NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = E.J.Stephenson Found 127 matches. Showing 1 to 100. [Next]2021HA20 Phys.Rev. C 103, 045502 (2021) M.T.Hassan, W.A.Byron, G.Darius, C.DeAngelis, F.E.Wietfeldt, B.Collett, G.L.Jones, A.Komives, G.Noid, E.J.Stephenson, F.Bateman, M.S.Dewey, T.R.Gentile, M.P.Mendenhall, J.S.Nico Measurement of the neutron decay electron-antineutrino angular correlation by the aCORN experiment RADIOACTIVITY 1n(β-); measured E(β-), E(p), asymmetry in proton time-of-flight for (proton)(β-)-delayed coincidence events, and the (electron)(antineutrino)(θ) using aCORN method at the high-flux cold neutron beam on the new NG-C neutron guide end position at the NIST Center for Neutron Research; deduced 'a' coefficient of electron-antineutrino correlation, and the ratio of weak coupling constant λ=GA/GV. Comparison with previous experimental results since 1978, and with the PDG evaluation.
doi: 10.1103/PhysRevC.103.045502
2021RA10 Eur.Phys.J. A 57, 119 (2021) R.Ramazani-Sharifabadi, A.Ramazani-Moghaddam-Arani, H.R.Amir-Ahmadi, C.D.Bailey, A.Deltuva, M.Eslami-Kalantari, N.Kalantar-Nayestanaki, St.Kistryn, A.Kozela, M.Mahjour-Shafiei, H.Mardanpour, J.G.Messchendorp, M.Mohammadi-Dadkan, E.Stephan, E.J.Stephenson, H.Tavakoli-Zaniani Precision measurements of differential cross sections and analyzing powers in elastic deuteron-deuteron scattering at 65 MeV/nucleon NUCLEAR REACTIONS 2H(polarized d, d), E=65 MeV/nucleon; measured reaction products; deduced σ, σ(θ), analyzing powers.
doi: 10.1140/epja/s10050-021-00420-z
2019BA01 Phys.Rev. C 99, 015502 (2019) A.D.Bacher, M.A.Pickar, E.J.Stephenson, C.E.Allgower, C.M.Lavelle, H.Nann, J.Olmsted, P.V.Pancella, T.Rinckel Measurement of the charge symmetry breaking d+d → 4He + π0 reaction near threshold NUCLEAR REACTIONS 2H(d, απ0), E=228.5, 231.8 MeV; measured Eγ, Iγ, Eα, Iα, total σ(E) for π0 production, (particle)γγ-coin using lead-glass Cerenkov counters, triggering and time of flight (TOF) using plastic scintillators at the Indiana University Cyclotron Facility (IUCF). Reconstruction of the π0 missing mass. Detection of charge symmetry breaking (CSB) events. GEANT4 simulations.
doi: 10.1103/PhysRevC.99.015502
2017DA16 Phys.Rev.Lett. 119, 042502 (2017) G.Darius, W.A.Byron, C.R.DeAngelis, M.T.Hassan, F.E.Wietfeldt, B.Collett, G.L.Jones, M.S.Dewey, M.P.Mendenhall, J.S.Nico, H.Park, A.Komives, E.J.Stephenson Measurement of the Electron-Antineutrino Angular Correlation in Neutron β Decay RADIOACTIVITY 1NN(β-); measured decay products, Ep, Ip, Eβ, Iβ; deduced wishbone asymmetry, electron-antineutrino angular correlation (a coefficient). aCORN experiment, comparison with available data.
doi: 10.1103/PhysRevLett.119.042502
2015FU08 Phys.Rev. C 91, 064316 (2015) Y.Fujita, H.Fujita, T.Adachi, G.Susoy, A.Algora, C.L.Bai, G.Colo, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Nakada, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, H.Sagawa, P.Sarriguren, C.Scholl, Y.Shimbara, E.J.Stephenson, T.Suzuki, A.Tamii, J.H.Thies, K.Yoshida, R.G.T.Zegers, J.Zenihiro High-resolution study of Gamow-Teller excitations in the 42Ca (3He, t) 42Sc reaction and the observation of a "low-energy super-Gamow-Teller state" NUCLEAR REACTIONS 42Ca(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ) using Grand Raiden spectrometer at RCNP facility. 42Sc; deduced levels, J, π, IAS, isospin of excited GT states, L-transfers, B(GT), configurations. Comparison of B(GT) values with those for 44,48Sc, and from 42Ti β+ decay to 42Sc. Isospin assignments made in comparison with results from 42Ca(p, p') reaction. Comparison with shell-model calculations using GXPF1J interaction. 12N, 16F, 40,44Sc; observed peaks from contaminants in the target material, and appropriate corrections applied to triton spectra for 42Sc.
doi: 10.1103/PhysRevC.91.064316
2013FU08 Phys.Rev. C 88, 014308 (2013) Y.Fujita, T.Adachi, H.Fujita, A.Algora, B.Blank, M.Csatlos, J.M.Deaven, E.Estevez Aguado, E.Ganioglu, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, C.Scholl, Y.Shimbara, E.J.Stephenson, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro High-resolution study of TZ = +2 → +1 Gamow-Teller transitions in the 44Ca(3He, t)44Sc reaction NUCLEAR REACTIONS 44Ca(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ) using Grand Raiden magnetic spectrometer at RCNP facility. 44Sc; deduced levels, IAS, L transfers, J, π, B(GT) strengths, Ikeda sum rule for B(GT). Comparison with data from 44Ca(p, p'), E=200 MeV reaction populating T=1 states in 44Ca. Comparison with shell-model calculations using GXPF1J effective interaction. Discussed double isobaric analog state in 44Ca, and analog states in A=44 system of 44K, 44Ca, 44Sc, 44Ti, 44V, 44Cr nuclei. RADIOACTIVITY 44Cr(β+), (β+p); deduced half-life of 44Cr, and β+ spectrum based on B(GT) from 44Ca(3He, t) reaction; compared β+ spectrum with measured delayed-proton spectrum.
doi: 10.1103/PhysRevC.88.014308
2013RA22 Phys.Lett. B 725, 282 (2013) A.Ramazani-Moghaddam-Arani, M.Mahjour-Shafiei, H.R.Amir-Ahmadi, A.D.Bacher, C.D.Bailey, A.Biegun, M.Eslami-Kalantari, I.Gasparic, L.Joulaeizadeh, N.Kalantar-Nayestanaki, St.Kistryn, A.Kozela, H.Mardanpour, J.G.Messchendorp, A.M.Micherdzinska, H.Moeini, S.V.Shende, E.Stephan, E.J.Stephenson, R.Sworst Spin observables in the three-body break-up process near the quasi-free limit in deuteron-deuteron scattering NUCLEAR REACTIONS 2H(polarized d, d), (polarized d, np), E=65 MeV/nucleon; 1H(polarized d, dp), E=65 MeV/nucleon; measured reaction products, En, In; deduced σ, vector- and tensor-analyzing power. Comparison with available data, Faddeev calculations.
doi: 10.1016/j.physletb.2013.07.041
2012AD03 Phys.Rev. C 85, 024308 (2012) T.Adachi, Y.Fujita, A.D.Bacher, G.P.A.Berg, T.Black, D.De Frenne, C.C.Foster, H.Fujita, K.Fujita, K.Hatanaka, M.Honma, E.Jacobs, J.Janecke, K.Kanzaki, K.Katori, K.Nakanishi, A.Negret, T.Otsuka, L.Popescu, D.A.Roberts, Y.Sakemi, Y.Shimbara, Y.Shimizu, E.J.Stephenson, Y.Tameshige, A.Tamii, M.Uchida, H.Ueno, T.Yamanaka, M.Yosoi, K.O.Zell High-resolution study of Gamow-Teller transitions via the 54Fe(3He, t)54Co reaction NUCLEAR REACTIONS 54Fe(3He, t), E=140 MeV/nucleon; measured triton spectra, angular distributions, yields. 54Co; deduced levels, l-transfers, Gamow-Teller excitations, B(GT), B(M1)/B(GT), isospin analog states. 54Fe(p, p'), E=160 MeV; measured Ep, Ip, yields. 54Fe; deduced levels, J, π, B(M1), isospin analog states, R(GT) values. Isoscalar and Isovector orbital terms. RCNP facility. Comparison with data from 54Fe(β-), (e, e'), (p, n), and with shell model calculations.
doi: 10.1103/PhysRevC.85.024308
2011RA01 Phys.Rev. C 83, 024002 (2011) A.Ramazani-Moghaddam-Arani, H.R.Amir-Ahmadi, A.D.Bacher, C.D.Bailey, A.Biegun, M.Eslami-Kalantari, I.Gasparic, L.Joulaeizadeh, N.Kalantar-Nayestanaki, St.Kistryn, A.Kozela, H.Mardanpour, J.G.Messchendorp, A.M.Micherdzinska, H.Moeini, S.V.Shende, E.Stephan, E.J.Stephenson, R.Sworst Three-body break-up in deuteron-deuteron scattering at 65 MeV/nucleon NUCLEAR REACTIONS 2H(polarized d, d), (polarized d, X)E=65 MeV/nucleon; measured particle spectra, σ, (particle)(particle)-coin, TOF, vector and tensor polarizations of the beam, E(d)(θ, φ) - E(p)(θ, φ) correlations using Big Instrument for Nuclear-polarization Analysis (BINA) system; deduced vector and tensor analyzing powers (T22, T20, iT11), multibody final states. Three-body breakup mechanism.
