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Search: Author = U.J.Schrewe

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1989BR06      Nucl.Instrum.Methods Phys.Res. A274, 332 (1989)

H.J.Brede, G.Dietze, K.Kudo, U.J.Schrewe, F.Tancu, C.Wen

Neutron Yields from Thick Be Targets Bombarded with Deuterons or Protons

NUCLEAR REACTIONS 9Be(d, xn), E=9.4-13.6 MeV; 9Be(p, xn), E=17.2-22 MeV; measured thick target yields.

doi: 10.1016/0168-9002(89)90399-9
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0523.

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

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

1986RU05      Z.Phys. A324, 119 (1986)

E.Runte, T.Hild, W.-D.Schmidt-Ott, U.J.Schrewe, P.Tidemand-Petersson, R.Michaelsen

Completion of α-Decay Chains: The α-decay of 162Ta and 163Ta

NUCLEAR REACTIONS 130Ba(35Cl, 4n), (35Cl, 5n), E=200 MeV; 133Cs(36Ar, 6n), (36Ar, 7n), E=280 MeV; measured Eα, Iα, Eγ, Iγ, E(X-ray), I(X-ray); deduced evidence for 162,163Ta.

RADIOACTIVITY 160,161Ta(α) [from 130Ba(35Cl, xn), E=200 MeV]; measured Eα, Iα, Eγ, Iγ, E(X-ray), I(X-ray), T1/2. 162,163Ta(α) [from 133Cs(36Ar, xn), E=280 MeV]; measured Eα, Iα, Eγ, Iγ, E(X-ray), I(X-ray). 162Ta deduced α-decay branch.

1985SC09      Z.Phys. A320, 595 (1985)

U.J.Schrewe, H.Dornhofer, E.Runte, W.-D.Schmidt-Ott, P.Tidemand-Petersson, R.Michaelsen

Atomic Masses of 147m, 148m, 149mTb, 148Dy, 150m, 152mHo Derived from Decay Properties

RADIOACTIVITY 147m,148m,149mTb, 148Dy, 150,152mHo(EC), (β+); measured γγ-, γ(X-ray)-coin; deduced Q(EC), mass excess. 148Gd, 150,152Dy levels deduced (β+/(EC+β+)).

NUCLEAR REACTIONS 112Cd, 114,116Sn(40Ar, xnyp), E=200-240 MeV; measured γγ-, γ(X-ray)-coin.

doi: 10.1007/BF01411858
Citations: PlumX Metrics

1985TI01      Z.Phys. A320, 405 (1985)

P.Tidemand-Petersson, E.Runte, W.-D.Schmidt-Ott, U.J.Schrewe

Decay Energies of the Low-Spin States of 147Tb and 148Tb

RADIOACTIVITY 147,148Tb(EC), (β+) [from 112Cd(40Ar, xnp)]; measured γγ-, γ(X-ray)-coin, I(ce), γγ(θ), γ-anisotropy; deduced Q(EC). 147,148Gd levels deduced (EC/β+) branching ratio, end-point energy. 147,148Tb, 151,152Ho, 155,156Tm, 159Lu deduced mass excess. Other data input.

doi: 10.1007/BF01415717
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
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1984SC18      Z.Phys. A317, 305 (1984)

U.J.Schrewe, E.Voth, U.Bosch, W.-D.Schmidt-Ott, H.Behrens

Precise Atomic Masses of 147Eu, 147Gd, and 151Tb Derived from Their Decay Properties

NUCLEAR REACTIONS 147Sm(d, 2n), E=15 MeV; 144Sm(α, n), E=22 MeV; 151Eu(α, 4n), E=54 MeV; measured Eγ, Iγ, E X-ray, I X-ray, γγ-, γX-ray-coin. 147Eu, 147Gd, 151Tb deduced β-decay energies, Q(EC), mass.

RADIOACTIVITY 147Eu(β+), (EC), (α) [from 147Sm(d, 2n), E=15 MeV; 144Sm(α, n), E=22 MeV]; 147Gd(β+), (EC) [from 144Sm(α, 2n), E=22 MeV; 151Tb(β+), (EC), (α) [from 151Eu(α, 4n), E=54 MeV]; measured Eγ, Iγ, E X-ray, I X-ray, γγ-, γX-ray-coin. 147Eu, 147Gd deduced K-capture probability, (β+/(EC+β+)) branching, Q(EC), mass. 151Tb deduced mass, Q(EC), (β+/(EC+β+)) branching.

doi: 10.1007/BF01438362
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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

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
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1983SC28      Z.Phys. A313, 137 (1983)

U.J.Schrewe, W.-D.Schmidt-Ott

Atomic Mass of 145Eu Derived from Relative P(K)-Ratios

RADIOACTIVITY 145Eu(EC), (β+) [from 144Sm(d, n), E=11 MeV]; measured Eγ, Iγ, (K X-ray)γ-coin; deduced Q(EC), mass excess. 145Sm levels deduced K-capture probability ratios.

doi: 10.1007/BF02115852
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
Citations: PlumX Metrics

1981KA07      Phys.Rev. C23, 1274 (1981)

