NSR Query Results
Output year order : Descending NSR database version of May 8, 2024. Search: Author = J.Byrne Found 34 matches. 2022BY01 Eur.Phys.J. A 58, 151 (2022) The neutron lifetime anomaly: analysis of charge exchange and molecular reactions in a proton trap RADIOACTIVITY 1NN(β-); analyzed available data; deduced that decay spectrum is strongly influenced by charge exchange, secondary molecular reactions and backscattering in the detector dead layer.
doi: 10.1140/epja/s10050-022-00786-8
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
2011DE25 J.Labelled Compd.Radiopharm. Supp.1., 54, S248 (2011) T.R.DeGrado, J.P.Byrne, A.B.Packard, A.P.Belanger, S.Rangarajan, M.K.Pandey A solution target approach for cyclotron production of 89Zr: Understanding and coping with in-target electrolysis NUCLEAR REACTIONS 89Y(p, n), E=13 MeV; measured reaction products; deduced yields, feasibility for 89Zr production.
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
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
2005BY03 J.Res.Natl.Inst.Stand.Technol. 110, 395 (2005) Determination of the Electron-Antineutrino Angular Correlation Coefficient a0 in Unpolarized Neutron β-Decay RADIOACTIVITY 1n(β-); measured recoil proton spectra; deduced electron-antineutrino angular correlation coefficient.
doi: 10.6028/jres.110.059
2005BY04 J.Res.Natl.Inst.Stand.Technol. 110, 415 (2005) J.Byrne, R.U.Khafizov, Yu A.Mostovoi, O.Rozhnov, V.A.Solovei, M.Beck, V.U.Kozlov, N.Severijns Search for Radiative β-Decay of the Free Neutron RADIOACTIVITY 1n(β-); measured Ep, Eβ, Eγ, pγ-, βγ-, pβ-coin; deduced upper limit for radiative decay branching ratio.
doi: 10.6028/jres.110.063
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
2005GL01 Eur.Phys.J. A 23, 135 (2005) F.Gluck, S.Baessler, J.Byrne, M.G.D.van der Grinten, F.J.Hartmann, W.Heil, I.Konorov, G.Petzoldt, Yu.Sobolev, O.Zimmer The neutron decay retardation spectrometer aSPECT: Electromagnetic design and systematic effects
doi: 10.1140/epja/i2004-10057-1
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
2002BE79 Pisma Zh.Eksp.Teor.Fiz. 76, 392 (2002); JETP Lett. 76, 332 (2002) M.Beck, J.Byrne, R.U.Khafizov, V.Yu.Kozlov, Yu.A.Mostovoi, O.V.Rozhnov, N.Severijns, V.A.Solovei The Upper Limit of the Branching Ratio for Radiative Beta Decay of Free Neutrons RADIOACTIVITY 1n(β-); measured radiative decay mode branching ratio upper limit.
doi: 10.1134/1.1525031
2002BY02 J.Phys.(London) G28, 1325 (2002) J.Byrne, P.G.Dawber, M.G.D.van der Grinten, C.G.Habeck, F.Shaikh, J.A.Spain, R.D.Scott, C.A.Baker, K.Green, O.Zimmer Determination of the Electron-Antineutrino Angular Correlation Coefficient a0 and the Parameter |l| = |GA/GV| in Free Neutron β-Decay from Measurements of the Integrated Energy Spectrum of Recoil Protons Stored in an Ion Trap RADIOACTIVITY 1n(β-); measured recoil proton spectra; deduced electron-antineutrino angular correlation coefficient. Cryogenic ion trap.
doi: 10.1088/0954-3899/28/6/314
2001BY03 Europhys.Lett. 56, 633 (2001) Two-Body Decay of the Neutron: A possible test for the existence of right-handed weak currents RADIOACTIVITY 1n(β-); calculated hyperfine levels for two-body decay to neutrino plus hydrogen atom, effects of right-handed weak currents.
