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NSR database version of April 11, 2024.

Search: Author = J.R.Leslie

Found 72 matches.

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2022SH26      Eur.Phys.J. A 58, 83 (2022)

S.Sharma, G.F.Grinyer, G.C.Ball, J.R.Leslie, C.E.Svensson, F.A.Ali, C.Andreoiu, N.Bernier, S.S.Bhattacharjee, V.Bildstein, C.Burbadge, R.Caballero-Folch, R.Coleman, A.Diaz Varela, M.R.Dunlop, R.Dunlop, A.B.Garnsworthy, E.Gyabeng Fuakye, G.M.Huber, B.Jigmeddorj, K.Kapoor, A.T.Laffoley, K.G.Leach, J.Long, A.D.MacLean, C.R.Natzke, B.Olaizola, A.J.Radich, N.Saei, J.T.Smallcombe, A.Talebitaher, K.Whitmore, T.Zidar

High-precision half-life determination of 14O via direct β counting

RADIOACTIVITY 14O(β+) [from Si(p, X), E=480 MeV]; measured decay products, Eβ, Iβ; deduced log ft, T1/2, the new world average based on several measurements. The Isotope Separator and Accelerator (ISAC) facility at TRIUMF.

doi: 10.1140/epja/s10050-022-00730-w
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2020MA59      Phys.Rev. C 102, 054325 (2020)

A.D.MacLean, A.T.Laffoley, C.E.Svensson, G.C.Ball, J.R.Leslie, C.Andreoiu, A.Babu, S.S.Bhattacharjee, H.Bidaman, V.Bildstein, C.Burbadge, M.Bowry, C.Cheng, D.S.Cross, A.Diaz Varela, I.Dillmann, M.R.Dunlop, R.Dunlop, L.J.Evitts, P.Finlay, S.Gillespie, A.B.Garnsworthy, P.E.Garrett, E.Gopaul, C.J.Griffin, G.F.Grinyer, G.Hackman, J.Henderson, B.Jigmeddorj, K.G.Leach, E.Kassanda, J.McAfee, M.Moukaddam, C.Natzke, S.Nittala, B.Olaizola, J.Park, C.Paxman, J.L.Pore, C.Porzio, A.J.Radich, P.Ruotsalainen, Y.Saito, S.Sharma, J.Smallcombe, J.K.Smith, R.Sultana, J.Turko, J.Williams, D.Yates, T.Zidar

High-precision branching ratio measurement and spin assignment implications for 62Ga superallowed β decay

RADIOACTIVITY 62Ga(β+), (EC); measured Eγ, Iγ, β+, β+γ- and βγγ-coin, γγ(θ) using GRIFFIN array of 16 Compton-suppressed HPGe clover detectors for γ rays, and SCEPTAR array of plastic scintillators for β particles at TRIUMF-ISAC facility. 62Zn; deduced levels, J, π, multipole mixing ratios, precise β branch for superallowed 0+ to 0+ transition, β feedings to excited 0+ and (1+) states, isospin-symmetry-breaking correction. Comparison with previous experimental results and implications for theoretical studies of isospin-symmetry-breaking correction calculations.

doi: 10.1103/PhysRevC.102.054325
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2017DU11      Phys.Rev. C 96, 045502 (2017)

M.R.Dunlop, C.E.Svensson, G.C.Ball, J.R.Leslie, C.Andreoiu, N.Bernier, H.Bidaman, V.Bildstein, M.Bowry, C.Burbadge, R.Caballero-Folch, A.Diaz Varela, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Jigmeddorj, K.G.Leach, A.D.MacLean, B.Olaizola, J.Measures, C.Natzke, Y.Saito, J.K.Smith, J.Turko, T.Zidar

High-precision half-life measurement for the superallowed Fermi β+ emitter 22Mg

RADIOACTIVITY 22Mg(β+)[from Si(p, X), E=480 MeV using ion guide laser ion source (IGLIS) at ISAC-TRIUMF facility]; measured Eγ, Iγ, β+ radiation, βγ-coin using a 4π continuous-flow gas proportional counter for β radiation and GRIFFIN array for γ detection, precise half-life of decay of 22Mg with detailed uncertainty analysis. Comparison with previous experimental results. Proposed further experiments to improve uncertainty of the superallowed branching ratio for tests of the CVC hypothesis.

doi: 10.1103/PhysRevC.96.045502
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2017FI07      Phys.Rev. C 96, 025501 (2017)

P.Finlay, A.T.Laffoley, G.C.Ball, P.C.Bender, M.R.Dunlop, R.Dunlop, G.Hackman, J.R.Leslie, A.D.MacLean, D.Miller, M.Moukaddam, B.Olaizola, N.Severijns, J.K.Smith, D.Southall, C.E.Svensson

High-precision half-life determination for 21Na using a 4π gas-proportional counter

RADIOACTIVITY 21Na(β+)[from Ta(p, X), E=480 MeV at TRIUMF cyclotron]; measured Eγ, βγ-coin, β+ particles, precise half-life of 21Na decay using 4π continuous-flow gas proportional counter at TRIUMF-ISAC facility. detailed analysis of half-life data and systematic uncertainties. 21Na; deduced world-average half-life by combining present result with previous measurements, and discussed contribution to the uncertainty in the Ft value of the superallowed β+ transition between the isospin T=1/2 mirror nuclei 21Na and 21Ne.

doi: 10.1103/PhysRevC.96.025501
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2016DU10      Phys.Rev.Lett. 116, 172501 (2016)

M.R.Dunlop, C.E.Svensson, G.C.Ball, G.F.Grinyer, J.R.Leslie, C.Andreoiu, R.A.E.Austin, T.Ballast, P.C.Bender, V.Bildstein, A.Diaz Varela, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Hadinia, D.S.Jamieson, A.T.Laffoley, A.D.MacLean, D.M.Miller, W.J.Mills, J.Park, A.J.Radich, M.M.Rajabali, E.T.Rand, C.Unsworth, A.Valencik, Z.M.Wang, E.F.Zganjar