R.Kantus, U.J.Schrewe, W.-D.Schmidt-Ott, R.Michaelsen

Decay Properties of 146Gd

RADIOACTIVITY 146Gd [from 144Sm(α, 2n), E=27 MeV], 150Dy [from 141Pr(14N, 5n), E=85 MeV]; measured Eγ, Iγ, γγ-, γ(X-ray)-coin; deduced Q(EC). 146Eu deduced levels, J, π.

doi: 10.1103/PhysRevC.23.1274
Citations: PlumX Metrics

1981MI12      Z.Phys. A301, 199 (1981)

P.Misaelides, P.Tidemand-Petersson, U.J.Schrewe, I.S.Grant, R.Kirchner, O.Klepper, I.C.Malcolm, P.J.Nolan, E.Roeckl, W.-D.Schmidt-Ott, J.L.Wood

The α- and β-Decay of 187Pb

RADIOACTIVITY 187Pb [from 142Nd(48Ti, 3n), E=235 MeV; 107Ag(84Kr, 3np)]; measured Eγ, Iγ, γγ-, αγ-, γ(X-ray)-coin, Eα, Iα, T1/2(α). 187Tl deduced levels, T1/2, J, π. 183Hg deduced levels, J, π, γ-multipolarity.

doi: 10.1007/BF01416294
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1981SC21      Phys.Rev. C24, 2695 (1981)

W.-D.Schmidt-Ott, R.Kantus, E.Runte, U.J.Schrewe, R.Michaelsen

Atomic Masses of 148Dy and 148Tb (T1/2 = 2.2 min)

RADIOACTIVITY 148Dy, 148Tb [from 141Pr(14N, X), E=120 MeV]; measured γγ-, (X-ray)γ-coin, Eγ, Iγ; deduced Q(EC), end-point energy Eβ+, mass excess.

doi: 10.1103/PhysRevC.24.2695
Citations: PlumX Metrics

1980HA23      Z.Phys. A295, 341 (1980)

A.J.Hautojarvi, U.J.Schrewe, W.-D.Schmidt-Ott

Decay Properties of 76mBr

RADIOACTIVITY 76Br [from 75As(α, 3n), E=30-55 MeV]; measured Eγ, Iγ, E(X), I(X-ray), I(ce), T1/2. 76Br deduced levels, multipolarities, ICC.

1980SC09      Phys.Lett. 91B, 46 (1980)

U.J.Schrewe, P.Tidemand-Petersson, G.M.Gowdy, R.Kirchner, O.Klepper, A.Plochocki, W.Reisdorf, E.Roeckl, J.L.Wood, J.Zylicz, R.Fass, D.Schardt

Alpha Decay of Neutron-Deficient Isotopes with 78 ≤ Z ≤ 83 Including the New Isotopes 183,184Pb and 188Bi

RADIOACTIVITY 183,184,185Pb, 182,183,184Hg, 178,179Pt, 183Tl; measured Eα, T1/2, α-branching ratios, reduced Γα. 188Bi; measured E(α), T1/2.

NUCLEAR REACTIONS 142,146Nd, 107Ag(48Ti, X), (84Kr, X), E=4.6-6.3 MeV/nucleon; measured Eα, Iα, T1/2; deduced evidence for 183,184Pb, 188Bi.

doi: 10.1016/0370-2693(80)90659-0
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1979PL06      Nucl.Phys. A332, 29 (1979)

A.Plochocki, G.M.Gowdy, R.Kirchner, O.Klepper, W.Reisdorf, E.Roeckl, P.Tidemand-Petersson, J.Zylicz, U.J.Schrewe, R.Kantus, R.-D.Von Dincklage, W.D.Schmidt-Ott

Masses of Very Neutron-Deficient Nuclei in the Tin Region

RADIOACTIVITY 108,106Sn, 104Cd [from 58Ni(58Ni, xnyp), 102Pd(α, 2n)]; measured Eγ, Iγ, γγ-coin; deduced Q(ϵ), mass excesses. On-line mass separation, chemical separation. Enriched, natural targets. Ge(Li) detectors.

doi: 10.1016/0375-9474(79)90092-7
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1978SC26      Z.Phys. A288, 189 (1978)

U.J.Schrewe, W.-D.Schmidt-Ott, R.-D.v.Dincklage, E.Georg, P.Lemmertz, H.Jungclas, D.Hirdes

Evidence of New Isotopes: 169,170Ir, 166,167,168Re

RADIOACTIVITY 172,171,170,169Ir, 168,167,166Re, 171,170,169,168Os; measured Eα, T1/2; deduced α-branching.

doi: 10.1007/BF01408649
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1978SC30      Z.Phys. A289, 121 (1978)

W.-D.Schmidt-Ott, A.J.Hautojarvi, U.J.Schrewe

New Isomeric State in 76Br with Half-Life 1.49 sec

NUCLEAR REACTIONS Se(d, xnγ), 75As(α, xnγ), E not given; measured Eγ, Iγ, I(ce). 76mBr deduced level, T1/2, J, π.

doi: 10.1007/BF01408504
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1977SC10      Z.Phys. A281, 125 (1977)

U.J.Schrewe, W.-D.Schmidt-Ott

Investigation of Dual Decay of 70Ga (21 min)

RADIOACTIVITY 70Ga; measured β, γ, X-ray spectra; deduced weak β-, EC branching. 70Ge deduced transitions.

doi: 10.1007/BF01408623
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