NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.Knudson Found 60 matches. 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
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
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
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
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
1998FR07 Phys.Rev. C57, 3144 (1998) E.Frlez, D.Pocanic, K.A.Assamagan, J.P.Chen, K.J.Keeter, R.M.Marshall, R.C.Minehart, L.C.Smith, G.E.Dodge, S.S.Hanna, B.H.King, J.N.Knudson Differential Cross Sections for Pion Charge Exchange on the Proton at 27.5 MeV NUCLEAR REACTIONS 1H(π-, π0), E=27.5 MeV; measured σ(θ).
doi: 10.1103/PhysRevC.57.3144
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
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
1997OF01 Phys.Rev. C55, 1295 (1997) B.G.Ofenloch, R.A.Giannelli, B.G.Ritchie, J.M.O'Donnell, J.N.Knudson, C.L.Morris, C.M.Kormanyos, A.Saunders, J.Z.Williams, R.A.Lindgren, B.L.Clausen Pion-Nucleus Spin-Flip Strength at Low and Resonance Energies NUCLEAR REACTIONS 10B(π+, π+'), E=65 MeV; measured σ(θ). 10B deduced isovector spin-flip strength parameter, B(λ). Other data analyzed.
doi: 10.1103/PhysRevC.55.1295
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
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
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
1994PO01 Phys.Rev.Lett. 72, 1156 (1994) D.Pocanic, E.Frlez, K.A.Assamagan, J.P.Chen, K.J.Keeter, R.M.Marshall, R.C.Minehart, L.C.Smith, G.E.Dodge, S.S.Hanna, B.H.King, J.N.Knudson Reaction π+p → π+π0p Near Threshold and Chiral Symmetry Breaking NUCLEAR REACTIONS 1H(π+, π+π0), E=190-260 MeV; measured invariant mass spectra, π0π+-, π0p-coin; deduced total σ(E).
doi: 10.1103/PhysRevLett.72.1156
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
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
1991GO14 Phys.Rev.Lett. 66, 2193 (1991) J.J.Gorgen, J.R.Comfort, J.R.Tinsley, T.Averett, J.DeKorse, G.Franklin, B.G.Ritchie, G.Kyle, A.Klein, B.Berman, G.Burleson, K.Cranston, J.A.Faucett, J.J.Jarmer, J.N.Knudson, S.Penttila, N.Tanaka, B.Brinkmoller, D.Dehnhard, Y.-F.Yen, S.Hoibraten, H.Breuer, B.S.Flanders, M.A.Khandaker, D.L.Naples, D.Zhang, M.L.Barlett, G.W.Hoffmann, M.Purcell Analyzing Powers for Pion Charge Exchange on Polarized 13C NUCLEAR REACTIONS 13C(π+, π0), E=163 MeV; measured σ(θ), analyzing power vs θ. Polarized target.
doi: 10.1103/PhysRevLett.66.2193
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
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
1990GO36 J.Phys.(Paris), Colloq.C-6, 583 (1990) J.Gorgen, J.Comfort, T.Averett, J.DeKorse, G.Franklin, B.Ritchie, J.Tinsley, G.Kyle, B.Berman, G.R.Burleson, K.Cranston, A.Klein, J.A.Faucett, J.Jarmer, J.N.Knudson, S.Penttila, N.Tanaka, B.Brinkmoller, D.Dehnhard, Y.F.Yen, H.Breuer, M.A.Khandaker, D.L.Naples, B.S.Flanders, D.Zhang, M.Barlett, G.W.Hoffmann, M.Purcell, S.Hoibraten Analyzing Power Measurements for the (π+, π0) Reaction on a Polarized 13C Target at T(π+) = 163 MeV NUCLEAR REACTIONS 13C(π+, π0), E=163 MeV; measured σ(θ), analyzing power vs θ. Polarized target. DWIA analyses.
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.
1989LE11 Phys.Rev. C39, 2356 (1989) M.J.Leitch, H.W.Baer, R.L.Burman, C.L.Morris, J.N.Knudson, J.R.Comfort, D.H.Wright, R.Gilman, S.H.Rokni, E.Piasetzky, Z.Weinfeld, W.R.Gibbs, W.B.Kaufmann 14C(π+, π-)14O Reaction between 19 and 80 MeV NUCLEAR REACTIONS 14C(π+, π-)14O, E=19-80 MeV; measured σ(θ) vs E. 14O deduced double IAS excitation. DWIA, optical model.
doi: 10.1103/PhysRevC.39.2356
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
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
1987BA14 Phys.Rev. C35, 1425 (1987) H.W.Baer, M.J.Leitch, R.L.Burman, M.D.Cooper, A.Z.Cui, B.J.Dropesky, G.C.Giesler, F.Irom, C.L.Morris, J.N.Knudson, J.R.Comfort, D.H.Wright, R.Gilman Double-Analog Transition 48Ca(π+, π-)48Ti at 35 and 50 MeV NUCLEAR REACTIONS 48Ca(π+, π-), E=35 MeV; measured σ(θ), σ(E(π)); deduced model parameters. Second-order optical potential calculations.