High-Precision Half-Life Measurements for the Superallowed β+ Emitter 10C: Implications for Weak Scalar Currents

RADIOACTIVITY 10C(EC) [from Ni, O(p, X)10C, E=480 MeV]; measured decay products, Eγ, Iγ; deduced T1/2 and its uncertainties. Comparison with available data.

doi: 10.1103/PhysRevLett.116.172501
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2015LA19      Phys.Rev. C 92, 025502 (2015)

A.T.Laffoley, C.E.Svensson, C.Andreoiu, G.C.Ball, P.C.Bender, H.Bidaman, V.Bildstein, B.Blank, D.S.Cross, G.Deng, A.Diaz Varela, M.R.Dunlop, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, J.Giovinazzo, G.F.Grinyer, J.Grinyer, G.Hackman, B.Hadinia, D.S.Jamieson, B.Jigmeddorj, D.Kisliuk, K.G.Leach, J.R.Leslie, A.D.MacLean, D.Miller, B.Mills, M.Moukaddam, A.J.Radich, M.M.Rajabali, E.T.Rand, J.C.Thomas, J.Turko, C.Unsworth, P.Voss

High-precision half-life measurements for the superallowed Fermi β+ emitter 18Ne

RADIOACTIVITY 18Ne(β+), (EC), 23Ne(β-)[from Si(p, X), E=480 MeV, mass-separated 18,23Ne beams]; measured β using 4π continuous-flow gas proportional counter, Eγ, Iγ, βγ-coin, half-lives of 18Ne and 23Ne isotopes at TRIUMF-ISAC facility. Discussed rate-dependent and diffusion effects, and uncertainty analysis. Comparison with previous measurements. Relevance to superallowed Fermi decay.

doi: 10.1103/PhysRevC.92.025502
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2014GA24      Phys.Rev. C 90, 035803 (2014)

N.Galinski, S.K.L.Sjue, G.C.Ball, D.S.Cross, B.Davids, H.Al Falou, A.B.Garnsworthy, G.Hackman, U.Hager, D.A.Howell, M.Jones, R.Kanungo, R.Kshetri, K.G.Leach, J.R.Leslie, M.Moukaddam, J.N.Orce, E.T.Rand, C.Ruiz, G.Ruprecht, M.A.Schumaker, C.E.Svensson, S.Triambak, C.D.Unsworth

Lifetime measurements of states in 15O

NUCLEAR REACTIONS 3He(16O, α), E=50 MeV; measured Eγ, Iγ, Eα, Iα, αγ-coin, level half-lives by DSAM using TIGRESS array for γ detection and Si detector telescopes for α particles at TRIUMF-ISAC-II facility. 15O; deduced three levels and associated half-lives. Monte-Carlo simulations. Relevance to astrophysical reaction rates for 14N(p, γ)15O reaction.

doi: 10.1103/PhysRevC.90.035803
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2013DU14      Phys.Rev. C 88, 045501 (2013)

R.Dunlop, G.C.Ball, J.R.Leslie, C.E.Svensson, I.S.Towner, C.Andreoiu, S.Chagnon-Lessard, A.Chester, D.S.Cross, P.Finlay, A.B.Garnsworthy, P.E.Garrett, J.Glister, G.Hackman, B.Hadinia, K.G.Leach, E.T.Rand, K.Starosta, E.R.Tardiff, S.Triambak, S.J.Williams, J.Wong, S.W.Yates, E.F.Zganjar

High-precision branching-ratio measurement for the superallowed Β+ emitter 74Rb

RADIOACTIVITY 74Rb(β+), (EC)[from Nb(p, X, ), E=500 MeV]; measured Eγ, Iγ, Eβ, Iβ, ce, γγ-, γ(ce)-, βγ-, β(ce)-coin using 8π array for γ rays, SCEPTAR for β particles and PACES for conversion electrons at ISAC-TRIUMF facility. 74Kr; deduced levels, J, π, conversion coefficients, multipolarity, E0 transition, branching ratio for superallowed β transition, logft, GT+F, isospin-symmetry breaking terms. Comparison of experimental GT values with theoretical values.

doi: 10.1103/PhysRevC.88.045501
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2013GR03      Phys.Rev. C 87, 045502 (2013)

G.F.Grinyer, G.C.Ball, H.Bouzomita, S.Ettenauer, P.Finlay, A.B.Garnsworthy, P.E.Garrett, K.L.Green, G.Hackman, J.R.Leslie, C.J.Pearson, E.T.Rand, C.S.Sumithrarachchi, C.E.Svensson, J.C.Thomas, S.Triambak, S.J.Williams

Improved half-life determination and β-delayed γ-ray spectroscopy for 18Ne decay

RADIOACTIVITY 18Ne(β+); measured Eγ, Iγ, Eβ, βγ-coin, T1/2 using 8π and SCEPTAR arrays at TRIUMF-ISAC facility; deduced β branching ratios. Comparison with previous experimental results for half-life. Superallowed β decay.

doi: 10.1103/PhysRevC.87.045502
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2013LA23      Phys.Rev. C 88, 015501 (2013)

A.T.Laffoley, C.E.Svensson, C.Andreoiu, R.A.E.Austin, G.C.Ball, B.Blank, H.Bouzomita, D.S.Cross, A.Diaz Varela, R.Dunlop, P.Finlay, A.B.Garnsworthy, P.E.Garrett, J.Giovinazzo, G.F.Grinyer, G.Hackman, B.Hadinia, D.S.Jamieson, S.Ketelhut, K.G.Leach, J.R.Leslie, E.Tardiff, J.C.Thomas, C.Unsworth

High-precision half-life measurements for the superallowed Fermi β+ emitter 14O

RADIOACTIVITY 14O(β+)[from 12C14O molecules in A=26 products produced in bombardment of SiC target by 500 MeV protons]; measured Eγ, Iγ, Eβ, Iβ, half-life of 14O superallowed β+ emitter using 8π detector array for γ rays and plastic scintillators for β radiation at TRIUMF-ISAC facility. Detailed analysis of statistical and systematic uncertainties. Comparison with previous experimental half-life values.

