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NSR database version of May 24, 2024.

Search: Author = T.Hartmann

Found 25 matches.

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2020VO03      Phys.Rev. A 101, 042704 (2020)

K.K.Voges, P.Gersema, T.Hartmann, T.A.Schulze, A.Zenesini, S.Ospelkaus

Formation of ultracold weakly bound dimers of bosonic 23Na39K

ATOMIC PHYSICS 23Na, 39K; measured frequencies; deduced Feshbach resonances, molecular signals, lifetimes.

doi: 10.1103/PhysRevA.101.042704
Citations: PlumX Metrics


2019HA12      Phys.Rev. A 99, 032711 (2019)

T.Hartmann, T.A.Schulze, K.K.Voges, P.Gersema, M.W.Gempel, E.Tiemann, A.Zenesini, S.Ospelkaus

Feshbach resonances in 23Na+39K mixtures and refined molecular potentials for the NaK molecule

ATOMIC PHYSICS 23Na, 39K; measured frequencies; deduced resonances. Comparison with theoretical calculations.

doi: 10.1103/PhysRevA.99.032711
Citations: PlumX Metrics


2013PA38      Phys.Rev. C 88, 054316 (2013)

H.Pai, J.Beller, N.Benouaret, J.Enders, T.Hartmann, O.Karg, P.von Neumann-Cosel, N.Pietralla, V.Yu.Ponomarev, C.Romig, M.Scheck, L.Schnorrenberger, S.Volz, M.Zweidinger

Low-lying dipole strength in the N=28 shell-closure nucleus 52Cr

NUCLEAR REACTIONS 52Cr(γ, γ'), E<9.9 MeV; measured Eγ, Iγ, γ(θ), integrated cross sections using bremsstrahlung beam at the superconducting Darmstadt linear electron accelerator S-DALINAC. 52Cr; deduced levels, PDR, J, π, Γ0, B(E1), B(M1), reduced transition widths. Comparison with microscopic QPM calculations.

doi: 10.1103/PhysRevC.88.054316
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2011IS01      Phys.Rev. C 83, 034304 (2011)

J.Isaak, D.Savran, M.Fritzsche, D.Galaviz, T.Hartmann, S.Kamerdzhiev, J.H.Kelley, E.Kwan, N.Pietralla, C.Romig, G.Rusev, K.Sonnabend, A.P.Tonchev, W.Tornow, A.Zilges

Investigation of low-lying electric dipole strength in the semimagic nucleus 44Ca

NUCLEAR REACTIONS 44Ca(polarized γ, γ'), E = 6-10, 9.9 MeV; measured Eγ, Iγ, γ(θ), integrated cross sections, and polarization asymmetry at DHIPS facility using S-DALINAC accelerator, and at HIγS facility. 44Ca; deduced levels, J, π, photon branching ratios, widths, B(E1) and B(M1) transition strengths. Comparisons with dipole strengths in 40,48Ca and with microscopic calculations within the extended theory of finite Fermi systems. Dependence of total E1 strength on neutron number.

doi: 10.1103/PhysRevC.83.034304
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2005EN04      Acta Phys.Pol. B36, 1077 (2005)

J.Enders, M.Babilon, T.Hartmann, A.Heine, P.von Neumann-Cosel, V.Yu.Ponomarev, N.Ryezayeva, S.Volz, A.Zilges, T.Guhr

Electric dipole strength below the giant dipole resonance

NUCLEAR STRUCTURE 138Ba, 140Ce, 142Nd, 144Sm, 204,206,208Pb; analyzed electric dipole strength distributions. Nuclear resonance fluorescence, Coulomb excitation, quasiparticle-phonon model.


2005ZI04      Prog.Part.Nucl.Phys. 55, 408 (2005)

A.Zilges, M.Babilon, T.Hartmann, D.Savran, S.Volz

Collective excitations close to the particle threshold

NUCLEAR REACTIONS 40,44,48Ca, 138Ba, 140Ce, 142Nd, 144Sm(γ, γ'), E ≈ 10 MeV bremsstrahlung; analyzed Eγ, Iγ. 40,44,48Ca, 138Ba, 140Ce, 142Nd, 144Sm deduced B(E1), pygmy dipole resonance features.

doi: 10.1016/j.ppnp.2005.01.018
Citations: PlumX Metrics


2004HA51      Phys.Rev.Lett. 93, 192501 (2004)

T.Hartmann, M.Babilon, S.Kamerdzhiev, E.Litvinova, D.Savran, S.Volz, A.Zilges

Microscopic Nature of the Pygmy Dipole Resonance: The Stable Ca Isotopes

NUCLEAR REACTIONS 44Ca(γ, γ'), E=9.9 MeV bremsstrahlung; measured Eγ, Iγ. 44Ca deduced electric dipole strength distribution, pygmy dipole resonance features.

