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2020BE10      Phys.Rev. C 101, 054311 (2020)

T.A.Berry, Zs.Podolyak, R.J.Carroll, R.Lica, B.A.Brown, H.Grawe, Ch.Sotty, N.K.Timofeyuk, T.Alexander, A.N.Andreyev, S.Ansari, M.J.G.Borge, M.Brunet, J.R.Cresswell, C.Fahlander, L.M.Fraile, H.O.U.Fynbo, E.Gambna, W.Gelletly, R.-B.Gerst, M.Gorska, A.Gredley, P.Greenlees, L.J.Harkness-Brennan, M.Huyse, S.M.Judge, D.S.Judson, J.Konki, M.Kowalska, J.Kurcewicz, I.Kuti, S.Lalkovski, I.Lazarus, M.Lund, M.Madurga, N.Marginean, R.Marginean, I.Marroquin, C.Mihai, R.E.Mihai, E.Nacher, A.Negret, S.Nae, C.Nita, S.Pascu, R.D.Page, Z.Patel, A.Perea, J.Phrompao, M.Piersa, V.Pucknell, P.Rahkila, E.Rapisarda, P.H.Regan, F.Rotaru, M.Rudigier, C.M.Shand, R.Shearman, E.C.Simpson, S.Stegemann, T.Stora, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, P.M.Walker, N.Warr, F.P.Wearing, H.De Witte

Octupole states in 207Tl studied through β decay

RADIOACTIVITY 207Hg(β-)[from 208Pb(p, X)207Hg, E=1.4 GeV]; measured Eγ, Iγ, βγ- and βγγ-coin, γγ(θ) using plastic scintillators for β-detection and four HPGe detectors for γ-detection at CERN-ISOLDE. 207Tl; deduced levels J, π, β feedings, multipolarities, logft, B(M1), B(E1), B(E2), B(M2), B(E3), configurations. Discussion of octupole phonon states. Comparison with state-of-the-art large-scale shell-model calculations, and with previous experimental results.

doi: 10.1103/PhysRevC.101.054311
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2020CA25      Phys.Rev.Lett. 125, 192501 (2020)

R.J.Carroll, Z.Podolyak, T.Berry, H.Grawe, T.Alexander, A.N.Andreyev, S.Ansari, M.J.G.Borge, M.Brunet, J.R.Creswell, L.M.Fraile, C.Fahlander, H.O.U.Fynbo, E.R.Gamba, W.Gelletly, R.-B.Gerst, M.Gorska, A.Gredley, P.T.Greenlees, L.J.Harkness-Brennan, M.Huyse, S.M.Judge, D.S.Judson, J.Konki, J.Kurcewicz, I.Kuti, S.Lalkovski, I.H.Lazarus, R.Lica, M.Lund, M.Madurga, N.Marginean, R.Marginean, I.Marroquin, C.Mihai, R.E.Mihai, E.Nacher, A.Negret, C.Nita, S.Pascu, R.D.Page, Z.Patel, A.Perea, J.Phrompao, M.Piersa, V.Pucknell, P.Rahkila, E.Rapisarda, P.H.Regan, F.Rotaru, M.Rudigier, C.M.Shand, R.Shearman, S.Stegemann, T.Stora, C.Sotty, O.Tengblad, P.Van Duppen, V.Vedia, R.Wadsworth, P.M.Walker, N.Warr, F.Wearing, H.De Witte

Competition between Allowed and First-Forbidden β Decay: The Case of 208Hg → 208Tl

RADIOACTIVITY 208Hg(β-) [from Pb(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, branching ratios, B(Eλ). Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.125.192501
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2019BE37      Phys.Lett. B 793, 271 (2019)

T.A.Berry, Zs.Podolyak, R.J.Carroll, R.Lica, H.Grawe, N.K.Timofeyuk, T.Alexander, A.N.Andreyev, S.Ansari, M.J.G.Borge, J.Creswell, C.Fahlander, L.M.Fraile, H.O.U.Fynbo, W.Gelletly, R.-B.Gerst, M.Gorska, A.Gredley, P.Greenlees, L.J.Harkness-Brennan, M.Huyse, S.M.Judge, D.S.Judson, J.Konki, J.Kurcewicz, I.Kuti, S.Lalkovski, I.Lazarus, M.Lund, M.Madurga, N.Marginean, R.Marginean, I.Marroquin, C.Mihai, R.E.Mihai, E.Nacher, S.Nae, A.Negret, C.Nita, R.D.Page, S.Pascu, Z.Patel, A.Perea, V.Pucknell, P.Rahkila, E.Rapisarda, P.H.Regan, F.Rotaru, C.M.Shand, E.C.Simpson, Ch.Sotty, S.Stegemann, T.Stora, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, R.Wadsworth, P.M.Walker, N.Warr, F.Wearing, H.De Witte

Investigation of the Λ n=0 selection rule in Gamow-Teller transitions: The β-decay of 207Hg

RADIOACTIVITY 207Hg(β-) [from Pb(p, X)207Hg, E=1.4 GeV]; measured decay products, Eβ, Iβ, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, B(Eλ), branching ratios, partial level scheme, J, π, log ft limit, spectroscopic factors.

doi: 10.1016/j.physletb.2019.04.039
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2019SA41      Phys.Rev. C 100, 024608 (2019)

R.Saldanha, H.O.Back, R.H.M.Tsang, T.Alexander, S.R.Elliott, S.Ferrara, E.Mace, C.Overman, M.Zalavadia

Cosmogenic production of 39Ar and 37Ar in argon

NUCLEAR REACTIONS 40Ar(n, 2n)39Ar, 40Ar(n, d)39Cl, 40Ar(n, 4n)37Ar, E=10-1000 MeV; measured Eβ using sensitive ultralow background proportional counters; deduced cross sections, production rates for 37Ar and 39Ar; estimated total cosmogenic production rates for 39Ar from cosmic ray neutrons, protons and muons at sea level. Comparison with previous experimental measurements, and different cross-section models: TALYS, TENDL-1015, MENDEL-2P and INCL++ (ABLA07). Natural Ar samples were irradiated with fast neutrons at the LANSCE WNR ICE-HOUSE II facility. Relevance to argon-based dark matter experiments.

NUCLEAR REACTIONS 40Ar(γ, n), (p, pn), (n, 2n)39Ar, E=10-1000 MeV; 38Ar(nγ)39Ar, E=0.001 eV-10 MeV; 40Ar(γ, p), (n, d), (γ, 3n), (p, 2p), (μ, n)39Cl, E=10-1000 MeV; 40Ar(γ, 3n), (p, 3np)37Ar; 36Ar(n, γ)37Ar, E=0.001 eV-10 MeV; 38Ar(n, 2n), (γ, n), (p, np)37Ar; 40Ar(n, 4n), (γ, 3n), (p, 3np)37Ar; compiled experimental data for reactions, and compared to different cross section models such as TALYS and with evaluated data in ENDF/B-VIII.I to estimated total production rates of cosmogenic 37Ar and 39Ar.

doi: 10.1103/PhysRevC.100.024608
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2017JO07      Phys.Rev. C 95, 064321 (2017)

P.R.John, J.J.Valiente-Dobon, D.Mengoni, V.Modamio, S.Lunardi, D.Bazzacco, A.Gadea, C.Wheldon, T.R.Rodriguez, T.Alexander, G.de Angelis, N.Ashwood, M.Barr, G.Benzoni, B.Birkenbach, P.G.Bizzeti, A.M.Bizzeti-Sona, S.Bottoni, M.Bowry, A.Bracco, F.Browne, M.Bunce, F.Camera, L.Corradi, F.C.L.Crespi, B.Melon, E.Farnea, E.Fioretto, A.Gottardo, L.Grente, H.Hess, Tz.Kokalova, W.Korten, A.Kusoglu, S.Lenzi, S.Leoni, J.Ljungvall, R.Menegazzo, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.R.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, P.Reiter, O.J.Roberts, E.Sahin, M.-D.Salsac, F.Scarlassara, M.Sferrazza, P.-A.Soderstrom, A.M.Stefanini, S.Szilner, C.A.Ur, A.Vogt, J.Walshe

In-beam γ-ray spectroscopy of the neutron-rich platinum isotope 200Pt toward the N=126 shell gap

NUCLEAR REACTIONS 198Pt(82Se, 80Se)200Pt, E=426 MeV; measured Eγ, Iγ, (80Se recoils)γγ-coin using PRISMA spectrometer for 80Se recoils and AGATA array for Doppler-corrected γ rays at XTU Tandem-ALPI accelerator of LNL-Legnaro facility. 200Pt; deduced levels, J, π, ground-state band, structure above the 17-ns, 7- isomer. Comparison with theoretical model calculations.

