NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = R.Lewis Found 77 matches. 2023CR03 Nucl.Instrum.Methods Phys.Res. A1055, 168525 (2023) B.P.Crider, C.J.Prokop, S.N.Liddick, H.M.Albers, M.Alshudifat, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, A.C.Dombos, S.Go, R.Grzywacz, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, D.Seweryniak, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu New method for level-lifetime measurements with thick scintillators NUCLEAR REACTIONS 9Be(76Ge, X)68Ni/68Zn/69Ni/70Ni, E=140 MeV/nucleon; measured reaction products, Eγ, Iγ, Eβ, Iβ, βγ-coin.; deduced γ-ray energies, level T1/2. Comparison with available data. The National Superconducting Cyclotron Laboratory (NSCL), the coupled cyclotron facility.
doi: 10.1016/j.nima.2023.168525
2023LE04 Eur.Phys.J. A 59, 42 (2023) R.Lewis, A.Couture, S.N.Liddick, A.Spyrou, D.L.Bleuel, L.Crespo Campo, B.P.Crider, A.C.Dombos, M.Guttormsen, T.Kawano, A.C.Larsen, A.M.Lewis, S.Mosby, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem Statistical (n, γ) cross section model comparison for short-lived nuclei NUCLEAR REACTIONS 73Zn(n, γ), E<1 MeV; calculated σ using TALYS, EMPIRE, and CoH, level densities, γ-ray strength function. Comparison with experimental data.
doi: 10.1140/epja/s10050-023-00920-0
2023LU07 Phys.Rev. C 108, 014329 (2023) R.S.Lubna, S.N.Liddick, T.H.Ogunbeku, A.Chester, J.M.Allmond, S.Bhattacharya, C.M.Campbell, M.P.Carpenter, K.L.Childers, P.Chowdhury, J.Christie, B.R.Clark, R.M.Clark, I.Cox, H.L.Crawford, B.P.Crider, A.A.Doetsch, P.Fallon, A.Frotscher, T.Gaballah, T.J.Gray, R.Grzywacz, J.T.Harke, A.C.Hartley, R.Jain, T.T.King, N.Kitamura, K.Kolos, F.G.Kondev, E.Lamere, R.Lewis, B.Longfellow, S.Lyons, S.Luitel, M.Madurga, R.Mahajan, M.J.Mogannam, C.Morse, S.K.Neupane, W.-J.Ong, D.Perez-Loureiro, C.Porzio, C.J.Prokop, A.L.Richard, E.K.Ronning, E.Rubino, K.Rykaczewski, D.Seweryniak, K.Siegl, U.Silwal, M.Singh, D.P.Siwakoti, D.C.Smith, M.K.Smith, S.L.Tabor, T.L.Tang, V.Tripathi, A.Volya, T.Wheeler, Y.Xiao, Z.Xu β decay of 36Mg and 36Al: Identification of a β-decaying isomer in 36Al RADIOACTIVITY 36Mg, 36Al(β-)[from 9Be(48Ca, X), E=140 MeV/nucleon for experiment at NSCL and 9Be(48Ca, X), E=172.3 MeV/nucleon for experiment at FRIB]; 36Al, 36mAl(β-)[from 36Mg(β-); measured Eγ, Iγ; deduced T1/2. 36Al; deduced levels, J, π, newly-observed β-decaying isomer, T1/2 of the isomer. 36Si; deduced levels, J, π. Comparison to shell model calculations performed with the FSU interaction using code CoSMo. For experiment at NSCL - CeBr3 based implantation detector with position-sensitive photomultiplier tube was surrounded by 16 segmented germanium detectors (SeGa) and 15 LaBr3 detectors. For experiment at FRIB - YSO scintillator based implantation detector segmented into 48x48 pixels was surrounded by 11 HPGe clover detectors and LaBr3 detectors from one side and the neutron detector array VANDLE from the other side.
doi: 10.1103/PhysRevC.108.014329
2023OG04 Phys.Rev. C 108, 034304 (2023) T.H.Ogunbeku, B.P.Crider, S.N.Liddick, B.A.Brown, A.Chester, K.L.Childers, P.Chowdhury, E.Lamere, R.Lewis, B.Longfellow, R.S.Lubna, S.Lyons, S.K.Neupane, D.Perez-Loureiro, C.J.Prokop, A.L.Richard, U.Silwal, D.P.Siwakoti, D.C.Smith, M.K.Smith, Y.Xiao First half-life measurement of a low-lying isomer in 37Si
doi: 10.1103/PhysRevC.108.034304
2022NA07 Nucl.Phys. A1018, 122359 (2022) F.Naqvi, S.Karampagia, A.Spyrou, S.N.Liddick, A.C.Dombos, D.L.Bleuel, B.A.Brown, L.Crespo Campo, A.Couture, B.Crider, T.Ginter, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, G.Perdikakis, C.Prokop, T.Renstrom, S.Siem Total absorption spectroscopy measurement on neutron-rich 74, 75Cu isotopes RADIOACTIVITY 74,75Cu(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2, cumulative β-decay intensities, B(GT). Comparison with available data.
doi: 10.1016/j.nuclphysa.2021.122359
2022SH22 Nucl.Instrum.Methods Phys.Res. A1035, 166789 (2022) O.A.Shehu, B.P.Crider, T.Ginter, C.R.Hoffman, T.H.Ogunbeku, Y.Xiao, K.L.Childers, P.Chowdhury, C.Fry, E.Lamere, R.Lewis, S.N.Liddick, B.Longfellow, S.Lyons, S.K.Neupane, D.Perez-Loureiro, C.J.Prokop, A.L.Richard, U.Silwal, D.P.Siwakoti, D.C.Smith, M.K.Smith Experimental study of the 34mCl beam production at intermediate energies RADIOACTIVITY 34Cl(IT), (EC) [from 9Be(36Ar, X), E=150 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, the beam production rates and isomeric state composition. The National Superconducting Cyclotron Laboratory (NSCL).
