NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = C.R.Howell Found 111 matches. Showing 1 to 100. [Next]2023HA27 Phys.Rev.Lett. 131, 052502 (2023) S.J.Haselschwardt, B.G.Lenardo, T.Daniels, S.W.Finch, F.Q.L.Friesen, C.R.Howell, C.R.Malone, E.Mancil, W.Tornow Observation of Low-Lying Isomeric States in 136Cs: A New Avenue for Dark Matter and Solar Neutrino Detection in Xenon Detectors NUCLEAR REACTIONS 136Xe(p, n), E=7 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, partial level scheme, isomeric state T1/2. Comparison with available data. The Triangle Universities Nuclear Laboratory.
doi: 10.1103/PhysRevLett.131.052502
2023RA05 Phys.Rev. C 107, 054608 (2023) A.P.D.Ramirez, J.A.Silano, R.C.Malone, M.A.Stoyer, A.P.Tonchev, M.E.Gooden, J.B.Wilhelmy, S.W.Finch, C.R.Howell, Krishichayan, W.Tornow Fission product yields from the 238U(n, f) reaction at En = 4.6 MeV NUCLEAR REACTIONS 238U(n, F)86mKr/86Kr/88Kr/89Rb/91Sr/92Sr/94Y/97Nb/101Mo/104Tc/105Ru/129Sb/131Te/131Sb/133I/134Te/134I/135Xe/138Xe/138Cs/139Ba/141Ba/142Ba/142La/146Ce/146Pr/147Pr/84As/86Se/86Br/87Br/88Br/89Kr/90Kr/91Kr/91Rb/92Kr/93Kr/93Rb/93Sr/94Rb/94Sr/95Sr/96Sr/96mY/96Y/97mY/98Sr/98mY/99Zr/99Nb/100Y/100Zr/101Zr/101Nb/102Zr/103Tc/106Tc/130Sn/132Sn/133Sb/134mSb/135Te/136Te/136mI/137Xe/138I/139Xe/140Xe/140Cs/141Xe/142Cs/142Ba/143Cs/143Ba/144La/145Ce/148La, E=4.6 MeV; measured neutron time-of-flight, Eγ, Iγ; deduced cumulative fission product yields. Comparison to experimental and evaluated data from ENDF/B-VIII.0 and JEFF-3.3 libraries and with theoretical models using the GEF and FREYA codes. Cyclic activation technique using the RApid Belt-driven Irradiated Target Transfer System (RABITTS) at the 10 MV tandem Van de Graaff accelerator (TUNL).
doi: 10.1103/PhysRevC.107.054608
2022HO01 J.Phys.(London) G49, 010502 (2022) C.R.Howell, M.W.Ahmed, A.Afanasev, D.Alesini, J.R.M.Annand, A.Aprahamian, D.L.Balabanski, S.V.Benson, A.Bernstein, C.R.Brune, J.Byrd, B.E.Carlsten, A.E.Champagne, S.Chattopadhyay, D.Davis, E.J.Downie, J.M.Durham, G.Feldman, H.Gao, C.G.R.Geddes, H.W.Griesshammer, R.Hajima, H.Hao, D.Hornidge, J.Isaak, R.V.F.Janssens, D.P.Kendellen, M.Kovash, P.P.Martel, U.-G.Meissner, R.Miskimen, B.Pasquini, D.R.Phillips, N.Pietralla, D.Savran, M.R.Schindler, M.H.Sikora, W.M.Snow, R.P.Springer, C.Sun, C.Tang, B.Tiburzi, A.P.Tonchev, W.Tornow, C.A.Ur, D.Wang, H.R.Weller, V.Werner, Y.K.Wu, J.Yan, Z.Zhao, A.Zilges, F.Z.Zomer International workshop on next generation gamma-ray source
doi: 10.1088/1361-6471/ac2827
2022LI18 Phys.Rev.Lett. 128, 132502 (2022) X.Li, M.W.Ahmed, A.Banu, C.Bartram, B.Crowe, E.J.Downie, M.Emamian, G.Feldman, H.Gao, D.Godagama, H.W.Griesshammer, C.R.Howell, H.J.Karwowski, D.P.Kendellen, M.A.Kovash, K.K.H.Leung, D.M.Markoff, J.A.McGovern, S.Mikhailov, R.E.Pywell, M.H.Sikora, J.A.Silano, R.S.Sosa, M.C.Spraker, G.Swift, P.Wallace, H.R.Weller, C.S.Whisnant, Y.K.Wu, Z.W.Zhao Proton Compton Scattering from Linearly Polarized Gamma Rays NUCLEAR REACTIONS 1H(polarized γ, γ'), E=83.4 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ), electromagnetic dipole polarizabilities of the proton. The High Intensity Gamma-Ray Source facility at the Triangle Universities Nuclear Laboratory.
doi: 10.1103/PhysRevLett.128.132502
2022MA59 Phys.Lett. B 835, 137557 (2022) R.C.Malone, A.S.Crowell, L.C.Cumberbatch, B.A.Fallin, F.Q.L.Friesen, C.R.Howell, C.R.Malone, D.R.Ticehurst, W.Tornow, D.M.Markoff, B.J.Crowe, H.Witala Measurement of the 1S0 neutron-neutron effective range in neutron-deuteron breakup NUCLEAR REACTIONS 2H(n, X), E<18 MeV; measured reaction products, En, In; deduced σ(θ, E), neutron-neutron effective range parameter from neutron-neutron quasifree scattering in neutron-deuteron breakup. The tandem accelerator facility at the Triangle Universities Nuclear Laboratory.
doi: 10.1016/j.physletb.2022.137557
2020LI10 Phys.Rev. C 101, 034618 (2020) X.Li, M.W.Ahmed, A.Banu, C.Bartram, B.Crowe, E.J.Downie, M.Emamian, G.Feldman, H.Gao, D.Godagama, H.W.Griesshammer, C.R.Howell, H.J.Karwowski, D.P.Kendellen, M.A.Kovash, K.K.H.Leung, D.Markoff, S.Mikhailov, R.E.Pywell, M.H.Sikora, J.A.Silano, R.S.Sosa, M.C.Spraker, G.Swift, P.Wallace, H.R.Weller, C.S.Whisnant, Y.K.Wu, Z.W.Zhao Compton scattering from 4He at the TUNL HIγS facility NUCLEAR REACTIONS 4He(polarized γ, γ), E=81.3 MeV, 100% circularly and linearly polarized γ-ray beam via Compton backscattering from HiγS at TUNL; measured Compton scattered photons at different angles, time-of-flight spectra using an array of large NaI(Tl) detectors; deduced differential σ(θ). Comparison with previous experimental data from Lund at Eγ=87 MeV.
doi: 10.1103/PhysRevC.101.034618
2020MA12 Phys.Rev. C 101, 034002 (2020) R.C.Malone, A.S.Crowell, L.C.Cumberbatch, B.A.Fallin, F.Q.L.Friesen, C.R.Howell, C.R.Malone, D.R.Ticehurst, W.Tornow, D.M.Markoff, B.J.Crowe, H.Witala Neutron-neutron quasifree scattering in neutron-deuteron breakup at 10 MeV NUCLEAR REACTIONS 2H(n, 2n), E=10.0 MeV; measured En, In, nn-coin, and differential σ(θ) of neutron-neutron quasi-free scattering (QSF) in neutron-deuteron breakup using isotopically enriched deuterated polyethylene CD2 target, and neutron time-of-flight technique for neutrons detected using liquid scintillator detectors at TUNL; deduced deuteron breakup cross section. Comparison with few-nucleon calculations using CD Bonn nuclear potential in the Faddeev formalism.
doi: 10.1103/PhysRevC.101.034002
2019KR10 Phys.Rev. C 100, 014608 (2019) Krishichayan, M.Bhike, C.R.Howell, A.P.Tonchev, W.Tornow Fission product yield measurements using monoenergetic photon beams NUCLEAR REACTIONS 235,238U, 239Pu(polarized γ, F)84Br/85mKr/87Kr/88Kr/91Sr/92Sr/92Y/93Y/94Y/95Zr/97Zr/99Mo/103Ru/104Tc/105Ru/105Rh/115Cd/127Sb/128Sn/129Sb/130Sb/131Sb/131I/132Te/132Cs/133Te/133I/134Te/135I/136Cs/138Cs/139Ba/140Ba/141Ba/141Ce/142La/143Ce/146Pr/147Nd/149Nd/151Pm, E=13 MeV; measured fission fragments, Eγ, Iγ, fission product yields (FPY) using dual fission chamber for fission fragments and offline γ detection at TUNL-HIγS facility. Comparison with previous experimental neutron- and photon-induced fission product yields. RADIOACTIVITY 91,92Sr, 142La(β-)[from 235,238U, 239Pu(polarized γ, F), E=13 MeV at TUNL-HIγS facility]; measured half-lives of decay of 91Sr, 92Sr, and 142La, and compared with values from ENSDF database at NNDC.
doi: 10.1103/PhysRevC.100.014608
2018KR03 Phys.Rev. C 98, 014608 (2018), Erratum Phys.Rev. C 107, 039906 (2023) Krishichayan, S.W.Finch, C.R.Howell, A.P.Tonchev, W.Tornow Monoenergetic photon-induced fission cross-section ratio measurements for 235U, 238U, and 239Pu from 9.0 to 17.0 MeV NUCLEAR REACTIONS 235,238U, 239Pu(polarized γ, F), E=9.0-17.0 MeV; measured fission fragments, photofission σ(E), cross sections ratios for the target nuclei using dual-fission ionization chamber (DFC), and quasimonoenergetic Compton backscattered photon beam from HIγS facility of TUNL. Comparison with previous experimental values, with evaluated data in ENDF/B-VII.1 library, and with theoretical calculations using TENDL-2009 code.