doi: 10.1103/PhysRevC.35.1425
1987CA20 Nucl.Phys. A470, 349 (1987) J.R.Campbell, W.R.Falk, N.E.Davison, J.Knudson, R.Aryaeinejad, R.Tkachuk Tensor Polarization of 12C(15.11 MeV, J(π) = 1+) in the 13C(p, d)12C( → 12C g.s. + γ) Reaction at E(p) = 41.3 MeV NUCLEAR REACTIONS, MECPD 13C(p, d), E=41.3 MeV; measured σ(θ). 12C level deduced polarization tensor. Enriched target. DWBA analysis.
doi: 10.1016/0375-9474(87)90007-8
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
1987UL01 Phys.Rev. C35, 1099 (1987) J.L.Ullmann, P.W.F.Alons, B.L.Clausen, J.J.Kraushaar, J.H.Mitchell, R.J.Peterson, R.A.Ristinen, R.L.Boudrie, N.S.P.King, C.L.Morris, J.N.Knudson, E.F.Gibson Pion Scattering to Collective Excitations in 90Zr and 118Sn NUCLEAR REACTIONS 118Sn, 90Zr(π+, π+'), (π-, π-'), E=163 MeV; measured σ(θ). 118Sn, 90Zr levels deduced deformation lengths, GQR, giant monopole sum rule strengths, σ ratios.
doi: 10.1103/PhysRevC.35.1099
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
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
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
1985AR03 Nucl.Phys. A436, 1 (1985) R.Aryaeinejad, W.R.Falk, N.E.Davison, J.N.Knudson, J.R.Campbell T = (1/2) and (3/2) Negative-Parity States in 11B with the 14C(p, α)11B Reaction NUCLEAR REACTIONS 14C(p, α), E=41.9 MeV; measured σ(Eα), σ(θ). 11B deduced levels, Γ, T, spectroscopic strengths. Enriched target. DWBA, cluster form factors.
doi: 10.1016/0375-9474(85)90540-8
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
1982AN08 Phys.Rev. C26, 8 (1982) B.D.Anderson, R.J.McCarthy, M.Ahmad, A.Fazely, A.M.Kalenda, J.N.Knudson, J.W.Watson, R.Madey, C.C.Foster Comparison of 0°(p, n) Cross Sections and B(M1) Values for Separating Current and Spin Contributions to Isovector M1 Transitions NUCLEAR REACTIONS 12C, 16O, 24,26Mg, 28Si, 48Ca(p, n), E=62-160 MeV; analyzed σ(θ=0°) vs E. 12N, 24,26Al, 16F, 28P, 48Sc level deduced σ/B(M1) spin, current contribution dependence. Inelastic electron scattering data input.
doi: 10.1103/PhysRevC.26.8
1982MA22 Phys.Rev. C25, 3050 (1982) R.Madey, T.Vilaithong, B.D.Anderson, J.N.Knudson, T.R.Witten, A.R.Baldwin, F.M.Waterman Neutrons from Nuclear Capture of Negative Pions NUCLEAR REACTIONS C, N, O, Al, Cu, Ta, Pb(π-, xn), E ≈ 0; measured σ(En), yields; deduced nuclear temperature. Tof. Intranuclear cascade, preequilibrium models.
doi: 10.1103/PhysRevC.25.3050
1980AN05 Nucl.Instrum.Methods 169, 153 (1980) B.D.Anderson, J.N.Knudson, R.Madey, C.C.Foster A Comparison of 12C(p, n)12N and 12C(p, p')12C* Cross-Section Measurements to Analog States as a Test of Monte-Carlo Calculated Efficiencies for Large-Volume Neutron Counters NUCLEAR REACTIONS 12C(p, n), E=61.9, 119.8 MeV; measured σ. 12C level deduced isospin mixing. Tof, large-volume detector.
doi: 10.1016/0029-554X(80)90115-9
1980AN19 Phys.Rev.Lett. 45, 699 (1980) B.D.Anderson, J.N.Knudson, P.C.Tandy, J.W.Watson, R.Madey, C.C.Foster Observation of a T(>) Gamow-Teller State in 48Ca(p, n)48Sc at 160 MeV NUCLEAR REACTIONS 48Ca(p, n), E=160 MeV; measured σ(En, θ). 48Sc deduced level, isospin, Gamow-Teller transition strength, giant M1 analog. Shell model, tof.
doi: 10.1103/PhysRevLett.45.699
1980KN02 Phys.Rev. C22, 1826 (1980) J.N.Knudson, B.D.Anderson, P.C.Tandy, J.W.Watson, R.Madey, C.C.Foster 12C(p, n)12N Reaction at 99 MeV NUCLEAR REACTIONS 12C(p, n), E=99.1 MeV; measured σ(En, θ). DWIA calculations, effective nucleon-nucleon interaction.
doi: 10.1103/PhysRevC.22.1826
Back to query form Note: The following list of authors and aliases matches the search parameter J.Knudson: , J.N.KNUDSON |