NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.J.Freedman Found 66 matches. 2020NU01 J.Low Temp.Physics 199, 519 (2020) I.Nutini, D.Q.Adams, C.Alduino, K.Alfonso, F.T.Avignone, O.Azzolini, G.Bari, F.Bellini, G.Benato, M.Biassoni, A.Branca, C.Brofferio, C.Bucci, A.Caminata, A.Campani, L.Canonica, X.G.Cao, S.Capelli, L.Cappelli, L.Cardani, P.Carniti, N.Casali, D.Chiesa, N.Chott, M.Clemenza, S.Copello, C.Cosmelli, O.Cremonesi, R.J.Creswick, A.D'Addabbo, D.D'Aguanno, I.Dafinei, C.J.Davis, S.Dell'Oro, S.Di Domizio, V.Dompe, D.Q.Fang, G.Fantini, M.Faverzani, E.Ferri, F.Ferroni, E.Fiorini, M.A.Franceschi, S.J.Freedman, B.K.Fujikawa, A.Giachero, L.Gironi, A.Giuliani, P.Gorla, C.Gotti, T.D.Gutierrez, K.Han, K.M.Heeger, R.G.Huang, H.Z.Huang, J.Johnston, G.Keppel, Yu.G.Kolomensky, C.Ligi, Y.G.Ma, L.Ma, L.Marini, R.H.Maruyama, Y.Mei, N.Moggi, S.Morganti, T.Napolitano, M.Nastasi, J.Nikkel, C.Nones, E.B.Norman, V.Novati, A.Nucciotti, T.O'Donnell, J.L.Ouellet, C.E.Pagliarone, L.Pagnanini, M.Pallavicini, L.Pattavina, M.Pavan, G.Pessina, V.Pettinacci, C.Pira, S.Pirro, S.Pozzi, E.Previtali, A.Puiu, C.Rosenfeld, C.Rusconi, M.Sakai, S.Sangiorgio, B.Schmidt, N.D.Scielzo, V.Singh, M.Sisti, D.Speller, L.Taffarello, F.Terranova, C.Tomei, M.Vignati, S.L.Wagaarachchi, B.S.Wang, B.Welliver, J.Wilson, K.Wilson, L.A.Winslow, L.Zanotti, S.Zimmermann, S.Zucchelli The CUORE Detector and Results RADIOACTIVITY 130Te(2β-); measured decay products, Eβ, Iβ; deduced two-neutron T1/2 and neutrinoless mode limit. The cryogenic underground observatory for rare events (CUORE).
doi: 10.1007/s10909-020-02402-9
2013CH11 Hyperfine Interactions 214, 97 (2013) T.E.Chupp, R.L.Cooper, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, G.L.Jones, A.Garcia, H.P.Mumm, J.S.Nico, A.K.Thompson, C.Trull, F.E.Wietfeldt, J.F.Wilkerson, for the emiT II Collaboration Time reversal and the neutron RADIOACTIVITY 1NN(β-); measured Eβ, Iβ, Ep, Ip, p-E-coin.; deduced triple correlation value, phase of the axial-vector coupling relative to the vector coupling.
doi: 10.1007/s10751-013-0776-y
2013KA04 Phys.Rev. C 87, 011302 (2013) B.P.Kay, T.Bloxham, S.A.McAllister, J.A.Clark, C.M.Deibel, S.J.Freedman, S.J.Freeman, K.Han, A.M.Howard, A.J.Mitchell, P.D.Parker, J.P.Schiffer, D.K.Sharp, J.S.Thomas Valence neutron properties relevant to the neutrinoless double-β decay of 130Te NUCLEAR REACTIONS 128,130Te(p, d), E=23 MeV; 128,130Te, 130,132Xe(d, p), E=15 MeV; 128,130Te, 130,132Xe(α, 3He), E=50 MeV; 130Te(3He, α), E=40 MeV; 132Xe(p, t), E=23 MeV; measured deuteron, proton, triton, 3He, α spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale Tandem accelerator facility. 127,129,131Te, 130,131,133Xe; deduced levels, J, π, L-transfers. 128,130Te, 130,132Xe; deduced neutron vacancies for active orbitals. Comparison with calculations within both the quasiparticle random-phase approximation and shell-model frameworks. Discussed relevance to neutrinoless double β decay of 130Te.
doi: 10.1103/PhysRevC.87.011302
2012CH36 Phys.Rev. C 86, 035505 (2012) T.E.Chupp, R.L.Cooper, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, A.Garcia, G.L.Jones, H.P.Mumm, J.S.Nico, A.K.Thompson, C.A.Trull, F.E.Wietfeldt, J.F.Wilkerson Search for a T-odd, P-even triple correlation in neutron decay RADIOACTIVITY 1n(β-); measured Ep, Ip, Eβ, (proton)(electron)-coin, proton time of flight in the decay of longitudinally polarized neutron using emiT apparatus at NIST Center for Neutron Research (NCNR); deduced T-odd, P-even triple correlation D, phase of the ratio of the axial-vector and vector coupling constants.
