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Search: Author = F.Meissner

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2004ME06      Nucl.Phys. B(Proc.Supp.) S126, 59 (2004)

F.Meissner, V.B.Morozov, for the STAR Collaboration

Coherent Electromagnetic Processess in Ultra-Peripheral Heavy-Ion Collisions

NUCLEAR REACTIONS 197Au(197Au, X), E(cm)=130, 200 GeV/nucleon; measured ρ0 and e+e- production associated transverse momentum, mass, and rapidity distributions. Comparison with model predictions.

doi: 10.1016/j.nuclphysbps.2003.11.011
Citations: PlumX Metrics

2003ME05      Nucl.Phys. A715, 522c (2003)

F.Meissner, and the STAR Collaboration

Coherent Vector Meson Production in Ultra-Peripheral Heavy-Ion Collisions at STAR

NUCLEAR REACTIONS 197Au(197Au, X), E(cm)=130, 200 GeV/nucleon; measured ρ0 meson production associated transverse momentum, rapidity distributions, σ. Ultra-peripheral collisions.

doi: 10.1016/S0375-9474(02)01506-3
Citations: PlumX Metrics

2000ME08      Nucl.Phys. A666-667, 310c (2000)

F.Meissner, for the HERMES-Collaboration

Spin Asymmetries in Exclusive ρ, Φ, and J/ψ Production at HERMES

NUCLEAR REACTIONS 1H(polarized e, X), E=27.5 GeV; measured ρ, Φ, J/ψ production longitudinal asymmetry. Polarized target.

doi: 10.1016/S0375-9474(00)00043-9
Citations: PlumX Metrics

1997TR05      Nucl.Phys. A620, 191 (1997)

W.Trinder, E.G.Adelberger, B.A.Brown, Z.Janas, H.Keller, K.Krumbholz, V.Kunze, P.Magnus, F.Meissner, A.Piechaczek, M.Pfutzner, E.Roeckl, K.Rykaczewski, W.-D.Schmidt-Ott, M.Weber

Study of the β Decays of 37Ca and 36Ca

RADIOACTIVITY 37,36Ca(β+p) [from 9Be(40Ca, X), E=300 MeV/nucleon]; measured β-delayed Ep, Ip, Eγ, Iγ, βγ-, βγp-coin, T1/2. 37K deduced levels isospin mixing. 36K levels deduced J, π assignment nonvalidity. Ge, Si detectors. sd-shell model.

doi: 10.1016/S0375-9474(97)00163-2
Citations: PlumX Metrics

1995HI02      Phys.Rev. C51, 1736 (1995)

T.Hild, W.-D.Schmidt-Ott, V.Kunze, F.Meissner, C.Wennemann, H.Grawe

α and β Decays of 169-173Os and the Nuclear Structure of the Daughter Isotopes

RADIOACTIVITY 168,169Os(α) [from 114Cd(58Ni, xn), E=212-267 MeV]; measured Eα, Iα, T1/2, αγ-coin. 170,171,172,173Os(α), (β+), (EC) [from 140Ce(36Ar, xn), E=178-210 MeV]; measured Eα, Iα, Eγ, Iγ, T1/2, γγ-, αγ-coin. 170,171,172,173Os deduced α-branching. 165,167W deduced levels, J, π, configuration. 170,172Re deduced levels. 171,173Re deduced levels, probable J, π, configuration. Ge(Si) detectors.

doi: 10.1103/PhysRevC.51.1736
Citations: PlumX Metrics

1995HI12      Phys.Rev. C52, 2236 (1995)

T.Hild, W.-D.Schmidt-Ott, V.Kunze, F.Meissner, H.Salewski, K.S.Toth, R.Michaelsen

Decays of 160-162Hf

RADIOACTIVITY 160,161,162Hf(α), (β+) [from 135Ba(32S, X), E=240 MeV]; measured Eγ, Iγ, T1/2, Eα, Iα. 161,162Lu deduced transitions. 163Hf level deduced α branching ratio.

doi: 10.1103/PhysRevC.52.2236
Citations: PlumX Metrics

1995KR04      Z.Phys. A351, 11 (1995)

K.Krumbholz, W.-D.Schmidt-Ott, T.Hild, V.Kunze, F.Meissner, C.Wennemann, H.Keller, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt, K.Rykaczewski

Evidence for the I(π) = 8-, K = 8 Isomeric State in 184Hf

NUCLEAR REACTIONS W(136Xe, X), E=11.4 MeV/nucleon; measured Eβ, Iβ, Eγ, Iγ, βγ-, γγ-coin.

