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NSR database version of May 10, 2024.

Search: Author = C.Droese

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2022KA45      Phys.Rev. C 106, 054325 (2022)

O.Kaleja, B.Andjelic, O.Bezrodnova, K.Blaum, M.Block, S.Chenmarev, P.Chhetri, C.Droese, Ch.E.Dullmann, M.Eibach, S.Eliseev, J.Even, P.Filianin, F.Giacoppo, S.Gotz, Yu.Gusev, M.J.Gutierrez, F.P.Hessberger, N.Kalantar-Nayestanaki, J.J.W.van de Laar, M.Laatiaoui, S.Lohse, N.Martynova, E.Minaya Ramirez, A.K.Mistry, T.Murbock, Yu.Novikov, S.Raeder, D.Rodriguez, F.Schneider, L.Schweikhard, P.G.Thirolf, A.Yakushev

Direct high-precision mass spectrometry of superheavy elements with SHIPTRAP

ATOMIC MASSES 251,254No, 254,255,256Lr, 257Rf; measured cyclotron frequency; deduced mass excesses, two-neutron shell gap. Comparison to AME2020. Phase-imaging ion-cyclotron resonance mass spectrometry (PI-ICR MS) at SHIPTRAP setup. Isotopes produced in following reactions 206Pb(48Ca, 3n)251No, E=4.8 MeV/nucleon, 208Pb(48Ca, 2n)254No, E=4.56 MeV/nucleon, 209Bi(48Ca, 3n)254Lr, E=4.81 MeV/nucleon, 209Bi(48Ca, 2n)255Lr, E=4.56 MeV/nucleon, 209Bi(48Ca, n)256Lr, E=4.5 MeV/nucleon, 208Pb(50Ti, n)257Rf, E=4.65 MeV/nucleon at GSI Darmstadt.

RADIOACTIVITY 258Db, 254Lr(α); deduced Q values. Comparison to other experimental data.

doi: 10.1103/PhysRevC.106.054325
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2019MI08      Nucl.Phys. A987, 337 (2019)

A.K.Mistry, J.Khuyagbaatar, F.P.Hessberger, D.Ackermann, B.Andel, S.Antalic, M.Block, P.Chhetri, F.Dechery, C.Droese, Ch.E.Dullmann, F.Giacoppo, J.Hoffmann, O.Kaleja, N.Kurz, M.Laatiaoui, L.Lens, J.Maurer, P.Mosat, J.Piot, S.Raeder, M.Vostinar, A.Yakushev, Z.Zhang

The 48Ca+181Ta reaction: Cross section studies and investigation of neutron-deficient 86 ≤ Z ≤ 93 isotopes

NUCLEAR REACTIONS 181Ta(48Ca, x)229Np, E(cm)=212, 217, 226 MeV[energies based on σ predictions by the HIVAP code]; measured xn, αxn, pxn leading to 225Np, 225U, 224Np, Evaporation Residues (ER) separated from 48Ca primary beam using the SHIP velocity filter at GSI, ToF and COMPAct Spectroscopy Set-up (COMPASS) comprising of DSSDs and SSSDs; deduced 225U, 225,226,229Np decay chains; 213Rn, 213,214,215Fr, 217,218,219Ac, 221Th, 221,222,223Pa, 225U, 225,226Np; deduced decay data, T1/2; compared with literature values; compiled production σ maxima in 3n and 4n evaporation channels from compound nuclei with Z=83-94 and projectiles 40Ar, 40,44,48Ca, 50Ti using published experimental data.

doi: 10.1016/j.nuclphysa.2019.05.003
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8010. Data from this article have been entered in the XUNDL database. For more information, click here.