doi: 10.1103/PhysRevC.86.035505
2011AD03 Rev.Mod.Phys. 83, 195 (2011) E.G.Adelberger, A.Garcia, R.G.H.Robertson, K.A.Snover, A.B.Balantekin, K.Heeger, M.J.Ramsey-Musolf, A.B.Balantekin, K.Heeger, M.J.Ramsey-Musolf, D.Bemmerer, A.Junghans, D.Bemmerer, A.Junghans, C.A.Bertulani, K.-W.Chen, H.Costantini, P.Prati, M.Couder, E.Uberseder, M.Wiescher, R.Cyburt, B.Davids, S.J.Freedman, M.Gai, D.Gazit, L.Gialanella, G.Imbriani, U.Greife, M.Hass, W.C.Haxton, T.Itahashi, K.Kubodera, K.Langanke, D.Leitner, M.Leitner, P.Vetter, L.Winslow, L.E.Marcucci, T.Motobayashi, A.Mukhamedzhanov, R.E.Tribble, F.M.Nunes, T.-S.Park, R.Schiavilla, E.C.Simpson, C.Spitaleri, F.Strieder, H.-P.Trautvetter, K.Suemmerer, S.Typel Solar fusion cross sections. II. The pp chain and CNO cycles NUCLEAR REACTIONS 2H(p, γ), 3He(3He, 2p), (α, γ), (p, e), 7Be, 12C, 14N, 15N, 17O(p, γ), 15N, 16,17,18O(p, α), E<3 MeV; analyzed and evaluated experimental data; deduced recommended values and uncertainties.
doi: 10.1103/RevModPhys.83.195
2011MU15 Phys.Rev.Lett. 107, 102301 (2011) H.P.Mumm, T.E.Chupp, R.L.Cooper, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, A.Garcia, G.L.Jones, J.S.Nico, A.K.Thompson, C.A.Trull, J.F.Wilkerson, F.E.Wietfeldt New Limit on Time-Reversal Violation in Beta Decay
doi: 10.1103/PhysRevLett.107.092301
2010BL06 Phys.Rev. C 82, 027308 (2010) T.Bloxham, B.P.Kay, J.P.Schiffer, J.A.Clark, C.M.Deibel, S.J.Freeman, S.J.Freedman, A.M.Howard, S.A.McAllister, P.D.Parker, D.K.Sharp, J.S.Thomas Pair correlations in the neutrinoless double-β decay candidate 130Te NUCLEAR REACTIONS 128,130Te(p, t), E=23 MeV; measured triton spectra, σ(θ). 126,128Te; deduced levels, L-transfers. Split-pole magnetic spectrograph and gas-filled focal plane detector. Comparison with data for 128,130Te(3He, n) reactions. Relevance to calculation of the matrix element for neutrinoless double-β decay of 130Te.
doi: 10.1103/PhysRevC.82.027308
2008VE03 Phys.Rev. C 77, 035502 (2008) P.A.Vetter, J.R.Abo-Shaeer, S.J.Freedman, R.Maruyama Measurement of the β-ν correlation of 21Na using shakeoff electrons RADIOACTIVITY 21Na(β+); measured β-ν correlation coefficient, time-of-flight, internal conversion. Comparisons with standard model.
doi: 10.1103/PhysRevC.77.035502
2008VE06 Phys.Lett. B 670, 196 (2008) P.A.Vetter, R.M.Clark, J.Dvorak, S.J.Freedman, K.E.Gregorich, H.B.Jeppesen, D.Mittelberger, M.Wiedeking Search for oscillation of the electron-capture decay probability of 142Pm RADIOACTIVITY 142Pm(EC); measured Eγ, Iγ, X-ray spectra, decay constant.
doi: 10.1016/j.physletb.2008.11.004
2006AR06 Prog.Part.Nucl.Phys. 57, 203 (2006) R.Ardito, C.Arnaboldi, D.R.Artusa, F.T.Avignone III, M.Balata, I.Bandac, M.Barucci, J.W.Beeman, F.Bellini, C.Brofferio, C.Bucci, S.Capelli, F.Capozzi, L.Carbone, S.Cebrian, M.Clemenza, C.Cosmelli, O.Cremonesi, R.J.Creswick, I.Dafinei, A.de Waard, M.Diemoz, M.Dolinski, H.A.Farach, F.Ferroni, E.Fiorini, S.J.F.Freedman, G.Frossati, C.Gargiulo, A.Giuliani, P.Gorla, E.Guardincerri, T.D.Gutierrez, E.E.Haller, K.M.Heeger, I.G.Irastorza, E.Longo, R.Maruyama, S.Morganti, S.Nisi, C.Nones, E.B.Norman, A.Nucciotti, N.Xu, E.Olivieri, P.Ottonello, M.Pallavicini, E.Palmieri, M.Pavan, M.Pedretti, G.Pessina, S.Pirro, E.Previtali, L.Risegari, C.Rosenfeld, S.Sangiorgio, M.Sisti, A.R.Smith, L.Torres, G.Ventura, L.Zanotti The CUORICINO and CUORE double beta decay experiments RADIOACTIVITY 130Te(2β-); measured 0νββ-decay T1/2 lower limit; deduced neutrino mass limits.