RADIOACTIVITY 184Lu(β-) [from W(136Xe, X), E=11.4 MeV/nucleon]; measured Eβ, Iβ, Eγ, Iγ, βγ-, γγ-coin. 184Lu deduced T1/2. 184Hf deduced levels, Eγ, relative Iγ, T1/2.

doi: 10.1007/BF01292780
Citations: PlumX Metrics

1995ME03      Phys.Rev. C51, 1558 (1995)

F.Meissner, T.Hild, V.Kunze, W.-D.Schmidt-Ott, C.Wennemann, P.C.Sood, R.Kirchner, E.Roeckl, K.Rykaczewski

Allowed-Unhindered β Decay of 180Yb and the Nuclear Structure of 180Lu

RADIOACTIVITY 180Yb(β-) [from W(197Au, X), Re(136Xe, X), E=11 MeV/nucleon]; measured Eγ, Iγ, βγ-, γγ-coin, I(ce); deduced log ft. 180Lu levels deduced J, π, configurations. Model comparison.

NUCLEAR STRUCTURE 180Yb, 180Lu; calculated levels. Zero-range residual p-n interaction, two quasiparticle band-head energy calculations.

doi: 10.1103/PhysRevC.51.1558
Citations: PlumX Metrics

1995TR02      Phys.Lett. 348B, 331 (1995)

W.Trinder, E.G.Adelberger, B.A.Brown, Z.Janas, H.Keller, K.Krumbholz, V.Kunze, P.Magnus, F.Meissner, A.Piechaczek, M.Pfutzner, E.Roeckl, K.Rykaczewski, W.-D.Schmidt-Ott, M.Weber

Gamow-Teller Strength in the β-Decay of 36Ca

RADIOACTIVITY 36Ca(β+p); measured βγ-coin, β+-delayed proton spectra, T1/2; deduced log ft, Gamow-Teller transition strength.

doi: 10.1016/0370-2693(95)00130-D
Citations: PlumX Metrics

1995TR03      Phys.Lett. 349B, 267 (1995)

W.Trinder, E.G.Adelberger, Z.Janas, H.Keller, K.Krumbholz, V.Kunze, P.Magnus, F.Meissner, A.Piechaczek, M.Pfutzner, E.Roeckl, K.Rykaczewski, W.-D.Schmidt-Ott, M.Weber

β-Decay of 37Ca

RADIOACTIVITY 37Ca(β+p); measured βγ-coin, T1/2; deduced Gamow-Teller transition strength. 37K levels deduced Γγ/Γp. Comparison with other data.

doi: 10.1016/0370-2693(95)00282-P
Citations: PlumX Metrics

1994SC40      Z.Phys. A350, 215 (1994)

W.-D.Schmidt-Ott, K.Asahi, Y.Fujita, H.Geissel, K.-D.Gross, T.Hild, H.Irnich, M.Ishihara, K.Krumbholz, V.Kunze, A.Magel, F.Meissner, K.Muto, F.Nickel, H.Okuno, M.Pfutzner, C.Scheidenberger, K.Suzuki, M.Weber, C.Wennemann

Spin Alignment of 43Sc Produced in the Fragmentation of 500 MeV/u 46Ti

NUCLEAR REACTIONS 9Be(46Ti, X), E=500 MeV/nucleon; measured γ(θ, H, t). 43mSc deduced spin alignment. Projectile fragmentation.

doi: 10.1007/BF01289585
Citations: PlumX Metrics

1994WE02      Z.Phys. A347, 185 (1994)

Ch.Wennemann, W.-D.Schmidt-Ott, T.Hild, K.Krumbholz, V.Kunze, F.Meissner, H.Keller, R.Kirchner, E.Roeckl

Investigation of New Neutron-Rich Gold Isotopes 203Au and 205Au

RADIOACTIVITY 203,205Au(β-) [from W(208Pb, X), E=11.4 MeV/nucleon]; measured β-delayed Eγ, Iγ, βγ-coin; deduced Q. 203,205Hg deduced levels, J, π. Model comparison.