2019VO03      Eur.Phys.J. A 55, 17 (2019)

M.Vostinar, F.P.Hessberger, D.Ackermann, B.Andel, S.Antalic, M.Block, Ch.Droese, J.Even, S.Heinz, Z.Kalaninova, I.Kojouharov, M.Laatiaoui, A.K.Mistry, J.Piot, H.Savajols

Alpha-gamma decay studies of 258Db and its (grand)daughter nuclei 254Lr and 250Md

NUCLEAR REACTIONS 209Bi(50Ti, n)258Db, E=236 MeV; measured (after separation of evaporation residues with kinetic energy 50 MeV by the SHIP velocity filter) emitted particles using position sensitive Si strip detector, six SSSDs arranged in a box surrounding the stop detector, Eγ, Iγ, X-rays using HPGe clover detector, subsequent α-decay and SF events, T1/2 using time difference between evaporation residues implantation and subsequent α-decay of the isotopes, 258Db α-decays αγ-coin, αX-rays coin; deduced α, γ transitions, levels, J, π. 250Md, 254Lr, 254No; deduced α-decays, levels, γ transitions, Qα systematics for 250Md. 254Lr, 258Db; deduced levels, J, π, possible single-particle states configurations.

doi: 10.1140/epja/i2019-12701-y
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2018AC08      Nucl.Instrum.Methods Phys.Res. A907, 81 (2018)

D.Ackermann, A.K.Mistry, F.P.Hessberger, B.Andel, S.Antalic, M.Block, L.Caceres, P.Chhetri, F.Dechery, Ch.Droese, Ch.E.Dullmann, F.Giacoppo, J.Hoffmann, O.Kaleja, O.Kamalou, N.Kurz, J.Khuyagbaatar, R.R.Mandl, T.Murbock, M.Laatiaoui, J.Maurer, P.Mosat, J.Piot, S.Raeder, H.Savajols, O.Sorlin, Ch.Stodel, J.C.Thomas, M.Vostinar, P.Wieczorek, A.Yakushev, Z.Zhang

COMPASS-A COMPAct decay spectroscopy set-up

RADIOACTIVITY 253No(α) [from 207Pb(48Ca, 2n), E not given]; measured decay products, Eγ, Iγ, Eα, Iα, α-γ-coin.; deduced α-decay spectrum, branching ratios.

doi: 10.1016/j.nima.2018.01.096
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018MI11      Acta Phys.Pol. B49, 613 (2018)

A.K.Mistry, Z.Zhang, F.P.Hessberger, D.Ackermann, B.Andel, S.Antalic, M.Block, P.Chhetri, F.Dechery, C.Droese, Ch.E.Dullmann, F.Giacoppo, J.Hoffmann, O.Kaleja, J.Khuyagbaatar, N.Kurz, M.Laatiaoui, J.Maurer, P.Mosat, J.Piot, S.Raeder, M.Vostinar, A.Yakushev

Decay Spectroscopy of Heavy Isotopes at SHIP Using the COMPASS Focal Plane Detection Set-up

RADIOACTIVITY 250Fm, 254No(α)[Nobelium from 48Ca(208Pb, 2n), E=4.55 MeV/nucleon]; measured Eα, Iα(time), αα-coin; deduced α-decay energy spectrum, Iα vs time, T1/2, αFmαNo correlation, T1/2. 222Th, 218Ra, 214Rn(α)[from α-decays 230Pu to 226U to 232Th to218Ra to 214Rn]; measured α-decay trace 222Th to 218Ra to n, Eα, Iα(time), αα-coin, αα-correlations; deduced summary of α-decay chains starting with 227U, 229Np, 229,230Pu using also literature references.

doi: 10.5506/aphyspolb.49.613
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2017GI07      Acta Phys.Pol. B48, 423 (2017)

F.Giacoppo, K.Blaum, M.Block, P.Chhetri, Ch.E.Dullmann, C.Droese, S.Eliseev, P.Filianin, S.Gotz, Y.Gusev, F.Herfurth, F.P.Hessberger, O.Kaleja, J.Khuyagbaatar, M.Laatiaoui, F.Lautenschlager, C.Lorenz, G.Marx, E.Minaya Ramirez, A.Mistry, Yu.N.Novikov, W.R.Plass, S.Raeder, D.Rodriguez, D.Rudolph, L.G.Sarmiento, C.Scheidenberger, L.Schweikhard, P.Thirolf, A.Yakushev

