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Search: Author = K.Langanke

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2023MA24      Eur.Phys.J. A 59, 67 (2023)

G.Martínez-Pinedo, K.Langanke

Nuclear quests for the r-process

doi: 10.1140/epja/s10050-023-00987-9
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2022LY02      Phys.Rev. C 105, 014327 (2022)

N.Lyutorovich, V.Tselyaev, J.Speth, G.Martinez-Pinedo, K.Langanke, P.-G.Reinhard

Self-consistent description of high-spin states in doubly magic 208Pb

NUCLEAR STRUCTURE 208Pb; calculated natural and unnatural high-spin yrast levels of spins from 13-30, energy difference for the first two excited states in each angular momentum channel, discrete RPA (DRPA) results for the energies of the high-spin yrast states, energies and structures of 2p2h, 1p1h+phonon, and two-phonon energies of high spins. Self-consistent phonon-coupling model based on Skyrme functionals, with renormalized time-blocking approximation which evolves coherent one-particle-one-hole states of the random-phase approximation (RPA) to more complex configurations beyond RPA. Comparison with experimental data.

doi: 10.1103/PhysRevC.105.014327
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2021CO05      Rev.Mod.Phys. 93, 015002 (2021)

J.J.Cowan, C.Sneden, J.E.Lawler, A.Aprahamian, M.Wiescher, K.Langanke, G.Martinez-Pinedo, F.-K.Thielemann

Origin of the heaviest elements: The rapid neutron-capture process

doi: 10.1103/RevModPhys.93.015002
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2020DZ01      Phys.Rev. C 101, 025805 (2020)

AlanA.Dzhioev, K.Langanke, G.Martinez-Pinedo, A.I.Vdovin, Ch.Stoyanov

Unblocking of stellar electron capture for neutron-rich N=50 nuclei at finite temperature

NUCLEAR STRUCTURE 78Ni, 82Ge, 86Kr, 88Sr; calculated electron-capture rates on neutron-rich nuclei at conditions of temperatures and densities relevant for collapse supernovae, GT+ strengths, neutron and proton single-particle energies, relative contribution of first forbidden transitions to the electron-capture rates. Thermal quasiparticle random-phase approximation (TQRPA) formalism.

doi: 10.1103/PhysRevC.101.025805
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2019KI08      Phys.Rev.Lett. 123, 262701 (2019)

O.S.Kirsebom, S.Jones, D.F.Stromberg, G.Martinez-Pinedo, K.Langanke, F.K.Ropke, B.A.Brown, T.Eronen, H.O.U.Fynbo, M.Hukkanen, A.Idini, A.Jokinen, A.Kankainen, J.Kostensalo, I.Moore, H.Moller, S.T.Ohlmann, H.Penttila, K.Riisager, S.Rinta-Antila, P.C.Srivastava, J.Suhonen, W.H.Trzaska, J.Aysto

Discovery of an Exceptionally Strong β-Decay Transition of 20F and Implications for the Fate of Intermediate-Mass Stars

RADIOACTIVITY 20F(β-) [from 19F(d, X), E=6 MeV]; measured decay products, Eβ, Iβ; deduced transition strength.

doi: 10.1103/PhysRevLett.123.262701
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2019LA23      Eur.Phys.J. A 55, 226 (2019)

K.Langanke, G.Martinez-Pinedo

The role of giant resonances in nuclear astrophysics: An overview

doi: 10.1140/epja/i2019-12760-0
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2015ME10      Phys.Rev. C 92, 055805 (2015)

J.Mendoza-Temis, M.-R.Wu, K.Langanke, G.Martinez-Pinedo, A.Bauswein, H.-T.Janka

Nuclear robustness of the r process in neutron-star mergers

ATOMIC MASSES A=108-288; calculated r-process abundances of slow ejecta for different mass models at different phases of the evolution in neutron star mergers using three-dimensional relativistic smoothed particle hydrodynamic simulation, and extended nuclear network of 7300 nuclei from free nucleons up to 313Ds, including spontaneous, β- and neutron-induced fission, fission yield distributions from the ABLA code. Comparison with observed r-process abundances.

NUCLEAR REACTIONS 278Am(n, F); calculated fission fragment distributions as functions of charge, neutron number, and mass number for neutron using the ABLA code.

doi: 10.1103/PhysRevC.92.055805
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2014KU23      Eur.Phys.J. A 50, 135 (2014)

T.Kurtukian-Nieto, J.Benlliure, K.-H.Schmidt, L.Audouin, F.Becker, B.Blank, I.N.Borzov, E.Casarejos, F.Farget, M.Fernandez-Ordonez, J.Giovinazzo, D.Henzlova, B.Jurado, K.Langanke, G.Martinez-Pinedo, J.Pereira, O.Yordanov

Beta-decay half-lives of new neutron-rich isotopes of Re, Os and Ir approaching the r-process path near N = 126

doi: 10.1140/epja/i2014-14135-5
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2014LA18      Nucl.Phys. A928, 305 (2014)

K.Langanke, G.Martinez-Pinedo

The role of electron capture in core-collapse supernovae

NUCLEAR REACTIONS 20Ne(e, γ), T=0.4 GK; calculated electron capture rates vs density. Compared with Takahara data.

NUCLEAR REACTIONS 45Sc, 48Ti, 50,51V, 54,56Fe, 55Mn, 58,60,62,64Ni, 58Co, 64Zn(e, γ), T=3-10 GK; calculated electron capture rates using large-scale shell model and within QRPA. Compared with some reaction data.

NUCLEAR STRUCTURE A=12-70; calculated solar abundances using different electron capture rates, B(GT+) transition strength across N=40 the shell gap. Compared with data.

doi: 10.1016/j.nuclphysa.2014.04.015
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2014MA25      Phys.Rev. C 89, 045806 (2014)

G.Martinez-Pinedo, Y.H.Lam, K.Langanke, R.G.T.Zegers, C.Sullivan

Astrophysical weak-interaction rates for selected A = 20 and A= 24 nuclei

NUCLEAR REACTIONS 20Ne, 20F, 24Mg, 24Na(e-, ν), at T=0.1-10 GK; calculated electron capture rates and β- decay rates of 20F and 24Na at temperature and density conditions in the late-evolution stages of stars with 8-12 time the solar masses using recent experimental data and large-scale shell-model calculations. Comparison with other theoretical calculations. Analytical expressions for electron capture and β-decay rates.