doi: 10.1209/epl/i2001-00567-2
2000DA01 Nucl.Instrum.Methods Phys.Res. A440, 543 (2000) P.G.Dawber, J.Byrne, M.G.D.van der Grinten, C.Habeck, F.Shaikh, J.A.Spain, C.A.Baker, K.Green, R.D.Scott, O.Zimmer Determination of the Electron-Antineutrino Correlation Coefficient a in Neutron β-Decay by Measurement of the Integrated Proton Spectrum RADIOACTIVITY 1n(β-); measured proton spectra following decay. Method for determining electron-antineutrino correlation coefficient discussed.
doi: 10.1016/S0168-9002(99)01034-7
2000ZI02 Nucl.Instrum.Methods Phys.Res. A440, 548 (2000) O.Zimmer, J.Byrne, M.G.D.van der Grinten, W.Heil, F.Gluck ' aspect ' - A New Spectrometer for the Measurement of the Angular Correlation Coefficient a in Neutron Beta Decay
doi: 10.1016/S0168-9002(99)01035-9
1996BY03 Europhys.Lett. 33, 187 (1996) J.Byrne, P.G.Dawber, C.G.Habeck, S.J.Smidt, J.A.Spain, A.P.Williams A Revised Value for the Neutron Lifetime Measured using a Penning Trap RADIOACTIVITY 1n(β-); measured T1/2. Penning trap measurement.
doi: 10.1209/epl/i1996-00319-x
1995BY02 Phys.Scr. T59, 311 (1995) On the Neutron Lifetime and the Weak Coupling Constants RADIOACTIVITY 1n(β-); compiled, reviewed proton spectra T1/2, data; deduced weak coupling constants implications.
doi: 10.1088/0031-8949/1995/T59/043
1994BY03 Nucl.Instrum.Methods Phys.Res. A349, 454 (1994) An New Method for Determining the Electron-Antineutrino Angular Correlation Coefficient a in Neutron Beta Decay from the Spectrum of Recoil Protons Stored in a Charged Particle Trap RADIOACTIVITY 1n(β-); analyzed, simulated proton 1D-, 3D-spectra; deduced new method to determine βν(θ) coefficient. Recoil protons stored in charged particle trap.
doi: 10.1016/0168-9002(94)91210-6
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
1984HE08 Phys.Rev. C29, 2389 (1984) B.Heckel, M.Forte, O.Schaerpf, K.Green, G.L.Greene, N.F.Ramsey, J.Byrne, J.M.Pendlebury Measurement of Parity Nonconserving Neutron Spin Rotation in Lanthanum NUCLEAR REACTIONS 139La(n, n), E=0.002 eV; measured neutron polarization vector; deduced parity violating scattering amplitude component. 140La deduced resonance role in enhanced parity mixing.
doi: 10.1103/PhysRevC.29.2389
1984HE11 J.Phys.(Paris), Colloq.C3, 89 (1984) B.Heckel, M.Forte, N.F.Ramsey, G.L.Greene, K.Green, J.Byrne, J.M.Pendlebury Parity Non-Conserving Neutron Spin Rotation NUCLEAR REACTIONS 139La(polarized n, n), E=low; measured neutron rotation angle, parity nonconserving component; deduced neutron-nucleus weak interaction strength.
1984PE04 Phys.Lett. 136B, 327 (1984) J.M.Pendlebury, K.F.Smith, R.Golub, J.Byrne, T.J.L.McComb, T.J.Sumner, S.M.Burnett, A.R.Taylor, B.Heckel, N.F.Ramsey, K.Green, J.Morse, A.I.Kilvington, C.A.Baker, S.A.Clark, W.Mampe, P.Ageron, P.C.Miranda Search for a Neutron Electric Dipole Moment NUCLEAR MOMENTS 1n; measured NMR; deduced electric dipole moment. Ultra-cold polarized neutrons.
doi: 10.1016/0370-2693(84)92013-6
1983BL14 J.Phys.(London) B16, 4565 (1983) S.J.Blakeway, W.Gelletly, H.R.Faust, K.Schreckenbach, J.Byrne Measurements of the Transverse Polarization of K-Shell Photoelectron Produced by Unpolarised 334 and 439 keV Photons in Thorium ATOMIC PHYSICS Th(γ, e), E=339, 439 keV; measured transverse photoelectron polarization; deduced nonzero correlation coefficient.