doi: 10.1016/j.ppnp.2005.11.030
2006BU12 Phys.Rev. C 74, 025501 (2006) J.T.Burke, P.A.Vetter, S.J.Freedman, B.K.Fujikawa, W.T.Winter Half-life of 14O RADIOACTIVITY 14O(β+) [from 12C(3He, n)]; measured Eγ, Eβ, T1/2; deduced log ft. Comparison with previous results.
doi: 10.1103/PhysRevC.74.025501
2006GE20 Phys.Rev.C 74, 065503 (2006) M.T.Gericke, J.D.Bowman, R.D.Carlini, T.E.Chupp, K.P.Coulter, M.Dabaghyan, M.Dawkins, D.Desai, S.J.Freedman, T.R.Gentile, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, G.L.Jones, M.Kandes, B.Lauss, M.Leuschner, W.R.Lozowski, R.Mahurin, M.Mason, Y.Masuda, G.S.Mitchell, S.Muto, H.Nann, S.A.Page, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu, and the NPDGamma Collaboration Upper bounds on parity-violating γ-ray asymmetries in compound nuclei from polarized cold neutron capture NUCLEAR REACTIONS B, C, 27Al, Cu, 115In(polarized n, γ), E=low; measured Eγ, Iγ(θ); deduced upper bounds on parity-violating γ-ray asymmetry.
doi: 10.1103/PhysRevC.74.065503
2006WI03 Phys.Rev. C 73, 025503 (2006) W.T.Winter, S.J.Freedman, K.E.Rehm, J.P.Schiffer The 8B neutrino spectrum RADIOACTIVITY 8B(β+α) [from 3He(6Li, n)]; measured β-delayed Eα, αα-coin; deduced β+-decay strength function, neutrino spectrum.
doi: 10.1103/PhysRevC.73.025503
2005PA37 J.Res.Natl.Inst.Stand.Technol. 110, 195 (2005) S.A.Page, J.D.Bowman, R.D.Carlini, T.Case, T.E.Chupp, K.P.Coulter, M.Dabaghyan, D.Desai, S.J.Freedman, T.R.Gentile, M.T.Gericke, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, S.Ishimoto, G.L.Jones, B.Lauss, M.B.Leuschner, B.Losowski, R.Mahurin, Y.Masuda, G.S.Mitchell, H.Nann, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu Measurement of Parity Violation in np Capture: the NPDGamma Experiment NUCLEAR REACTIONS Al(polarized n, γ), E=low; measured parity-violating γ-ray asymmetry.
doi: 10.6028/jres.110.024
2004SC33 Phys.Rev.Lett. 93, 102501 (2004) N.D.Scielzo, S.J.Freedman, B.K.Fujikawa, P.A.Vetter Measurement of the β - ν Correlation using Magneto-optically Trapped 21Na RADIOACTIVITY 21Na(β+) [from Mg(p, X)]; measured Eβ, recoil spectrum; deduced beta-neutrino correlation coefficient. Magneto-optical trap, possible systematic uncertainties discussed.
doi: 10.1103/PhysRevLett.93.102501
2004SC46 Nucl.Phys. A746, 677c (2004) N.D.Scielzo, S.J.Freedman, B.K.Fujikawa, I.Kominis, R.Maruyama, P.A.Vetter, J.R.Vieregg Detecting shake-off electron-ion coincidences to measure β-decay correlations in laser trapped 21Na RADIOACTIVITY 21Na(β+), (EC); measured shake-off electron spectra, (electron)(ion)-coin.
doi: 10.1016/j.nuclphysa.2004.09.048
2004WI13 Nucl.Phys. A746, 311c (2004) W.T.Winter, K.E.Rehm, C.L.Jiang, I.Ahmad, S.J.Freedman, J.Greene, A.Heinz, D.Henderson, R.V.F.Janssens, E.F.Moore, G.Mukherjee, R.C.Pardo, M.Paul, T.Pennington, G.Savard, J.P.Schiffer, D.Seweryniak, G.Zinkann Determination of the 8B neutrino spectrum RADIOACTIVITY 8B(EC); measured β-delayed Eα; deduced neutrino spectrum. 20Na(EC); measured β-delayed Eα.
doi: 10.1016/j.nuclphysa.2004.09.029
2003MA61 Nucl.Phys. A721, 485c (2003) Y.Masuda, J.D.Bowman, R.D.Carlini, T.Case, T.E.Chupp, K.P.Coulter, S.J.Freedman, T.R.Gentile, M.Gericke, G.L.Greene, F.W.Hersmann, T.Ino, S.Ishimoto, G.L.Jones, M.B.Leuschner, G.S.Mitchell, K.Morimoto, S.Muto, H.Nann, S.A.Page, S.I.Penttila, W.D.Ramsay, E.I.Sharapov, T.B.Smith, W.M.Snow, S.W.Wilburn, Y.W.Yuan, and the NPDGAMMA Collaboration Parity-violating gamma-ray asymmetry in the neutron-proton capture
doi: 10.1016/S0375-9474(03)01105-9
2003RE26 Nucl.Phys. A718, 443c (2003) K.E.Rehm, W.Winter, C.L.Jiang, I.Ahmad, S.J.Freedman, J.Greene, A.Heinz, D.Henderson, R.V.F.Janssens, E.F.Moore, G.Mukherjee, R.C.Pardo, M.Paul, T.Pennington, G.Savard, J.P.Schiffer, D.Seweryniak, G.Zinkann Study of the 8B Neutrino Spectrum With a New Technique RADIOACTIVITY 8B, 20Na(α) [from 3He(6Li, n), (19F, 2n)]; measured Eα.