NUCLEAR STRUCTURE 190,192,194,196,198,200,202,204Pt; calculated particle-number-projected potential energy surfaces in (β2, γ) plane, yrast band excitation energies. Beyond mean-field, symmetry-conserving configuration-mixing (SCCM) calculations based on Gogny D1S energy density functionals. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.064321
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2016PO09      Phys.Rev.Lett. 117, 222302 (2016)

Zs.Podolyak, C.M.Shand, N.Lalovic, J.Gerl, D.Rudolph, T.Alexander, P.Boutachkov, M.L.Cortes, M.Gorska, I.Kojouharov, N.Kurz, C.Louchart, E.Merchan, C.Michelagnoli, R.M.Perez-Vidal, S.Pietri, D.Ralet, M.Reese, H.Schaffner, Ch.Stahl, H.Weick, F.Ameil, G.de Angelis, T.Arici, R.Carroll, Zs.Dombradi, A.Gadea, P.Golubev, M.Lettmann, C.Lizarazo, D.Mahboub, H.Pai, Z.Patel, N.Pietralla, P.H.Regan, L.G.Sarmiento, O.Wieland, E.Wilson, B.Birkenbach, B.Bruyneel, I.Burrows, L.Charles, E.Clement, F.C.L.Crespi, D.M.Cullen, P.Desesquelles, J.Eberth, V.Gonzalez, T.Habermann, L.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Maj, D.Mengoni, D.R.Napoli, A.Pullia, B.Quintana, G.Rainovski, P.Reiter, M.D.Salsac, E.Sanchis, J.J.Valiente Dobon

Role of the δ Resonance in the Population of a Four-Nucleon State in the 56Fe → 54Fe Reaction at Relativistic Energies

NUCLEAR REACTIONS Be(56Fe, X)54Fe, E=500 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced the parallel momentum distribution of fragments, isomeric ratio of the 10+ isomeric state, a consequence of the quark structure of the nucleons.

doi: 10.1103/PhysRevLett.117.222302
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2016RO02      Phys.Rev. C 93, 014309 (2016)

O.J.Roberts, C.R.Nita, A.M.Bruce, N.Marginean, D.Bucurescu, D.Deleanu, D.Filipescu, N.M.Florea, I.Gheorghe, D.Ghita, T.Glodariu, R.Lica, R.Marginean, C.Mihai, A.Negret, T.Sava, L.Stroe, R.Suvaila, S.Toma, T.Alharbi, T.Alexander, S.Aydin, B.A.Brown, F.Browne, R.J.Carroll, K.Mulholland, Zs.Podolyak, P.H.Regan, J.F.Smith, M.Smolen, C.M.Townsley

E3 and M2 transition strengths in 20983Bi

NUCLEAR REACTIONS 208Pb(7Li, 2nα), E=32 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) fast timing technique, γ(θ) using RoSPHERE array at NIPNE, Bucharest accelerator facility. 209Bi; deduced levels, J, π, multipolarity, E3/M2 mixing ratio, B(M2), B(E3). Comparison of transition rates with theoretical calculations using shell model and theory of finite Fermi systems (FFS).

doi: 10.1103/PhysRevC.93.014309
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2015AL09      Acta Phys.Pol. B46, 601 (2015)

T.Alexander, and the AGATA Collaboration

Isomeric Ratios in 206Hg

NUCLEAR REACTIONS Be(208Pb, X)206Hg, E=1 GeV/nucleon; measured reaction products, Eγ, Iγ; deduced isomeric ratios, energy levels, J, π.

doi: 10.5506/APhysPolB.46.601
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2015XU11      Phys.Rev. C 92, 015807 (2015)

J.Xu, E.Shields, F.Calaprice, S.Westerdale, F.Froborg, B.Suerfu, T.Alexander, A.Aprahamian, H.O.Back, C.Casarella, X.Fang, Yo.K.Gupta, A.Ianni, E.Lamere, W.H.Lippincott, Q.Liu, S.Lyons, K.Siegl, M.Smith, W.Tan, B.Vande Kolk

Scintillation efficiency measurement of Na recoils in NaI(Tl) below the DAMA/LIBRA energy threshold

NUCLEAR REACTIONS Na, I(n, n'), E=690 keV pulsed beam; measured Na-recoil spectra, double-TOF spectrum for coincidence events of Na recoils, E(n), I(n), 127I excitation events at Notre Dame accelerator facility; deduced Na-recoil quenching factors, spectral fits of the DAMA/LIBRA modulation amplitudes to standard WIMP model. Comparison with other experimental results for Na-recoil quenching factors. Relevance to DAMA/LIBRA dark matter claims.

doi: 10.1103/PhysRevC.92.015807
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2014JO05      Phys.Rev. C 90, 021301 (2014)

P.R.John, V.Modamio, J.J.Valiente-Dobon, D.Mengoni, S.Lunardi, T.R.Rodriguez, D.Bazzacco, A.Gadea, C.Wheldon, T.Alexander, G.de Angelis, N.Ashwood, M.Barr, G.Benzoni, B.Birkenbach, P.G.Bizzeti, A.M.Bizzeti-Sona, S.Bottoni, M.Bowry, A.Bracco, F.Browne, M.Bunce, F.Camera, B.Cederwall, L.Corradi, F.C.L.Crespi, P.Desesquelles, J.Eberth, E.Farnea, E.Fioretto, A.Gorgen, A.Gottardo, J.Grebosz, L.Grente, H.Hess, A.Jungclaus, Tz.Kokalova, A.Korichi, W.Korten, A.Kusoglu, S.Lenzi, S.Leoni, J.Ljungvall, G.Maron, W.Meczynski, B.Melon, R.Menegazzo, C.Michelagnoli, T.Mijatovic, B.Million, P.Molini, G.Montagnoli, D.Montanari, D.R.Napoli, P.Nolan, C.Oziol, Zs.Podolyak, G.Pollarolo, A.Pullia, B.Quintana, F.Recchia, P.Reiter, O.J.Roberts, D.Rosso, E.Sahin, M.-D.Salsac, F.Scarlassara, M.Sferrazza, J.Simpson, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, Ch.Theisen, C.A.Ur, J.Walshe

Shape evolution in the neutron-rich osmium isotopes: Prompt γ-ray spectroscopy of 196Os

NUCLEAR REACTIONS 198Pt(82Se, X), E=426 MeV; measured Eγ, Iγ, γγ-, (84Kr)γ-coin using PRISMA spectrometer for fragments and AGATA array for γ rays at Tandem-ALPI-LNL accelerator facility. 196Os; deduced levels, J, π, γ-unstable/triaxial rotor yrast band. Comparison with state-of-the-art beyond-mean-field calculations.

NUCLEAR STRUCTURE 188,190,192,194,196,198Os; calculated particle number projected potential energy surfaces in (β2, γ) plane, level energies in the yrast bands using Gogny D1S interaction. State-of-the-art beyond-meanfield calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.021301
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2013MA66      Phys.Rev. C 88, 044301 (2013); see 2013MA74

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

NUCLEAR REACTIONS 186W(7Li, pα), E=35 MeV; measured Eγ, γγ-coin, T1/2 of first 2+ state by γγ(t) at IFIN-HH, Bucharest facility. 188W; deduced level, B(E2) for first 2+ state, enhanced γ softness in 188W. Systematics of energies of low-lying 0+, 2+ and 4+ states and B(E2) values for first 2+ states in even-even Hf, W, Os and Pt nuclei with N=102-120.