doi: 10.1016/j.nima.2022.166789
2022WA34 Phys.Rev. C 106, 044317 (2022) S.Waniganeththi, D.E.M.Hoff, A.M.Rogers, C.J.Lister, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, Z.Meisel, C.Morse, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi Establishing the ground-state spin of 71Kr RADIOACTIVITY 71Kr(EC), (β+), (β+p) [from 9Be(92Mo, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 fragment separator and a Radio Frequency Fragment Separator (RFFS) at the NSCL-MSU facility]; measured particle identification plot of implanted ions, Eγ, Iγ, E(p), I(p), (implants)β-coin, (implants)(β-delayed protons)-coin, (implants)γγ-coin, (implants)βγ-coin, T1/2 of decay of 71Kr; deduced absolute number of βγ-coin events, β events, absolute γ intensities, and intensities of β-delayed protons, logft for ground-state to ground-state superallowed β transition using SeGA array with 16 HPGe detectors for γ detection, and double-sided silicon-strip detector (DSSSDs) for particle detection. 71Kr; deduced Jπ and T1/2 of the ground state, decay branching ratios. 70Br; deduced T1/2 of the 0+ g.s. and 9+ isomer. 71Br, 70Se; deduced levels, J, π, β feedings, logft, I(p) feedings. Discussed structure of 71Kr and 71Br mirror nuclei. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.106.044317
2021PE08 Phys.Rev. C 103, 055808 (2021) C.F.Persch, P.A.DeYoung, S.Lyons, A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, J.Gombas, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, J.Engel, M.Guttormsen, A.C.Larsen, R.Lewis, S.Karampagia, S.Mosby, E.M.Ney, A.Palmisano, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, M.K.Smith, S.J.Quinn β-decay feeding intensity distributions of 71, 73Ni RADIOACTIVITY 71,73Ni(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 fragment separator at NSCL-MSU facility]; measured implantation events and β particles using position-sensitive, double-sided, silicon-strip detector (DSSD), and two silicon PIN detectors for TOF and energy loss, Eγ, Iγ, half-lives of decays of 71,73Ni using a total absorption summing NaI(Tl) detector (SuN) surrounding the DSSD; deduced multiplicity spectra, Iβ(E) feedings, B(GT). GEANT4 and DICEBOX analysis of total absorption spectrum (TAS). Comparison with QRPA, and shell-model calculations, the latter using NuShellX@MSU code with JJ44B and JUN45 interaction Hamiltonians. Relevance to improvement in the nuclear input for r-process calculations. NUCLEAR REACTIONS 9Be(86Kr, X)71Ni/73Ni/71Cu/73Cu/, E=140 MeV/nucleon; measured yields of reaction products using A1900 fragment separator and two silicon PIN detectors for TOF and energy loss at NSCL-MSU facility.
doi: 10.1103/PhysRevC.103.055808
2020HO06 Nature(London) 580, 52 (2020) D.E.M.Hoff, A.M.Rogers, S.M.Wang, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, C.J.Lister, Z.Meisel, C.Morse, W.Nazarewicz, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi, S.Waniganeththi Mirror-symmetry violation in bound nuclear ground states RADIOACTIVITY 73Sr(β+p), (β+), (EC) [from Be(92Mo, X), E=140 MeV/nucleon]; measured decay products, Eβ, Iβ, Ep, Ip; deduced T1/2, γ-ray energies, level scheme, J, π, branching ratios, isobaric-analogue state (IAS), log ft. Comparison with calculations, available data.
doi: 10.1038/s41586-020-2123-1
2020HO17 Phys.Rev. C 102, 045810 (2020) D.E.M.Hoff, A.M.Rogers, Z.Meisel, P.C.Bender, K.Brandenburg, K.Childers, J.A.Clark, A.C.Dombos, E.R.Doucet, S.Jin, R.Lewis, S.N.Liddick, C.J.Lister, C.Morse, H.Schatz, K.Schmidt, D.Soltesz, S.K.Subedi, S.M.Wang, S.Waniganeththi Influence of 73Rb on the ashes of accreting neutron stars RADIOACTIVITY 73Sr(β+), (β+p)[from 9Be(92Mo, X), E=140 MeV/nucleon, followed by the separation and purification of 73Sr beam by A1900 and radiofrequency fragment separators at NSCL-MSU, and implanted in double-sided silicon strip detector]; measured Ep, Ip. 73Rb; deduced energy of the isobaric analogue state (IAS), J, π, isospin, S(p), β++ϵ feedings and logft for transitions to the 3/2- g.s. and the IAS, influence of 73Rb S(p) on x-ray bursts, and impact on the products of the rp process. Bayesian analysis of beta-delayed proton spectrum. ATOMIC MASSES 73Rb, 73Sr; analyzed mass excesses by IMME analysis for A=73 isobars of 73Sr, 73Rb, 73Kr and 73Br; deduced mass excesses for 73Rb and 73Sr, and S(p) for 73Rb. Comparison with data in AME2016.
doi: 10.1103/PhysRevC.102.045810
2020ON01 Phys.Rev.Lett. 125, 262701 (2020) W.-J.Ong, E.F.Brown, J.Browne, S.Ahn, K.Childers, B.P.Crider, A.C.Dombos, S.S.Gupta, G.W.Hitt, C.Langer, R.Lewis, S.N.Liddick, S.Lyons, Z.Meisel, P.Moller, F.Montes, F.Naqvi, J.Pereira, C.Prokop, D.Richman, H.Schatz, K.Schmidt, A.Spyrou β Decay of 61V and its Role in Cooling Accreted Neutron Star Crusts RADIOACTIVITY 61V(β-), (β-n) [from 9Be(82Se, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ, En, In; deduced branching for β-delayed neutron emission, β-feeding intensities, B(GT) strengths, log ft.
doi: 10.1103/PhysRevLett.125.262701
2019LE05 Phys.Rev. C 99, 034601 (2019) R.Lewis, S.N.Liddick, A.C.Larsen, A.Spyrou, D.L.Bleuel, A.Couture, L.Crespo Campo, B.P.Crider, A.C.Dombos, M.Guttormsen, S.Mosby, F.Naqvi, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem Experimental constraints on the 73Zn(n, γ)74Zn reaction rate RADIOACTIVITY 74Cu(β-)[74Cu ions from Be(86Kr, X), E=140 MeV/nucleon reaction and using A1900 separator at NSCL-MSU facility]; measured β particles, Eγ, Iγ, βγ-coin, half-life of 74Cu decay using the Summing NaI detector for total absorption spectroscopy (TAS); deduced nuclear level density (NLD), and γ strength function (γSF) using the β-Oslo method, distribution of spins for levels in 74Zn around S(n). Comparison with previous experimental results, and with theoretical calculations using TALYS code. Results used to deduce σ for 73Zn(n, γ) reaction. NUCLEAR REACTIONS 73Zn(n, γ), E=0.01-1 MeV; deduced σ(E), and astrophysical reaction rates using the experimental NLD and γSF. Comparison with Hauser-Feshbach statistical model calculations using TALYS code.
