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Search: Author = G.Martinez-Pinedo

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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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2022SI17      Phys.Rev. C 106, 015803 (2022)

A.Sieverding, J.S.Randhawa, D.Zetterberg, R.J.deBoer, T.Ahn, R.Mancino, G.Martinez-Pinedo, W.R.Hix

Role of low-lying resonances for the 10Be(p, α)7Li reaction rate and implications for the formation of the Solar System

NUCLEAR REACTIONS 10Be(p, α), (α, n), E not given; 10Be(ν, e-), E=2.8-10 MeV; analyzed reaction rates, σ; deduced influence on the content of 10Be in supernovae environment. 10Be(p, α), E<1.5 MeV; analyzed reaction rate, experimental data on resonance in 11B at 193 keV, ; deduced reaction rate, astrophysical S-factor. Showed that, with the new reaction rate, a low-mass corecollapse supernovae is unlikely to produce enough 10Be to explain the observed 10Be/9Be ratio in meteorites. Comparison to data from JINA-REACLIB.

doi: 10.1103/PhysRevC.106.015803
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2022ST02      Phys.Rev. C 105, 025803 (2022)

D.F.Stromberg, G.Martinez-Pinedo, F.Nowacki

Forbidden electron capture on 24Na and 27Al in degenerate oxygen-neon stellar cores

RADIOACTIVITY 24Na, 27Al(EC); calculated form factor coefficients for forbidden transitions, logft. Shell model and conserved vector current (CVC) theory calculations.

NUCLEAR REACTIONS 24Na, 27Al(e-, ν); calculated reaction rates with taking into account the forbidden transitions. Based on stellar evolution code MESA (Modules for Experiment in Stellar Astrophysics) simulations discussed the astrophysical impact of forbidden transitions.

doi: 10.1103/PhysRevC.105.025803
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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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2020FI02      Phys.Rev. C 101, 025804 (2020)

T.Fischer, G.Guo, A.A.Dzhioev, G.Martinez-Pinedo, M.-R.Wu, A.Lohs, Y.-Z.Qian

Neutrino signal from proto-neutron star evolution: Effects of opacities from charged-current-neutrino interactions and inverse neutron decay

NUCLEAR REACTIONS 1H(ν-bar, e+)n, 1n(ν, e-)p, E<100 MeV; derived expressions for medium-dependent charged-current reactions in fully inelastic kinematics, including contribution from weak magnetism; implemented weak reaction rates in the supernova model; simulated core-collapse supernova explosions and proto-neutron star (PNS) deleptonization; analyzed subsequent neutrino signal depending on the treatment of weak interactions; investigated nuclear medium dependence at the mean-field level, with the inverse neutron decay as new opacity source; calculated complete nucleosynthesis outcome from core-collapse supernova explosion simulation.

doi: 10.1103/PhysRevC.101.025804
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2020FI08      Phys.Rev. C 102, 055807 (2020)

T.Fischer, S.Typel, G.Ropke, N.-U.F.Bastian, G.Martinez-Pinedo

Medium modifications for light and heavy nuclear clusters in simulations of core collapse supernovae: Impact on equation of state and weak interactions

NUCLEAR STRUCTURE 2,3,4H, 3,4,5He; calculated effective nuclear binding energies using generalized relativistic density-functional (gRDF) approach, including a shift due to Pauli blocking, and quantum statistical (QS) model. 1n, 1,2,3,4,5H, 3,4,5He; Z>2; calculated mass fractions as a function of the rest mass density and temperature, radial profiles of velocity, rest mass density, electron fraction, temperature and entropy per baryon, mass fractions, and the composition by the average A and Z as a function of the enclosed baryon mass and radius using the gRDF(DD2) model, and HS(DD2) modified NSE model, before and after core bounce of core collapse supernovae; developed a new equation of state (EOS) for infinite nuclear matter with the inclusion of an improved description of nuclear bound states with special emphasis on hydrogen and helium isotopes, including novel states of 4H, 5H and 5He.

NUCLEAR REACTIONS 2H(ν, e-)pp, (ν-bar, e+)nn, (e-, ν)nn, (e+, ν-bar)pp; 3,4H(ν, e-)3He/4He; 3,4He(ν-bar, e+)3H/4H; derived expressions for medium-dependent charged current reaction rates, in fully inelastic kinematics for processes involving 2H, and in the elastic approximation for processes involving 3H/3He and 4H/4He; implemented new nuclear equation of state (EOS) and weak reaction rates involving light nuclei into supernova model; simulated core-collapse supernova post-bounce phase; analyzed subsequent supernova dynamics and neutrino emission. Investigated role of heavy nuclear clusters and weakly-bound light nuclear clusters for core collapse supernova studies.

doi: 10.1103/PhysRevC.102.055807
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2020GI06      Phys.Rev. C 102, 045804 (2020)

S.A.Giuliani, G.Martinez-Pinedo, M.-R.Wu, L.M.Robledo

Fission and the r-process nucleosynthesis of translead nuclei in neutron star mergers