NUCLEAR STRUCTURE 184,186,188,190,192,194W; calculated Woods-Saxon potential energy surface (PES) contours in (β, γ) plane; deduced prolate to oblate shape transition.

doi: 10.1103/PhysRevC.88.044301
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2013MA74      Phys.Rev. C 88, 044301 (2013); see 2013MA66

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

doi: 10.1103/PhysRevC.88.044301
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2013RO07      Acta Phys.Pol. B44, 403 (2013)

O.J.Roberts, A.M.Bruce, F.Browne, N.Marginean, T.Alexander, T.Alharbi, D.Bucurescu, D.Deleanu, D.Delion, D.Filipescu, L.Fraile, I.Gheorghe, D.Ghita, T.Glodariu, D.Ivanova, S.Kisyov, R.Marginean, P.J.R.Mason, C.Mihai, K.Mulholland, A.Negret, C.Nita, B.Olaizola, S.Pascu, P.-A.Soderstrom, P.H.Regan, T.Sava, L.Stroe, S.Toma, C.Townsley

Half-life Measurements of Excited States in 132Te, 134Xe

NUCLEAR REACTIONS 130Te(7Li, X)132Te/134Xe, E=31.5 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, B(E2). Comparison with systematics.

doi: 10.5506/APhysPolB.44.403
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2008MY01      Phys.Rev. C 77, 035803 (2008)

S.Mythili, B.Davids, T.K.Alexander, G.C.Ball, M.Chicoine, R.S.Chakrawarthy, R.Churchman, J.S.Forster, S.Gujrathi, G.Hackman, D.Howell, R.Kanungo, J.R.Leslie, E.Padilla, C.J.Pearson, C.Ruiz, G.Ruprecht, M.A.Schumaker, I.Tanihata, C.Vockenhuber, P.Walden, S.Yen

Lifetimes of states in 19Ne above the 15O+α breakup threshold

NUCLEAR REACTIONS 3He(20Ne, α), E=34 MeV; measured Eγ, Iγ, γα-coin, α-spectra, lifetimes using Doppler Shift Attenuation Method; 19Ne; deduced levels, J, π. 15O(α, γ)19Ne; deduced reactions rates.

doi: 10.1103/PhysRevC.77.035803
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2006KA50      Phys.Rev. C 74, 045803 (2006)

R.Kanungo, T.K.Alexander, A.N.Andreyev, G.C.Ball, R.S.Chakrawarthy, M.Chicoine, R.Churchman, B.Davids, J.S.Forster, S.Gujrathi, G.Hackman, D.Howell, J.R.Leslie, A.C.Morton, S.Mythili, C.J.Pearson, J.J.Ressler, C.Ruiz, H.Savajols, M.A.Schumaker, I.Tanihata, P.Walden, S.Yen

Lifetime of 19Ne*(4.03 MeV)

NUCLEAR REACTIONS 3He(20Ne, α), E=34 MeV; measured Eγ, Iγ, (particle)γ-coin, DSA. 19Ne level deduced T1/2, decay width.

doi: 10.1103/PhysRevC.74.045803
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1997HA32      Phys.Rev. C56, 135 (1997)

E.Hagberg, I.S.Towner, T.K.Alexander, G.C.Ball, J.S.Forster, J.C.Hardy, J.G.Hykawy, V.T.Koslowsky, J.R.Leslie, H.-B.Mak, I.Neeson, G.Savard

Measurement of the l-Forbidden Gamow-Teller Branch of 37K

RADIOACTIVITY 37K(β+) [from 40Ca(p, α), E=15 MeV]; measured Eγ, Iγ, βγ-coin; deduced branching ratios, log ft. 37Ar deduced levels, l-forbidden Gamow-Teller strength.

doi: 10.1103/PhysRevC.56.135
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1994HA07      Nucl.Phys. A571, 555 (1994)

E.Hagberg, T.K.Alexander, I.Neeson, V.T.Koslowsky, G.C.Ball, G.R.Dyck, J.S.Forster, J.C.Hardy, J.R.Leslie, H.-B.Mak, H.Schmeing, I.S.Towner

Confirmation of the l-Forbidden Gamow-Teller Decay Branch of 39Ca

RADIOACTIVITY 39Ca(β+); measured Eγ, Iγ, γββ-coin; deduced ft values, β branching ratios. Hyperpure Ge detector, plastic scintillators.

doi: 10.1016/0375-9474(94)90225-9
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1993KO38      Phys.Rev. C48, 2375 (1993)

R.J.Komar, H.-B.Mak, J.R.Leslie, H.C.Evans, E.Bonvin, E.D.Earle, T.K.Alexander

3He(n, γ)4He Cross Section and the Photodisintegration of 4He

NUCLEAR REACTIONS 3He(n, γ), E=0.14-2 MeV; measured absolute σ(E) for θ=90°; deduced σ(γ, p)/σ(γ, n). 4He deduced charge symmetry breaking related features. Model comparison.

doi: 10.1103/PhysRevC.48.2375
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13590.


1992OU01      Phys.Rev.Lett. 69, 1896 (1992)

J.M.L.Ouellet, H.C.Evans, H.W.Lee, J.R.Leslie, J.D.MacArthur, W.McLatchie, H.-B.Mak, P.Skensved, J.L.Whitton, X.Zhao, T.K.Alexander

12C(α, γ)16O Cross Sections at Stellar Energies

NUCLEAR REACTIONS, ICPND 12C(α, γ), E(cm)=1.37-2.98 MeV; measured σ(E), Iγ(θ); deduced E1, E2 contributions, astrophysical S-factor. Three-level R-matrix method, cluster model analysis.

doi: 10.1103/PhysRevLett.69.1896
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1991AL06      Nucl.Phys. A526, 407 (1991)

T.K.Alexander, G.C.Ball, J.S.Forster, I.S.Towner, J.R.Leslie, H.-B.Mak, J.Johansson, J.A.Kuehner, J.C.Waddington

The l-Forbidden M1 Decay of the 2522 keV Level in 39K

NUCLEAR REACTIONS 4He(39K, α), E=100 MeV; measured Doppler shift attenuation, αγ-coin. 39K levels deduced T1/2, B(M1).

doi: 10.1016/0375-9474(91)90293-F
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1991FO10      Nucl.Instrum.Methods Phys.Res. B56/57, 821 (1991); see 1991Fo11

J.S.Forster, T.K.Alexander, D.Phillips, R.L.Tapping, T.Laursen, J.R.Leslie

In Situ NRA Studies of Hydrogen Ingress into Zr-2.5 wt.(Per Cent) Nb at the Liquid-Solid Interface

doi: 10.1016/0168-583X(91)95038-F
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1991FO11      Nucl.Instrum.Methods Phys.Res. B56/57, 821 (1991)

J.S.Forster, T.K.Alexander, D.Phillips, R.L.Tapping, T.Laursen, J.R.Leslie

In Situ NRA Studies of Hydrogen Ingress into Zr-2.5 wt.% at the Liquid-Solid Interface

NUCLEAR REACTIONS 2H(3He, p), E=1.9-2.1 MeV; measured proton spectra; deduced hydrogen ingress into Zr alloys at liquid-solid interface.

doi: 10.1016/0168-583X(91)95038-F
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1990RA23      Phys.Rev. C42, R2275 (1990)

T.J.Radcliffe, T.K.Alexander, G.C.Ball, H.C.Evans, J.R.Leslie, H.-B.Mak, W.McLatchie, P.Skensved, A.T.Stewart

Search for Resonances in the Electron-Positron Annihilation-in-Flight Cross Section between 1 and 4 MeV

NUCLEAR REACTIONS 19F(p, α), E=1.27 MeV; measured e+-spectra in Ge following 16O-decay; deduced e+e- annihilation-in-flight σ.

doi: 10.1103/PhysRevC.42.R2275
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1988AL05      Nucl.Phys. A477, 453 (1988)

T.K.Alexander, G.C.Ball, J.S.Forster, I.S.Towner, J.R.Leslie, H.-B.Mak

The l-Forbidden Magnetic Dipole Transition in A = 39

NUCLEAR REACTIONS 3He(40Ca, α), E=110 MeV; measured DSA, αγ-coin. 39Ca levels deduced T1/2, B(M1), single-particle operator normalizations.

doi: 10.1016/0375-9474(88)90351-X
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1987GA12      Nucl.Phys. A470, 230 (1987)

J.Gascon, F.Banville, P.Taras, D.Ward, T.K.Alexander, H.R.Andrews, G.C.Ball, D.Horn, D.C.Radford, J.C.Waddington, A.Christy

Constant Transition Quadrupole Moments in 174Os up to Spin 20(h-bar)

NUCLEAR REACTIONS 51V(127I, 4n), E ≈ 610 MeV; measured Eγ, Iγ, recoil distance. 174Os deduced levels, J, π, T1/2, yrast level transition quadrupole moments, B(E2).

doi: 10.1016/0375-9474(87)90130-8
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1987PA07      Phys.Rev. C35, 1119 (1987)

S.A.Page, H.C.Evans, G.T.Ewan, S.-P.Kwan, J.R.Leslie, J.D.MacArthur, W.McLatchie, P.Skensved, S.-S.Wang, H.-B.Mak, A.B.McDonald, C.A.Barnes, T.K.Alexander, E.T.H.Clifford

Weak Pion-Nucleon Coupling Strength: New constraint from parity mixing in 18F

NUCLEAR REACTIONS 16O(3He, p), E=4.05 MeV; measured γ CP; deduced weak pion-nucleon coupling strength. 19F levels deduced parity mixing.