doi: 10.1103/PhysRevC.98.014608
2018YA23 Phys.Rev. C 98, 054621 (2018) S.A.Yates, B.Fallin, C.R.Howell, Krishichayan, W.Tornow, S.M.Grimes Measurement of the 80Se (γ, n) reaction with linearly polarized γ rays NUCLEAR REACTIONS 80Se(polarized γ, n), E=15.6, 15.8, 16.0 MeV; measured E(n), I(n), neutron time-of-flight, differential σ(E, θ), total σ, linear polarization using liquid-scintillation detectors for neutron detection at HIGS-TUNL facility; deduced reaction matrix elements; data analyzed using (γ, n) reaction angular correlation formalism. 79Se; deduced nuclear level density, GDR, nuclear level density model that fits the data best. Comparison with statistical model calculations using Hauser-Feshbach formalism, and with previous experimental values. Relevance to time reversed 79Se(n, γ) reaction, and s-process formation of 82Kr.
doi: 10.1103/PhysRevC.98.054621
2017CA06 Prog.Part.Nucl.Phys. 94, 68 (2017) J.Carlson, M.P.Carpenter, R.Casten, C.Elster, P.Fallon, A.Gade, C.Gross, G.Hagen, A.C.Hayes, D.W.Higinbotham, C.R.Howell, C.J.Horowitz, K.L.Jones, F.G.Kondev, S.Lapi, A.Macchiavelli, E.A.McCutchan, J.Natowitz, W.Nazarewicz, T.Papenbrock, S.Reddy, M.J.Savage, G.Savard, B.M.Sherrill, L.G.Sobotka, M.A.Stoyer, M.B.Tsang, K.Vetter, I.Wiedenhoever, A.H.Wuosmaa, S.Yennello White paper on nuclear astrophysics and low-energy nuclear physics, Part 2: Low-energy nuclear physics
doi: 10.1016/j.ppnp.2016.11.002
2017KR02 Nucl.Instrum.Methods Phys.Res. A854, 40 (2017) Krishichayan, M.Bhike, S.W.Finch, C.R.Howell, A.P.Tonchev, W.Tornow Photofission cross-section ratio measurement of 235U/238U using monoenergetic photons in the energy range of 9.0-16.6 MeV NUCLEAR REACTIONS 235,238U(γ, F), E=9.0-16.6 MeV; measured fission fragments, Eγ, Iγ; deduced fission σ ratio. Comparison with experimental and ENDF/B-VII.1 evaluated data.
doi: 10.1016/j.nima.2017.02.043
2017SI26 Phys.Rev. C 96, 055209 (2017) M.H.Sikora, M.W.Ahmed, A.Banu, C.Bartram, B.Crowe, E.J.Downie, G.Feldman, H.Gao, H.W.Griesshammer, H.Hao, C.R.Howell, H.J.Karwowski, D.P.Kendellen, M.A.Kovash, X.Li, D.M.Markoff, S.Mikhailov, V.Popov, R.E.Pywell, J.A.Silano, M.C.Spraker, P.Wallace, H.R.Weller, C.S.Whisnant, Y.K.Wu, W.Xiong, X.Yan, Z.W.Zhao Compton scattering from 4He at 61 MeV NUCLEAR REACTIONS 4He(γ, γ'), E=61 MeV; measured Eγ, Iγ, Compton scattering differential σ(θ) using NaI(Tl) detectors and liquid 4He target at HIγS facility at TUNL. Data interpreted using phenomenological model sensitive to the dipole isoscalar electromagnetic polarizabilities of the nucleon. Comparison with previous experimental data. Benchmarks for future calculations from effective field theories and lattice quantum chromodynamics.
doi: 10.1103/PhysRevC.96.055209
2016GO02 Nucl.Data Sheets 131, 319 (2016) M.E.Gooden, C.W.Arnold, J.A.Becker, C.Bhatia, M.Bhike, E.M.Bond, T.A.Bredeweg, B.Fallin, M.M.Fowler, C.R.Howell, J.H.Kelley, Krishichayan, R.Macri, G.Rusev, C.Ryan, S.A.Sheets, M.A.Stoyer, A.P.Tonchev, W.Tornow, D.J.Vieira, J.B.Wilhelmy Energy Dependence of Fission Product Yields from 235U, 238U and 239Pu for Incident Neutron Energies Between 0.5 and 14.8 MeV NUCLEAR REACTIONS 235,238U, 239Pu(n, F), E=0.5-14.8 MeV; measured reaction products, Eγ, Iγ; deduced fission yields.
doi: 10.1016/j.nds.2015.12.006
2015BH09 Phys.Rev. C 91, 064604 (2015) C.Bhatia, B.F.Fallin, M.E.Gooden, C.R.Howell, J.H.Kelley, W.Tornow, C.W.Arnold, E.Bond, T.A.Bredeweg, M.M.Fowler, W.Moody, R.S.Rundberg, G.Y.Rusev, D.J.Vieira, J.B.Wilhelmy, J.A.Becker, R.Macri, C.Ryan, S.A.Sheets, M.A.Stoyer, A.P.Tonchev Exploratory study of fission product yields of neutron-induced fission of 235U, 238U, and 239Pu at 8.9 MeV NUCLEAR REACTIONS 235,238U, 239Pu(n, F), E=8.9 MeV; measured Eγ, Iγ of fission products of 92Sr, 97Zr, 99Mo, 105Ru, 132Te, 133I, 140Ba, 143Ce, 147Nd at TUNL facility; deduced absolute fission product yields by γ activation method. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.91.064604
2014BR06 Phys.Rev.Lett. 112, 212301 (2014) L.J.Broussard, H.O.Back, M.S.Boswell, A.S.Crowell, P.Dendooven, G.S.Giri, C.R.Howell, M.F.Kidd, K.Jungmann, W.L.Kruithof, A.Mol, C.J.G.Onderwater, R.W.Pattie, Jr., P.D.Shidling, M.Sohani, D.J.van der Hoek, A.Rogachevskiy, E.Traykov, O.O.Versolato, L.Willmann, H.W.Wilschut, A.R.Young Measurement of the Half-Life of the T= 1/2 Mirror Decay of 19Ne and its Implication on Physics Beyond the Standard Model RADIOACTIVITY 19Ne(EC) [from 19F(p, n), E=10.5 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2. Comparison with available data and systematics.
doi: 10.1103/PhysRevLett.112.212301
2014GO18 Nucl.Data Sheets 119, 121 (2014) M.E.Gooden, B.A.Fallin, S.W.Finch, J.H.Kelley, C.R.Howell, G.Rusev, A.P.Tonchev, W.Tornow, V.Stanislav Partial Cross Sections of Neutron-Induced Reactions on natCu at En = 6, 8, 10, 12, 14, and 16 MeV for Oνββ Background Studies NUCLEAR REACTIONS 63,65Cu(n, n'γ), E=6, 8, 10, 12, 14, 16 MeV; measured Eγ, Iγ(θ) using HPGe; deduced discrete level gated σ using γ ray angular distribution from Dicebox code; calculated discrete level gated σ using TALYS. Compared with ENDF/B-VII.1 and LANL data. Preliminary.
doi: 10.1016/j.nds.2014.08.034
2014WE04 Phys.Rev. C 89, 054001 (2014) G.J.Weisel, W.Tornow, A.S.Crowell, J.H.Esterline, G.M.Hale, C.R.Howell, P.D.O'Malley, J.R.Tompkins, H.Witala Neutron-deuteron analyzing power data at En = 22.5 MeV NUCLEAR REACTIONS 2H(polarized n, n), [polarized neutrons from 2H(polarized d, n) reaction], E=22.5 MeV; measured E(n), I(n), n-d analyzing power Ay(θ) using ABPIS facility at TUNL. Monte-Carlo simulations. Comparison with Faddeev calculations using several different NN potentials. Discussed three-nucleon analyzing power puzzle.
doi: 10.1103/PhysRevC.89.054001
2013MA39 Phys.Rev. C 87, 054613 (2013) S.MacMullin, M.Kidd, R.Henning, W.Tornow, C.R.Howell, M.Brown Measurement of the elastic scattering cross section of neutrons from argon and neon NUCLEAR REACTIONS 20Ne(n, n), E=5.0, 8.0 MeV; 40Ar(n, n), E=6.0 MeV; measured neutron and γ-ray spectra, TOF, σ, differential σ(θ) using liquid scintillator detectors at TUNL facility. Spherical optical model (SOM) analysis of experimental data using the GENOA computer code. Comparison with Koning and Delaroche local optical-model parameters, and with ENDF/B-VII.0 parameters. Relevance to neutron background contributions in direct dark matter searches. Accurate data for benchmarking global optical models. Improved cross-section libraries for the GEANT4 simulation code.
doi: 10.1103/PhysRevC.87.054613
2012AL15 Phys.Rev. C 86, 034603 (2012) M.A.Al-Ohali, J.P.Delaroche, C.R.Howell, M.M.Nagadi, A.A.Naqvi, W.Tornow, R.L.Walter, G.J.Weisel Neutron scattering from 28Si and 32S from 8.0 to 18.9 MeV, dispersive optical model analyses, and ground-state correlations NUCLEAR REACTIONS 28Si(n, n), E=15.4, 18.9 MeV; 32S(n, n), E=8.0, 9.9, 11.9, 13.9, 15.4, 16.9, 18.9 MeV; measured E(n), I(n), TOF, σ(E, θ), total σ(E), Ay(θ); deduced optical model potentials parameters by nucleon-nucleus dispersive optical model (DOM) analysis in the continuum and bound-state regions. 28Si(n, n), E=2.45-65.0; 32S(n, n), E=3.0-40.0 MeV; analyzed σ(E, θ) and Ay(θ) data from previous experiments by DOM. 28Si, 32S(n, n), E=2-160 MeV; analyzed total σ(E) by DOM. 28Si, 32S; deduced neutron and proton binding energies, occupation probabilities, root-mean-square radii, spectroscopic factors, and compared with variational multiparticle multihole configuration mixing (mp-mh CM) shell-model calculation using the Gogny D1S effective force.
doi: 10.1103/PhysRevC.86.034603
2012AR01 Phys.Rev. C 85, 044605 (2012) C.W.Arnold, T.B.Clegg, C.Iliadis, H.J.Karwowski, G.C.Rich, J.R.Tompkins, C.R.Howell Cross-section measurement of 9Be(γ, n)8Be and implications for α+α+n → 9Be in the r process NUCLEAR REACTIONS 9Be(γ, n)8Be, E=1.5-5.2 MeV; measured neutron spectra, Eγ, σ(E) using HIγS facility at TUNL. 9Be; deduced resonance energies, neutron and gamma widths, B(E1), B(M1), neutron branching ratios. Deduced astrophysical reaction rate for 4He(αn, γ)9Be reaction for r-process nucleosynthesis sites. Comparison with previous studies using (γ, n) and (e, e') reactions.
