NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = M.S.Dewey Found 37 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
2021HA20 Phys.Rev. C 103, 045502 (2021) M.T.Hassan, W.A.Byron, G.Darius, C.DeAngelis, F.E.Wietfeldt, B.Collett, G.L.Jones, A.Komives, G.Noid, E.J.Stephenson, F.Bateman, M.S.Dewey, T.R.Gentile, M.P.Mendenhall, J.S.Nico Measurement of the neutron decay electron-antineutrino angular correlation by the aCORN experiment RADIOACTIVITY 1n(β-); measured E(β-), E(p), asymmetry in proton time-of-flight for (proton)(β-)-delayed coincidence events, and the (electron)(antineutrino)(θ) using aCORN method at the high-flux cold neutron beam on the new NG-C neutron guide end position at the NIST Center for Neutron Research; deduced 'a' coefficient of electron-antineutrino correlation, and the ratio of weak coupling constant λ=GA/GV. Comparison with previous experimental results since 1978, and with the PDG evaluation.
doi: 10.1103/PhysRevC.103.045502
2017DA16 Phys.Rev.Lett. 119, 042502 (2017) G.Darius, W.A.Byron, C.R.DeAngelis, M.T.Hassan, F.E.Wietfeldt, B.Collett, G.L.Jones, M.S.Dewey, M.P.Mendenhall, J.S.Nico, H.Park, A.Komives, E.J.Stephenson Measurement of the Electron-Antineutrino Angular Correlation in Neutron β Decay RADIOACTIVITY 1NN(β-); measured decay products, Ep, Ip, Eβ, Iβ; deduced wishbone asymmetry, electron-antineutrino angular correlation (a coefficient). aCORN experiment, comparison with available data.
doi: 10.1103/PhysRevLett.119.042502
2016BA29 Phys.Rev.Lett. 116, 242501 (2016) M.J.Bales, R.Alarcon, C.D.Bass, E.J.Beise, H.Breuer, J.Byrne, T.E.Chupp, K.J.Coakley, R.L.Cooper, M.S.Dewey, S.Gardner, T.R.Gentile, D.He, H.P.Mumm, J.S.Nico, B.O'Neill, A.K.Thompson, F.E.Wietfeldt, for the RDK II Collaboration Precision Measurement of the Radiative β Decay of the Free Neutron RADIOACTIVITY 1NN(β-); measured decay products, Eγ, Iγ, Eβ, Iβ, Ep, Ip; deduced photon energy spectrum from neutron radiative decay branching ratio and its uncertainties. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.116.242501
2013YU07 Phys.Rev.Lett. 111, 222501 (2013) A.T.Yue, M.S.Dewey, D.M.Gilliam, G.L.Greene, A.B.Laptev, J.S.Nico, W.M.Snow, F.E.Wietfeldt Improved Determination of the Neutron Lifetime NUCLEAR REACTIONS 6Li(n, t), E not given; measuring reaction products, En, In; deduced neutron monitor efficiency, updated neutron T1/2 or lifetime. ENDF/B-VI evaluated neutron library, comparison with available data. RADIOACTIVITY 1NN(β-); analyzed available data; deduced an updated T1/2 and uncertainties.
doi: 10.1103/PhysRevLett.111.222501
2010CO03 Phys.Rev. C 81, 035503 (2010) R.L.Cooper, T.E.Chupp, M.S.Dewey, T.R.Gentile, H.P.Mumm, J.S.Nico, A.K.Thompson, B.M.Fisher, I.Kremsky, F.E.Wietfeldt, E.J.Beise, K.G.Kiriluk, J.Byrne, K.J.Coakley, C.Fu Radiative β decay of the free neutron RADIOACTIVITY 1n(β-); measured Eγ, Ep, E(e), peγ-coin; deduced branching ratio for radiative decay (inner bremsstrahlung) of neutron in 15-340 keV photon energy range. Monte-Carlo simulations of the spectra. Comparison with theoretical predictions.
doi: 10.1103/PhysRevC.81.035503
2006DE21 Phys.Rev. C 73, 044303 (2006) M.S.Dewey, E.G.Kessler, Jr., R.D.Deslattes, H.G.Borner, M.Jentschel, C.Doll, P.Mutti Precision measurement of the 29Si, 33S, and 36Cl binding energies NUCLEAR REACTIONS 28Si, 32S, 35Cl(n, γ), E=reactor; measured Eγ, Iγ. 29Si, 33S, 36Cl deduced binding energies. Flat-crystal spectrometer.
