NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = J.D.Bowman Found 136 matches. Showing 1 to 100. [Next]2019BR14 Hyperfine Interactions 240, 1 (2019) L.J.Broussard, S.Baessler, T.L.Bailey, N.Birge, J.D.Bowman, C.B.Crawford, C.Cude-Woods, D.E.Fellers, N.Fomin, E.Frlez, M.T.W.Gericke, L.Hayen, A.P.Jezghani, H.Li, N.Macsai, M.F.Makela, R.R.Mammei, D.Mathews, P.L.McGaughey, P.E.Mueller, D.Pocanic, C.A.Royse, A.Salas-Bacci, S.K.L.Sjue, J.C.Ramsey, N.Severijns, E.C.Smith, J.Wexler, R.A.Whitehead, A.R.Young, B.A.Zeck Using Nab to determine correlations in unpolarized neutron decay RADIOACTIVITY 45Ca(β-); measured decay products, Eβ, Iβ; deduced sensitivity for the ratio of the weak axial-vector and vector coupling constants.
doi: 10.1007/s10751-018-1538-7
2019CA17 Phys.Rev. C 100, 015501 (2019) N.Callahan, C.-Y.Liu, F.Gonzalez, E.Adamek, J.D.Bowman, L.Broussard, S.M.Clayton, S.Currie, C.Cude-Woods, E.B.Dees, X.Ding, W.Fox, P.Geltenbort, K.P.Hickerson, M.A.Hoffbauer, A.T.Holley, A.Komives, S.W.T.MacDonald, M.Makela, C.L.Morris, J.D.Ortiz, R.W.Pattie, J.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.K.L.Sjue, Z.Tang, J.Vanderwerp, B.Vogelaar, P.L.Walstrom, Z.Wang, H.Weaver, W.Wei, J.Wexler, A.R.Young Monte Carlo simulations of trapped ultracold neutrons in the UCNt experiment RADIOACTIVITY 1n(β-); calculated neutron dynamics, trajectory and neutron detection rate in Ultra-cold neutron (UCN) magneto-gravitational neutron trap by developing an in-depth Monte Carlo model for the UCNτ experiments. Discussed implications of chaotic dynamics on controlling the systematic effects, such as spectral cleaning and microphonic heating, for a successful UCN lifetime experiment to reach 0.01% level of precision.
doi: 10.1103/PhysRevC.100.015501
2015GR20 Phys.Rev. B 91, 180301 (2015) K.B.Grammer, R.Alarcon, L.Barron-Palos, D.Blyth, J.D.Bowman, J.Calarco, C.Crawford, K.Craycraft, D.Evans, N.Fomin, J.Fry, M.Gericke, R.C.Gillis, G.L.Greene, J.Hamblen, C.Hayes, S.Kucuker, R.Mahurin, M.Maldonado-Velazquez, E.Martin, M.McCrea, P.E.Mueller, M.Musgrave, H.Nann, S.I.Penttila, W.M.Snow, Z.Tang, W.S.Wilburn Measurement of the scattering cross section of slow neutrons on liquid parahydrogen from neutron transmission NUCLEAR REACTIONS H(n, X), E=0.0.000433313-0.0161166 eV; measured reaction products; deduced total and scattering σ.
doi: 10.1103/PhysRevB.91.180301
2014BO31 Phys.Rev. C 90, 065503 (2014) Search for time reversal invariance violation in neutron transmission
doi: 10.1103/PhysRevC.90.065503
2014SA31 Phys.Rev. C 89, 052501 (2014) D.J.Salvat, E.R.Adamek, D.Barlow, J.D.Bowman, L.J.Broussard, N.B.Callahan, S.M.Clayton, C.Cude-Woods, S.Currie, E.B.Dees, W.Fox, P.Geltenbort, K.P.Hickerson, A.T.Holley, C.-Y.Liu, M.Makela, J.Medina, D.J.Morley, C.L.Morris, S.I.Penttila, J.Ramsey, A.Saunders, S.J.Seestrom, E.I.Sharapov, S.K.L.Sjue, B.A.Slaughter, J.Vanderwerp, B.VornDick, P.L.Walstrom, Z.Wang, T.L.Womack, A.R.Young Storage of ultracold neutrons in the magneto-gravitational trap of the UCNT experiment RADIOACTIVITY 1n(β-); measured mean storage times of ultracold neutrons (UCN) in a magneto-gravitational trap at the LANSCE-LANL UCN source, with and without activation of the field; discussed half-life of neutron decay, and systematic effects.
doi: 10.1103/PhysRevC.89.052501
2008GE04 Phys.Rev. C 78, 044003 (2008) M.T.Gericke, J.D.Bowman, M.B.Johnson Mott-Schwinger scattering of polarized low energy neutrons up to thermal energies NUCLEAR REACTIONS 1H, 3,4He, 10,11B, 12C, 20Ne, 27Al, 28Si, 40Ar, 56Fe, 120Sn, 208Pb(n, n'), (polarized n, n), E=0-25 meV; calculated analyzing powers.
doi: 10.1103/PhysRevC.78.044003
2006GE20 Phys.Rev.C 74, 065503 (2006) M.T.Gericke, J.D.Bowman, R.D.Carlini, T.E.Chupp, K.P.Coulter, M.Dabaghyan, M.Dawkins, D.Desai, S.J.Freedman, T.R.Gentile, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, G.L.Jones, M.Kandes, B.Lauss, M.Leuschner, W.R.Lozowski, R.Mahurin, M.Mason, Y.Masuda, G.S.Mitchell, S.Muto, H.Nann, S.A.Page, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu, and the NPDGamma Collaboration Upper bounds on parity-violating γ-ray asymmetries in compound nuclei from polarized cold neutron capture NUCLEAR REACTIONS B, C, 27Al, Cu, 115In(polarized n, γ), E=low; measured Eγ, Iγ(θ); deduced upper bounds on parity-violating γ-ray asymmetry.
doi: 10.1103/PhysRevC.74.065503
2005BO33 J.Res.Natl.Inst.Stand.Technol. 110, 361 (2005) On the Measurement the Neutron Lifetime Using Ultracold Neutrons in a Vacuum Quadrupole Trap
doi: 10.6028/jres.110.054
2005BO34 J.Res.Natl.Inst.Stand.Technol. 110, 407 (2005) On the Measurement of the Electron-Neutrino Correlation in Neutron Beta Decay
doi: 10.6028/jres.110.061
2005GE07 J.Res.Natl.Inst.Stand.Technol. 110, 215 (2005) M.T.Gericke, J.D.Bowman, R.D.Carlini, T.E.Chupp, K.P.Coulter, M.Dabaghyan, D.Desai, S.J.Freeman, T.R.Gentile, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, S.Ishimoto, G.L.Jones, B.Lauss, M.B.Leuschner, B.Losowski, R.Mahurin, Y.Masuda, G.S.Mitchell, S.Muto, H.Nann, S.A.Page, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu Commissioning of the NPDGamma Detector Array: Counting Statistics in Current Mode Operation and Parity Violation in the Capture of Cold Neutrons on B4C and 27Al NUCLEAR REACTIONS 10B, 27Al(polarized n, γ), E=low; measured parity-violating γ-ray asymmetry.
doi: 10.6028/jres.110.027
2005PA37 J.Res.Natl.Inst.Stand.Technol. 110, 195 (2005) S.A.Page, J.D.Bowman, R.D.Carlini, T.Case, T.E.Chupp, K.P.Coulter, M.Dabaghyan, D.Desai, S.J.Freedman, T.R.Gentile, M.T.Gericke, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, S.Ishimoto, G.L.Jones, B.Lauss, M.B.Leuschner, B.Losowski, R.Mahurin, Y.Masuda, G.S.Mitchell, H.Nann, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu Measurement of Parity Violation in np Capture: the NPDGamma Experiment NUCLEAR REACTIONS Al(polarized n, γ), E=low; measured parity-violating γ-ray asymmetry.