Recent Upgrades of the SHIPTRAP Setup: On the Finish Line Towards Direct Mass Spectroscopy of Superheavy Elements

doi: 10.5506/APhysPolB.48.423
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2017LO13      Phys.Rev. C 96, 034315 (2017)

Ch.Lorenz, L.G.Sarmiento, D.Rudolph, D.E.Ward, M.Block, F.P.Hessberger, D.Ackermann, L.-L.Andersson, M.L.Cortes, C.Droese, M.Dworschak, M.Eibach, U.Forsberg, P.Golubev, R.Hoischen, I.Kojouharov, J.Khuyagbaatar, D.Nesterenko, I.Ragnarsson, H.Schaffner, L.Schweikhard, S.Stolze, J.Wenzl

Quantum-state-selective decay spectroscopy of 213Ra

RADIOACTIVITY 213Ra(α), (EC), (β+)[from 170Er(48Ca, 5n), E=4.30 MeV/nucleon using velocity filter SHIP and SHIPTRAP Penning trap at GSI UNILAC facility]; 209Rn(α), (EC), (β+)[from 213Ra α decay]; 213Fr(α), (EC), (β+)[from 213Ra EC decay]; 209At(α), (EC), (β+)[from 209Rn EC decay]; measured Eα, Iα, Eγ, Iγ, αγ-coin, (x ray)α-coin, α and EC+β+ branching ratios using TASISpec setup at GSI. GEANT4 simulations. 209Rn; deduced levels, α feedings, γ-ray branching ratios, multipolarity. Comparison with evaluated data, and Nilsson-Strutinsky and shell-model calculations. 209Rn; calculated levels, J, π using shell model with pbpop interaction, total energy surface in (ϵ2, ϵ4) plane, and compared with experimental data, and other theoretical calculations.

doi: 10.1103/PhysRevC.96.034315
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2014NE15      Phys.Rev. C 90, 042501 (2014)

D.A.Nesterenko, S.Eliseev, K.Blaum, M.Block, S.Chenmarev, A.Dorr, C.Droese, P.E.Filianin, M.Goncharov, E.Minaya Ramirez, Yu.N.Novikov, L.Schweikhard, V.V.Simon

Direct determination of the atomic mass difference of 187Re and 187Os for neutrino physics and cosmochronology

ATOMIC MASSES 187Re, 187Os; measured cyclotron-frequency ratio of 187Re and 187Os ions, mass difference using Penning-trap mass spectrometer SUIPTRAP at GSI facility; deduced Q value for 187Re decay. Comparison with previous experimental results. Possibility of electron capture by 187Os ions in hot stellar conditions.

RADIOACTIVITY 187Re(β-); measured precise Q value from mass difference of 187Re and 187Os ions using SHIPTRAP at GSI. Comparison with other results. Relevance to cosmochronology.

doi: 10.1103/PhysRevC.90.042501
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2013DR04      Eur.Phys.J. A 49, 13 (2013)

C.Droese, D.Ackermann, L.-L.Andersson, K.Blaum, M.Block, M.Dworschak, M.Eibach, S.Eliseev, U.Forsberg, E.Haettner, F.Herfurth, F.P.Hessberger, S.Hofmann, J.Ketelaer, G.Marx, E.Minaya Ramirez, D.Nesterenko, Yu.N.Novikov, W.R.Plass, D.Rodriguez, D.Rudolph, C.Scheidenberger, L.Schweikhard, S.Stolze, P.G.Thirolf, C.Weber