doi: 10.1103/PhysRevC.88.015501
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2012FI06      Phys.Rev. C 85, 055501 (2012)

P.Finlay, G.C.Ball, J.R.Leslie, C.E.Svensson, C.Andreoiu, R.A.E.Austin, D.Bandyopadhyay, D.S.Cross, G.Demand, M.Djongolov, S.Ettenauer, P.E.Garrett, K.L.Green, G.F.Grinyer, G.Hackman, K.G.Leach, C.J.Pearson, A.A.Phillips, E.T.Rand, C.S.Sumithrarachchi, S.Triambak, S.J.Williams

High-precision branching-ratio measurement for the superallowed β+ emitter 26Alm

RADIOACTIVITY 26mAl(β+), (EC); measured Iβ, Eγ, Iγ, βγ-coin, βγ-anticoin at TRIUMF-ISAC facility; deduced upper limit for total non-superallowed β++EC branching ratio to excited states in 26Mg.

doi: 10.1103/PhysRevC.85.055501
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2011CR05      J.Instrum. 6, 08008 (2011)

D.S.Cross, G.C.Ball, P.E.Garrett, S.Triambak, S.J.Williams, C.Andreoiu, R.Churchman, A.B.Garnsworthy, G.Hackman, J.R.Leslie, J.N.Orce, C.S.Sumithrarachchi, C.E.Svensson

Commissioning the DANTE array of BaF2 detectors at TRIUMF-ISAC using a fast-timing lifetime measurement

RADIOACTIVITY 152Eu(EC); measured decay products, Eγ, Iγ; deduced 152Sm first excited state T1/2. Comparison with available data.

doi: 10.1088/1748-0221/6/08/p08008
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2011FI01      Phys.Rev.Lett. 106, 032501 (2011)

P.Finlay, S.Ettenauer, G.C.Ball, J.R.Leslie, C.E.Svensson, C.Andreoiu, R.A.E.Austin, D.Bandyopadhyay, D.S.Cross, G.Demand, M.Djongolov, P.E.Garrett, K.L.Green, G.F.Grinyer, G.Hackman, K.G.Leach, C.J.Pearson, A.A.Phillips, C.S.Sumithrarachchi, S.Triambak, S.J.Williams

High-Precision Half-Life Measurement for the Superallowed β+ Emitter 26Alm

RADIOACTIVITY 26Al(β+) [from Si(p, X), E=500 MeV]; measured decay products; deduced T1/2. Comparison with Skyrme-Hartree-Fock calculations.

COMPILATION 10C, 14O, 22Mg, 26Al, 34Cl, 34Ar, 38K, 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb; compiled log ft values.

doi: 10.1103/PhysRevLett.106.032501
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2010BA43      Phys.Rev. C 82, 045501 (2010)

G.C.Ball, G.Boisvert, P.Bricault, R.Churchman, M.Dombsky, T.Lindner, J.A.Macdonald, E.Vandervoort, S.Bishop, J.M.D'Auria, J.C.Hardy, V.E.Iacob, J.R.Leslie, H.-B.Mak

Precise half-life measurement of the superallowed β+ emitter 38Km

RADIOACTIVITY 38mK(β+)[38K beam from Ca(p, X), E=500 MeV]; measured integral activity using a 4π continuous gas flow proportional β counter, half-life; deduced Ft value for superallowed β transition. Comparison with previous half-life measurements.

doi: 10.1103/PhysRevC.82.045501
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2008FI07      Phys.Rev. C 78, 025502 (2008)

P.Finlay, G.C.Ball, J.R.Leslie, C.E.Svensson, I.S.Towner, R.A.E.Austin, D.Bandyopadhyay, A.Chaffey, R.S.Chakrawarthy, P.E.Garrett, G.F.Grinyer, G.Hackman, B.Hyland, R.Kanungo, K.G.Leach, C.M.Mattoon, A.C.Morton, C.J.Pearson, A.A.Phillips, J.J.Ressler, F.Sarazin, H.Savajols, M.A.Schumaker, J.Wong

High-precision branching ratio measurement for the superallowed β+ emitter 62Ga

RADIOACTIVITY 62Ga(β+); measured Eγ, Iγ, Eβ, βγ-coin, branching ratios; deduced ft values. 62Zn; deduced levels, J, π. 10C, 14O, 22Mg, 26mAl, 34Cl, 34Ar, 38mK, 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb; systematics of superallowed β decays and ft values.

doi: 10.1103/PhysRevC.78.025502
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2008GR03      Phys.Rev. C 77, 015501 (2008)

G.F.Grinyer, P.Finlay, C.E.Svensson, G.C.Ball, J.R.Leslie, R.A.E.Austin, D.Bandyopadhyay, A.Chaffey, R.S.Chakrawarthy, P.E.Garrett, G.Hackman, B.Hyland, R.Kanungo, K.G.Leach, C.M.Mattoon, A.C.Morton, C.J.Pearson, A.A.Phillips, J.J.Ressler, F.Sarazin, H.Savajols, M.A.Schumaker, J.Wong

High-precision half-life determination for the superallowed β+ emitter 62Ga

RADIOACTIVITY 62Ga(β+) [from Zr(p, γ), E=500 MeV]; measured Eγ, β+ particles; deduced half-life.

doi: 10.1103/PhysRevC.77.015501
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2008LE12      Phys.Rev.Lett. 100, 192504 (2008)

K.G.Leach, C.E.Svensson, G.C.Ball, J.R.Leslie, R.A.E.Austin, D.Bandyopadhyay, C.Barton, E.Bassiachvilli, S.Ettenauer, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, D.Melconian, A.C.Morton, S.Mythili, O.Newman, C.J.Pearson, M.R.Pearson, A.A.Phillips, H.Savajols, M.A.Schumaker, J.Wong

Internal γ Decay and the Superallowed Branching Ration for the β+ Emitter 38Km

RADIOACTIVITY 38mK(β+), 38mCl(β+);measured positron spectra, Eγ, Iγ, βγ-coin, T1/2; deduced Ft for superallowed decay, comparison with other superallowed decays.