RADIOACTIVITY 20F, 24Na(β-)[from electron capture in 20Ne and 24Mg in stellar environments]; calculated β- decay rates at temperature and density conditions in the late-evolution stages using recent experimental data and large-scale shell-model calculations. Comparison with other theoretical calculations. Analytical expressions β-decay rates.

doi: 10.1103/PhysRevC.89.045806
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2013FI11      Phys.Rev. C 88, 065804 (2013)

T.Fischer, K.Langanke, G.Martinez-Pinedo

Neutrino-pair emission from nuclear de-excitation in core-collapse supernova simulations

doi: 10.1103/PhysRevC.88.065804
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2013LA05      Phys.Scr. T152, 014011 (2013)

K.Langanke, H.Schatz

The role of radioactive ion beams in nuclear astrophysics

doi: 10.1088/0031-8949/2013/T152/014011
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2013ZH05      Phys.Rev. C 87, 025803 (2013)

Q.Zhi, E.Caurier, J.J.Cuenca-Garcia, K.Langanke, G.Martinez-Pinedo, K.Sieja

Shell-model half-lives including first-forbidden contributions for r-process waiting-point nuclei

RADIOACTIVITY 129,131In, 205Au, 205,206Hg, 206,207Tl(β-); calculated logft, first-forbidden shape factors. 74Cr, 75Mn, 76Fe, 77Co, 78Ni, 79Cu, 80Zn, 81Ga, 82Ge, 124Mo, 125Tc, 126Ru, 127Rh, 128Pd, 129Ag, 130Cd, 131In, 192Dy, 193Ho, 194Er, 195Tm, 196Yb, 197Lu, 198Hf, 199Ta(β-), (β-n); calculated Q(β) values, T1/2, beta-delayed neutron emission probabilities, first-forbidden transition components, partial decay rates for N=50, Z=24-32; N=82, Z=42-49; N=126, Z=66-73 r-process waiting-point nuclei. Large-scale shell-model calculations. Comparison with other model calculations, and with experimental data.

doi: 10.1103/PhysRevC.87.025803
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2012ER01      Phys.Rev. C 85, 025802 (2012)

J.Erler, K.Langanke, H.P.Loens, G.Martinez-Pinedo, P.-G.Reinhard

Fission properties for r-process nuclei

NUCLEAR STRUCTURE 250,252,254,256,258No, 254,256,258,260Rf, 258,260,262,264,266Sg, 264,266Hs, 284Cn, 288Fl; calculated half-lives and fission barriers with three different Skyrme parameterizations. Comparison with experimental data. Z=82-120, N=120-260; calculated fission barriers of even-even nuclei for four different Skyrme parameterizations and four theoretical mass models HFB-14, ETFSI, FRDM, and TF. Z=100-120, N=120-260; calculated fission half-lives for even-even nuclei using the Skyrme parameterizations, minimal lifetime plots for competing α decay and spontaneous fission. Comparison with experimental data. Z=84-120, N=120-260; calculated α-decay half-lives using the Q(α) values and the semi empirical Viola-Seaborg formula. Z=96-108, N=180-206; calculated difference of ground state energies and fission barriers between reflection symmetric and asymmetric configurations with the Skyrme parameterization, comparison of symmetric and asymmetric fission barriers and half-lives. 286,294Rf; calculated PES for symmetric and asymmetric shapes with the Skyrme parameterization.

doi: 10.1103/PhysRevC.85.025802
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2012LA30      J.Phys.:Conf.Ser. 381, 012016 (2012)


Supernova Dynamics and Explosive Nucleosynthesis

doi: 10.1088/1742-6596/381/1/012016
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2012LO04      Eur.Phys.J. A 48, 34 (2012)

H.P.Loens, K.Langanke, G.Martinez-Pinedo, K.Sieja

M1 strength functions from large-scale shell-model calculations and their effect on astrophysical neutron capture cross-sections

NUCLEAR STRUCTURE 54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70Fe; calculated M1 transition strength distribution for ground state and low-lying states using shell model with 40,48Ca core and KB3Gmod interaction. Compared with single-particle calculation and Kopecky formula.

NUCLEAR REACTIONS 53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69Fe(n, γ), E=0.001-1 MeV; calculated M1 σ. Compared with single-particle calculation and Kopecky formula.

doi: 10.1140/epja/i2012-12034-5
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2012NE08      J.Phys.:Conf.Ser. 337, 012055 (2012)

T.Neff, H.Feldmeier, K.Langanke

Microscopic calculation of the 3He(α, γ)7Be reaction rate using realistic interactions

NUCLEAR REACTIONS 3H, 3He(α, γ), E(cm)≈0.2-2.5 MeV; calculated S-factor, γ dipole strength using FMD (fermionic molecular dynamics). Compared with data.

doi: 10.1088/1742-6596/337/1/012055
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2012PE14      Eur.Phys.J. A 48, 122 (2012)

I.Petermann, K.Langanke, G.Martinez-Pinedo, I.V.Panov, P.-G.Reinhard, F.-K.Thielemann

Have superheavy elements been produced in nature?

NUCLEAR STRUCTURE Z=84-120; calculated fission barrier, neutron Q-value using ETF (extended Thomas-Fermi) and FRDM (finite-range droplet model).

NUCLEAR REACTIONS Z=56-110(n, γ), E=low; calculated r-process yields using barriers from ETF and FRDM.

doi: 10.1140/epja/i2012-12122-6
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2012SM07      Phys.Rev. C 86, 044604 (2012)

C.Smorra, T.R.Rodriguez, T.Beyer, K.Blaum, M.Block, Ch.E.Dullmann, K.Eberhardt, M.Eibach, S.Eliseev, K.Langanke, G.Martinez-Pinedo, Sz.Nagy, W.Nortershauser, D.Renisch, V.M.Shabaev, I.I.Tupitsyn, N.A.Zubova

Q value and half-life of double-electron capture in 184Os

ATOMIC MASSES 184Os, 184W; measured time-of-flight and cyclotron frequency ratios using Penning-trap mass spectrometer TRIGA-TRAP; deduced mass excess, Q value for 2β decay.

RADIOACTIVITY 184Os(2EC); measured Q-value using Penning-trap; calculated nuclear matrix element, T1/2. Energy density functional (EDF) calculations.

doi: 10.1103/PhysRevC.86.044604
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2011AD03      Rev.Mod.Phys. 83, 195 (2011)

E.G.Adelberger, A.Garcia, R.G.H.Robertson, K.A.Snover, A.B.Balantekin, K.Heeger, M.J.Ramsey-Musolf, A.B.Balantekin, K.Heeger, M.J.Ramsey-Musolf, D.Bemmerer, A.Junghans, D.Bemmerer, A.Junghans, C.A.Bertulani, K.-W.Chen, H.Costantini, P.Prati, M.Couder, E.Uberseder, M.Wiescher, R.Cyburt, B.Davids, S.J.Freedman, M.Gai, D.Gazit, L.Gialanella, G.Imbriani, U.Greife, M.Hass, W.C.Haxton, T.Itahashi, K.Kubodera, K.Langanke, D.Leitner, M.Leitner, P.Vetter, L.Winslow, L.E.Marcucci, T.Motobayashi, A.Mukhamedzhanov, R.E.Tribble, F.M.Nunes, T.-S.Park, R.Schiavilla, E.C.Simpson, C.Spitaleri, F.Strieder, H.-P.Trautvetter, K.Suemmerer, S.Typel

Solar fusion cross sections. II. The pp chain and CNO cycles

NUCLEAR REACTIONS 2H(p, γ), 3He(3He, 2p), (α, γ), (p, e), 7Be, 12C, 14N, 15N, 17O(p, γ), 15N, 16,17,18O(p, α), E<3 MeV; analyzed and evaluated experimental data; deduced recommended values and uncertainties.

doi: 10.1103/RevModPhys.83.195
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2011HU03      Eur.Phys.J. A 47, 10 (2011)

L.Huther, H.P.Loens, G.Martinez-Pinedo, K.Langanke

s-process stellar enhancement factors obtained within the statistical model with parity-dependent level densities

NUCLEAR REACTIONS 204Pb(n, γ), E=0.086 eV-860 keV; calculated σ, reaction rates. A=24-210(n, γ), E=8, 30, 90 keV; calculated s-process reaction rates, stellar enhancement factors. Hilaire-Goriely and BSFG densities with parity.

doi: 10.1140/epja/i2011-11010-y
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2011MA47      Eur.Phys.J. A 47, 98 (2011)