doi: 10.6028/jres.110.024
2005PE14 J.Res.Natl.Inst.Stand.Technol. 110, 309 (2005) Precision Neutron Polarimetry for Neutron Beta Decay
doi: 10.6028/jres.110.045
2005WI18 J.Res.Natl.Inst.Stand.Technol. 110, 389 (2005) W.S.Wilburn, J.D.Bowman, G.S.Mitchell, J.M.O'Donnell, S.I.Penttila, P.-N.Seo, J.R.Calarco, F.W.Hersmann, T.E.Chupp, T.V.Cianciolo, K.P.Rykaczewski, G.R.Young, R.T.De Souza, W.M.Snow, D.Desai, G.L.Greene, R.K.Grzywacz, E.Frlez, D.Pocanic, T.R.Gentile, V.Gudkov, G.L.Jones Measurement of Neutron Decay Parameters-The abBA Experiment
doi: 10.6028/jres.110.058
2004KE02 Phys.Rev. C 69, 034005 (2004) C.D.Keith, Z.Chowdhuri, D.R.Rich, W.M.Snow, J.D.Bowman, S.L.Penttila, D.A.Smith, M.B.Leuschner, V.R.Pomeroy, G.L.Jones, E.I.Sharapov Neutron cross sections for 3He at epithermal energies NUCLEAR REACTIONS 3He(n, X), E=0.1-400 eV; measured total σ. 3He(n, p), E=0.1-1000 eV; deduced σ.
doi: 10.1103/PhysRevC.69.034005
2004MI14 Nucl.Instrum.Methods Phys.Res. A521, 468 (2004) G.S.Mitchell, C.S.Blessinger, J.D.Bowman, T.E.Chupp, K.P.Coulter, M.Gericke, G.L.Jones, M.B.Leuschner, H.Nann, S.A.Page, S.I.Penttila, T.B.Smith, W.M.Snow, W.S.Wilburn A measurement of parity-violating gamma-ray asymmetries in polarized cold neutron capture on 35Cl, 113Cd, and 139La NUCLEAR REACTIONS 35Cl, 113Cd, 139La(polarized n, γ), E=low; measured Iγ(θ), parity-violating asymmetry.
doi: 10.1016/j.nima.2003.11.192
2003BE47 Phys.Rev. C 68, 034004 (2003) A.R.Berdoz, J.Birchall, J.B.Bland, J.D.Bowman, J.R.Campbell, G.H.Coombes, C.A.Davis, A.A.Green, P.W.Green, A.A.Hamian, R.Helmer, S.Kadantsev, Y.Kuznetsov, L.Lee, C.D.P.Levy, R.E.Mischke, N.T.Okumusoglu, S.A.Page, W.D.Ramsay, S.D.Reitzner, T.Ries, G.Roy, A.M.Sekulovich, J.Soukup, G.M.Stinson, T.J.Stocki, V.Sum, N.A.Titov, W.T.H.van Oers, R.J.Woo, S.Zadorozny, A.N.Zelenski, and the TRIUMF E497 Collaboration Parity violation in proton-proton scattering at 221 MeV NUCLEAR REACTIONS 1H(polarized p, p), E=221.3 MeV; measured parity-violating analyzing power; deduced constraints on meson-nucleon coupling constants.
doi: 10.1103/PhysRevC.68.034004
2003MA61 Nucl.Phys. A721, 485c (2003) Y.Masuda, J.D.Bowman, R.D.Carlini, T.Case, T.E.Chupp, K.P.Coulter, S.J.Freedman, T.R.Gentile, M.Gericke, G.L.Greene, F.W.Hersmann, T.Ino, S.Ishimoto, G.L.Jones, M.B.Leuschner, G.S.Mitchell, K.Morimoto, S.Muto, H.Nann, S.A.Page, S.I.Penttila, W.D.Ramsay, E.I.Sharapov, T.B.Smith, W.M.Snow, S.W.Wilburn, Y.W.Yuan, and the NPDGAMMA Collaboration Parity-violating gamma-ray asymmetry in the neutron-proton capture
doi: 10.1016/S0375-9474(03)01105-9
2003SN03 Nucl.Instrum.Methods Phys.Res. A515, 563 (2003) W.M.Snow, W.S.Wilburn, J.D.Bowman, M.B.Leuschner, S.I.Penttila, V.R.Pomeroy, D.R.Rich, E.I.Sharapov, V.W.Yuan Progress toward a new measurement of the parity violating asymmetry in n(pol) + p → d + γ NUCLEAR REACTIONS 1H(n, γ), E ≈ 1 eV; measured Eγ, Iγ. Application to parity-violating asymmetry measurement discussed.
doi: 10.1016/j.nima.2003.07.010
2002HA23 Phys.Lett. 534B, 39 (2002) T.Haseyama, K.Asahi, J.D.Bowman, P.P.J.Delheij, H.Funahashi, S.Ishimoto, G.Jones, A.Masaike, Y.Masuda, Y.Matsuda, K.Morimoto, S.Muto, S.I.Penttila, V.R.Pomeroy, K.Sakai, E.I.Sharapov, D.A.Smith, V.W.Yuan Measurement of Parity-Nonconserving Rotation of Neutron Spin in the 0.734-eV p-Wave Resonance of 139La NUCLEAR REACTIONS 139La(polarized n, n), E ≈ 0.5-1 eV; measured neutron polarization, spin rotation angle; deduced parity-nonconserving effect. Comparison with previous results, model predictions.
doi: 10.1016/S0370-2693(02)01720-3
2002SM02 Phys.Rev. C65, 024607 (2002) D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, A.M.Sukhovoj, V.W.Yuan Neutron Resonance Spectroscopy of 104Pd, 105Pd, and 110Pd NUCLEAR REACTIONS 104,105,110Pd(n, γ), (n, X), E=1-2100 MeV; measured transmission spectra, Eγ, Iγ. 106,108Pd(n, X), (n, γ), E not given; analyzed data. 104,105,106,108,110Pd deduced resonance parameters, level spacings, strength functions.
doi: 10.1103/PhysRevC.65.024607
2002SM04 Phys.Rev. C65, 035503 (2002) D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.W.Yuan Parity Violation in Neutron Resonances of Palladium NUCLEAR REACTIONS Pd(polarized n, X), E=60-160 eV; measured transmission neutron spectra. 104,105,106,108Pd deduced resonance parameters, parity nonconservation asymmetries.
doi: 10.1103/PhysRevC.65.035503
2001BE70 Phys.Rev.Lett. 87, 272301 (2001) A.R.Berdoz, J.Birchall, J.B.Bland, J.D.Bowman, J.R.Campbell, G.H.Coombes, C.A.Davis, A.A.Green, P.W.Green, A.A.Hamian, R.Helmer, S.Kadantsev, L.Lee, C.D.P.Levy, R.E.Mischke, S.A.Page, W.D.Ramsay, S.D.Reitzner, T.Ries, G.Roy, A.M.Sekulovich, J.Soukup, G.M.Stinson, T.J.Strocki, V.Sum, N.A.Titov, W.T.H.van Oers, R.J.Woo, S.Zadorozny, A.N.Zelenski, and the TRIUMF E497 Collaboration Parity Violation in Proton-Proton Scattering at 221 MeV NUCLEAR REACTIONS 1H(polarized p, p), E=221 MeV; measured parity-violating longitudinal analyzing power; deduced weak meson-nucleon coupling constants.
