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Search: Author = V.T.Koslowsky

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1997HA04      Nucl.Phys. A613, 183 (1997)

E.Hagberg, I.S.Towner, J.C.Hardy, V.T.Koslowsky, G.Savard, S.Sterbenz

Beta Decay of 44V and 52Co

RADIOACTIVITY 44,44mV, 52Co(β+) [from 40Ca(6Li, 2n), E=35 MeV; 40Ca(14N, 2n), E= MeV]; measured Eγ, Iγ, T1/2, γββ-, γγβ-coin. 44Ti, 52Fe deduced level energies, branching ratios, ft values. Hyperpure Ge detectors, plastic scintillators.

doi: 10.1016/S0375-9474(96)00432-0
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1997KO46      Nucl.Phys. A624, 293 (1997)

V.T.Koslowsky, E.Hagberg, J.C.Hardy, H.Schmeing, I.S.Towner

50Fe Beta Decay

RADIOACTIVITY 50Fe(β+) [from Ca(12C, 2n)]; measured Eγ, T1/2; deduced branching, consistency with conserved vector current hypothesis. Hyperpure Ge detector, plastic scintillator, high precision.

doi: 10.1016/S0375-9474(97)00370-9
Citations: PlumX Metrics

1997KO65      Nucl.Instrum.Methods Phys.Res. A401, 289 (1997)

V.T.Koslowsky, E.Hagberg, J.C.Hardy, G.Savard, H.Schmeing, K.S.Sharma, X.J.Sun

The Half-Lives of 42Sc, 46V, 50Mn and 54Co

RADIOACTIVITY 42Sc, 46V, 50Mn, 54Co(β+) [from 42Ca, 46Ti, 50Cr, 54Fe(p, n)]; measured T1/2. Mass-separated sources.

doi: 10.1016/S0168-9002(97)01017-6
Citations: PlumX Metrics

1997SA60      Nucl.Phys. A626, 353c (1997)

G.Savard, R.C.Barber, D.Beeching, F.Buchinger, J.E.Crawford, S.Gulick, X.Feng, E.Hagberg, J.C.Hardy, V.T.Koslowsky, J.K.P.Lee, R.B.Moore, K.S.Sharma, M.Watson

The Canadian Penning Trap Mass Spectrometer

doi: 10.1016/S0375-9474(97)00557-5
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1995SA16      Phys.Rev.Lett. 74, 1521 (1995)

G.Savard, A.Galindo-Uribarri, E.Hagberg, J.C.Hardy, V.T.Koslowsky, D.C.Radford, I.S.Towner

10C Superallowed Branching Ratio and the Cabibbo-Kobayashi-Maskawa Matrix Unitarity

RADIOACTIVITY 10C(β+) [from 10B(p, n)]; measured γγ-coin; deduced superallowed decay branching ratio, unitarity implications.

doi: 10.1103/PhysRevLett.74.1521
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1994HA43      Phys.Rev.Lett. 73, 396 (1994); Erratum Phys.Rev.Lett. 74, 1041 (1995)

E.Hagberg, V.T.Koslowsky, J.C.Hardy, I.S.Towner, J.G.Hykawy, G.Savard, T.Shinozuka

Tests of Isospin Mixing Corrections in Superallowed 0+ → 0+ β Decays

RADIOACTIVITY 38mK(β+); 46V(β+); 50Mn(β+); 54Co(β+); measured β-delayed γ spectra; deduced nonanalog 0+ → 0+ branching, limits, isospin mixing corrections implications.

doi: 10.1103/PhysRevLett.73.396
Citations: PlumX Metrics

1992HA10      Phys.Rev. C45, 1609 (1992)

E.Hagberg, X.J.Sun, V.T.Koslowsky, H.Schmeing, J.C.Hardy

Decays and Masses of 162,163Ta and Some Neighboring Nuclides

NUCLEAR REACTIONS 40Ca(127I, X), (127I, 4n), (127I, 5n), (127I, 6n), E=711 MeV; measured Eα, Iα, Eγ, Iγ; deduced σ(E) for residual production σ, yields.