G.Martinez-Pinedo, B.Ziebarth, T.Fischer, K.Langanke

Effect of collective neutrino flavor oscillations on νp-process nucleosynthesis

doi: 10.1140/epja/i2011-11098-y
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2011NE02      Prog.Part.Nucl.Phys. 66, 341 (2011)

T.Neff, H.Feldmeier, K.Langanke

Towards microscopic ab initio calculations of astrophysical S-factors

NUCLEAR REACTIONS 3H, 3He(α, γ), E<2.5 MeV; calculated S-factors, p-wave scattering phase shifts, dipole strengths. Fermionic Molecular Dynamics, Argonne V18 potential.

doi: 10.1016/j.ppnp.2011.01.031
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2011TH01      Prog.Part.Nucl.Phys. 66, 346 (2011)

F.-K.Thielemann, A.Arcones, R.Kappeli, M.Liebendorfer, T.Rauscher, C.Winteler, C.Frohlich, I.Dillmann, T.Fischer, G.Martinez-Pinedo, K.Langanke, K.Farouqi, K.-L.Kratz, I.Panov, I.K.Korneev

What are the astrophysical sites for the r-process and the production of heavy elements?

doi: 10.1016/j.ppnp.2011.01.032
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2011ZH17      Nucl.Phys. A859, 172 (2011)

Q.Zhi, K.Langanke, G.Martinez Pinedo, F.Nowacki, K.Sieja

The 76Se Gamow-Teller strength distribution and its importance for stellar electron capture rates

RADIOACTIVITY 76Se(EC); calculated β-decay B(GT) strength using shell model with RG interaction.

doi: 10.1016/j.nuclphysa.2011.04.010
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2010DE35      Phys.Rev.Lett. 105, 212504 (2010)

D.J.Dean, K.Langanke, H.Nam, W.Nazarewicz

Pairing Reentrance Phenomenon in Heated Rotating Nuclei in the Shell-Model Monte Carlo Approach

NUCLEAR STRUCTURE 72Ge; calculated rotational motion of heated nucleus, neutron occupation, pairing strength, angular momentum. Microscopic shell-model Monte Carlo approach.

doi: 10.1103/PhysRevLett.105.212504
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2010DZ02      Phys.Rev. C 81, 015804 (2010)

A.A.Dzhioev, A.I.Vdovin, V.Yu.Ponomarev, J.Wambach, K.Langanke, G.Martinez-Pinedo

Gamow-Teller strength distributions at finite temperatures and electron capture in stellar environments

NUCLEAR STRUCTURE 54,56Fe, 76,78,80Ge; calculated Gammow-Teller strength distributions, electron capture rates, strength distributions for first forbidden transitions, and occupation numbers in hot nuclei in stellar environments using thermal quasiparticle random-phase approximation (TQRPA) model. Comparison with experimental data and large-scale shell-model (LSSM) calculations.

doi: 10.1103/PhysRevC.81.015804
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2010JU04      Nucl.Phys. A848, 454 (2010)

A.Juodagalvis, K.Langanke, W.R.Hix, G.Martinez-Pinedo, J.M.Sampaio

Improved estimate of electron capture rates on nuclei during stellar core collapse

doi: 10.1016/j.nuclphysa.2010.09.012
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2010KI02      Phys.Rev. C 81, 025802 (2010)

L.-T.Kizivat, G.Martinez-Pinedo, K.Langanke, R.Surman, G.C.McLaughlin

ψ-ray bursts black hole accretion disks as a site for the νp process

doi: 10.1103/PhysRevC.81.025802
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2010LA10      Nucl.Phys. A834, 608c (2010)


Nuclear input for supernova simulations and nucleosynthesis

doi: 10.1016/j.nuclphysa.2010.01.105
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2010PE01      Phys.Rev. C 81, 014308 (2010)

I.Petermann, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, F.Nowacki, A.Richter

Scales in the fine structure of the magnetic dipole resonance: A wavelet approach to the shell model

NUCLEAR STRUCTURE 50Ti, 52Cr, 54,56Fe; calculated M1 strength distributions, and power spectra using shell model and KB3G interaction. Comparison with experimental data from (e, e') reactions.

doi: 10.1103/PhysRevC.81.014308
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2010PE18      J.Phys.:Conf.Ser. 202, 012008 (2010)

I.Petermann, G.Martinez-Pinedo, A.Arcones, W.R.Hix, A.Kelic, K.Langanke, I.Panov, T.Rauscher, K.-H.Schmidt, F.-K.Thielemann, N.Zinner

Network calculations for r-process nucleosynthesis

doi: 10.1088/1742-6596/202/1/012008
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2010TH06      J.Phys.:Conf.Ser. 202, 012006 (2010)

F.-K.Thielemann, I.Dillmann, K.Farouqi, T.Fischer, C.Frohlich, A.Kelic-Heil, I.Korneev, K.-L.Kratz, K.Langanke, M.Liebendorfer, I.V.Panov, G.Martinez-Pinedo, T.Rauscher

The r-, p-, and νp-Process

NUCLEAR REACTIONS 252Cf(n, F), E=0.002-20 MeV; calculated fission σ using different barrier predicions. Compared with data and JENDL-3.3. A≈220-260(n, F), E not given; calculated fission σ using different barrier predictions. Compared with data.

doi: 10.1088/1742-6596/202/1/012006
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2009KU28      Nucl.Phys. A827, 587c (2009)

T.Kurtukian-Nieto, J.Benlliure, K.-H.Schmidt, L.Audouin, F.Becker, B.Blank, I.N.Borzov, E.Casarejos, M.Fernandez-Ordonez, J.Giovinazzo, D.Henzlova, B.Jurado, K.Langanke, G.Martinez-Pinedo, J.Pereira, F.Rejmund, O.Yordanov

Recent progress in measuring β half-lives of nuclei approaching the r-process waiting point A = 195

RADIOACTIVITY 194,195,196Re, 199,200Os, 198,199,200Ir(β-) [from Be(208Pb, X), E=1 GeV/nucleon]; measured T1/2. Comparison with two QRPA models.

doi: 10.1016/j.nuclphysa.2009.05.129
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2009LI13      Nucl.Phys. A823, 26 (2009)

E.Litvinova, H.P.Loens, K.Langanke, G.Martinez-Pinedo, T.Rauscher, P.Ring, F.-K.Thielemann, V.Tselyaev

Low-lying dipole response in the relativistic quasiparticle time blocking approximation and its influence on neutron capture cross sections

NUCLEAR STRUCTURE 106,116,132,140Sn; calculated E1 strength function using microscopic quasiparticle time blocking approximation. Comparison with other models.