doi: 10.1103/PhysRevLett.87.272301
2001MA55 Phys.Rev. C64, 015501 (2001) Y.Matsuda, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, T.Haseyama, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Masuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.-F.Yen, V.W.Yuan Parity Violation in Neutron Resonances of Antimony and Iodine NUCLEAR REACTIONS 121,123Sb, 127I(polarized n, n'), E ≈ 5-350 eV; measured transmission neutron spectra. 121,123Sb, 127I deduced resonance parameters, parity-nonconserving asymmetries, weak spreading widths.
doi: 10.1103/PhysRevC.64.015501
2001MI34 Phys.Rep. 354, 157 (2001) G.E.Mitchell, J.D.Bowman, S.I.Penttila, E.I.Sharapov Parity Violation in Compound Nuclei: Experimental methods and recent results NUCLEAR STRUCTURE 81Br, 93Nb, 103Rh, 107,109Ag, 104,105,106,108Pd, 113Cd, 115In, 117Sn, 121,123Sb, 127I, 131Xe, 133Cs, 139La, 232Th, 238U; compiled, analyzed resonance parameters, parity nonconserving asymmetry data.
doi: 10.1016/S0370-1573(01)00016-3
2001SM07 Phys.Rev. C64, 015502 (2001) D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, M.B.Johnson, A.Masaike, Y.Matsuda, G.E.Mitchell, V.A.Nazarenko, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, L.M.Smotritsky, S.L.Stephenson, S.Tomsovic, V.W.Yuan Parity Violation in Neutron Resonances of 117Sn NUCLEAR REACTIONS 117Sn(polarized n, n'), E ≈ 0.8-1100 eV; measured neutron spectra. 117Sn deduced resonance parameters, parity-nonconserving asymmetries, weak spreading width.
doi: 10.1103/PhysRevC.64.015502
2000MI09 Phys.Rev. C61, 045503 (2000) G.E.Mitchell, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.-F.Yen, V.W.Yuan New Search for Parity Violation in Nonresonant Neutron Scattering on Thorium NUCLEAR REACTIONS 232Th(polarized n, n), E=30-300 eV; measured transmission neutron spectra; deduced off-resonance parity violating asymmetry.
doi: 10.1103/PhysRevC.61.045503
2000SH02 Phys.Rev. C61, 025501 (2000) E.I.Sharapov, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, J.E.Lynch, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, S.L.Stephenson, Y.-F.Yen, V.W.Yuan Parity Violation in 232Th Neutron Resonances Above 250 eV NUCLEAR REACTIONS 232Th(polarized n, n), E=40-2100 eV; measured transimission yields, asymmetry. 232Th deduced resonances, parity-nonconservation effects.
doi: 10.1103/PhysRevC.61.025501
2000SN02 Nucl.Instrum.Methods Phys.Res. A440, 729 (2000) W.M.Snow, A.Bazhenov, C.S.Blessinger, J.D.Bowman, T.E.Chupp, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, T.R.Gentile, G.L.Greene, G.Hansen, G.E.Hogan, S.Ishimoto, G.L.Jones, J.N.Knudson, E.Kolomenski, S.K.Lamoreaux, M.B.Leuschner, A.Masaike, Y.Masuda, Y.Matsuda, G.L.Morgan, K.Morimoto, C.L.Morris, H.Nann, S.I.Penttila, A.Pirozhkov, V.R.Pomeroy, D.R.Rich, A.Serebrov, E.I.Sharapov, D.A.Smith, T.B.Smith, R.C.Welsh, F.E.Wietfeldt, W.S.Wilburn, V.W.Yuan, J.Zerger Measurement of the Parity Violating Asymmetry Aγ in n(pol) + p → d + γ NUCLEAR REACTIONS 1H(polarized n, γ), E=low; calculated parity violation measurement systematic effects. Experiment proposal.
doi: 10.1016/S0168-9002(99)01071-2
2000ST08 Phys.Rev. C61, 045501 (2000) S.L.Stephenson, J.D.Bowman, F.Corvi, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, H.M.Shimizu, Y.-F.Yen, V.W.Yuan, L.Zanini Parity Violation in Neutron Resonances in 115In NUCLEAR REACTIONS In(polarized n, n), E=6-316 eV; measured transmission neutron spectra. 115In(n, γ), E=3-480 eV; measured Eγ, Iγ, σ(En). 115In deduced p-wave resonances J, π, asymmetries, parity violation, weak spreading width.
doi: 10.1103/PhysRevC.61.045501
2000TO10 Phys.Rev. C62, 054607 (2000) S.Tomsovic, M.B.Johnson, A.C.Hayes, J.D.Bowman Statistical Theory of Parity Nonconservation in Compound Nuclei NUCLEAR REACTIONS 238U, 104,105,106,108Pd(polarized n, X), E not given; calculated compound nuclei weak spreading widths, parity-violating matrix elements. Comparison with data. NUCLEAR STRUCTURE 239U, 105,106,107,109Pd; calculated weak spreading widths, parity-violating matrix elements. Comparison with data.
doi: 10.1103/PhysRevC.62.054607
1999CR03 Phys.Rev. C60, 055503 (1999) B.E.Crawford, J.D.Bowman, P.P.J.Delheij, T.Haseyama, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.W.Yuan Parity Nonconservation in 106Pd and 108Pd Neutron Resonances NUCLEAR REACTIONS 106,108Pd(polarized n, γ), E=20-2000 eV; measured capture σ vs helicity; deduced weak spreading widths, possible parity nonconservation effects.
doi: 10.1103/PhysRevC.60.055503
1999LO01 Phys.Rev. C59, 1119 (1999) L.Y.Lowie, J.D.Bowman, F.Corvi, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, H.M.Shimizu, S.L.Stephenson, Y.-F.Yen, V.W.Yuan, L.Zanini Parity Violation in Neutron Resonances in 107, 109Ag NUCLEAR REACTIONS Ag(polarized n, X), E=32-422 eV; measured total σ helicity dependence, longitudinal asymmetries; deduced parity nonconservation features. 107,109Ag(n, γ), E=10-800 eV; measured Eγ, Iγ, tof spectra. 107,109Ag deduced resonances E, Γ, J.
doi: 10.1103/PhysRevC.59.1119
1999MI05 Rev.Mod.Phys. 71, 445 (1999) G.E.Mitchell, J.D.Bowman, H.A.Weidenmuller Parity Violation in the Compound Nucleus NUCLEAR STRUCTURE 93Nb, 107,109Ag, 104,105,106,108Pd, 113Cd, 115In, 117Sn, 121,123Sb, 127I, 232Th, 238U; reviewed, analyzed neutron scattering data, parity-violation effects, weak spreading widths.
doi: 10.1103/RevModPhys.71.445
1999SH11 Phys.Rev. C59, 1131 (1999) E.I.Sharapov, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, K.Fukuda, M.Iinuma, J.N.Knudson, S.J.Lokitz, L.Y.Lowie, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, H.M.Shimizu, S.L.Stephenson, Y.-F.Yen, V.W.Yuan Search for Parity Violation in 93Nb Neutron Resonances NUCLEAR REACTIONS 93Nb(polarized n, n), E=32-1000 eV; measured total σ, longitudinal asymmetries. 93Nb deduced resonances E, Γ, upper limit for weak spreading width.
doi: 10.1103/PhysRevC.59.1131
1999SH17 Phys.Rev. C59, 1772 (1999) E.I.Sharapov, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, T.Haseyama, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, S.L.Stephenson, Y.-F.Yen, V.W.Yuan Parity Nonconservation in Neutron Resonances in 133Cs NUCLEAR REACTIONS 133Cs(polarized n, γ), E=5-400 eV; measured transmission spectra, σ(E) asymmetry. 133Cs deduced resonances E, Γ, parity non-conserving matrix element, weak spreading width.