doi: 10.1016/S0375-9474(03)00841-8
2003WI11 Nucl.Phys. A721, 553c (2003) W.Winter, K.E.Rehm, C.L.Jiang, I.Ahmad, S.J.Freedman, J.Greene, A.Heinz, D.Henderson, R.V.F.Janssens, E.F.Moore, G.Mukherjee, R.C.Pardo, M.Paul, T.Pennington, G.Savard, J.P.Schiffer, D.Seweryniak, G.Zinkann Measurement of the 8B Neutrino Spectrum RADIOACTIVITY 8B, 20Na(β+), (EC) [from 3He(6Li, n) and 3He(19F, 2n)]; measured β-delayed Eα. Mass-separated sources.
doi: 10.1016/S0375-9474(03)01122-9
2003WI16 Phys.Rev.Lett. 91, 252501 (2003) W.T.Winter, S.J.Freedman, K.E.Rehm, I.Ahmad, J.P.Greene, A.Heinz, D.Henderson, R.V.F.Janssens, C.L.Jiang, E.F.Moore, G.Mukherjee, R.C.Pardo, T.Pennington, G.Savard, J.P.Schiffer, D.Seweryniak, G.Zinkann, M.Paul Determination of the 8B Neutrino Spectrum RADIOACTIVITY 8B, 20Na(β+α) [from 3He(6Li, n) and 3He(19F, 2n)]; measured β-delayed Eα, Iα, βα-coin; deduced neutrino spectrum. Comparison with previous results.
doi: 10.1103/PhysRevLett.91.252501
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
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
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
1999AH07 Phys.Rev. C60, 064601 (1999) I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, C.M.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, Th.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.M.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.R.Young, J.E.Yurkon Positron-Electron Pairs Produced in Heavy-Ion Collisions NUCLEAR REACTIONS 232Th(238U, X), E=5.95 MeV/nucleon; 181Ta(238U, X), E=5.95, 6.1, 6.3 MeV/nucleon; measured positron, electron spectra, multiplicities, e-e+-coin, angular correlation; deduced no sharp structure in sum-energy spectra. APEX spectrometer.
doi: 10.1103/PhysRevC.60.064601
1999BO03 Phys.Rev. C59, 1113 (1999) C.J.Bowers, S.J.Freedman, B.Fujikawa, A.O.Macchiavelli, R.W.MacLeod, J.Reich, S.Q.Shang, P.A.Vetter, E.Wasserman New Measurement of the β-γ Directional Correlation in 22Na RADIOACTIVITY 22Na(β+); measured Eγ, Iγ, Eβ, Iβ, βγ-coin, directional correlations; deduced recoil-order form factors, second-class currents. Gammasphere array.
doi: 10.1103/PhysRevC.59.1113
1999FU04 Phys.Lett. 449B, 6 (1999) B.K.Fujikawa, S.J.Asztalos, R.M.Clark, M.-A.Deleplanque-Stephens, P.Fallon, S.J.Freedman, J.P.Greene, I.-Y.Lee, L.J.Lising, A.O.Macchiavelli, R.W.MacLeod, J.C.Reich, M.A.Rowe, S.-Q.Shang, F.S.Stephens, E.G.Wasserman A New Measurement of the Strength of the Superallowed Fermi Branch in the Beta Decay of 10C with GAMMASPHERE RADIOACTIVITY 10C(β+) [from 10B(p, n), E=8 MeV]; measured β-delayed Eγ, Iγ; deduced superallowed transition branching ratio. Gammasphere array.
doi: 10.1016/S0370-2693(98)01603-7
1998WU01 Phys.Rev.Lett. 80, 2085 (1998) A.H.Wuosmaa, I.Ahmad, S.M.Fischer, J.P.Greene, G.Hackman, V.Nanal, G.Savard, J.P.Schiffer, P.Wilt, S.M.Austin, B.A.Brown, S.J.Freedman, J.J.Connell β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry RADIOACTIVITY 54Mn(β+); measured β+ spectra, β+-decay branching ratio, partial T1/2. Astrophysical implications.
doi: 10.1103/PhysRevLett.80.2085
1997AH01 Phys.Rev.Lett. 78, 618 (1997) I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.R.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration Search for Monoenergetic Positron Emission from Heavy-Ion Collisions at Coulomb-Barrier Energies NUCLEAR REACTIONS 181Ta(238U, X), E=5.95-6.3 MeV/nucleon; 232Th(238U, X), E=5.95 MeV/nucleon; measured positron energy spectra; deduced no structure.