NUCLEAR STRUCTURE Z=85-120, N=120-250; calculated highest fission barriers, energy windows for β-delayed fission and neutron-induced fission. A=100-240; A=180-350; Z=30-100, N=65-230; calculated abundances as function of mass number and neutron numbers. A=254, Z=89-99; calculated neutron-induced fission and neutron capture stellar reaction rates at 0.64 GK. A=220-230; calculated abundances, radioactive energy emitted by β and α decays, and fission as a function of time for different ejecta conditions, ejecta heating rate as a function of time. Finite range droplet model with Thomas-Fermi (FRDM+TF), Skyrme HFB14, and Barcelona-Catania-Paris-Madrid (BCPM), energy density functional (EDF) methods.

doi: 10.1103/PhysRevC.102.045804
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2020RE04      Phys.Rev. C 101, 025803 (2020)

M.P.Reiter, S.Ayet San Andres, S.Nikas, J.Lippuner, C.Andreoiu, C.Babcock, B.R.Barquest, J.Bollig, T.Brunner, T.Dickel, J.Dilling, I.Dillmann, E.Dunling, G.Gwinner, L.Graham, C.Hornung, R.Klawitter, B.Kootte, A.A.Kwiatkowski, Y.Lan, D.Lascar, K.G.Leach, E.Leistenschneider, G.Martinez-Pinedo, J.E.McKay, S.F.Paul, W.R.Plass, L.Roberts, H.Schatz, C.Scheidenberger, A.Sieverding, R.Steinbrugge, R.Thompson, M.E.Wieser, C.Will, D.Welch

Mass measurements of neutron-rich gallium isotopes refine production of nuclei of the first r-process abundance peak in neutron-star merger calculations

ATOMIC MASSES 80,81,82,83,84,85Ga; measured time-of-flight spectra and mass excesses using the Ion Guide Laser Ion Source (IG-LIS) and Multiple-Reflection Time-of-Flight Mass-Spectrometer and isobar separator (MR-TOF-MS) at TRIUMF-TITAN facility; deduced solar r-process abundances for A=70-140. Comparison with AME-2016 values. Systematics of experimental and theoretical S(2n) values for Z=30-33, N=46-57 isotopes.

doi: 10.1103/PhysRevC.101.025803
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2020SC05      Phys.Rev. C 101, 055804 (2020)

B.Schuetrumpf, G.Martinez-Pinedo, P.-G.Reinhard

Survey of nuclear pasta in the intermediate-density regime: Structure functions for neutrino scattering

doi: 10.1103/PhysRevC.101.055804
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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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2019PE18      J.Phys.(London) G46, 085103 (2019)

J.Petkovic, T.Marketin, G.Martinez-Pinedo, N.Paar

Self-consistent calculation of the reactor antineutrino spectra including forbidden transitions

NUCLEAR REACTIONS 235,238U, 239,241Pu(n, F)ν-bar/E, E thermal; calculated electron and antineutrino spectra.

doi: 10.1088/1361-6471/ab28f5
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2019SC18      Phys.Rev. C 100, 045806 (2019)

B.Schuetrumpf, G.Martinez-Pinedo, Md.Afibuzzaman, H.M.Aktulga

Survey of nuclear pasta in the intermediate-density regime: Shapes and energies

doi: 10.1103/PhysRevC.100.045806
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2019WU03      Phys.Rev.Lett. 122, 062701 (2019)

M.-R.Wu, J.Barnes, G.Martinez-Pinedo, B.D.Metzger

Fingerprints of Heavy-Element Nucleosynthesis in the Late-Time Lightcurves of Kilonovae

RADIOACTIVITY 223Ra, 225Ac(α), 225Ra(β-), 254Cf(SF); calculated binary neutron star merger luminosity, decay heating rate.

doi: 10.1103/PhysRevLett.122.062701
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2018GI05      Phys.Rev. C 97, 034323 (2018)

S.A.Giuliani, G.Martinez-Pinedo, L.M.Robledo

Fission properties of superheavy nuclei for r-process calculations

NUCLEAR STRUCTURE 232Th, 262,290No, 316Ds; calculated collective fission properties as a function of quadrupole moment. Z=84-120, N=118-250; calculated S(2n), fission barrier heights, spontaneous fission half-lives as function of fissibility parameter, energy window for the neutron-induced fission, dominating decay channels of spontaneous fission, α-decay, neutron-capture, neutron-induced α emission, neutron-induced fission, and two-neutron emission for 3640 superheavy nuclides. Self-consistent mean-field calculations using the Barcelona-Catania-Paris-Madrid energy density functional. Comparison with available experimental data.

doi: 10.1103/PhysRevC.97.034323
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2018XI04      Phys.Lett. B 781, 358 (2018)