NUCLEAR REACTIONS, ICPND W(208Pb, X)203Au/205Au, E=11.4 MeV/nucleon; measured β-delayed Eγ, Iγ, βγ-coin; deduced residuals production yields.

doi: 10.1007/BF01292375
Citations: PlumX Metrics

1993BO14      Z.Phys. A345, 171 (1993)

U.Bosch-Wicke, W.-D.Schmidt-Ott, K.Rykaczewski, K.Becker, T.Hild, H.Keller, V.Kunze, F.Meissner, R.Kirchner, A.Piechaczek, E.Roeckl

Spectroscopic Investigations of 179Yb-Decay Including a ms-Isomer in 179Lu

RADIOACTIVITY 179Yb(β-) [from Re(136Xe, X), E=11.6 MeV/nucleon; W(197Au, X), E=11.4 MeV/nucleon]; measured Eγ, Iγ, β-spectra, βγ-, γγ-, γ(X-ray)-coin. 179Lu deduced isomer, T1/2, decay features.

1993ME13      Phys.Rev. C48, 2089 (1993)

F.Meissner, H.Salewski, W.-D.Schmidt-Ott, U.Bosch-Wicke, V.Kunze, R.Michaelsen

Excited States in Neutron-Deficient Iridium Nuclei Populated in Radioactive Decays of 177-181Pt

RADIOACTIVITY 177,178,179,180,181Pt(β+) [from 146,148Nd(36Ar, xn), E=172-201 MeV]; measured T1/2, Eγ, Iγ, γγ-coin. 177,179,181Ir deduced levels, J, π. Enriched targets, Ge(Li) detectors, He-jet.

doi: 10.1103/PhysRevC.48.2089
Citations: PlumX Metrics

1992BO19      Z.Phys. A341, 245 (1992)

U.Bosch-Wocke, W.-D.Schmidt-Ott, F.Meissner, H.Salewski, R.Michaelsen

The Decay of the Isotopes 179Ir and 180Ir

RADIOACTIVITY 179,180Ir(EC), (β+) [from 148Nd(36Ar, X), E=240 MeV]; measured Eγ, Iγ, E X-ray, I X-ray, γ(X-ray)-coin. 179Ir deduced T1/2, decay scheme. 180Ir level deduced possible J, π, configuration, decay scheme. 179,180Os deduced transitions.

1992ME10      Z.Phys. A343, 283 (1992)

F.Meissner, H.Salewski, W.-D.Schmidt-Ott, U.Bosch-Wicke, R.Michaelsen

Revision of the Decay Data of 166-170Re, Including New Isomer 167m,169mRe

NUCLEAR REACTIONS 141Pr(32S, xn), E=178, 190, 204 MeV; measured Eγ, Iγ, α-, γ-relative yields, αγ-coin. 167,169Re deduced α-decaying isomer pairs.

RADIOACTIVITY 166,167,168,169Re(β+), (EC), (α) [from 141Pr(32S, xn), E=178-204 MeV]; measured γ(X-ray)-coin, Eγ, Iγ, following β-decay, α-, γ-relative yields, αγ-coin; deduced revised Eα, T1/2. 167,169Re deduced α-decaying isomer pairs. 170Re(β+), (EC); measured Eγ, Iγ, T1/2, γ(X-ray)-coin. Revised decay schemes.

doi: 10.1007/BF01291527
Citations: PlumX Metrics

1992SC16      Nucl.Phys. A545, 646 (1992)

W.-D.Schmidt-Ott, H.Salewski, F.Meissner, U.Bosch-Wicke, P.Koschel, V.Kunze, R.Michaelsen

Isomerism in Neutron-Deficient Iridium Isotopes Alpha- and Beta-Decay Studies of 171-175Ir

RADIOACTIVITY 171,174Ir(α); 172,173,175Ir(α), (β+) [from 141Pr(36Ar, xn)]; measured Eα, Iα, T1/2(α), Eγ, Iγ, αγ-, γγ-coin; deduced Qα, α-branchings. 168,169,167,171,170Re, 172,173,175Os deduced levels, J, π. Si, Ge detectors.

doi: 10.1016/0375-9474(92)90297-W
Citations: PlumX Metrics

1991BE04      Nucl.Phys. A522, 557 (1991)

K.Becker, F.Meissner, W.-D.Schmidt-Ott, U.Bosch, V.Kunze, H.Salewski, R.Kirchner, O.Klepper, E.Roeckl, D.Schardt, K.Rykaczewski

Investigation of the New Isotope 172Ho and of 174Er

RADIOACTIVITY 172Ho, 174Er [from 186W(136Xe, X), E=11.6 MeV/nucleon, mass separation]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2. 172Er, 174Tm deduced levels, J, π. Plastic scintillators, Ge detectors.