doi: 10.1103/PhysRevC.99.034601
2019LI35 Phys.Rev. C 100, 024624 (2019) S.N.Liddick, A.C.Larsen, M.Guttormsen, A.Spyrou, B.P.Crider, F.Naqvi, J.E.Midtbo, F.L.Bello Garrote, D.L.Bleuel, L.Crespo Campo, A.Couture, A.C.Dombos, F.Giacoppo, A.Gorgen, K.Hadynska-Klek, T.W.Hagen, V.W.Ingeberg, B.V.Kheswa, R.Lewis, S.Mosby, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, G.M.Tveten, M.Wiedeking, F.Zeiser Benchmarking the extraction of statistical neutron capture cross sections on short-lived nuclei for applications using the β-Oslo method RADIOACTIVITY 51Sc(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin; deduced level density, γ-strength function. Measurement was performed at NSCL using the Summing NaI(Tl) detector SuN, used as a TAS. NUCLEAR REACTIONS 50Ti(d, p)51Ti, E=12.5 MeV; measured Ep, Ip, Eγ, Iγ, γp-coin; deduced nuclear level density (NLD), γ strength function (γSF). Measurement was performed at the Oslo Cyclotron Laboratory, Sweden using the CACTUS NaI scintillator array.
doi: 10.1103/PhysRevC.100.024624
2019LY02 Phys.Rev. C 100, 025806 (2019) S.Lyons, A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, J.Engel, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, M.R.Mumpower, E.M.Ney, A.Palmisano, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, M.K.Smith, S.J.Quinn 69, 71Co β-decay strength distributions from total absorption spectroscopy RADIOACTIVITY 69,71Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon, followed by in flight separation of fragments by the A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, Eβ, βγ-coin, half-lives of decays of 69,71Co decays, total absorption spectra using Summing NaI(Tl) (SuN) detector for γ rays and double-sided silicon strip detector (DSSD) for β; deduced cumulative Iβ distributions and compared to QRPA and Skyrme QRPA calculations, Gamow-Teller (GT) strength distribution. Comparison of decay half-lives with ENSDF values, and theoretical calculations using shell mode, QRPA and Skyrme QRPA. Relevance to r process in nucleosynthesis.
doi: 10.1103/PhysRevC.100.025806
2018LA07 Phys.Rev. C 97, 054329 (2018) A.C.Larsen, J.E.Midtbo, M.Guttormsen, T.Renstrom, S.N.Liddick, A.Spyrou, S.Karampagia, B.A.Brown, O.Achakovskiy, S.Kamerdzhiev, D.L.Bleuel, A.Couture, L.Crespo Campo, B.P.Crider, A.C.Dombos, R.Lewis, S.Mosby, F.Naqvi, G.Perdikakis, C.J.Prokop, S.J.Quinn, S.Siem Enhanced low-energy γ-decay strength of 70Ni and its robustness within the shell model RADIOACTIVITY 70Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon followed by fragment separation using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, summed γ energies, β-γ-coin using double-sided silicon strip detector (DSSD) for electrons placed in the center of the Summing NaI (SuN) total absorption spectrometer for γ radiation. 70Ni; deduced nuclear level density (NLD) and γ-strength function (γSF) using β-Oslo method. Comparison with previous experimental results, and with HFB+c calculations. NUCLEAR STRUCTURE 70Ni; calculated levels, J, π, B(E2), level densities, γSF, summed γSF, and M1 γ strengths for A=56-76 Ni isotopes. Quasiparticle time-blocking approximation and large-scale shell-model calculations with CA48MH1G and JUN45 interactions. Comparison with experimental results.
doi: 10.1103/PhysRevC.97.054329
2017SP03 J.Phys.(London) G44, 044002 (2017) A.Spyrou, A.C.Larsen, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, M.Guttormsen, D.L.Bleuel, A.Couture, L.Crespo Campo, R.Lewis, S.Mosby, M.R.Mumpower, G.Perdikakis, C.J.Prokop, S.J.Quinn, T.Renstrom, S.Siem, R.Surman Neutron-capture rates for explosive nucleosynthesis: the case of 68Ni(n, γ)69Ni RADIOACTIVITY 69Co(β-); measured decay products, Eγ, Iγ; deduced the γ-ray strength function and the nuclear level density, T1/2. Comparison with available data.
doi: 10.1088/1361-6471/aa5ae7
2016CR05 Phys.Lett. B 763, 108 (2016) B.P.Crider, C.J.Prokop, S.N.Liddick, M.Al-Shudifat, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, H.M.David, A.C.Dombos, S.Go, R.Grzywacz, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu Shape coexistence from lifetime and branching-ratio measurements in 68, 70Ni RADIOACTIVITY 70Co, 68Fe, 68Co(β-) [from 9Be(76Ge, X)70Co/68Fe]; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, T1/2, branching ratios, B(E2).
doi: 10.1016/j.physletb.2016.10.020
2016LI30 Phys.Rev.Lett. 116, 242502 (2016) S.N.Liddick, A.Spyrou, B.P.Crider, F.Naqvi, A.C.Larsen, M.Guttormsen, M.Mumpower, R.Surman, G.Perdikakis, D.L.Bleuel, A.Couture, L.C.Campo, A.C.Dombos, R.Lewis, S.Mosby, S.Nikas, C.J.Prokop, T.Renstrom, B.Rubio, S.Siem, S.J.Quinn Experimental Neutron Capture Rate Constraint Far from Stability RADIOACTIVITY 70Co(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced nuclear level density as a function of excitation energy. Comparison with available data. NUCLEAR REACTIONS 69Ni(n, γ), E<10 GK; calculated nuclear reaction capture rates using experimental level densities and code TALYS.
doi: 10.1103/PhysRevLett.116.242502
2016SP04 Phys.Rev.Lett. 117, 142701 (2016) A.Spyrou, S.N.Liddick, F.Naqvi, B.P.Crider, A.C.Dombos, D.L.Bleuel, B.A.Brown, A.Couture, L.Crespo Campo, M.Guttormsen, A.C.Larsen, R.Lewis, P.Moller, S.Mosby, M.R.Mumpower, G.Perdikakis, C.J.Prokop, T.Renstrom, S.Siem, S.J.Quinn, S.Valenta Strong Neutron-γ Competition above the Neutron Threshold in the Decay of 70Co RADIOACTIVITY 70Co(β-) [9Be(86Kr, X)70Co, E=140 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced β-decay intensity, the large fragmentation of the β intensity at high energies, as well as the strong competition between γ-rays and neutrons. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.117.142701
2015HO07 J.Radioanal.Nucl.Chem. 305, 267 (2015) J.J.Horkley, K.P.Carney, E.M.Gantz, J.E.Davies, R.R.Lewis, J.P.Crow, C.A.Poole, T.S.Grimes, J.J.Giglio Production of highly-enriched 134Ba for a reference material for isotope dilution mass spectrometry measurements
doi: 10.1007/s10967-015-4047-z
2015PR10 Phys.Rev. C 92, 061302 (2015) C.J.Prokop, B.P.Crider, S.N.Liddick, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, H.M.David, A.C.Dombos, S.Go, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, D.Seweryniak, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu New low-energy 0+ state and shape coexistence in 70Ni RADIOACTIVITY 70,70mCo(β-)[from 9Be(76Ge, X), E=130 MeV/nucleon using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, βγγ-, γγ-coin, level half-life by βγ(t) using SeGA array and silicon PIN detectors. 70Ni; deduced levels, J, π, energy and half-life of excited (0+) state, configuration. Comparison with Monte Carlo shell-model calculations with A3DA interaction. 68Co, 69Ni, 70Zn; observed γ rays from decay of contaminants.