doi: 10.1103/PhysRevC.35.1119
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1985AL18      Nucl.Phys. A444, 285 (1985)

T.K.Alexander, G.C.Ball, D.Horn, J.S.Forster, I.V.Mitchell, H.-B.Mak

Lifetime Measurements of Levels in 34Ar: Isoscalar and isovector matrix elements for E2 analogue transitions

NUCLEAR REACTIONS 3He(32S, n), E=80 MeV; measured DSA, nγ-coin. 34Ar levels, deduced T1/2, B(E2). Implanted 3He targets.

doi: 10.1016/0375-9474(85)90351-3
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1985AL21      Nucl.Phys. A445, 189 (1985)

T.K.Alexander, B.Castel, I.S.Towner

Neutron and Proton Polarization Charges from E2 Mirror Transitions

NUCLEAR STRUCTURE 17,18O, 17,19F, 18,19,20,22Ne, 22,24,25,26Mg, 25,27Al, 26,27,28,29,30Si, 29P, 30,32,33,34S, 34,36,38Ar, 38Ca; analyzed data; deduced E2 effective charges. Schematic model.

doi: 10.1016/0375-9474(85)90067-3
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1985EV03      Phys.Rev.Lett. 55, 791 (1985)

H.C.Evans, G.T.Ewan, S.-P.Kwan, J.R.Leslie, J.D.MacArthur, H.-B.Mak, W.McLatchie, S.A.Page, P.Skensved, S.-S.Wang, A.B.McDonald, C.A.Barnes, T.K.Alexander, E.T.H.Clifford

Parity Mixing of 0+ and 0- Levels in 18F

NUCLEAR REACTIONS 16O(3He, p), E=4.05 MeV; measured Eγ, Iγ, γ CP; deduced weak pion-nucleon coupling constant. 18F transition deduced parity nonconserving matrix element.

doi: 10.1103/PhysRevLett.55.791
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1985MA32      Phys.Rev. C32, 314 (1985)

J.D.MacArthur, S.-P.Kwan, H.-B.Mak, W.McLatchie, S.A.Page, S.-S.Wang, T.K.Alexander

Experimental Evidence Against the Proposed Band Based on a Shape Isomer in 32S

NUCLEAR REACTIONS 28Si(α, γ), E=1.76-3.82 MeV; σ(Eγ, E), γ yield, γ(θ). 32S level deduced J, π, B(λ).

doi: 10.1103/PhysRevC.32.314
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1984AL24      Nucl.Phys. A427, 526 (1984)

T.K.Alexander, G.C.Ball, W.N.Lennard, H.Geissel, H.-B.Mak

Measurement of the Absolute Cross Section of the 3He(4He, γ)7Be Reaction at E(c.m.) = 525 keV

NUCLEAR REACTIONS, ICPND 3He(α, γ), E=1.3 MeV; measured capture yield, absolute σ, Eγ, Iγ, γ-branching ratio; deduced zero-energy cross section factor. Target implantation in Nb.

doi: 10.1016/0375-9474(84)90229-X
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA1241.


1984EV01      Can.J.Phys. 62, 1139 (1984)

H.C.Evans, I.P.Johnstone, J.R.Leslie, W.McLatchie, H.-B.Mak, P.Skensved, T.K.Alexander

The Branching Ratio in the Decay of 7Be

RADIOACTIVITY 7Be(EC) [from 10B(p, α), E=2 MeV]; measured Eγ, Iγ; deduced vector coupling constant G(A). 7Li level deduced EC-branching ratio.

NUCLEAR REACTIONS 10B(p, α), E=2 MeV; measured Eγ, Iγ, recoil σ(E(7Be)), σ(Eα). 7Li level deduced EC-decay branching ratio.

doi: 10.1139/p84-158
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1983KO18      Nucl.Phys. A403, 155 (1983)

R.L.Kozub, D.J.Fields, C.B.Chitwood, Jr., T.K.Alexander, G.C.Ball, J.S.Forster, H.-B.Mak, W.McLatchie

Lifetimes of Levels in 25Na and 26,27Mg Excited via the 26Mg Bombardment of 3H

NUCLEAR REACTIONS 3H(26Mg, α), (26Mg, t), (26Mg, d), E=40 MeV; measured Doppler broadened lineshapes, (particle)γ-coin. 25Na, 26,27Mg levels deduced T1/2. Compared to shell model calculations.

doi: 10.1016/0375-9474(83)90194-X
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1982AL15      Phys.Lett. 113B, 132 (1982)

T.K.Alexander, G.C.Ball, W.G.Davies, J.S.Forster, I.V.Mitchell, H.-B.Mak

Lifetime Measurements of Levels in 26Si and the Ratio of Neutron to Proton Transition Amplitudes for Mirror Nuclei

NUCLEAR REACTIONS 3He(24Mg, n), E=50 MeV; measured γγ-coin, DSA. 26Si levels deduced T1/2, B(E2), neutron to proton transition matrix elements. 18O, 26Mg transitions deduced isocalar transition strengths, neutron to proton transition matrix elements. Electromagnetic transition, pion scattering data input.

doi: 10.1016/0370-2693(82)90409-9
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1982AL22      Phys.Rev.Lett. 49, 438 (1982)

T.K.Alexander, G.C.Ball, J.S.Forster, W.G.Davies, I.V.Mitchell, H.-B.Mak

Lifetimes of Levels of 30S and the Variation of E2 Transition Strengths with T(z) and A

NUCLEAR REACTIONS 3He(28Si, n), E=60 MeV; measured DSA. 30S levels deduced T1/2. 30Si, 30P, 30S deduced E2 transition strength vs T(z), mass.

doi: 10.1103/PhysRevLett.49.438
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1982BA06      Nucl.Phys. A377, 268 (1982)

G.C.Ball, T.K.Alexander, W.G.Davies, J.S.Forster, I.V.Mitchell

A DBLA Measurement of the Lifetime of the First Excited Level in 18O and a Critical Comparison of Lifetime Results by Different Methods

NUCLEAR REACTIONS 4He(18O, α), E=34 MeV; 1H(18O, p), E=47 MeV; measured DSA, (particle)γ-coin. 18O level deduced T1/2, B(E2).

doi: 10.1016/0375-9474(82)90333-5
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1982BA40      Nucl.Phys. A386, 333 (1982)

G.C.Ball, T.K.Alexander, W.G.Davies, J.S.Forster, I.V.Mitchell, J.Keinonen, H.B.Mak

Lifetimes of Low-Lying Levels in 18F

NUCLEAR REACTIONS 3He(16O, p), E=19.4 MeV; measured DSA, pγ-coin. 18F levels deduced T1/2.

doi: 10.1016/0375-9474(82)90116-6
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1982HA22      Nucl.Phys. A379, 287 (1982)

O.Hausser, H.E.Mahnke, T.K.Alexander, H.R.Andrews, J.F.Sharpey-Schafer, M.L.Swanson, D.Ward, P.Taras, J.Keinonen

Quadrupole Moments of Yrast Isomers in 144, 147, 148Gd

NUCLEAR REACTIONS 120,124Sn(28Si, xn), E=108-144 MeV; measured Iγ(θ, H, t) vs T. 144,147,148Gd levels deduced quadrupole moment, tentative J, deformation. Pulsed beam, Ge(Li) detectors, recoil implantation into Gd.

doi: 10.1016/0375-9474(82)90394-3
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1981HA17      Nucl.Phys. A362, 254 (1981)

B.Haas, D.Ward, H.R.Andrews, O.Hausser, A.J.Ferguson, J.F.Sharpey-Schafer, T.K.Alexander, W.Trautmann, D.Horn, P.Taras, P.Skensved, T.L.Khoo, R.K.Smither, I.Ahmad, C.N.Davids, W.Kutschera, S.Levenson, C.L.Dors

Yrast Isomers and very High Spin States in 148, 149, 151, 152Dy and 147Gd

NUCLEAR REACTIONS 120,122,124Sn(32S, xn), (34S, xn), E=129-165 MeV; 124Sn(28Si, 5n), E=110-149 MeV; 142Nd(12C, xn), E=56-61 MeV; measured γγ-coin, γγ(θ), γ(θ), γ(θ, t), linear polarization, recoil. 148,149,151,152Dy, 147Gd deduced levels, J, π, δ, T1/2, E2 transition strengths. Pulsed beam, Ge(Li) detectors, NaI(Tl) array, plunger, polarimeter.

doi: 10.1016/0375-9474(81)90680-1
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1981KE04      Phys.Rev. C23, 2073 (1981)