NUCLEAR STRUCTURE 172Ho, 174Tm; calculated levels. Deformed shell model.

doi: 10.1016/0375-9474(91)90080-P
Citations: PlumX Metrics

1991ME05      Z.Phys. A339, 315 (1991)

F.Meissner, W.-D.Schmidt-Ott, K.Becker, U.Bosch-Wicke, U.Ellmers, H.Salewski, R.Michaelsen

Observation of a New α-Ray Emitter: 168W

NUCLEAR REACTIONS 136Ba(36Ar, 4n), E not given; 141Pr(32S, 4np), E=235 MeV; measured Eα, Iα, γ-spectra, yield vs E; deduced evidence for 168W.

RADIOACTIVITY 168W(α) [from 136Ba(36Ar, 4n), E not given; 141Pr(32S, 4np), E=235 MeV]; measured Eα, Iα, Iα/Iγ, T1/2. 166,167W(α); measured Eα, Iα.

doi: 10.1007/BF01284072
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1991SC06      Nucl.Phys. A522, 610 (1991)

W.-D.Schmidt-Ott, F.Meissner, P.Koschel, U.Bosch-Wicke, R.Kirchner, O.Klepper, H.Folger, E.Roeckl, A.Plochocki, K.Rykaczewski, Z.Preibisz

Neutron-Rich Isotope Production in Reactions of 50Ti with (nat)W and 238U and in Fission of 238U with 13 MeV/u 20Ne

NUCLEAR REACTIONS 238U(50Ti, X), E=6.2, 6.8 MeV/nucleon; W(50Ti, X), E=13.5 MeV/nucleon; 238U(20Ne, F), E=13 MeV/nucleon; measured fission, multi-nucleon transfer fragment isotopic yields; deduced reaction characteristics.

doi: 10.1016/0375-9474(91)90084-J
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1990BO19      Z.Phys. A336, 359 (1990)

U.Bosch, P.Koschel, W.-D.Schmidt-Ott, V.Freystein, T.Hild, F.Meissner, H.Salewski, U.Ellmers, R.Michaelsen

The Decay of the Isotopes 176Ir and 177Ir

RADIOACTIVITY 176,177Ir [from 141Pr(40Ar, X), E=240 MeV]; measured Eγ, Iγ, γγ-coin, σ(Eγ, E), Eα, Iα. 177Ir deduced α-decay T1/2, α-branching ratios. 176Ir deduced α-branching ratios.

1990ME12      Z.Phys. A337, 45 (1990); Erratum Priv.Comm., F.Meissner, 1997MeZZ

F.Meissner, W.-D.Schmidt-Ott, V.Freystein, T.Hild, E.Runte, H.Salewski, R.Michaelsen

Investigation of Neutron-Deficient Tungsten Isotopes 168-174W

NUCLEAR REACTIONS 133Cs, 138,136Ba(36Ar, 3n), (36Ar, 4n), (36Ar, 5n), 133Cs, 136Ba(36Ar, 6n), E ≈ 175-205 MeV; measured σ(E); deduced evidence for 166,167,168,169,171W.

RADIOACTIVITY 168,169,170,171,172W [from 138,136Ba(36Ar, xn), E=175-205 MeV]; 173,174W [from 138Ba(40Ar, xn), E ≈ 185 MeV]; measured Eγ, Iγ, γγ-coin, γ(K X-ray)-coin. 168,169,171,172,170,173,174Ta deduced levels, J, π.