doi: 10.1088/0022-3700/16/24/013
1982HE10 Phys.Lett. 119B, 298 (1982) B.Heckel, N.F.Ramsey, K.Green, G.L.Greene, R.Gahler, O.Schaerpf, M.Forte, W.Dress, P.D.Miller, R.Golub, J.Byrne, J.M.Pendlebury A Measurement of Parity Non-Conserving Neutron Spin Rotation in Lead and Tin NUCLEAR REACTIONS Pb, Sn(polarized n, n), E ≤ 0.001 eV; measured parity nonconserving spin rotation parameter; deduced possible p-wave, structure effects.
doi: 10.1016/0370-2693(82)90674-8
1980BY01 Phys.Lett. 92B, 274 (1980) J.Byrne, J.Morse, K.F.Smith, F.Shaikh, K.Green, G.L.Greene A New Measurement of the Neutron Lifetime RADIOACTIVITY 1n; measured Ep, Ip; deduced T1/2. Electromagnetic trap storage of protons.
doi: 10.1016/0370-2693(80)90262-2
1980RI07 Z.Phys. A298, 301 (1980) Determination of β-Particle Longitudinal Polarization in the Decay of 210Bi RADIOACTIVITY 210Bi; measured β-longitudinal polarization. Double focussing crossed field polarimeter. Conserved vector current hypothesis test.
doi: 10.1007/BF01425161
1980SA11 J.Phys.(London) G6, 525 (1980) Determination of K-Shell Capture Fractions in the Decay of 195Au RADIOACTIVITY 195Au; measured γ(K X-ray)-, ce(K X-ray)-, (K X-ray)(K X-ray)-coin; deduced Q(ϵ), K-shell capture fractions. 195Pt levels deduced K-shell capture probability.NaI(Tl), Si(Li), Si surface-barrier detectors.
doi: 10.1088/0305-4616/6/4/020
1971BE01 Nucl.Phys. A161, 650 (1971) Angular Distributions and Energy Spectra of Internal Bremsstrahlung Emitted during Beta Decay of 32P, 90Y, 204Tl and 210Bi RADIOACTIVITY 32P, 90Y, 204Tl, 210Bi; measured internal bremsstrahlung (IB) spectra, (β)(IB)-coin, (β)(IB)(θ).
doi: 10.1016/0375-9474(71)90393-9
1970BY01 J.Phys.B 3, 1166 (1970) J.Byrne, R.J.D.Beattie, S.Benda, I.Collingwood L-Shell Fluorescence in 238Pu RADIOACTIVITY 242Cm; measured Eα, Iα, αXl-, αγ-coin. 243,244Cm, 238Pu, 241Am; measured Eα, Iα, αγ-coin. 238Pu deduced L-shell fluorescence yield.
1970BY02 Contemp.Phys. 11, 359 (1970) The Radioactivity of Free Neutrons
doi: 10.1080/00107517008204412
1970KY01 Nucl.Phys. A150, 143 (1970) J.Kyles, J.C.McGeorge, F.Shaikh, J.Byrne Investigation of the Decay 73As → 73Ge RADIOACTIVITY 73As; measured I(X-ray), Iγ, Xce-, XX-, Xγ-delay; deduced K-capture fraction. 73Ge levels deduced T1/2, K/L ratio, ICC, γ-multipolarity. Ge deduced K-shell fluorescence yield.
doi: 10.1016/0375-9474(70)90463-X
1968BY01 Phys.Rev. 170, 80 (1968) J.Byrne, W.Gelletly, M.A.S.Ross, F.Shaikh L2-Subshell Yield Measurements in Pu240, U236, and U234 RADIOACTIVITY 244Cm, 240,238Pu; measured αx-coin, L-subshell yields in decay to 240Pu, 236,234U.
doi: 10.1103/PhysRev.170.80
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