doi: 10.1103/PhysRevC.73.044303
2006NI13 Nature(London) 444, 1059 (2006) J.S.Nico, M.S.Dewey, T.R.Gentile, H.P.Mumm, A.K.Thompson, B.M.Fisher, I.Kremsky, F.E.Wietfeldt, T.E.Chupp, R.L.Cooper, E.J.Beise, K.G.Kiriluk, J.Byrne, K.J.Coakley Observation of the radiative decay mode of the free neutron RADIOACTIVITY 1n(β-); measured Eγ, βγ-, (proton)γ-coin; deduced branching ratio for radiative decay.
doi: 10.1038/nature05390
2005CO14 J.Res.Natl.Inst.Stand.Technol. 110, 401 (2005) B.Collett, R.Anderman, S.Balashov, F.B.Bateman, J.Byrne, M.S.Dewey, B.M.Fisher, L.Goldin, G.Jones, A.Komives, T.Konopka, M.Leuschner, Yu.Mostovoy, J.S.Nico, A.K.Thompson, C.Trull, F.E.Wietfeldt, R.Wilson, B.G.Yerozolimsky Proposed Measurement of the Beta-Neutrino Correlation in Neutron Decay
doi: 10.6028/jres.110.060
2005FI11 J.Res.Natl.Inst.Stand.Technol. 110, 421 (2005) B.M.Fisher, F.E.Wietfeldt, M.S.Dewey, T.R.Gentile, J.S.Nico, A.K.Thompson, K.J.Coakley, E.J.Beise, K.G.Kiriluk, J.Byrne Detecting the Radiative Decay Mode of the Neutron
doi: 10.6028/jres.110.064
2005NI13 Phys.Rev. C 71, 055502 (2005) J.S.Nico, M.S.Dewey, D.M.Gilliam, F.E.Wietfeldt, X.Fei, W.M.Snow, G.L.Greene, J.Pauwels, R.Eykens, A.Lamberty, J.Van Gestel, R.D.Scott Measurement of the neutron lifetime by counting trapped protons in a cold neutron beam RADIOACTIVITY 1n(β-); measured T1/2. Cold neutrons, in-beam technique.
doi: 10.1103/PhysRevC.71.055502
2005NI14 J.Res.Natl.Inst.Stand.Technol. 110, 137 (2005) J.S.Nico, M.Arif, M.S.Dewey, T.R.Gentile, D.M.Gilliam, P.R.Huffman, D.L.Jacobson, A.K.Thompson The Fundamental Neutron Physics Facilities at NIST
doi: 10.6028/jres.110.013
2005RA34 Nature(London) 438, 1096 (2005) S.Rainville, J.K.Thompson, E.G.Myers, J.M.Brown, M.S.Dewey, E.G.Kessler, R.D.Deslattes, H.G.Borner, M.Jentschel, P.Mutti, D.E.Pritchard A direct test of E=mc2 ATOMIC MASSES 28,29Si, 32,33S; measured mass ratios. Penning trap.
doi: 10.1038/4381096a
2005WI02 Nucl.Instrum.Methods Phys.Res. A538, 574 (2005) F.E.Wietfeldt, C.Trull, R.Anderman, F.B.Bateman, M.S.Dewey, A.Komives, A.K.Thompson, S.Balashov, Yu.Mostovoy A backscatter-suppressed beta spectrometer for neutron decay studies
doi: 10.1016/j.nima.2004.08.123
2005WI15 Nucl.Instrum.Methods Phys.Res. A545, 181 (2005) F.E.Wietfeldt, B.M.Fisher, C.Trull, G.L.Jones, B.Collet, L.Goldin, B.G.Yerozolimsky, R.Wilson, S.Balashov, Yu.Mostovoy, A.Komives, M.Leuschner, J.Byrne, F.B.Bateman, M.S.Dewey, J.S.Nico, A.K.Thompson A method for an improved measurement of the electron-antineutrino correlation in free neutron beta decay RADIOACTIVITY 1n(β-); calculated recoil proton spectrum, pβ-coin, asymmetry. New experimental technique with reduced uncertainty discussed.