NUCLEAR STRUCTURE 40,44,48Ca; analyzed B(E1), summed strength; deduced quasiparticle-phonon coupling contributions to pygmy dipole resonance. Microscopic model.

doi: 10.1103/PhysRevLett.93.192501
Citations: PlumX Metrics


2003HA33      Nucl.Phys. A719, 308c (2003)

T.Hartmann, S.Volz, M.Babilon, P.Mohr, K.Vogt, A.Zilges

E1 strength in N = 82 nuclei

NUCLEAR REACTIONS 138Ba, 140Ce, 144Sm(γ, γ'), E ≈ 9-10 MeV bremsstrahlung; measured Eγ, Iγ. 138Ba, 140Ce, 144Sm deduced E1 strength distributions, related features.

doi: 10.1016/S0375-9474(03)00938-2
Citations: PlumX Metrics


2002BA28      Phys.Rev. C65, 037303 (2002)

M.Babilon, T.Hartmann, P.Mohr, K.Vogt, S.Volz, A.Zilges

Dipole and Electric Quadrupole Excitations in 32S up to 9.9 MeV

NUCLEAR REACTIONS 32S(γ, γ'), E=9.9 MeV bremsstrahlung; measured Eγ, Iγ. 32S deduced levels, J, π, excitation B(E1), B(M1), B(E2), possible two-phonon state.

doi: 10.1103/PhysRevC.65.037303
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2002BA81      Phys.Rev. C66, 028801 (2002)

M.Babilon, W.Bayer, D.Galaviz, T.Hartmann, C.Hutter, P.Mohr, W.Rochow, K.Sonnabend, K.Vogt, S.Volz, A.Zilges

Resonance strengths for the reaction 28Si(α, γ)32S at low energies

NUCLEAR REACTIONS 28Si(α, γ), E=2.91 MeV; measured Eγ, Iγ; deduced resonance features, astrophysical reaction rate. 32S deduced resonances J, π, strength.

doi: 10.1103/PhysRevC.66.028801
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0616.


2002BE18      Phys.Rev. C65, 035801 (2002)

D.Belic, C.Arlandini, J.Besserer, J.de Boer, J.J.Carroll, J.Enders, T.Hartmann, F.Kappeler, H.Kaiser, U.Kneissl, E.Kolbe, K.Langanke, M.Loewe, H.J.Maier, H.Maser, P.Mohr, P.von Neumann-Cosel, A.Nord, H.H.Pitz, A.Richter, M.Schumann, F.-K.Thielemann, S.Volz, A.Zilges

Photo-Induced Depopulation of the 180Tam Isomer via Low-Lying Intermediate States: Structure and astrophysical implications

NUCLEAR REACTIONS 180mTa(γ, γ'), E=0.8-3.1 MeV bremsstrahlung; measured delayed Eγ, Iγ, X-ray spectra; deduced activation yields. 180Ta deduced intermediate states energies, transition strengths. Astrophysical implications discussed. Comparisons with previous results, model predictions.

RADIOACTIVITY 180Ta(EC), (β-); measured T1/2.

doi: 10.1103/PhysRevC.65.035801
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2002HA13      Phys.Rev. C65, 034301 (2002)

T.Hartmann, J.Enders, P.Mohr, K.Vogt, S.Volz, A.Zilges

Dipole and Electric Quadrupole Excitations in 40, 48Ca

NUCLEAR REACTIONS 40,48Ca(γ, γ'), E=9.9 MeV bremsstrahlung; measured Eγ, Iγ. 40,48Ca deduced levels, J, π, widths, B(E1) and B(E2) distributions. Comparison with model predictions.

doi: 10.1103/PhysRevC.65.034301
Citations: PlumX Metrics


2002RY06      Phys.Rev.Lett. 89, 272502 (2002)