doi: 10.1103/PhysRevC.92.061302
2009DE33 Phys.Rev. C 80, 035806 (2009) C.M.Deibel, J.A.Clark, R.Lewis, A.Parikh, P.D.Parker, C.Wrede Toward an experimentally determined 26Alm(p, γ)27Si reaction rate in ONe novae NUCLEAR REACTIONS 27Al(3He, t), E=25 MeV; 28Si(3He, α), E=17.5 MeV; measured Et, It, Eα, Iα, Ep, Ip, αp-coin, αp(θ). 27Si; deduced levels, angular momentum transfer, proton branching ratios from resonances. 26Al; deduced levels and feedings from proton decay of unbound states in 27Si. Deduced reaction rates for 26mAl(p, γ) reaction as a function of stellar temperature.
doi: 10.1103/PhysRevC.80.035806
2009HE10 Astrophys.J. 701, 1415 (2009) P.R.Heck, S.Amari, P.Hoppe, H.Baur, R.S.Lewis, R.Wieler Ne Isotopes in Individual Presolar Graphite Grains from the Murchison Meteorite Together with He, C, O, Mg-Al Isotopic Analyses as Tracers of Their Origins
doi: 10.1088/0004-637X/701/2/1415
2009MU07 Phys.Rev. C 79, 058801 (2009) A.St.J.Murphy, A.M.Laird, C.Angulo, L.Buchmann, T.Davinson, P.Descouvemont, S.P.Fox, J.Jose, R.Lewis, C.Ruiz, K.Vaughan, P.Walden Simultaneous measurement of the 18F(p, p)18F and 18F(p, α)15O reactions: Implications for the level structure of 19Ne, and for 18F production in novae NUCLEAR REACTIONS 1H(18F, α), (18F, p), E=1.750 MeV/nucleon; measured particle spectra, σ. 19Ne; deduced levels, J, π, resonances, α widths, proton widths. R-matrix analysis. 18F(p, α)15O; deduced reaction rates.
doi: 10.1103/PhysRevC.79.058801
2008VI06 Phys.Rev. C 78, 028802 (2008) D.W.Visser, C.Wrede, J.A.Caggiano, J.A.Clark, C.M.Deibel, R.Lewis, A.Parikh, P.D.Parker Addendum to "Measurement of 23Mg(p, γ)24Al resonance energies" NUCLEAR REACTIONS 23Mg(p, γ), E not given; analyzed resonance energies. 24Al; deduced levels, J, resonances.
doi: 10.1103/PhysRevC.78.028802
2007AB20 Eur.Phys.J. A 31, 773 (2007) A.M.Abdel-Rehim, R.Lewis, R.M.Woloshyn, J.M.S.Wu Lattice QCD with a twisted mass term and a strange quark
doi: 10.1140/epja/i2006-10245-y
2007LE33 Eur.Phys.J. A 32, 409 (2007) Isospin breaking in the vector current of the nucleon
doi: 10.1140/epja/i2006-10401-5
2007VI13 Phys.Rev.Lett. 99, 112002 (2007) M.Viviani, R.Schiavilla, B.Kubis, R.Lewis, L.Girlanda, A.Kievsky, L.E.Marcucci, S.Rosati Isospin Mixing in the Nucleon and 4He and the Nucleon Strange Electric Form Factor NUCLEAR STRUCTURE 4He; calculated isospin breaking corrections needed to isolate the contribution of nucleon strange electric form factor to the parity violating assymetry measured in polarized electron scattering.
doi: 10.1103/PhysRevLett.99.112002
2007VI16 Phys.Rev. C 76, 065803 (2007) D.W.Visser, C.Wrede, J.A.Caggiano, J.A.Clark, C.Deibel, R.Lewis, A.Parikh, P.D.Parker Measurement of 23Mg(p, γ)24Al resonance energies NUCLEAR REACTIONS 24Mg(3He, t), E=30 MeV/nucleon; measured triton spectra, angular distributions. 24Al; deduced resonance energies, reaction rates. 23Mg(p, γ)24Al; resonance parameters.
doi: 10.1103/PhysRevC.76.065803
2007VO06 Phys.Rev. C 76, 035801 (2007) C.Vockenhuber, C.O.Ouellet, L.-S.The, L.Buchmann, J.Caggiano, A.A.Chen, H.Crawford, J.M.D'Auria, B.Davids, L.Fogarty, D.Frekers, A.Hussein, D.A.Hutcheon, W.Kutschera, A.M.Laird, R.Lewis, E.O'Connor, D.Ottewell, M.Paul, M.M.Pavan, J.Pearson, C.Ruiz, G.Ruprecht, M.Trinczek, B.Wales, A.Wallner Measurement of the 40Ca(α, γ)44Ti reaction relevant for supernova nucleosynthesis NUCLEAR REACTIONS 4He(40Ca, γ)44Ti, E=0.60-1.15 MeV/nucleon; measured recoil energies, yields, and cross section.
doi: 10.1103/PhysRevC.76.035801
2006KU12 Phys.Rev. C 74, 015204 (2006) Isospin violation in the vector form factors of the nucleon NUCLEAR STRUCTURE A=1; calculated isospin-breaking vector form factors.