High-precision mass measurements of 203-207Rn and 213Ra with SHIPTRAP

NUCLEAR REACTIONS Dy(48Ca, 204Rn), (48Ca, 205Rn), (48Ca, 206Rn), (48Ca, 207Rn), E=4.4 MeV/nucleon;170Er(48Ca, 213Ra), E=4.4 MeV;170Er(40Ar, 203Rn), (40Ar, 204Rn), (40Ar, 205Rn), E=4.7 MeV/nucleon;160Gd(50Ti, 204Rn), (40Ar, 205Rn), (40Ar, 206Rn), E=4.55 MeV/nucleon; measured evaporation residues, frequency ratio using tandem Penning trap spectrometer SHIPTRAP; deduced σ, mass excess, 2n separation energy; calculated σ using statistical model code HIVAP. Compared with AME; 2n separation energy compared with trends for Pb, Po, Rn, Ra.

ATOMIC MASSES 203,204,205,206,207Rn, 213Ra; measured frequency ratio, number of resonances; deduced mass. Compared with AME 2003.

doi: 10.1140/epja/i2013-13013-0
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2013EL01      Phys.Rev.Lett. 110, 082501 (2013)

S.Eliseev, K.Blaum, M.Block, C.Droese, M.Goncharov, E.Minaya Ramirez, D.A.Nesterenko, Yu.N.Novikov, L.Schweikhard

Phase-Imaging Ion-Cyclotron-Resonance Measurements for Short-Lived Nuclides

ATOMIC MASSES 129,130Xe; measured cyclotron frequency via the projection of the ion motion; deduced mass difference for xenon nuclei. Phase-imaging ion-cyclotron-resonance technique.

doi: 10.1103/PhysRevLett.110.082501
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2013RO19      Eur.Phys.J. D 67, 146 (2013)

C.Roux, K.Blaum, M.Block, C.Droese, S.Eliseev, M.Goncharov, F.Herfurth, E.Minaya Ramirez, D.A.Nesterenko, Y.N.Novikov, L.Schweikhard

Data analysis of Q-value measurements for double-electron capture with SHIPTRAP

RADIOACTIVITY 152Gd(2EC); measured cyclotron frequency ratio; deduced Q-value. Comparison with available data.

doi: 10.1140/epjd/e2013-40110-x
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2012DR01      Nucl.Phys. A875, 1 (2012)

C.Droese, K.Blaum, M.Block, S.Eliseev, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, I.I.Tupitsyn, S.Wycech, K.Zuber, N.A.Zubova

Probing the nuclide 180W for neutrinoless double-electron capture exploration

RADIOACTIVITY 180W(2EC); measured cyclotron frequency using Penning trap mass ratios using SHIPTRAP; deduced Q value, T1/2.

ATOMIC MASSES 180Hf, 180W; measured cyclotron frequency ratios using SHIPTRAP Penning trap; deduced Q.

doi: 10.1016/j.nuclphysa.2011.11.008
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2012MI27      Science 337, 1207 (2012)

E.Minaya-Ramirez, D.Ackermann, K.Blaum, M.Block, C.Droese, C.E.Dullmann, M.Dworschak, M.Eibach, S.Eliseev, E.Haettner, F.Herfurth, F.P.Hessberger, S.Hofmann, J.Ketelaer, G.Marx, M.Mazzocco, D.Nesterenko, Y.N.Novikov, W.R.Plass, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, C.Weber

Direct Mapping of Nuclear Shell Effects in the Heaviest Elements

ATOMIC MASSES 252,253,254,255No, 255,256Lr; measured time-of-flight ion-cyclotron-resonance; deduced frequency ratios, mass excess. Comparison with theoretical calculations, SHIPTRAP results.

doi: 10.1126/science.1225636
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2012NE10      Phys.Rev. C 86, 044313 (2012)

D.A.Nesterenko, K.Blaum, M.Block, C.Droese, S.Eliseev, F.Herfurth, E.Minaya Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, M.V.Smirnov, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Double-β transformations in isobaric triplets with mass numbers A=124, 130, and 136

ATOMIC MASSES 124Sn, 124Xe, 124Te, 130Te, 130Xe, 130Ba, 136Ce; measured time-of-flight ion cyclotron resonances, cyclotron frequencies ratios of 130Xe to 130Ba and 130Te, 124Te to 124Xe and 124Sn, 136Ba to 136Ce using Penning-trap mass spectrometer SHIPTRAP. Isobaric mass triplets.