N.Ryezayeva, T.Hartmann, Y.Kalmykov, H.Lenske, P.von Neumann-Cosel, V.Yu.Ponomarev, A.Richter, A.Shevchenko, S.Volz, J.Wambach

Nature of Low-Energy Dipole Strength in Nuclei: The Case of a Resonance at Particle Threshold in 208Pb

NUCLEAR REACTIONS 208Pb(γ, γ'), E=9.0 MeV bremsstrahlung; measured Eγ, Iγ. 208Pb deduced transitions, B(E1) strength distribution, resonance features. Quasiparticle phonon model calculations.

doi: 10.1103/PhysRevLett.89.272502
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2002VO13      Nucl.Phys. A707, 241 (2002)

K.Vogt, P.Mohr, M.Babilon, W.Bayer, D.Galaviz, T.Hartmann, C.Hutter, T.Rauscher, K.Sonnabend, S.Volz, A.Zilges

Measurement of the (γ, n) Cross Section of the Nucleus 197Au Close Above the Reaction Threshold

NUCLEAR REACTIONS 197Au(γ, n), E=8325-9900 keV bremsstrahlung; measured σ; deduced astrophysical reaction rates. Photoactivation technique. Comparison with previous results and model predictions.

doi: 10.1016/S0375-9474(02)00922-3
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0736.


2002ZI05      Phy.Lett. 542B, 43 (2002)

A.Zilges, S.Volz, M.Babilon, T.Hartmann, P.Mohr, K.Vogt

Concentration of Electric Dipole Strength Below the Neutron Separation Energy in N=82 Nuclei

NUCLEAR REACTIONS 138Ba, 140Ce, 144Sm(γ, γ'), E < 9.9 MeV bremsstrahlung; measured Eγ, Iγ. 138Ba, 140Ce, 144Sm deduced B(E1), resonance features.

doi: 10.1016/S0370-2693(02)02309-2
Citations: PlumX Metrics


2001BA66      Nucl.Phys. A690, 272c (2001)

M.Babilon, W.Bayer, K.Denefleh, J.Enders, D.Galaviz, T.Hartmann, C.Hutter, P.Mohr, K.Vogt, S.Volz, A.Zilges

Nuclear Structure and Nuclear Astrophysics at a 10 MeV Bremsstrahlung Facility

NUCLEAR REACTIONS 40,48Ca(γ, γ'), E=9.9 MeV bremsstrahlung; measured Eγ, Iγ. 40,48Ca deduced E1 strength distributions. Hg(γ, γ'), E=9.9 MeV bremsstrahlung; measured delayed Eγ, Iγ.

doi: 10.1016/S0375-9474(01)00957-5
Citations: PlumX Metrics


2001LI17      Phys.Rev. C63, 047307 (2001)

K.Lindenberg, F.Neumann, D.Galaviz, T.Hartmann, P.Mohr, K.Vogt, S.Volz, A.Zilges

Half-Lives of Au, Hg, and Pb Isotopes from Photoactivation

RADIOACTIVITY 196Au(β-), (EC); 195,197Hg, 203Pb(EC); 203Hg(β-); 199mHg, 204mPb(IT); measured T1/2. Photoactivation technique.

doi: 10.1103/PhysRevC.63.047307
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2001MO19      Nucl.Phys. A688, 82c (2001)

P.Mohr, M.Babilon, J.Enders, T.Hartmann, C.Hutter, K.Vogt, S.Volz, A.Zilges

(γ, n) Reactions in a Quasi-Thermal Photon Bath

NUCLEAR REACTIONS 190,192,198Pt(γ, n), E=8-12 MeV; measured Eγ, σ, astrophysical reaction rate. γ-process in Supernovae.

doi: 10.1016/S0375-9474(01)00673-X
Citations: PlumX Metrics


2001VO08      Phys.Rev. C63, 055802 (2001)

K.Vogt, P.Mohr, M.Babilon, J.Enders, T.Hartmann, C.Hutter, T.Rauscher, S.Volz, A.Zilges

Measurement of the (γ, n) Reaction Rates of the Nuclides 190Pt, 192Pt, and 198Pt

NUCLEAR REACTIONS 190,192,198Pt(γ, n), E=7650-9900 keV bremsstrahlung; measured σ; deduced astrophysical reaction rates. Activation technique. Superposition of bremsstrahlung spectra to simulate astrophysical conditions.

doi: 10.1103/PhysRevC.63.055802
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0855.