doi: 10.1103/PhysRevC.85.044605
2012CO11 Phys.Rev. C 85, 054004 (2012) A.H.Couture, T.B.Clegg, S.Tajima, C.R.Howell, B.Fallin, J.H.Esterline, A.S.Crowell, B.J.Crowe, D.M.Markoff, L.C.Cumberbatch, R.S.Pedroni, H.Witala Cross-section measurements of 2H(n, np)n in symmetric star configurations NUCLEAR REACTIONS 2H(n, np), E=16, 19 MeV; measured particle spectra, time-of-flight, np-coin, σ in space-star (SST) and coplanar star (CST) neutron-deuteron breakup configurations. Comparison with Monte Carlo simulations based on rigorous three-nucleon Faddeev calculations. Discussed discrepancies between data and theory; deficiencies in theoretical treatment of three-nucleon forces or in knowledge of the neutron-neutron 1S0 force.
doi: 10.1103/PhysRevC.85.054004
2012HA12 Phys.Rev. C 85, 044302 (2012) S.L.Hammond, A.S.Adekola, C.T.Angell, H.J.Karwowski, E.Kwan, G.Rusev, A.P.Tonchev, W.Tornow, C.R.Howell, J.H.Kelley Dipole response of 238U to polarized photons below the neutron separation energy NUCLEAR REACTIONS 238U(polarized γ, γ'), E=2.0-6.2 MeV; measured Eγ, Iγ, γ(θ), γ(linear pol), integrated cross sections using HIγS facility at TUNL. 238U; deduced levels, J, π, multipolarity, widths, branching ratios, B(M1), B(E1), total γ-ray interaction cross section for E1. Systematics of E1 and M1 strengths for 232Th, 236,238U. Comparison with QRPA calculations.
doi: 10.1103/PhysRevC.85.044302
2012ST15 Nucl.Phys. A895, 33 (2012) S.L.Stephenson, B.E.Crawford, W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, E.I.Sharapov, V.N.Shvetsov, A.V.Strelkov, B.G.Levakov, A.E.Lyzhin, Yu.I.Chernukhin, C.R.Howell, G.E.Mitchell, W.Tornow, R.A.Showalter-Bucher Experiment on direct nn scattering - The radiation-induced outgassing complication NUCLEAR REACTIONS 1n(n, n), E=thermal[thermalized from YAGUAR pulsed reactor]; measured En, In using 3He thick and thin ionization detector and n4He ToF; analyzed feasibility to deduce σnn, neutron-neutron scattering length, neutron-neutron interaction, electron energy deposition in walls and radiation-induced desorption.
doi: 10.1016/j.nuclphysa.2012.09.005
2011AD02 Phys.Rev. C 83, 034615 (2011) A.S.Adekola, C.T.Angell, S.L.Hammond, A.Hill, C.R.Howell, H.J.Karwowski, J.H.Kelley, E.Kwan Discovery of low-lying E1 and M1 strengths in 232Th NUCLEAR REACTIONS 232Th(γ, γ'), E=2-4 MeV; measured Eγ, Iγ, γγ(θ), integrated σ using HIγS facility; deduced widths. 232Th; deduced levels, J, π, multipolarity, B(M1), B(E1), branching ratios. Comparison of scissors mode summed B(M1) strengths with those in 232Th, 235,236,238U, and with predictions of quasiparticle random-phase approximation (QRPA).
doi: 10.1103/PhysRevC.83.034615
2011KW01 Phys.Rev. C 83, 041601 (2011) E.Kwan, G.Rusev, A.S.Adekola, F.Donau, S.L.Hammond, C.R.Howell, H.J.Karwowski, J.H.Kelley, R.S.Pedroni, R.Raut, A.P.Tonchev, W.Tornow Discrete deexcitations in 235U below 3 MeV from nuclear resonance fluorescence NUCLEAR REACTIONS 235U(γ, γ'), E=1.6-3.0 MeV; measured Eγ, Iγ, γγ-coin, integrated cross sections, and widths using HIγS facility. 235U; deduced levels, J, π, branching ratios. Comparison with quasiparticle random-phase approximation in deformed basis for dipole transitions.
doi: 10.1103/PhysRevC.83.041601
2011MU10 Phys.Rev. C 83, 064605 (2011) J.M.Mueller, R.J.Charity, R.Shane, L.G.Sobotka, S.J.Waldecker, W.H.Dickhoff, A.S.Crowell, J.H.Esterline, B.Fallin, C.R.Howell, C.Westerfeldt, M.Youngs, B.J.Crowe, III, R.S.Pedroni Asymmetry dependence of nucleon correlations in spherical nuclei extracted from a dispersive-optical-model analysis NUCLEAR REACTIONS 40,48Ca(n, n), E=11.9, 16.9 MeV; measured E(n), I(n), σ, σ(E, θ), time-of-flight spectra. 40Ca(n, n), E=9.9-85.0; 48Ca(n, n), E=7.97-16.9 MeV; 54Ca(n, n), E=5.5-26.0 MeV; 58,60Ni(n, n), E=4.5-24.0 MeV; 92Mo(n, n), E=7.0-30.4 MeV; 116,118Sn(n, n), E=9.95-24.0 MeV; 120Sn(n, n), E=9.94-16.91 MeV; 124Sn(n, n), E=11.0-24.0 MeV; 208Pb(n, n), E=4.0-185.0 MeV; 50Ti(p, p), E=6.0-65.0 MeV; 52Cr(p, p), E=10.77-39.9 MeV; 54Fe, 64Ni(p, p), E=9.69-65.0 MeV; 58Ni(p, p), E=7.0-192.0 MeV; 60Ni(p, p), E=7.0-178.0 MeV; 62Ni(p, p), E=8.02-156.0 MeV; 90Zr(p, p), E=5.57-185.0 MeV; 92Mo(p, p), E=12.5-49.45 MeV; 114Sn(p, p), E=30.4 MeV; 116Sn(p, p), E=16.0-61.4 MeV; 118,122,124Sn(p, p), E=16.0-49.35 MeV; 120Sn(p, p), E=9.8-156.0 MeV; 208Pb(p, p), E=9.0-200.0 MeV; analyzed total cross sections, σ(E, θ), single-particle levels, spectroscopic factors, occupation probabilities, mass dependence on cross section. Dispersal optical model (DOM) analysis.
doi: 10.1103/PhysRevC.83.064605
2011RA08 Phys.Rev. C 83, 044621 (2011) R.Raut, A.S.Crowell, B.Fallin, C.R.Howell, C.Huibregtse, J.H.Kelley, T.Kawano, E.Kwan, G.Rusev, A.P.Tonchev, W.Tornow, D.J.Vieira, J.B.Wilhelmy Cross-section measurements of neutron-induced reactions on GaAs using monoenergetic beams from 7.5 to 15 MeV NUCLEAR REACTIONS 69Ga(n, 2n)68Ga, 69Ga(n, p)69mZn, 71Ga(n, p)71mZn, 75As(n, 2n)74As, 75As(n, p)75Ge, E=7.5, 8.0, 8.5, 9.5, 10.2, 11.0, 11.5, 12.5, 13.25, 14.0, 14.5, 15.0 MeV; measured Eγ, Iγ; deduced half-lives and σ. 27Al(n, α)24Na, 197Au(n, 2n)196Au, E=7.5-14.5 MeV; measured σ and used as monitor reactions. Comparison of measured cross sections with previous data and statistical model calculations based on the Hauser-Feshbach formalism, using the TALYS and the COH3 codes.
doi: 10.1103/PhysRevC.83.044621
2011TO10 Phys.Rev. C 84, 044331 (2011) J.R.Tompkins, C.W.Arnold, H.J.Karwowski, G.C.Rich, L.G.Sobotka, C.R.Howell Measurements of the 48Ca(γ, n) reaction NUCLEAR REACTIONS 48Ca(polarized γ, n), E=9.5-15.3 MeV; measured E(n), I(n), Eγ, excitation functions, cross section; deduced B(M1) for 10.23 MeV resonance. High-intensity γ-ray source at TUNL. Comparison with previous studies, and with extended random-phase approximation calculations.
doi: 10.1103/PhysRevC.84.044331
2010TO09 Phys.Rev. C 82, 054620 (2010) A.P.Tonchev, S.L.Hammond, C.R.Howell, C.Huibregtse, A.Hutcheson, J.H.Kelley, E.Kwan, R.Raut, G.Rusev, W.Tornow, T.Kawano, D.J.Vieira, J.B.Wilhelmy Measurement of the 241Am(γ, n)240Am reaction in the giant dipole resonance region NUCLEAR REACTIONS 241Am(γ, n), E=9.0-15.6 MeV; measured Eγ, Iγ, σ using HIγS facility. Giant dipole resonance region. Comparison with previous measurements and statistical nuclear-model calculations.
doi: 10.1103/PhysRevC.82.054620
2010WE01 Phys.Rev. C 81, 024003 (2010) G.J.Weisel, W.Tornow, B.J.Crowe III, A.S.Crowell, J.H.Esterline, C.R.Howell, J.H.Kelley, R.A.Macri, R.S.Pedroni, R.L.Walter, H.Witala Neutron-deuteron analyzing power data at 19.0 MeV NUCLEAR REACTIONS 2H(polarized n, n), E(n)=19.0 MeV; measured analyzing powers; Monte Carlo simulation. Polarized neutrons produced in 2H(polarized d, n)3He reaction and neutron polarization measured in 4He(polarized n, n) reaction. Comparison with a three-body Faddeev calculation.