NUCLEAR REACTIONS 105,115,131,139Sn(n, γ), E=0.001-20 MeV; calculated σ. 67,69,71,73,75,77Ni, 105,109,113,115,119,123,129,131,133,135,137,139Sn(n, γ), E≈80-100 keV; calculated stellar capture rate ratio between various models.

doi: 10.1016/j.nuclphysa.2009.03.009
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2009LI20      Phys.Rev. C 79, 054312 (2009)

E.Litvinova, P.Ring, V.Tselyaev, K.Langanke

Relativistic quasiparticle time blocking approximation. II. Pygmy dipole resonance in neutron-rich nuclei

NUCLEAR STRUCTURE 68,70,72,74,76,78Ni, 116,118,120,122,124,126,128,130,132,134,136,138,140Sn, 208Pb; calculated dipole excitation spectra, σ, proton and neutron transition densities, pygmy strength, mean energies for giant dipole resonance (GDR) and pygmy dipole resonance (PDR) using relativistic quasiparticle random-phase approximation (RQRPA) and relativistic quasiparticle time-blocking approximation (RQTBA). Comparison with experimental data.

doi: 10.1103/PhysRevC.79.054312
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2009SI14      Phys.Rev. C 79, 064310 (2009); Erratum Phys.Rev. C 80, 019905 (2009)

K.Sieja, F.Nowacki, K.Langanke, G.Martinez-Pinedo

Shell model description of zirconium isotopes

NUCLEAR STRUCTURE 90,91,92,93,94,95,96,97,98Zr; calculated B(E2), B(M1), levels, occupation numbers, and g-factors using shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.79.064310
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2008AR06      Phys.Rev. C 78, 015806 (2008)

A.Arcones, G.Martinez-Pinedo, E.O'Connor, A.Schwenk, H.-Th.Janka, C.J.Horowitz, K.Langanke

Influence of light nuclei on neutrino-driven supernova outflows

NUCLEAR REACTIONS 3H(ν-bar, ν-bar), (ν-bar, e+), E=11-100 MeV; calculated σ.

doi: 10.1103/PhysRevC.78.015806
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2008BA08      Phys.Rev. C 77, 024304 (2008)

C.Barbieri, E.Caurier, K.Langanke, G.Martinez-Pinedo

Pygmy dipole response of proton-rich argon nuclei in random-phase approximation and no-core shell model

NUCLEAR STRUCTURE 32,34Ar; calculated B(E1), isovector dipole strength.particle transition energies. Investigated pygmy dipole resonances.

doi: 10.1103/PhysRevC.77.024304
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2008BA36      Phys.Rev. C 78, 039802 (2008)

C.Barbieri, E.Caurier, K.Langanke, G.Martinez-Pinedo

Reply to "Comment on `Pygmy dipole response of proton-rich argon nuclei in random-phase approximation and no-core shell model'"

doi: 10.1103/PhysRevC.78.039802
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2008BO35      Nucl.Phys. A814, 159 (2008)

I.N.Borzov, J.J.Cuenca-Garcia, K.Langanke, G.Martinez-Pinedo, F.Montes

Beta-decay of Z < 50 nuclei near the N = 82 closed neutron shell

RADIOACTIVITY Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In(β-); calculated β-decay Q-values, T1/2 using QRPA with local energy-density functional theory. Comparison with other models and data.

doi: 10.1016/j.nuclphysa.2008.09.010
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2008GR10      Phys.Rev. C 77, 064303 (2008)

E.-W.Grewe, C.Baumer, H.Dohmann, D.Frekers, M.N.Harakeh, S.Hollstein, H.Johansson, K.Langanke, G.Martinez-Pinedo, F.Nowacki, I.Petermann, L.Popescu, S.Rakers, D.Savran, K.Sieja, H.Simon, J.H.Thies, A.M.van den Berg, H.J.Wortche, A.Zilges

Studies on the double-β decay nucleus 64Zn using the (d, 2He) reaction

NUCLEAR REACTIONS 64Zn(d, 2He), E=183 MeV; measured charged particle energies, angular distributions, σ(θ). 64Cu; deduced levels, J, π, Gamow-Teller strengths. 64Ni(3He, t); analyzed Gamow-Teller strength distribution. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.77.064303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0478. Data from this article have been entered in the XUNDL database. For more information, click here.

2008JU03      J.Phys.(London) G35, 014031 (2008)

A.Juodagalvis, J.M.Sampaio, K.Langanke, W.R.Hix

Extended pool of electron-capture rates for core-collapse supernovae simulations

doi: 10.1088/0954-3899/35/1/014031
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2008WE10      Phys.Rev. C 78, 054310 (2008)

C.Weber, V.-V.Elomaa, R.Ferrer, C.Frohlich, D.Ackermann, J.Aysto, G.Audi, L.Batist, K.Blaum, M.Block, A.Chaudhuri, M.Dworschak, S.Eliseev, T.Eronen, U.Hager, J.Hakala, F.Herfurth, F.P.Hessberger, S.Hofmann, A.Jokinen, A.Kankainen, H.-J.Kluge, K.Langanke, A.Martin, G.Martinez-Pinedo, M.Mazzocco, I.D.Moore, J.B.Neumayr, Yu.N.Novikov, H.Penttila, W.R.Plass, A.V.Popov, S.Rahaman, T.Rauscher, C.Rauth, J.Rissanen, D.Rodriguez, A.Saastamoinen, C.Scheidenberger, L.Schweikhard, D.M.Seliverstov, T.Sonoda, F.-K.Thielemann, P.G.Thirolf, G.K.Vorobjev

Mass measurements in the vicinity of the r p-process and the ν p-process paths with the Penning trap facilities JYFLTRAP and SHIPTRAP

ATOMIC MASSES 84Y, 87Zr, 88,89Mo, 88,89,90,91,92Tc, 90,91,92,93Ru, 92,93,94,95Rh, 94,95,95m,96Pd; measured masses. Comparison with evaluated data.

doi: 10.1103/PhysRevC.78.054310
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2007BY02      Phys.Rev.Lett. 98, 082501 (2007)

A.Byelikov, T.Adachi, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, A.Heger, Y.Kalmykov, K.Kawase, K.Langanke, G.Martinez-Pinedo, K.Nakanishi, P.von Neumann-Cosel, R.Neveling, A.Richter, N.Sakamoto, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, F.D.Smit, Y.Tameshige, A.Tamii, S.E.Woosley, M.Yosoi

Gamow-Teller Strength in the Exotic Odd-Odd Nuclei 138La and 180Ta and Its Relevance for Neutrino, Nucleosynthesis

NUCLEAR REACTIONS 138Ba, 180Hf(3He, t), E=140 MeV/nucleon; measured particle spectra. 138La, 180Ta deduced Gamow-Teller strength distributions. Implications for stellar nucleosynthesis discussed.

doi: 10.1103/PhysRevLett.98.082501
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2007CU03      Eur.Phys.J. A 34, 99 (2007)

J.J.Cuenca-Garcia, G.Martinez-Pinedo, K.Langanke, F.Nowacki, I.N.Borzov

Shell model half-lives for r-process N = 82 nuclei

RADIOACTIVITY 124Mo, 125Tc, 126Ru, 127Rh, 128Pd, 129Ag, 130Cd, 131In(β-); calculated T1/2, Q-values, Gamow-Teller strength distributions, two-neutron separation energies and one-neutron emission probabilities using a shell model with enlarged model space. Comparison with other models and data.

doi: 10.1140/epja/i2007-10477-3
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2007FU04      Phys.Rev. C 75, 034310 (2007)

H.Fujita, Y.Fujita, T.Adachi, A.D.Bacher, G.P.A.Berg, T.Black, E.Caurier, C.C.Foster, H.Fujimura, K.Hara, K.Harada, K.Hatanaka, J.Janecke, J.Kamiya, Y.Kanzaki, K.Katori, T.Kawabata, K.Langanke, G.Martinez-Pinedo, T.Noro, D.A.Roberts, H.Sakaguchi, Y.Shimbara, T.Shinada, E.J.Stephenson, H.Ueno, T.Yamanaka, M.Yoshifuku, M.Yosoi

Isospin structure of Jπ = 1+ states in 58Ni and 58Cu studied by 58Ni(p, p') and 58Ni(3He, t)58Cu measurements

NUCLEAR REACTIONS 58Ni(p, p'), E=160 MeV; measured Ep, σ(θ=0°). 58Ni(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ=0°). 58Ni, 58Cu deduced 1+ level energies, B(GT), isospin symmetry features. Comparison with shell model predictions.