RADIOACTIVITY 160,161,162,164Ta, 159,160,161,162,164Hf, 156,157,159Lu, 158Yb, 155Tm [from 40Ca(127I, X), E=711 MeV]; measured Eα, Iα, Eγ, Iγ, T1/2. 150,151Ho, 154,155Tm, 158,159Lu, 162,163Ta, 166,167Re, 170,171Ir, 174,175Au, 179,179mTl deduced mass excess. Other data input.

doi: 10.1103/PhysRevC.45.1609
Citations: PlumX Metrics

1992HA43      Nucl.Instrum.Methods Phys.Res. B70, 546 (1992)

E.Hagberg, K.S.Sharma, G.R.Dyck, V.T.Koslowsky, P.P.Unger, J.C.Hardy, H.Schmeing, R.C.Barber

Indirect Measurements of Beam-Energy Differences for Various Species of Ions Extracted from a FEBIAD Source

NUCLEAR REACTIONS 92Mo(19F, X), E=98 MeV; 92Mo(16O, X), E=92 MeV; 92Mo(14N, X), E=70 MeV; compiled, reviewed mass 106, 107, 108 radioactive beam production data; deduced beam energy differences for various ion species.

doi: 10.1016/0168-583X(92)95980-6
Citations: PlumX Metrics

1992XU04      Phys.Rev. C46, 510 (1992); Erratum Phys.Rev. C46, 2644 (1992)

S.-W.Xu, J.-S.Guo, S.-G.Yuan, M.-Q.Liu, E.Hagberg, V.T.Koslowsky, J.C.Hardy, G.Dyck, H.Schmeing

Decay of 120Ba

RADIOACTIVITY 120Ba(β+), (EC) [from 106Cd(16O, 2n), E=78 MeV]; measured Eγ, Iγ, βγ(t), γγ(t), γ(X-ray)-coin, β-endpoint energy; deduced T1/2, Q(EC), log ft. 120Cs deduced levels, J, π.

doi: 10.1103/PhysRevC.46.510
Citations: PlumX Metrics

1991SH19      Phys.Rev. C44, 2439 (1991)

K.S.Sharma, E.Hagberg, G.R.Dyck, J.C.Hardy, V.T.Koslowsky, H.Schmeing, R.C.Barber, S.Yuan, W.Perry, M.Watson

Masses of 103,104,105In and 72,73Br

NUCLEAR REACTIONS 92Mo(16O, X), E=63 MeV; measured mass specific γ-spectra. 103,104,105In, 72,73Br deduced mass ratios. 104In, 72Br deduced masses. On-line isotope separation, mass-spectrometric techniques, other data input.

doi: 10.1103/PhysRevC.44.2439
Citations: PlumX Metrics

1991XU05      High Energy Phys. and Nucl.Phys. (China) 15, 170 (1991)

S.Xu, S.Yuan, J.Guo, M.Liu, E.Hagberg, V.T.Koslowsky, G.Dyck, J.C.Hardy, H.Schmeing

The Decay of 120Ba

1990HA13      Nucl.Phys. A509, 429 (1990)

J.C.Hardy, I.S.Towner, V.T.Koslowsky, E.Hagberg, H.Schmeing

Superallowed 0+ → 0+ Nuclear β-Decays: A critical survey with tests of CVC and the standard model

RADIOACTIVITY 14O, 26mAl, 34Cl, 38mK, 42Sc, 46V, 50Mn, 54Co; analyzed T1/2, other data; deduced up-down quark mixing element.

doi: 10.1016/0375-9474(90)90086-2
Citations: PlumX Metrics

1989CL02      Nucl.Phys. A493, 293 (1989)

E.T.H.Clifford, E.Hagberg, J.C.Hardy, H.Schmeing, R.E.Azuma, H.C.Evans, V.T.Koslowsky, U.J.Schrewe, K.S.Sharma, I.S.Towner

The Decay of 20Na: Measurements of isospin mixing and the weak vector coupling constant as well as other new decay data

RADIOACTIVITY 20Na [from 12C(10B, 2n), mass separation]; measured β+ rays, β-delayed Eα, Iα, Eγ, Iγ, T1/2, I(Eγ), (βα)-coin; deduced ft values, βνα-triple correlation coefficients, vector weak coupling constants. 20Ne deduced branching ratios, Gamow-Teller matrix elements, levels, isospin mixing amplitudes. Natural target, Ge(Li), Si surface barrier detectors, NE102A plastic scintillator-Si surface barrier detector telescopes.

doi: 10.1016/0375-9474(89)90399-0
Citations: PlumX Metrics

1989RY04      Nucl.Phys. A499, 529 (1989)

K.Rykaczewski, K.-L.Gippert, N.Kaffrell, R.Kirchner, O.Klepper, V.T.Koslowsky, W.Kurcewicz, W.Nazarewicz, E.Roeckl, E.Runte, D.Schardt, W.-D.Schmidt-ott, P.Tidemand-Petersson

Investigation of Neutron-Rich Rare-Earth Nuclei Including the New Isotopes 177Tm and 184Lu

RADIOACTIVITY 177Tm, 184Lu [from W(136Xe, X), E=9, 11.7 MeV/nucleon; W(186W, X), E=11.7, 15 MeV/nucleon; W(238U, X), E=11.4 MeV/nucleon; mass separation]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2. 177Yb, 184Hf deduced levels, J, π. Plastic scintillators, Ge detectors.