Y.M.Xing, K.A.Li, Y.H.Zhang, X.H.Zhou, M.Wang, Yu.A.Litvinov, K.Blaum, S.Wanajo, S.Kubono, G.Martinez-Pinedo, A.Sieverding, R.J.Chen, P.Shuai, C.Y.Fu, X.L.Yan, W.J.Huang, X.Xu, X.D.Tang, H.S.Xu, T.Bao, X.C.Chen, B.S.Gao, J.J.He, Y.H.Lam, H.F.Li, J.H.Liu, X.W.Ma, R.S.Mao, M.Si, M.Z.Sun, X.L.Tu, Q.Wang, J.C.Yang, Y.J.Yuan, Q.Zeng, P.Zhang, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, C.Frohlich, T.Rauscher, F.-K.Thielemann, B.H.Sun, Y.Sun, A.C.Dai, F.R.Xu

Mass measurements of neutron-deficient Y, Zr, and Nb isotopes and their impact on rp and νp nucleosynthesis processes

ATOMIC MASSES 78,79Y, 80,81Zr, 82,83,84Nb, 84Mo; measured revolution time spectrum; deduced mass excess values and proton separation energies. Comparison with available data.

doi: 10.1016/j.physletb.2018.04.009
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2017BO24      Phys.Rev.Lett. 119, 242702 (2017)

R.Bollig, H.-T.Janka, A.Lohs, G.Martinez-Pinedo, C.J.Horowitz, T.Melson

Muon Creation in Supernova Matter Facilitates Neutrino-Driven Explosions

doi: 10.1103/PhysRevLett.119.242702
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2017GI04      Acta Phys.Pol. B48, 299 (2017)

S.A.Giuliani, G.Martinez-Pinedo, L.M.Robledo, M.-R.Wu

r-process Calculations with a Microscopic Description of the Fission Process

NUCLEAR REACTIONS Z=84-120(n, f), E not given; calculated fission rates, r-process abundances using TALYS code with BCPM EDF (Barcelona-Catania-Paris-Madrid Energy Density functional) and using Panov rates, r-process abundances. Compared with Solar abundances.

RADIOACTIVITY Z=84-120(SF); calculated fission rates, r-process abundances using TALYS code with BCPM EDF (Barcelona-Catania-Paris-Madrid Energy Density functional) and using Panov rates, r-process abundances. Compared with Solar abundances.

doi: 10.5506/APhysPolB.48.299
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2017MA16      Acta Phys.Pol. B48, 641 (2017)

T.Marketin, A.Sieverding, M.-R.Wu, N.Paar, G.Martinez-Pinedo

Microscopic Calculations of β-decay Rates for r-process

COMPILATION Z=8-110; compiled contribution of first-forbidden β-decay of neutron-rich nuclei to their total β-decay rate, T1/2

RADIOACTIVITY Z=8-110(β-), (β+); calculated T1/2, β-delayed neutron multiplicity using relativistic Hartree-Bogoliubov model with spherical symmetry and D3C parameter set; deduced ratio calculated to experimental T1/2 vs experimental T1/2.

doi: 10.5506/APhysPolB.48.641
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2016AR15      Phys.Rev. C 94, 054319 (2016)

A.Arzhanov, T.R.Rodriguez, G.Martinez-Pinedo

Systematic study of infrared energy corrections in truncated oscillator spaces with Gogny energy density functionals

NUCLEAR STRUCTURE 16,18,20,22,24O, 90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152Cd; calculated HFB energies as function of oscillator length, convergence pattern of HFB energies as a function of maximum number of SHO shells, S(2n). Z=48, 50, 52, N=40-130; calculated infra red (IR) extrapolations. Self-consistent mean-field calculations based on the Hartree-Fock-Bogolyubov (HFB) method with Gogny type effective interactions.

doi: 10.1103/PhysRevC.94.054319
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2016CA25      Phys.Rev.Lett. 117, 012501 (2016)

R.Caballero-Folch, C.Domingo-Pardo, J.Agramunt, A.Algora, F.Ameil, A.Arcones, Y.Ayyad, J.Benlliure, I.N.Borzov, M.Bowry, F.Calvino, D.Cano-Ott, G.Cortes, T.Davinson, I.Dillmann, A.Estrade, A.Evdokimov, T.Faestermann, F.Farinon, D.Galaviz, A.R.Garcia, H.Geissel, W.Gelletly, R.Gernhauser, M.B.Gomez Hornillos, C.Guerrero, M.Heil, C.Hinke, R.Knobel, I.Kojouharov, J.Kurcewicz, N.Kurz, Yu.A.Litvinov, L.Maier, J.Marganiec, T.Marketin, M.Marta, T.Martinez, G.Martinez-Pinedo, F.Montes, I.Mukha, D.R.Napoli, C.Nociforo, C.Paradela, S.Pietri, Zs.Podolyak, A.Prochazka, S.Rice, A.Riego, B.Rubio, H.Schaffner, Ch.Scheidenberger, K.Smith, E.Sokol, K.Steiger, B.Sun, J.L.Tain, M.Takechi, D.Testov, H.Weick, E.Wilson, J.S.Winfield, R.Wood, P.Woods, A.Yeremin