doi: 10.1103/PhysRevLett.100.192504
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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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2007GA26      Acta Phys.Pol. B38, 1169 (2007)

P.E.Garrett, A.Andreyev, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, J.A.Becker, A.J.Boston, R.S.Chakrawarthy, D.Cline, R.J.Cooper, R.Churchman, D.Cross, D.Dashdorj, G.A.Demand, M.R.Dimmock, T.E.Drake, P.Finlay, F.Gagon-Miosan, A.T.Gallant, K.L.Green, A.N.Grint, G.F.Grinyer, G.Hackman, L.J.Harkness, A.B.Hayes, R.Kanungo, W.D.Kulp, K.G.Leach, G.Lee, J.R.Leslie, J.-P.Martin, C.Mattoon, W.J.Mills, A.C.Morton, S.Mythili, L.Nelson, O.Newman, P.J.Nolan, E.Padilla-Rodal, C.J.Pearson, A.A.Phillips, M.Porter-Peden, J.J.Ressler, R.Roy, C.Ruiz, H.Savajols, F.Sarazin, M.A.Schumaker, D.P.Scraggs, H.C.Scraggs, M.D.Strange, C.E.Svensson, J.C.Waddington, J.M.Wan, A.Whitbeck, S.J.Williams, J.Wong, J.L.Wood, C.Y.Wu, E.F.Zganjar

Nuclear Structure Research at TRIUMF

NUCLEAR REACTIONS Ti(20Na, 20Na'), (21Na, 21Na'), E=1.7 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation; deduced levels energies, σ, B(E2).

RADIOACTIVITY 160Yb, 160Tm(EC); measured Eγ, Iγ, eγ-coinc. Deduced levels, J, π.


2007GA30      Nucl.Instrum.Methods Phys.Res. B261, 1084 (2007)

P.E.Garrett, A.Andreyev, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, J.A.Becker, A.J.Boston, H.C.Boston, R.S.Chakrawarthy, R.Churchman, D.Cline, R.J.Cooper, D.Cross, D.Dashdorj, G.A.Demand, M.R.Dimmock, T.Drake, P.Finlay, K.Gagnon, A.T.Gallant, K.L.Green, A.N.Grint, G.F.Grinyer, G.Hackman, L.J.Harkness, A.B.Hayes, R.Kanungo, W.D.Kulp, K.G.Leach, G.Lee, J.R.Leslie, R.Maharaj, J.-P.Martin, C.Mattoon, W.J.Mills, A.C.Morton, L.Nelson, O.Newman, P.J.Nolan, E.Padilla-Rodal, C.J.Pearson, A.A.Phillips, M.Porter-Peden, J.J.Ressler, C.Ruiz, F.Sarazin, M.A.Schumaker, D.P.Scraggs, M.D.Strange, M.Subramanian, C.E.Svensson, J.C.Waddington, J.Wan, A.Whitbeck, S.J.Williams, J.L.Wood, J.C.Wong, C.Y.Wu, E.F.Zganjar

The TRIUMF nuclear structure program and TIGRESS

doi: 10.1016/j.nimb.2007.04.258
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2007GR18      Phys.Rev. C 76, 025503 (2007)

G.F.Grinyer, M.B.Smith, C.Andreoiu, A.N.Andreyev, G.C.Ball, P.Bricault, R.S.Chakrawarthy, J.J.Daoud, P.Finlay, P.E.Garrett, G.Hackman, B.Hyland, J.R.Leslie, A.C.Morton, C.J.Pearson, A.A.Phillips, M.A.Schumaker, C.E.Svensson, J.J.Valiente-Dobon, S.J.Williams, E.F.Zganjar

Half-life of the superallowed β+ emitter 18Ne

RADIOACTIVITY 18Ne(β+); measured β-delayed γ-decays, T1/2.

doi: 10.1103/PhysRevC.76.025503
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2007MA04      Phys.Rev. C 75, 017302 (2007)

C.M.Mattoon, F.Sarazin, G.Hackman, E.S.Cunningham, R.A.E.Austin, G.C.Ball, R.S.Chakrawarthy, P.Finlay, P.E.Garrett, G.F.Grinyer, B.Hyland, K.A.Koopmans, J.R.Leslie, A.A.Phillips, M.A.Schumaker, H.C.Scraggs, J.Schwarzenberg, M.B.Smith, C.E.Svensson, J.C.Waddington, P.M.Walker, B.Washbrook, E.Zganjar

β decay of 32Na

RADIOACTIVITY 32Na(β-), (β-n), (β-2n) [from Ta(p, X)]; measured Eγ, Iγ, γγ-, βγ-coin. 32Mg deduced levels, J, π. 30,31Mg deduced transitions.

doi: 10.1103/PhysRevC.75.017302
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2007ZG01      Acta Phys.Pol. B38, 1179 (2007)

E.F.Zganjar, T.Achtzehn, D.Albers, C.Andreoiu, A.N.Andreyev, R.A.E.Austin, G.C.Ball, J.A.Behr, G.C.Biosvert, P.Bricault, S.Bishop, R.S.Chakrawarthy, R.Churchman, D.Cross, E.Cunningham, J.M.D'Auria, M.Dombsky, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, V.Hanemaayer, J.C.Hardy, D.F.Hodgson, B.Hyland, V.Iacob, P.Klages, K.A.Koopmans, W.D.Kulp, J.Lassen, J.P.Lavoie, J.R.Leslie, T.Linder, J.A.Macdonald, H.-B.Mak, D.Melconian, A.C.Morton, W.E.Ormand, C.J.Osborne, C.J.Pearson, M.R.Pearson, A.A.Phillips, A.Piechaczek, J.Ressler, F.Sarazin, G.Savard, M.A.Schumaker, H.C.Scraggs, C.E.Svensson, J.J.Valiente-Dobon, I.S.Towner, J.C.Waddington, P.M.Walker, K.Wendt, J.L.Wood

Superallowed Beta Decay Studies at TRIUMF - Nuclear Structure and Fundamental Symmetries