doi: 10.1016/j.nima.2005.01.339
2005WI17 J.Res.Natl.Inst.Stand.Technol. 110, 327 (2005) F.E.Wietfeldt, M.S.Dewey, D.M.Gilliam, J.S.Nico, X.Fei, W.M.Snow, G.L.Greene, J.Pauwels, R.Eykens, A.Lamberty, J.Van Gestel Measurement of the Neutron Lifetime by Counting Trapped Protons RADIOACTIVITY 1n(β-); measured T1/2. Trapped proton counting method.
doi: 10.6028/jres.110.048
2003DE25 Phys.Rev.Lett. 91, 152302 (2003) M.S.Dewey, D.M.Gilliam, J.S.Nico, F.E.Wietfeldt, X.Fei, W.M.Snow, G.L.Greene, J.Pauwels, R.Eykens, A.Lamberty, J.Van Gestel Measurement of the Neutron Lifetime Using a Proton Trap RADIOACTIVITY 1n(β-); measured T1/2. In-beam method, comparison with previous results.
doi: 10.1103/PhysRevLett.91.152302
2001BR15 Phys.Rev. C63, 055502 (2001) C.R.Brome, J.S.Butterworth, S.N.Dzhosyuk, C.E.H.Mattoni, D.N.McKinsey, J.M.Doyle, P.R.Huffman, M.S.Dewey, F.E.Wietfeldt, R.Golub, K.Habicht, G.L.Greene, S.K.Lamoreaux, K.J.Coakley Magnetic Trapping of Ultracold Neutrons RADIOACTIVITY 1n(β-); measured trapped neutron population vs time; deduced T1/2. Magnetic confinement of ultracold neutrons.
doi: 10.1103/PhysRevC.63.055502
2001MO41 Yad.Fiz. 64, No 11, 2040 (2001); Phys.Atomic Nuclei 64, 1955 (2001) Yu.A.Mostovoi, I.A.Kuznetsov, V.A.Solovei, A.P.Serebrov, I.V.Stepanenko, T.K.Baranova, A.V.Vasiliev, Yu.P.Rudnev, B.G.Yerozolimsky, M.S.Dewey, F.Wietfeldt, O.Zimmer, V.V.Nesvizhevsky Experimental Value of GA/GV from a Measurement of Both P-Odd Correlations in Free-Neutron Decay RADIOACTIVITY 1n(β-); measured P-odd correlations; deduced weak-interaction parameter.
doi: 10.1134/1.1423745
2000DE25 J.Res.Natl.Inst.Stand.Technol. 105, 11 (2000) Precision Measurement of Fudamental Constants using GAMS4 NUCLEAR REACTIONS 1H, 35Cl(n, γ), E=reactor; measured Eγ, Iγ. 2H, 36Cl deduced binding energies. Crystal diffraction method.
doi: 10.6028/jres.105.003
2000JO03 Nucl.Instrum.Methods Phys.Res. A440, 648 (2000) G.L.Jones, J.M.Adams, J.M.Anaya, T.J.Bowles, T.E.Chupp, K.P.Coulter, M.S.Dewey, S.J.Freedman, B.K.Fujikawa, A.Garcia, G.L.Greene, S.-R.Hwang, L.J.Lising, H.P.Mumm, J.S.Nico, R.G.H.Robertson, T.D.Steiger, W.A.Teasdale, A.K.Thompson, E.G.Wasserman, F.E.Wietfeldt, J.F.Wilkerson Time Reversal in Polarized Neutron Decay: The emiT experiment RADIOACTIVITY 1n(β-); measured proton-electron correlations following polarized neutron decay.
doi: 10.1016/S0168-9002(99)01056-6
2000KU02 Nucl.Instrum.Methods Phys.Res. A440, 539 (2000) I.A.Kuznetsov, Yu.P.Rudnev, A.P.Serebrov, V.A.Solovei, I.V.Stepanenko, A.V.Vasiliev, Yu.A.Mostovoy, O.Zimmer, B.G.Yerozolimsky, M.S.Dewey, F.Wietfeldt An Experiment to Measure λ = GA/GV from a Combination of Angular Correlation Coefficients in the Beta Decay of Polarized Neutrons
doi: 10.1016/S0168-9002(99)01033-5
2000LI42 Phys.Rev. C62, 055501 (2000) L.J.Lising, S.R.Hwang, J.M.Adams, T.J.Bowles, M.C.Browne, T.E.Chupp, K.P.Coulter, M.S.Dewey, S.J.Freedman, B.K.Fujikawa, A.Garcia, G.L.Greene, G.L.Jones, H.P.Mumm, J.S.Nico, J.M.Richardson, R.G.H.Robertson, T.D.Steiger, W.A.Teasdale, A.K.Thompson, E.G.Wasserman, F.E.Wietfeldt, R.C.Welsh, J.F.Wilkerson, and the emiT Collaboration New Limit on the D Coefficient in Polarized Neutron Decay RADIOACTIVITY 1n(β-); measured pβ-coin following polarized neutron decay; deduced limits on time-reversal invariance coefficient.