doi: 10.1103/PhysRevLett.78.618
1997AH04 Phys.Rev. C55, R2755 (1997) I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, J.S.Greenberg, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration Internal Pair Conversion in Heavy Nuclei NUCLEAR REACTIONS 206Pb(206Pb, X), E=5.90 MeV/nucleon; measured e+e--sum energy spectra, Doppler corrected Eγ; deduced internal pair conversion to gamma branching ratio. 232Th(208Pb, X), E=5.80 MeV/nucleon; 238U(208Pb, X), E=5.80 MeV/nucleon; 181Ta(238U, X), E=5.95 MeV/nucleon; 232Th(238U, X), E=5.90 MeV/nucleon; measured e+e--sum energy, Doppler corrected Eγ; deduced no discrete lines evidence in e+e- spectra. 238U deduced new levels evidence.
doi: 10.1103/PhysRevC.55.R2755
1997AH05 Z.Phys. A358, 235 (1997) I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.Young, J.E.Yurkon, and the APEX Collaboration The Positron-Electron Peak Puzzle: Results from APEX NUCLEAR REACTIONS 232Th(238U, X), E=5.78-5.95 MeV/nucleon; 181Ta(238U, X), E=5.79-6.3 MeV/nucleon; measured total (e+)(heavy-ion)-, (e+e-)(heavy-ion)-coin events number; deduced very low light neutral particle production upper limits.
doi: 10.1007/s002180050316
1996AH05 Acta Phys.Pol. B27, 387 (1996) I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.Gazes, A.L.Hallin, T.Happ, N.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.Young, J.E.Yurkon, and the APEX Collaboration The Positron Peak Puzzle - Recent Results from APEX NUCLEAR REACTIONS 232Th(238U, X), E=5.95 MeV/nucleon; 181Ta(238U, X), E=5.96-6.3 MeV/nucleon; 206Pb(206Pb, X), E not given; analyzed e+e--sum energy spectra. 232Th, 238U(208Pb, X), E=5.8 MeV/nucleon; 232Th, 181Ta(238U, X), E=5.95 MeV/nucleon; 206Pb(206Pb, X), E=5.9 MeV/nucleon; analyzed Doppler reconstructed γ spectra; deduced limits on 1.78 MeV 238U transition possible contribution to (heavy ion)γ-coin.
1996AH07 Nucl.Instrum.Methods Phys.Res. A370, 539 (1996) I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, J.S.Greenberg, J.P.Greene, A.L.Hallin, Th.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.M.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.R.Young, J.E.Yurkon A Solenoidal Spectrometer for Positron-Electron Pairs Produced in Heavy-Ion Collisions RADIOACTIVITY 85Sr(EC); 113Sn(EC); 203Hg(β-); measured electron spectra; deduced apparatus response, efficiency. New solenoidal spectrometer. NUCLEAR REACTIONS 181Ta(238U, X), E=6.1 MeV/nucleon; measured γ-, positron energy spectra. New solenoidal spectrometer.
doi: 10.1016/0168-9002(95)00829-2
1996BA28 Phys.Rev. C54, 411 (1996) J.N.Bahcall, E.Lisi, D.E.Alburger, L.De Braeckeleer, S.J.Freedman, J.Napolitano Standard Neutrino Spectrum from 8B Decay RADIOACTIVITY 8B(β+); compiled, reviewed, analyzed decay data; deduced ν spectrum, absorption σ on Cl, Ga.
doi: 10.1103/PhysRevC.54.411
1995AH01 Nucl.Phys. A583, 247c (1995) I.Ahmad, S.M.Austin, B.B.Back, D.Bazin, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, J.S.Greenberg, A.L.Hallin, T.Happ, J.Last, N.Kaloskamis, E.Kashy, W.Kutschera, C.J.Lister, M.Liu, M.R.Maier, D.Mercer, A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon Positron Production in Heavy Ion Collisions: Current status of the problem NUCLEAR REACTIONS 181Ta(238U, X), E=5.9-6.3 MeV/nucleon; compiled, analyzed, reviewed electron, positron production data.
doi: 10.1016/0375-9474(94)00667-C
1995AH06 Phys.Rev.Lett. 75, 2658 (1995) I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration Search for Narrow Sum-Energy Lines in Electron-Positron Pair Emission from Heavy-Ion Collisions Near the Coulomb Barrier NUCLEAR REACTIONS 181Ta(238U, X), E=5.95-6.3 MeV/nucleon; 232Th(238U, X), E=5.95 MeV/nucleon; measured pair emission sum spectra; deduced no sharp lines evidence, neutral particle isolated decay related features.
