NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = B.E.Crawford Found 31 matches. 2023WI03 Phys.Rev. D 107, 118501 (2023) F.E.Wietfeldt, R.Biswas, J.Caylor, B.Crawford, M.S.Dewey, N.Fomin, G.L.Greene, C.C.Haddock, S.F.Hoogerheide, H.P.Mumm, J.S.Nico, W.M.Snow, J.Zuchegno Comment on "Search for explanation of the neutron lifetime anomaly" RADIOACTIVITY 1NN(β-); analyzed available data; deduced T1/2 measurement validation, lack of missing corrections and systematic uncertainties. The beam neutron lifetime experiment performed at NIST.
doi: 10.1103/PhysRevD.107.118501
2019SW01 Phys.Rev. C 100, 015204 (2019) H.E.Swanson, B.R.Heckel, C.D.Bass, T.D.Bass, J.M.Dawkins, J.C.Horton, D.Luo, W.M.Snow, S.B.Walbridge, B.E.Crawford, K.Gan, A.M.Micherdzinska, C.Huffer, D.M.Markoff, H.P.Mumm, J.S.Nico, M.Sarsour, E.I.Sharapov, V.Zhumabekova Experimental upper bound and theoretical expectations for parity-violating neutron spin rotation in 4He NUCLEAR REACTIONS 4He(polarized n, n), E=cold neutrons; measured polarization, parity-violating neutron spin rotation angle per unit length using a neutron optics crossed polarizer-analyzer with liquid 4He medium at the NIST Center for Neutron Research; deduced result consistent with zero. Comparison with previous experimental results, and with theoretical predictions. Reviewed the theoretical status of parity violation in then+4He system.
doi: 10.1103/PhysRevC.100.015204
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
2011SN01 Phys.Rev. C 83, 022501 (2011) W.M.Snow, C.D.Bass, T.D.Bass, B.E.Crawford, K.Gan, B.R.Heckel, D.Luo, D.M.Markoff, A.M.Micherdzinska, H.P.Mumm, J.S.Nico, A.K.Opper, M.Sarsour, E.I.Sharapov, H.E.Swanson, S.B.Walbridge, V.Zhumabekova Upper bound on parity-violating neutron spin rotation in 4He NUCLEAR REACTIONS 4He(polarized n, n), E=slow; measured neutron spin rotation angle per unit length; deduced upper bound on parity-violating neutron spin rotation.
doi: 10.1103/PhysRevC.83.022501
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
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
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
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
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
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
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
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
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
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
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
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
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
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