J.Keinonen, H.-B.Mak, T.K.Alexander, G.C.Ball, W.G.Davies, J.S.Forster, I.V.Mitchell

Lifetime of the 1.04 MeV State in 18F, Measured through the Inverse Reaction 3He(16O, p)18F

NUCLEAR REACTIONS 3He(16O, p), E=15.9 MeV; measured DSA, pγ-coin. 18F level deduced T1/2. He-ion implanted in thin Al, Nb, Zr foils, Ge(Li) detectors.

doi: 10.1103/PhysRevC.23.2073
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1981WA04      Phys.Lett. 99B, 378 (1981)

D.Ward, J.F.Sharpey-Schafer, T.K.Alexander, H.R.Andrews, O.Hausser, J.Keinonen

Remeasurement of Lifetimes for High Spin States in 154Er

NUCLEAR REACTIONS 126Te(32S, 4n), E=130-150, 155 MeV; measured Eγ, Iγ, recoil, σ(Eγ). 154Er deduced levels, γ-branching, T1/2, B(E2), yrast state configuration. Ge(Li), NaI(Tl)detectors.

doi: 10.1016/0370-2693(81)90552-9
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1980BA40      Nucl.Phys. A349, 271 (1980)

G.C.Ball, O.Hausser, T.K.Alexander, W.G.Davies, J.S.Foster, I.V.Mitchell, J.R.Beene, D.Horn, W.McLatchie

Electric Quadrupole Moments of the First Excited States of 28Si, 32S and 34S

NUCLEAR REACTIONS 4He(32S, α), (34S, α), E=70 MeV; measured Doppler-broadened line shapes, αγ(t). 32,34S levels deduced T1/2. 208Pb(28Si, 28Si'), E=105 MeV; 208Pb(32S, 32S'), (34S, 34S'), E=122 MeV; measured σ(θ, E(28Si)), σ(θ, E(32S)), σ(θ, E(34S)), Coulomb excitation. 32,34S, 28Si level deduced static quadrupole moment, B(E2). Enriched targets.

doi: 10.1016/0375-9474(80)90454-6
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1980HA02      Phys.Rev.Lett. 44, 132 (1980)

O.Hausser, H.-E.Mahnke, J.F.Sharpey-Schafer, M.L.Swanson, P.Taras, D.Ward, H.R.Andrews, T.K.Alexander

Quadrupole Moment of a High-Spin Yrast Trap in 147Gd

NUCLEAR REACTIONS 124Sn(28Si, 5nγ), E=144 MeV; measured γ(θ, t), oriented nuclei, quadrupole interactions. 147Gd levels deduced quadrupole moments, quasiparticle configuration, β. Pulsed beam.

doi: 10.1103/PhysRevLett.44.132
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1980HA52      Hyperfine Interactions 8, 271 (1980)

O.Hausser, D.Ward, T.K.Alexander, H.R.Andrews, W.J.L.Buyers, H.-E.Mahnke, J.F.Sharpey-Schafer, P.Skensved, M.L.Swanson, P.Taras

The Electric Field Gradient for Gd in Gadolinium Metal

NUCLEAR REACTIONS 120Sn(28Si, 4n), E=130 MeV; measured γ(θ, H), recoil in Gd host. 144Gd deduced temperature dependence of electric field gradient in Gd above Curie point. 156,158,160Gd(α, α'), E=6 MeV; measured Coulomb excitation, Iγ; deduced electric field gradient for Gd in Gd.


1979AL01      Nucl.Phys. A313, 425 (1979)

T.K.Alexander, G.C.Ball, W.G.Davies, J.S.Forster

Lifetime of the 6+ Member of the Ground-State in 22Ne

NUCLEAR REACTIONS 4He(19F, pγ), E=41 MeV; measured pγ-coin, Doppler-shift attenuation. 22Ne levels deduced T1/2, B(λ).

doi: 10.1016/0375-9474(79)90510-4
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1979FO02      Nucl.Phys. A313, 397 (1979)

J.S.Forster, T.K.Alexander, G.C.Ball, W.G.Davies, I.V.Mitchell, K.B.Winterbon

Lifetime Measurements in 22Ne, 28Si and 31P Relevant to the Interpretation of the Z2 Variation in Low Velocity DSAM Results

NUCLEAR REACTIONS 4He(19F, p), E=23.25, 28.5 MeV; 4He(28Si, α), (28Si, p), E=55 MeV; measured Doppler broadened lineshapes, particle-γ-coin. 22Ne, 28Si, 31P levels deduced T1/2.

doi: 10.1016/0375-9474(79)90509-8
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1979HA15      Phys.Rev.Lett. 42, 1451 (1979)

O.Hausser, P.Taras, W.Trautmann, D.Ward, T.K.Alexander, H.R.Andrews, B.Haas, D.Horn

g Factors of High-Spin Yrast Traps in 146,147Gd

NUCLEAR REACTIONS 120,122,124Sn(28Si, xn), E=108-144 MeV; 144Sm(α, xn), E=30 MeV; measured γγ(θ, H, t) in Sn, Sm, Pb. 144,146,147,148Gd levels deduced T1/2, g, configuration. Paramagnetic correction, pulsed beam. Enriched targets.

doi: 10.1103/PhysRevLett.42.1451
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1979HO06      Nucl.Phys. A317, 520 (1979)

D.Horn, O.Hausser, B.Haas, T.K.Alexander, T.Faestermann, H.R.Andrews, D.Ward

High Spin Yrast States in N = 126 Isotones

NUCLEAR REACTIONS 204Hg, 205Tl, 206Pb(13C, 5nγ), E=72-86 MeV; measured Iγ(E, t), Iγ(θ, H, t), γγ(t), γX(t), Iγ(θ), linear polarization (γ). 212Rn, 213Fr, 214Ra deduced T1/2, g, level sequences, J, π, B(E3). Pulsed beam, enriched thick targets. Ge(Li) detectors.

doi: 10.1016/0375-9474(79)90496-2
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1979MA37      Phys.Lett. 88B, 48 (1979)

H.-E.Mahnke, T.K.Alexander, H.R.Andrews, O.Hausser, P.Taras, D.Ward, E.Dafni, G.D.Sprouse

Quadrupole Moments of the 12+ States in 206Pb and 200Pb

NUCLEAR REACTIONS 204,198Hg(α, 2n), E=33 MeV; measured γ(θ, H, t). 206,200Pb levels deduced quadrupole moments, T1/2, B(E2).

doi: 10.1016/0370-2693(79)90110-2
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1979SJ01      Phys.Rev. C20, 960 (1979)

T.P.Sjoreen, U.Garg, D.B.Fossan, J.R.Beene, T.K.Alexander, E.D.Earle, O.Hausser, A.B.McDonald

High-Spin States in the Odd-Odd Nucleus 212At

NUCLEAR REACTIONS 208Pb(7Li, 3n), E=32-44 MeV; measured Eγ, Iγ, γγ-coin, γ(θ, H, t), γ(t), Iγ(θ). 212At deduced levels, J, π, T1/2, g, δ, B(λ), configurations.

doi: 10.1103/PhysRevC.20.960
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1978AL06      Phys.Lett. 74B, 183 (1978)

T.K.Alexander, J.S.Forster, G.C.Ball, W.G.Davies, K.B.Winterbon

Z1 and Z2 Variations in the Stopping Powers of Z1 = 10 to 18 Ions Deduced from DSAM Lifetime Measurements

NUCLEAR STRUCTURE 22Ne, 22Na, 24Mg, 27Al, 30Si, 31P, 34S, 38Ar; analyzed T1/2 (level) data, stopping power effects.

doi: 10.1016/0370-2693(78)90548-8
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1978BE17      Phys.Rev. C17, 1359 (1978)

J.R.Beene, O.Hausser, T.K.Alexander, A.B.McDonald

Electromagnetic Properties of Particle-Vibration Coupling States in 209Bi

NUCLEAR REACTIONS 208Pb(7Li, 2nαγ), E=36 MeV; measured Eγ, γγ-coin, γ(θ, H, t). 209Bi deduced levels, J, π, T1/2, g, δ. Ge(Li) detectors.

doi: 10.1103/PhysRevC.17.1359
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1978FA17      Hyperfine Interactions 4, 216 (1978)

T.Faestermann, O.Hausser, D.Ward, H.R.Andrews, T.K.Alexander, D.Horn, T.L.Khoo

g-Factor for the K = 6, Jπ = 6+ Isomer in 178Hf

NUCLEAR REACTIONS 176Yb(α, 2n), E=27 MeV; measured Eγ, Iγ(θ, H, t). 178Hf deduced isomeric state g factor. Time-differential perturbed angular distribution technique.

doi: 10.1007/BF01021828
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1978HA07      Phys.Lett. 73B, 127 (1978)

O.Hausser, T.K.Alexander, T.Faestermann, D.Horn, D.Ward, H.R.Andrews, I.S.Towner

Magnetic Moments of Jπ = 19/2- Mirror States in 43Ti and 43Sc

NUCLEAR REACTIONS 40Ca(α, n), (α, p), E=21 MeV; measured γ(θ, H, t). 43Ti, 43Sc levels deduced T1/2, g.

doi: 10.1016/0370-2693(78)90815-8
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1978HA50      Hyperfine Interactions 4, 219 (1978)

O.Hausser, J.R.Beene, T.Faestermann, T.K.Alexander, D.Horn, A.B.McDonald, A.J.Ferguson

Knight Shifts and Absolute Magnetic Moments in Trans-Bismuth Nuclei

NUCLEAR REACTIONS 204Hg(13C, 5n), E=78 MeV; measured σ(θ, H, t); deduced Knight shift for Rn in Hg. 212Rn deduced levels, configuration, g, γ-branching, γ-multipolarity. 214Ra, 212,213Fr, 207Rn level deduced g.