doi: 10.1103/PhysRevC.74.015204
2006RU09 Phys.Rev.Lett. 96, 252501 (2006) C.Ruiz, A.Parikh, J.Jose, L.Buchmann, J.A.Caggiano, A.A.Chen, J.A.Clark, H.Crawford, B.Davids, J.M.D'Auria, C.Davis, C.Deibel, L.Erikson, L.Fogarty, D.Frekers, U.Greife, A.Hussein, D.A.Hutcheon, M.Huyse, C.Jewett, A.M.Laird, R.Lewis, P.Mumby-Croft, A.Olin, D.F.Ottewell, C.V.Ouellet, P.Parker, J.Pearson, G.Ruprecht, M.Trinczek, C.Vockenhuber, C.Wrede Measurement of the Ec.m. = 184 keV Resonance Strength in the 26gAl(p, γ)27Si Reaction NUCLEAR REACTIONS 1H(26Al, γ), E=5.122, 5.226, 5.850 MeV; measured Eγ, (recoil)γ-coin. 26Al(p, γ), E(cm) ≈ 184 keV; deduced resonance strength. Astrophysical implications discussed.
doi: 10.1103/PhysRevLett.96.252501
2005CH30 Nucl.Phys. A752, 510c (2005) A.A.Chen, R.E.Azuma, S.Bishop, L.Buchmann, M.L.Chatterjee, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, C.C.Jewett, J.Jose, J.D.King, A.M.Laird, M.Lamey, R.Lewis, W.Liu, A.Olin, D.Ottewell, P.Parker, J.Rogers, C.Ruiz, M.Trinczek, C.Wrede The 21Na(p, γ)22Mg reaction in novae and x-ray bursts NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 200-1100 keV; measured thick-target yield. 21Na(p, γ), E=low; deduced resonance parameters, astrophysical reaction rate.
doi: 10.1016/j.nuclphysa.2005.02.136
2005CO15 Nucl.Phys. A758, 276c (2005) A.L.Cole, R.N.Boyd, M.E.Davis, L.G.Thompson, A.M.Davis, R.S.Lewis, E.Zinner The Search for Supernova Signatures in an Ice Core
doi: 10.1016/j.nuclphysa.2005.05.047
2005LE30 Nucl.Phys. A758, 84c (2005) R.Lewis, J.Caggiano, A.Parikh, C.Deibel, D.Visser, K.Fear, P.Parker, W.R.Hix 26Alg, m + p resonances studied via proton decays of 27Si NUCLEAR REACTIONS 27Al(3He, t), E=25 MeV; measured Ep following residual nucleus decay to ground and metastable states. 27Si deduced resonance energy. Astrophysical implications discussed.
doi: 10.1016/j.nuclphysa.2005.05.166
2005PA31 Phys.Rev. C 71, 055804 (2005) A.Parikh, J.A.Caggiano, C.Deibel, J.P.Greene, R.Lewis, P.D.Parker, C.Wrede Mass measurements of 22Mg and 26Si via the 24Mg(p, t)22Mg and 28Si(p, t)26Si reactions NUCLEAR REACTIONS 24Mg, 28Si(p, t), E=33 MeV; measured triton spectra; deduced reaction Q-values. 22Mg, 26Si deduced mass excesses.
doi: 10.1103/PhysRevC.71.055804
2005TR11 Nucl.Phys. A758, 729c (2005) M.Trinczek, C.C.Jewett, J.M.D'Auria, S.Bishop, L.Buchmann, A.A.Chen, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, J.Jose, A.M.Laird, M.Lamey, R.Lewis, A.Olin, D.Ottewell, P.Parker, M.M.Pavan, J.E.Pearson, J.Rogers, C.Ruiz, C.Wrede Direct Measurement of the 21Na(p, γ)22Mg Reaction: Resonance Strengths and Gamma-Gamma Analysis NUCLEAR REACTIONS 1H(21Na, γ), E(cm)=200-1135 keV; measured Eγ, Iγ, γγ-coin. 22Mg deduced levels, J, π, resonance strengths.
doi: 10.1016/j.nuclphysa.2005.05.131
2004DA17 Phys.Rev. C 69, 065803 (2004) J.M.D'Auria, R.E.Azuma, S.Bishop, L.Buchmann, M.L.Chatterjee, A.A.Chen, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, C.C.Jewett, J.Jose, J.D.King, A.M.Laird, M.Lamey, R.Lewis, W.Liu, A.Olin, D.Ottewell, P.Parker, J.Rogers, C.Ruiz, M.Trinczek, C.Wrede The 21Na(p, γ)22Mg reaction from Ec.m. = 200 to 1103 keV in novae and x-ray bursts NUCLEAR REACTIONS 1H(21Na, γ), E(cm)=200-1103 keV; measured Eγ, Iγ, (particle)γ-coin; deduced resonance energies and strengths. 21Na(p, γ), E=low; deduced astrophysical reaction rates.
doi: 10.1103/PhysRevC.69.065803
2004SC16 Phys.Rev.Lett. 92, 162501 (2004); Erratum Phys.Rev.Lett. 110, 169901 (2013) J.P.Schiffer, S.J.Freeman, J.A.Caggiano, C.Deibel, A.Heinz, C.-L.Jiang, R.Lewis, A.Parikh, P.D.Parker, K.E.Rehm, S.Sinha, J.S.Thomas Is the Nuclear Spin-Orbit Interaction Changing with Neutron Excess? NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(α, t), E=40 MeV; measured σ(E, θ). 113,115,117,119,121,123,125Sb levels deduced spectroscopic factors, decrease in nuclear spin-orbit interaction. Nuclides near N=82 also discussed.
doi: 10.1103/PhysRevLett.92.162501
2004VI05 Phys.Rev. C 69, 048801 (2004) D.W.Visser, J.A.Caggiano, R.Lewis, W.B.Handler, A.Parikh, P.D.Parker Particle decay branching ratios for states of astrophysical importance in 19Ne NUCLEAR REACTIONS 19F(3He, t), E=25 MeV; measured triton spectra, Ep, Eα, angular distributions from residual nucleus decay. 19Ne levels deduced proton and α decay branching ratios. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.69.048801
2003AZ05 Nucl.Phys. A718, 119c (2003) R.E.Azuma, S.Bishop, L.Buchmann, M.L.Chatterjee, A.A.Chen, J.M.D'Auria, T.Davinson, S.Engel, B.R.Fulton, D.Gigliotti, U.Greife, D.Groombridge, D.Hunter, A.Hussein, D.Hutcheon, C.Jewett, J.D.King, N.Khan, S.Kubono, A.M.Laird, M.Lamey, R.Lewis, L.Ling, W.Liu, S.Michimasa, A.S.Murphy, A.Olin, D.Ottewell, P.Parker, J.Pearson, I.Roberts, A.Robinson, J.G.Rogers, G.Roy, C.Ruiz, F.Sarazin, A.C.Shotter, H.Sprenger, F.Strieder, P.Walden, P.J.Woods, C.Wrede Results of 21Na + p Experiments at ISAC NUCLEAR REACTIONS 1H(21Na, 21Na), E=0.45-1.4 MeV; measured recoil proton spectra; deduced excitation function. 1H(21Na, γ), E=220, 855 keV/nucleon; measured Eγ, (particle)γ-coin. 22Mg deduced resonance features.