2006HY02      Phys.Rev.Lett. 97, 102501 (2006)

B.Hyland, C.E.Svensson, G.C.Ball, J.R.Leslie, T.Achtzehn, D.Albers, C.Andreoiu, P.Bricault, R.Churchman, D.Cross, M.Dombsky, P.Finlay, P.E.Garrett, C.Geppert, G.F.Grinyer, G.Hackman, V.Hanemaayer, J.Lassen, J.P.Lavoie, D.Melconian, A.C.Morton, C.J.Pearson, M.R.Pearson, A.A.Phillips, M.A.Schumaker, M.B.Smith, I.S.Towner, J.J.Valiente-Dobon, K.Wendt, E.F.Zganjar

Precision Branching Ratio Measurement for the Superallowed β+ Emitter 62Ga and Isospin-Symmetry-Breaking Corrections in A ≥ 62 Nuclei

RADIOACTIVITY 62Ga(β+) [from Zr(p, X)]; measured Eγ, Iγ, βγ-coin; deduced superallowed Fermi branching ratio, ft. 62Zn deduced levels, J, π. Comparison with model predictions.

doi: 10.1103/PhysRevLett.97.102501
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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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2005BA87      J.Phys.(London) G31, S1491 (2005)

G.C.Ball, T.Achtzehn, D.Albers, J.S.Al-Khalili, C.Andreoiu, A.Andreyev, S.F.Ashley, R.A.E.Austin, J.A.Becker, P.Bricault, S.Chan, R.S.Chakrawarthy, R.Churchman, H.Coombes, E.S.Cunningham, J.Daoud, M.Dombsky, T.E.Drake, B.Eshpeter, P.Finlay, P.E.Garrett, C.Geppert, G.F.Grinyer, G.Hackman, V.Hanemaayer, B.Hyland, G.A.Jones, K.A.Koopmans, W.D.Kulp, J.Lassen, J.P.Lavoie, J.R.Leslie, Y.Litvinov, J.A.Macdonald, C.Mattoon, D.Melconian, A.C.Morton, C.J.Osborne, C.J.Pearson, M.Pearson, A.A.Phillips, J.J.Ressler, F.Sarazin, M.A.Schumaker, J.Schwarzenberg, H.C.Scraggs, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, J.C.Waddington, P.M.Walker, K.Wendt, S.J.Williams, J.L.Wood, E.F.Zganjar

High-resolution γ-ray spectroscopy: a versatile tool for nuclear β-decay studies at TRIUMF-ISAC

doi: 10.1088/0954-3899/31/10/019
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2005GR07      Phys.Rev. C 71, 044309 (2005)

G.F.Grinyer, C.E.Svensson, C.Andreoiu, A.N.Andreyev, R.A.E.Austin, G.C.Ball, R.S.Chakrawarthy, P.Finlay, P.E.Garrett, G.Hackman, J.C.Hardy, B.Hyland, V.E.Iacob, K.A.Koopmans, W.D.Kulp, J.R.Leslie, J.A.Macdonald, A.C.Morton, W.E.Ormand, C.J.Osborne, C.J.Pearson, A.A.Phillips, F.Sarazin, M.A.Schumaker, H.C.Scraggs, J.Schwarzenberg, M.B.Smith, J.J.Valiente-Dobon, J.C.Waddington, J.L.Wood, E.F.Zganjar

High precision measurements of 26Na β- decay

RADIOACTIVITY 26Na(β-) [from Si, Ta(p, X)]; measured Eγ, Iγ, T1/2; deduced log ft. 26Mg deduced levels, J, π, β-feeding intensities.

doi: 10.1103/PhysRevC.71.044309
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2005HY04      J.Phys.(London) G31, S1885 (2005)

B.Hyland, D.Melconian, G.C.Ball, J.R.Leslie, C.E.Svensson, P.Bricault, E.Cunningham, M.Dombsky, G.F.Grinyer, G.Hackman, K.Koopmans, F.Sarazin, M.A.Schumaker, H.C.Scraggs, M.B.Smith, P.M.Walker

Precision half-life measurement of 62Ga

RADIOACTIVITY 62Ga(β+); measured T1/2. Comparison with previous results.

doi: 10.1088/0954-3899/31/10/094
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2004SA46      Phys.Rev. C 70, 031302 (2004)

F.Sarazin, J.S.Al-Khalili, G.C.Ball, G.Hackman, P.M.Walker, R.A.E.Austin, B.Eshpeter, P.Finlay, P.E.Garrett, G.F.Grinyer, K.A.Koopmans, W.D.Kulp, J.R.Leslie, D.Melconian, C.J.Osborne, M.A.Schumaker, H.C.Scraggs, J.Schwarzenberg, M.B.Smith, C.E.Svensson, J.C.Waddington, J.L.Wood

Halo neutrons and the β decay of 11Li

RADIOACTIVITY 11Li(β-), (β-n) [from Ta(p, X)]; measured Eγ, Iγ, β-delayed neutron spectra. 10,11Be deduced levels, J, π, halo features.

doi: 10.1103/PhysRevC.70.031302
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2004SM10      Nucl.Phys. A746, 617c (2004)

M.B.Smith, P.M.Walker, R.S.Chakrawarthy, R.A.E.Austin, G.C.Ball, J.J.Carroll, E.Cunningham, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, B.Hyland, K.Koopmans, W.D.Kulp, J.R.Leslie, A.A.Phillips, R.Propri, P.H.Regan, F.Sarazin, M.A.Schumaker, H.C.Scraggs, T.Shizuma, C.E.Svensson, J.von Schwarzenberg, J.C.Waddington, D.Ward, J.L.Wood, B.Washbrook, E.F.Zganjar

Studies of high-K isomers at TRIUMF-ISAC

RADIOACTIVITY 178Hf, 178,179Lu(IT) [from Ta(p, X)]; measured Eγ, Iγ, γγ-coin following high-spin isomer decay.

doi: 10.1016/j.nuclphysa.2004.09.101
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2003PI08      Phys.Rev. C 67, 051305 (2003)