doi: 10.1103/PhysRevC.59.1772
1999SM03 Phys.Rev. C59, 2836 (1999) D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, M.B.Johnson, A.Masaike, Y.Matsuda, G.E.Mitchell, V.A.Nazarenko, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, L.M.Smotritsky, S.L.Stephenson, V.Yuan Neutron Resonance Spectroscopy of 117Sn from 1 eV to 1.5 keV NUCLEAR REACTIONS 117Sn(n, γ), E=1-1500 eV; measured σ(E). 117Sn deduced neutron resonance parameters.
doi: 10.1103/PhysRevC.59.2836
1999SM15 Phys.Rev. C60, 045502 (1999) D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.Yuan Neutron Resonance Spectroscopy of 103Rh from 30 eV to 2 keV NUCLEAR REACTIONS 103Rh(n, γ), E=30-2000 eV; measured σ(En); deduced resonance parameters. Tof technique.
doi: 10.1103/PhysRevC.60.045502
1999SM16 Phys.Rev. C60, 045503 (1999) D.A.Smith, J.D.Bowman, B.E.Crawford, C.A.Grossmann, T.Haseyama, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.Yuan Parity Violation in Neutron Resonances of 103Rh NUCLEAR REACTIONS 103Rh(n, γ), E=30-490 eV; analyzed data; deduced resonance parameters, parity nonconservation.
doi: 10.1103/PhysRevC.60.045503
1998BE12 Nucl.Phys. A629, 433c (1998) A.R.Berdoz, J.Birchall, J.D.Bowman, J.R.Campbell, C.A.Davis, A.A.Green, P.W.Green, A.A.Hamian, D.C.Healey, R.Helmer, S.Kadantsev, Y.Kuznetsov, R.Laxdal, L.Lee, C.D.P.Levy, R.E.Mischke, S.A.Page, W.D.Ramsay, S.D.Reitzner, G.Roy, P.W.Schmor, A.M.Sekulovich, J.Soukup, G.M.Stinson, T.Stocki, V.Sum, N.A.Titov, W.T.H.van Oers, R.-J.Woo, A.N.Zelensky Parity Violation in Proton-Proton Scattering
doi: 10.1016/S0375-9474(97)00720-3
1998CR04 Phys.Rev. C58, 729 (1998) B.E.Crawford, J.D.Bowman, P.P.J.Delheij, T.Haseyama, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, V.W.Yuan Neutron Resonance Spectroscopy of 106Pd and 108Pd from 20 to 2000 eV NUCLEAR REACTIONS 106,108Pd(n, γ), (n, n'γ), E=20-2000 eV; measured transmission, capture Eγ, Iγ. 106,108Pd deduced resonances E, Γ, J, π. Multilevel, multichannel analysis.
doi: 10.1103/PhysRevC.58.729
1998CR05 Phys.Rev. C58, 1225 (1998) B.E.Crawford, J.D.Bowman, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.-F.Yen, V.W.Yuan, and the TRIPLE Collaboration Parity Nonconservation in Neutron Resonances in 238U NUCLEAR REACTIONS 238U(polarized n, n), E=10-300 eV; measured total σ, longitudinal asymmetries. 238U deduced resonance parameters, parity violating matrix element.
doi: 10.1103/PhysRevC.58.1225
1998SE21 Phys.Rev. C58, 2977 (1998) S.J.Seestrom, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, M.Iinuma, J.N.Knudson, P.E.Koehler, L.Y.Lowie, A.Masaike, Y.Masuda, Y.Matsuda, G.E.Mitchell, S.I.Penttila, Yu.P.Popov, H.Postma, N.R.Roberson, E.I.Sharapov, H.M.Shimizu, D.A.Smith, S.L.Stephenson, Y.F.Yen, V.W.Yuan Parity Nonconservation in Neutron Capture on 113Cd NUCLEAR REACTIONS Cd, 113Cd(polarized n, γ), E=7-520 eV; measured Eγ, Iγ, transmission spectra, total capture σ helicity dependence. 113Cd deduced resonances J, π, widths, parity-violating asymmetries.
doi: 10.1103/PhysRevC.58.2977
1998ST14 Phys.Rev. C58, 1236 (1998) S.L.Stephenson, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.M.Frankle, M.Iinuma, J.N.Knudson, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, Y.-F.Yen, V.W.Yuan Parity Nonconservation in Neutron Resonances in 232Th NUCLEAR REACTIONS 232Th(polarized n, n), E=8-300 eV; measured total σ, longitudinal asymmetries. 232Th deduced resonance parameters, parity violating matrix element.
doi: 10.1103/PhysRevC.58.1236
1998WI17 Phys.Rev. C57, 3425 (1998) Consistency of Parity-Violating Pion-Nucleon Couplings Extracted from Measurements in 18F and 133Cs NUCLEAR STRUCTURE 18F, 133Cs, 205Tl; analyzed anapole moments; deduced weak meson-nucleon coupling features, inconsistency between Cs, Tl results.
doi: 10.1103/PhysRevC.57.3425
1997LO04 Phys.Rev. C56, 90 (1997) L.Y.Lowie, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, T.Haseyama, J.N.Knudson, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.-F.Yen, V.W.Yuan Neutron Resonance Spectroscopy of 107Ag and 109Ag NUCLEAR REACTIONS 107,109Ag(n, X), E=10-800 eV; measured neutron transmission spectra. 108,110Ag deduced resonances, gΓ(n), l, J. 107Ag(n, γ), E=10-800 eV; measured Eγ, Iγ. 108Ag deduced resonance isotopic assignments.
doi: 10.1103/PhysRevC.56.90
1996BO03 Phys.Rev. C53, 285 (1996) J.D.Bowman, L.Y.Lowie, G.E.Mitchell, E.I.Sharapov, Y.-F.Yen Analysis of Parity Violation in Neutron Resonances NUCLEAR STRUCTURE 116In; calculated probability density function vs p, ρ. 232Th, 238U; calculated p-wave resonances spin densities, relative probabilities. Parity violation, neutron resonances.
doi: 10.1103/PhysRevC.53.285
1996BO57 Fiz.Elem.Chastits At.Yadra 27, 965 (1996); Phys.Part.Nucl. 27, 398 (1996) J.D.Bowman, E.I.Sharapov, L.Y.Lowie Likelihood Analysis of Parity-Violating Asymmetries Measured for Compound Nuclear Resonances
1996NA04 Phys.Rev. C53, 811 (1996) R.Nair, H.S.Plendl, E.P.Gavathas, L.-C.Liu, R.J.Estep, B.J.Dropesky, J.D.Bowman, J.N.Knudson, B.J.Lieb, C.E.Stronach, H.O.Funsten, J.Mackenzie Pion-Nucleus Single Charge Exchange Induced by Stopped Negative Pions NUCLEAR REACTIONS 12C, 1H, 27Al, 31P, 32S, 45Sc, 115In(π-, π0), E at rest; measured branching ratio; deduced πN-isovector interaction implications.
doi: 10.1103/PhysRevC.53.811
1996SZ02 Phys.Rev. C53, R2576 (1996) J.J.Szymanski, W.M.Snow, J.D.Bowman, B.Cain, B.E.Crawford, P.P.J.Delheij, R.D.Hartman, T.Haseyama, C.D.Keith, J.N.Knudson, A.Komives, M.Leuschner, L.Y.Lowie, A.Masaike, Y.Matsuda, G.E.Mitchell, S.I.Penttila, H.Postma, D.Rich, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, S.L.Stephenson, Y.F.Yen, V.W.Yuan Observation of a Large Parity Nonconserving Analyzing Power in Xe NUCLEAR REACTIONS Xe(polarized n, X), E ≈ resonance; measured large parity nonconserving analyzing power. Transmission through liquid Xe target, natural isotopic abundance.
doi: 10.1103/PhysRevC.53.R2576
1995AU03 Phys.Rev.Lett. 74, 2638 (1995) N.Auerbach, J.D.Bowman, V.Spevak Nearby Doorway States, Parity Doublets, and Parity Mixing in Compound Nuclear States NUCLEAR STRUCTURE 232Th; calculated parity doublet role in parity mixing. Doorway state model.
