NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = D.W.Visser Found 28 matches. 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
2011AD05 Phys.Rev. C 83, 052801 (2011) A.S.Adekola, D.W.Bardayan, J.C.Blackmon, C.R.Brune, K.Y.Chae, C.Domizioli, U.Greife, Z.Heinen, M.J.Hornish, K.L.Jones, R.L.Kozub, R.J.Livesay, Z.Ma, T.N.Massey, B.Moazen, C.D.Nesaraja, S.D.Pain, J.F.Shriner Jr, N.D.Smith, M.S.Smith, J.S.Thomas, D.W.Visser, A.V.Voinov First proton-transfer study of 18F + p resonances relevant for novae NUCLEAR REACTIONS 2H(18F, n), E=150 MeV; measured α- and 15O-particle spectra. α(15O)-coin, σ(θ), DWBA analysis. 19Ne; deduced levels, J, π, L-transfers, resonances, proton and α-widths. 19Ne-19F mirror symmetry. 18F(p, α)15O; deduced reaction rates. Relevance to nova nucleosynthesis of 18F.
doi: 10.1103/PhysRevC.83.052801
2011AD24 Phys.Rev. C 84, 054611 (2011) A.S.Adekola, C.R.Brune, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, C.Domizioli, U.Greife, Z.Heinen, M.J.Hornish, K.L.Jones, R.L.Kozub, R.J.Livesay, Z.Ma, T.N.Massey, B.Moazen, C.D.Nesaraja, S.D.Pain, J.F.Shriner, Jr., N.D.Smith, M.S.Smith, J.S.Thomas, D.W.Visser, A.V.Voinov Single-nucleon transfer reactions on 18F NUCLEAR REACTIONS 2H(18F, n)19Ne, (18F, p)19F, [secondary 18F beam from 16O(α, np)18F, E=85 MeV primary reaction], E=150 MeV; measured particle spectra, (15O)α-, (15N)α-coin, σ(θ), proton. 19F, 19Ne; deduced levels, J, π, l-values, spectroscopic factors, proton widths, asymptotic normalization coefficients, isospin mirror levels. DWBA analysis of σ(θ) data. Monte-Carlo simulations. Comparison with previous studies.
doi: 10.1103/PhysRevC.84.054611
2008VI06 Phys.Rev. C 78, 028802 (2008) D.W.Visser, C.Wrede, J.A.Caggiano, J.A.Clark, C.M.Deibel, R.Lewis, A.Parikh, P.D.Parker Addendum to "Measurement of 23Mg(p, γ)24Al resonance energies" NUCLEAR REACTIONS 23Mg(p, γ), E not given; analyzed resonance energies. 24Al; deduced levels, J, resonances.
doi: 10.1103/PhysRevC.78.028802
2007BA69 Phys.Rev. C 76, 045803 (2007) D.W.Bardayan, J.C.Blackmon, R.P.Fitzgerald, W.R.Hix, K.L.Jones, R.L.Kozub, J.F.Liang, R.J.Livesay, Z.Ma, L.F.Roberts, M.S.Smith, J.S.Thomas, D.W.Visser 30S studied with the 32S(p, t)30S reaction and the 29P(p, γ)30S reaction rate NUCLEAR REACTIONS 32S(p, t), E=37 MeV; measured triton energies, angular distributions. 30S deduced levels, J, π. 29P(p, γ)30S; deduced reaction rates of astrophysical significance.
doi: 10.1103/PhysRevC.76.045803
2007MA48 Phys.Rev. C 76, 015803 (2007); Erratum Phys.Rev. C 76, 039901 (2007) Z.Ma, D.W.Bardayan, J.C.Blackmon, R.P.Fitzgerald, M.W.Guidry, W.R.Hix, K.L.Jones, R.L.Kozub, R.J.Livesay, M.S.Smith, J.S.Thomas, D.W.Visser Astrophysically important 31S states studied with the 32S(p, d)31S reaction NUCLEAR REACTIONS 32S(p, d), E=32 MeV; measured Ed, σ and angular distributions. 31S deduced level energies and spectroscopic factors.