doi: 10.1103/PhysRevC.83.024002
2008RA17 Phys.Rev. C 78, 014006 (2008) A.Ramazani-Moghaddam-Arani, H.R.Amir-Ahmadi, A.D.Bacher, C.D.Bailey, A.Biegun, M.Eslami-Kalantari, I.Gasparic, L.Joulaeizadeh, N.Kalantar-Nayestanaki, St.Kistryn, A.Kozela, H.Mardanpour, J.G.Messchendorp, A.M.Micherdzinska, H.Moeini, S.V.Shende, E.Stephan, E.J.Stephenson, R.Sworst Elastic proton-deuteron scattering at intermediate energies NUCLEAR REACTIONS 2H(polarized p, d), E=135 MeV; 1H(polarized d, d), E=65 MeV/nucleon; measured s(θ), vector and scalar analyzing powers, scattering angle. Comparison with existing data.
doi: 10.1103/PhysRevC.78.014006
2007FU04 Phys.Rev. C 75, 034310 (2007) H.Fujita, Y.Fujita, T.Adachi, A.D.Bacher, G.P.A.Berg, T.Black, E.Caurier, C.C.Foster, H.Fujimura, K.Hara, K.Harada, K.Hatanaka, J.Janecke, J.Kamiya, Y.Kanzaki, K.Katori, T.Kawabata, K.Langanke, G.Martinez-Pinedo, T.Noro, D.A.Roberts, H.Sakaguchi, Y.Shimbara, T.Shinada, E.J.Stephenson, H.Ueno, T.Yamanaka, M.Yoshifuku, M.Yosoi Isospin structure of Jπ = 1+ states in 58Ni and 58Cu studied by 58Ni(p, p') and 58Ni(3He, t)58Cu measurements NUCLEAR REACTIONS 58Ni(p, p'), E=160 MeV; measured Ep, σ(θ=0°). 58Ni(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ=0°). 58Ni, 58Cu deduced 1+ level energies, B(GT), isospin symmetry features. Comparison with shell model predictions.
doi: 10.1103/PhysRevC.75.034310
2007MI15 Phys.Rev. C 75, 054001 (2007) A.M.Micherdzinska, P.V.Pancella, E.J.Stephenson, A.D.Bacher, C.E.Allgower, A.C.Fonseca, C.M.Lavelle, H.Nann, J.Olmsted, M.A.Pickar, A.Smith Deuteron-deuteron elastic scattering at 231.8 MeV NUCLEAR REACTIONS 2H(d, d), E=231.8 MeV; measured σ, angular distributions and analyzing powers. Compared results to calculations.
doi: 10.1103/PhysRevC.75.054001
2007SO06 Phys.Rev. C 75, 034611 (2007) D.S.Sorenson, J.L.Ullmann, A.Ling, B.K.Park, R.C.Haight, N.S.P.King, R.A.Lindgren, H.Baghaei, E.J.Stephenson, F.P.Brady, J.L.Romero, J.Rapaport, B.L.Clausen, C.Wuest, F.Sammarruca Limitations of the distorted-wave impulse approximation in describing the energy dependence of the 10B(n, p)10Be(g.s.) reaction NUCLEAR REACTIONS 10B(n, p), E=70240 MeV; measured σ(E, θ). Comparison with zero- and finite-range DWIA predictions.
doi: 10.1103/PhysRevC.75.034611
2006MI33 Ann.Rev.Nucl.Part.Sci. 56, 253 (2006) G.A.Miller, A.K.Opper, E.J.Stephenson Charge Symmetry Breaking and QCD
doi: 10.1146/annurev.nucl.56.080805.140446
2006OK03 Phys.Lett. B 638, 450 (2006) H.Okada, I.G.Alekseev, A.Bravar, G.Bunce, S.Dhawan, R.Gill, W.Haeberli, O.Jinnouchi, A.Khodinov, Y.Makdisi, A.Nass, N.Saito, E.J.Stephenson, D.N.Svirida, T.Wise, A.Zelenski Measurement of the analyzing power AN in pp elastic in the CNI region with a polarized atomic hydrogen gass jet target NUCLEAR REACTIONS 1H(polarized p, X), E(cm)=13.7 GeV; measured analysing powers, momentum-transfer dependence. Comparison with Coulomb nuclear interference calculations.
doi: 10.1016/j.physletb.2006.06.008
2006SA38 Phys.Rev. C 74, 044003 (2006) M.Sarsour, T.Peterson, M.Planinic, S.E.Vigdor, C.Allgower, B.Bergenwall, J.Blomgren, T.Hossbach, W.W.Jacobs, C.Johansson, J.Klug, A.V.Klyachko, P.Nadel-Turonski, L.Nilsson, N.Olsson, S.Pomp, J.Rapaport, T.Rinckel, E.J.Stephenson, U.Tippawan, S.W.Wissink, Y.Zhou Measurement of the absolute differential cross section for np elastic scattering at 194 MeV NUCLEAR REACTIONS 1H(n, n), E=194 MeV; measured backscattering σ(θ). Comparison with previous results.
doi: 10.1103/PhysRevC.74.044003
2005BE43 Phys.Rev. C 71, 064607 (2005) A.C.Betker, S.Chang, E.J.Stephenson, A.D.Bacher, S.M.Bowyer, W.A.Franklin, J.Liu, C.Olmer, D.L.Prout, S.P.Wells, S.W.Wissink, C.Yu, R.A.Lindgren, H.Baghaei, V.Gladyshev, J.A.Carr, S.K.Yoon, F.Petrovich, B.L.Clausen, J.Lisantti Reaction mechanism for natural parity (p, p') transitions in 10B NUCLEAR REACTIONS 10B(polarized p, p), (polarized p, p'), E=197 MeV; measured σ(E, θ), analyzing power, polarization transfer coefficients. Comparison with model predictions.
doi: 10.1103/PhysRevC.71.064607
2005SA06 Phys.Rev.Lett. 94, 082303 (2005) M.Sarsour, T.Peterson, M.Planinic, S.E.Vigdor, C.Allgower, B.Bergenwall, J.Blomgren, T.Hossbach, W.W.Jacobs, C.Johansson, J.Klug, A.V.Klyachko, P.Nadel-Turonski, L.Nilsson, N.Olsson, S.Pomp, J.Rapaport, T.Rinckel, E.J.Stephenson, U.Tippawan, S.W.Wissink, Y.Zhou Measurement of the Absolute np Scattering Differential Cross Section at 194 MeV NUCLEAR REACTIONS 1H(n, n), E=194 MeV; measured σ(θ). Tagged beam, comparisons with previous results and model predictions.
doi: 10.1103/PhysRevLett.94.082303
2005ST01 Phys.Rev. C 71, 014612 (2005) E.J.Stephenson, R.C.Johnson, F.Sammarruca Inclusion of nonspherical components of the Pauli blocking operator in (p, p') reactions NUCLEAR REACTIONS 40Ca(p, p'), E=100, 200 MeV; calculated σ(θ), analyzing powers. Nonspherical Pauli blocking operator.
doi: 10.1103/PhysRevC.71.014612
2004PE18 Nucl.Instrum.Methods Phys.Res. A527, 432 (2004) T.Peterson, S.E.Vigdor, C.Allgower, B.Bergenwall, L.C.Bland, J.Blomgren, J.Doskow, T.Hossbach, W.W.Jacobs, C.Johansson, T.Kinashi, J.Klug, A.V.Klyachko, P.Nadel-Turonski, L.Nilsson, N.Olsson, M.Planinic, S.Pomp, J.Rapaport, T.Rinckel, E.J.Stephenson, U.Tippawan, S.W.Wissink, Y.Zhou Development of a tagged neutron facility at intermediate energies NUCLEAR REACTIONS 2H(p, 2p), E=200 MeV; measured proton spectra; deduced neutron spectrum, angular distribution. 1H(n, n), E ≈ 193 MeV; measured σ(θ). Tagged neutron beam facility.
doi: 10.1016/j.nima.2004.03.194
2003BE50 Nucl.Phys. A718, 608c (2003) G.P.A.Berg, K.Hatanaka, M.Wiescher, H.Schatz, T.Adachi, A.D.Bacher, C.C.Foster, Y.Fujita, H.Fujita, K.Fujita, J.Gorres, Ch.Herman, J.Kamiya, N.Sakamoto, Y.Sakemi, Y.Shimbara, Y.Shimizu, E.J.Stephenson, T.Wakasa, M.Yosoi Resonance States in 22Mg for Reaction Rates in the rp-Process NUCLEAR REACTIONS 24Mg(α, 6He), E=206 MeV; measured excitation energy spectrum. 22Mg deduced levels. Astrophysical implications discussed.