doi: 10.1103/PhysRevLett.74.2638
1995DO07 Phys.Lett. 344B, 91 (1995) M.L.Dowell, S.Gilad, E.Piasetzky, S.Hoibraten, H.W.Baer, E.J.Beise, J.D.Bowman, G.W.Dodson, F.Irom, J.N.Knudson, G.S.Kyle, M.J.Leitch, L.D.Pham, R.P.Redwine, S.H.Rokni, L.C.Smith, D.R.Tieger, S.A.Wood Measurements of Quasi-Elastic Pion Single Charge Exchange on 3He at T(π) = 245 MeV NUCLEAR REACTIONS 3He(π+, π0), (π-, π0), (π+, π0p), (π-, π-p), E=245 MeV; measured σ(θ(π), E(π)), σ(θ(π), θ(p)); deduced integral σ; deduced quasifree mechanism evidence.
doi: 10.1016/0370-2693(94)01539-O
1995JO03 Phys.Rev. C51, 999 (1995) Microscopic, Model-Space Approach to Parity Nonconservation in Compound Nuclei NUCLEAR STRUCTURE 239U; calculated parity violating interaction mean square matrix element. Microscopic model-space approach.
doi: 10.1103/PhysRevC.51.999
1995SZ04 Phys.Rev. C52, 1713 (1995) J.J.Szymanski, J.D.Bowman, M.Leuschner, B.A.Brown, I.C.Girit Reply to ' Is Large Weak Mixing in Heavy Nuclei Consistent with Atomic Experiments ( Question ) ' NUCLEAR STRUCTURE 207Pb; analyzed parity nonconserving measurements data; deduced need for both nuclear, atomic methods to be pursued.
doi: 10.1103/PhysRevC.52.1713
1994BO58 Nucl.Instrum.Methods Phys.Res. A349, 32 (1994) J.D.Bowman, D.Fitzgerald, M.J.Leitch, J.Ouyang, S.Hoibraten, R.J.Peterson, D.L.Prout, M.E.Sadler Performance of Sampling Grid Scintillator
doi: 10.1016/0168-9002(94)90605-X
1994KN01 Phys.Rev. C50, 909 (1994) J.N.Knudson, J.D.Bowman, S.I.Penttila, J.R.Comfort, J.Tinsley, B.G.Ritchie, J.Gorgen, D.Mathis, S.S.Hanna, B.King, D.Pocanic, R.A.Loveman, L.S.Fritz, N.S.Dixon Neutron Deformation in 165Ho NUCLEAR REACTIONS 165Ho(π+, π0), E=165 MeV; measured σ(E, θ), oriented, unoriented nuclei; deduced asymmetry vs θ. 165Ho deduced neutron distribution deformation features.
doi: 10.1103/PhysRevC.50.909
1994SZ03 Phys.Rev. C49, 3297 (1994) J.J.Szymanski, J.D.Bowman, M.Leuschner, B.A.Brown, I.C.Girit Is There Large Weak Mixing in Heavy Nuclei ( Question ) NUCLEAR STRUCTURE 207Pb; calculated parity nonconserving matrix elements, transition γ CP.
doi: 10.1103/PhysRevC.49.3297
1993BI06 Nucl.Phys. A553, 823c (1993) J.Birchall, A.R.Berdoz, J.D.Bowman, J.R.Campbell, C.A.Davis, N.E.Davison, P.W.Green, A.Hamian, D.C.Healey, R.Helmer, E.Korkmaz, P.Levy, R.E.Mischke, S.A.Page, W.D.Ramsay, G.Roy, P.W.Schmor, J.Soukup, G.M.Stinson, T.J.Stocki, N.A.Titov, W.T.H.van Oers, A.N.Zelensky Parity Violation in p-p Scattering
doi: 10.1016/0375-9474(93)90704-2
1993BO25 Phys.Rev. C48, 1116 (1993) J.D.Bowman, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, J.J.Yeh, S.H.Yoo, V.W.Yuan, X.Zhu, and the TRIPLE Collaboration Experimental Limit on Parity Violation in Nonresonant Neutron-Nucleus Scattering NUCLEAR REACTIONS 232Th(polarized n, X), E=6-86 eV; measured transmission spectra, parity nonconserving longitudinal asymmetry; deduced nonresonant scattering parity violation limit.
doi: 10.1103/PhysRevC.48.1116
1993FR13 Phys.Rev. C48, 1601 (1993) C.M.Frankle, J.D.Bowman, B.E.Crawford, P.P.J.Delheij, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.S.Patterson, S.I.Penttila, Yu.P.Popov, N.R.Roberson, S.J.Seestrom, E.I.Sharapov, Y.-F.Yen, S.H.Yoo, V.W.Yuan, X.Zhu, and the TRIPLE Collaboration Neutron Resonance Spectroscopy of 113In and 115In NUCLEAR REACTIONS In(n, X), E=25-500 eV; measured transmission; deduced σ(E). 115In(n, γ), E=25-500 eV; measured capture Eγ, Iγ. 114,116In deduced resonances, parameters.
doi: 10.1103/PhysRevC.48.1601
1993FR19 Nucl.Instrum.Methods Phys.Res. B79, 306 (1993) C.M.Frankle, J.D.Bowman, J.N.Knudson, S.I.Penttila, S.J.Seestrom, S.H.Yoo, V.W.Yuan, C.R.Gould, D.G.Haase, G.E.Mitchell, N.R.Roberson, Yu.P.Popov, E.I.Sharapov, P.P.J.Delheij, H.Postma, and the TRIPLE Collaboration Measurement of Parity Violation in Compound Nuclear Resonances using Epithermal Polarized Neutrons NUCLEAR REACTIONS 81Br, 139La, 232Th, 238U(polarized n, X), E=epithermal; compiled, reviewed parity nonconserving analyzing power data.
doi: 10.1016/0168-583X(93)95351-5
1993HA39 Nucl.Instrum.Methods Phys.Res. B79, 300 (1993) D.G.Haase, J.D.Bowman, P.P.J.Delheij, C.M.Frankle, C.R.Gould, J.N.Knudson, J.E.Koster, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, S.H.Yoo, V.W.Yuan Bulk Magnetic Structure Studies using Polarized Epithermal Neutrons NUCLEAR REACTIONS Ho(polarized n, n), E=epithermal; measured neutron depolarization. Thick single ferromagnetic holmium crystal.
doi: 10.1016/0168-583X(93)95349-A
1993PL08 Acta Phys.Pol. B24, 1649 (1993) H.S.Plendl, R.Nair, E.P.Gavathas, L.C.Liu, R.J.Estep, B.J.Dropesky, J.D.Bowman, J.N.Knudson, B.J.Lieb, C.E.Stronach, H.O.Funsten, J.MacKenzie Single Charge Exchange following π- Capture NUCLEAR REACTIONS C, 1H, 27Al, 31P, 32S, 45Sc, 115In(π-, π0), E ≈ threshold; measured branching ratio relative to (π-, X); deduced target shell structure role.