doi: 10.1103/PhysRevC.81.024003
2010ZH34 Phys.Rev. C 82, 024601 (2010) Z.Zhou, X.Ruan, Y.Du, B.Qi, H.Tang, H.Xia, R.L.Walter, R.T.Braun, C.R.Howell, W.Tornow, G.J.Weisel, M.Dupuis, J.P.Delaroche, Z.Chen, Z.Chen, Y.Chen Differential cross section for neutron scattering from 209Bi at 37 MeV and the weak particle-core coupling NUCLEAR REACTIONS 209Bi(n, n), (n, n')E=37 MeV, [neutrons produced in 3H(d, n)]; measured neutron spectra, cross sections, σ(θ), TOF method. Optical model analysis of σ(θ) data. Optical-model (OM) + DWBA calculations with weak particle-core coupling for computing (n, n) and (n, n') cross sections.
doi: 10.1103/PhysRevC.82.024601
2009HU09 Phys.Rev. C 80, 014603 (2009) A.Hutcheson, C.Angell, J.A.Becker, A.S.Crowell, D.Dashdorj, B.Fallin, N.Fotiades, C.R.Howell, H.J.Karwowski, T.Kawano, J.H.Kelley, E.Kwan, R.A.Macri, R.O.Nelson, R.S.Pedroni, A.P.Tonchev, W.Tornow Cross sections for 238U(n, n'γ) and 238U(n, 2nγ) reactions at incident neutron energies between 5 and 14 MeV NUCLEAR REACTIONS 238U(n, n'γ), (n, 2nγ), E=5-14 MeV; measured Eγ, yields, σ and excitation functions. Comparison with existing data and calculations using the GNASH and TALYS Hauser-Feshbach statistical-model codes.
doi: 10.1103/PhysRevC.80.014603
2008BR01 Phys.Lett. B 660, 161 (2008) R.T.Braun, W.Tornow, C.R.Howell, D.E.Gonzalez Trotter, C.D.Roper, F.Salinas, H.R.Setze, R.L.Walter, G.J.Weisel Neutron-proton analyzing power at 12 MeV and inconsistencies in parametrizations of nucleon-nucleon data NUCLEAR REACTIONS 1H(polarized n, n), E=12 MeV; measured analyzing power Ay(θ) and compared with various model predictions.
doi: 10.1016/j.physletb.2007.12.039
2008CH14 Phys.Rev. C 77, 054002 (2008) Q.Chen, C.R.Howell, T.S.Carman, W.R.Gibbs, B.F.Gibson, A.Hussein, M.R.Kiser, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, H.R.Setze, I.Slaus, S.Sterbenz, W.Tornow, R.L.Walter, C.R.Whiteley, M.Whitton Measurement of the neutron-neutron scattering length using the π-d capture reaction NUCLEAR REACTIONS 2H(π-, nγ)n, E=20 MeV; measured neutron time-of-flight spectra, Eγ, Iγ, nγ-coin, neutron-neutron scattering length.
doi: 10.1103/PhysRevC.77.054002
2008EL09 Phys.Rev. C 78, 064303 (2008); Erratum Phys.Rev. C 88, 029903 (2013) E.Elhami, J.N.Orce, M.Scheck, S.Mukhopadhyay, S.N.Choudry, M.T.McEllistrem, S.W.Yates, C.Angell, M.Boswell, B.Fallin, C.R.Howell, A.Hutcheson, H.J.Karwowski, J.H.Kelley, Y.Parpottas, A.P.Tonchev, W.Tornow Experimental study of the low-lying structure of 94Zr with the (n, n'γ) reaction NUCLEAR REACTIONS 94Zr(n, n'γ), E=2.5-4.0 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, half-lives by Doppler shift attenuation; deduced levels, J, π, multipolarities, mixing ratios, B(M1), B(E2).90,92,96,98,100,102Zr, 96Ru, 94,96Mo; systematics. Comparison with IBA and shell model calculations.
doi: 10.1103/PhysRevC.78.064303
2008ST10 Phys.Rev. C 77, 054607 (2008) S.Stave, M.W.Ahmed, A.J.Antolak, M.A.Blackston, A.S.Crowell, B.L.Doyle, S.S.Henshaw, C.R.Howell, P.Kingsberry, B.A.Perdue, P.Rossi, R.M.Prior, M.C.Spraker, H.R.Weller Cross section measurements of the 10B(d, n0)11C reaction below 160 keV NUCLEAR REACTIONS 10B(d, n)11C, E<160 keV; measured σ, astrophysical S factors, neutron spectra, angular distributions. Comparison with DWBA and Hauser-Feshbach calculations.
doi: 10.1103/PhysRevC.77.054607
2008TO06 Phys.Rev. C 77, 054610 (2008) A.P.Tonchev, C.T.Angell, M.Boswell, A.S.Crowell, B.Fallin, S.Hammond, C.R.Howell, A.Hutcheson, H.J.Karwowski, J.H.Kelley, R.S.Pedroni, W.Tornow, J.A.Becker, D.Dashdorj, J.Kenneally, R.A.Macri, M.A.Stoyer, C.Y.Wu, E.Bond, M.B.Chadwick, J.Fitzpatrick, T.Kawano, R.S.Rundberg, A.Slemmons, D.J.Vieira, J.B.Wilhelmy Measurement of the 241Am(n, 2n) reaction cross section from 7.6 MeV to 14.5 MeV NUCLEAR REACTIONS 241Am(n, 2n), E=7.6-14.5 MeV; measured Eγ, Iγ, neutron time-of-flight spectra, σ, excitation functions. Comparison with evaluated data in ENDF/B-VII and JENDL-3.3.
doi: 10.1103/PhysRevC.77.054610
2007MU11 Nucl.Phys. A789, 30 (2007) A.Yu.Muzichka, W.I.Furman, E.V.Lychagin, A.R.Krylov, G.V.Nekhaev, E.I.Sharapov, V.N.Shvetsov, A.V.Strelkov, B.G.Levakov, A.E.Lyzhin, Yu.I.Chernukhin, Ya.Z.Kandiev, C.R.Howell, G.E.Mitchell, B.E.Crawford, S.L.Stephenson, W.Tornow, and the DIANNA Collaboration Background determination for the neutron-neutron scattering experiment at the reactor YAGUAR
doi: 10.1016/j.nuclphysa.2007.03.163
2006GO11 Phys.Rev. C 73, 034001 (2006) D.E.Gonzalez Trotter, F.Salinas Meneses, W.Tornow, C.R.Howell, Q.Chen, A.S.Crowell, C.D.Roper, R.L.Walter, D.Schmidt, H.Witala, W.Glockle, H.Tang, Z.Zhou, I.Slaus Neutron-deuteron breakup experiment at En = 13 MeV: Determination of the 1S0 neutron-neutron scattering length ann NUCLEAR REACTIONS 2H(n, 2n), E=13 MeV; measured En, nn-coin, σ(θ(1), θ(2)); deduced neutron-neutron scattering length, no significant three-nucleon force effects. Comparison with model predictions and previous measurements.
doi: 10.1103/PhysRevC.73.034001
2006MA08 Nucl.Phys. A764, 261 (2006) G.MacLachlan, A.Aghalaryan, A.Ahmidouch, B.D.Anderson, R.Asaturyan, O.Baker, A.R.Baldwin, D.Barkhuff, H.Breuer, R.Carlini, E.Christy, S.Churchwell, L.Cole, E.Crouse, S.Danagoulian, D.Day, T.Eden, M.Elaasar, R.Ent, M.Farkhondeh, H.Fenker, J.M.Finn, L.Gan, K.Garrow, P.Gueye, C.R.Howell, B.Hu, M.K.Jones, J.J.Kelly, C.Keppel, M.Khandaker, W.-Y.Kim, S.Kowalski, A.Lai, A.Lung, D.Mack, R.Madey, D.M.Manley, P.Markowitz, J.Mitchell, H.Mkrtchyan, A.K.Opper, B.Plaster, C.Perdrisat, V.Punjabi, B.Raue, T.Reichelt, J.Reinhold, J.Roche, Y.Sato, N.Savvinov, A.Yu.Semenov, I.A.Semenova, W.Seo, N.Simicevic, G.Smith, S.Taylor, S.Stepanyan, V.Tadevosyan, S.Tajima, L.Tang, W.Tireman, P.E.Ulmer, W.Vulcan, J.W.Watson, S.P.Wells, F.Wesselmann, S.Wood, C.Yan, C.Yan, S.Yang, L.Yuan, W.-M.Zhang, H.Zhu, X.Zhu The ratio of proton electromagnetic form factors via recoil polarimetry at Q2=1.13 (GeV/c)2 NUCLEAR REACTIONS 1H(polarized e, e'p), E=2329 MeV; measured recoil proton spectra, polarization. 1H deduced ratio of electromagnetic form factors.
doi: 10.1016/j.nuclphysa.2005.09.012
2006SA03 Phys.Rev. C 73, 015801 (2006) A.Sabourov, M.W.Ahmed, M.A.Blackston, A.S.Crowell, C.R.Howell, B.A.Perdue, K.Sabourov, A.Tonchev, H.R.Weller, R.M.Prior, M.C.Spraker Astrophysical S factor for the 7Li(d, n0)8Be and 7Li(d, n1)8Be reactions NUCLEAR REACTIONS 7Li(d, n), E=45, 60, 80 keV; measured neutron spectra, σ(E); deduced integrated yields, astrophysical S-factor.
doi: 10.1103/PhysRevC.73.015801
2006SA49 Phys.Rev.C 74, 064611 (2006) A.Sabourov, M.W.Ahmed, M.A.Blackston, A.S.Crowell, C.R.Howell, K.Joshi, S.O.Nelson, B.A.Perdue, K.Sabourov, A.Tonchev, H.R.Weller, R.M.Prior, M.C.Spraker, B.Braizinha, N.Kalantar-Nayestanaki The 7Li(d(pol), n0)8Be and 7Li(d(pol), n1)8Be reactions below 160 keV NUCLEAR REACTIONS 7Li(polarized d, n), E=80, 130, 160 keV; measured σ(E, θ), analyzing powers; deduced transition matrix elements. Finite-range DWBA calculations, coupled reaction channels calculations.