2001VO13      Nucl.Phys. A688, 237c (2001)

P.von Neumann-Cosel, C.Arlandini, D.Belic, J.Besserer, J.de Boer, J.J.Carroll, J.Enders, T.Hartmann, F.Kappeler, H.Kaiser, U.Kneissl, M.Loewe, H.J.Maier, H.Maser, P.Mohr, A.Nord, H.H.Pitz, A.Richter, M.Schumann, S.Volz, A.Zilges

Photoactivation of 180mTa and s-Process Nucleosynthesis of Nature's Rarest Naturally Occuring Isotope

NUCLEAR REACTIONS 180Ta(γ, γ'), E=0.8-3.1 MeV; measured Eγ, σ; deduced 180Ta effective half-life under s-process conditions.

doi: 10.1016/S0375-9474(01)00706-0
Citations: PlumX Metrics


2001VO21      Phys.Lett. 517B, 255 (2001)

K.Vogt, T.Hartmann, A.Zilges

Simple Parametrization of Single- and Two-Nucleon Separation Energies in Terms of the Neutron to Proton Ratio N/Z

NUCLEAR STRUCTURE A=1-266; analyzed one-, two-nucleon separation energies; deduced parametrization.

doi: 10.1016/S0370-2693(01)01014-0
Citations: PlumX Metrics


2000HA34      Phys.Rev.Lett. 85, 274 (2000); Erratum Phys.Rev.Lett. 86, 4981 (2001)

T.Hartmann, J.Enders, P.Mohr, K.Vogt, S.Volz, A.Zilges

Measurement of the Dipole and Electric Quadrupole Strength Distributions up to 10 MeV in the Doubly Magic Nuclei 40Ca and 48Ca

NUCLEAR REACTIONS 48Ca(γ, γ'), E=5.5, 8.0, 9.9 MeV bremsstrahlung; 40Ca(γ, γ'), E=9.9 MeV bremsstrahlung; measured Eγ, Iγ. 40,48Ca deduced B(E1), B(E2) strength distributions. 48Ca deduced pygmy dipole resonance, possible two-phonon quadrupole-octupole state.

doi: 10.1103/PhysRevLett.85.274
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2000MO05      Eur.Phys.J. A 7, 45 (2000)

P.Mohr, C.Hutter, K.Vogt, J.Enders, T.Hartmann, S.Volz, A.Zilges

Half-Lives of Platinum Isotopes from Photoactivation

RADIOACTIVITY 189,191Pt(EC); 197Pt(β-); 195mPt(IT); measured Eγ, Iγ, T1/2 following photoactivation. Comparison with adopted values.

doi: 10.1007/s100500050009
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2000MO23      Phys.Lett. 488B, 127 (2000)

P.Mohr, K.Vogt, M.Babilon, J.Enders, T.Hartmann, C.Hutter, T.Rauscher, S.Volz, A.Zilges

Experimental Simulation of a Stellar Photon Bath by Bremsstrahlung: The astrophysical γ-process

NUCLEAR REACTIONS 190,192,198Pt(γ, n), E=7200-9900 keV bremsstrahlung; measured σ. Activation technique. Astrophysical γ-process simulation.

doi: 10.1016/S0370-2693(00)00862-5
Citations: PlumX Metrics


1999BE65      Phys.Rev.Lett. 83, 5242 (1999)

D.Belic, C.Arlandini, J.Besserer, J.de Boer, J.J.Carroll, J.Enders, T.Hartmann, F.Kappeler, H.Kaiser, U.Kneissl, M.Loewe, H.J.Maier, H.Maser, P.Mohr, P.von Neumann-Cosel, A.Nord, H.H.Pitz, A.Richter, M.Schumann, S.Volz, A.Zilges

Photoactivation of 180Tam and Its Implications for the Nucleosynthesis of Nature's Rarest Naturally Occurring Isotope

NUCLEAR REACTIONS Ta, 180mTa(γ, γ'), E=0.8-3.1 MeV bremsstrahlung; measured ground-state production yield. Implications for s-process nucleosynthesis discussed. Enriched and natural targets.

doi: 10.1103/PhysRevLett.83.5242
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