RADIOACTIVITY 124Xe, 130Ba, 136Ce(2EC); measured masses, deduced Q values.

doi: 10.1103/PhysRevC.86.044313
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2011EL02      Phys.Rev.Lett. 106, 052504 (2011)

S.Eliseev, C.Roux, K.Blaum, M.Block, C.Droese, F.Herfurth, H.-J.Kluge, M.I.Krivoruchenko, Yu.N.Novikov, E.Minaya-Ramirez, L.Schweikhard, V.M.Shabaev, F.Simkovic, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Resonant Enhancement of Neutrinoless Double-Electron Capture in 152Gd

ATOMIC MASSES 152Gd, 152Sm; measured cyclotron frequency ratio, TOF; deduced Q-value for double beta decay. Penning-trap mass ratio.

doi: 10.1103/PhysRevLett.106.052504
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2011EL04      Phys.Rev. C 83, 038501 (2011)

S.Eliseev, D.Nesterenko, K.Blaum, M.Block, C.Droese, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, K.Zuber

Q values for neutrinoless double-electron capture in 96Ru, 162Er, and 168Yb

RADIOACTIVITY 96Ru, 162Er, 168Yb(2EC); measured Q values from Penning-trap mass ratios using SHIPTRAP. Absence of resonant enhancement of the capture rates, thus excluded as suitable candidates for search of neutrinoless double-electron capture.

ATOMIC MASSES 96Ru, 96Mo, 162Er, 162Dy, 168Yb, 168Er; measured cyclotron frequency ratios using SHIPTRAP Penning-trap; deduced Q(2EC) values.

doi: 10.1103/PhysRevC.83.038501
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2011EL05      Phys.Rev. C 84, 012501 (2011)

S.Eliseev, M.Goncharov, K.Blaum, M.Block, C.Droese, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Multiple-resonance phenomenon in neutrinoless double-electron capture

ATOMIC MASSES 156Dy, 156Gd; measured cyclotron frequency ratio, TOF; deduced Q-value for double electron capture. SHIPTRAP Penning-trap mass spectrometer. Comparison with AME-2003.

RADIOACTIVITY 156Dy(2EC); calculated electron wave functions, double-electron-hole binding energy; deduced resonant enhancement factor for the probability of neutrinoless double-electron capture. Estimated partial half-life. Dirac-Fock method, Fermi model.

doi: 10.1103/PhysRevC.84.012501
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2011EL08      Phys.Rev.Lett. 107, 152501 (2011)

S.Eliseev, C.Roux, K.Blaum, M.Block, C.Droese, F.Herfurth, M.Kretzschmar, M.I.Krivoruchenko, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, F.Simkovic, I.I.Tupitsyn, K.Zuber, N.A.Zubova

Octupolar-Excitation Penning-Trap Mass Spectrometry for Q-Value Measurement of Double-Electron Capture in 164Er

ATOMIC MASSES 164Er, 164Dy; measured relative frequency deviations; deduced doublet mass ratio, Q-value. Penning trap.

doi: 10.1103/PhysRevLett.107.152501
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2011GO23      Phys.Rev. C 84, 028501 (2011)

M.Goncharov, K.Blaum, M.Block, C.Droese, S.Eliseev, F.Herfurth, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, K.Zuber

Probing the nuclides 102Pd, 106Cd, and 144Sm for resonant neutrinoless double-electron capture

ATOMIC MASSES 102Pd, 102Ru, 106Cd, 106Pd, 144Sm, 144Nd; measured cyclotron-frequency-ratios of singly-charged ion pairs using the Penning-trap mass spectrometer SHIPTRAP at GSI. Deduced Q values for double ϵ capture decay. Comparison with AME-2003.