doi: 10.1103/PhysRevC.74.064611
2005CR08 Nucl.Instrum.Methods Phys.Res. B241, 190 (2005) B.E.Crawford, W.I.Furman, C.R.Howell, E.V.Lychagin, B.G.Levakov, V.I.Litvin, A.E.Lyzhin, E.P.Magda, G.E.Mitchell, A.Yu.Muzichka, G.V.Nekhaev, E.I.Sharapov, V.N.Shvetsov, S.L.Stephenson, A.V.Strelkov, W.Tornow Direct nn-scattering at the YAGUAR reactor
doi: 10.1016/j.nimb.2005.07.023
2005MI17 J.Res.Natl.Inst.Stand.Technol. 110, 225 (2005) G.E.Mitchell, W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, A.V.Strelkov, E.I.Sharapov, V.N.Shvetsov, Yu.I.Chernukhin, B.G.Levakov, V.I.Litvin, A.E.Lyzhin, E.P.Magda, B.E.Crawford, S.L.Stephenson, C.R.Howell, W.Tornow Direct nn-Scattering Measurement With the Pulsed Reactor YAGUAR
doi: 10.6028/jres.110.029
2005MI36 Braz.J.Phys. 35, 850 (2005) G.E.Mitchell, W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, A.V.Strelkov, E.I.Sharapov, V.N.Shvetsov, B.G.Levakov, V.I.Litvin, A.E.Lyzhin, E.P.Magda, B.E.Crawford, S.L.Stephenson, C.R.Howell, W.Tornow A Direct Measurement of the Neutron-Neutron Scattering Length
doi: 10.1590/S0103-97332005000500036
2005RO29 Phys.Rev. C 72, 024605 (2005) C.D.Roper, W.Tornow, R.T.Braun, Q.Chen, A.Crowell, D.Gonzalez Trotter, C.R.Howell, F.Salinas, R.Setze, R.L.Walter, Z.Chen, H.Tang, Z.Zhou Measurements of Ay(θ) for 12C(n, n)12C from En = 2.2 to 8.5 MeV NUCLEAR REACTIONS 12C(polarized n, n), E=2.2-8.5 MeV; measured Ay(θ). Comparison with previous data and model predictions.
doi: 10.1103/PhysRevC.72.024605
2005SE05 Phys.Rev. C 71, 034006 (2005) H.R.Setze, C.R.Howell, W.Tornow, R.T.Braun, D.E.Gonzalez Trotter, A.H.Hussein, R.S.Pedroni, C.D.Roper, F.Salinas, I.Slaus, B.Vlahovic, R.L.Walter, G.Mertens, J.M.Lambert, H.Witala, W.Glockle Cross-section measurements of neutron-deuteron breakup at 13.0 MeV NUCLEAR REACTIONS 2H(n, n), (n, 2n), E=13 MeV; measured En, nn-coin, σ(θ1, θ2) for seven exit-channel configurations. Comparison with model predictions.
doi: 10.1103/PhysRevC.71.034006
2004CH62 J.Phys.(London) G30, 1847 (2004) Z.Chen, R.L.Walter, W.Tornow, G.J.Weisel, C.R.Howell A dispersive optical model for n + 120Sn from -15 to +80 MeV and properties of neutron single-particle and single-hole states NUCLEAR REACTIONS 120Sn(n, n), E=9.9-24 MeV; analyzed σ(θ), Ay(θ); Sn(n, X), E=5-80 MeV; analyzed total σ; deduced dispersive optical model parameters. 120Sn deduced neutron single-particle and single-hole states binding energies, spectroscopic factors.
doi: 10.1088/0954-3899/30/12/007
2004CR02 J.Phys.(London) G30, 1269 (2004) B.E.Crawford, S.L.Stephenson, C.R.Howell, G.E.Mitchell, W.Tornow, W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, A.V.Strelkov, E.I.Sharapov, V.N.Shvetsov Calculations of neutron spectra after neutron-neutron scattering NUCLEAR REACTIONS 1n, He, Ar(n, n'), E=reactor; calculated neutron spectra.
doi: 10.1088/0954-3899/30/9/024
2003NA27 Phys.Rev. C 68, 044610 (2003) M.M.Nagadi, C.R.Howell, W.Tornow, G.J.Weisel, M.A.Al-Ohali, R.T.Braun, H.R.Setze, Z.Chen, R.L.Walter, J.P.Delaroche, P.Romain Dispersive optical-model and coupled-channels descriptions of neutron scattering from 27Al and 59Co up to 80 MeV NUCLEAR REACTIONS 27Al, 59Co(polarized n, n), E=15 MeV; measured σ(θ), Ay(θ). 59Co(n, n), E=10-19 MeV; measured σ(θ). 2H(polarized d, n), E not given; measured neutron polarization. 27Al, 59Co(n, n), E=0.1-80 MeV; compiled, analyzed σ, σ(θ), Ay(θ); deduced optical model parameters. Dispersive optical model and coupled-channels model analysis.
doi: 10.1103/PhysRevC.68.044610
2003NE01 Phys.Lett. 552B, 29 (2003) E.M.Neidel, W.Tornow, D.E.Gonzalez Trotter, C.R.Howell, A.S.Crowell, R.A.Macri, R.L.Walter, G.J.Weisel, J.Esterline, H.Witala, B.J.Crowe III, R.S.Pedroni, D.M.Markoff A new twist to the long-standing three-nucleon analyzing power puzzle NUCLEAR REACTIONS 2H(polarized n, n), E=1.2, 1.9 MeV; measured Ay(θ); deduced possible electromagnetic effect. Comparison with theory, proton scattering data.
doi: 10.1016/S0370-2693(02)03106-4
2003TO20 Phys.Lett. B 574, 8 (2003) W.Tornow, N.G.Czakon, C.R.Howell, A.Hutcheson, J.H.Kelley, V.N.Litvinenko, S.F.Mikhailov, I.V.Pinayev, G.J.Weisel, H.Witala Low-energy photodisintegration of the deuteron and Big-Bang Nucleosynthesis NUCLEAR REACTIONS 2H(polarized γ, np), E=2.39-4.05 MeV; measured En, Ep, photon analyzing power; deduced M1 contribution to total σ. Implications for Big-Bang nucleosynthesis discussed.
doi: 10.1016/j.physletb.2003.08.078
2003TO32 Mod.Phys.Lett. A 18, 258 (2003) W.Tornow, E.M.Neidel, D.E.Gonzalez Trotter, C.R.Howell, A.S.Crowell, R.A.Macri, R.L.Walter, G.J.Weisel, J.Esterline, H.Witala, B.J.Crowe III, R.S.Pedroni, D.M.Markoff Electromagnetic effects and the long-standing three-nucleon analyzing power puzzle NUCLEAR REACTIONS 2H(polarized n, n), E=1.2, 1.9 MeV; measured Ay(θ); deduced electromagnetic effects.
doi: 10.1142/S0217732303010314
2003TO33 Mod.Phys.Lett. A 18, 282 (2003) W.Tornow, N.G.Czakon, C.R.Howell, A.Hutcheson, J.H.Kelley, V.N.Litvinenko, S.Mikhailov, I.V.Pinayev, G.J.Weisel, H.Witala Analyzing power for the photodisintegration of the deuteron between Eγ = 2.4 and 4.0 MeV NUCLEAR REACTIONS 2H(polarized γ, n), E=2.39-4.05 MeV; measured analyzing power. Comparison with model predictions.
doi: 10.1142/S021773230301034X
2003WI06 Phys.Rev. C 67, 064002 (2003) H.Witala, J.Golak, R.Skibinski, C.R.Howell, W.Tornow Effects of the magnetic moment interaction between nucleons on observables in the 3N continuum NUCLEAR REACTIONS 2H(n, n), (p, p), E=1.9, 10.0 MeV; calculated Ay(θ), iT11(θ), magnetic moment interaction effects. 2H(p, 2p), E=5, 13, 65 MeV; calculated σ(θ1, θ2), magnetic moment interaction effects. Comparisons with data.
doi: 10.1103/PhysRevC.67.064002
2003XU02 Phys.Rev. C 67, 012201 (2003) W.Xu, B.Anderson, L.Auberbach, T.Averett, W.Bertozzi, T.Black, J.Calarco, L.Cardman, G.D.Cates, Z.W.Chai, J.P.Chen, S.Choi, E.Chudakov, S.Churchwell, G.S.Corrado, C.Crawford, D.Dale, A.Deur, P.Djawotho, T.W.Donnelly, D.Dutta, J.M.Finn, H.Gao, R.Gilman, A.V.Glamazdin, C.Glashausser, W.Glockle, J.Golak, J.Gomez, V.G.Gorbenko, J.-O.Hansen, F.W.Hersman, D.W.Higinbotham, R.Holmes, C.R.Howell, E.Hughes, B.Humensky, S.Incerti, C.W.de Jager, J.S.Jensen, X.Jiang, C.E.Jones, M.Jones, R.Kahl, H.Kamada, A.Kievsky, I.Kominis, W.Korsch, K.Kramer, G.Kumbartzki, M.Kuss, E.Lakuriqi, M.Liang, N.Liyanage, J.LeRose, S.Malov, D.J.Margaziotis, J.W.Martin, K.McCormick, R.D.McKeown, K.McIlhany, Z.-E.Meziani, R.Michaels, G.W.Miller, J.Mitchell, S.Nanda, E.Pace, T.Pavlin, G.G.Petratos, R.I.Pomatsalyuk, D.Pripstein, D.Prout, R.D.Ransome, Y.Roblin, M.Rvachev, A.Saha, G.Salme, M.Schnee, T.Shin, K.Slifer, P.A.Souder, S.Strauch, R.Suleiman, M.Sutter, B.Tipton, L.Todor, M.Viviani, B.Vlahovic, J.Watson, C.F.Williamson, H.Witala, B.Wojtsekhowski, F.Xiong, J.Yeh, P.Zolnierczuk Plane-wave impulse approximation extraction of the neutron magnetic form factor from quasielastic 3He(pol)(e(pol), e') at Q2 = 0.3 to 0.6 (GeV/c)2 NUCLEAR REACTIONS 3He(polarized e, e'), E=0.778, 1.727 GeV; measured transverse spin-dependent asymmetry. 1n deduced magnetic form factor. Polarized target.