1993RO25 Nucl.Instrum.Methods Phys.Res. A326, 549 (1993) N.R.Roberson, C.D.Bowman, J.D.Bowman, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, R.N.Mortensen, S.I.Penttila, H.Postma, S.J.Seestrom, J.J.Szymanski, S.A.Wender, S.H.Yoo, V.W.Yuan, X.Zhu An Apparatus and Techniques of Tests for Fundamental Symmetries in Compound-Nucleus Scattering with Epithermal Polarized Neutron Beams NUCLEAR REACTIONS 238U(polarized n, X), E=5-300 eV; measured neutron transmission. 239U resonance deduced average parity violating asymmetry.
doi: 10.1016/0168-9002(93)90858-F
1992AU06 Phys.Rev. C46, 2582 (1992) Doorway State Approximation and Sign Correlations in Parity Nonconservation in Compound Neutron Resonances NUCLEAR REACTIONS 232Th(polarized n, X), E=1 eV; analyzed asymmetry data; deduced parity nonconserving matrix element inconsistency with model values. Doorway model, shell model comparison.
doi: 10.1103/PhysRevC.46.2582
1992BO01 Phys.Rev.Lett. 68, 780 (1992) J.D.Bowman, G.T.Garvey, C.R.Gould, A.C.Hayes, M.B.Johnson Parity Violation in the Compound Nucleus: The Role of Distant States NUCLEAR STRUCTURE 232Th; calculated parity violating asymmetry; deduced distant states role.
doi: 10.1103/PhysRevLett.68.780
1992FR07 Phys.Rev. C45, 2143 (1992) C.M.Frankle, C.D.Bowman, J.D.Bowman, S.J.Seestrom, E.I.Sharapov, Yu.P.Popov, N.R.Roberson Neutron Resonance Spectroscopy on 113Cd: The p-wave levels NUCLEAR REACTIONS 113Cd(n, n), 113Cd, Cd(n, γ), E=0-500 eV; measured En, capture γ yield, σ(E). 114Cd deduced levels, resonance parameters, p-wave strength function, level density. Enriched target.
doi: 10.1103/PhysRevC.45.2143
1992FR14 Phys.Rev. C46, 778 (1992) C.M.Frankle, J.D.Bowman, J.E.Bush, P.P.J.Delheij, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, S.H.Yoo, V.W.Yuan, X.Zhu, and the TRIPLE Collaboration Parity Nonconservation for Neutron Resonances in 232Th NUCLEAR REACTIONS 232Th(polarized n, X), E=6-400 eV; measured total σ, parity violating asymmetries. 233Th deduced resonances, p-wave parity nonconserving matrix element rms values, spreading width.
doi: 10.1103/PhysRevC.46.778
1992FR15 Phys.Rev. C46, 1542 (1992) C.M.Frankle, J.D.Bowman, J.E.Bush, P.P.J.Delheij, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, V.W.Yuan, X.Zhu, and the TRIPLE Collaboration Parity Nonconservation for the 0.88-eV Neutron Resonance in 81Br NUCLEAR REACTIONS 81Br(polarized n, n), E=0.88 eV; measured parity nonconserving longitudinal analyzing power, σ for p-wave resonances.
doi: 10.1103/PhysRevC.46.1542
1992PO13 Hyperfine Interactions 75, 153 (1992) H.Postma, J.D.Bowman, C.D.Bowman, J.E.Bush, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.Knudson, G.E.Mitchell, S.Penttila, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, S.H.Yoo, V.W.Yuan, X.Zhu, and the TRIPLE Collaboration Parity Violation at Neutron p-Wave Resonances of 238U and 232Th and Related Questions NUCLEAR REACTIONS 238U, 232Th(n, X), E ≈ epithermal; measured transmission. 239U, 233Th deduced p-wave resonances, parity violation matrix element rms value.
doi: 10.1007/BF02398972
1992ZH12 Phys.Rev. C46, 768 (1992) X.Zhu, J.D.Bowman, C.D.Bowman, J.E.Bush, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, V.W.Yuan, and the TRIPLE Collaboration Parity Nonconservation for Neutron Resonances in 238U NUCLEAR REACTIONS 238U(polarized n, X), E=6-300 eV; measured total σ; deduced P-odd, P-even effective nucleon-nucleon interaction. 239U deduced resonances, l, gΓn, p-wave parity nonconserving matrix element rms value, spreading width.
doi: 10.1103/PhysRevC.46.768
1991FR08 Phys.Rev.Lett. 67, 564 (1991) C.M.Frankle, J.D.Bowman, J.E.Bush, P.P.J.Delheij, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, S.H.Yoo, V.W.Yuan, X.Zhu, and the TRIPLE Collaboration Sign Correlations and Parity Nonconservation for Neutron Resonances in 232Th NUCLEAR REACTIONS 232Th(polarized n, n), E ≈ 8.3-392 eV; measured longitudinal analyzing power vs E, transmission yield. 232Th resonances deduced parity violation evidence statistical significance. High confidence limit measurement.
doi: 10.1103/PhysRevLett.67.564
1991HO03 Phys.Rev. C43, 1255 (1991) S.Hoibraten, S.Gilad, W.J.Burger, R.P.Redwine, E.Piasetzky, H.W.Baer, J.D.Bowman, F.H.Cverna, F.Irom, M.J.Leitch, J.N.Knudson, S.A.Wood, S.H.Rokni Coincidence Measurements of the (π+, π0p) Reaction at T(π+) = 165 MeV NUCLEAR REACTIONS 16O, Fe, Sn, Pb(π+, π0p), E=165 MeV; measured σ(Eπ, θπ, θp); deduced σ(θπ, θp), σ(θπ).
doi: 10.1103/PhysRevC.43.1255
1991JO13 Phys.Rev.Lett. 67, 310 (1991) M.B.Johnson, J.D.Bowman, S.H.Yoo Theory of Parity Nonconservation in Compound-Nuclear States NUCLEAR STRUCTURE 239U; calculated parity violating matrix element rms value. Standard parity violating interaction.
doi: 10.1103/PhysRevLett.67.310
1991KN01 Phys.Rev.Lett. 66, 1026 (1991) J.N.Knudson, J.D.Bowman, S.I.Penttila, J.R.Comfort, B.G.Ritchie, J.Gorgen, D.Mathis, J.Tinsley, S.S.Hanna, B.King, D.Pocanic, R.A.Loveman, L.S.Fritz, N.S.Dixon Neutron Deformation in 165Ho NUCLEAR REACTIONS 165Ho(π+, π0), E=165 MeV; measured σ(E(π0)), orientation asymmetries. 165Ho deduced neutral, charge quadrupole deformation ratio. Aligned, unaligned targets.
doi: 10.1103/PhysRevLett.66.1026
1991KN05 Phys.Rev. C44, 2869 (1991) J.N.Knudson, C.L.Morris, J.D.Bowman, W.C.Sailor, S.J.Seestrom, I.Supek, M.E.Sadler, L.D.Isenhower Search for Neutral Pions from the Spontaneous Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured π0 spectra following SF-decay; deduced π0 branching ratio upper limit.
doi: 10.1103/PhysRevC.44.2869
1991SZ05 Nucl.Phys. A527, 701c (1991) J.J.Szymanski, C.D.Bowman, J.D.Bowman, J.Knudson, S.Penttila, S.J.Seestrom, V.W.Yuan, J.E.Bush, C.M.Frankle, C.R.Gould, D.G.Haase, G.E.Mitchell, P.P.J.Delheij, H.Postma, N.R.Roberson, X.Zhu Parity and Time Reversal Symmetry Nonconservation in Neutron-Nucleus Interactions NUCLEAR REACTIONS 238U(polarized n, X), E=60-72 eV; measured transmission, resonance σ helicity dependence. 239U deduced p-, s-wave states mixing parity-violating rms matrix element, parity violating spreading width.
doi: 10.1016/0375-9474(91)90217-T
1991YU02 Phys.Rev. C44, 2187 (1991) V.W.Yuan, C.D.Bowman, J.D.Bowman, J.E.Bush, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, X.Zhu Parity Nonconservation in Polarized-Neutron Transmission Through 139La NUCLEAR REACTIONS 139La(polarized n, X), E=0.5-1 eV; measured transmission. 140La resonance deduced asymmetry. Parity nonconservation, longitudinal beam polarization.