First Measurement of Several β-Delayed Neutron Emitting Isotopes Beyond N = 126

RADIOACTIVITY 204,205,206Au, 208,209,210,211Hg, 211,212,213Tl, 214,215,216Tl, 215,216,217,218Pb, 218,219,220Bi(β-n) [from Be(238U, X), E=1 GeV/nucleon]; measured decay products, Eβ, Iβ, En, In, β-n coinc.; deduced T1/2, neutron branching ratios. Comparison with available data, theoretical calculations.

doi: 10.1103/PhysRevLett.117.012501
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2016DZ02      Phys.Rev. C 94, 015805 (2016)

A.A.Dzhioev, A.I.Vdovin, G.Martinez-Pinedo, J.Wambach, Ch.Stoyanov

Thermal quasiparticle random-phase approximation with Skyrme interactions and supernova neutral-current neutrino-nucleus reactions

NUCLEAR REACTIONS 56Fe, 82Ge(ν, ν'), E<20 MeV; calculated inelastic neutral-current neutrino scattering σ(E) at supernova conditions, normalized spectra of outgoing neutrinos, normalized spectra of neutrino-antineutrino pairs, energy centroid for the spectrum of emitted neutrinos as a function of temperature. 56Fe, 82Ge; calculated ground-state and total GT0 strength distributions, energy centroid for the upward GT0 strength functions as function of temperature. Thermal quasiparticle random-phase approximation combined with the Skyrme energy density functional method (Skyrme-TQRPA). Comparison with results from hybrid approach of shell-model and RPA calculations.

doi: 10.1103/PhysRevC.94.015805
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2016KN02      Phys.Lett. B 754, 288 (2016)

R.Knobel, M.Diwisch, F.Bosch, D.Boutin, L.Chen, C.Dimopoulou, A.Dolinskii, B.Franczak, B.Franzke, H.Geissel, M.Hausmann, C.Kozhuharov, J.Kurcewicz, S.A.Litvinov, G.Martinez-Pinedo, M.Matos, M.Mazzocco, G.Munzenberg, S.Nakajima, C.Nociforo, F.Nolden, T.Ohtsubo, A.Ozawa, Z.Patyk, W.R.Plass, C.Scheidenberger, J.Stadlmann, M.Steck, B.Sun, T.Suzuki, P.M.Walker, H.Weick, M.-R.Wu, M.Winkler, T.Yamaguchi

First direct mass measurements of stored neutron-rich 129, 130, 131Cd isotopes with FRS-ESR

ATOMIC MASSES 129,130,131Cd; measured mean velocity of the stored fragments; deduced mass excess values of cadmium isotopes and uncertainties. Comparison with AME 2012 evaluation.

doi: 10.1016/j.physletb.2016.01.039
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2016MA12      Phys.Rev. C 93, 025805 (2016)

T.Marketin, L.Huther, G.Martinez-Pinedo

Large-scale evaluation of β-decay rates of r-process nuclei with the inclusion of first-forbidden transitions

RADIOACTIVITY Z=8-110, N=11-236, A=19-339(β-); calculated decay rates for Gamow-Teller and first-forbidden transitions, total decay rates, P0n, P1n, P3n, P4n, P5n delayed-neutron emission probabilities, average energies of electrons antineutrinos and photons after decay. Z=47-48, A=114-154; calculated Q(β-). Z=36-43, A=93-117; Z=37-50, N=65-88; Z=24-32, N=50; Z=42-49, N=82; Z=6-73, N=126; 194,195,196Re, 199,200Os, 198,199,201,202Ir, 203,204Pt, 204Au, 211,212,213Tl, 218,219Bi(β-); calculated half-lives for β- decay. Fully self-consistent covariant density functional theory (CDFT) framework with the ground states calculated with relativistic Hartree-Bogoliubov (RHB) model, and excited states within the proton-neutron relativistic quasiparticle random phase approximation (pn-RQRPA). Comparison with experimental Q values and half-lives. Calculated abundances of heavy nuclei, and evolution of neutron-to-seed ratio resulting from hot and cold r-processes using half-lives from the FRDM and the current model. Supplementary file contains theoretical values of half-lives and Pxn for 5409 neutron-rich nuclei.

doi: 10.1103/PhysRevC.93.025805
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2016ME02      Phys.Rev. C 93, 014305 (2016)

J.Menendez, No.Hinohara, J.Engel, G.Martinez-Pinedo, T.R.Rodriguez

Testing the importance of collective correlations in neutrinoless ββ decay

RADIOACTIVITY 42,44,46,48,50,52,54,56,58,60Ca, 44,46,48,50,52,54,56,58Ti, 46,48,50,52,54,56,58,60Cr(2β-); calculated Gamow-Teller part of the 0νββ decay matrix elements, percentage of ground state in daughter nuclei belonging to SU(4) irreducible representations using shell model with KB3G interaction, full collective interaction Hcoll, Hcoll with the quadrupole-quadrupole term removed, Hcoll with the isoscalar pairing term removed, and Hcoll with both the isoscalar-pairing and spin-isospin removed. 48Ca, 76Ge, 82Se, 124Sn, 130Te, 136Xe(2β-); calculated Gamow-Teller matrix elements for 0νββ decay and estimated effect of isoscalar pairing. Role of collective correlations in 0νββ decay. Comparison of GCM calculations for fp shell nuclei with full shell-model calculations.