1978HA52      Hyperfine Interactions 4, 196 (1978)

O.Hausser, T.Faestermann, I.S.Towner, T.K.Alexander, H.R.Andrews, J.R.Beene, D.Horn, D.Ward, C.Broude

Magnetic Moments of N = 48-50 Nuclei and Proton Core Polarization

RADIOACTIVITY 90m,88mZr, 91m,90mNb, 93mTc, 90m,91m,92mMo, 94mRu, 86mSr; measured g; deduced core polarization. Heavy ion induced reactions, evaporation residues, transient field techniques.


1978SP09      Hyperfine Interactions 4, 229 (1978)

G.D.Sprouse, O.Hausser, H.R.Andrews, T.Faestermann, J.R.Beene, T.K.Alexander

Static Quadrupole Moments in Cd Isotopes

NUCLEAR REACTIONS 92,94,96Zr(16O, 3n), E=56-68 MeV; 111Cd(16O, 16O'), E=56-68 MeV; measured γ(θ, H, t). 111,109,107,105Cd levels deduced static quadrupole moments.

doi: 10.1007/BF01021832
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1977BE56      Hyperfine Interactions 3, 397 (1977)

J.R.Beene, O.Hausser, A.B.McDonald, T.K.Alexander, A.J.Ferguson, B.Herskind

Knight Shifts and Absolute Magnetic Moments of (h9/2)n Proton States in Trans-Bismuth Nuclei

NUCLEAR REACTIONS 205Tl, 206Pb(12C, 4nγ), E=78 MeV; 203Tl(13C, 4nγ), E=78 MeV; measured Eγ, γγ-coin, γ(θ, H, t). 212,213Fr deduced levels, J, π, T1/2, g, Knight shift. 214Ra level deduced T1/2, Knight shift.


1977HO17      Phys.Rev.Lett. 39, 389 (1977)

D.Horn, O.Hausser, T.Faestermann, A.B.McDonald, T.K.Alexander, J.R.Beene, C.J.Herrlander

Core-Excited High-Spin Isomers in 212Rn

NUCLEAR REACTIONS 204Hg(13C, 5n), E=72-85 MeV; measured Iγ(E, t), γγ-coin, γ(θ), linear polarization. 212Rn deduced levels, J, π, T1/2, λ, δ, g.

doi: 10.1103/PhysRevLett.39.389
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1977LO10      Nucl.Instrum.Methods 143, 331 (1977)

M.A.Lone, C.B.Bigham, J.S.Fraser, H.R.Schneider, T.K.Alexander, A.J.Ferguson, A.B.McDonald

Thick Target Neutron Yields and Spectral Distributions from the 7Li(dp, n) and 9Be(dp, n) Reactions

NUCLEAR REACTIONS 7Li, 9Be(p, n), (d, n), E=15, 18, 23 MeV; measured thick target yields.

doi: 10.1016/0029-554X(77)90616-4
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1837.


1977MC08      Nucl.Phys. A287, 189 (1977)

A.B.McDonald, T.K.Alexander, J.R.Beene, J.C.Hardy, K.P.Jackson, H.B.Mak

Search for a 0+ Level Near the 8.87 Mev, 2- Level of 16O

NUCLEAR REACTIONS 4He(12C, α), 6.76 < E < 7.0 MeV; measured excitation functions. 16O deduced no resonance. Differentially pumped target.

doi: 10.1016/0375-9474(77)90571-1
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1977MC10      Nucl.Phys. A288, 529 (1977)

A.B.McDonald, T.K.Alexander, J.R.Beene, H.B.Mak

The Low Solar Neutrino Flux: A Search for a Resonance in 6Be

NUCLEAR REACTIONS 4He(3He, n), E=38.61 MeV; measured σ(θ), neutron tof.

doi: 10.1016/0375-9474(77)90348-7
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1977RO03      Can.J.Phys. 55, 206 (1977)

D.W.O.Rogers, N.Anyas-Weiss, S.P.Dolan, N.A.Jelley, T.K.Alexander

Gamma Decay of the T = 3/2 States in 25Al

NUCLEAR REACTIONS 24Mg(p, γ), E ≈ 6 MeV; measured σ(E, Eγ, θ). 25Al resonances deduced J, π, Γγ.

doi: 10.1139/p77-029
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1976CO02      Nucl.Phys. A256, 277 (1976)

G.J.Costa, T.K.Alexander, J.S.Forster, A.B.McDonald, I.S.Towner

Recoil-Distance Lifetime Measurements of Levels in 36Ar and 36Cl

NUCLEAR REACTIONS 2H(35Cl, n), 2H(35Cl, p), E=60 MeV; measured Eγ, Iγ, recoil distance. 36Cl levels deduced T1/2, γ-branching, B(λ). 36Ar levels deduced, T1/2, B(λ).

doi: 10.1016/0375-9474(76)90109-3
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1976CO11      J.Phys.(London) G2, 131 (1976)

B.E.Cooke, R.L.Kozub, W.McLatchie, T.K.Alexander, J.S.Forster, C.Broude, J.R.Beene

Lifetimes of Levels in 36,37Cl and 34S Excited by the 35Cl Bombardment Of 3H

NUCLEAR REACTIONS 3H(35Cl, pγ), (35Cl, dγ), (35Cl, αγ), E=55 MeV; measured recoil distance, particle γ-coin. 37,36Cl, 34S levels deduced T1/2.

doi: 10.1088/0305-4616/2/2/009
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1976HA37      Phys.Lett. 63B, 279 (1976)

O.Hausser, J.R.Beene, A.B.McDonald, T.K.Alexander, E.D.Earle, F.C.Khanna, I.S.Towner, G.A.Beer, A.Olin

Precise Magnetic Moments of (h9/2)n Proton States

NUCLEAR REACTIONS 205Tl(12C, 4n), E=71-80 MeV; measured γγ(θ, H, t). Fr, Ra recoils in Tl Knight shift. 213Fr deduced levels, T1/2, B(λ), g. 214Ra level deduced g.

doi: 10.1016/0370-2693(76)90263-X
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1976HA44      Phys.Lett. 64B, 273 (1976)

O.Hausser, J.R.Beene, T.K.Alexander, A.B.McDonald, T.Faestermann

Isomeric Yrast States in 206Tl

NUCLEAR REACTIONS 204Hg(7Li, nαγ), E=37 MeV; measured γ(t), γγ(t), γγ(θ, H, t). 206Tl deduced levels, T1/2, g.

doi: 10.1016/0370-2693(76)90199-4
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1976HA56      Nucl.Phys. A273, 253 (1976)

O.Hausser, T.K.Alexander, J.R.Beene, E.D.Earle, A.B.McDonald, F.C.Khanna, I.S.Towner

Magnetic Moments and Half-Lives of Isomeric States in Polonium Isotopes

NUCLEAR REACTIONS 206,207,208Pb(α, 2n), E=35-30 MeV; 194Pt(12C, 4n), E=80 MeV; measured Iγ(γ, H, t). 202,208,209,210Po levels deduced g, T1/2. 209Bi deduced quadrupole moment. Natural Pb, enriched 194Pt targets. Ge(Li) detectors.