doi: 10.1103/PhysRevC.44.2187
1990BO26 Phys.Rev.Lett. 65, 1192 (1990) J.D.Bowman, C.D.Bowman, J.E.Bush, P.P.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.Knudson, G.E.Mitchell, S.Penttila, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, V.W.Yuan, X.Zhu Parity Nonconservation for Neutron Resonances in 238U NUCLEAR REACTIONS 238U(n, X), E=epithermal; measured transmission, σ(E) vs helicity. 239U levels deduced parity nonconservation.
doi: 10.1103/PhysRevLett.65.1192
1990BO46 Nucl.Instrum.Methods Phys.Res. A297, 183 (1990) J.D.Bowman, J.J.Szymanski, V.W.Yuan, C.D.Bowman, A.Silverman, X.Zhu Current-Mode Detector for Neutron Time-of-Flight Studies NUCLEAR REACTIONS 238U(n, X), E not given; measured neutron transmission spectra. Tof, current mode detector.
doi: 10.1016/0168-9002(90)91365-I
1990CO09 Nucl.Instrum.Methods Phys.Res. A288, 463 (1990) K.P.Coulter, T.E.Chupp, A.B.McDonald, C.D.Bowman, J.D.Bowman, J.J.Szymanski, V.Yuan, G.D.Cates, D.R.Benton, E.D.Earle Neutron Polarization with a Polarized 3He Spin Filter NUCLEAR REACTIONS 139La(polarized n, X), E=low; measured transmission; deduced helicity dependence on 140La resonance. Polarized 3He spin filter.
doi: 10.1016/0168-9002(90)90139-W
1990PE19 J.Phys.(Paris), Colloq.C-6, 523 (1990) S.Penttila, C.D.Bowman, J.D.Bowman, J.E.Bush, P.P.J.Delheij, C.M.Frankle, C.R.Gould, D.G.Haase, J.N.Knudson, G.E.Mitchell, H.Postma, N.R.Roberson, S.J.Seestrom, J.J.Szymanski, V.M.Yuan, X.Zhu Parity Violation in 239U Neutron Resonances NUCLEAR REACTIONS 238U(polarized n, X), E ≤ 250 eV; measured asymmetry in transmission; deduced parity violating matrix element rms value, effective NN-interaction parameter. 239U resonances deduced parity-violating spreading width.
1989BO09 Phys.Rev. C39, 1721 (1989) C.D.Bowman, J.D.Bowman, V.W.Yuan Parity Violation in the 0.734-eV Neutron Resonance in 139La NUCLEAR REACTIONS 139La(n, X), E ≈ resonance; measured transmission. 140La deduced resonance parity violation. Neutron spin flipper between samples.
doi: 10.1103/PhysRevC.39.1721
1989LO12 Phys.Rev. C40, 2710 (1989) R.A.Loveman, B.L.Clausen, R.J.Peterson, S.H.Rokni, H.W.Baer, A.G.Bergmann, J.D.Bowman, F.Irom, C.J.Seftor, J.Alster, E.Piasetzky, J.N.Knudson, U.Sennhauser Pion Charge Exchange to the Isovector Giant Dipole State at Energies Above the 3-3 Resonance NUCLEAR REACTIONS 27Al, 60Ni, 90Zr, 120Sn, 208Pb(π+, π0), E=300, 425, 500 MeV; measured σ(θ(π), E(π)). 27Si, 60Cu, 90Nb, 120Sb, 208Bi deduced GDR, IAS excitation.
doi: 10.1103/PhysRevC.40.2710
1989PE12 Phys.Rev.Lett. 63, 2353 (1989) J.C.Peng, M.J.Leitch, J.D.Bowman, F.Irom, J.Kapustinsky, T.K.Li, L.C.Liu, C.S.Mishra, J.E.Simmons, Z.F.Wong, C.Smith, R.R.Whitney Coherent Eta-Meson Production in the Reaction π- + 3He → Eta + t NUCLEAR REACTIONS 3He(π-, t), (π+, t), E at 650, 620 MeV/c; measured eta production σ(θ); deduced eta production mechanism.
doi: 10.1103/PhysRevLett.63.2353
1988RO03 Phys.Lett. 202B, 35 (1988) S.H.Rokni, H.W.Baer, A.G.Bergmann, J.D.Bowman, F.Irom, M.J.Leitch, C.J.Seftor, J.Alster, E.Piasetzky, B.L.Clausen, R.A.Loveman, R.J.Peterson, J.L.Ullmann, J.R.Comfort, J.N.Knudson, U.Sennhauser Isobaric-Analog-State Transitions in Pion Charge-Exchange Reactions above the Δ(1232) Resonance NUCLEAR REACTIONS 14C, 7Li(π+, π0), E=300-550 MeV; 27Al, 60Ni(π+, π0), E=300, 425, 500 MeV; 90Zr, 120Sn, 208Pb(π+, π0), E=300, 425 MeV; measured σ(θ), σ(θ, E); deduced IAS excitation incident energy dependence.
doi: 10.1016/0370-2693(88)90849-0
1987BO38 Phys.Lett. 197B, 497 (1987) J.D.Bowman, E.Lipparini, S.Stringari Isovector Monopole Excitation Energies NUCLEAR STRUCTURE A=20-220; calculated isovector dipole, monopole levels. Hydrodyamical model.
doi: 10.1016/0370-2693(87)91041-0
1987BO43 Can.J.Phys. 65, 654 (1987) Isovector Resonances in Pion Single-Charge-Exchange Reactions NUCLEAR REACTIONS 40Ca, 60Ni, 90Zr, 120Sn, 140Ce, 208Pb(π+, π0), (π-, π0), E=120, 165, 230 MeV; measured σ(θ), σ(E(π0), θ(π0)); deduced pion interaction radii. 40Sc, 40K, 60Cu, 60Co, 90Nb, 90Y, 120Sb, 120In, 140Pr, 140La, 208Bi, 208Tl deduced isovector resonances, widths.
doi: 10.1139/p87-093
1987IR01 Phys.Rev. C36, 1453 (1987) F.Irom, H.W.Baer, A.G.Bergmann, J.D.Bowman, P.Heusi, D.H.Fitzgerald, C.J.Seftor, M.E.Sadler, J.N.Knudson, W.J.Briscoe, P.W.F.Alons, E.Piasetzky, S.H.Rokni Mass Dependence of Pion Single-Charge Exchange of the Isobaric Analog State at 20 MeV NUCLEAR REACTIONS 7Li, 14C, 15N, 120Sn(π+, π0), E=20 MeV; measured σ(π0), σ(θ). 7Be, 14N, 15O, 120Sb deduced IAS excitation σ. Optical model.
doi: 10.1103/PhysRevC.36.1453
1987KN02 Phys.Rev. C35, 1382 (1987) J.N.Knudson, J.R.Comfort, R.A.Gianelli, B.G.Ritchie, D.Rothenberger, D.Pocanic, S.S.Hanna, J.D.Bowman, H.W.Baer, A.G.Bergmann, P.A.Heusi, F.Irom, C.J.Seftor, S.Hoibraten, R.A.Loveman, S.H.Rokni, H.Crannell, D.I.Sober, W.J.Fickinger, H.Marshak Excitation of the Isobaric Analog State of 165Ho Pion Single-Charge Exchange NUCLEAR REACTIONS 165Ho(π+, π0), E=98, 163.2, 228.3 MeV; measured π0 yield, θ=4°-6°. 120Sn(π+, π0), E=98-165 MeV; analyzed data; deduced reaction systematics vs mass. 165Er deduced IAS excitation σ.