doi: 10.1103/PhysRevC.67.012201
2002FU16 J.Phys.(London) G28, 2627 (2002) W.I.Furman, E.V.Lychagin, A.Yu.Muzichka, G.V.Nekhaev, Yu.V.Safronov, A. V.Strelkov, E.I.Sharapov, V.N.Shvetsov, B.G.Levakov, V.I.Litvin, A.E.Lyzhin, E.P.Magda, C.R.Howell, G.E.Mitchell, W.Tornow, B.E.Crawford, S.L.Stephenson, C.D.Bowman Direct measurement of the neutron-neutron scattering cross section at the reactor YAGUAR NUCLEAR REACTIONS 63Cu, 197Au(n, γ), E=thermal; measured activation yields; deduced neutron flux density. Application to proposed neutron-neutron scattering experiment discussed.
doi: 10.1088/0954-3899/28/10/308
2001GO17 Nucl.Phys. A684, 701c (2001) D.E.Gonzalez Trotter, W.Tornow, C.R.Howell, R.L.Walter Neutron-Deuteron Analyzing Power at En = 2.0 MeV NUCLEAR REACTIONS 2H(polarized n, n), E=2.0 MeV; measured Ay(θ). Comparisons with proton data, model predictions.
doi: 10.1016/S0375-9474(01)00466-3
2001HO25 Nucl.Phys. A689, 298c (2001) Nucleon-Deuteron Breakup: Truths and implications NUCLEAR REACTIONS 2H(p, np), E=8-65 MeV; analyzed σ, σ(θ).
doi: 10.1016/S0375-9474(01)00844-2
2001XI04 Phys.Rev.Lett. 87, 242501 (2001) F.Xiong, D.Dutta, W.Xu, B.Anderson, L.Auberbach, T.Averett, W.Bertozzi, T.Black, J.Calarco, L.Cardman, G.D.Cates, Z.W.Chai, J.P.Chen, S.Choi, E.Chudakov, S.Churchwell, G.S.Corrado, C.Crawford, D.Dale, A.Deur, P.Djawotho, B.W.Filippone, J.M.Finn, H.Gao, R.Gilman, A.V.Glamazdin, C.Glashausser, W.Glockle, J.Golak, J.Gomez, V.G.Gorbenko, J.-O.Hansen, F.W.Hersman, D.W.Higinbotham, R.Holmes, C.R.Howell, E.Hughes, B.Humensky, S.Incerti, C.W.de Jager, J.S.Jensen, X.Jiang, C.E.Jones, M.Jones, R.Kahl, H.Kamada, A.Kievsky, I.Kominis, W.Korsch, K.Kramer, G.Kumbartzki, M.Kuss, E.Lakuriqi, M.Liang, N.Liyanage, J.LeRose, S.Malov, D.J.Margaziotis, J.W.Martin, K.McCormick, R.D.McKeown, K.McIlhany, Z.-E.Meziani, R.Michaels, G.W.Miller, E.Pace, T.Pavlin, G.G.Petratos, R.I.Pomatsalyuk, D.Pripstein, D.Prout, R.D.Ransome, Y.Roblin, M.Rvachev, A.Saha, G.Salme, M.Schnee, T.Shin, K.Slifer, P.A.Souder, S.Strauch, R.Suleiman, M.Sutter, B.Tipton, L.Todor, M.Viviani, B.Vlahovic, J.Watson, C.F.Williamson, H.Witala, B.Wojtsekhowski, J.Yeh, P.Zolnierczuk Precision Measurement of the Spin-Dependent Asymmetry in the Threshold Region of 3He(pol)(e(pol), e') NUCLEAR REACTIONS 3He(polarized e, e'), E=0.778, 1.727 GeV; measured spin-dependent asymmetry. Polarized target, comparison with model predictions.
doi: 10.1103/PhysRevLett.87.242501
2001ZH09 Nucl.Phys. A684, 545c (2001) Z.Zhou, A.S.Crowell, J.Deng, W.Glockle, C.R.Howell, H.Kamada, B.Qi, R.A.Macri, X.Ruan, H.Tang, R.L.Walter, H.Witala The Space-Star Anomaly in nd Breakup at 25 MeV NUCLEAR REACTIONS 2H(n, np), E=25 MeV; measured nn-coin, σ(θ). Comparison with model predictions.
doi: 10.1016/S0375-9474(01)00389-X
2000SC22 Phys.Rev. C61, 061604 (2000) E.C.Schreiber, R.S.Canon, B.T.Crowley, C.R.Howell, J.H.Kelley, V.N.Litvinenko, S.O.Nelson, S.H.Park, I.V.Pinayev, R.M.Prior, K.Sabourov, M.Spraker, W.Tornow, Y.Wu, E.A.Wulf, H.R.Weller First Measurement of the Near-Threshold 2H(γ(pol), n)p Analyzing Power using a Free-Electron Laser Based γ-Ray Source NUCLEAR REACTIONS 2H(polarized γ, n), E=3.58 MeV; measured neutron spectrum, analyzing power; deduced E1, M1 contributions to cross section. Free-electron laser.
doi: 10.1103/PhysRevC.61.061604
2000XU07 Phys.Rev.Lett. 85, 2900 (2000) W.Xu, D.Dutta, F.Xiong, B.Anderson, L.Auberbach, T.Averett, W.Bertozzi, T.Black, J.Calarco, L.Cardman, G.D.Cates, Z.W.Chai, J.P.Chen, S.Choi, E.Chudakov, S.Churchwell, G.S.Corrado, C.Crawford, D.Dale, A.Deur, P.Djawotho, B.W.Filippone, J.M.Finn, H.Gao, R.Gilman, A.V.Glamazdin, C.Glashausser, W.Glockle, J.Golak, J.Gomez, V.G.Gorbenko, J.-O.Hansen, F.W.Hersman, D.W.Higinbotham, R.Holmes, C.R.Howell, E.Hughes, B.Humensky, S.Incerti, C.W.de Jager, J.S.Jensen, X.Jiang, C.E.Jones, M.Jones, R.Kahl, H.Kamada, A.Kievsky, I.Kominis, W.Korsch, K.Kramer, G.Kumbartzki, M.Kuss, E.Lakuriqi, M.Liang, N.Liyanage, J.LeRose, S.Malov, D.J.Margaziotis, J.W.Martin, K.McCormick, R.D.McKeown, K.McIlhany, Z.-E.Meziani, R.Michaels, G.W.Miller, E.Pace, T.Pavlin, G.G.Petratos, R.I.Pomatsalyuk, D.Pripstein, D.Prout, R.D.Ransome, Y.Roblin, M.Rvachev, A.Saha, G.Salme, M.Schnee, T.Shin, K.Slifer, P.A.Souder, S.Strauch, R.Suleiman, M.Sutter, B.Tipton, L.Todor, M.Viviani, B.Vlahovic, J.Watson, C.F.Williamson, H.Witala, B.Wojtsekhowski, J.Yeh, P.Zolnierczuk Transverse Asymmetry AT' from the Quasielastic 3He(pol)(e(pol), e') Process and the Neutron Magnetic Form Factor NUCLEAR REACTIONS 3He(polarized e, e'), E=0.778, 1.727 GeV; measured transverse asymmetry. 1n deduced magnetic form factor. Polarized target.
doi: 10.1103/PhysRevLett.85.2900
1999GO22 Phys.Rev.Lett. 83, 3788 (1999) D.E.Gonzalez Trotter, F.Salinas, Q.Chen, A.S.Crowell, W.Glockle, C.R.Howell, C.D.Roper, D.Schmidt, I.Slaus, H.Tang, W.Tornow, R.L.Walter, H.Witala, Z.Zhou New Measurement of the 1S0 Neutron-Neutron Scattering Length using the Neutron-Proton Scattering Length as a Standard NUCLEAR REACTIONS 2H(n, np), E ≈ 13 MeV; measured neutron spectra, proton spectra, σ(θ(n), θ(p)); deduced nn and np scattering lengths.
doi: 10.1103/PhysRevLett.83.3788
1998HO08 Nucl.Phys. A631, 692c (1998) C.R.Howell, H.R.Setze, W.Tornow, R.T.Braun, W.Glockle, A.H.Hussein, J.M.Lambert, G.Mertens, C.D.Roper, F.Salinas, I.Slaus, D.E.Gonzalez Trotter, B.Vlahovic, R.L.Walter, H.Witala Implications of the Space-Star Anomaly in nd Breakup NUCLEAR REACTIONS 2H(n, np), E=13.0 MeV; measured σ(φ(12), θ(n1), θ(n2)); deduced space-star configuration anomaly.
doi: 10.1016/S0375-9474(98)00093-1
1998HO24 Phys.Lett. 444B, 252 (1998) C.R.Howell, Q.Chen, T.S.Carman, A.Hussein, W.R.Gibbs, B.F.Gibson, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, I.Slaus, S.Sterbenz, W.Tornow, R.L.Walter, C.R.Whitley, M.Whitton Toward a Resolution of the Neutron-Neutron Scattering-Length Issue NUCLEAR REACTIONS 2H(π-, nγ), E not given; measured En, nγ(θ); deduced neutron-neutron scattering length. TOF.
doi: 10.1016/S0370-2693(98)01386-0
1998TO06 Nucl.Phys. A631, 421c (1998) W.Tornow, T.S.Carman, Q.Chen, W.R.Gibbs, B.F.Gibson, D.E.Gonzalez Trotter, C.R.Howell, A.H.Hussein, G.Mertens, C.F.Moore, C.Morris, A.Obst, E.Pasyuk, C.D.Roper, F.Salinas, D.Schmidt, H.R.Setze, I.Slaus, S.Sterbenz, H.Tang, R.L.Walter, C.R.Whitley, H.Witala, Z.Zhou Scattering Length Measurements from Radiative Pion Capture and Neutron-Deuteron Breakup NUCLEAR REACTIONS 2H(π-, 2n), E not given; 2H(n, np), E=13 MeV; measured nn, np scattering lengths; deduced no three-nucleon force effects.