doi: 10.1016/S0375-9474(03)00900-X
2003ST16 Phys.Rev.Lett. 91, 142302 (2003) E.J.Stephenson, A.D.Bacher, C.E.Allgower, A.Gardestig, C.M.Lavelle, G.A.Miller, H.Nann, J.Olmsted, P.V.Pancella, M.A.Pickar, J.Rapaport, T.Rinckel, A.Smith, H.M.Spinka, U.van Kolck Observation of the Charge Symmetry Breaking d + d → 4He + π0 Reaction Near Threshold NUCLEAR REACTIONS 2H(d, π0), (d, 2γ), E=228.5, 231.8 MeV; measured missing mass spectra, pion production total σ; deduced charge symmetry breaking features.
doi: 10.1103/PhysRevLett.91.142302
2002FU21 Prog.Theor.Phys.(Kyoto), Suppl. 146, 473 (2002) Y.Fujita, G.P.A.Berg, A.D.Bacher, T.Black, C.C.Foster, H.Fujimura, H.Fujita, K.Hara, K.Hatanaka, J.Janecke, J.Kamiya, K.Katori, T.Kawabata, W.Lozowski, T.Noro, D.A.Roberts, Y.Shimbara, E.J.Stephenson, H.Ueno, T.Yamanaka, M.Yosoi Isospin Symmetry in the Structure Study of Unstable Nuclei NUCLEAR REACTIONS 27Al(3He, t), E=150 MeV/nucleon; 27Al(p, p'), E=160 MeV; measured triton and proton spectra, σ(θ=0°). 27Al, 27Si, 27Mg, 27P deduced analog states features.
doi: 10.1143/PTPS.146.473
2002SA18 Phys.Rev. C65, 047601 (2002) F.Sammarruca, D.Alonso, E.J.Stephenson Comparison between Chiral and Meson-Theoretic Nucleon-Nucleon Potentials Through (p, p') Reactions NUCLEAR REACTIONS 16O, 40Ca(p, p'), E=200 MeV; calculated σ(θ), polarization observables. Comparison of chiral and one-boson-exchange potentials.
doi: 10.1103/PhysRevC.65.047601
2002WA23 Phys.Rev. C66, 014606 (2002) X.Wang, J.Rapaport, M.Palarczyk, C.Hautala, X.Yang, D.L.Prout, B.Anderson, A.R.Baldwin, J.Olmsted, J.W.Watson, W.-M.Zhang, I.Van Heerden, E.J.Stephenson, R.Howes, S.Parks, E.Sugarbaker, B.A.Brown, F.Sammarruca Polarization Transfer Measurements for the 13C(p(pol), n(pol))13N Reaction at 197 MeV and Empirical Isovector Spin-Longitudinal Response for the (1/2)g.s.- → (1/2)1+ Transition NUCLEAR REACTIONS 13C(polarized p, n), E=197 MeV; measured excitation energy spectra, σ(E, θ), polarization transfer coefficients. 13N deduced transitions spin-transverse and spin-longitudinal components. Comparison with model predictions.
doi: 10.1103/PhysRevC.66.014606
2001FU07 Nucl.Phys. A687, 311c (2001) Y.Fujita, T.Adachi, H.Akimune, A.D.Bacher, G.P.A.Berg, T.Black, I.Daito, C.C.Foster, H.Fujimura, H.Fujita, M.Fujiwara, K.Hara, K.Harada, M.N.Harakeh, K.Hatanaka, T.Inomata, J.Janecke, J.Kamiya, Y.Kanzaki, K.Katori, T.Kawabata, W.Lozowski, K.Nagayama, T.Noro, D.A.Roberts, H.Sakaguchi, Y.Shimbara, T.Shinada, E.J.Stephenson, A.Tamii, K.Tamura, M.Tanaka, H.Ueno, T.Wakasa, T.Yamanaka, M.Yoshifuku, M.Yosoi Isospin Symmetry-Structure Study at New High-Resolution Course of RCNP NUCLEAR REACTIONS 27Al(3He, t), E=150 MeV/nucleon; 27Al(p, p'), E=160 MeV; measured excitation energy spectra Gamow-Teller strength distributions, M1 strength distributions, resonance parameters.
doi: 10.1016/S0375-9474(01)00637-6
2001MI33 Phys.Rev. C64, 054608 (2001) D.N.Mihailidis, N.M.Hintz, A.Sethi, E.J.Stephenson High Spin Two-Neutron-Hole States via the 208Pb(p, t)206Pb Reaction at 120 MeV NUCLEAR REACTIONS 208Pb(polarized p, t), E=120 MeV; measured σ(E, θ), Ay(E, θ). 206Pb deduced levels, J, π, spectroscopic factors. DWBA analysis, comparison with shell model predictions.
doi: 10.1103/PhysRevC.64.054608
2001OP01 Phys.Rev. C63, 034614 (2001) A.K.Opper, S.W.Wissink, A.D.Bacher, J.Lisantti, C.Olmer, R.Sawafta, E.J.Stephenson, S.P.Wells Measurements of the Spin Observables DNN', P, and Ay in Inelastic Proton Scattering from 12C and 16O at 198 MeV NUCLEAR REACTIONS 12C, 16O(polarized p, p'), E=198 MeV; measured proton spectra, σ(θ), Ay(θ), other spin observables; deduced reaction mechanism features. Comparison with DWIA calculations.
doi: 10.1103/PhysRevC.63.034614
2001SA48 Phys.Rev. C64, 034006 (2001) Δ Isobars and (p, p') Reactions NUCLEAR REACTIONS 16O, 28Si, 40Ca(p, p'), E=200 MeV; calculated σ(E, θ), polarization observables, role of Δ-isobar coupling. Comparisons with data.
doi: 10.1103/PhysRevC.64.034006
2000PE14 Nucl.Phys. A663-664, 1057c (2000) T.Peterson, L.C.Bland, J.Blomgren, W.W.Jacobs, T.Kinashi, A.Klyachko, P.Nadel-Turonski, L.Nilsson, N.Olsson, J.Rapaport, T.Rinckel, E.J.Stephenson, S.E.Vigdor, S.W.Wissink, Y.Zhou Development of a Tagged Neutron Facility for Neutron Scattering Experiments at Intermediate Energies
doi: 10.1016/S0375-9474(99)00769-1
2000SA02 Phys.Rev. C61, 014309 (2000) F.Sammarruca, E.J.Stephenson, K.Jiang, J.Liu, C.Olmer, A.K.Opper, S.W.Wissink Testing Microscopic Medium Effects on Nucleons and Mesons using Polarization Observables in High-Spin, Unnatural-Parity (p(pol), p(pol)') Reactions at 200 MeV NUCLEAR REACTIONS 16O, 28Si(polarized p, p'), E=200 MeV; calculated σ(E, θ), polarization observables; deduced medium effects. DWIA approach, comparisons with data.
doi: 10.1103/PhysRevC.61.014309
2000SA30 Phys.Rev. C62, 014614 (2000) F.Sammarruca, X.Meng, E.J.Stephenson Exact Treatment of the Pauli Exclusion Operator in Nuclear Matter
doi: 10.1103/PhysRevC.62.014614
2000WI06 Nucl.Phys. A663-664, 537c (2000) S.W.Wissink, S.Choi, W.A.Franklin, W.W.Jacobs, T.Peterson, T.Rinckel, J.Sowinski, E.J.Stephenson, M.Wolanski, H.Yang Precise Determination of the Spin-Transfer Coefficient KNN' for n(pol)p Elastic Scattering at 187 MeV NUCLEAR REACTIONS 1H(polarized n, n), E=187 MeV; measured np-coin, spin transfer coefficient.
doi: 10.1016/S0375-9474(99)00650-8
2000ZE05 Phys.Rev. C61, 054602 (2000) R.G.T.Zegers, S.Brandenburg, M.N.Harakeh, S.Y.van der Werf, J.Janecke, T.O'Donnell, D.A.Roberts, S.Shaheen, G.P.A.Berg, C.C.Foster, T.Rinckel, E.J.Stephenson Search for Isovector Giant Monopole Resonances via the 124Sn(3He, tn) Reaction NUCLEAR REACTIONS 124Sn(3He, t), E=199 MeV; measured excitation energy spectra, tn-, tγ-coin following residual nucleus decay; deduced no monopole resonance strength at high excitation energy.
doi: 10.1103/PhysRevC.61.054602
1999AH01 Nucl.Phys. A646, 175 (1999) I.Ahmad, B.B.Back, R.R.Chasman, J.P.Greene, T.Ishii, L.R.Morss, G.P.A.Berg, A.D.Bacher, C.C.Foster, W.R.Lozowski, W.Schmitt, E.J.Stephenson, T.Yamanaka Possible Observation of the 1/2+[880] Orbital in 96249Cm NUCLEAR REACTIONS 248Cm, 232Th, 208Pb(α, 3He), E=98.5 MeV; measured σ(E, θ). 249Cm deduced levels, J, π.