NUCLEAR STRUCTURE 171Er, 180Yb, 180,181,183,185Lu, 175,177,179,181,183,185Hf; calculated levels, allowed unhindered beta transitions. Deformed shell model.

doi: 10.1016/0375-9474(89)90544-7
Citations: PlumX Metrics

1989SH10      Nucl.Instrum.Methods Phys.Res. A275, 123 (1989)

K.S.Sharma, H.Schmeing, H.C.Evans, E.Hagberg, J.C.Hardy, V.T.Koslowsky

The Direct Determination of the Masses of Unstable Atoms with the Chalk River On-Line Isotope Separator

ATOMIC MASSES 72Br, 63Ga; measured masses. On-line isotope separator.

doi: 10.1016/0168-9002(89)90342-2
Citations: PlumX Metrics

1988TU05      Z.Phys. A331, 109 (1988)

R.Turcotte, H.Dautet, S.K.Mark, E.Hagberg, V.T.Koslowsky, J.C.Hardy, H.Schmeing

Decay of 140Gd to States in N = 77 140Eu

RADIOACTIVITY 140Gd(EC) [from 112Sn(32S, 2n2p), E=167 MeV]; measured γγ-, (X-ray)γ-coin, Eγ, Iγ, I(ce), γ-multiplicity; deduced T1/2, log ft. 140Eu deduced levels, J, π, (β++EC) branching, γ-multipolarity, ICC.

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
Citations: PlumX Metrics

1987KO34      Nucl.Phys. A472, 419 (1987)

V.T.Koslowsky, J.C.Hardy, E.Hagberg, R.E.Azuma, G.C.Ball, E.T.H.Clifford, W.G.Davies, H.Schmeing, U.J.Schrewe, K.S.Sharma

The Precise Determination of Q(EC)-Value Differences between Four Pairs of Superallowed β-Emitters: 14O and 26mAl, 26mAl and 42Sc, 42Sc and 54Co, 50Mn and 54Co

NUCLEAR REACTIONS 14N, 26Mg(3He, t), E=25 MeV; 50Cr, 54Fe(3He, t), E=29 MeV; 26Mg, 42Ca(3He, t), E=18.86 MeV; 42Ca, 54Fe(3He, t), E=18.89 MeV; measured triton energy differences; deduced Q-value differences. 14O, 26mAl, 42Sc, 54Co, 50Mn deduced Q(EC) differences. Q3D spectrometer, enriched composite targets, high voltage target assembly.

doi: 10.1016/0375-9474(87)90041-8
Citations: PlumX Metrics

1987SE07      Nucl.Phys. A467, 93 (1987)

T.Sekine, J.Cerny, R.Kirchner, O.Klepper, V.T.Koslowsky, A.Plochocki, E.Roeckl, D.Schardt, B.Sherrill, B.A.Brown

The Beta Decay of 48Mn: Gamow-Teller quenching in fp-shell nuclei

NUCLEAR STRUCTURE 48V, 48Cr; calculated levels. 44V, 48Ca; calculated Gamow-Teller transition strength distribution. Shell model.

RADIOACTIVITY 48Mn(β+p) [from 12C(40Ca, 3np), E=11.4 MeV/nucleon]; measured β-delayed E(p), I(p), Eγ, βγ-, γγ-coin, T1/2; deduced log ft. 48Cr deduced levels, I(β), γ-branching. Plastic scintillator, Ge(Li), surface barrier Si detectors. On-line mass separation.

doi: 10.1016/0375-9474(87)90330-7
Citations: PlumX Metrics

1985KI08      Nucl.Instrum.Methods 234, 224 (1985)

R.Kirchner, D.Marx, O.Klepper, V.T.Koslowsky, T.Kuhl, P.O.Larsson, E.Roeckl, K.Rykaczewski, D.Schardt, J.Eberz, G.Huber, H.Lochmann, R.Menges, G.Ulm

Intense Beams of Mass-Separated, Neutron-Deficient Indium, Tin, Thallium and Lead Isotopes