doi: 10.1103/PhysRevC.75.034310
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2007GR19      Rep.Prog.Phys. 70, 1525 (2007)

H.Grawe, K.Langanke, G.Martinez-Pinedo

Nuclear structure and astrophysics

NUCLEAR STRUCTURE Li, Sn; A=60, 80, 130, 140, 195, 208; analyzed level energies, single particle energies, and spectroscopic factors. Discussed astrophysical *implications.

doi: 10.1088/0034-4885/70/9/R02
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2007JU05      Phys.Rev.Lett. 99, 132501 (2007)

A.Jungclaus, L.Caceres, M.Gorska, M.Pfutzner, S.Pietri, E.Werner-Malento, H.Grawe, K.Langanke, G.Martinez-Pinedo, F.Nowacki, A.Poves, J.J.Cuenca-Garcia, D.Rudolph, Z.Podolyak, P.H.Regan, P.Detistov, S.Lalkovski, V.Modamio, J.Walker, P.Bednarczyk, P.Doornenbal, H.Geissel, J.Gerl, J.Grebosz, I.Kojouharov, N.Kurz, W.Prokopowicz, H.Schaffner, H.J.Wollersheim, K.Andgren, J.Benlliure, G.Benzoni, A.M.Bruce, E.Casarejos, B.Cederwall, F.C.L.Crespi, B.Hadinia, M.Hellstrom, R.Hoischen, G.Ilie, J.Jolie, A.Khaplanov, M.Kmiecik, R.Kumar, A.Maj, S.Mandal, F.Montes, S.Myalski, G.S.Simpson, S.J.Steer, S.Tashenov, O.Wieland

Observation of Isomeric Decays in the r-Process Waiting-Point Nucleus 130Cd82

RADIOACTIVITY 130Cd(IT) [from Be(136Xe, 6n), E=750 MeV/nucleon]; measured Eγ, Iγ, γγ-coinc. 130Cd deduced levels, J, π.

doi: 10.1103/PhysRevLett.99.132501
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2007KA46      Nucl.Phys. A788, 136c (2007)

Y.Kalmykov, K.Langanke, G.Martinez-Pinedo, D.Mocelj, P.von Neumann-Cosel, I.Poltoratska, V.Yu.Ponomarev, A.Richter, A.Shevchenko, J.Wambach

Spin- and Parity-Resolved Level Densities from High-Resolution Hadron and Electron Scattering Studies of Giant Resonances

NUCLEAR REACTIONS 90Zr(3He, t), E=140 MeV/nucleon; 90Zr(e, e'), E=42.5, 66.4, 82.3 MeV; 90Zr(p, p'), E=200 MeV; analyzed excitation energy spectra. 90Zr, 90Nb deduced Gamow-Teller resonance and GQR energies and level densities. 58Ni(3He, t), (e, e'), (p, p'), E not given; analyzed excitation energy spectra. 58Ni, 58Cu deduced level densities. Discrete wavelet transform and fluctuation analysis, back-shifted Fermi gas and Hartree-Fock-BCS models.

doi: 10.1016/j.nuclphysa.2007.01.059
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2007KA58      Phys.Rev.Lett. 99, 202502 (2007)

Y.Kalmykov, C.Ozen, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, A.Richter

Spin- and Parity-Resolved Level Densities from the Fine Structure of Giant Resonances

NUCLEAR REACTIONS 58Ni, 90Zr(p, p'), (e, e'), E not given; 90Zr(3He, t), E not given; analyzed cross sections. deduced level densities.

doi: 10.1103/PhysRevLett.99.202502
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2007LA15      Prog.Part.Nucl.Phys. 59, 66 (2007)

K.Langanke, H.Feldmeier, G.Martinez-Pinedo, T.Neff

Astrophysically important nuclear reactions

doi: 10.1016/j.ppnp.2006.12.010
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2007LI37      Acta Phys.Pol. B38, 1359 (2007)

A.F.Lisetskiy, E.Caurier, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, F.Nowacki, A.Richter

sd - pf Shell Model Studies of M1 Strength in Ar Isotopes

NUCLEAR STRUCTURE 36,38Ar; calculated B(M1) distribution as a function of excitation energy using the nuclear shell model.

2007LI56      Nucl.Phys. A789, 114 (2007)

A.F.Lisetskiy, E.Caurier, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, F.Nowacki, A.Richter

Magnetic dipole probes of the sd and pf shell crossing in the 36, 38Ar isotopes

NUCLEAR STRUCTURE 36,38Ar; calculated level energies, J, π, and magnetic dipole strength distributions within a large scale shell model study.

doi: 10.1016/j.nuclphysa.2007.01.074
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2007MA36      Prog.Part.Nucl.Phys. 59, 199 (2007)

G.Martinez-Pinedo, D.Mocelj, N.T.Zinner, A.Kelic, K.Langanke, I.Panov, B.Pfeiffer, T.Rauscher, K.-H.Schmidt, F.-K.Thielemann

The role of fission in the r-process

doi: 10.1016/j.ppnp.2007.01.018
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2007MO15      Phys.Rev. C 75, 045805 (2007)

D.Mocelj, T.Rauscher, G.Martinez-Pinedo, K.Langanke, L.Pacearescu, A.Faessler, F.-K.Thielemann, Y.Alhassid

Large-scale prediction of the parity distribution in the nuclear level density and application to astrophysical reaction rates

NUCLEAR STRUCTURE 56,58,60,62,64,66Fe, 47,48,49,50,66,68,70,72Ni, 66,70Zn, 76,78,80,82Sr, 89Y, 90Zr, 91Nb, 92Mo, 118,120,122,124Sn; calculated parity-projected level density ratios.

NUCLEAR REACTIONS 67,69Se(n, γ), (p, γ), E=low; 94Nb, 95Zr(p, γ), E=low; calculated astrophysical reaction rates.

doi: 10.1103/PhysRevC.75.045805
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2007OZ03      Phys.Rev. C 75, 064307 (2007)

C.Ozen, K.Langanke, G.Martinez-Pinedo, D.J.Dean

Parity-projected shell model Monte Carlo level densities for fp-shell nuclei

NUCLEAR STRUCTURE 58,62,65,66Fe, 58,59Ni; calculated level densities, occupation numbers and pairing strength for neutrons using shell model monte carlo method.

doi: 10.1103/PhysRevC.75.064307
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2007PE35      Eur.Phys.J. A 34, 319 (2007)

I.Petermann, G.Martinez-Pinedo, K.Langanke, E.Caurier

Breaking of the SU(4) limit for the Gamow-Teller strength in N ∼ Z nuclei

NUCLEAR STRUCTURE 46,48,50Ti, 50,52,54Cr, 54,56,58Fe, 62Ge; calculated Gamow-Teller strength distributions with a large-scale shell model.

doi: 10.1140/epja/i2007-10502-7
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2007SC26      Phys.Rev. C 75, 064321 (2007)

C.Scholl, P.Petkov, V.Werner, A.Linnemann, T.Adachi, A.Dewald, A.Fitzler, C.Fransen, Y.Fujita, J.Jolie, K.Langanke, A.F.Lisetskiy, G.Martinez-Pinedo, D.Mucher, J.N.Orce, N.Pietralla, N.Warr, K.O.Zell, P.von Brentano

New spin assignments in the odd-odd N = Z nucleus 42Sc and the breaking of the 40Ca core