doi: 10.1016/S0375-9474(98)00040-2
1997AL27 Nucl.Instrum.Methods Phys.Res. A396, 388 (1997) M.A.Al-Ohali, A.Aksoy, A.Coban, J.M.Hanly, P.D.Felsher, C.R.Howell, W.Tornow, F.Salinas, R.L.Walter Determination of the Neutron Detection Efficiency of an NE213 Scintillator for E(n) = 2.5 to 1.6 MeV using the 2H(d, n)3He Reaction
doi: 10.1016/S0168-9002(97)00701-8
1997FE06 Phys.Rev. C56, 38 (1997) P.D.Felsher, C.R.Howell, W.Tornow, M.L.Roberts, J.M.Hanly, G.J.Weisel, M.Al Ohali, R.L.Walter, I.Slaus, J.M.Lambert, P.A.Treado, G.Mertens, A.C.Fonseca, A.Soldi, B.Vlahovic Analyzing Power Measurements for the d(pol) + d → d + p + n Breakup Reaction at 12 MeV NUCLEAR REACTIONS 2H(polarized d, nd), E=12 MeV; measured d, p, n spectra, σ(θ1, θ2) vs arc length, vector, tensor analyzing powers vs (θ1, θ2, arc length); deduced contributions from nucleon-nucleon P interactions. Impulse approximation calculations.
doi: 10.1103/PhysRevC.56.38
1996SE14 Phys.Lett. 388B, 229 (1996) H.R.Setze, C.R.Howell, W.Tornow, R.T.Braun, W.Glockle, A.H.Hussein, J.M.Lambert, G.Mertens, C.D.Roper, F.Salinas, I.Slaus, D.E.Gonzalez Trotter, B.Vlahovic, R.L.Walter, H.Witala Verification of the Space-Star Anomaly in nd Breakup NUCLEAR REACTIONS 2H(n, np), E=1-15 MeV; measured σ(θ1, θ2) vs arc length, total energy spectra, space-star, coplanar-star configurations; deduced space-star configuration related anomaly evidence.
doi: 10.1016/S0370-2693(96)01069-6
1996WE10 Phys.Rev. C54, 2410 (1996) G.J.Weisel, W.Tornow, C.R.Howell, P.D.Felsher, M.AlOhali, M.L.Roberts, R.K.Das, R.L.Walter, G.Mertens Analyzing Power Measurements for 209Bi(n, n) at 6 and 9 MeV and Consistent Dispersive Optical-Model Analyses for n + 209Bi and n + 208Pb from -20 to +80 MeV NUCLEAR REACTIONS 209Bi(polarized n, n), E=6, 9 MeV; measured neutron spectra, σ(θ), analyzing power vs θ. 209Bi(polarized n, n), E=1-80 MeV; 208Pb(polarized n, n), E=0.1-40 MeV; analyzed σ, σ(θ), analyzing power vs θ data; deduced model parameters. 209Pb deduced two-particle, two-hole states binding energies, occupation probabilities, spectroscopic factors, rms radii. Consistent dispersive optical model.
doi: 10.1103/PhysRevC.54.2410
1995HO24 Nucl.Instrum.Methods Phys.Res. B99, 316 (1995) C.R.Howell, H.R.Setze, R.T.Braun, D.E.Gonzalez Trotter, A.H.Hussein, C.D.Roper, F.Salinas, I.Slaus, W.Tornow, B.Vlahovic, R.L.Walter, G.Mertens, J.M.Lambert, H.Witala Probing the Three-Nucleon Force using Nucleon-Deuteron Breakup Reactions NUCLEAR REACTIONS 2H(n, X), E=13 MeV; measured σ(θ1, θ2) vs arc length in space-star, coplanar-star configurations following target breakup; deduced implications related to 3N-forces.
doi: 10.1016/0168-583X(94)00680-6
1994AK08 Nucl.Instrum.Methods Phys.Res. A337, 486 (1994) A.Aksoy, A.Coban, A.A.Naqvi, F.Z.Khiari, J.M.Hanly, C.R.Howell, W.Tornow, P.D.Felsher, M.A.Al-Ohali, R.L.Walter Response-Function Measurement of an NE213 Scintillator using the 2H(d, n)3He Reaction
doi: 10.1016/0168-9002(94)91118-5
1994HO34 Few-Body Systems 16, 127 (1994) C.R.Howell, W.Tornow, H.R.Setze, R.T.Braun, D.E.Gonzalez Trotter, C.D.Roper, R.S.Pedroni, S.M.Grimes, C.E.Brient, N.Al-Niemi, F.C.Goeckner, G.Mertens Resolution of Discrepancy between Backward Angle Cross-Section Data for Neutron-Deuteron Elastic Scattering NUCLEAR REACTIONS 2H(n, n), E=8-14 MeV; measured σ(θ). Mixed CD2-CH2 foil, recoil d, p measured. Model comparison.
doi: 10.1007/BF01355285
1993CH23 J.Phys.(London) G19, 877 (1993) Z.M.Chen, K.Baird, C.R.Howell, M.L.Roberts, W.Tornow, R.L.Walter Neutron Scattering from 12C between 15.6 and 17.3 MeV NUCLEAR REACTIONS 12C(n, n), (n, n'), E=15.57-17.29 MeV; measured σ(θ); deduced potential parameters. Optical-model, coupled-channels approach. Other data anlayzed.
doi: 10.1088/0954-3899/19/6/008
1993HO24 Phys.Rev. C48, 2855 (1993) C.R.Howell, P.D.Felsher, W.Tornow, M.L.Roberts, J.M.Hanly, G.J.Weisel, M.Al Ohali, R.L.Walter, I.Slaus, J.M.Lambert, P.A.Treado, G.Mertens Novel Probe of Charge Symmetry Breaking: Deuteron-Induced Deuteron Breakup NUCLEAR REACTIONS 2H(polarized d, pd), (polarized d, nd), (polarized d, np), E=12 MeV; measured vector, tensor analyzing power vs θ; deduced breakup reaction suitability as charge symmetry breaking probe.
doi: 10.1103/PhysRevC.48.2855
1993PA18 Phys.Rev. C48, 711 (1993) B.K.Park, J.Rapaport, G.Fink, J.L.Ullmann, A.G.Ling, D.S.Sorenson, F.P.Brady, J.L.Romero, C.R.Howell, W.Tornow, W.Unkelbach Energy Dependence of Multipole Strength Distributions in the 32S(n, p)32P Reaction NUCLEAR REACTIONS 32S(n, p), E=60-220 MeV; measured σ(θ, Ep), σ(θ); deduced Gamow-Teller transition strengths. Shell model, RPA comparison.
doi: 10.1103/PhysRevC.48.711
1993WA25 Nucl.Instrum.Methods Phys.Res. B79, 282 (1993) R.L.Walter, G.J.Weisel, R.K.Das, W.Tornow, C.R.Howell The Dispersive Optical Model for n + 208Pb and n + 209Bi NUCLEAR REACTIONS 209Bi(polarized n, n), E=9-26 MeV; analyzed σ(θ), analyzing power vs θ. 208Pb(n, n), E ≤ 80 MeV; analyzed σ(E). Dispersive optical model.
doi: 10.1016/0168-583X(93)95344-5
1993YA11 Phys.Rev. C48, 1158 (1993) X.Yang, L.Wang, J.Rapaport, C.D.Goodman, C.Foster, Y.Wang, W.Unkelbach, E.Sugarbaker, D.Marchlenski, S.de Lucia, B.Luther, J.L.Ullmann, A.G.Ling, B.K.Park, D.S.Sorenson, L.Rybarcyk, T.N.Taddeucci, C.R.Howell, W.Tornow Dipole and Spin-Dipole Resonances in Charge-Exchange Reactions on 12C NUCLEAR REACTIONS 12C(n, p), E=60-260 MeV; measured σ(θ, Ep); 12C(p, n), E=186 MeV; 12C(polarized p, n), E=160 MeV; measured σ(θ, En), polarization, spin observables, analyzing power; deduced dipole, spin-dipole resonances.
doi: 10.1103/PhysRevC.48.1158
1992PA06 Phys.Rev. C45, 1791 (1992) B.K.Park, J.Rapaport, J.L.Ullmann, A.G.Ling, D.S.Sorenson, F.P.Brady, J.L.Romero, C.R.Howell, W.Tornow, T.C.Ronnqvist Gamow-Teller and Dipole Strength Distribution in 40Ca(n, p)40K Reaction NUCLEAR REACTIONS 40Ca(n, p), E=60-260 MeV; measured σ(E, θ). 40K deduced Gamow-Teller strength, dipole, spin-dipole transition strength. DWIA analysis, compared with 1p-1h shell model predictions.
doi: 10.1103/PhysRevC.45.1791
1992SO02 Phys.Rev. C45, R500 (1992) D.S.Sorenson, X.Aslanoglou, F.P.Brady, J.R.Drummond, R.C.Haight, C.R.Howell, N.S.P.King, A.Ling, P.W.Lisowski, B.K.Park, J.Rapaport, J.L.Romero, W.Tornow, J.L.Ullmann Energy Dependence of the Gamow-Teller Strength in p-Shell Nuclei Observed in the (n, p) Reaction NUCLEAR REACTIONS 6Li, 13,12C(n, p), E=60-260 MeV; measured σ(θ, E); deduced unit σ, effective interaction volume integrals.
doi: 10.1103/PhysRevC.45.R500
1992TO01 Phys.Rev. C45, 459 (1992) W.Tornow, C.R.Howell, R.L.Walter, I.Slaus Coulomb Effects in Three-Nucleon Scattering Versus Charge-Symmetry Breaking in the 3P Nucleon-Nucleon Interactions NUCLEAR REACTIONS 2H(polarized p, p), (polarized n, n), E=5-8.5 MeV; analyzed analyzing power data; deduced Coulomb, charge symmetry breaking effects relative importance.
doi: 10.1103/PhysRevC.45.459
1992WE10 Phys.Rev. C46, 1599 (1992) G.J.Weisel, W.Tornow, C.R.Howell, P.D.Felsher, M.Al Ohali, Z.P.Chen, R.L.Walter, J.M.Lambert, P.A.Treado, I.Slaus Neutron-Proton Analyzing Power Data between 7.6 and 18.5 MeV NUCLEAR REACTIONS 1H(polarized n, n), E=7.6-18.5 MeV; measured analyzing power vs θ. Comparison with theory.
