NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = W.Geist Found 15 matches. 2002FL03 Phys.Rev. C 66, 057601 (2002) K.A.Fletcher, C.R.Brune, B.M.Fisher, R.P.Fitzgerald, H.J.Karwowski, D.S.Leonard, E.J.Ludwig, R.C.Runkle, M.H.Wood, W.H.Geist, K.D.Veal, G.M.Hale Kyy'(O°) for 3He(d, p)4He near the Jπ=3/2+ resonance NUCLEAR REACTIONS 3He(polarized d, p), E=520, 890, 1490 keV; measured polarization transfer coefficient. 5Li deduced resonance.
doi: 10.1103/PhysRevC.66.057601
2001BR12 Phys.Rev. C63, 044013 (2001) C.R.Brune, W.H.Geist, H.J.Karwowski, E.J.Ludwig, K.D.Veal, M.H.Wood, A.Kievsky, S.Rosati, M.Viviani Proton-Deuteron Elastic Scattering at Low Energies NUCLEAR REACTIONS 2H(polarized p, p), E=431.3-2000 keV; measured σ(θ), analyzing power vector and tensor components. Comparison with calculations using hyperspherical harmonic basis and different nuclear potentials.
doi: 10.1103/PhysRevC.63.044013
2001BR22 Nucl.Phys. A688, 263c (2001) C.R.Brune, J.Daly, R.Detwiler, B.Fisher, W.H.Geist, J.Gorres, H.J.Karwowski, R.W.Kavanagh, D.S.Leonard, P.Tischhauser, K.D.Veal, M.Wiescher Using Sub-Coulomb α Transfer Reactions to Study the Low-Energy 12C(α, γ)16O S-Factor NUCLEAR REACTIONS 12C(6Li, d), (7Li, t), E=2.7-7.0 MeV; measured Eγ, σ(θ), reduced α widths. 12C(α, γ), E=0-5 MeV; calculated E1 and E2 S-factors following R-matrix fits.
doi: 10.1016/S0375-9474(01)00711-4
2000CR01 Phys.Rev. C61, 034006 (2000) B.J.Crowe III, C.R.Brune, W.H.Geist, H.J.Karwowski, E.J.Ludwig, K.D.Veal, A.C.Fonseca, G.M.Hale, K.A.Fletcher Analyzing Powers for 2H(d(pol), d)2H at Deuteron Energies of 3.0, 4.75, and 6.0 MeV NUCLEAR REACTIONS 2H(polarized d, d), E=3.0, 4.75, 6.0 MeV; measured tensor analyzing powers vs θ; deduced nucleon-nucleon p-wave contributions. R matrix parameterization, microscopic four-body calculations.
doi: 10.1103/PhysRevC.61.034006
2000FL08 Nucl.Instrum.Methods Phys.Res. A455, 620 (2000) K.A.Fletcher, W.H.Geist, C.R.Brune, B.M.Fisher, R.P.Fitzgerald, H.J.Karwowski, D.E.Kruse, D.S.Leonard, E.J.Ludwig, R.C.Runkle, K.D.Veal, M.H.Wood A Proton Polarimeter for 3He(d, p)4He Polarization Transfer Studies NUCLEAR REACTIONS 3He(d, p), E=430 keV; measured proton polarization, effective analyzing power vs Ep. Comparison with Monte Carlo simulation.
doi: 10.1016/S0168-9002(00)00569-6
1999BR46 Phys.Rev.Lett. 83, 4025 (1999) C.R.Brune, W.H.Geist, R.W.Kavanagh, K.D.Veal Sub-Coulomb α Transfers on 12C and the 12C(α, γ)16O S Factor NUCLEAR REACTIONS 12C(6Li, d), E=2.7-7.0 MeV; 12C(7Li, t), E=4.75-7.0 MeV; measured Eγ, σ. 16O levels deduced α-widths. 12C(α, γ), E=low; deduced reaction S-factors. Nuclear Astrophysics.
doi: 10.1103/PhysRevLett.83.4025
1999GE19 Phys.Rev. C60, 054003 (1999); Erratum Phys.Rev. C67, 059904 (2003) W.H.Geist, C.R.Brune, H.J.Karwowski, E.J.Ludwig, K.D.Veal, G.M.Hale The 3He(d(pol), p)4He Reaction at Low Energies NUCLEAR REACTIONS 3H(polarized d, p), E=60-641 keV; measured σ(E, θ), Ay(E, θ), Azz(E, θ), Ayy(E, θ), Axz(E, θ); deduced low-energy S-factor, electron screening potential. 5Li deduced levels, J, π. R-matrix analysis.