NUCLEAR STRUCTURE 46,48,50,52,54,56,58,60Cr; calculated B(E2) for first 2+ states using shell model with KB3G interaction, full collective interaction Hcoll, and by Hcoll without the quadrupole-quadrupole part. Comparison with experimental values.

doi: 10.1103/PhysRevC.93.014305
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2016PA04      Phys.Rev. C 93, 014318 (2016)

H.Pai, T.Beck, J.Beller, R.Beyer, M.Bhike, V.Derya, U.Gayer, J.Isaak, Krishichayan, J.Kvasil, B.Loher, V.O.Nesterenko, N.Pietralla, G.Martinez-Pinedo, L.Mertes, V.Yu.Ponomarev, P.-G.Reinhard, A.Repko, P.C.Ries, C.Romig, D.Savran, R.Schwengner, W.Tornow, V.Werner, J.Wilhelmy, A.Zilges, M.Zweidinger

Magnetic dipole excitations of 50Cr

NUCLEAR REACTIONS 50Cr(γ, γ'), (polarized γ, γ'), E<9.7 MeV bremsstrahlung; measured Eγ, Iγ, γ(θ), γ-polarization asymmetry, integrated σ, γ-branching ratios. Experiments performed at Darmstadt S-DALINAC and TUNL High Intensity γ-ray Source (HIγS) facilities. 50Cr; deduced levels, J, π, B(M1), reduced widths, configurations, M1 spin-flip transition. Discussed isovector rotation-like oscillations of 1+ states versus scissors-type mode. Comparison with Skyrme quasiparticle random-phase-approximation (QRPA) and the large-scale shell model (LSSM) calculations.

doi: 10.1103/PhysRevC.93.014318
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2015BE02      Phys.Lett. B 741, 128 (2015)

J.Beller, C.Stumpf, M.Scheck, N.Pietralla, D.Deleanu, D.M.Filipescu, T.Glodariu, W.Haxton, A.Idini, J.H.Kelley, E.Kwan, G.Martinez-Pinedo, R.Raut, C.Romig, R.Roth, G.Rusev, D.Savran, A.P.Tonchev, W.Tornow, J.Wagner, H.R.Weller, N.-V.Zamfir, M.Zweidinger

Separation of the 1+/1- parity doublet in 20Ne

NUCLEAR REACTIONS 20Ne, 28Si(polarized γ, γ'), E=11.26 MeV; measured reaction products, Eγ, Iγ; deduced the energy difference of the parity doublet, the ratio of their integrated σ. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2014.12.018
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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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2015RO07      Phys.Rev. C 91, 044315 (2015)

T.R.Rodriguez, A.Arzhanov, G.Martinez-Pinedo

Toward global beyond-mean-field calculations of nuclear masses and low-energy spectra

NUCLEAR STRUCTURE Z=10-105, N=10-170; calculated shell effects, masses, S(2n), and energies of first 2+ states in even-even nuclei; deduced rms comparison between theoretical calculations and experimental data for total energies, S(2n), and S(2p). 120Cd; calculated potential energy surfaces as a function of the axial quadrupole deformation with HFB, PN-VAP, and PNAMP approximations. 120Cd, 194Po; calculated convergence of the energy as a function of the number of major oscillator shells. Self-consistent mean-field (MF) and beyond-mean-field (BMF) calculations with Gogny D1S and D1M parametrizations. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.044315
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2015SO23      Phys.Rev. C 92, 051305 (2015)

P.-A.Soderstrom, S.Nishimura, Z.Y.Xu, K.Sieja, V.Werner, P.Doornenbal, G.Lorusso, F.Browne, G.Gey, H.S.Jung, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, J.Wu, H.Baba, Zs.Dombradi, S.Franchoo, T.Isobe, P.R.John, Y.-K.Kim, I.Kojouharov, N.Kurz, Y.K.Kwon, Z.Li, I.Matea, K.Matsui, G.Martinez-Pinedo, D.Mengoni, P.Morfouace, D.R.Napoli, M.Niikura, H.Nishibata, A.Odahara, K.Ogawa, N.Pietralla, E.Sahin, H.Sakurai, H.Schaffner, D.Sohler, I.G.Stefan, D.Suzuki, R.Taniuchi, A.Yagi, K.Yoshinaga

Two-hole structure outside 78Ni: Existence of a μs isomer of 76Co and β decay into 76Ni

NUCLEAR REACTIONS 9Be(238U, F), E=345 MeV/nucleon; measured Eγ, Iγ, γγ-coin, βγ(t), half-lives of isomers using BigRIPS separator, WAS3ABi silicon detector stack and EURICA array at RIBF-RIKEN. 76Co, 76Ni; deduced levels, isomers, J, π, configuration, B(E1), B(E2). Comparison with shell-model calculation using LNPS interaction.