doi: 10.1016/S0375-9474(98)00618-6
1999GA59 Nucl.Phys. (Supplement) A654, 493c (1999) M.Garcon, D.Abbott, A.Ahmidouch, H.Anklin, J.Arvieux, J.Ball, S.Beedoe, E.J.Beise, L.Bimbot, W.Boeglin, H.Breuer, R.Carlini, N.S.Chant, S.Danagoulian, K.Dow, J.-E.Ducret, J.Dunne, L.Ewell, L.Eyraud, C.Furget, R.Gilman, C.Glashausser, P.Gueye, K.Gustafsson, K.Hafidi, A.Honegger, J.Jourdan, S.Kox, G.Kumbartzki, L.Lu, A.Lung, D.Mack, P.Markowitz, J.McIntyre, D.Meekins, F.Merchez, J.Mitchell, R.Mohring, S.Mtingwa, H.Mkrtchyan, D.Pitz, L.Qin, R.Ransome, J.-S.Real, P.G.Roos, P.Rutt, W.Schmidt, R.Sawafta, S.Stepanyan, E.J.Stephenson, R.Tieulent, E.Tomasi-Gustafsson, W.Turchinetz, K.Vansyoc, J.Volmer, E.Voutier, W.Vulcan, C.Williamson, S.A.Wood, C.Yan, J.Zhao, W.Zhao Tensor Polarization in Elastic Electron-Deuteron Scattering to the Highest Possible Momentum Transfers NUCLEAR REACTIONS 2H(e, e), E=high; measured tensor polarization moments.
doi: 10.1016/S0375-9474(00)88485-7
1999SA57 Phys.Rev. C60, 064610 (1999) F.Sammarruca, E.J.Stephenson, K.Jiang Microscopic Calculations of Medium Effects for 200-MeV (p(pol), p(pol)') Reactions NUCLEAR REACTIONS 16O, 40Ca(p, p'), E=200 MeV; 28Si(p, p'), E=180 MeV; calculated σ(E, θ), analyzing powers; deduced medium effects. G-matrix calculation, comparisons with data, other models.
doi: 10.1103/PhysRevC.60.064610
1999SC48 Nucl.Phys. (Supplement) A654, 924c (1999) H.Schatz, A.Bacher, G.P.A.Berg, T.C.Black, S.Choi, C.C.Foster, J.Gorres, K.Jiang, W.Lozowski, E.Stech, E.J.Stephenson, P.Tischhauser, M.Wiescher Tz = -1 Nuclei in the rp-Process - Astrophysical Implications and a New Experimental Approach NUCLEAR REACTIONS 28Si(α, 8He), E=177.7 MeV; measured particle spectra. 24Si deduced excited states. Astrophysical implications discussed.
doi: 10.1016/S0375-9474(00)88574-7
1999ST31 Phys.Rev. C60, 061001 (1999) E.J.Stephenson, H.Witala, W.Glockle, H.Kamada, A.Nogga Indications of Three-Nucleon Force Effects in the Proton Analyzing Power for 70-200 MeV p(pol) + d Elastic Scattering NUCLEAR REACTIONS 2H(polarized p, p), E=70-200 MeV; calculated analyzing powers; deduced role of three-body forces. Comparisons with data.
doi: 10.1103/PhysRevC.60.061001
1999WI14 Phys.Rev.Lett. 83, 4498 (1999) S.W.Wissink, S.M.Bowyer, W.A.Franklin, A.D.Bacher, A.Betker, T.Black, T.Bowyer, S.Choi, K.Jiang, W.Schmitt, J.Sowinski, E.J.Stephenson, S.P.Wells, C.Yu Spin Transfer in pp Elastic Scattering at 198 MeV: Implications for the πNN Coupling Constant NUCLEAR REACTIONS 1H(polarized p, p), E=197.8 MeV; measured spin transfer coefficients vs θ; deduced pion coupling constant. Comparison with model predictions.
doi: 10.1103/PhysRevLett.83.4498
1998DA09 Phys.Lett. 423B, 213 (1998) W.W.Daehnick, R.W.Flammang, S.A.Dytman, D.J.Tedeschi, R.A.Thompson, T.Vrana, C.C.Foster, J.G.Hardie, W.W.Jacobs, T.Rinckel, E.J.Stephenson, P.V.Pancella, W.K.Brooks Analyzing Powers in p(pol)p → pnπ+ and Determination of Pion S and P Wave Amplitudes Near Threshold NUCLEAR REACTIONS 1H(polarized p, nπ+), E=300, 320, 330 MeV; measured A(y)(θ(π), φ(π)); deduced partial wave amplitudes.
doi: 10.1016/S0370-2693(98)00079-3
1998FL02 Phys.Rev. C58, 916 (1998); Erratum Phys.Rev. C60, 029901 (1999) R.W.Flammang, W.W.Daehnick, S.A.Dytman, D.J.Tedeschi, R.A.Thompson, T.Vrana, C.C.Foster, J.G.Hardie, W.W.Jacobs, T.Rinckel, E.J.Stephenson, P.V.Pancella, W.K.Brooks Analyzing Powers and Cross Sections of p(pol)p → pnπ+ Near Threshold NUCLEAR REACTIONS 1H(polarized p, pπ+), E=293-330 MeV; measured σ, σ(θ), A(y)(θ, φ); deduced partial wave amplitudes.
doi: 10.1103/PhysRevC.58.916
1998FU14 Acta Phys.Pol. B29, 3301 (1998) C.Furget, D.Abbott, A.Ahmidouch, H.Anklin, J.Arvieux, J.Ball, S.Beedoe, E.J.Beise, L.Bimbot, W.Boeglin, H.Breuer, R.Carlini, N.S.Chant, S.Danagoulian, K.Dow, J.E.Ducret, J.Dunne, L.Ewell, L.Eyraud, M.Garcon, R.Gilman, C.Glashausser, P.Gueye, K.Gustafsson, K.Hafidi, A.Honneger, J.Jourdan, S.Kox, G.Kumbartzki, L.Lu, A.Lung, D.Mack, P.Markowitz, J.McIntyre, D.Meekins, F.Merchez, J.Mitchell, S.Mtingwa, H.Mkrtchyan, D.Pitz, L.Qin, R.Ransome, J.S.Real, P.G.Roos, P.Rutt, W.Schmidt, R.Sawafta, S.Stepanyan, E.J.Stephenson, R.Tieulent, E.Tomasi-Gustafsson, W.Turchinetz, K.Vansyoc, J.Volmer, E.Voutier, W.Vulcan, C.Williamson, S.A.Wood, C.Yan, J.Zhao, W.Zhao Tensor Polarization Measurement in Elastic Electron-Deutron Scattering at Large Momentum Transfer NUCLEAR REACTIONS 2H(e, e), E=high; measured (e)(d)-coin, deuteron t20 polarization. Comparison with previous data, theory.
1998LI43 Phys.Rev. C58, 2217 (1998) J.Lisantti, A.D.Bacher, G.P.A.Berg, S.M.Bowyer, S.Chang, J.Liu, C.Olmer, E.J.Stephenson, S.P.Wells, S.W.Wissink, K.H.Hicks Neutron Transition Densities for Low Lying States in 58Ni Obtained by using 200 MeV Inelastic Proton Scattering NUCLEAR REACTIONS 58Ni(polarized p, p'), E=199 MeV; measured σ(Ex, θ), Ay(Ex, θ). 58Ni deduced neutron transition densities for low-lying states.
doi: 10.1103/PhysRevC.58.2217
1998OH05 Phys.Lett. 438B, 27 (1998); Erratum Phys.Lett. 458B, 564 (1999) T.Ohnishi, H.Sakai, H.Okamura, S.Ishida, H.Otsu, N.Sakamoto, T.Uesaka, T.Wakasa, Y.Satou, S.Fujita, T.Nonaka, E.J.Stephenson Measurement of a Complete Set of Analyzing Powers for Deuteron Elastic Scattering from 40Ca at 270 MeV and an Investigation of Tensor Potentials NUCLEAR REACTIONS 40Ca(polarized d, d), E=270 MeV; measured σ(θ), Ay, Ayy, Axx, Axz; deduced optical potential features, T(R) tensor potential.
doi: 10.1016/S0370-2693(98)01013-2
1998SA23 Phys.Rev. C58, 307 (1998) Framework for using (p(pol), p(pol)') Reactions to Characterize New Medium Modifications to the Nucleon-Nucleon Interaction NUCLEAR REACTIONS 28Si(polarized p, p'), E=200 MeV; calculated σ(θ), analyzing power, polarization transfer coefficients; deduced baseline for NN potentials in-medium modifications. DWIA analysis.