doi: 10.1103/PhysRevC.46.1599
1991HO26 Nucl.Instrum.Methods Phys.Res. B56/57, 459 (1991) C.R.Howell, W.Tornow, H.G.Pfutzner, M.L.Roberts, K.Murphy, P.D.Felsher, G.J.Weisel, G.Mertens, R.L.Walter, J.M.Lambert, P.A.Treado, I.Slaus Neutron-Deuteron Elastic Scattering and Breakup Reactions Below 20 MeV NUCLEAR REACTIONS 2H(polarized n, n), E=12 MeV; 2H(n, X), E=13 MeV; compiled, reviewed analyzing power vs θ, σ(θ1, θ2) vs arc length data for breakup.
doi: 10.1016/0168-583X(91)96070-2
1991LI36 Phys.Rev. C44, 2794 (1991) A.Ling, X.Aslanoglou, F.P.Brady, R.W.Finlay, R.C.Haight, C.R.Howell, N.S.P.King, P.W.Lisowski, B.K.Park, J.Rapaport, J.L.Romero, D.S.Sorenson, W.Tornow, J.L.Ullmann Ground-State Gamow-Teller Strength in 64Ni(n, p)64Co Cross Sections at 90-240 MeV NUCLEAR REACTIONS 64Ni(n, p), E=90-240 MeV; measured σ(E, θ); deduced unit σ. DWIA analysis.
doi: 10.1103/PhysRevC.44.2794
1991PE02 Phys.Rev. C43, 2336 (1991) R.S.Pedroni, R.C.Byrd, G.M.Honore, C.R.Howell, R.L.Walter Scattering of Polarized and Unpolarized Neutrons from 93Nb from 8 to 17 MeV and Optical Model Descriptions NUCLEAR REACTIONS 93Nb(polarized n, n), (n, n), E=8-17 MeV; measured σ(E, θ), analyzing power vs E, θ; deduced optical model parameters. Pulsed beam, tof.
doi: 10.1103/PhysRevC.43.2336
1991RO05 Phys.Rev. C44, 2006 (1991) M.L.Roberts, P.D.Felsher, G.J.Weisel, Z.Chen, C.R.Howell, W.Tornow, R.L.Walter, D.J.Horen Measurement of A(y)(θ) for n + 208Pb from 6 to 10 MeV and the Neutron-Nucleus Interaction Over the Energy Range from Bound States at - 17 MeV Up to Scattering at 40 MeV NUCLEAR REACTIONS 208Pb(polarized n, n), (polarized n, n'), E=6-10 MeV; measured analyzing power vs E, θ, σ(θ); deduced optical model parameters. Hartree-Fock potential, dispersive terms of nuclear mean field, single-particle, single-hole energies.
doi: 10.1103/PhysRevC.44.2006
1991TO05 Phys.Lett. 257B, 273 (1991) W.Tornow, C.R.Howell, M.Alohali, Z.P.Chen, P.D.Felsher, J.M.Hanly, R.L.Walter, G.Weisel, G.Mertens, I.Slaus, H.Witala, W.Glockle The Low-Energy Neutron-Deuteron Analyzing Power and the 3P0,3P1, 3P2 Interactions of Nucleon-Nucleon Potentials NUCLEAR REACTIONS 2H(polarized n, n), E=5-8.5 MeV; measured analyzing power vs θ; deduced nucleon-nucleon interaction features.
doi: 10.1016/0370-2693(91)91892-Y
1990HO14 Nucl.Instrum.Methods Phys.Res. A290, 424 (1990) C.R.Howell, W.Tornow, H.G.Pfutzner, A.Li, M.L.Roberts, K.Murphy, P.D.Felsher, G.J.Weisel, A.Naqvi, R.L.Walter, J.M.Lambert, P.A.Treado, I.Slaus Techniques for Vector Analyzing Power Measurements of the 2H(n(pol), np)n Breakup Reaction at Low Energies NUCLEAR REACTIONS 2H(polarized n, np), E=12 MeV; measured σ(En), vector analyzing power. High accuracy, breakup reaction.
doi: 10.1016/0168-9002(90)90560-S
1990PE05 Phys.Rev. C41, 2929 (1990) R.S.Pedroni, C.R.Howell, R.L.Walter Analyzing Power Measurements for Elastic Scattering of 17 MeV Neutrons from 120Sn NUCLEAR REACTIONS 120Sn(polarized n, n), E=17 MeV; measured A(y)(θ). Enriched target. Coupled-channels calculations, optical model predictions test.
doi: 10.1103/PhysRevC.41.2929
1990WE13 J.Phys.(Paris), Colloq.C-6, 515 (1990) G.J.Weisel, W.Tornow, C.R.Howell, P.D.Felsher, M.Alohali, Z.P.Chen, R.L.Walter, J.M.Lambert, P.A.Treado Neutron-Proton Analyzing Power Data at 7.6, 12.0, 14.1, 16.0, 18.5 MeV NUCLEAR REACTIONS 1H(polarized n, n), E=7.6-18.5 MeV; measured analyzing power vs θ, spin correlation coefficient.
1989GU02 Phys.Rev. C39, 405 (1989) P.P.Guss, R.C.Byrd, C.R.Howell, R.S.Pedroni, G.Tungate, R.L.Walter, J.P.Delaroche Optical Model Description of the Neutron Interaction with 116Sn and 120Sn Over a Wide Energy Range NUCLEAR REACTIONS 120Sn(polarized n, n), (polarized n, n'), E=10-17 MeV; 116Sn(polarized n, n), (polarized n, n'), E=10, 14 MeV; measured σ(θ), analyzing power vs θ; deduced model parameters. 120,116Sn levels deduced neutron, proton multipole deformation parameters.
doi: 10.1103/PhysRevC.39.405
1989LI26 Chin.J.Nucl.Phys. 11, No.3, 1 (1989) A.Li, H.G.Pfutzner, C.R.Howell, R.L.Walter Measurements of Analyzing Power Ay(θ) for Neutron Elastic Scattering from 14N and 16O NUCLEAR REACTIONS 16O, 14N(polarized n, n), E=5-17 MeV; measured σ(θ), analyzing power vs θ; deduced model parameters. Other data analysis, optical model.
1989TO06 Nucl.Instrum.Methods Phys.Res. B40/41, 470 (1989) W.Tornow, C.R.Howell, R.L.Walter Few-Body Physics Investigated through Polarized Neutron Experiments in A ≤ 3 Systems at TUNL NUCLEAR REACTIONS 1H(polarized n, n), E=16.9 MeV; 2H(polarized n, n), E=10, 14.1 MeV; analyzed analyzing power data; deduced nucleon-nucleon interaction dependence.
doi: 10.1016/0168-583X(89)91023-9
1988HO12 Phys.Rev. C38, 1552 (1988) C.R.Howell, R.S.Pedroni, G.M.Honore, K.Murphy, R.C.Byrd, G.Tungate, R.L.Walter Scattering of Polarized and Unpolarized Nucleons from 28Si NUCLEAR REACTIONS 28Si(polarized n, n), (polarized n, n'), (n, n), (n, n'), E=8-17 MeV; measured σ(En), analyzing power vs θ, σ(θ); deduced model parameters. 28Si levels deduced multipole moments, B(λ). Analyzed other data.
doi: 10.1103/PhysRevC.38.1552
1988HO14 Phys.Rev.Lett. 61, 1565 (1988) C.R.Howell, W.Tornow, I.Slaus, P.D.Felsher, M.L.Roberts, H.G.Pfutzner, Anli Li, K.Murphy, R.L.Walter, J.M.Lambert, P.A.Treado, H.Witala, W.Glockle, T.Cornelius Rigorous Calculations and Measurements of A(y)(θ) for n + d Elastic-Scattering and Breakup Processes NUCLEAR REACTIONS 2H(polarized n, np), E=12 MeV; measured vector analyzing power vs θ. Three-nucleon calculations.
doi: 10.1103/PhysRevLett.61.1565
1988PE20 Phys.Rev. C38, 2052 (1988) R.S.Pedroni, C.R.Howell, G.M.Honore, H.G.Pfutzner, R.C.Byrd, R.L.Walter, J.P.Delaroche Energy Dependence of the Deformed Optical Potential for Neutron Scattering from 54,56Fe and 58,60Ni up to 80 MeV NUCLEAR REACTIONS 54Fe, 58Ni(polarized n, n), (polarized n, n'), E=10, 14, 17 MeV; 56Fe, 60Ni(polarized n, n), (polarized n, n'), E=10 MeV; measured analyzing power vs θ. 54Fe, 58Ni(n, n), (n, n'), E=17 MeV; measured σ(θ); deduced deformation parameters for central, real spin-orbit potentials. Coupled channels calculations.
doi: 10.1103/PhysRevC.38.2052
1988TO01 J.Phys.(London) G14, 49 (1988) W.Tornow, C.R.Howell, H.G.Pfutzner, M.L.Roberts, P.D.Felsher, Z.M.Chen, M.Al Ohali, G.J.Weisel, R.L.Walter, A.A.Naqvi Analysing Power for 12C(n(pol), n0, 1)12C and Evaluation of n-12C Scattering at 18.2 MeV NUCLEAR REACTIONS 12C(polarized n, n), (polarized n, n'), E=18.2 MeV; measured σ(θ), analyzing power vs θ; deduced reaction σ, 12C recoil kerma factors. Optical model, coupled channel, phase shift analyses.
doi: 10.1088/0305-4616/14/1/009
1988TO07 Phys.Rev. C37, 2326 (1988) W.Tornow, C.R.Howell, M.L.Roberts, P.D.Felsher, Z.M.Chen, R.L.Walter, G.Mertens, I.Slaus Low-Energy Neutron-Proton Analyzing Power and the New Bonn Potential and Paris Potential Predictions NUCLEAR REACTIONS 1H(polarized n, n), E=16.9 MeV; measured A(θ), backward angles. Instrumental effect corrections to published data, nucleon-nucleon calculations comparison. 2H(polarized d, n), E=14.1 MeV; measured A(θ), small angles.
doi: 10.1103/PhysRevC.37.2326
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