RADIOACTIVITY 76Co(β-)[16-ms and 21.7-ms activities from 9Be(238U, F), E=345 MeV/nucleon]; measured Eγ, Iγ, γγ-coin, βγ(t), half-lives of isomers using BigRIPS separator, WAS3ABi silicon detector stack and EURICA array at RIBF-RIKEN. 76Ni; deduced levels, isomers, J, π, configuration. Comparison with shell-model calculation using LNPS interaction.

doi: 10.1103/PhysRevC.92.051305
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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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2014MA04      J.Phys.(London) G41, 044008 (2014)

G.Martinez-Pinedo, T.Fischer, L.Huther

Supernova neutrinos and nucleosynthesis

doi: 10.1088/0954-3899/41/4/044008
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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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2014ME11      Phys.Rev. C 90, 024311 (2014)

J.Menendez, T.R.Rodriguez, G.Martinez-Pinedo, A.Poves

Correlations and neutrinoless ββ decay nuclear matrix elements of pf-shell nuclei

RADIOACTIVITY 42,44,46,48,50,52,54,56Ca, 44,46,48,50,52,54,56,58Ti, 46,48,50,52,54,56,58,60Cr(2β-); calculated Fermi and Gamow-Teller parts of nuclear matrix elements (NMEs) for 0νββ decay mode, particle-number and angular-momentum projected (J=0) potential energy surfaces and ground-state collective wave functions. Shell model and energy density functional methods.

doi: 10.1103/PhysRevC.90.024311
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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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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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2012BE38      J.Phys.:Conf.Ser. 337, 012070 (2012)

J.Benlliure, H.Alvarez-Pol, T.Kurtukian-Nieto, A.I.Morales, L.Audouin, F.Becker, B.Blank, I.Borzov, E.Casarejos, D.Cortina-Gil, B.Fernandez, J.Giovinazzo, D.Henzlova, B.Jurado, L.Langanke, G.Martinez-Pinedo, P.Napolitani, J.Pereira, F.Rejmund, K.-H.Schmidt, O.Yordanov, for the RISING Collaboration

Approaching r-process nuclei at N = 126

RADIOACTIVITY 194,195,196Re, 199,200Os, 198,201,202Ir, 203,204Pt, 204Au(β-); measured Iβ(t) using DSSSD; deduced T1/2; calculated T1/2 using Gross theory, FR droplet model and energy-density functional.

doi: 10.1088/1742-6596/337/1/012070
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2012BR08      Phys.Rev. C 85, 055805 (2012)

E.Bravo, G.Martinez-Pinedo

Sensitivity study of explosive nucleosynthesis in type Ia supernovae: Modification of individual thermonuclear reaction rates

NUCLEAR REACTIONS 12C(12C, X), 16O(16O, X), 28Si(α, γ), (p, γ), (α, p), 29Si(α, n), (p, γ), 27Al, 29P, 30P, 32S(α, p), 33S(α, n), E not given; calculated yields and nuclear reaction rates affecting isotopic products of type Ia supernova. Total reaction network of 722 nuclei from free neutron to 101In linked by three fusion reactions (3α, 12C+12C, 16O+16O), β- and β+ decays, 12 reactions ((n, γ), (n, p), (n, α), (p, γ), (p, n), (p, α), (α, γ), (α, n), (α, p), (γ, n), (γ, p), (γ, α)) for each nucleus with Z=6-30. A total of 3138 reactions considered in the reaction network equations for the integration of the thermodynamic trajectories in supernova Ia model. Individual reactions rates that most strongly affect the isotopic products of these supernovae. Standard one-dimensional delayed detonation model of the explosion of a Chandrasekhar-mass white dwarf.

doi: 10.1103/PhysRevC.85.055805
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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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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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2012MA16      Phys.Rev. C 85, 054313 (2012)

T.Marketin, G.Martinez-Pinedo, N.Paar, D.Vretenar

Role of momentum transfer in the quenching of Gamow-Teller strength

NUCLEAR REACTIONS 90Zr(p, n), (n, p), E=300 MeV; analyzed differential cross section data; deduced pn-RQRPA strengths in β- and β+ channels obtained with the Gamow-Teller (GT) operator, GT+IVSM operator, and full L=0 operator, momentum transfer. Relativistic Hartree-Bogoliubov model. Comparison with Ikeda sum rule.