doi: 10.1103/PhysRevC.58.307
1997DA11 Phys.Rev.Lett. 79, 609 (1997) B.F.Davis, U.Garg, W.Reviol, M.N.Harakeh, A.Bacher, G.P.A.Berg, C.C.Foster, E.J.Stephenson, Y.Wang, J.Janecke, K.Pham, D.Roberts, H.Akimune, M.Fujiwara, J.Lisantti Evidence for the Isoscalar Giant Dipole Resonance in 208Pb using Inelastic α Scattering at and Near 0° NUCLEAR REACTIONS 208Pb(α, α'), E=200 MeV; measured σ(θ), α spectra. 208Pb deduced isoscalar GDR.
doi: 10.1103/PhysRevLett.79.609
1997SC36 Phys.Rev.Lett. 79, 3845 (1997) H.Schatz, J.Gorres, H.Herndl, N.I.Kaloskamis, E.Stech, P.Tischhauser, M.Wiescher, A.Bacher, G.P.A.Berg, T.C.Black, S.Choi, C.C.Foster, K.Jiang, E.J.Stephenson First Measurement of Excited States in the Very Proton Rich Nucleus 24Si and the Consequences for 22Na Nucleosynthesis in Novae NUCLEAR REACTIONS 28Si(α, 8He), E=177.7 MeV; measured 8He spectrum. 24Si deduced levels. 23Al(p, γ), E not given; calculated reaction rate vs temperature. Astrophysical implications.
doi: 10.1103/PhysRevLett.79.3845
1997ST08 Phys.Rev.Lett. 78, 1636 (1997) E.J.Stephenson, J.Liu, A.D.Bacher, S.M.Bowyer, S.Chang, C.Olmer, S.P.Wells, S.W.Wissink, J.Lisantti Effective Isovector NN Interaction Strength Determined from the 28Si(p(pol), p(pol)')28Si(6-, T = 1) Reaction NUCLEAR REACTIONS 28Si(polarized p, p'), E=198 MeV; measured σ(θ), analyzing power, polarization transfer vs momentum transfer; deduced NN-interaction effective strength.
doi: 10.1103/PhysRevLett.78.1636
1996DA12 Nucl.Phys. A599, 277c (1996) B.F.Davis, H.Akimune, A.Bacher, G.P.A.Berg, C.C.Foster, M.Fujiwara, U.Garg, M.N.Harakeh, J.Janecke, J.Lisantti, K.Pham, W.Reviol, D.Roberts, E.J.Stephenson, Y.Wang The ' Other ' Giant Dipole Resonance: Evidence for the isoscalar giant dipole resonance in 208Pb from inelastic α scattering at 0° NUCLEAR REACTIONS 208Pb(α, α'), E=200 MeV; measured 0° spectra. 208Pb deduced evidence for isoscalar GDR.
doi: 10.1016/0375-9474(96)00070-X
1996HA26 Phys.Rev. C54, 1999 (1996) K.I.Hahn, A.Garcia, E.G.Adelberger, P.V.Magnus, A.D.Bacher, N.Bateman, G.P.A.Berg, J.C.Blackmon, A.E.Champagne, B.Davis, A.J.Howard, J.Liu, B.Lund, Z.Q.Mao, D.M.Markoff, P.D.Parker, M.S.Smith, E.J.Stephenson, K.B.Swartz, S.Utku, R.B.Vogelaar, K.Yildiz Structure of 18Ne and the Breakout from the Hot CNO Cycle NUCLEAR REACTIONS, ICPND 12C(12C, 6He), E=80 MeV; 16O(3He, n), E=10.9-14.5 MeV; 20Ne(p, t), E=44, 88 MeV; measured σ(θ). 18Ne deduced levels, Γ, J, π. 14O(α, p), E(cm) ≤ 2.5 MeV; calculated astrophysical S-factor vs E, astrophysical reaction rate vs temperature.
doi: 10.1103/PhysRevC.54.1999
1996LI07 Phys.Rev. C53, 1711 (1996) J.Liu, E.J.Stephenson, A.D.Bacher, S.M.Bowyer, S.Chang, C.Olmer, S.P.Wells, S.W.Wissink, J.Lisantti Test of a Density-Dependent Interaction using In-Plane 28Si(p(pol), p(pol)')28Si Polarization Transfer Measurements NUCLEAR REACTIONS 28Si(polarized p, p'), E=198.5 MeV; measured spectra, polarization transfer coefficients. DWBA analysis, effective NN-interaction.
doi: 10.1103/PhysRevC.53.1711
1995PH01 Phys.Rev. C51, 526 (1995) K.Pham, J.Janecke, D.A.Roberts, M.N.Harakeh, G.P.A.Berg, S.Chang, J.Liu, E.J.Stephenson, B.F.Davis, H.Akimune, M.Fujiwara Fragmentation and Splitting of Gamow-Teller Resonances in Sn(3He, t)Sb Charge-Exchange Reactions, A = 112-124 NUCLEAR REACTIONS Sn(3He, t), E=200 MeV; measured σ(Et), σ(θ). 112,114,116,117,118,119,120,122,124Sb deduced IAS, Gamow-Teller transitions, Γ, fragmentation features.
doi: 10.1103/PhysRevC.51.526
1995RO20 Phys.Rev. C52, 1361 (1995) D.A.Roberts, K.Ashktorab, F.D.Becchetti, J.Janecke, M.N.Harakeh, S.Y.van der Werf, G.P.A.Berg, C.C.Foster, J.E.Lisantti, T.Rinckel, E.J.Stephenson, S.P.Wells, A.Nadasen, S.Shaheen Neutron Decay from the Isobaric Analog State in 120Sb Populated in 120Sn(3He, t)120Sb at E(3He) = 200 MeV, θ = 0° NUCLEAR REACTIONS 120Sn(3He, t), (3He, nt), E=200 MeV; measured σ(Et, θ=0°), nt-coin. 120Sb deduced IAS spreading width.
doi: 10.1103/PhysRevC.52.1361
1995WE10 Phys.Rev. C52, 2559 (1995) S.P.Wells, S.W.Wissink, A.D.Bacher, G.P.A.Berg, S.M.Bowyer, S.Chang, W.A.Franklin, J.Liu, E.J.Stephenson, J.R.Beene, F.E.Bertrand, M.L.Halbert, P.E.Mueller, D.H.Olive, D.W.Stracener, R.L.Varner, J.Lisantti, K.H.Hicks Simultaneous Measurements of (p(pol), p(pol)') and (p(pol), p'γ) Observables for the 15.11 MeV, 1+, T = 1 State in 12C at 200 MeV NUCLEAR REACTIONS 12C(polarized p, p'), (polarized p, p'γ), E=200 MeV; measured protons yields, p(γ)(θ), spin-dependent yields, proton polarization, other observables; deduced polarization transfer coefficients, p-gamma spin asymmetries, other polarization observables.
doi: 10.1103/PhysRevC.52.2559
1995WI27 Phys.Rev. C52, 2906 (1995) H.Witala, J.Golak, W.Glockle, D.Huber, H.Kamada, W.Tornow, E.J.Stephenson, D.A.Low Tensor Analyzing Power A(yy) for dp Breakup in the Symmetric Constant Relative Energy Configuration NUCLEAR REACTIONS 1H(polarized d, 2p), E=94.5-99.2 MeV; analyzed analyzing power data. Breakup, Faddeev approach, different realistic interactions.
doi: 10.1103/PhysRevC.52.2906
1994CA39 Phys.Rev.Lett. 73, 2857 (1994) D.D.Caussyn, Ya.S.Derbenev, T.J.P.Ellison, S.Y.Lee, T.Rinckel, P.Schwandt, F.Sperisen, E.J.Stephenson, B.von Przewoski, B.B.Blinov, C.M.Chu, E.D.Courant, D.A.Crandell, W.A.Kaufman, A.D.Krisch, T.S.Nurushev, R.A.Phelps, L.G.Ratner, V.K.Wong, C.Ohmori Spin Flipping a Stored Polarized Proton Beam
doi: 10.1103/PhysRevLett.73.2857
1994DA08 Nucl.Phys. A569, 325c (1994) B.F.Davis, H.Akimune, A.Bacher, G.P.A.Berg, M.Fujiwara, U.Garg, M.N.Harakeh, J.Janecke, J.Lisantti, K.Pham, W.Reviol, D.Roberts, E.J.Stephenson, Y.Wang Looking for the Isoscalar Giant Dipole Resonance in 208Pb using Inelastic α Scattering at and Near 0° NUCLEAR REACTIONS 208Pb(α, α'), E=200 MeV; measured σ(θ). 24Mg(α, α'), E=200 MeV; measured α spectra. 208Pb deduced isoscalar GDR, other resonance features.