doi: 10.1016/S0375-9474(03)00688-2
2003BI03 Phys.Rev.Lett. 90, 162501 (2003); Erratum Phys.Rev.Lett. 90, 229902 (2003) S.Bishop, R.E.Azuma, L.Buchmann, A.A.Chen, M.L.Chatterjee, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, M.Hernanz, D.Hunter, A.Hussein, D.Hutcheon, C.Jewett, J.Jose, J.King, S.Kubono, A.M.Laird, M.Lamey, R.Lewis, W.Liu, S.Michimasa, A.Olin, D.Ottewell, P.D.Parker, J.G.Rogers, F.Strieder, C.Wrede 21Na(p, γ)22Mg Reaction and Oxygen-Neon Novae NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 202-223 keV; measured Eγ, (particle)γ-coin, thick-target yields; deduced resonance energy, width. 21Na(p, γ), E=low; deduced astrophysical reaction rate.
doi: 10.1103/PhysRevLett.90.162501
2003BI08 Nucl.Phys. A718, 263c (2003) S.Bishop, R.Azuma, L.Buchmann, A.A.Chen, M.L.Chatterjee, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, C.Jewett, J.King, S.Kubono, M.Lamey, R.Lewis, W.Liu, S.Michimasa, A.Olin, D.Ottewell, P.D.Parker, J.Rogers, C.Wrede Nuclear Astrophysics Studies at DRAGON: The 21Na(p, γ)22Mg Reaction and Oxygen-Neon Novae NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 202-224 keV; measured thick target yields. 21Na(p, γ), E=low; deduced astrophysical reaction rate. Recoil mass separator.
doi: 10.1016/S0375-9474(03)00726-7
2003EN08 Nucl.Phys. A719, 107c (2003) S.Engel, S.Bishop, L.Buchmann, M.L.Chatterjee, A.Chen, J.M.D'Auria, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, R.Lewis, W.Liu, A.Olin, D.Ottewell, P.Parker, J.Rogers, F.Strieder, C.Wrede Measurements with DRAGON on resonances in the 21Na(p, γ)22Mg reaction with a radioactive ion beam NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 204, 821 keV; measured yields. 21Na(p, γ), E(cm) ≈ 204, 821 keV; deduced resonance strengths.
doi: 10.1016/S0375-9474(03)00976-X
2003LE03 Phys.Rev. D 67, 013003 (2003) R.Lewis, W.Wilcox, R.M.Woloshyn Nucleon's strange electromagnetic and scalar matrix elements NUCLEAR STRUCTURE 1n, 1H; calculated strangeness matrix elements. Quenched lattice QCD, quenched chiral perturbation theory, comparison with data.
doi: 10.1103/PhysRevD.67.013003
2003LE21 Nucl.Phys. B(Proc.Supp.) S119, 404 (2003) R.Lewis, W.Wilcox, R.M.Woloshyn Strange matrix elements of the nucleon NUCLEAR STRUCTURE 1n, 1H; calculated strangeness form factors.
doi: 10.1016/S0920-5632(03)01568-8
2003OL08 Nucl.Phys. A721, 1019c (2003) A.Olin, S.Bishop, L.Buchmann, M.L.Chatterjee, A.Chen, J.M.D'Auria, S.Engel, D.Gigliotti, U.Greife, D.Hunter, A.Hussein, D.Hutcheon, C.Jewett, J.King, S.Kubono, M.Lamey, A.M.Laird, R.Lewis, W.Liu, S.Michimasa, D.Ottewell, P.Parker, J.Rogers, F.Strieder, C.Wrede Nuclear Astrophysics at ISAC with DRAGON: Initial Studies NUCLEAR REACTIONS 1H(21Na, γ), E(cm) ≈ 212, 822 keV/nucleon; measured resonance excitation functions.
doi: 10.1016/S0375-9474(03)01275-2
2002CA24 Phys.Rev. C65, 055801 (2002) J.A.Caggiano, W.Bradfield-Smith, R.Lewis, P.D.Parker, D.W.Visser, J.P.Greene, K.E.Rehm, D.W.Bardayan, A.E.Champagne Identification of New States in 26Si using the 29Si(3He, 6He)26Si Reaction and Consequences for the 25Al(p, γ)26Si Reaction Rate in Explosive Hydrogen Burning Environments NUCLEAR REACTIONS 29Si(3He, 6He), E=51 MeV; measured particle spectra. 26Si deduced levels, J, π. 25Al(p, γ), E=stellar; calculated astrophysical reaction rates.
doi: 10.1103/PhysRevC.65.055801
2002CA36 Phys.Rev. C66, 015804 (2002) J.A.Caggiano, W.Bradfield-Smith, J.P.Greene, R.Lewis, P.D.Parker, K.E.Rehm, D.W.Visser Excitation Energies in 22Mg from the 25Mg(3He, 6He)22Mg Reaction NUCLEAR REACTIONS 25Mg(3He, 6He), E=51 MeV; measured particle spectra. 22Mg deduced level energies. Comparison with previous results.
doi: 10.1103/PhysRevC.66.015804
2001BA49 Phys.Rev. C63, 065802 (2001) D.W.Bardayan, J.C.Blackmon, W.Bradfield-Smith, C.R.Brune, A.E.Champagne, T.Davinson, B.A.Johnson, R.L.Kozub, C.S.Lee, R.Lewis, P.D.Parker, A.C.Shotter, M.S.Smith, D.W.Visser, P.J.Woods Destruction of 18F via 18F(p, α)15O Burning Through the Ec.m. = 665 keV Resonance NUCLEAR REACTIONS 1H(18F, p), (18F, α), E=10-14 MeV; measured particle spectra, σ(θ), σ. 18F(p, α), E(cm)=663 keV; deduced σ. 19Ne deduced resonance energy, width, proton branching ratio. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.63.065802
2001BA59 Nucl.Phys. A688, 475c (2001) D.W.Bardayan, J.C.Blackmon, W.Bradfield-Smith, C.R.Brune, A.E.Champagne, T.Davinson, B.A.Johnson, R.L.Kozub, C.S.Lee, R.Lewis, P.D.Parker, A.C.Shotter, M.S.Smith, D.W.Visser, P.J.Woods Determination of the Properties of the 7.08 MeV State in 19Ne by Measurement of the 1H(18F, p)18F and 1H(18F, α)15O Cross Sections with a Radioactive 18F Beam NUCLEAR REACTIONS 1H(18F, p), (18F, α), E(cm)=500-800 keV; measured σ(θ). 19Ne deduced resonance parameters. Comparison with earlier data.