NUCLEAR STRUCTURE 48Ca, 90Zr, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150Sn, 208Pb; analyzed L=0 β- strength functions, GT and IVSM centroids using Relativistic Hartree-Bogoliubov (RHB) plus proton-neutron relativistic quasiparticle random-phase approximation (pn-RQRPA) with GT operator, the GT plus isovector spin monopole (IVSM) mode term, and the operator that contains the full momentum-transfer dependence.

doi: 10.1103/PhysRevC.85.054313
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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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2012RO11      Phys.Rev. C 85, 044310 (2012)

T.R.Rodriguez, G.Martinez-Pinedo

Calculation of nuclear matrix elements in neutrinoless double electron capture

NUCLEAR STRUCTURE 152Gd, 152Sm, 164Er, 164Dy, 180W, 180Hf; calculated binding energies, rms charge radii, level energies and B(E2) for first 2+ states, collective wave functions, pairing energies, single-particle energies as function of deformation. Gogny D1S and D1M parameterization. Comparison with experimental data.

RADIOACTIVITY 152Gd, 164Er, 180W(2EC); calculated nuclear matrix elements, T1/2, intensity contours of Gamow-Teller part of the 0νECEC NME. Advanced energy density functional method. Gogny D1S and D1M parameterization.

doi: 10.1103/PhysRevC.85.044310
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2012SH25      Phys.Rev. C 86, 024312 (2012); Erratum Phys.Rev. C 88, 059901 (2013)

Y.Shimbara, Y.Fujita, T.Adachi, G.P.A.Berg, H.Fujimura, H.Fujita, K.Fujita, K.Hara, K.Y.Hara, K.Hatanaka, J.Kamiya, K.Katori, T.Kawabata, K.Nakanishi, G.Martinez-Pinedo, N.Sakamoto, Y.Sakemi, Y.Shimizu, Y.Tameshige, M.Uchida, M.Yoshifuku, M.Yosoi

High-resolution study of Gamow-Teller transitions with the 37Cl(3He, T)37Ar reaction

NUCLEAR REACTIONS 37Cl(3He, t)37Ar, E=140 MeV/nucleon; measured E(t), I(t), σ, σ(θ) using Grand Raiden spectrometer at RCNP facility. 37Ar; deduced levels, L-transfer, J, π, B(GT) strengths. Comparison with levels, J, π and B(GT) in mirror nucleus 37K from 37Ca decay, and shell model calculations. 8B; deduced neutrino absorption cross sections for solar neutrino source using neutrino spectra from three different measurements and B(GT) values from 37Cl(3He, t) reaction.

doi: 10.1103/PhysRevC.86.024312
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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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2011AR04      Phys.Rev. C 83, 045809 (2011)

A.Arcones, G.Martinez-Pinedo

Dynamical r-process studies within the neutrino-driven wind scenario and its sensitivity to the nuclear physics input

doi: 10.1103/PhysRevC.83.045809
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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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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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2010AR08      J.Phys.:Conf.Ser. 202, 012007 (2010)

A.Arcones, G.Martinez-Pinedo

Nucleosynthesis in neutrino-driven winds: Influence of the nuclear physics input

doi: 10.1088/1742-6596/202/1/012007
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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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2010PA41      Astron.Astrophys. 513, A61 (2010)

I.V.Panov, I.Yu.Korneev, T.Rauscher, G.Martínez-Pinedo, A.Kelic-Heil, N.T.Zinner, F.-K.Thielemann

Neutron-induced astrophysical reaction rates for translead nuclei

NUCLEAR REACTIONS 235,236,238U, 237Np, 238,239,240,241,242Pu(n, F), (n, γ), E<1 MeV; calculated astrophysical reaction rates. Comparison with JENDL-3.3 library.

doi: 10.1051/0004-6361/200911967
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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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2010RO28      Phys.Rev.Lett. 105, 252503 (2010)

T.R.Rodriguez, G.Martinez-Pinedo

Energy Density Functional Study of Nuclear Matrix Elements for Neutrinoless ββ Decay

RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 124Sn, 128,130Te, 136Xe, 150Nd(2β-); calculated T1/2, 0ν nuclear matrix elements. Gogny D1S functional.

doi: 10.1103/PhysRevLett.105.252503
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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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2009CA02      Phys.Rev. C 79, 011301 (2009)

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

Spherical proton-neutron structure of isomeric states in 128Cd

NUCLEAR REACTIONS 9Be(136Xe, X)128Cd, E=750 MeV/nucleon; 9Be(238U, X)128Cd, E=650 MeV/nucleon; measured Eγ, Iγ, (particle)γ-, γγ-coin, half-lives, internal conversion coefficients. 128Cd; deduced levels, J, π. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevC.79.011301
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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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2009MA31      Phys.Lett. B 677, 255 (2009)

M.Madurga, M.J.G.Borge, M.Alcorta, L.M.Fraile, H.O.U.Fynbo, B.Jonson, O.Kirsebom, G.Martinez-Pinedo, T.Nilsson, G.Nyman, A.Perea, A.Poves, K.Riisager, O.Tengblad, E.Tengborn, J.Van der Walle