A.Piechaczek, E.F.Zganjar, G.C.Ball, P.Bricault, J.M.D'Auria, J.C.Hardy, D.F.Hodgson, V.Iacob, P.Klages, W.D.Kulp, J.R.Leslie, M.Lipoglavsek, J.A.Macdonald, H.-B.Mak, D.M.Moltz, G.Savard, J.von Schwarzenberg, C.E.Svensson, I.S.Towner, J.L.Wood

High precision branching ratio measurement for the superallowed β decay of 74Rb: A prerequisite for exacting tests of the standard model

RADIOACTIVITY 74Rb(EC) [from Nb(p, X)]; measured Eγ, Iγ, E(ce), I(ce); deduced analog transition branching ratio, QEC. 74Kr deduced levels, transitions.

doi: 10.1103/PhysRevC.67.051305
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2002ZG01      Eur.Phys.J. A 15, 229 (2002)

E.F.Zganjar, A.Piechaczek, G.C.Ball, P.Bricault, J.M.D'Auria, J.C.Hardy, D.F.Hodgson, V.Iacob, P.Klages, W.D.Kulp, J.R.Leslie, M.Lipoglavsek, J.A.Macdonald, H.B.Mak, D.M.Moltz, G.Savard, J.von Schwarzenberg, C.E.Svensson, I.S.Towner, J.L.Wood

Tests of the standard model from superallowed Fermi β-decay studies: The 74Rb β-decay

RADIOACTIVITY 74Rb(β+), (EC) [from Nb(p, X)]; measured Eγ, Iγ, E(ce), I(ce), βγ-, β(ce)-coin; deduced branching ratios. 74Kr deduced levels, transition intensities. Implications for standard model test discussed.

doi: 10.1140/epja/i2001-10259-y
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2001BA12      Phys.Rev.Lett. 86, 1454 (2001)

G.C.Ball, S.Bishop, J.A.Behr, G.C.Boisvert, P.Bricault, J.Cerny, J.M.D'Auria, M.Dombsky, J.C.Hardy, V.Iacob, J.R.Leslie, T.Lindner, J.A.Macdonald, H.-B.Mak, D.M.Moltz, J.Powell, G.Savard, I.S.Towner

Precise Half-Life Measurement for the Superallowed 0+ → 0+ β Emitter 74Rb: First results from the new radioactive beam facility (ISAC) at TRIUMF

RADIOACTIVITY 74Rb(β+) [from Nb(p, X)]; measured superallowed decay T1/2.

doi: 10.1103/PhysRevLett.86.1454
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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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1996OU01      Phys.Rev. C54, 1982 (1996)

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

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

NUCLEAR REACTIONS, ICPND 12C(α, γ), E=1.5-3 MeV; measured σ(θ); deduced E1, E2 σ, astrophysical S-factor. K-matrix, R-matrix, cluster models.

doi: 10.1103/PhysRevC.54.1982
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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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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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1987KO33      Nucl.Phys. A472, 408 (1987)

V.T.Koslowsky, R.E.Azuma, H.C.Evans, E.Hagberg, J.C.Hardy, J.R.Leslie, H.Schmeing, C.Virtue

The Precise Determination of some γ-Ray Transition Energies in 26Al, 27Al and 55Co

NUCLEAR REACTIONS 25Mg(p, γ), E=1195 keV; 26Mg(p, γ), E=2141, 2220 keV; 54Fe(p, γ), E=1803, 1887 keV; measured Eγ. 26,27Al, 55Co deduced γ-ray transition energies. Enriched targets, Ge(Li) detector.

doi: 10.1016/0375-9474(87)90040-6
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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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1985BA48      Nucl.Phys. A442, 547 (1985)

J.C.Bacelar, R.Chapman, J.R.Leslie, J.C.Lisle, J.N.Mo, E.Paul, A.Simcock, J.C.Willmott, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.M.Walker

Study of 170,171,173Ta Isotope at High Spins

NUCLEAR REACTIONS 159Tb(16O, 4n), E=72-84 MeV; 159Tb(18O, 4n), E=84 MeV; 124Sn(51V, xn), E=230 MeV; measured γγ-coin, γ(θ). 170,171,173Ta deduced levels, J, π, T1/2, B(M1), rotational band moments of inertia. Cranked shell model analysis. Enriched targets.

doi: 10.1016/S0375-9474(85)80030-0
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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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1984AD06      Phys.Rev. C30, 1153 (1984)

E.Adamides, W.McLatchie, P.Skensved, J.R.Leslie

Lifetimes of States in 97Tc

NUCLEAR REACTIONS 97Mo(p, nγ), E=3.5 MeV; measured Eγ, Iγ(θ), DSA. 97Tc deduced T1/2, B(E2), B(M1), δ, B(E1) values. Ge(Li) detector, Ge(Li)-NaI(Tl) anti-Compton spectrometer, enriched targets.

doi: 10.1103/PhysRevC.30.1153
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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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1983CH09      Nucl.Phys. A397, 296 (1983)

R.Chapman, J.R.Leslie, M.Maynard, P.Skensved, D.Ward, J.F.Sharpey-Schafer

The Ground-State Rotational Band in 159Tb

NUCLEAR REACTIONS 159Tb(40Ca, 40Ca'), E=162 MeV; measured γγ(θ), Coulomb excitation, recoil, DSA. 159Tb levels deduced T1/2, B(λ), g(K), g(R), intrinsic electric quadrupole moment, δ.

doi: 10.1016/0375-9474(83)90105-7
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1983CH44      Phys.Rev.Lett. 51, 2265 (1983)

R.Chapman, J.C.Lisle, J.N.Mo, E.Paul, A.Simcock, J.C.Willmott, J.R.Leslie, H.G.Price, P.M.Walker, J.C.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.J.Nolan

Rotational Behavior at High Spin in 168Hf

NUCLEAR REACTIONS 124Sn(48Ti, 4n), E=216 MeV; 156Gd(16O, 4n), E=85 MeV; measured Eγ, Iγ, γγ-coin, γ-multiplicity. 168Hf deduced levels, yrast sequence, J, π, spin alignment, moment of inertia, high-spin rotational behavior.