doi: 10.1016/S0375-9474(01)00760-6
2001CH35 Phys.Rev. C63, 065807 (2001) A.A.Chen, R.Lewis, K.B.Swartz, D.W.Visser, P.D.Parker Structure of 22Mg and Its Implications for Explosive Nucleosynthesis NUCLEAR REACTIONS 12C(16O, 6He), E=90 MeV; measured particle spectra, σ(θ). 22Mg deduced levels, resonances. 18Ne(α, p), E not given; calculated stellar reaction rates.
doi: 10.1103/PhysRevC.63.065807
2001CH43 Nucl.Phys. A688, 146c (2001) A.A.Chen, R.Lewis, K.B.Swartz, D.W.Visser, P.D.Parker The Structure of 22Mg and Its Implications for Explosive Nucleosynthesis NUCLEAR REACTIONS 12C(16O, 6He), E=90 MeV; measured 6He excitation energy spectrum. 18Ne(α, p), E=low; calculated reaction rate at temperatures of astrophysical interest, comparison with previous calculations. 22Mg deduced levels energy.
doi: 10.1016/S0375-9474(01)00687-X
2001FE08 Nucl.Phys. A684, 377c (2001) H.W.Fearing, Th.R.Hemmert, R.Lewis, C.Unkmeir Charged Radiative Pion Capture on the Nucleon in Heavy Baryon Chiral Perturbation Theory NUCLEAR REACTIONS 1H(π-, γ), 1n(π+, γ), E not given; analyzed data; deduced parameters. Heavy baryon chiral perturbation theory.
doi: 10.1016/S0375-9474(01)00399-2
2001VI08 Nucl.Phys. A688, 456c (2001) D.W.Visser, P.D.Parker, W.Bradfield-Smith, R.Lewis Planned Measurement of Particle Branching Ratios of Astrophysically Interesting States in 22Mg
doi: 10.1016/S0375-9474(01)00754-0
2000BA87 Phys.Rev. C62, 042802 (2000) D.W.Bardayan, J.C.Blackmon, W.Bradfield-Smith, C.R.Brune, A.E.Champagne, T.Davinson, B.A.Johnson, R.L.Kozub, C.S.Lee, R.Lewis, P.D.Parker, A.C.Shotter, M.S.Smith, D.W.Visser, P.J.Woods Kinematically Complete Measurement of the 1H(18F, p)18F Excitation Function for the Astrophysically Important 7.08-MeV State in 19Ne NUCLEAR REACTIONS 1H(18F, 18F), E=10-14 MeV; measured proton spectra, yields, (fluorine)(proton)-coin. 19Ne deduced resonance E, Γ. Kinematically complete measurement.
doi: 10.1103/PhysRevC.62.042802
2000FE15 Phys.Rev. C62, 054006 (2000) H.W.Fearing, T.R.Hemmert, R.Lewis, C.Unkmeir Radiative Pion Capture by a Nucleon NUCLEAR REACTIONS 1H(π-, γ), E=10-39 MeV; 1H(γ, π+), E=153 MeV; calculated σ(θ). 1n(γ, π-), 1H(γ, π+), E=threshold; calculated s- and p-wave multipoles. Heavy baryon chiral perturbation theory, comparisons with data.
doi: 10.1103/PhysRevC.62.054006
1999LE04 Phys.Rev. C59, 1211 (1999) Deuteron Stripping as a Probe of the Proton Halo in 17F NUCLEAR REACTIONS 16O(d, n), (d, p), E=8 MeV; analyzed σ(θ); deduced parameters. 17O, 17F deduced radii, halo features.
doi: 10.1103/PhysRevC.59.1211
1999LE08 Phys.Rev. D59, 073002 (1999) Isospin Violation and the Proton's Neutral Weak Magnetic Form Factor NUCLEAR STRUCTURE 1H; calculated neutral weak magnetic form factor, isospin violation effects, resonance contributions. Two-flavor chiral perturbation theory.
doi: 10.1103/PhysRevD.59.073002
1998FE02 Nucl.Phys. A631, 735c (1998) H.W.Fearing, R.Lewis, N.Mobed, S.Scherer Radiative and Non Radiative Muon Capture on the Proton in Heavy Baryon Chiral Perturbation Theory
doi: 10.1016/S0375-9474(98)00101-8
1998NI12 Astrophys.J. 504, 492 (1998) G.K.Nicolussi, M.J.Pellin, R.S.Lewis, A.M.Davis, R.N.Clayton, S.Amari Zirconium and Molybdenum in Individual Circumstellar Graphite Grains: New isotopic data on the nucleosynthesis of heavy elements
doi: 10.1086/306072
1998NI15 Phys.Rev.Lett. 81, 3583 (1998) G.K.Nicolussi, M.J.Pellin, R.S.Lewis, A.M.Davis, R.N.Clayton, S.Amari Strontium Isotopic Composition in Individual Circumstellar Silicon Carbide Grains: A record of s-process nucleosynthesis
doi: 10.1103/PhysRevLett.81.3583
1997FE10 Phys.Rev. D56, 1783 (1997) H.W.Fearing, R.Lewis, N.Mobed, S.Scherer Muon Capture by a Proton in Heavy Baryon Chiral Perturbation Theory NUCLEAR REACTIONS 1H(μ-, n), E not given; calculated form factors. Chiral Perturbation Theory, Ecker-Mojzis Lagrangian.
doi: 10.1103/PhysRevD.56.1783
1996FE05 Yad.Fiz. 59, No 9, 1551 (1996); Phys.Atomic Nuclei 59, 1492 (1996) X.Feng, M.H.Holzscheiter, M.Charlton, F.Cverna, T.Ichioka, N.S.P.King, R.A.Lewis, G.L.Morgan, J.Rochet, Y.Yamazaki Ultralow-Energy Antiprotons for Antihydrogen Spectroscopy and Antimatter Gravity
1994SI30 Z.Phys. A347, 277 (1994) A.A.Sibirtsev, T.A.Armstrong, C.Lam, R.A.Lewis, E.D.Minor, G.A.Smith Fast Deuteron Production from Antiproton Annihilation at Rest on Carbon and Uranium Targets NUCLEAR REACTIONS 12C, 238U(p-bar, d), E at rest; measured deuteron yields up to Ed < 120 MeV following annihilation. Coalescence model.