doi: 10.1103/PhysRevLett.75.2658
1994LU04 Phys.Rev.Lett. 72, 3791 (1994) Z.-T.Lu, C.J.Bowers, S.J.Freedman, B.K.Fujikawa, J.L.Mortara, S.-Q.Shang, K.P.Coulter, L.Young Laser Trapping of Short-Lived Radioactive Isotopes
doi: 10.1103/PhysRevLett.72.3791
1993FR14 Phys.Rev. C48, 1864 (1993) S.J.Freedman, D.F.Geesaman, R.Gilman, M.C.Green, R.J.Holt, H.E.Jackson, E.R.Kinney, R.Kowalczyk, C.Marchand, J.Napolitano, J.Nelson, D.H.Potterveld, B.Zeidman, R.E.Segel, T.-Y.Tung, D.Beck, G.Boyd, D.Collins, B.W.Filippone, C.E.Jones, J.Jourdan, R.D.McKeown, R.Milner, R.Walker, P.E.Bosted, Z.-E.Meziani, R.Minehart Two-Body Disintegration of the Deuteron with 0.8-1.8 GeV Photons NUCLEAR REACTIONS 2H(γ, p), E=0.8-1.8 GeV; measured proton yield, σ(θ) vs E.
doi: 10.1103/PhysRevC.48.1864
1993KA34 Nucl.Instrum.Methods Phys.Res. A330, 447 (1993) N.I.Kaloskamis, K.C.Chan, A.A.Chishti, J.S.Greenberg, C.J.Lister, S.J.Freedman, M.Wolanski, J.Last, B.Utts The Trigger Detector for APEX: An array of position-sensitive NaI(Tl) detectors for the imaging of positrons from heavy-ion collisions RADIOACTIVITY 68Ge(EC); measured γγ-coin. Position sensitive cylindrical NaI(Tl) detector.
doi: 10.1016/0168-9002(93)90574-2
1993MO01 Phys.Rev.Lett. 70, 394 (1993) J.L.Mortara, I.Ahmad, K.P.Coulter, S.J.Freedman, B.K.Fujikawa, J.P.Greene, J.P.Schiffer, W.H.Trzaska, A.R.Zeuli Evidence Against a 17 keV Neutrino from 35S Beta Decay RADIOACTIVITY 35S(β-); measured β-spectrum; deduced evidence against 17 keV neutrino. Mixed 35S, 14C source.
doi: 10.1103/PhysRevLett.70.394
1991KR19 Nucl.Instrum.Methods Phys.Res. A310, 649 (1991) M.A.Kroupa, S.J.Freedman, P.H.Barker, S.M.Ferguson A Method for Determining the Branching Ratio for the Superallowed Decay: 10C(0+, gs) → 10B(0+, 1.74 MeV) + e+ + ν NUCLEAR REACTIONS 10B(p, p'), E=7.8 MeV; measured Eγ, Iγ, pγ-coin, β-delayed γ-spectra. 10C deduced superallowed β-decay branching ratio. RADIOACTIVITY 10C(β+) [from 10B(p, p'), E=7.8 MeV]; measured Eγ, Iγ, β-delayed γ-spectra; deduced superallowed β-decay branching ratio.
doi: 10.1016/0168-9002(91)91112-9
1990FR20 J.Phys.(Paris), Colloq.C-6, 239 (1990) Spin Effects in the Weak Interaction RADIOACTIVITY 1n; compiled T1/2 data, analyses. Z ≈ 5-25; compiled superallowed Fermi decay data, analyses; deduced nucleon weak vector, axial vector couplings strengths.
1990NA06 Nucl.Phys. A508, 455c (1990) J.Napolitano, S.J.Freedman, D.F.Geesaman, R.Gilman, M.C.Green, R.J.Holt, H.E.Jackson, E.R.Kinney, R.Kowalczyk, C.Marchand, J.Napolitano, J.Nelson, D.Potterveld, B.Zeidman, R.E.Segel, T.-Y.Tung, D.Beck, G.Boyd, D.Collins, B.W.Filippone, J.Jourdan, R.D.McKeown, R.Milner, R.Walker, C.Woodward, P.E.Bosted, Z.-E.Meziani, R.Minehart High Energy Deuteron Photodisintegration NUCLEAR REACTIONS 2H(γ, p), E ≈ 0.8-1.8 GeV; measured σ(t) vs s.
doi: 10.1016/0375-9474(90)90509-K
1989DO17 Nucl.Instrum.Methods Phys.Res. A284, 123 (1989) J.Dohner, H.Abele, I.Reichert, H.Borel, D.Dubbers, S.J.Freedman, J.Last Measurement of Neutron-Decay Parameters with PERKEO RADIOACTIVITY 1n(β-); measured β-decay asymmetry T1/2; deduced g(A), g(V). Solenoidal electron spectrometer.
doi: 10.1016/0168-9002(89)90263-5
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
1988HA21 Nucl.Phys. A483, 1 (1988) J.R.Hall, D.L.Clark, S.J.Freedman, S.S.Hanna Energy Dependence of the Beta Asymmetry in the Decay of 8Li RADIOACTIVITY 8Li(β-) [from 7Li(polarized d, p), E=6 MeV]; measured β-decay asymmetry vs E(β); deduced no second class current evidence. Shell model, conserved vector current hypothesis comparison. Plastic scintillation detectors, enriched target, polarized source.