RADIOACTIVITY 210At; measured γγ(t). 210Po levels deduced T1/2.

doi: 10.1016/0375-9474(76)90312-2
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1976HA62      Hyperfine Interactions 2, 334 (1976)

O.Hausser, T.K.Alexander, J.R.Beene, E.D.Earle, A.B.McDonald, F.C.Khanna, I.S.Towner

Measurements of Accurate g-Factors in Translead Nuclei with Heavy-Ion Induced Reactions


1976MC02      Nucl.Phys. A258, 152 (1976)

A.B.McDonald, T.K.Alexander, C.Broude, J.S.Forster, O.Hausser, F.C.Khanna, I.V.Mitchell

Lifetime of the 1.89 MeV 2+ Level of 18Ne: Two-Body Contributions to E2 Transition Rates

NUCLEAR REACTIONS 3He(16O, nγ), E=38 MeV; measured nγ-coin, Doppler broadened line shape. 18Ne level deduced T1/2, B(E2).

doi: 10.1016/0375-9474(76)90536-4
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1976MC10      Nucl.Phys. A273, 451 (1976)

A.B.McDonald, T.K.Alexander, O.Hausser, D.Disdier, E.G.Adelberger, H.B.Mak, A.P.Shukla, A.V.Nero

Isospin-Forbidden Particle Decays in Light Nuclei (I). T = 3/2 Levels of 9Be, 9B

NUCLEAR REACTIONS 7Li(3He, n), (3He, p), E=8.25 11 MeV; measured np-, pn-coin. 9Be deduced Γn/Γ. 9B deduced Γp/Γ. Enriched target.

doi: 10.1016/0375-9474(76)90603-5
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1976MC11      Nucl.Phys. A273, 464 (1976)

A.B.McDonald, T.K.Alexander, O.Hausser

Isospin-Forbidden Particle Decays in Light Nuclei (II). Widths of T = 3/2 Levels of 17O

NUCLEAR REACTIONS 13C(α, n), E=4.2-8.7 MeV; measured σ(E, En, θ). 17O deduced T=3/2 levels, Γ. Enriched target.

doi: 10.1016/0375-9474(76)90604-7
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1975MA34      Phys.Rev. C12, 1158 (1975)

H.-B.Mak, H.C.Evans, G.T.Ewan, A.B.McDonald, T.K.Alexander

Radiative Decay of the Second Excited State of 12C

NUCLEAR REACTIONS 13C(3He, α), E=4.0 MeV; measured α-12C coin. 12C level deduced Γ(rad)/Γ. Enriched target.

doi: 10.1103/PhysRevC.12.1158
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1974AL07      Phys.Rev. C9, 1748 (1974)

T.K.Alexander, G.J.Costa, J.S.Forster, O.Hausser, A.B.McDonald, A.Olin, W.Witthuhn

Magnetic Moment of the 97-ps, Iπ = 3- Level in 14C

NUCLEAR REACTIONS 3H(12C, p), E=21 MeV; measured γ(θ, t), recoil distance. 14C level deduced T1/2, g.

doi: 10.1103/PhysRevC.9.1748
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1974MC17      Can.J.Phys. 52, 1381 (1974)

A.B.McDonald, T.K.Alexander, O.Hausser, G.J.Costa, J.S.Forster, A.Olin

Lifetimes of Low Lying Levels of 18O, 18Ne

NUCLEAR REACTIONS 3H(16O, pγ), E=25 MeV; measured Eγ, Iγ, recoil distance. 16O(3He, nγ), E=7.5, 9 MeV; measured Eγ, Iγ, nγ-coin, DSA. 18O, 18Ne levels deduced T1/2.

doi: 10.1139/p74-184
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1974OL02      Nucl.Phys. A221, 555 (1974)

A.Olin, O.Hausser, T.K.Alexander, A.J.Ferguson, W.Witthuhn

Static Moments of the First Excited States of 32,34S and 204,206Pb

NUCLEAR REACTIONS 204Pb(32S, 32S'γ), E=100, 112.5, 125 MeV; 206Pb(34S, 34S'γ), E=122 MeV; measured σ(E, θ(p), θ(γ), phi(γ)). 32,34S, 204Pb levels deduced B(E2), quadrupole moment. 204,206Pb levels deduced g. NaI(Tl) detectors. Enriched targets.

doi: 10.1016/0375-9474(74)90482-5
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1974RO27      Nucl.Phys. A226, 424 (1974)

D.W.O.Rogers, J.A.Becker, T.K.Alexander, N.Anyas-Weiss, T.A.Belote, S.P.Dolan, N.A.Jelley, W.L.Randolph

The Electromagnetic Decay of 17N

NUCLEAR REACTIONS 11B(7Li, pγ), E=6.0 MeV; measured Eγ, I(θ), γp-coin. 17N deduced E(X), γ-branching ratios, T1/2, J, π.

doi: 10.1016/0375-9474(74)90493-X
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1973AN01      Nucl.Phys. A201, 513 (1973)

N.Anyas-Weiss, R.Griffiths, N.A.Jelley, W.Randolph, J.Szucs, T.K.Alexander

Lifetimes in 22Ne, 22Na, 30Si, 30P and 35Cl Using the Recoil-Distance Method

NUCLEAR REACTIONS 19F(α, p), 19F(α, n), 27Al(α, p), 27Al(α, n), 32S(α, p), E=5.5, 8.6 MeV; measured recoil distance. 22Ne, 22Na, 30Si, 30P, 35Cl levels deduced T1/2. Natural targets.

doi: 10.1016/0375-9474(73)90317-5
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1973GR19      Phys.Rev. C8, 168 (1973)

R.Griffiths, T.K.Alexander, N.Anyas-Weiss, W.L.Randolph, J.Szucs

Lifetime of the 2542-keV Level in 40K

NUCLEAR REACTIONS 37Cl(α, nγ), E approx 3.878 MeV; 35Cl(α, pγ), E=8 MeV; measured recoil-distance. 38Ar, 40K level deduced T1/2.

doi: 10.1103/PhysRevC.8.168
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1973HA32      Phys.Rev.Lett. 31, 323 (1973)

O.Hausser, W.Witthuhn, T.K.Alexander, A.B.McDonald, J.C.D.Milton, A.Olin

Short-Lived α Emitters of Thorium; New Isotopes 218-220Th

NUCLEAR REACTIONS 204,206,207,208Pb(16O, 3nα), (16O, 4nα); measured Iα(t), Eα. 218,219,220Th deduced T1/2, Qα.

doi: 10.1103/PhysRevLett.31.323
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1973HA47      Nucl.Phys. A212, 613 (1973)

O.Hausser, A.B.McDonald, T.K.Alexander, A.J.Ferguson, R.E.Warner

E1 Polarization in Coulomb Excitation of 7Li

NUCLEAR REACTIONS 208Pb(7Li, 7Li'γ), E=18-30 MeV; measured σ(E;E(7Li)', Eγ, θ). 7Li levels deduced E1 interference effects, B(E2); enriched targets.

doi: 10.1016/0375-9474(73)90826-9
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1973HA63      Nucl.Phys. A216, 617 (1973)

O.Hausser, T.K.Alexander, D.L.Disdier, A.J.Ferguson, A.B.McDonald, I.S.Towner

Alpha-Decay Widths in 20Ne

NUCLEAR REACTIONS 16O(α, α), (α, α'), E approx 4.6 MeV, 14.1-17.1 MeV; measured σ(Eα, θ(α)). 20Ne deduced levels, J, π, α-widths. Natural targets.

doi: 10.1016/0375-9474(73)90174-7
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1973OL05      Phys.Rev. D8, 1633 (1973)

A.Olin, T.K.Alexander, O.Hausser, A.B.McDonald

Measurement of the Relativistic Doppler Effect Using 8.6-MeV Capture γ Rays

NUCLEAR REACTIONS 4He(16O, γ), E=27.65-27.75 MeV; measured DSA; deduced relativistic time-dilation effect.

doi: 10.1103/PhysRevD.8.1633
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1973SZ05      Nucl.Phys. A212, 293 (1973)

J.Szucs, B.Y.Underwood, T.K.Alexander, N.Anyas-Weiss

Gamma-Decay of the Lowest T = 2 State of 24Mg

NUCLEAR REACTIONS 23Na(p, γ), E approx 3905 keV; measured omegaγ of t=2 state. 24Mg deduced levels, t, γ branching ratios.

doi: 10.1016/0375-9474(73)90565-4
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1973WA10      Phys.Rev. C7, 1120 (1973)

E.K.Warburton, J.W.Olness, G.A.P.Engelbertink, T.K.Alexander

Doppler-Shift Attenuation Measurements of Lifetimes for (2s-1d)-Shell Nuclei Excited by Heavy-Ion Bombardment of 2H