NUCLEAR REACTIONS 98Mo(16O, xnp)112In/111In/110In/109In/108In/107In/106In/105In, E=50-160 MeV/nucleon; calculated residuals production σ(E). 92,94,98Mo(16O, xn), (16O, xnp)104Sn/105Sn/106Sn/107Sn/108Sn/109Sn/110Sn/111Sn/112Sn/104In/105In/106In/107In/108In/109In/110In/111In, E not given; measured residuals ground state, isomer production rates.

doi: 10.1016/0168-9002(85)90909-X
Citations: PlumX Metrics

1985RA19      Z.Phys. A321, 599 (1985)

G.-E.Rathke, K.Rykaczewski, R.Kirchner, O.Klepper, V.T.Koslowsky, E.Roeckl, D.Schardt, I.S.Grant, P.O.Larsson, A.Plochocki, J.Zylicz, P.Tidemand-Petersson

Decay Properties of the New Proton-Rich Nucleus 104Sn: Mass determinations beyond the proton drip line

RADIOACTIVITY 104Sn(β+), (EC) [from 50Cr(58Ni, 2n2p), E=4.68 MeV/nucleon]; measured Eγ, Iγ, γγ-, γ(X-ray)-coin; deduced Q(EC), T1/2. 104In deduced levels, (β+/(β++EC)) ratios. 108Te, 109I, 112Xe, 113Cs deduced mass excess. Other data input.

NUCLEAR REACTIONS 50Cr(58Ni, 2n2p), E=4.68 MeV/nucleon; measured Eγ, Iγ, γγ-, γ(X-ray)-coin.

doi: 10.1007/BF01432436
Citations: PlumX Metrics

1985RY02      Z.Phys. A322, 263 (1985)

K.Rykaczewski, I.S.Grant, R.Kirchner, O.Klepper, V.T.Koslowsky, P.O.Larson, E.Nolte, G.Nyman, E.Roeckl, D.Schardt, L.Spanier, P.Tidemand-Petersson, E.F.Zganjar, J.Zylicz

The Gamow-Teller Transitions in the 96Pd → 96Rh Decay

RADIOACTIVITY 96Pd(EC), (β+) [from 60Ni(40Ca, xnyp), E=167 MeV]; measured Eγ, Iγ, γγ-coin; deduced Q(EC), mass excess, (β+/(EC+β+)) branching ratios. 96Rh deduced levels, J, π, γ-multipolarity, Gamow-Teller transition strengths.

doi: 10.1007/BF01411890
Citations: PlumX Metrics

1984SC06      Z.Phys. A315, 49 (1984)

U.J.Schrewe, E.Hagberg, H.Schmeing, J.C.Hardy, V.T.Koslowsky, K.S.Sharma

Alpha Decay of Neutron-Deficient Rhenium and Osmium Isotopes

NUCLEAR REACTIONS, ICPND 144Sm(27Al, 2n), (27Al, 3n), (27Al, 4n), (27Al, 5n), (27Al, 6n), E=130 MeV; 144Sm(28Si, 2n), (28Si, 3n), (28Si, 4n), (28Si, 5n), (28Si, 6n), E=155 MeV; measured residuals yields vs compound nucleus excitation. 144Sm(28Si, xn), E=130, 140, 145, 150, 155 MeV; measured Eα.Iα. 144Sm(27Al, xn), E=138, 150 MeV; measured Eα, Iα.

RADIOACTIVITY 168,169,170Os(α) [from 144Sm(28Si, xn), E=130-155 MeV]; 168,168m,167,166,169mRe(α) [from 144Sm(27Al, xn), E=138, 150 MeV]; measured Eα, Iα, T1/2.

doi: 10.1007/BF01436208
Citations: PlumX Metrics

1983CL01      Phys.Rev.Lett. 50, 23 (1983)

E.T.H.Clifford, J.C.Hardy, H.Schmeing, R.E.Azuma, H.C.Evans, T.Faestermann, E.Hagberg, K.P.Jackson, V.T.Koslowsky, U.J.Schrewe, K.S.Sharma, I.S.Towner

Kinematic Shifts in the β-Delayed Particle Decay of 20Na, and the β-ν Angular Correlation

RADIOACTIVITY 20Na(β+), (EC) [from 12C(10B, 2n), E=50 MeV]; measured βν(θ), βνα-coin; deduced β-delayed α-particle kinematic shifts, triple correlation coefficient; deduced superallowed β-decay vector weak coupling constant.

doi: 10.1103/PhysRevLett.50.23
Citations: PlumX Metrics

1983HA06      Nucl.Phys. A395, 152 (1983)