NUCLEAR REACTIONS 40Ca(3He, p)42Sc, E=9 MeV; measured Eγ, Iγ, γγ-coinc, and angular correlations. 42Sc deduced levels, J, π, B(E2), B(M1), multipole mixing ratios. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.064321
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2007TH05      Prog.Part.Nucl.Phys. 59, 74 (2007)

F.-K.Thielemann, C.Frohlich, R.Hirschi, M.Liebendorfer, I.Dillmann, D.Mocelj, T.Rauscher, G.Martinez-Pinedo, K.Langanke, K.Farouqi, K.-L.Kratz, B.Pfeiffer, I.Panov, D.K.Nadyozhin, S.Blinnikov, E.Bravo, W.R.Hix, P.Hoflich, N.T.Zinner

Production of intermediate-mass and heavy nuclei

doi: 10.1016/j.ppnp.2006.12.019
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2007TH10      Int.J.Mod.Phys. E16, 1149 (2007)

F.-K.Thielemann, D.Mocelj, I.Panov, E.Kolbe, T.Rauscher, K.-L.Kratz, K.Farouqi, B.Pfeiffer, G.Martinez-Pinedo, A.Kelic, K.Langanke, K.-H.Schmidt, N.Zinner

The R-process: Supernovae and other sources of the heaviest elements

doi: 10.1142/S0218301307006587
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2006CA23      Phys.Lett. B 639, 32 (2006)

W.Cassing, M.Kant, K.Langanke, P.Vogel

Transport study of charged current interactions in neutrino-nucleus reactions

NUCLEAR REACTIONS 1n, 1H(ν, μ-X), E=0.4-2.0 GeV; 12C(ν, μ-X), E=0.5-1.5 GeV; calculated π+ production σ. 12C, 56Fe(ν, μ-X), E=1.0 GeV; calculated pion spectra. Dynamical transport model, final state interactions discussed.

doi: 10.1016/j.physletb.2006.03.074
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2006FR05      Phys.Rev.Lett. 96, 142502 (2006)

C.Frohlich, G.Martinez-Pinedo, M.Liebendorfer, F.-K.Thielemann, E.Bravo, W.R.Hix, K.Langanke, N.T.Zinner

Neutrino-Induced Nucleosynthesis of A > 64 Nuclei: The νp Process

doi: 10.1103/PhysRevLett.96.142502
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2006GR20      Phys.Lett. B 641, 254 (2006)

L.V.Grigorenko, K.Langanke, N.B.Shulgina, M.V.Zhukov

Soft dipole mode in 17Ne and the astrophysical 2p capture on 15O

NUCLEAR STRUCTURE 16F, 17Ne; calculated level energies, E1 transitions strength function. Three-body model.

NUCLEAR REACTIONS Au, Pb(17Ne, 15OX), E=50, 240, 500 MeV/nucleon; calculated two-proton removal σ. Two-proton capture rates in astrophysical conditions discussed.

doi: 10.1016/j.physletb.2006.08.054
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2006LA04      Prog.Part.Nucl.Phys. 57, 324 (2006)


Neutrino-nucleus reactions in core-collapse supernovae

doi: 10.1016/j.ppnp.2005.11.027
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2006LA24      Nucl.Phys. A778, 233 (2006)


Shell model Monte Carlo studies of pairing correlations and level densities in medium-mass nuclei

NUCLEAR STRUCTURE 70,71Ga, 72,75Ge, 76As, 80Zr; calculated level densities, pairing strength distributions. Shell model Monte Carlo approach.

doi: 10.1016/j.nuclphysa.2006.08.005
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2006LA29      Phys.Scr. T125, 26 (2006)


Shell model and supernovae

doi: 10.1088/0031-8949/2006/T125/006
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2006ZI01      Phys.Rev. C 74, 024326 (2006)

N.T.Zinner, K.Langanke, P.Vogel

Muon capture on nuclei: Random phase approximation evaluation versus data for 6 ≤ Z ≤ 94 nuclei

NUCLEAR REACTIONS Z=6-94(μ-, ν), E at rest; calculated muon capture rates. RPA approach, in-medium renormalization, comparison with data.

doi: 10.1103/PhysRevC.74.024326
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2005AP02      Prog.Part.Nucl.Phys. 54, 535 (2005)

A.Aprahamian, K.Langanke, M.Wiescher

Nuclear structure aspects in nuclear astrophysics

doi: 10.1016/j.ppnp.2004.09.002
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2005BA14      Phys.Rev. C 71, 024603 (2005); Erratum Phys.Rev. C 71, 029903 (2005)

C.Baumer, A.M.van den Berg, B.Davids, D.Frekers, D.De Frenne, E.-W.Grewe, P.Haefner, M.N.Harakeh, F.Hofmann, S.Hollstein, M.Hunyadi, M.A.de Huu, E.Jacobs, B.C.Junk, A.Korff, K.Langanke, G.Martinez-Pinedo, A.Negret, P.von Neumann-Cosel, L.Popescu, S.Rakers, A.Richter, H.J.Wortche

Determination of the Gamow-Teller strength distribution from the odd-odd nucleus 50V measured through 50V(d, 2He)50Ti and astrophysical implications

NUCLEAR REACTIONS 50V(d, 2p), E=171 MeV; measured Ep, pp-coin, σ(E, θ). 50V deduced Gamow-Teller strength distribution. Comparison with model predictions.

doi: 10.1103/PhysRevC.71.024603
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2005HA03      Phys.Rev. C 71, 014606 (2005)

M.Hagemann, C.Baumer, A.M.van den Berg, D.De Frenne, D.Frekers, V.M.Hannen, M.N.Harakeh, J.Heyse, M.A.de Huu, E.Jacobs, K.Langanke, G.Martinez-Pinedo, A.Negret, L.Popescu, S.Rakers, R.Schmidt, H.J.Wortche

Spin-isospin excitations in the medium-mass nucleus 58Co investigated with the (d, 2He) reaction

NUCLEAR REACTIONS 58Ni(d, 2p), E=170 MeV; measured Ep, pp-coin, σ(E, θ). 58Co deduced levels, Gamow-Teller strengths, related features. 58Ni, 58Co deduced analog states Coulomb displacement energy. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevC.71.014606
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1716. Data from this article have been entered in the XUNDL database. For more information, click here.

2005HE02      Phys.Lett. B 606, 258 (2005)

A.Heger, E.Kolbe, W.C.Haxton, K.Langanke, G.Martinez-Pinedo, S.E.Woosley

Neutrino nucleosynthesis

doi: 10.1016/j.physletb.2004.12.017
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2005HI18      Nucl.Phys. A758, 31c (2005)

W.R.Hix, O.E.B.Messer, A.Mezzacappa, J.Sampaio, K.Langanke, G.Martinez-Pinedo, M.Liebendorfer, D.J.Dean

Nuclear electron capture in core collapse supernovae

doi: 10.1016/j.nuclphysa.2005.05.010
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2005JU02      Nucl.Phys. A747, 87 (2005)

A.Juodagalvis, K.Langanke, G.Martinez-Pinedo, W.R.Hix, D.J.Dean, J.M.Sampaio

Neutral-current neutrino-nucleus cross sections for A ∼ 50-65 nuclei

NUCLEAR REACTIONS 50,51,52,53,54,55,56,57,58,59,60Mn, 52,53,54,55,56,57,58,59,60,61Fe, 54,55,56,57,58,59,60,61,62,63Co, 56,57,58,59,60,61,62,63,64Ni(ν, ν'), E=0-50 MeV; calculated neutral-current inelastic σ, neutrino spectra.