doi: 10.1103/PhysRevC.76.015803
2007TH15 Phys.Rev. C 76, 044302 (2007) J.S.Thomas, G.Arbanas, D.W.Bardayan, J.C.Blackmon, J.A.Cizewski, D.J.Dean, R.P.Fitzgerald, U.Greife, C.J.Gross, M.S.Johnson, K.L.Jones, R.L.Kozub, J.F.Liang, R.J.Livesay, Z.Ma, B.H.Moazen, C.D.Nesaraja, D.Shapira, M.S.Smith, D.W.Visser Single-neutron excitations in neutron-rich 83Ge and 85Se NUCLEAR REACTIONS 2H(82Ge, p), (84Se, p), E=330, 380 MeV; measured Ep, Ip, recoil-proton-coin, angular distributions; deduced asymptotic normalization coefficients, spectroscopic factors. 83Ge, 85Se; deduced levels, J, π, angular momentum using DWBA analysis. 82Ge, 84Se(n, γ), E=0-1 MeV; calculated cross sections.
doi: 10.1103/PhysRevC.76.044302
2007VI16 Phys.Rev. C 76, 065803 (2007) D.W.Visser, C.Wrede, J.A.Caggiano, J.A.Clark, C.Deibel, R.Lewis, A.Parikh, P.D.Parker Measurement of 23Mg(p, γ)24Al resonance energies NUCLEAR REACTIONS 24Mg(3He, t), E=30 MeV/nucleon; measured triton spectra, angular distributions. 24Al; deduced resonance energies, reaction rates. 23Mg(p, γ)24Al; resonance parameters.
doi: 10.1103/PhysRevC.76.065803
2006BA65 Phys.Rev. C 74, 045804 (2006) D.W.Bardayan, J.A.Howard, J.C.Blackmon, C.R.Brune, K.Y.Chae, W.R.Hix, M.S.Johnson, K.L.Jones, R.L.Kozub, J.F.Liang, E.J.Lingerfelt, R.J.Livesay, S.D.Pain, J.P.Scott, M.S.Smith, J.S.Thomas, D.W.Visser Astrophysically important 26Si states studied with the 28Si(p, t)26Si reaction. II. Spin of the 5.914-MeV 26Si level and galactic 26Al production NUCLEAR REACTIONS 28Si(p, t), (p, d), E=40 MeV; measured particle spectra, angular distributions. 26Si level deduced J, π. 25Al(p, γ), E=low; deduced astrophysical reaction rate.
doi: 10.1103/PhysRevC.74.045804
2005CI07 Nucl.Instrum.Methods Phys.Res. B241, 200 (2005) J.A.Cizewski, K.L.Jones, S.D.Pain, J.S.Thomas, C.Baktash, D.W.Bardayan, J.C.Blackmon, C.Gross, J.F.Liang, D.Shapira, M.S.Smith, R.L.Kozub, B.H.Moazen, C.D.Nesaraja, H.K.Carter, M.S.Johnson, R.P.Fitzgerald, D.W.Visser, U.Greife, R.J.Livesay, W.Catford, Z.Ma Neutron transfer reactions with neutron-rich radioactive ion beams NUCLEAR REACTIONS 2H(82Ge, p), (84Se, p), E=4 MeV/nucleon; measured Ep, σ(θ). 83Ge, 85Se deduced ground and excited states energies, J, π.
doi: 10.1016/j.nimb.2005.07.025
2005FI01 Nucl.Phys. A748, 351 (2005) R.Fitzgerald, E.Abbotoy, D.W.Bardayan, J.C.Blackmon, A.E.Champagne, A.A.Chen, U.Greife, D.W.Hill, A.N.James, R.L.Kozub, T.A.Lewis, R.Livesay, Z.Ma, S.L.Mahan, J.W.McConnell, W.T.Milner, B.H.Moazen, P.D.Parker, D.E.Pierce, M.E.Roettger, L.Sahin, D.Shapira, M.S.Smith, F.Strieder, K.B.Swartz, J.S.Thomas, D.W.Visser Studies of (p, γ) reactions with the Daresbury Recoil Separator at ORNL'S HRIBF NUCLEAR REACTIONS 1H(17O, γ), E=12.5 MeV; measured particle spectra; deduced resonance strength. Recoil separator, other reactions discussed.