E.Hagberg, J.C.Hardy, H.Schmeing, E.T.H.Clifford, V.T.Koslowsky

The Decays of the T(z) = (-3/2) β-Delayed Proton Precursors 83Zr, 87Mo and 91mRu

RADIOACTIVITY 83Zr(β+p) [from 54Fe(32S, 2pn)]; 87Mo(β+p) [from 58Ni(32S, 2pn)]; 91mRu(β+p) [from 54Fe(40Ca, 2pn)]; measured β-delayed protons, p(X-ray)-, (X-ray)γ-, pγ-coin, T1/2. 83Zr, 87Mo levels deduced branching ratios, proton endpoint energies. 83Zr deduced mass excess. Enriched targets, Ge(Li), hyperpure, surface barrier Si detectors.

doi: 10.1016/0375-9474(83)90092-1
Citations: PlumX Metrics

1983KO22      Nucl.Phys. A405, 29 (1983)

V.T.Koslowsky, E.Hagberg, J.C.Hardy, R.E.Azuma, E.T.H.Clifford, H.C.Evans, H.Schmeing, U.J.Schrewe, K.S.Sharma

The Half-Lives of 26mAl, 34Cl, 38mK: Precision measurements with isotope-separated samples

RADIOACTIVITY 26mAl(β+) [from 12C(16O, pn)]; 34Cl(β+) [from 12C(28Si, 3p3n)]; 38mK(β+) [from 12C(28Si, pn)]; measured T1/2. 4π gas proportional counter, mass separated sources.

doi: 10.1016/0375-9474(83)90321-4
Citations: PlumX Metrics

1983SC18      Z.Phys. A310, 295 (1983)

U.J.Schrewe, E.Hagberg, H.Schmeing, J.C.Hardy, V.T.Koslowsky, K.S.Sharma

164Ta, Identification of a New Isotope

NUCLEAR REACTIONS 127I(40Ca, 3n), E=160-180 MeV; measured Eγ, Iγ, Eα, Iα, γγ-, X-ray(γ)-coin, X-ray, γ yields vs E. 164Ta deduced T1/2, α-branching, α-reduced width. 164Hf deduced possible α-transitions.

doi: 10.1007/BF01419515
Citations: PlumX Metrics

1982HA32      Nucl.Phys. A383, 109 (1982)

E.Hagberg, J.C.Hardy, H.Schmeing, H.C.Evans, U.J.Schrewe, V.T.Koslowsky, K.S.Sharma, E.T.H.Clifford

The Decay of a New Nuclide: 71Br

RADIOACTIVITY 71Br [from 40Ca(35Cl, 2n2p), mass separation]; measured T1/2, Eγ, Iγ, γγ-coin. 71Se deduced levels, T1/2, transition, possible J, π, γ-multipolarity. Ge(Li), Ge detectors.

doi: 10.1016/0375-9474(82)90079-3
Citations: PlumX Metrics

1982KO28      Phys.Lett. 119B, 57 (1982)

V.T.Koslowsky, J.C.Hardy, R.E.Azuma, G.C.Ball, E.T.H.Clifford, W.G.Davies, E.Hagberg, H.Schmeing, U.J.Schrewe, K.S.Sharma

Fermi Beta-Decay: Precision Q-value doublet measurements by a new technique

NUCLEAR REACTIONS 14N, 26Mg(3He, t), E not given; measured σ(Et, θ=0°), Q-value difference. 26mAl, 14O deduced superallowed β-decay Q(EC) difference, ft. Doublet technique.

doi: 10.1016/0370-2693(82)90242-8
Citations: PlumX Metrics

1982SC15      Phys.Rev. C25, 3091 (1982)

U.J.Schrewe, E.Hagberg, H.Schmeing, J.C.Hardy, V.T.Koslowsky, K.S.Sharma, E.T.H.Clifford

Decay Studies of the New Isotopes 162,163Hf

RADIOACTIVITY 162,163Hf [from 142Nd(24Mg, xn), E=105-133 MeV]; measured Eγ, Iγ, Eα, Iα, γγ-coin, T1/2. 162Hf deduced reduced α-width, Qα, α-branching, mass excess. 163Lu deduced levels, γ-branching, γ-multipolarity. 162Lu deduced levels, γ-branching. Helium jet, hyperpure Ge, Ge(Li), Si surface barrier detectors.

NUCLEAR REACTIONS 142Nd, 141Pr(24Mg, xn), E=110-130 MeV; measured production σ(E) for 163,162,161Hf, 162,161,160Lu. Activation technique.

doi: 10.1103/PhysRevC.25.3091
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