doi: 10.1103/PhysRevC.62.055501
2000SN01 Nucl.Instrum.Methods Phys.Res. A440, 528 (2000) W.M.Snow, Z.Chowdhuri, M.S.Dewey, X.Fei, D.M.Gilliam, G.L.Greene, J.S.Nico, F.E.Wietfeldt A Measurement of the Neutron Lifetime by Counting Trapped Protons
doi: 10.1016/S0168-9002(99)01031-1
1999KE05 Phys.Lett. 255A, 221 (1999) E.G.Kessler, Jr., M.S.Dewey, R.D.Deslattes, A.Henins, H.G.Borner, M.Jentschel, C.Doll, H.Lehmann The Deuteron Binding Energy and the Neutron Mass NUCLEAR REACTIONS 1H(n, γ), E=reactor; measured Eγ, Iγ. 2H deduced binding energy. 1n deduced mass. Crystal diffraction spectrometer.
doi: 10.1016/S0375-9601(99)00078-X
1998SE11 Zh.Eksp.Teor.Fiz. 113, 1963 (1998); J.Exper.Theo.Phys. 86, 1074 (1998) A.P.Serebrov, I.A.Kuznetsov, I.V.Stepanenko, A.V.Aldushchenkov, M.S.Lasakov, Yu.A.Mostovoi, B.G.Erozolimsky, M.S.Dewey, F.E.Wietfeldt, O.Zimmer, H.Borner Measurement of the Antineutrino Escape Asymmetry with Respect to the Spin of the Decaying Neutron RADIOACTIVITY 1n(β-); measured proton-, β-spectra; deduced neutrino asymmetry. Polarized source.
doi: 10.1134/1.558574
1995GR24 Nucl.Instrum.Methods Phys.Res. A356, 177 (1995) G.L.Greene, A.K.Thompson, M.S.Dewey A Method for the Accurate Determination of the Polarization of a Neutron Beam using a Polarized 3He Spin Filter
doi: 10.1016/0168-9002(94)01249-0
1995KU30 Phys.Rev.Lett. 75, 794 (1995) I.A.Kuznetsov, A.P.Serebrov, I.V.Stepanenko, A.V.Alduschenkov, M.S.Lasakov, A.A.Kokin, Yu.A.Mostovoi, B.G.Yerozolimsky, M.S.Dewey Measurements of the Antineutrino Spin Asymmetry in Beta Decay of the Neutron and Restrictions on the Mass of a Right-Handed Gauge Boson RADIOACTIVITY 1n(β-); measured antineutrino spin asymmetry; deduced right-handed gauge boson mass restrictions. Polarized neutron.
doi: 10.1103/PhysRevLett.75.794
1994KU46 Pisma Zh.Eksp.Teor.Fiz. 60, 311 (1994); JETP Lett.(USSR) 60, 315 (1994) I.A.Kuznetsov, A.P.Serebrov, I.V.Stepanenko, A.V.Aldushchenkov, M.S.Lasakov, A.A.Kokin, Yu.A.Mostovoi, B.G.Erozolimsky, M.S.Dewey New Measurements of the Antineutrino-Spin Asymmetry in Beta Decay of the Neutron and Restriction for Mass W(R) RADIOACTIVITY 1n(β-); measured ν(ν-bar)-spin asymmetry coefficient, polarized source; deduced M(W(R)) lower limit.