doi: 10.1016/0375-9474(88)90061-9
1988KL01 Z.Phys. C37, 179 (1988) E.Klemt, P.Bopp, L.Hornig, J.Last, S.J.Freedman, D.Dubbers, O.Scharpf The Beta-Decay Asymmetry of the Neutron RADIOACTIVITY 1n(β-); measured β-decay asymmetry; deduced g(A)/g(V).
doi: 10.1007/BF01579905
1988LA04 Phys.Rev.Lett. 60, 995 (1988) J.Last, M.Arnold, J.Dohner, D.Dubbers, S.J.Freedman Pulsed-Beam Neutron-Lifetime Measurement RADIOACTIVITY 1n; measured T1/2; deduced (G(A)/G(V)).
doi: 10.1103/PhysRevLett.60.995
1988NA15 Phys.Rev.Lett. 61, 2530 (1988) J.Napolitano, S.J.Freedman, D.F.Geesaman, R.Gilman, M.C.Green, R.J.Holt, H.E.Jackson, R.Kowalczyk, C.Marchand, J.Nelson, B.Zeidman, D.Beck, G.Boyd, D.Collins, B.W.Filippone, J.Jourdan, R.D.McKeown, R.Milner, D.Potterveld, R.Walker, C.Woodward, R.E.Segel, T.-Y.Tung, P.E.Bosted, E.R.Kinney, Z.-E.Meziani, R.Minehart Measurement of the Differential Cross Section for the Reaction 2H(γ, p)n at High Photon Energies and θ(c.m.) = 90° NUCLEAR REACTIONS 2H(γ, p), E=0.8, 1.6 GeV; measured photodisintegration σ(θ).
doi: 10.1103/PhysRevLett.61.2530
1987NA08 Phys.Rev. C36, 298 (1987) J.Napolitano, S.J.Freedman, J.Camp Beta and Neutrino Spectra in the Decay of 8B RADIOACTIVITY 8B(β+); measured positron momentum spectrum; deduced solar neutrino average capture cross section. 8B deduced ν(e) energy spectrum.
doi: 10.1103/PhysRevC.36.298
1986BO04 Phys.Rev.Lett. 56, 919 (1986); Erratum Phys.Rev. 57, 1192 (1986) P.Bopp, D.Dubbers, L.Hornig, E.Klemt, J.Last, H.Schutze, S.J.Freedman, O.Scharpf Beta-Decay Asymmetry of the Neutron and g(A)/g(V) RADIOACTIVITY 1n; measured β-asymmetry, Eβ, Iβ; deduced (g(A)/g(V)). Polarized neutron beam, long solenoidal β-spectrometer.
doi: 10.1103/PhysRevLett.56.919
1985NE05 Phys.Rev. C31, 2295 (1985) J.E.Nelson, J.Napolitano, S.J.Freedman E2 Strength of the Lowest Resonance in 6Li(α, γ): Collective effects in the 1p shell NUCLEAR REACTIONS 6Li(α, γ), E=resonance; measured γ thick target yield; deduced p-shell collective effects. 10B levels deduced resonance strength ratio, B(E2).
doi: 10.1103/PhysRevC.31.2295
1984BO28 J.Phys.(Paris), Colloq.C3, 21 (1984) P.Bopp, D.Dubbers, E.Klemt, J.Last, H.Schutze, W.Weibler, S.J.Freedman, O.Scharpf The β-Decay Asymmetry of the Free Neutron RADIOACTIVITY 1n(β-); measured β-decay asymmetry vs E; deduced (gp/g(A)). Polarized source, superconducting spectrometer.
1984NA07 Nucl.Phys. A417, 289 (1984) The Width of the 5.11 MeV State in 10B and Isovector Parity Mixing NUCLEAR REACTIONS, ICPND 6Li(α, γ), E=1.03-1.2 MeV; measured thick target yields. 10B deduced level parity mixing parameter, 2+, T=1 level Γα. Vector polarized target.
doi: 10.1016/0375-9474(84)90509-8
1983GA18 Phys.Rev. C28, 2423 (1983) C.A.Gagliardi, G.T.Garvey, J.R.Wrobel, S.J.Freedman 16N(0-) Beta Decay and Weak Axial Vector Meson Exchange Currents NUCLEAR REACTIONS 19F(p, α), E=3 MeV; measured σ(Eα), σ(θ). RADIOACTIVITY 16N(β-) [from 15N(d, p), E=3.8 MeV]; measured Eγ, Iγ, Eβ, Iβ, β-decay rate vs t; deduced (gp/g(A)). 16N level deduced β-decay probability. 16O levels deduced Iβ. Calibration with 19F(p, α) reaction. Comparison with theory.
doi: 10.1103/PhysRevC.28.2423
1982GA05 Phys.Rev.Lett. 48, 914 (1982) C.A.Gagliardi, G.T.Garvey, J.R.Wrobel, S.J.Freedman Demonstration of the Need for Meson Exchange Currents in the Beta Decay of 16N(0-) RADIOACTIVITY 16N [from 15N(d, p), E=3.4 MeV]; measured Eβ, Eγ, Iγ, β-decay rate; deduced pseudoscalar, axial vector coupling constant ratio, pion exchange current evidence.