doi: 10.1016/j.nuclphysa.2004.09.155
2005TH09 Nucl.Phys. A758, 663c (2005) J.S.Thomas, D.W.Bardayan, J.C.Blackmon, J.A.Cizewski, R.P.Fitzgerald, U.Greife, C.J.Gross, M.S.Johnson, K.L.Jones, R.L.Kozub, J.F.Liang, R.J.Livesay, Z.Ma, B.H.Moazen, C.D.Nesaraja, D.Shapira, M.S.Smith, D.W.Visser Neutron Single-Particle States in r-Process Nuclei Near Closed Shells NUCLEAR REACTIONS 2H(84Se, p), (124Sn, p), E=4.5 MeV/nucleon; measured recoil proton spectra, σ(E, θ). 85Se, 125Sn deduced levels, J, π.
doi: 10.1016/j.nuclphysa.2005.05.119
2005TH12 Eur.Phys.J. A 25, Supplement 1, 371 (2005) J.S.Thomas, D.W.Bardayan, J.C.Blackmon, J.A.Cizewski, R.P.Fitzgerald, U.Greife, C.J.Gross, M.S.Johnson, K.L.Jones, R.L.Kozub, J.F.Liang, R.J.Livesay, Z.Ma, B.H.Moazen, C.D.Nesaraja, D.Shapira, M.S.Smith, D.W.Visser Single-neutron excitations in neutron-rich N = 51 nuclei NUCLEAR REACTIONS 2H(82Ge, p), E=4 MeV/nucleon; 2H(84Se, p), E=4.5 MeV/nucleon; measured Ep, recoil particle spectrum, proton angular distribution. 83Ge, 85Se deduced levels J, π, spectroscopic factors. DWBA analysis.
doi: 10.1140/epjad/i2005-06-127-8
2004JO19 Phys.Rev. C 70, 067602 (2004) K.L.Jones, R.L.Kozub, C.Baktash, D.W.Bardayan, J.C.Blackmon, W.N.Catford, J.A.Cizewski, R.P.Fitzgerald, M.S.Johnson, R.J.Livesay, Z.Ma, C.D.Nesaraja, D.Shapira, M.S.Smith, J.S.Thomas, D.W.Visser Study of the 124Sn(d, p) reaction in inverse kinematics close to the Coulomb barrier NUCLEAR REACTIONS 2H(124Sn, p), E=562 MeV; measured Ep, σ(θ). 125Sn deduced levels, spectroscopic factors. DWBA analysis. Comparison with previous results.
doi: 10.1103/PhysRevC.70.067602
2004VI05 Phys.Rev. C 69, 048801 (2004) D.W.Visser, J.A.Caggiano, R.Lewis, W.B.Handler, A.Parikh, P.D.Parker Particle decay branching ratios for states of astrophysical importance in 19Ne NUCLEAR REACTIONS 19F(3He, t), E=25 MeV; measured triton spectra, Ep, Eα, angular distributions from residual nucleus decay. 19Ne levels deduced proton and α decay branching ratios. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.69.048801
2003BL11 Nucl.Phys. A718, 127c (2003) J.C.Blackmon, D.W.Bardayan, W.Bradfield-Smith, R.Brummitt, A.E.Champagne, A.A.Chen, T.Davinson, L.Dessieux, M.W.Guidry, K.I.Hahn, G.M.Hale, W.R.Hix, R.L.Kozub, Z.Ma, P.D.Parker, G.Rajbaidya, R.C.Runkle, C.M.Rowland, A.C.Shotter, M.S.Smith, L.A.Van Wormer, D.W.Visser, P.J.Woods The 14O(α, p)17F Reaction Rate NUCLEAR REACTIONS 1H(17F, 17F), (17F, 17F'), (17F, 14O), E(cm) ≈ 1-4 MeV; measured particle spectra. 17F(p, p'), E(cm)=2-2.5 MeV; deduced σ. 14O(α, p), E=low; deduced astrophysical reaction rate. R-matrix analysis.