doi: 10.1103/PhysRevC.35.1382
1986ER09 Phys.Rev. C34, 1822 (1986) A.Erell, J.Alster, J.Lichtenstadt, M.A.Moinester, J.D.Bowman, M.D.Cooper, F.Irom, H.S.Matis, E.Piasetzky, U.Sennhauser Measurements on Isovector Giant Resonances in Pion Charge Exchange NUCLEAR REACTIONS 40Ca, 60Ni, 90Zr, 120Sn, 140Ce, 208Pb(π+, π0), (π-, π0), E=165 MeV; measured σ(θ(π), E(π)). 40Ca, 60Ni, 90Zr, 120Sn, 140Ce, 208Pb deduced isovector giant resonances, excitation σ, Γ. DWIA calculations.
doi: 10.1103/PhysRevC.34.1822
1986FI11 Phys.Rev. C34, 619 (1986) D.H.Fitzgerald, H.W.Baer, J.D.Bowman, M.D.Cooper, F.Irom, N.S.P.King, M.J.Leitch, E.Piasetzky, W.J.Briscoe, M.E.Sadler, K.J.Smith, J.N.Knudson Forward-Angle Cross Sections for Pion-Nucleon Charge Exchange between 100 and 150 MeV/c NUCLEAR REACTIONS 1H(π-, π0), E at 100-150 MeV/c; measured σ(θ) vs momentum; deduced σ(θ=0°), s-, p-wave interference minimum parameters, isospin-odd, s-wave scattering length. Partial wave analyses.
doi: 10.1103/PhysRevC.34.619
1986GI15 Phys.Rev.Lett. 57, 2637 (1986) S.Gilad, S.Hoibraten, W.J.Burger, G.W.Dodson, D.L.Pham, R.P.Redwine, E.Piasetzky, H.W.Baer, J.D.Bowman, F.H.Cverna, M.J.Leitch, U.Sennhauser, Th.S.Bauer, C.D.Q.Ingram, G.S.Kyle, D.Ashery, S.A.Wood, Z.Fraenkel Measurement of the Reaction 16O(π+, π0p) NUCLEAR REACTIONS 16O(π+, π0p), E=245 MeV; measured σ(θπ), πp-coin, σ(θp, E(π), θ(π)); deduced σ(π+, π+p)/σ(π+, π0p). Proton telescopes, pion spectrometer. Isobar-hole model calculations.
doi: 10.1103/PhysRevLett.57.2637
1986IR02 Phys.Rev. C34, 2231 (1986) F.Irom, J.D.Bowman, G.O.Bolme, E.Piasetzky, U.Sennhauser, J.Alster, J.Lichtenstadt, M.Moinester, J.N.Knudson, S.H.Rokni, E.R.Siciliano Excitation of Isovector Giant Resonances in Pion Single-Charge Exchange at 120, 165, and 230 MeV NUCLEAR REACTIONS 40Ca, 60Ni, 120Sn(π+, π0), (π-, π0), E=120, 230 MeV; measured σ(θ(π), E(π)). 40Ca, 60Ni, 120Sn deduced monopole, dipole resonance excitation energies, widths, maximum σ. Scintillator activation technique, π0 spectrometer. DWIA calculations.
doi: 10.1103/PhysRevC.34.2231
1986LE01 Phys.Rev. C33, 278 (1986) M.J.Leitch, H.W.Baer, J.D.Bowman, M.D.Cooper, E.Piasetzky, U.Sennhauser, H.J.Ziock, F.Irom, P.B.Siegel, M.A.Moinester Pion Single Charge Exchange Angular Distributions at T(π) = 48 MeV NUCLEAR REACTIONS 39K, 48Ca(π+, π0), E=48 MeV; measured σ(θ); deduced angle integrated σ. 48Sc deduced IAS excitation. 39Ca deduced IAS excitation, large quadrupole strength.
doi: 10.1103/PhysRevC.33.278
1986UL01 Phys.Rev. C33, 2092 (1986) J.L.Ullmann, P.W.F.Alons, J.J.Kraushaar, J.H.Mitchell, R.J.Peterson, R.A.Ristinen, J.N.Knudson, J.R.Comfort, H.W.Baer, J.D.Bowman, M.D.Cooper, D.H.Fitzgerald, F.Irom, M.J.Leitch, E.Piasetzky Pion Single Charge Exchange on 14C from 35 to 295 MeV NUCLEAR REACTIONS 14C(π+, π0), E=35-295 MeV; measured σ(θ), σ(E(π)); deduced parameters. 14N deduced IAS excitation σ. Comparison with models.
doi: 10.1103/PhysRevC.33.2092
1986YU01 Phys.Rev.Lett. 57, 1680 (1986) V.Yuan, H.Frauenfelder, R.W.Harper, J.D.Bowman, R.Carlini, D.W.MacArthur, R.E.Mischke, D.E.Nagle, R.L.Talaga, A.B.McDonald Measurement of Parity Nonconservation in the Proton-Proton Total Cross Section at 800 MeV NUCLEAR REACTIONS 1H(polarized p, p), E=800 MeV; measured longitudinal asymmetry; deduced parity nonconservation in σ. Liquid hydrogen unpolarized target, integrating ion chambers.
doi: 10.1103/PhysRevLett.57.1680
1985IR01 Phys.Rev. C31, 1464 (1985) F.Irom, H.W.Baer, J.D.Bowman, M.D.Cooper, E.Piasetzky, U.Sennhauser, H.J.Ziock, M.J.Leitch, A.Erell, M.A.Moinester, J.R.Comfort Pion Single Charge Exchange on 7Li at Low Energies NUCLEAR REACTIONS 7Li(π+, π0), E=33.5, 41.1, 48.7, 58.8 MeV; measured σ(θ), σ(E(π0)). Optical model analysis.
doi: 10.1103/PhysRevC.31.1464
1985IR02 Phys.Rev.Lett. 55, 1862 (1985) F.Irom, M.J.Leitch, H.W.Baer, J.D.Bowman, M.D.Cooper, B.J.Dropesky, E.Piasetzky, J.N.Knudson Energy and Mass Dependence of Low-Energy Pion Single Charge Exchange to the Isobaric Analog State NUCLEAR REACTIONS 7Li, 14C, 15N, 39K, 120Sn(π+, π0), E ≈ 30-80 MeV; measured σ(θ), σ(E(π0)); deduced medium effects suppression evidence, parameter mass dependence. 7Be, 14N, 15O, 39Ca, 120Sb deduced IAS excitation. Pion energy quadratic function fit.
doi: 10.1103/PhysRevLett.55.1862
1985LE05 Phys.Rev.Lett. 54, 1482 (1985) M.J.Leitch, E.Piasetzky, H.W.Baer, J.D.Bowman, R.L.Burman, B.J.Dropesky, P.A.M.Gram, F.Irom, D.Roberts, G.A.Rebka, Jr., J.N.Knudson, J.R.Comfort, V.A.Pinnick, D.H.Wright, S.A.Wood Double Analog Transition 14C(π+, π-)14O at 50 MeV NUCLEAR REACTIONS 14C(π+, π-), E=50 MeV; measured σ(θ, E(π)), missing mass spectra, pion yields, σ(θ); deduced σ. 14O deduced double IAS excitation dominance. Sequential optical model, six quark bag model analyses.
doi: 10.1103/PhysRevLett.54.1482
1984AS05 Phys.Rev. C30, 946 (1984) D.Ashery, D.F.Geesaman, R.J.Holt, H.E.Jackson, J.R.Specht, K.E.Stephenson, R.E.Segel, P.Zupranski, H.W.Baer, J.D.Bowman, M.D.Cooper, M.Leitch, A.Erell, J.Comuzzi, R.P.Redwine, D.R.Tieger Inclusive Pion Single-Charge-Exchange Reactions NUCLEAR REACTIONS 12,14C, 16,18O, Ni, 120Sn, Pb(π+, π0), (π-, π0), E=160 MeV; measured σ(E(π0), θ(π0)); deduced multiple scattering, neutron screening, Pauli blocking effects.
doi: 10.1103/PhysRevC.30.946
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