doi: 10.1103/PhysRevLett.48.914
1979FR04 Phys.Rev. C19, 1907 (1979) S.J.Freedman, C.A.Gagliardi, M.A.Oothoudt, A.V.Nero, R.G.H.Robertson, F.J.Zutavern, E.G.Adelberger, A.B.McDonald Decays of the Lowest T = 2 States in A = 4N Nuclei from 8Be to 44Ti NUCLEAR REACTIONS 10Be, 14C, 18O, 26Mg, 30Si, 34S, 38Ar, 42Ca, 46Ti(p, t), E=42, 46 MeV; measured t-charged particle-coin, tnγ-coin. 8Be, 12C, 16O, 24Mg, 28Si, 32S, 36Ar, 40Ca, 44Ti deduced lowest J=0, T=2 positive parity level, systematics of isospin forbidden decay widths.
doi: 10.1103/PhysRevC.19.1907
1978FR10 Phys.Rev. C17, 2071 (1978) S.J.Freedman, C.A.Gagliardi, M.A.Oothoudt, A.V.Nero, R.G.H.Robertson, F.J.Zutavern, E.G.Adelberger, A.B.McDonald Decays of the Lowest T = 2 State in 44Ti NUCLEAR REACTIONS 46Ti(p, t), E=42 MeV; measured tγ-coin, tα-coin. 44Ti levels deduced Γγ/Γ, Γα/Γ.
doi: 10.1103/PhysRevC.17.2071
1978RO08 Phys.Rev. C17, 1535 (1978) R.G.H.Robertson, T.L.Khoo, G.M.Crawley, A.B.McDonald, E.G.Adelberger, S.J.Freedman Mass of Lowest T = 2 State of 12C NUCLEAR REACTIONS 14C(p, t), E ≈ 45 MeV; measured σ; deduced Q. 12C deduced level, T, Γ. 12C(p, t), E=45 MeV; measured σ; deduced Q. 10C deduced level.
doi: 10.1103/PhysRevC.17.1535
1977CA01 Phys.Rev. C15, 381 (1977) F.P.Calaprice, S.J.Freedman, B.Osgood, W.C.Thomlinson Test of Time-Reversal Invariance in the Beta Decay of 56Co RADIOACTIVITY 56Co; measured βγ(θ) from oriented nuclei; deduced limit on time reversal violation.
doi: 10.1103/PhysRevC.15.381
1977FR08 Phys.Lett. 67B, 165 (1977) S.J.Freedman, R.D.Cousins, Jr., C.A.Gagliardi, G.T.Garvey, J.F.Greenhalgh Beta-Alpha Correlation in the Decay of 20Na RADIOACTIVITY 20Na; measured βα(θ).
doi: 10.1016/0370-2693(77)90093-4
1976DE14 Phys.Rev. C13, 2089 (1976) R.M.Del Vecchio, S.J.Freedman, G.T.Garvey, M.A.Oothoudt Jπ Assignment to the 4.841 MeV Level in 208Pb NUCLEAR REACTIONS 208Pb(α, α'γ), E=35 MeV; measured α'γ(θ). 208Pb level deduced J, π.
doi: 10.1103/PhysRevC.13.2089
1976FR01 Phys.Rev.Lett. 36, 279 (1976) S.J.Freedman, A.V.Nero, M.A.Oothoudt, F.J.Zutavern Limits on the Particle Decays of the Lowest T = 2 State in 44Ti NUCLEAR REACTIONS 46Ti(p, t), E=42 MeV; measured t, charged particle coin. 44Ti level deduced limits on particle decays.
doi: 10.1103/PhysRevLett.36.279
1976FR21 Phys.Rev.Lett. 37, 1606 (1976) S.J.Freedman, C.A.Gagliardi, G.T.Garvey, M.A.Oothoudt, B.Svetitsky Magnetic Dipole States in 208Pb NUCLEAR REACTIONS 208Pb(p, p'γ), (d, d'γ), E=24 MeV; measured p'γ-, d'γ-coin. 208Pb deduced B(M1).
doi: 10.1103/PhysRevLett.37.1606
1975CA28 Phys.Rev.Lett. 35, 1566 (1975) F.P.Calaprice, S.J.Freedman, W.C.Mead, H.C.Vantine Experimental Study of Weak Magnetism and Second-Class Interaction Effects in the β Decay of Polarized 19Ne RADIOACTIVITY 19Ne; measured β(θ) in polarized nucleus.
doi: 10.1103/PhysRevLett.35.1566
1975FR15 Phys.Rev. C12, 315 (1975) S.J.Freedman, R.M.Del Vecchio, C.Callias Measurement of the Branching Ratio for the β Decay of 19Ne to the 1554 keV State in 19F and its Implications for a Study of the Neutral Weak Current RADIOACTIVITY 19Ne; measured β decay branching ratio to 1554-keV level.
doi: 10.1103/PhysRevC.12.315
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