doi: 10.1103/PhysRevLett.51.2265
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1983YA08      Phys.Lett. 133B, 39 (1983)

C.X.Yang, J.Kownacki, J.D.Garrett, G.B.Hagemann, B.Herskind, J.C.Bacelar, J.R.Leslie, R.Chapman, J.C.Lisle, J.N.Mo, A.Simcock, J.C.Willmott, W.Walus, L.Carlen, S.Jonsson, J.Lyttkens, H.Ryde, P.O.Tjom, P.M.Walker

The Identification of the (1/2)+[660] Proton Orbitals at High Spins in Rare-Earth Nuclei

NUCLEAR REACTIONS 159Tb, 165Ho(16O, 4n), E=85 MeV; measured γγ-coin, X-ray(γ)(t), I(ce). 171Ta, 177Re deduced levels, γ-branching, band structure, proton orbital Nilsson assignment.

doi: 10.1016/0370-2693(83)90101-6
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1982EV01      Nucl.Instrum.Methods 192, 143 (1982)

H.C.Evans, G.T.Ewan, J.R.Leslie, J.D.MacArthur, H.-B.Mak, W.McLatchie, R.C.Turnock, M.B.Woods

A Cryopumped Transmission Gas Target for Nuclear Structure Studies

NUCLEAR REACTIONS 14N(α, α)(α, γ), E ≈ 1517.5-1535 keV; measured σ(θ, E), σ(Eγ). 16O(α, γ), E=3.020, 3.036 MeV; measured Eγ, Iγ. 20Ne deduced E2 transition strength. Differentially pumped transmission gas target.

doi: 10.1016/0029-554X(82)90816-3
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1981SK01      Nucl.Phys. A366, 125 (1981)

P.Skensved, R.Chapman, R.L.Kozub, J.R.Leslie, W.McLatchie, D.Ward, H.R.Andrews, O.Hausser

The Ground-State Rotational Band in 175Lu

NUCLEAR REACTIONS 175Lu(40Ca, 40Ca'), E=168 MeV; γ40Ca(θ), recoil, Eγ, Iγ, γ(θ), DSA, Coulomb excitation. 175Lu levels deduced T1/2, B(λ), δ, γ-branching ratio, quadrupole moment, g(k), g(R).

doi: 10.1016/0375-9474(81)90492-9
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1980CO02      Can.J.Phys. 58, 359 (1980)

B.E.Cooke, J.R.Leslie, W.McLatchie, P.Skensved

An Examination of Doppler Shift Attenuation Factors and Lifetimes for Excited Nuclear States in 59Cu and 63Cu

NUCLEAR REACTIONS 58,62Ni(p, γ), E=resonance; measured DSA, capture γ. 59,63Cu resonances deduced T1/2, γ transition strength.

doi: 10.1139/p80-051
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1980KE05      Phys.Rev. C22, 351 (1980)

J.Keinonen, H.-B.Mak, P.Skensved, J.R.Leslie, W.M.McLatchie

Lifetime of the 1.04 MeV State in 18F

NUCLEAR REACTIONS 18O(p, n), E=3.75 MeV; measured DSA. 18F level deduced T1/2. Implanted target.

doi: 10.1103/PhysRevC.22.351
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1980MA27      Phys.Rev. C22, 356 (1980)

J.D.MacArthur, H.C.Evans, J.R.Leslie, H.-B.Mak

First Two Members of the K=0- Band in 20Ne

NUCLEAR REACTIONS 16O(α, α), E=1305-1330 keV, 2950-3075 keV; measured σ(E, θ); 16O(α, γ), E=1.37, 2.6, 2.9, 3.036 MeV; measured σ(E), Eγ. 20Ne resonances deduced Γα, B(λ), Γγ.

NUCLEAR STRUCTURE 16O, 40,48Ca, 60Ni, 90Zr, 116Sn, 140Ce, 208Pb, 238U; calculated binding energies. Energy density formalism, generalized Thomas-Fermi form, variational procedure.

doi: 10.1103/PhysRevC.22.356
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0693.


1977CO03      J.Phys.(London) G3, 391 (1977)

B.E.Cooke, J.R.Leslie, W.McLatchie, B.C.Robertson

A Comparison of Two Independent Measurements of the Lifetime of a State in 59Cu

NUCLEAR REACTIONS 58Ni(p, γ), E=1833, 3547 keV; measured σ(E, Eγ, θ), DSA. 59Cu deduced levels, resonances, J, T1/2, Γ.

doi: 10.1088/0305-4616/3/3/014
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1977KO10      Phys.Rev. C16, 132 (1977)

R.L.Kozub, B.E.Cooke, J.R.Leslie, B.C.Robertson

Partial Widths and Gamma-Ray Decay of the 2883- and 5037-keV Levels in 41Sc

NUCLEAR REACTIONS 40Ca(p, γ), E=1.84, 4.05 MeV; measured σ(Eγ, θ), polarization, Iγ; deduced Q. 41Sc deduced levels, J, π, Γγ, Γp, S, resonance strengths. Enriched target.

doi: 10.1103/PhysRevC.15.132
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1976MI01      Phys.Rev. C13, 879 (1976)

G.F.Millington, R.M.Hutcheon, J.R.Leslie, W.McLatchie

Energy of the Lowest T=2 State in 20F

NUCLEAR REACTIONS 18O(3He, pγ), E=5 MeV; measured Ep, Eγ. 20F deduced resonance. 20Na, 20Mg; calculated mass excess.

doi: 10.1103/PhysRevC.13.879
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1976NO05      J.Phys.(London) G2, 569 (1976)

P.J.Nolan, A.J.Brown, P.A.Butler, L.L.Green, A.N.James, J.R.Leslie, C.J.Lister, J.D.MacArthur, J.F.Sharpey-Schafer