1990SA32      Z.Phys. A337, 161 (1990)

H.Salewski, K.Becker, W.-D.Schmidt-Ott, T.Hild, F.Meissner, E.Runte, R.Michaelsen

Beta-Delayed Gammas and Q(EC)-Values in the Decays of 150m,152mHo and 149Dy

RADIOACTIVITY 150m,152mHo, 149Dy [from 114Cd(40Ar, X), E=250 MeV]; measured γγ-coin, β-delayed Eγ, Iγ; deduced Q(EC), (EC/B+) ratios. 150,152Dy, 149Tb deduced levels.

1989HI04      Nucl.Phys. A492, 237 (1989)

T.Hild, W.-D.Schmidt-Ott, V.Freystein, F.Meissner, E.Runte, H.Salewski, R.Michaelsen

Spectroscopic Investigation of 164,168Ta, 166W and 164,165Hf

RADIOACTIVITY 164Ta, 164,165Hf [from 133Cs(36Ar, X)]; measured E(γ), I(γ), T1/2, γγ-coin; deduced log ft. 168Ta [from 133Cs(40Ar, 5n)]; measured E(γ), I(γ), T1/2, γγ-coin. 166W [from 136Ba(36Ar, 6n)]; measured E(γ), I(γ), γγ-coin, E(α), I(α), T1/2; deduced log ft, α-branching. 164Hf, 164,165Lu, 166Ta deduced levels. Si, Ge detectors.

doi: 10.1016/0375-9474(89)90084-5
Citations: PlumX Metrics

1989ME02      Z.Phys. A332, 153 (1989)

F.Meissner, W.-D.Schmidt-Ott, V.Freystein, T.Hild, E.Runte, H.Salewski, R.Michaelsen

Decay of the New Isotope 167W

NUCLEAR REACTIONS 136Ba(36Ar, xn), E=191 MeV; measured γγ-coin, E(α), I(α), E X-ray, I X-ray; deduced evidence for 167W.

RADIOACTIVITY 167W(α), (β+), (EC) [from 136Ba(36Ar, xn), E=191 MeV]; measured γγ-coin, E(α), I(α), E X-ray, I X-ray; deduced Q(EC). 167Ta deduced levels, possible J.

1988BO06      Nucl.Phys. A477, 89 (1988)

U.Bosch, W.-D.Schmidt-Ott, E.Runte, P.Tidemand-Petersson, P.Koschel, F.Meissner, R.Kirchner, O.Klepper, E.Roeckl, K.Rykaczewski, D.Schardt

Beta- and Gamma-Decay Studies of Neutron-Rich Chromium, Manganese, Cobalt and Nickel Isotopes Including the New Isotopes 60Cr and 60gMn

RADIOACTIVITY 58,59,60Cr, 58,60Mn, 65,66,67Co, 69Ni [from W(76Ge, X), E=11.5 MeV/nucleon, mass separation]; measured E(γ), I(γ), βγ-, γγ-coin, T1/2, Q(β); deduced log ft. 58Mn, 65,66,67Ni, 69Cu deduced levels, J, π. Plastic scintillators, Si, Ge detectors.

doi: 10.1016/0375-9474(88)90362-4
Citations: PlumX Metrics

1987ME08      Z.Phys. A327, 171 (1987)

F.Meissner, W.-D.Schmidt-Ott, L.Ziegeler

Half-Life and α-Ray Energy of 146Sm

RADIOACTIVITY 146Sm(α) [from 146Eu(β+-decay)]; measured Eα, Iα, T1/2. Si detector. 144Nd, 146Sm, 148Gd, 150Dy, 152Er, 154Yb, 156Hf(α); analyzed T1/2; deduced subshell closure effects. Source from 147Sm +d reaction, chemical separation.

1987RU05      Z.Phys. A328, 373 (1987)

E.Runte, F.Meissner, V.Freystein, T.Hild, H.Salewski, W.-D.Schmidt-Ott, R.Michaelsen

The Decay of the New Isotope 171Re

NUCLEAR REACTIONS La(36Ar, X), E=165, 175, 194 MeV; measured σ(E, Eγ).

RADIOACTIVITY 171Re(β+), (EC) [from La(36Ar, X), E=165, 175, 194 MeV]; measured Eγ, Iγ, γ(X-ray)-coin; deduced T1/2, Q(EC), β+-endpoint energy. 171W deduced T1/2, decay scheme. Ge, Ge(Li) detectors, LaF3 targets.

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