doi: 10.1103/PhysRevC.60.054003
1999KA46 Acta Phys.Pol. B30, 1479 (1999) H.J.Karwowski, C.R.Brune, W.H.Geist, E.J.Ludwig, K.D.Veal, M.H.Wood, A.Kievsky, S.Rosati, M.Viviani, T.C.Black New Physics in p-d Elastic Scattering at Low Energies NUCLEAR REACTIONS 2H(polarized p, p), E(cm)=0.163-2 MeV; 1H(polarized d, d), E(cm)=0.163-2 MeV; measured σ, vector and tensor analyzing powers; deduced NN potential features, role of 3-body force. Pair-Correlated Hyperspherical Harmonic Calculations. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0801. 1999VE11 Phys.Rev. C60, 064003 (1999) K.D.Veal, C.R.Brune, W.H.Geist, H.J.Karwowski, E.J.Ludwig, E.E.Bartosz, P.D.Cathers, T.L.Drummer, K.W.Kemper, A.M.Eiro, F.D.Santos, B.Kozlowska, H.J.Maier, I.J.Thompson Determination of the Asymptotic D- to S-State Ratio for 6Li via (6Li(pol), d) Transfer Reactions NUCLEAR REACTIONS 40Ca, 58Ni(polarized 6Li, d), E=34 MeV; measured deuteron spectra, σ(E, θ), Ay(θ), tensor analyzing powers. 6Li deduced asymptotic D- to S-state ratio. DWBA analysis.
doi: 10.1103/PhysRevC.60.064003
1998BR10 Phys.Rev. C57, 3437 (1998) C.R.Brune, W.H.Geist, H.J.Karwowski, E.J.Ludwig, K.D.Veal 9Be(p(pol), d)8Be and 9Be(p(pol), α)6Li Reactions at Low Energies NUCLEAR REACTIONS 9Be(polarized p, d), (polarized p, α), E=77-321 keV; measured σ(θ), A(y)(θ); deduced reaction mechanism. R-matrix, DWBA analyses. Implications for stellar reaction rates discussed.
doi: 10.1103/PhysRevC.57.3437
1998BR11 Phys.Lett. 428B, 13 (1998) C.R.Brune, W.H.Geist, H.J.Karwowski, E.J.Ludwig, K.D.Veal, M.H.Wood, A.Kievsky, S.Rosati, M.Viviani Possible Three-Nucleon Force Effects in D-P Scattering at Low Energies NUCLEAR REACTIONS 2H(polarized p, p), E(cm)=432 keV; measured A(y)(θ), iT11(θ); deduced possible three-nucleon force effects.
doi: 10.1016/S0370-2693(98)00370-0
1998VE03 Phys.Rev.Lett. 81, 1187 (1998) K.D.Veal, C.R.Brune, W.H.Geist, H.J.Karwowski, E.J.Ludwig, A.J.Mendez, E.E.Bartosz, P.D.Cathers, T.L.Drummer, K.W.Kemper, A.M.Eiro, F.D.Santos, B.Kozlowska, H.J.Maier, I.J.Thompson Deformation Effects in 6Li NUCLEAR REACTIONS 58Ni(polarized 6Li, d), E=34 MeV; analyzed σ(θ), A(y)(θ), A(zz)(θ), A(xz)(θ). 6Li deduced asymptototic D- to S-state ratio. DWBA analysis.
doi: 10.1103/PhysRevLett.81.1187
1996GE11 Z.Phys. C71, 45 (1996) An Analysis of (p-bar), (Λ-bar), (Ξ-bar) and (Ω-bar) Production in pp and p-Nucleus Collisions at Lab Momenta between 32 and 800 GeV/c NUCLEAR REACTIONS 1H, 197Au, 9Be, Pb, S, Xe, Ne(p, X), E at 32-800 GeV/c; analyzed p-bar, anti-hyperon production data. Extrapolation from pp-results to heavier targets.
1996GE15 Nucl.Instrum.Methods Phys.Res. B111, 176 (1996) W.H.Geist, Z.Ayer, A.C.Hird, E.J.Ludwig, M.Wood, K.A.Fletcher Ion Implanted 3He Targets for Very Low Energy Experiments NUCLEAR REACTIONS 3He(polarized d, p), E=322 keV; measured A(yy)(θ); deduced target characteristics. 3He ions implanted in tantalum, aluminum.
doi: 10.1016/0168-583X(95)01268-0
1995GE16 Nucl.Instrum.Methods Phys.Res. A365, 36 (1995) W.Geist, Z.Ayer, A.C.Hird, H.J.Karwowski, E.J.Ludwig A Deuteron Tensor Polarimeter for Low-Energy Experiments NUCLEAR REACTIONS 3He(polarized d, p), E=121-311 keV; measured tensor analyzing power vs θ; deduced polarimeter calibration.
doi: 10.1016/0168-9002(95)00456-4
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