub, C.Matei, M.Matos, B.H.Moazen, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, P.D.Parker, W.A.Peters, J.F.Shriner, M.S.Smith 26Al+p elastic and inelastic scattering reactions and galactic abundances of 26Al NUCLEAR REACTIONS 26Al(p, p), (p, p'), E(cm)=0.5-1.5 MeV; measured Ep, Ip using SIDAR array at HRIBF, excitation functions, σ(θ), resonances. 27Si; deduced level, resonance, J, π, width. 26Al(p, γ)27Si; deduced reaction rates with new resonance included. Destruction of 26Al in astrophysical environments.
doi: 10.1103/PhysRevC.85.065804
2012SC08 Phys.Rev.Lett. 108, 192701 (2012) K.T.Schmitt, K.L.Jones, A.Bey, S.H.Ahn, D.W.Bardayan, J.C.Blackmon, S.M.Brown, K.Y.Chae, K.A.Chipps, J.A.Cizewski, K.I.Hahn, J.J.Kolata, R.L.Kozub, J.F.Liang, C.Matei, M.Matos, D.Matyas, B.Moazen, C.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Roberts, D.Shapira, J.F.Shriner, Jr., M.S.Smith, I.Spassova, D.W.Stracener, A.N.Villano, G.L.Wilson Halo Nucleus 11Be: A Spectroscopic Study via Neutron Transfer NUCLEAR REACTIONS 2H(10Be, p)11Be, E=60, 75, 90, 107 MeV; measured reaction products, light ejectiles, Ep, Ip; deduced σ(θ), spectroscopic factors for the first excited and halo neutron states. Comparison with available data.
doi: 10.1103/PhysRevLett.108.192701
2011CH56 Phys.Rev. C 84, 059801 (2011) K.A.Chipps, D.W.Bardayan, K.Y.Chae, J.A.Cizewski, R.L.Kozub, J.F.Liang, C.Matei, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, M.S.Smith Comment on "Properties of 26Mg and 26Si in the sd shell model and the determination of the 25Al(p, γ)26Si reaction rate" NUCLEAR REACTIONS 25Al(p, γ)26Si; analyzed and discussed reaction rates for revised level and resonance energy.
doi: 10.1103/PhysRevC.84.059801
2011MO12 Eur.Phys.J. A 47, 66 (2011) B.H.Moazen, C.Matei, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, K.A.Chipps, R.Hatarik, K.L.Jones, R.L.Kozub, M.Matos, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, T.Pelham, W.A.Peters, S.T.Pittman, J.F.Shriner, Jr, M.S.Smith Direct studies of low-energy resonances in 31P(p, α)28Si and 35Cl(p, α)32S NUCLEAR REACTIONS 31P, 35Cl(p, α), (p, γ), E=low; measured E(particle), I(particle), Eα, Iα(t, θ); deduced resonance energies, strengths.
doi: 10.1140/epja/i2011-11066-7
2011OM01 Phys.Rev. C 84, 042801 (2011) P.D.O'Malley, D.W.Bardayan, A.S.Adekola, S.Ahn, K.Y.Chae, J.A.Cizewski, S.Graves, M.E.Howard, K.L.Jones, R.L.Kozub, L.Lindhardt, M.Matos, B.M.Moazen, C.D.Nesaraja, S.D.Pain, W.A.Peters, S.T.Pittman, K.T.Schmitt, J.F.Shriner, Jr., M.S.Smith, I.Spassova, S.Y.Strauss, J.L.Wheeler Search for a resonant enhancement of the 7Be + d reaction and primordial 7Li abundances NUCLEAR REACTIONS 2H(7Be, d), E=10 MeV; measured E(d), I(d), energy loss, differential cross section; search for 5/2+ resonance in 7Be+d system proved negative, R-matrix analysis, deduced upper limit for resonance width. Relevance to cosmological 7Li abundance.
doi: 10.1103/PhysRevC.84.042801
2010BA21 Phys.Rev. C 81, 065802 (2010) D.W.Bardayan, J.C.Blackmon, K.Y.Chae, M.E.Howard, C.Matei, W.Martin, M.Matos, B.H.Moazen, C.D.Nesaraja, W.A.Peters, S.T.Pittman, M.S.Smith, I.Spassova Inelastic 17F(p, p)17F scattering at Ec.m.=3 MeV and the 14O(α, p)17F reaction rate NUCLEAR REACTIONS 1H(17F, X), E=52-58 MeV; measured Q-value spectra
doi: 10.1103/PhysRevC.81.065802
2010CH44 Phys.Rev. C 82, 045803 (2010) K.A.Chipps, D.W.Bardayan, K.Y.Chae, J.A.Cizewski, R.L.Kozub, J.F.Liang, C.Matei, B.H.Moazen, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, K.T.Schmitt, M.S.Smith The 28Si(p, t)26Si*(p) reaction and implications for the astrophysical 25Al(p, γ)26Si reaction rate NUCLEAR REACTIONS 28Si(p, t), E=40 MeV; measured Et, It, Ep, Ip, tp-coin, σ(θ). 26Si; deduced levels, J, π, resonances, l-transfers, and proton decay branching ratios. DWBA analysis. Astrophysical relevance to the reaction rates for 25Al(p, γ).