NUCLEAR REACTIONS 2H(18O, pγ), E=26.2 MeV; 2H(19F, pγ), E=24.6 MeV; 2H(32S, pγ), (32S, nγ), E=54.6 MeV; 2H(34S, pγ), (34S, nγ), E=59.6 MeV; 2H(35Cl, pγ), (35Cl, nγ), E=57.4 MeV; 2H(37Cl, pγ), E=57.4 MeV; measured Eγ, Iγ, Doppler shift attenuation. 19O, 20F, 33S, 33Cl, 35S, 35Cl, 36Cl, 36Ar, 38Cl levels deduced T1/2.

doi: 10.1103/PhysRevC.7.1120
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1972AL05      Nucl.Phys. A179, 477 (1972)

T.K.Alexander, O.Hausser, A.B.McDonald, A.J.Ferguson, W.T.Diamond, A.E.Litherland

A Measurement of the Radiative Width of the 8+ 11.948 MeV Level of 20Ne

NUCLEAR REACTIONS 4He(16O, γ), E approx 36 MeV; measured omegaγ. 20Ne deduced E2 transition strength. He gas target.

doi: 10.1016/0375-9474(72)90384-3
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1972AL28      Can.J.Phys. 50, 2198 (1972)

T.K.Alexander, O.Hausser, A.B.McDonald, G.T.Ewan

The Lifetimes of the 3/2+, 975 keV Level in 25Mg and the 3/2+, 945 keV Level in 25Al

NUCLEAR REACTIONS 2H(24Mg, pγ), (24Mg, nγ), E=48 MeV; measured σ(Eγ, θ(γ)), recoil distance. 25Mg, 25Al levels deduced T1/2.

doi: 10.1139/p72-291
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1972AL32      Nucl.Phys. A197, 1 (1972)

T.K.Alexander, B.Y.Underwood, N.Anyas-Weiss, N.A.Jelley, J.Szucs, S.P.Dolan, M.R.Wormald, K.W.Allen

16O(α, γ)20Ne Capture γ-Ray Measurements on the Excited Kπ = 0+ Bands in 20Ne Near 7 MeV

NUCLEAR REACTIONS 16O(α, γ), E approx 3 to 7.6 MeV; measured omegaγ, σ(E;Eγ, θ(γ)). 20Ne deduced level energies, γ-width, γ-ray branching, γ-mixing.

doi: 10.1016/0375-9474(72)90741-5
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1972HA06      Phys.Lett. 38B, 75 (1972)

O.Hausser, A.B.McDonald, T.K.Alexander, A.J.Ferguson, R.E.Warner

Nuclear Polarizability of 7Li from Coulomb Excitation

NUCLEAR REACTIONS 208Pb(7Li, 7Li), 208Pb(7Li, Xγ), E=18-30 MeV; measured σ(E;θ), σ(E;Eγ, θ). 7Li deduced nuclear polarizability.

doi: 10.1016/0370-2693(72)90743-5
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1972HA07      Nucl.Phys. A179, 465 (1972)

O.Hausser, A.J.Ferguson, A.B.McDonald, I.M.Szoghy, T.K.Alexander, D.L.Disdier

High Spin States in 20Ne from 16O(α, α) Scattering

NUCLEAR REACTIONS 16O(α, α), E=5-11 MeV; measured σ(Eα, θ(α)). 20Ne deduced levels, J, π, α-widths. Natural targets.

doi: 10.1016/0375-9474(72)90383-1
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1971AL29      Izv.Akad.Nauk SSSR, Ser.Fiz. 35, 2287 (1971); Bull.Acad.Sci.USSR, Phys.Ser. 35, 2076 (1972)

T.K.Alexander, O.Hausser, A.B.McDonald, G.T.Ewan

The Lifetime of the 3/2+ 975 keV Level in 25Mg

NUCLEAR REACTIONS 2H(24Mg, γ), E=48 MeV; measured Doppler shift attenuation. 25Mg deduced T1/2 for 975-keV level. Plunger method.


1971DI08      Can.J.Phys. 49, 1589 (1971)

W.T.Diamond, T.K.Alexander, O.Hausser

Measurement of the Radiative Width of the 6+, 8.79 MeV Level of 20Ne

NUCLEAR REACTIONS 4He(16O, γ), E=20.1-20.3 MeV; measured σ(E;Eγ). 20Ne deduced E2 transition probabilities.

doi: 10.1139/p71-185
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1971DI22      Izv.Akad.Nauk SSSR, Ser.Fiz. 35, 1582 (1971); Bull.Acad.Sci.USSR, Phys.Ser. 35, 1443 (1972)

W.T.Diamond, T.K.Alexander, O.Hausser

Radiation Width of the 8.79 MeV 6+ State in 20Ne

NUCLEAR REACTIONS 4He(16O, γ), E approx 20 MeV; measured σ(Eγ). 20Ne level deduced γ-width, B(E2).


1971HA26      Nucl.Phys. A168, 17 (1971)

O.Hausser, T.K.Alexander, A.B.McDonald, G.T.Ewan, A.E.Litherland

Gamma-Decay Properties of 20Ne Levels below 12 MeV

NUCLEAR REACTIONS 12C(12C, αγ), E=20-30 MeV; measured σ(Eα, Eγ, θ(γ), θ(pγ)), Doppler shift attenuation, recoil distance. 20Ne deduced levels, T1/2, γ-branching, γ-mixing. Natural target.

doi: 10.1016/0375-9474(71)90649-X
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1971HA47      Nucl.Phys. A175, 593 (1971)

O.Hausser, T.K.Alexander, A.B.McDonald, W.T.Diamond

Coulomb Reorientation of 2+ States in 32S and 112Cd

NUCLEAR REACTIONS 112Cd(32S, 32S'γ), E=90, 100 MeV; measured σ(Eγ, θ(S)). 32S, 112Cd levels deduced B(E2), q2. Enriched target.

doi: 10.1016/0375-9474(71)90452-0
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1971MC20      Can.J.Phys. 49, 2886 (1971)

A.B.McDonald, T.K.Alexander, O.Hausser, G.T.Ewan

Lifetimes of States in 29Si, 27Al, and 26Mg

NUCLEAR REACTIONS 12C(19F, npγ), E=25 MeV; 12C(19F, αpγ), E=25 MeV; 27Al(35Cl, 35Cl'γ), E=67 MeV; measured recoil distance. 27Al(35Cl, 35Cl'γ), E=67 MeV; measured Doppler shift attenuation. 29Si, 27Al, 26Mg levels deduced T1/2.

doi: 10.1139/p71-346
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1970AL10      Nucl.Instrum.Methods 81, 22 (1970)

T.K.Alexander, A.Bell

A Target Chamber for Recoil-Distance Lifetime Measurements

NUCLEAR REACTIONS 16O(12C, α), E=17 MeV; measured recoil distance. 24Mg level deduced T1/2.

doi: 10.1016/0029-554X(70)90604-X
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1970BR21      Izv.Akad.Nauk SSSR, Ser.Fiz. 34, 904 (1970); Bull.Acad.Sci.USSR, Phys.Ser. 34, 806 (1971)

C.Broude, J.Ferguson, O.Hausser, T.K.Alexander

Triple Gamma-Ray Angular Correlation Studies from the Reaction 26Mg(p, p'γγ)26Mg

NUCLEAR REACTIONS 26Mg(p, p'γγ), E not given; measured Eγ, γγ(θ), pγγ triple correlations. 26Mg deduced levels, J, π, γ-branching, γ-mixing.


1970HA04      Can.J.Phys. 48, 35 (1970)

O.Hausser, B.W.Hooton, D.Pelte, T.K.Alexander, H.C.Evans

Measurement of the Reorientation Effect in 24Mg

NUCLEAR REACTIONS 24Mg(35Cl, 35Cl'γ), E=62 MeV; measured σ(E(35Cl'), Eγ, E(24Mg'), θ(γ), θ(24Mg'), phi). 24Mg deduced quadrupole moment, level-width, E2 matrix element.


1970HA24      Nucl.Phys. A150, 417 (1970)

O.Hausser, D.Pelte, T.K.Alexander, H.C.Evans

Reorientation Measurements in Even Titanium Isotopes

NUCLEAR REACTIONS 46,48Ti(35Cl, 35Cl'γ), E=70.35-74 MeV; 50Ti(32S, 32S'γ), E=67 MeV; measured Coulomb excitation, σ(E, Eγ, θ). 46,48,50Ti, 32S levels deduced B(E2), quadrupole moment. Enriched targets.

doi: 10.1016/0375-9474(70)90960-7
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