doi: 10.1016/0375-9474(94)90123-6
1994ED02 Nucl.Instrum.Methods Phys.Res. A338, 432 (1994) T.Eden, R.Madey, W.-M.Zhang, B.D.Anderson, A.R.Baldwin, J.M.Cameron, J.M.Finn, C.C.Foster, J.J.Kelly, S.Kowalski, R.Lourie, P.Markowitz, B.Ni, P.J.Pella, J.Schambach, M.Spraker, E.Steinfelds, E.J.Stephenson, J.W.Watson Performance of a Neutron Polarimeter to Measure the Electric Form Factor of the Neutron NUCLEAR REACTIONS 14C(polarized p, n), E=138.4 MeV; measured neutron spectra, analyzing power; deduced method suitability for 1n electric form factor extriction studies.
doi: 10.1016/0168-9002(94)91327-7
1994FE05 Phys.Rev. C49, 2068 (1994) A.E.Feldman, J.J.Kelly, B.S.Flanders, M.A.Khandaker, H.Seifert, P.Boberg, S.D.Hyman, P.H.Karen, B.E.Norum, P.Welch, Q.Chen, A.D.Bacher, G.P.A.Berg, E.J.Stephenson, S.Nanda, A.Saha, A.Scott Neutron Transition Densities for 48Ca from Proton Scattering at 200 and 318 MeV NUCLEAR REACTIONS 48Ca(polarized p, p'), (polarized p, p), E=200, 318 MeV; measured σ(θ), analyzing power vs θ. 48Ca levels deduced nucleon transition densities, multipole moments. Extended random phase approximation.
doi: 10.1103/PhysRevC.49.2068
1994GR07 Phys.Rev. C49, 2971 (1994) P.Grabmayr, A.Mondry, G.J.Wagner, P.Woldt, G.P.A.Berg, J.Lisantti, D.W.Miller, H.Nann, E.J.Stephenson 3s-Proton Occupancies in 204Hg and 206Pb NUCLEAR REACTIONS 202,204Hg, 206Pb(polarized d, 3He), E=79.1 MeV; measured σ(θ), iT11(θ); deduced Q for 202,204Hg(d, 3He) reactions. 203,201Au, 205Tl levels deduced spectroscopic factors.
doi: 10.1103/PhysRevC.49.2971
1993JA14 Phys.Rev. C48, 2828 (1993) J.Janecke, K.Pham, D.A.Roberts, D.Stewart, M.N.Harakeh, G.P.A.Berg, C.C.Foster, J.E.Lisantti, R.Sawafta, E.J.Stephenson, A.M.van den Berg, S.Y.van der Werf, S.E.Muraviev, M.H.Urin Fragmentation of Gamow-Teller Strength Observed in 117,120Sn(3He, t)117,120Sb Charge-Exchange Reactions NUCLEAR REACTIONS 117,120Sn(3He, t), E=200 MeV; measured σ(Et, θ). 117,120Sb deduced level, J, π, giant resonances features, Gamow-Teller transition strength fragmentation. Magnetic spectrometer.
doi: 10.1103/PhysRevC.48.2828
1993SE02 Phys.Rev. C47, 1615 (1993) H.Seifert, J.J.Kelly, A.E.Feldman, B.S.Flanders, M.A.Khandaker, Q.Chen, A.D.Bacher, G.P.A.Berg, E.J.Stephenson, P.Karen, B.E.Norum, P.Welch, A.Scott Effective Interaction for 16O(p, p') and 40Ca(p, p') at E(p) = 200 MeV NUCLEAR REACTIONS 16O, 40Ca(polarized p, p), (polarized p, p'), E=200 MeV; measured σ(θ), analyzing power vs θ; deduced effective interaction. Relativistic impulse approximation model, other data input.
doi: 10.1103/PhysRevC.47.1615
1993WA09 Phys.Rev. C47, 2677 (1993) Y.Wang, C.C.Foster, R.D.Polak, J.Rapaport, E.J.Stephenson Proton-90Zr Mean Field between -60 and + 185 MeV from a Dispersive Optical Model Analysis NUCLEAR REACTIONS 90Zr(polarized p, p), E=9.8-135 MeV; analyzedσ(θ), analyzing power data; deduced model parameters. 90Zr deduced proton single particle orbits occupation probabilities, spectroscopic factors. Dispersive optical model potential.
doi: 10.1103/PhysRevC.47.2677
1993WE08 Nucl.Instrum.Methods Phys.Res. A325, 205 (1993) S.P.Wells, S.W.Wissink, A.D.Bacher, S.M.Bowyer, S.Chang, J.Lisantti, J.Liu, C.Olmer, A.K.Opper, T.Rinckel, E.J.Stephenson An In-Beam Polarimeter for Intermediate Energy Protons Using p + d Elastic Scattering NUCLEAR REACTIONS 2H(polarized p, p), E=120, 200 MeV; measured beam transverse polarization components, spectra; deduced analyzing power. In-beam polarimeter.
doi: 10.1016/0168-9002(93)91022-F
1992BA76 Phys.Rev.Lett. 69, 2054 (1992) H.Baghaei, R.A.Lindgren, P.Slocum, E.J.Stephenson, A.D.Bacher, S.Chang, J.Lisantti, J.Liu, C.Olmer, S.Wells, S.W.Wissink, B.L.Clausen, J.A.Carr, S.K.Yoon, F.Petrovich Spin Transverse-Longitudinal Composition of the Isovector Effective NN Interaction from 10B(p(pol), p(pol)') at 200 MeV NUCLEAR REACTIONS 10B(polarized p, p), E=200 MeV; measured σ(θ), analyzing power, induced polarization, polarization transfer coefficients vs θ; deduced large transverse to longitudinal spin-dependent interaction ratio.
doi: 10.1103/PhysRevLett.69.2054
1992GR19 J.Phys.(London) G18, 1753 (1992) P.Grabmayr, A.Mondry, G.J.Wagner, P.Woldt, G.P.A.Berg, J.Lisantti, D.W.Miller, H.Nann, P.P.Singh, E.J.Stephenson Search for 3s1/2 Hole-Strength Fragments via the 208Pb(d(pol), 3He)207Tl Reaction NUCLEAR REACTIONS 208Pb(polarized d, 3He), E=80 MeV; measured σ(E(3He)), σ(θ). 207Tl deduced levels, J, π, spectroscopic factors, configuration.
doi: 10.1088/0954-3899/18/11/008
1992WA12 Phys.Rev. C45, 2891 (1992) Y.Wang, C.C.Foster, E.J.Stephenson, L.Yuan, J.Rapaport Dispersion Relation Analysis of d + 208Pb Elastic Scattering NUCLEAR REACTIONS 208Pb(polarized d, d), E=9-79.2 MeV; analyzed σ(θ), analyzing power data; deduced model parameters. Dispersive optical model.
doi: 10.1103/PhysRevC.45.2891
1992WI01 Phys.Rev. C45, R504 (1992) S.W.Wissink, S.P.Wells, E.J.Stephenson, J.Sowinski, A.D.Bacher, P.Li, J.Lisantti, C.Olmer, A.K.Opper, R.Sawafta, P.Schwandt Determination of Analyzing Powers for 189 MeV Proton Elastic Scattering on 12C NUCLEAR REACTIONS 12C(polarized p, p), E=189 MeV; measured analyzing power, polarization transfer coefficients.
doi: 10.1103/PhysRevC.45.R504
1991JA04 Nucl.Phys. A526, 1 (1991) J.Janecke, F.D.Becchetti, A.M.van den Berg, G.P.A.Berg, G.Brouwer, M.B.Greenfield, M.N.Harakeh, M.A.Hofstee, A.Nadasen, D.A.Roberts, R.Sawafta, J.M.Schippers, E.J.Stephenson, D.P.Stewart, S.Y.van der Werf Non-Spin-Flip (3He, t) Charge-Exchange and Isobaric Analog States of Actinide Nuclei Studied at θ = 0°, E(3He) = 76 MeV and 200 MeV NUCLEAR REACTIONS 12C, 16O, 27Al, 28Si, Ta, 230,232Th, 234,236,238U(3He, t), E=76.5 MeV; 12,13C, 16O, 19F, 28,29Si, 90Zr, 117,120Sn, Ta, W, 197Au, 208Pb, 230,232Th, 234,238U, 244Pu(3He, t), E=200 MeV; measured σ(Et); 120Sn(3He, t), E=200 MeV; measured σ(θt) for IAS; 230,232Th, 234,236,238U(3He, tp), E=76.5 MeV; measured proton decay from IAS, σ(Et, Ep, θt, θp); deduced Q-values for transitions to IAS. 90Nb, 117Sb, 120Sn, 181W, 184Re, 197Hg, 208Pb, 230,232Pa, 234,236,238Np, 244Am deduced Coulomb displacement energies, total widths Γ, escape widths, spreading widths of IAS. Non-spin-flip charge exchange effective interaction. Enriched and long-lived radioactive targets, magnetic spectrometers.
doi: 10.1016/0375-9474(91)90295-H
1991LI22 Phys.Rev. C44, R1233 (1991) J.Lisantti, E.J.Stephenson, A.D.Bacher, P.Li, R.Sawafta, P.Schwandt, S.P.Wells, S.W.Wissink, W.Unkelbach, J.Wambach Spin-Flip Probabilities in 208Pb Measured with 200 MeV Protons NUCLEAR REACTIONS 208Pb(polarized p, p'), E=200 MeV; measured spin-flip probability parameter; deduced distortions role. Continuum RPA calculations.