doi: 10.1016/S0375-9474(03)00689-4
2002CA24 Phys.Rev. C65, 055801 (2002) J.A.Caggiano, W.Bradfield-Smith, R.Lewis, P.D.Parker, D.W.Visser, J.P.Greene, K.E.Rehm, D.W.Bardayan, A.E.Champagne Identification of New States in 26Si using the 29Si(3He, 6He)26Si Reaction and Consequences for the 25Al(p, γ)26Si Reaction Rate in Explosive Hydrogen Burning Environments NUCLEAR REACTIONS 29Si(3He, 6He), E=51 MeV; measured particle spectra. 26Si deduced levels, J, π. 25Al(p, γ), E=stellar; calculated astrophysical reaction rates.
doi: 10.1103/PhysRevC.65.055801
2002CA36 Phys.Rev. C66, 015804 (2002) J.A.Caggiano, W.Bradfield-Smith, J.P.Greene, R.Lewis, P.D.Parker, K.E.Rehm, D.W.Visser Excitation Energies in 22Mg from the 25Mg(3He, 6He)22Mg Reaction NUCLEAR REACTIONS 25Mg(3He, 6He), E=51 MeV; measured particle spectra. 22Mg deduced level energies. Comparison with previous results.
doi: 10.1103/PhysRevC.66.015804
2001BA49 Phys.Rev. C63, 065802 (2001) D.W.Bardayan, J.C.Blackmon, W.Bradfield-Smith, C.R.Brune, A.E.Champagne, T.Davinson, B.A.Johnson, R.L.Kozub, C.S.Lee, R.Lewis, P.D.Parker, A.C.Shotter, M.S.Smith, D.W.Visser, P.J.Woods Destruction of 18F via 18F(p, α)15O Burning Through the Ec.m. = 665 keV Resonance NUCLEAR REACTIONS 1H(18F, p), (18F, α), E=10-14 MeV; measured particle spectra, σ(θ), σ. 18F(p, α), E(cm)=663 keV; deduced σ. 19Ne deduced resonance energy, width, proton branching ratio. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.63.065802
2001BA59 Nucl.Phys. A688, 475c (2001) D.W.Bardayan, J.C.Blackmon, W.Bradfield-Smith, C.R.Brune, A.E.Champagne, T.Davinson, B.A.Johnson, R.L.Kozub, C.S.Lee, R.Lewis, P.D.Parker, A.C.Shotter, M.S.Smith, D.W.Visser, P.J.Woods Determination of the Properties of the 7.08 MeV State in 19Ne by Measurement of the 1H(18F, p)18F and 1H(18F, α)15O Cross Sections with a Radioactive 18F Beam NUCLEAR REACTIONS 1H(18F, p), (18F, α), E(cm)=500-800 keV; measured σ(θ). 19Ne deduced resonance parameters. Comparison with earlier data.
doi: 10.1016/S0375-9474(01)00760-6
2001BL06 Nucl.Phys. A688, 142c (2001) J.C.Blackmon, D.W.Bardayan, W.Bradfield-Smith, A.E.Champagne, A.A.Chen, T.Davinson, K.I.Hahn, R.L.Kozub, Z.Ma, P.D.Parker, G.Rajbaidya, R.C.Runkle, C.M.Rowland, A.C.Shotter, M.S.Smith, K.B.Swartz, D.W.Visser, P.J.Woods Determination of the 14O(α, p)17Fg.s. Reaction Rate bt Measurement of the 1H(17F, α)14O Cross Section NUCLEAR REACTIONS 1H(17F, α), (17F, p), E(cm)=2-4 MeV; measured σ(θ), reaction rates. 18Ne deduced resonance widths and strengths, comparison with calculations and earlier data.
doi: 10.1016/S0375-9474(01)00686-8
2001CH35 Phys.Rev. C63, 065807 (2001) A.A.Chen, R.Lewis, K.B.Swartz, D.W.Visser, P.D.Parker Structure of 22Mg and Its Implications for Explosive Nucleosynthesis NUCLEAR REACTIONS 12C(16O, 6He), E=90 MeV; measured particle spectra, σ(θ). 22Mg deduced levels, resonances. 18Ne(α, p), E not given; calculated stellar reaction rates.