doi: 10.1007/BF01289795
1993AR03 Phys.Rev. C47, 1957 (1993) T.A.Armstrong, J.P.Bocquet, G.Ericsson, T.Johansson, T.Krogulski, R.A.Lewis, F.Malek, M.Maurel, E.Monnand, J.Mougey, H.Nifenecker, J.Passaneau, P.Perrin, S.M.Polikanov, M.Rey-Campagnolle, C.Ristori, G.A.Smith, G.Tibell Fission of Heavy Hypernuclei Formed in Antiproton Annihilation NUCLEAR REACTIONS 238U(p-bar, X), E at 105 MeV/c; measured hypernuclei yield, fission (fragment)(fragment)-coin; deduced fission hypernuclei T1/2.
doi: 10.1103/PhysRevC.47.1957
1993PR05 Astrophys.J. 410, 393 (1993) C.A.Prombo, F.A.Podosek, S.Amari, R.S.Lewis s-Process Ba Isotopic Compositions in Presolar SiC from the Murchiscon Meteorite
doi: 10.1086/172756
1992AR27 Yad.Fiz. 55, 1568 (1992); Sov.J.Nucl.Phys. 55, 865 (1992) T.Armstrong, D.Bettoni, V.Bharadwaj, C.Biino, G.Borreani, D.Broemmelsiek, A.Buzzo, R.Galabrese, A.Ceccucci, R.Cester, M.Church, P.Dalpiaz, P.F.Dalpiaz, R.Dibenedetto, D.Dimitroyannis, M.Fabbri, J.Fast, E.Ferroni, A.Gianoli, C.M.Ginsburg, K.Gollwitzer, A.Hahn, M.Hasan, S.Hsueh, R.Lewis, E.Luppi, M.Macri, A.M.Majewska, M.Mandelkern, F.Marchetto, M.Marinelli, J.Marques, W.Marsh, M.Martini, M.Masuzawa, E.Minechetti, A.Migliori, R.Mussa, S.Palestini, N.Pastrone, C.Patrignani, J.Peoples, Jr., L.Pesando, R.Petrucci, M.G.Pia, S.Pordes, P.Rapidis, R.Ray, J.Reid, G.Rinaudo, B.Roccuzzo, J.Rosen, A.Santroni, M.Sarmineto, M.Savrie, A.Scalisi, J.Schultz, K.Seth, A.Smith, G.A.Smith, M.Sozzi, S.Trokenheim, M.F.Weber, S.Werkema, Y.Zhang, J.Zhao, G.Zioulas A New Measurement of the Proton Electromagnetic Form Factor in the Time-Like Region at High Energy NUCLEAR REACTIONS 1H(p-bar, e-e+), E not given; measured (e+e-) opening angle σ(θ). 1H deduced electromagnetic form factor.
1992CH12 Phys.Rev. C45, 2332 (1992) B.Chen, T.A.Armstrong, R.A.Lewis, R.Newton, G.A.Smith, J.P.Bocquet, F.Malek, H.Nifenecker, M.Maurel, E.Monnand, P.Perrin, C.Ristori, G.Ericsson, T.Johansson, G.Tibell, M.Rey-Campagnolle, S.Polikanov, T.Krogulski, J.Mougey Neutron Yields and Angular Distributions Produced in Antiproton Annihilation at Rest in Uranium NUCLEAR REACTIONS U(p-bar, F), E at rest; measured fission (fragment)n-coin, neutron yields; deduced fragment neutron emission mechanism.
doi: 10.1103/PhysRevC.45.2332
1991GR22 Phys.Rev. D44, 1945 (1991) N.A.Graf, M.Fero, M.Gee, M.Mandelkern, R.Ray, D.Schultz, J.Schultz, T.Usher, T.A.Armstrong, J.Biard, R.A.Lewis, S.M.Playfer, G.A.Smith, M.J.Soulliere, B.Bassalleck, D.M.Wolfe, P.Denes, G.Buche, L.Burcker, H.Koch, J.Schwertel, A.Angelopoulos, A.Apostolakis, H.Rozaki, L.Sakelliou Search for Narrow States in the Inclusive γ-Ray Spectra Resulting from Antiproton Annihilations at Rest in Liquid Hydrogen and Deuterium NUCLEAR REACTIONS 1H(p-bar, X), E at rest; measured annihilation γ-spectra.
doi: 10.1103/PhysRevD.44.1945
1990MI09 Z.Phys. A336, 461 (1990) E.D.Minor, T.A.Armstrong, R.Bishop, V.Harris, R.A.Lewis, G.A.Smith Charged Pion Spectra and Energy Transfer following Antiproton Annihilation at Rest in Carbon and Uranium NUCLEAR REACTIONS C, U(p-bar, X), E at rest; measured charge pion multiplicities; deduced total energy yield. Intranuclear cascade model.
1988MU13 Phys.Rev. D38, 742 (1988) G.S.Mutchler, J.Clement, J.Kruk, R.Moss, E.Hungerford, T.Kishimoto, B.Mayes, L.Pinsky, L.Tang, Y.Xu, B.Bassalleck, T.Armstrong, K.Hartman, A.Hicks, R.Lewis, W.Lochstet, G.A.Smith, D.Lowenstein, H.Poth, W.von Witsch, M.Furic Measurement of the Imaginary Part of the I = 1 (N-Bar)N S-Wave Scattering Length NUCLEAR REACTIONS 1H(p-bar, n-bar), E at 415 MeV/c; measured n-bar spectra; deduced (p)(n-bar) S-wave scattering length.
doi: 10.1103/PhysRevD.38.742
1965LE25 Trans.Am.Nucl.Soc. 8, 79 (1965) R.E.Lewis, R.E.McHenry, T.A.Butler Half-Life of Cs-137 NUCLEAR STRUCTURE 137Cs; measured not abstracted; deduced nuclear properties.
1959CO92 Phys.Rev.Letters 3, 420 (1959) F.D.Colegrove, P.A.Franken, R.R.Lewis, R.H.Sands Novel Method of Spectroscopy with Applications to Precision Fine Structure Measurements
doi: 10.1103/PhysRevLett.3.420
1958BE97 Phys.Rev. 112, 232 (1958) Vector Interaction in Beta Decay
doi: 10.1103/PhysRev.112.232
1956SM03 J.Chem.Phys. 25, 502 (1956) R.R.Smith, S.D.Reeder, R.H.Lewis Successive Neutron Capture in Tb159
doi: 10.1063/1.1742953
1956SM25 Phys.Rev. 101, 1053 (1956) R.R.Smith, N.P.Alley, R.H.Lewis, A.VanderDoes Neutron Absorption Cross Sections of Pa231 and Pa232
doi: 10.1103/PhysRev.101.1053
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