doi: 10.1103/PhysRevC.44.R1233
1991LO06 Phys.Rev. C44, 2276 (1991) D.A.Low, E.J.Stephenson, C.Olmer, A.K.Opper, B.K.Park, P.Schwandt, S.W.Wissink Measurement of the A(yy) Tensor Analyzing Power for the 1H(d(pol), pp)n Reaction in the Symmetric Constant Relative Energy Geometry NUCLEAR REACTIONS 1H(polarized d, 2p), E=94.5 MeV; measured tensor analyzing power, σ(E'(23), θ'(23), θ'(1, 23)). Model comparison.
doi: 10.1103/PhysRevC.44.2276
1990OP01 J.Phys.(Paris), Colloq.C-6, 607 (1990) A.K.Opper, S.W.Wissink, A.D.Bacher, J.Lisantti, C.Olmer, R.Sawafta, E.J.Stephenson, S.P.Wells The (p(pol), p(pol)') Spin Transfer Program at the Indiana University Cyclotron Facility NUCLEAR REACTIONS 208Pb, 12C, 16O(polarized p, p'), E=200 MeV; measured polarization, σ(θ), analyzing power, spin observables vs θ.
1990PL06 Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 2252 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, No.11, 164 (1990) A.V.Plavko, V.I.Kudryashov, C.Olmer, P.Schwandt, D.W.Miller, E.J.Stephenson Excitation of 1+ States in 12C, 28Si and 48Ca in (p(pol), p') Scattering at Intermediate Energies NUCLEAR REACTIONS 12C, 28Si, 48Ca(polarized p, p'), E=100-180 MeV; measured analyzing power. 12C, 28Si, 48Ca deduced 1+ level excitation mechanism, isospin dependence features.
1990SA02 Phys.Rev. C41, 1286 (1990) A.Saxena, S.Kailas, P.P.Singh, P.Schwandt, E.J.Stephenson Continuum Background in the Giant Resonance Region of Excitation NUCLEAR REACTIONS 58Ni, 116Sn, 90Zr, 208Pb(3He, 3He'), E=235-260 MeV; calculated σ(θ, E(3He')). Moving source model.
doi: 10.1103/PhysRevC.41.1286
1990SA27 Phys.Rev. C42, 922 (1990) S.K.Saha, W.W.Daehnick, S.A.Dytman, P.C.Li, J.G.Hardie, G.P.A.Berg, C.C.Foster, W.P.Jones, D.W.Miller, E.J.Stephenson 17O(d(pol), t)16O at 89 MeV; j dependence and particle-hole matrix elements NUCLEAR REACTIONS 17O(polarized d, t), E=89 MeV; measured σ(θ), σ(Et), analyzing power vs θ. 16O levels deduced L, j-transfer, spectroscopic factors. DWBA analysis.
doi: 10.1103/PhysRevC.42.922
1990SO13 J.Phys.(Paris), Colloq.C-6, 395 (1990) J.Sowinski, W.W.Jacobs, L.D.Knutson, S.E.Vigdor, P.L.Jolivette, S.W.Wissink, C.Bloch, R.C.Byrd, M.Minty, E.J.Stephenson, J.Templon, C.Whiddon Spin Observables in Nucleon-Nucleon Scattering Near 180 MeV NUCLEAR REACTIONS 1H(polarized n, p), (polarized p, p), E=180 MeV; measured analyzing power, spin correlation parameter vs θ. Phase shift, model analyses.
1990ST20 Phys.Rev. C42, 2562 (1990) E.J.Stephenson, A.D.Bacher, G.P.A.Berg, V.R.Cupps, C.C.Foster, N.Hodiwalla, P.Li, J.Lisantti, D.A.Low, D.W.Miller, C.Olmer, A.K.Opper, B.K.Park, R.Sawafta, S.W.Wissink, J.A.Tostevin, D.A.Coley, R.C.Johnson Enhancement of the Near-Side Component in Quasiadiabatic Calculations of the 66Zn(d, p)67Zn Reaction NUCLEAR REACTIONS 67Zn(polarized p, p), E=91.8 MeV; 66Zn(polarized d, p), E=88.2 MeV; measured σ(θ), proton polarization, analyzing power vs θ; deduced model parameters. Quasiadiabatic model.
doi: 10.1103/PhysRevC.42.2562
1990ST32 J.Phys.(Paris), Colloq.C-6, 85 (1990) Elastic and Inelastic Scattering at Low and Intermediate Energies NUCLEAR REACTIONS 1H(polarized p, p), E=79 MeV; 16O, 12C(polarized p, p'), E=200 MeV; 12C(d, d'), E=400 MeV; 12C(polarized p, p), E=180-200 MeV; 15N, 13C(polarized p, p), E=65, 72 MeV; 16O(polarized p, p'), E=180-489 MeV; compiled data analysis; deduced Gamow-Teller type transition extraction possibility.
1990WI21 J.Phys.(Paris), Colloq.C-6, 557 (1990) S.W.Wissink, S.P.Wells, A.K.Opper, T.Rinckel, E.J.Stephenson Development of an In-Beam Polarimeter for Intermediate Energy Protons using p + d Elastic Scattering NUCLEAR REACTIONS 2H(polarized p, p), E=120, 200 MeV; measured pd-coin spectra; deduced analyzing power vs θ.
1989CH08 J.Phys.(London) G15, L55 (1989) C.Chan, T.E.Drake, R.Abegg, D.Frekers, O.Hausser, K.Hicks, D.A.Hutcheon, L.Lee, C.A.Miller, R.Schubank, E.J.Stephenson, S.Yen Comparison of Inclusive Quasielastic 12C(p, p') and 16O(p, p') Spin Observables NUCLEAR REACTIONS 16O, 12C(polarized p, p'), E=420 MeV; measured polarization, Wolfenstein parameters. Natural targets.
doi: 10.1088/0954-3899/15/4/002
1989JO05 Nucl.Phys. A505, 26 (1989) R.C.Johnson, E.J.Stephenson, J.A.Tostevin Nature of the Amplitudes Missing from Adiabatic Distorted-Wave Models of Medium Energy (d, p) and (p, d) Reactions NUCLEAR REACTIONS 116Sn(d, p), E=79 MeV; calculated σ(θ). Adiabatic distorted wave models.
doi: 10.1016/0375-9474(89)90415-6
1989KA17 Nucl.Phys. A499, 283 (1989) S.Kailas, A.Saxena, P.P.Singh, Q.Chen, P.Schwandt, E.J.Stephenson Excitation of the Giant-Resonance Region in 58Ni and 208Pb by Inelastic Scattering of 270 MeV Helions NUCLEAR REACTIONS 58Ni, 208Pb(3He, 3He'), E=270 MeV; measured σ(θ). 58Ni, 208Pb deduced giant resonance excitation strength. Macroscopic collective model DWBA analysis.
doi: 10.1016/0375-9474(89)90047-X
1989KA41 Pramana 33, 365 (1989) S.Kailas, A.Saxena, P.P.Singh, Q.Chen, D.L.Friesel, P.Schwandt, E.J.Stephenson Giant Resonances in 90Zr and 116Sn NUCLEAR REACTIONS 90Zr, 116Sn(3He, 3He'), E=270 MeV; measured σ(θ); deduced model parameters. 90Zr, 116Sn deduced resonance parameters. DWBA analysis.
doi: 10.1007/BF02845828
1989RA22 Phys.Rev. C40, 1603 (1989) M.C.Radhakrishna, N.G.Puttaswamy, H.Nann, D.W.Miller, P.P.Singh, W.W.Jacobs, W.P.Jones, E.J.Stephenson Neutron Pickup Strength in 87Sr from the (p(pol), d) Reaction NUCLEAR REACTIONS 87Sr(polarized p, d), E=94.2, 91.8 MeV; measured σ(θ), analyzing power vs θ. 86Sr deduced levels, single particle strengths.
doi: 10.1103/PhysRevC.40.1603
1989SA13 Phys.Rev. C40, 39 (1989) S.K.Saha, W.W.Daehnick, S.A.Dytman, P.C.Li, J.G.Hardie, G.P.A.Berg, C.C.Foster, W.P.Jones, D.W.Miller, E.J.Stephenson 15N(d(pol), t)14N at 89 MeV, j Dependence and p-Shell Matrix Elements NUCLEAR REACTIONS 15N(polarized d, t), E=89 MeV; measured σ(Et), σ(θ), analyzing power vs θ, Et; deduced effective interaction. 14N deduced levels, J, π.