1990BY05 Phys.Rev.Lett. 65, 289 (1990) J.Byrne, P.G.Dawber, J.A.Spain, A.P.Williams, M.S.Dewey, D.M.Gilliam, G.L.Greene, G.P.Lamaze, R.D.Scott, J.Pauwels, R.Eykens, A.Lamberty Measurement of Neutron Lifetime by Counting Trapped Protons
doi: 10.1103/PhysRevLett.65.289
1989BY04 Nucl.Instrum.Methods Phys.Res. A284, 116 (1989) J.Byrne, P.G.Dawber, J.A.Spain, M.S.Dewey, D.M.Gilliam, G.L.Greene, G.P.Lamaze, A.P.Williams, J.Pauwels, R.Eykens, J.Van Gestel, A.Lamberty, R.D.Scott Determination of the Neutron Lifetime by Counting Trapped Protons RADIOACTIVITY 1n(β-); measured T1/2. In-beam trapped proton counting technique.
doi: 10.1016/0168-9002(89)90261-1
1989DE45 Nucl.Instrum.Methods Phys.Res. A284, 151 (1989) M.S.Dewey, E.G.Kessler, Jr., G.L.Greene, R.D.Deslattes, H.Borner, J.Jolie Fundamental Physics Using Ultrahigh Resolution Gamma Spectroscopy RADIOACTIVITY 152Eu(EC), (β+), (β-) [from 151Eu(n, γ)]; measured Eγ recoil Doppler shift; deduced γ, neutrino helicity relative signs. Double-flat crystal spectrometer.
doi: 10.1016/0168-9002(89)90270-2
1989UL01 Nucl.Phys. A505, 193 (1989) S.Ulbig, K.P.Lieb, Ch.Winter, H.G.Borner, J.Jolie, S.Robinson, P.A.Mando, P.Sona, N.Taccetti, M.S.Dewey, J.G.L.Booten, F.Brandolini Lifetime Measurements in 57Fe following the 56Fe(n, γ) and 56Fe(d, p) Reactions NUCLEAR REACTIONS 56Fe(n, γ), E=thernal; measured γ-line shapes. 56Fe(d, p), E=6 MeV; measured σ(Ep), pγ-coin, DSA centroid shifts; deduced 57Fe atom slowing in Fe target. 57Fe deduced levels, J, π, T1/2, γ-branching ratios, B(λ), δ. Shell model calculations.
doi: 10.1016/0375-9474(89)90370-9
1989WO10 Phys.Rev.Lett. 63, 2721 (1989) F.L.H.Wolfs, S.J.Freedman, J.E.Nelson, M.S.Dewey, G.L.Greene Measurement of the 3He(n, γ)4He Cross Section at Thermal Neutron Energies NUCLEAR REACTIONS 3He(n, γ), E=thermal; measured capture σ. 3H(p, γ), E=1 MeV; measured Eγ, Iγ; deduced astrophysical S-factor for 3He(p, e+ν) reaction.
doi: 10.1103/PhysRevLett.63.2721
1988BO34 Phys.Lett. 215B, 45 (1988) H.G.Borner, J.Jolie, F.Hoyler, S.Robinson, M.S.Dewey, G.Greene, E.Kessler, R.D.Deslattes Determination of Short Lifetimes with Ultra High Resolution (n, γ) Spectroscopy NUCLEAR REACTIONS 48Ti(n, γ), E=thermal; measured Doppler broadening of γ-line shape. 49Ti levels deduced T1/2.
doi: 10.1016/0370-2693(88)91067-2
1988LI30 Phys.Lett. 215B, 50 (1988) K.P.Lieb, H.G.Borner, M.S.Dewey, J.Jolie, S.J.Robinson, S.Ulbig, Ch.Winter Doppler Shift Attenuation Lifetime Measurements in 54Cr following Thermal Neutron Capture NUCLEAR REACTIONS 53Cr(n, γ), E=thermal; measured Doppler broadened γ-line shapes. 54Cr levels deduced T1/2, B(M1). NUCLEAR STRUCTURE 52Ti, 54Cr, 56Fe; calculated 2+ states, B(M1).
doi: 10.1016/0370-2693(88)91068-4
1978DE29 Phys.Rev. C18, 2061 (1978) M.S.Dewey, H.-E.Mahnke, P.Chowdhury, U.Garg, T.P.Sjoreen, D.B.Fossan Magnetic Moment Measurement of the 129Cs 11/2- Isomer in a CsI Cubic Environment NUCLEAR REACTIONS 127I(α, 2nγ), E=22 MeV; measured spin rotation in γ(θ, H, t). 129Cs level deduced g. Pulsed beam, CsI target, TDPAD technique.
doi: 10.1103/PhysRevC.18.2061
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