doi: 10.1103/PhysRevC.82.045803
2010CH46 Phys.Rev. C 82, 047302 (2010) K.Y.Chae, D.W.Bardayan, J.C.Blackmon, K.A.Chipps, R.Hatarik, K.L.Jones, R.L.Kozub, J.F.Liang, C.Matei, B.H.Moazen, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, S.T.Pittman, M.S.Smith Spin assignments to excited states in 22Na through a 24Mg(p, 3He)22Na reaction measurement NUCLEAR REACTIONS 24Mg(p, 3He), E=41, 41.5 MeV; measured E(3He), I(3He), σ(θ), differential σ 22Na; deduced levels, J, π, l-transfers. Distorted-wave Born approximation (DWBA) analysis of s(θ) data.
doi: 10.1103/PhysRevC.82.047302
2009BA59 Eur.Phys.J. A 42, 457 (2009) D.W.Bardayan, K.A.Chipps, R.P.Fitzgerald, J.C.Blackmon, K.Y.Chae, A.E.Champagne, U.Greife, R.Hatarik, R.L.Kozub, C.Matei, B.H.Moazen, C.D.Nesaraja, S.D.Pain, W.A.Peters, S.T.Pittman, J.F.Shriner, M.S.Smith Direct measurements of (p, γ) cross-sections at astrophysical energies using radioactive beams and the Daresbury Recoil Separator NUCLEAR REACTIONS 1H(7Be, γ), (17F, γ), (24Mg, γ), E=12 MeV;7Be, 17F, 24Mg; measured reaction products; deduced yields, σ for (p, γ) reactions.
doi: 10.1140/epja/i2008-10737-8
2009CH17 Phys.Rev.Lett. 102, 152502 (2009) K.A.Chipps, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, U.Greife, R.Hatarik, R.L.Kozub, C.Matei, B.H.Moazen, C.D.Nesaraja, S.D.Pain, W.A.Peters, S.T.Pittman, J.F.Shriner, Jr., M.S.Smith First Direct Measurement of the 17F(p, γ)18Ne Cross Section NUCLEAR REACTIONS 1H(17F, γ), E < 14.3 MeV; measured recoil spectra, cross sections. 17F(p, γ); deduced resonance strengths and reaction rates.
doi: 10.1103/PhysRevLett.102.152502
2009CH28 Phys.Rev. C 79, 055804 (2009) K.Y.Chae, D.W.Bardayan, J.C.Blackmon, K.A.Chipps, R.Hatarik, K.L.Jones, R.L.Kozub, J.F.Liang, C.Matei, B.H.Moazen, C.D.Nesaraja, P.D.O'Malley, S.D.Pain, S.T.Pittman, M.S.Smith Constraint on the astrophysical 18Ne(α, p)21Na reaction rate through a 24Mg(p, t)22Mg measurement NUCLEAR REACTIONS 24Mg(p, t), E=41, 41.5 MeV; measured triton spectra, σ(θ). 22Mg; deduced levels, J, π. DWBA analysis of σ(θ) data. 18Ne(α, p)21Na; deduced reaction rates versus temperature.
doi: 10.1103/PhysRevC.79.055804
2009CH64 Phys.Rev. C 80, 065810 (2009) K.A.Chipps, D.W.Bardayan, C.D.Nesaraja, M.S.Smith, J.C.Blackmon, K.Y.Chae, B.H.Moazen, S.T.Pittman, U.Greife, R.Hatarik, W.A.Peters, R.L.Kozub, J.F.Shriner, Jr., C.Matei, S.D.Pain The 17F(p, γ)18Ne resonant cross section NUCLEAR REACTIONS 1H(17F, γ)18Ne, E=14.3 MeV; 1H(17O, γ)18F, E=18.65 MeV; 20Ne(17O, 20Ne), E=18.65 MeV; measured recoils, σ at HRIBF facility; deduced widths of resonances, abundances of 17,18F and 17O in novae and x-ray bursts, and reaction rates for 17F(π, γ)18Ne reaction; discussed astrophysical implications.
doi: 10.1103/PhysRevC.80.065810
2009PI13 Phys.Rev. C 80, 038801 (2009) S.T.Pittman, D.W.Bardayan, J.C.Blackmon, R.L.Kozub, M.S.Smith Analysis of 25Al energy levels observed in the 28Si(p, α)25Al reaction NUCLEAR REACTIONS 28Si(p, α), E=40, 42 MeV; measured Eα, Iα, σ(θ). 25Al; deduced levels, J, π. DWBA analysis of σ(θ).
doi: 10.1103/PhysRevC.80.038801
2008BA45 Phys.Rev. C 78, 052801 (2008) D.W.Bardayan, P.D.O'Malley, J.C.Blackmon, K.Y.Chae, K.A.Chipps, J.A.Cizewski, R.Hatarik, K.L.Jones, R.L.Kozub, C.Matei, B.H.Moazen, C.D.Nesaraja, S.D.Pain, S.Paulauskas, W.A.Peters, S.T.Pittman, K.T.Schmitt, J.F.Shriner, Jr., M.S.Smith Spectroscopic study of low-lying 16N levels NUCLEAR REACTIONS 2H(15N, p), E=100 MeV; measured particle spectra, σ(θ), spectroscopic factors. 16N; deduced levels, J, π. 15N(n, γ); deduced reaction rate. Comparison with Distorted-Wave Born approximation.
doi: 10.1103/PhysRevC.78.052801
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