Levels in 37Cl between 4 and 9 MeV in Excitation

NUCLEAR REACTIONS 34S(α, pγ), E=14, 17 MeV; measured pγ-coin, angular distributions, DSAM. 37Cl deduced levels, J, π, δ, T1/2, γ-branching. Enriched targets, Ge(Li), NaI(Tl), Si detectors.

doi: 10.1088/0305-4616/2/8/008
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1975CO21      Can.J.Phys. 53, 2506 (1975)

B.E.Cooke, J.R.Leslie, B.C.Robertson, W.McLatchie

A Detailed Study of the g9/2 Analogue Resonance in 59Cu by the 58Ni(p, γ)59Cu Reaction

NUCLEAR REACTIONS 58Ni(p, γ), E=3.5-3.6 MeV; measured σ(E, Eγ, θ). 59Cu deduced level, resonance, J, π, Γ.

doi: 10.1139/p75-304
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1975TR05      Nucl.Phys. A246, 457 (1975)

J.P.Trentelman, B.E.Cooke, J.R.Leslie, W.McLatchie, B.C.Robertson

A Study of the 58Ni(p, γ)59Cu Reaction

NUCLEAR REACTIONS 58Ni(p, γ), E=0.9-2.3 MeV; measured σ(E, Eγ, θ). 59Cu deduced levels, analog resonances, J, t, γ-mixing, γ-branching ratios.

doi: 10.1016/0375-9474(75)90659-4
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1974ES01      Nucl.Phys. A232, 139 (1974)

M.T.Esat, J.R.Leslie, W.McLatchie

Resonances in the Reaction 56Fe(p, γ)57Co

NUCLEAR REACTIONS 56Fe(p, γ), E=1.2-1.5 MeV; measured σ(E;Eγ, θ). 57Co deduced levels, analog resonances, J, T, γ-mixing, resonance strengths. Natural target.

doi: 10.1016/0375-9474(74)90649-6
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1974MI13      Nucl.Phys. A228, 382 (1974)

G.F.Millington, J.R.Leslie, W.McLatchie, G.C.Ball, W.G.Davies, J.S.Forster

Hole States of 20F and 20Ne

NUCLEAR REACTIONS 21Ne(d, 3He), E=26 MeV; measured σ(E(3He), θ). 20F deduced levels, L(p), J, π, S. 21Ne(d, t), E=26 MeV; measured σ(Et, θ). 20Ne deduced levelsln, J, π, S. Enriched 21Ne target.

doi: 10.1016/0375-9474(74)90609-5
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1974TR03      Z.Phys. 266, 69 (1974)

J.P.Trentelman, J.R.Leslie, W.McLatchie

The Gamma Decay of Analogue States in 61Cu

NUCLEAR REACTIONS 60Ni(p, γ), E=1840-1880, 2220-2300 keV; measured σ(Eγ, θ). 61Cu deduced resonances, γ-branching, level-width, γ-mixing.

doi: 10.1007/BF01668667
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1973TR06      Nucl.Phys. A206, 393 (1973)

J.P.Trentelman, J.R.Leslie, W.McLatchie

Analogue States in 61Cu

NUCLEAR REACTIONS 60Ni(p, γ), E=1.5-1.9 MeV; measured σ(E;Eγ, θ). 61Cu deduced levels, analog resonances, J, T, γ-mixing, resonance strenths, Coulomb energy differences.

doi: 10.1016/0375-9474(73)90542-3
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1972MA26      Nucl.Phys. A187, 337 (1972)

D.J.Martin, J.R.Leslie, W.McLatchie, C.F.Monahan, L.E.Carlson

The γ-Ray Decay Properties of Analogue States of 55Fe Excited in the Reaction 54Fe(p, γ)55Co

NUCLEAR REACTIONS 54Fe(p, γ), E=1.80-1.87 MeV; measured σ(E, Eγ, θ), Q, polarization. 55Co deduced levels, isobaric analog resonances, J, π, γ-mixing, resonance strengths. Enriched target.

doi: 10.1016/0375-9474(72)90581-7
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1971IN02      Nucl.Phys. A161, 433 (1971)

F.Ingebretsen, B.W.Sargent, A.J.Ferguson, J.R.Leslie, A.Henrikson, J.H.Montague

Evidence for Vibrational Excited States in 32S

NUCLEAR REACTIONS 32S(p, p'γ), E=9.275 MeV; measured σ(Ep', Eγ, θ(p'γ)), Doppler-shift attenuation. 31P(p, γ), E=1.555 MeV; measured σ(Eγ, θ(γ)). 32S deduced levels, J, γ-mixing, T1/2, B(E2). Natural targets.

doi: 10.1016/0375-9474(71)90379-4
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1971LE21      Nucl.Phys. A170, 115 (1971)

J.R.Leslie, W.McLatchie, C.F.Monahan, J.K.Thrasher

Analogue States Excited in the Reaction 56Fe(p, γ)57Co

NUCLEAR REACTIONS 56Fe(p, γ), E=1.2-1.7 MeV; measured σ(E;Eγ, θ), Q. 57Co deduced levels, analog resonances, J, T, γ-mixing, resonance strengths. Natural target. 27Al(p, γ), E=992, 1262, 1381, 1389 keV; measured σ(E;Eγ). 28Si deduced resonance strengths.

doi: 10.1016/0375-9474(71)90686-5
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1971LE25      Phys.Lett. 36B, 76 (1971)

J.R.Leslie, D.J.Martin, W.McLatchie

Transitions between Analogue States of 55Fe

NUCLEAR REACTIONS 54Fe(p, γ), E=1803, 1887 keV; measured σ(Eγ, θ(γ)). 55Co deduced resonances, level-width, isobaric analogs, γ-branching, γ-mixing.

doi: 10.1016/0370-2693(71)90112-2
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1967LE10      Nuovo Cimento 50B, 389(1967)

J.R.Leslie, I.G.Main

Proton Capture by 23Na Yielding γ-Rays from the Giant Resonance of 24Mg

NUCLEAR REACTIONS 23Na(p, γ), E=5-14 MeV; measured σ(E;Eγ).

doi: 10.1007/BF02710898
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