NUCLEAR STRUCTURE 50,51,52,53,54,55,56,57,58,59,60Mn, 52,53,54,55,56,57,58,59,60,61Fe, 54,55,56,57,58,59,60,61,62,63Co, 56,57,58,59,60,61,62,63,64Ni; calculated Gamow-Teller strength distributions.

doi: 10.1016/j.nuclphysa.2004.09.005
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2005KE02      Phys.Lett. B 616, 48 (2005)

A.Kelic, N.Zinner, E.Kolbe, K.Langanke, K.-H.Schmidt

Cross sections and fragment distributions from neutrino-induced fission on r-process nuclei

NUCLEAR REACTIONS 200Yb, 199,215Lu, 202,214Hf, 199Ta, 200W, 201,215Re, 200,214,226Os, 199Ir, 200Pt, 215Au, 216,234Hg, 233Tl, 216Pb, 231,245Bi, 215,233At, 234Rn, 215,233,261Fr, 216,230,246Ra, 215,231Ac, 230,274Th, 216,229,259,275Pa, 216,232,238,246,254,262,270,278,286,294,302U, 231,281Np, 286Pu, 245,275,293Am, 296Cm, 245,259,297Bk, 276,300Cf, 301Es, 246,260,304Fm, 307Md, 276,308No, 261,313Lr, 314Rf, 321Db, 276,322Sg, 261,325Bh, 324Hs, 276Ds, 276Cn(ν, F), (ν, X), (ν, xn), E=spectrum; calculated total, fission, neutron evaporation σ, fission fragment mass distributions.

doi: 10.1016/j.physletb.2005.04.074
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2005LA22      Nucl.Phys. A757, 360 (2005)

K.Langanke, D.J.Dean, W.Nazarewicz

Thermal properties of N = 40 isotones

NUCLEAR STRUCTURE 68Ni, 70Zn, 72Ge, 80Zr; calculated B(E2) distributions, pairing strengths, thermodynamic quantities, deformation effects. Shell-model Monte Carlo approach.

doi: 10.1016/j.nuclphysa.2005.04.023
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2005MO27      Nucl.Phys. A758, 154c (2005)

D.Mocelj, T.Rauscher, K.Langanke, G.Martinez Pinedo, L.Pacearescu, A.Faessler, F.-K.Thielemann

Parity-Dependence in the Nuclear Level Density

NUCLEAR STRUCTURE 48Ti, 56Fe, 58Ni, 54,58,62,66,70,74Zn; calculated parity dependent level densities. Astrophysical implications discussed.

doi: 10.1016/j.nuclphysa.2005.05.032
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2005MO36      J.Phys.(London) G31, S1927 (2005)

D.Mocelj, T.Rauscher, F.-K.Thielemann, G.Martinez Pinedo, K.Langanke, L.Pacearescu, A.Faessler

Towards a parity-dependent level density for astrophysics

NUCLEAR STRUCTURE 48Ti, 56Fe, 58Ni, 54,58,62,66,70,74Zn; calculated parity ratio of level densities vs excitation energy.

doi: 10.1088/0954-3899/31/10/103
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2004HA01      Phys.Lett. B 579, 251 (2004)

M.Hagemann, A.M.van den Berg, D.De Frenne, V.M.Hannen, M.N.Harakeh, J.Heyse, M.A.de Huu, E.Jacobs, K.Langanke, G.Martinez-Pinedo, H.J.Wortche

High-resolution determination of GT strength distributions relevant to the presupernova evolution using the (d, 2He) reaction

NUCLEAR REACTIONS 58Ni(d, 2p), E=170 MeV; measured Ep, pp-coin, σ(E, θ); deduced Gamow-Teller strength distributions. Astrophysical implications discussed.

doi: 10.1016/j.physletb.2003.09.101
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2004KO13      Phys.Rev.Lett. 92, 111101 (2004)

E.Kolbe, K.Langanke, G.M.Fuller

Neutrino-Induced Fission of Neutron-Rich Nuclei

NUCLEAR REACTIONS 232,240,248,256Po, 228,236,244,252,260Rn, 230,238,246,254,262Ra, 232,240,248,256,264Th, 238,246,254,262,270U(ν, F), E=spectrum; calculated neutrino-induced fission σ. Astrophysical implications discussed.

doi: 10.1103/PhysRevLett.92.111101
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2004LA05      Nucl.Phys. A731, 365 (2004)

K.Langanke, G.Martinez-Pinedo

Supernova neutrino-nucleus reactions

NUCLEAR REACTIONS 56,59Fe, 56,59Co(ν, ν'), E=0-20 MeV; 40Ar(ν, e), E=0-100 MeV; 138Ba(ν, exnypzα), E=3-10 MeV; calculated σ. Astrophysical implications discussed.

doi: 10.1016/j.nuclphysa.2003.11.049
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2004LA25      Phys.Rev.Lett. 93, 202501 (2004)

K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, A.Richter

Supernova Inelastic Neutrino-Nucleus Cross Sections from High-Resolution Electron Scattering Experiments and Shell-Model Calculations

NUCLEAR REACTIONS 50Ti, 52Cr, 54Fe(e, e'), E* ≈ 6-14 MeV; analyzed data; deduced magnetic dipole strength distributions. 50Ti, 52Cr, 54Fe(ν, ν'), E=threshold-40 MeV; calculated σ, σ(E).

doi: 10.1103/PhysRevLett.93.202501
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2004NI17      Nucl.Phys. A746, 513c (2004)

T.Nilsson, J.Aysto, K.Langanke, K.Riisager, G.Martinez-Pinedo, E.Kolbe

Muonic radioactive atoms - a unique probe for nuclear structure

doi: 10.1016/j.nuclphysa.2004.09.139
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2004RA05      Eur.Phys.J. A 19, 283 (2004)

F.Raiola, L.Gang, C.Bonomo, G.Gyurky, M.Aliotta, H.W.Becker, R.Bonetti, C.Broggini, P.Corvisiero, A.D'Onofrio, Z.Fulop, G.Gervino, L.Gialanella, M.Junker, P.Prati, V.Roca, C.Rolfs, M.Romano, E.Somorjai, F.Strieder, F.Terrasi, G.Fiorentini, K.Langanke, J.Winter

Enhanced electron screening in d(d, p)t for deuterated metals

NUCLEAR REACTIONS 2H(d, p), E=low; measured yields in deuterated metals; deduced electron screening effect, astrophysical S-factors.

doi: 10.1140/epja/i2003-10125-0
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2003BA77      Phys.Rev. C 68, 031303 (2003)

C.Baumer, A.M.van den Berg, B.Davids, D.Frekers, D.De Frenne, E.-W.Grewe, P.Haefner, M.N.Harakeh, F.Hofmann, M.Hunyadi, E.Jacobs, B.C.Junk, A.Korff, K.Langanke, G.Martinez-Pinedo, A.Negret, P.von Neumann-Cosel, L.Popescu, S.Rakers, A.Richter, H.J.Wortche

High-resolution study of the Gamow-Teller strength distribution in 51Ti measured through 51V(d, 2He)51Ti

NUCLEAR REACTIONS 51V(d, 2p), E=171 MeV; measured Ep, pp-coin. 51Ti deduced levels, Gamow-Teller strength distribution. Comparison with large-scale shell model predictions.

doi: 10.1103/PhysRevC.68.031303
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2003BO29      Nucl.Phys. A719, 37c (2003)