RADIOACTIVITY 102Pd, 106Cd, 144Sm(2EC); measured Q values from mass measurement of parent-daughter pairs by Penning-trap method. Deduced parameters for neutrinoless double-electron capture measurements.

doi: 10.1103/PhysRevC.84.028501
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2011KE03      Phys.Rev. C 84, 014311 (2011)

J.Ketelaer, G.Audi, T.Beyer, K.Blaum, M.Block, R.B.Cakirli, R.F.Casten, C.Droese, M.Dworschak, K.Eberhardt, M.Eibach, F.Herfurth, E.Minaya-Ramirez, Sz.Nagy, D.Neidherr, W.Nortershauser, C.Smorra, M.Wang

Mass measurements on stable nuclides in the rare-earth region with the Penning-trap mass spectrometer TRIGA-TRAP

ATOMIC MASSES 153Eu, 152,154,155,156,157,158,160Gd, 175,176Lu, 176,177,178,179,180Hf; measured masses using TOF-ICR technique and TRIGA-TRAP Penning-trap mass spectrometer; deduced δVpn values; evaluated mass excesses.

doi: 10.1103/PhysRevC.84.014311
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2010BL03      Hyperfine Interactions 196, 225 (2010)

M.Block, D.Ackermann, K.Blaum, C.Droese, M.Dworschak, M.Eibach, S.Eliseev, T.Fleckenstein, E.Haettner, F.Herfurth, F.P.Hessberger, S.Hofmann, J.Ketelaer, J.Ketter, H.-J.Kluge, G.Marx, M.Mazzocco, Yu.N.Novikov, W.R.Plass, A.Popeko, S.Rahaman, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, G.K.Vorobyev, C.Weber

Penning trap mass measurements of transfermium elements with SHIPTRAP

ATOMIC MASSES 252,253,254No; measured cyclotron resonance curves; deduced masses.

doi: 10.1007/s10751-010-0161-z
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2010BL04      Nature(London) 463, 785 (2010)

M.Block, D.Ackermann, K.Blaum, C.Droese, M.Dworschak, S.Eliseev, T.Fleckenstein, E.Haettner, F.Herfurth, F.P.Hessberger, S.Hofmann, J.Ketelaer, J.Ketter, H.-J.Kluge, G.Marx, M.Mazzocco, Yu.N.Novikov, W.R.Plass, A.Popeko, S.Rahaman, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, G.K.Vorobyev, C.Weber

Direct mass measurements above uranium bridge the gap to the island of stability

ATOMIC MASSES 252,253,254No; measured masses by Penning-trap method at GSI, using 133Cs as standard.

doi: 10.1038/nature08774
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2010DW01      Phys.Rev. C 81, 064312 (2010)

M.Dworschak, M.Block, D.Ackermann, G.Audi, K.Blaum, C.Droese, S.Eliseev, T.Fleckenstein, E.Haettner, F.Herfurth, F.P.Hessberger, S.Hofmann, J.Ketelaer, J.Ketter, H.-J.Kluge, G.Marx, M.Mazzocco, Yu.N.Novikov, W.R.Plass, A.Popeko, S.Rahaman, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, G.K.Vorobyev, M.Wang, C.Weber

Penning trap mass measurements on nobelium isotopes

ATOMIC MASSES 252,253,254No; measured cyclotron frequencies using SHIPTRAP Penning-trap system; deduced mean frequency ratios and mass excesses. Comparison with AME2003 and re-evaluation.

ATOMIC MASSES 232U, 236,238Pu, 240,241,242Cm, 244,245,246Cf, 248,249,250Fm, 252,253,254No, 256,257,258Rf, 260,261,262Sg, 264,265,266Hs, 268,269,270Ds; compiled and evaluated mass excesses.

NUCLEAR REACTIONS 206,207,208Pb(48Ca, 2n)252No/253No/254No, E=4.55 MeV/nucleon; measured production σ.

doi: 10.1103/PhysRevC.81.064312
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