doi: 10.1103/PhysRevC.63.065807
2001CH43 Nucl.Phys. A688, 146c (2001) A.A.Chen, R.Lewis, K.B.Swartz, D.W.Visser, P.D.Parker The Structure of 22Mg and Its Implications for Explosive Nucleosynthesis NUCLEAR REACTIONS 12C(16O, 6He), E=90 MeV; measured 6He excitation energy spectrum. 18Ne(α, p), E=low; calculated reaction rate at temperatures of astrophysical interest, comparison with previous calculations. 22Mg deduced levels energy.
doi: 10.1016/S0375-9474(01)00687-X
2001VI08 Nucl.Phys. A688, 456c (2001) D.W.Visser, P.D.Parker, W.Bradfield-Smith, R.Lewis Planned Measurement of Particle Branching Ratios of Astrophysically Interesting States in 22Mg
doi: 10.1016/S0375-9474(01)00754-0
2000BA87 Phys.Rev. C62, 042802 (2000) D.W.Bardayan, J.C.Blackmon, W.Bradfield-Smith, C.R.Brune, A.E.Champagne, T.Davinson, B.A.Johnson, R.L.Kozub, C.S.Lee, R.Lewis, P.D.Parker, A.C.Shotter, M.S.Smith, D.W.Visser, P.J.Woods Kinematically Complete Measurement of the 1H(18F, p)18F Excitation Function for the Astrophysically Important 7.08-MeV State in 19Ne NUCLEAR REACTIONS 1H(18F, 18F), E=10-14 MeV; measured proton spectra, yields, (fluorine)(proton)-coin. 19Ne deduced resonance E, Γ. Kinematically complete measurement.
doi: 10.1103/PhysRevC.62.042802
2000BB04 Phys.Rev. C62, 055804 (2000) D.W.Bardayan, J.C.Blackmon, C.R.Brune, A.E.Champagne, A.A.Chen, J.M.Cox, T.Davinson, V.Y.Hansper, M.A.Hofstee, B.A.Johnson, R.L.Kozub, Z.Ma, P.D.Parker, D.E.Pierce, M.T.Rabban, A.C.Shotter, M.S.Smith, K.B.Swartz, D.W.Visser, P.J.Woods The Astrophysically Important 3+ State in 18Ne and the 17F(p, γ)18Ne Stellar Rate NUCLEAR REACTIONS 1H(17F, 17F), (17F, p), E=9-12 MeV; measured recoil proton spectra, angular distributions, (proton)(fluorine)-coin. 18Ne; deduced resonance J, π. 17F(p, γ), E not given; calculated astrophysical reaction rates. 1H(17O, 17O), E=10.1, 12.2 MeV; measured proton angular distributions. Silicon detector array.
doi: 10.1103/PhysRevC.62.055804
1999BA49 Phys.Rev.Lett. 83, 45 (1999) D.W.Bardayan, J.C.Blackmon, C.R.Brune, A.E.Champagne, A.A.Chen, J.M.Cox, T.Davinson, V.Y.Hansper, M.A.Hofstee, B.A.Johnson, R.L.Kozub, Z.Ma, P.D.Parker, D.E.Pierce, M.T.Rabban, A.C.Shotter, M.S.Smith, K.B.Swartz, D.W.Visser, P.J.Woods Observation of the Astrophysically Important 3+ State in 18Ne via Elastic Scattering of a Radioactive 17F Beam from 1H NUCLEAR REACTIONS 1H(17F, 17F), E ≈ 10-12 MeV; measured proton yields, (proton)(fluorine)-coin. 18Ne deduced resonance energy, width. 17F(p, γ), E not given; calculated resonance contribution to proton capture rate. Astrophysical implications discussed.
doi: 10.1103/PhysRevLett.83.45
1994CA48 Nucl.Instrum.Methods Phys.Res. A353, 234 (1994) M.P.Carpenter, T.L.Khoo, I.Ahmad, R.V.F.Janssens, T.Lauritsen, G.A.Annan, A.N.Baxter, M.E.Bleich, S.Harfenist, E.F.Moore, M.Torelli, D.W.Visser Test and Performance of a BGO Compton-Suppression Shield for GAMMASPHERE RADIOACTIVITY 137Cs(β-); 60Co(β-); measured Eγ, Iγ; deduced BGO Compton-suppression shield performance characteristics.
doi: 10.1016/0168-9002(94)91645-4
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