Evidence of a new state in 11Be observed in the 11Li β-decay

RADIOACTIVITY 11Li(β-) [from Ta(p, X), E=1.4 GeV]; measured Eβ, Iβ, Eα, Iα, (charged-particle)(charged-particle)-coin in a kinematically complete experiment; deduced B(GT). 11Be; deduced level energy, J, π using Monte Carlo. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2009.05.050
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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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2009SI32      Phys.Rev. C 80, 054311 (2009)

K.Sieja, G.Martinez-Pinedo, L.Coquard, N.Pietralla

Description of proton-neutron mixed-symmetry states near 132Sn within a realistic large scale shell model

NUCLEAR STRUCTURE 132Te, 134Xe, 136Ba, 138Ce, 140Nd; calculated levels, J, π, E2 and M1 transition probabilities, magnetic moments, mixed-symmetry 2+ states, and configurations using large-scale shell-model with GCN5082 interaction and its modified version. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.054311
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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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2008MA10      J.Phys.(London) G35, 014057 (2008)

G.Martinez-Pinedo

Nuclear physics aspects of supernovae evolution and nucleosynthesis

doi: 10.1088/0954-3899/35/1/014057
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2008MA28      Nucl.Phys. A805, 478c (2008)

G.Martinez-Pinedo

Weak Interaction processes in core-collapse supernova

NUCLEAR REACTIONS 50Ti, 52Cr, 54Fe(ν, ν'), E=5-40 MeV; calculated inelastic σ from M1 data, comparison with shell model.

doi: 10.1016/j.nuclphysa.2008.02.269
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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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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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2006JE03      Phys.Rev. C 73, 065802 (2006)

D.G.Jenkins, A.Meadowcroft, C.J.Lister, M.P.Carpenter, P.Chowdhury, N.J.Hammond, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, D.Seweryniak, T.Davinson, P.J.Woods, A.Jokinen, H.Penttila, G.Martinez-Pinedo, J.Jose

Reevaluation of the 30P(p, γ)31S astrophysical reaction rate from a study of the T = 1/2 mirror nuclei, 31S and 31P

NUCLEAR REACTIONS 12C(20Ne, p), (20Ne, n), E=32 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 31S, 31P deduced high-spin levels, J, π. 31P(p, γ), E=low; deduced proton widths and resonance strengths, astrophysical reaction rates. Gammasphere array, fragment mass analyzer.

doi: 10.1103/PhysRevC.73.065802
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2006JE06      Eur.Phys.J. A 27, Supplement 1, 117 (2006)

D.G.Jenkins, C.J.Lister, R.V.F.Janssens, T.L.Khoo, E.F.Moore, K.E.Rehm, D.Seweryniak, A.H.Wuosmaa, T.Davinson, P.J.Woods, A.Jokinen, H.Penttila, G.Martinez-Pinedo, J.Jose

Re-evaluating reaction rates relevant to nova nucleosynthesis from a nuclear structure perspective

NUCLEAR REACTIONS 12C(12C, p), (12C, n), (12C, α), E=22 MeV; 12C(20Ne, n), (20Ne, p), E=32 MeV; measured Eγ, Iγ, γγ-coin. 23Mg levels deduced J, π. 31P, 31S deduced transitions. 22Na(p, γ), E=low; calculated astrophysical reaction rate, resonance contributions. Gammasphere array.

doi: 10.1140/epja/i2006-08-016-7
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2006MA95      Nucl.Phys. A777, 395 (2006)

G.Martinez-Pinedo, M.Liebendorfer, D.Frekers

Nuclear input for core-collapse models

doi: 10.1016/j.nuclphysa.2006.02.014
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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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2005CA39      Rev.Mod.Phys. 77, 427 (2005)

E.Caurier, G.Martinez-Pinedo, F.Nowacki, A.Poves, A.P.Zuker

The shell model as a unified view of nuclear structure

doi: 10.1103/RevModPhys.77.427
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2005FR25      Nucl.Phys. A758, 27c (2005)

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

The Innermost Ejecta of Core Collapse Supernovae

doi: 10.1016/j.nuclphysa.2005.05.009
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2005GA20      Phys.Lett. B 619, 88 (2005)

A.Gadea, S.M.Lenzi, D.R.Napoli, M.Axiotis, C.A.Ur, G.Martinez-Pinedo, M.Gorska, E.Roeckl, E.Caurier, F.Nowacki, G.De Angelis, L.Batist, R.Borcea, F.Brandolini, D.Cano-Ott, J.Doring, C.Fahlander, E.Farnea, H.Grawe, M.Hellstrom, Z.Janas, R.Kirchner, M.La Commara, C.Mazzocchi, E.Nacher, C.Plettner, A.Plochocki, B.Rubio, K.Schmidt, R.Schwengner, J.L.Tain, J.Zylicz

Hindered E4 decay of the 12+ yrast trap in 52Fe

RADIOACTIVITY 52Fe(IT) [from Si(36Ar, X)]; measured Eγ, Iγ, γγ-coin. 52Fe deduced levels, J, π, T1/2, B(E4), yrast trap. Comparison with shell model predictions.

doi: 10.1016/j.physletb.2005.05.073
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