C.Bonomo, G.Fiorentini, Z.Fulop, L.Gang, G.Gyurky, K.Langanke, F.Raiola, C.Rolfs, E.Somorjai, F.Strieder, J.Winter, M.Aliotta

Enhanced electron screening in d(d, p)t for deuterated metals: a possible classical explanation

NUCLEAR REACTIONS 2H(d, p), E not given; analyzed yields in several deuterated materials; deduced electron screening effect.

doi: 10.1016/S0375-9474(03)00955-2
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2003FE06      Nucl.Phys. A727, 41 (2003)

F.W.Fearick, G.Hartung, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, A.Richter

Low-energy magnetic dipole response in 56Fe from high-resolution electron scattering

NUCLEAR REACTIONS 56Fe(e, e'), E=29.8-157.2; measured electron spectra, σ(E, θ). 56Fe deduced levels, J, π, excitation B(M1), scissors mode. Comparison with shell model results.

doi: 10.1016/j.nuclphysa.2003.07.016
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2003HE16      Nucl.Phys. A718, 159c (2003)

A.Heger, S.E.Woosley, K.Langanke, E.Kolbe, T.Rauscher, R.D.Hoffman

Nucleosynthesis of heavy elements in massive stars

doi: 10.1016/S0375-9474(03)00708-5
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2003KO50      J.Phys.(London) G29, 2569 (2003)

E.Kolbe, K.Langanke, G.Martinez-Pinedo, P.Vogel

Neutrino-nucleus reactions and nuclear structure

NUCLEAR REACTIONS 16O(ν, eX), (ν, μ-X), E=100-500 MeV; calculated σ, σ(θ). 12C(ν, μ-), E=120-240 MeV; calculated σ. 16O, 56Fe, 208Pb(ν, ν'), (ν, ν'n), (ν, ν'p), (ν, ν'X), (ν-bar, e+), (ν-bar, e+n), (ν-bar, e+α), (ν-bar, e+X), 16O, 56Fe, 138Ba, 208Pb(ν, ep), 16O(ν, ν'np), (ν, ν'2n), (ν, ν'2p), (ν, ν'nα), (ν, ν'pα), (ν, enpα), (ν-bar, e+nα), (ν-bar, e+2n), (ν-bar, e+np), 16O, 138Ba(ν, enp), (ν, e2p), (ν, epα), 16O, 56Fe, 138Ba(ν, eα), 16O, 56Fe(ν, eX), 56Fe(ν, ν'α), 56Fe, 208Pb(ν, e), (ν-bar, e+p), 56Fe, 138Ba, 208Pb(ν, en), 138Ba(ν, e2n), (ν, enα), (ν, e2α), E=spectrum; calculated σ, σ(E).

doi: 10.1088/0954-3899/29/11/010
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2003LA05      Phys.Rev. C 67, 044314 (2003)

K.Langanke, J.Terasaki, F.Nowacki, D.J.Dean, W.Nazarewicz

How magic is the magic 68Ni nucleus?

NUCLEAR STRUCTURE 56,58,60,62,64,66,68,70,72,74,76,78,80Ni; calculated 2+ level energies, B(E2) strength distributions; deduced shell features. Shell model Monte Carlo, quasiparticle RPA, large-scale diagonalization shell model.

doi: 10.1103/PhysRevC.67.044314
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2003LA10      Rev.Mod.Phys. 75, 819 (2003)

K.Langanke, G.Martinez-Pinedo

Nuclear weak-interaction processes in stars

doi: 10.1103/RevModPhys.75.819
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2003LA14      Nucl.Phys. A718, 92c (2003)


Weak-interaction processes in stars

doi: 10.1016/S0375-9474(03)00684-5
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2003LA18      Nucl.Phys. A728, 109 (2003)

K.Langanke, D.J.Dean, W.Nazarewicz

Shell model Monte Carlo studies of nuclei in the A ∼ 80 mass region

NUCLEAR STRUCTURE 72,74,76Kr, 76,78,80Sr, 80,82,84Zr; calculated ground-state configurations, deformations, transitions B(E2). Shell model Monte Carlo approach.

doi: 10.1016/j.nuclphysa.2003.08.024
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2003MA45      Nucl.Phys. A718, 452c (2003)

G.Martinez-Pinedo, D.J.Dean, K.Langanke, J.Sampaio

Neutrino-nucleus Interactions in Core-collapse Supernova

NUCLEAR REACTIONS 60,62Ni, 59,61Fe, 60,62Co(ν, X), (ν-bar, X), E=0-50 MeV; calculated absorption σ vs temperature, chemical potential. 56Fe, 59Co(ν, ν'), calculated inelastic σ, neutrino spectra.

doi: 10.1016/S0375-9474(03)00849-2
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2003SA32      Nucl.Phys. A718, 440c (2003)

J.M.Sampaio, K.Langanke, G.Martinez-Pinedo, E.Kolbe, D.J.Dean

Electron capture rates for core collapse supernovae

NUCLEAR REACTIONS 1H, 70Cu, 72Zn, 76Ga, 93Kr(e, ν), E=stellar; calculated neutrino energies, capture rates vs chemical potential, temperature. Implications for supernovae core collapse discussed.

doi: 10.1016/S0375-9474(02)00832-7
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2003ZI02      Eur.Phys.J. A 17, 625 (2003)

N.T.Zinner, K.Langanke, K.Riisager, E.Kolbe

Muon capture on nickel and tin isotopes

NUCLEAR REACTIONS 48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86Ni, 100,104,108,112,114,116,118,120,122,124,128,132,136,140,144,148,152,156,160Sn(μ, X), E at rest; calculated muon capture rates; deduced nuclear structure effects.

doi: 10.1140/epja/i2003-10020-8
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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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2002CU07      Eur.Phys.J. A 15, 291 (2002)

R.Cussons, K.Langanke, T.Liolios

Potential resonant screening effects on stellar 12C + 12C reaction rates

NUCLEAR REACTIONS 12C(12C, X), E=400-1500 keV; calculated resonant screening correction factor. Astrophysical implications discussed.

doi: 10.1140/epja/i2002-10063-3
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2002DE49      Phys.Rev. C66, 045802 (2002)

D.J.Dean, K.Langanke, J.M.Sampaio

Temperature dependence of the symmetry energy

NUCLEAR STRUCTURE 56,59Mn, 56Cr, 56,59Fe, 56Co, 56,59,66Ni, 59,61,63,64Cu, 66Zn, 61,63,64Ga; calculated temperature dependence of symmetry energy. Shell model Monte Carlo approach.

doi: 10.1103/PhysRevC.66.045802
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2002FU07      Eur.Phys.J. A 13, 411 (2002)

Y.Fujita, H.Fujita, T.Adachi, G.P.A.Berg, E.Caurier, H.Fujimura, K.Hara, K.Hatanaka, Z.Janas, J.Kamiya, T.Kawabata, K.Langanke, G.Martinez-Pinedo, T.Noro, E.Roeckl, Y.Shimbara, T.Shinada, S.Y.van der Werf, M.Yoshifuku, M.Yosoi, R.G.T.Zegers

Gamow-Teller Transitions from 58Ni to Discrete States of 58Cu the Study of Isospin Symmetry in Atomic Nuclei

NUCLEAR REACTIONS 58Ni(3He, t), E=150 MeV/nucleon; measured triton spectra, σ(θ=0°). 58Cu deduced levels, Gamow-Teller strength distribution. 58Ni deduced excitation B(M1). Comparison with shell model.

doi: 10.1007/s10050-002-8771-8
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