doi: 10.1103/PhysRevC.40.39
1989WA17 Phys.Rev. C40, 570 (1989) J.W.Watson, W.Pairsuwan, B.D.Anderson, A.R.Baldwin, B.S.Flanders, C.Lebo, R.Madey, J.D.Brown, C.C.Foster, D.L.Friesel, H.Nann, E.J.Stephenson, P.B.Foot, G.G.Shute, B.M.Spicer 48Ca(d, n)49Sc Reaction at 79 MeV NUCLEAR REACTIONS 48Ca(polarized d, n), E=79 MeV; measured σ(En), σ(θ), vector analyzing power; deduced model parameters. 49Sc levels deduced C2S. DWBA, Johnson-Soper adiabatic approximation analyses.
doi: 10.1103/PhysRevC.40.570
1988NA01 Phys.Rev. C37, 85 (1988) H.Nann, W.W.Jacobs, G.Cravens, A.D.Bacher, W.P.Jones, E.J.Stephenson, R.B.M.Mooy High-Spin States of (1f7/2)-2 Character in 56,58,60,62Co NUCLEAR REACTIONS, MECPD 60,64Ni(polarized d, α), E=79 MeV; measured σ(E, θ), analyzing power vs E, θ. 58,62Co deduced levels, J, π, (1f7/2)-2 transition strength. 56,60Co deduced (1f7/2)-2 transition strength.
doi: 10.1103/PhysRevC.37.85
1988RA01 Phys.Rev. C37, 66 (1988) M.C.Radhakrishna, N.G.Puttaswamy, H.Nann, J.D.Brown, W.W.Jacobs, W.P.Jones, D.W.Miller, P.P.Singh, E.J.Stephenson Proton Occupation Numbers in 206Pb from the (d(pol), 3He) Reaction NUCLEAR REACTIONS, MECPD 206Pb(polarized d, 3He), E=79.4 MeV; measured σ(θ), analyzing power vs θ; deduced model parameters. 206Pb deduced proton orbital rms radii. 205Tl deduced levels, J, π, spectroscopic strengths. 208,206Pb deduced proton occupation probabilities. Enriched target, magnetic spectrometer. DWBA analysis.
doi: 10.1103/PhysRevC.37.66
1987CU04 Nucl.Phys. A469, 445 (1987) V.R.Cupps, J.D.Brown, C.C.Foster, W.P.Jones, D.W.Miller, H.Nann, P.Schwandt, E.J.Stephenson, J.A.Tostevin The 116Sn(d, p)117Sn l = 0 Reaction Mechanism at Intermediate Energies NUCLEAR REACTIONS 116Sn(d, p), (polarized d, p), E=79.2 MeV; measured σ(θ), A(θ), P(θ); deduced reaction mechanism. Enriched target. DWBA analysis.
doi: 10.1016/0375-9474(87)90032-7
1987FO22 Aust.J.Phys. 40, 611 (1987) P.B.Foot, G.G.Shute, B.M.Spicer, C.C.Foster, J.D.Brown, D.L.Friesel, H.Nann, J.W.Seubert, E.J.Stephenson, B.D.Anderson, A.R.Baldwin, B.S.Flanders, R.Madey, W.Pairsuwan, J.W.Watson D State Effects in the 11B(d(pol), n)12C Reaction at 79 MeV NUCLEAR REACTIONS 11B(polarized d, n), E=79 MeV; measured σ(θ), vector analyzing power vs θ; deduced 2H D-state effects role. DWBA analysis.
1987LO04 Phys.Rev. C35, 902 (1987) J.T.Londergan, C.E.Price, E.J.Stephenson Stability of Angular Extrapolation Methods for Determining the Deuteron Asymptotic D-State to S-State Ratio NUCLEAR REACTIONS 1H(d, d), (polarized d, d), E=5-56 MeV; analyzed confromally mapped, extrapolation functions, deuteron D- to S-state ratios, tensor polarized σ; deduced angular extrapolation method stability.
doi: 10.1103/PhysRevC.35.902
1987RE10 Nucl.Phys. A472, 1 (1987) K.Reiner, P.Grabmayr, G.J.Wagner, S.M.Banks, B.G.Lay, V.C.Officer, G.G.Shute, B.M.Spicer, C.W.Glover, W.P.Jones, D.W.Miller, H.Nann, E.J.Stephenson Deeply-Bound Hole States in 57Co and the Spreading of the 1d5/2 Hole Strength Distribution NUCLEAR REACTIONS, MECPD 58Ni(polarized d, 3He), E=80 MeV; measured σ(E(3He)), σ(θ), vector analyzing powers. 57Co deduced levels, J, π, d3/2-d5/2 hole strength distributions.
doi: 10.1016/0375-9474(87)90217-X
1987ST16 Nucl.Phys. A469, 467 (1987) E.J.Stephenson, V.R.Cupps, J.A.Tostevin, R.C.Johnson, J.D.Brown, C.C.Foster, W.P.Jones, D.W.Miller, H.Nann, P.Schwandt The Effects of Far-Side Dominance on the j-Dependence of the Medium Energy 116Sn(d, p)117Sn Reaction NUCLEAR REACTIONS 116Sn(d, p), (polarized d, p), E=79.2 meV; measured σ(E(p), θ), A(E(p), θ); deduced reaction mechanism. Enriched target. DWBA analysis.
doi: 10.1016/0375-9474(87)90033-9
1986SI24 Pramana 27, 747 (1986) P.P.Singh, Q.Li, P.Schwandt, W.W.Jacobs, M.Saber, E.J.Stephenson, A.Saxena, S.Kailas Elastic and Inelastic Scattering of 270 MeV 3He Particles from 58Ni, 90Zr, 116Sn and 208Pb NUCLEAR REACTIONS 58Ni, 90Zr, 116Sn, 208Pb(3He, 3He), (3He, 3He'), E=270 MeV; measured σ(θ); deduced model parameters. 58Ni, 90Zr, 116Sn, 208Pb levels deduced B(E2), deformation lengths. Enriched target, magnetic spectrometer.
doi: 10.1007/BF02845643
1986ST06 Phys.Lett. 171B, 358 (1986) E.J.Stephenson, R.C.Johnson, J.A.Tostevin, V.R.Cupps, J.D.Brown, C.C.Foster, J.A.Gering, W.P.Jones, D.A.Low, D.W.Miller, H.Nann, C.Olmer, A.K.Opper, P.Schwandt, J.W.Seubert, S.W.Wissink Inplications of Far-Side Dominance for the Disagreement between Distorted Wave Theory and Well-Matched Intermediate Energy (d, p) Reactions NUCLEAR REACTIONS 116Sn(polarized d, p), E=90 MeV; analyzed σ(θ), analyzing power vs θ. 66Zn(polarized d, p), E=88.1 MeV; measured proton polarization vs θ; deduced far-side dominance insignificance.
doi: 10.1016/0370-2693(86)91420-6
1985BR33 Nucl.Instrum.Methods Phys.Res. B10/11, 356 (1985) R.E.Brown, R.A.Hardekopf, N.Jarmie, F.D.Correll, J.M.Lambert, P.A.Treado, I.Slaus, P.Schwandt, W.W.Jacobs, H.O.Meyer, E.J.Stephenson, J.Q.Yang, W.T.H.van Oers, P.Doleschall, J.A.Tjon Polarization in Three-Nucleon Breakup: Experiment and theory NUCLEAR REACTIONS 1H(polarized d, d), E=16, 79 MeV; measured vector analyzing power vs rotation angle. Faddeev formalism.
doi: 10.1016/0168-583X(85)90268-X
1985FO05 Phys.Rev. C31, 1133 (1985) P.B.Foot, G.G.Shute, B.M.Spicer, C.C.Foster, H.Nann, E.J.Stephenson, B.D.Anderson, A.R.Baldwin, B.S.Flanders, C.Lebo, R.Madey, J.W.Watson 11B(d, n)12C Reaction and the Adiabatic Approximation NUCLEAR REACTIONS 11B(d, n), E=79 MeV; measured σ(θ); deduced deuteron optical model parameters. 12C levels deduced L, S. Adiabatic model, DWBA analysis.
doi: 10.1103/PhysRevC.31.1133
1985NA06 Phys.Rev.Lett. 55, 578 (1985) H.Nann, W.W.Jacobs, J.D.Brown, G.T.Emery, W.P.Jones, E.J.Stephenson Proton Ground-State Correlations in 48Ca NUCLEAR REACTIONS 48Ca(polarized d, α), E=79.4 MeV; measured σ(θ), analyzing power vs θ. 48Ca level deduced large f7/2 proton occupation number. 46K deduced levels, J, π, configuration. DWBA analysis.
doi: 10.1103/PhysRevLett.55.578
1985UN01 Phys.Rev. C31, 934 (1985) E.Ungricht, W.S.Freeman, D.F.Geesaman, R.J.Holt, J.R.Specht, B.Zeidman, E.J.Stephenson, J.D.Moses, M.Farkhondeh, S.Gilad, R.P.Redwine Tensor Polarization in Pion-Deuteron Elastic Scattering NUCLEAR REACTIONS 2H(π+, π+), E=140-256 MeV; measured tensor polarization t20(θ).
doi: 10.1103/PhysRevC.31.934
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