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NSR database version of April 25, 2024.

Search: Author = M.Dworschak

Found 13 matches.

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

doi: 10.1140/epja/i2013-13013-0
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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 ^{252,253,254,255}No, ^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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2011HE10      Eur.Phys.J. A 47, 75 (2011)

F.Herfurth, G.Audi, D.Beck, K.Blaum, G.Bollen, P.Delahaye, M.Dworschak, S.George, C.Guenaut, A.Kellerbauer, D.Lunney, M.Mukherjee, S.Rahaman, S.Schwarz, L.Schweikhard, C.Weber, C.Yazidjian

New mass data for the rp-process above Z = 32

ATOMIC MASSES ^{70,71,72,73,74}Se, ^72,73,74,75Br; measured mass excess from Zr(p, X), E=1.4 GeV using thick target with ISOLTRAP.

doi: 10.1140/epja/i2011-11075-6
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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, ^{152,154,155,156,157,158,160}Gd, ^175,176Lu, ^{176,177,178,179,180}Hf; measured masses using TOF-ICR technique and TRIGA-TRAP Penning-trap mass spectrometer; deduced δV_pn 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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2010BR02      Phys.Rev. C 81, 034313 (2010)

M.Breitenfeldt, Ch.Borgmann, G.Audi, S.Baruah, D.Beck, K.Blaum, Ch.Bohm, R.B.Cakirli, R.F.Casten, P.Delahaye, M.Dworschak, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, R.Savreux, S.Schwarz, L.Schweikhard, C.Yazidjian

Approaching the N=82 shell closure with mass measurements of Ag and Cd isotopes

ATOMIC MASSES ^{112,114,115,116,117,118,119,120,121,122,123,124}Ag, ^{114,120,122,123,124,126,128}Cd; measured cyclotron frequencies relative to ¹³³Cs, and mass excesses using ISOLTRAP Penning trap spectrometer; deduced excitation energies of the isomers; evaluated mass excesses; two-neutron separate energies, and proton-neutron interaction strength δV_pn. Comparison with previous data and AME-2003.

doi: 10.1103/PhysRevC.81.034313
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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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2008BA54      Phys.Rev.Lett. 101, 262501 (2008)

S.Baruah, G.Audi, K.Blaum, M.Dworschak, S.George, C.Guenaut, U.Hager, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, H.Schatz, L.Schweikhard, C.Yazidjian

Mass Measurements beyond the Major r-Process Waiting Point ⁸⁰Zn

ATOMIC MASSES ^{71,72,73,74,75,76,77,78,79,80,81}Zn; measured masses using the ISOLTRAP mass spectrometer.

doi: 10.1103/PhysRevLett.101.262501
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2008DW01      Phys.Rev.Lett. 100, 072501 (2008)

M.Dworschak, G.Audi, K.Blaum, P.Delahaye, S.George, U.Hager, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, L.Schweikhard, C.Yazidjian

Restoration of the N = 82 Shell Gap from Direct Mass Measurements of ^{132, 134}Sn

ATOMIC MASSES ^{127,131,132,133,134}Sn; measured masses using the ISOLTRAP mass spectrometer. Discussed implications on the N=82 neutron-shell gap.

doi: 10.1103/PhysRevLett.100.072501
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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, ^{88,89,90,91,92}Tc, ^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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2006HE29      Int.J. Mass Spectrom. 251, 131 (2006)

A.Herlert, S.Baruah, K.Blaum, P.Delahaye, M.Dworschak, S.George, C.Guenaut, U.Hager, F.Herfurth, A.Kellerbauer, M.Marie-Jeanne, S.Schwarz, L.Schweikhard, C.Yazidjian

Towards high-accuracy mass spectrometry of highly charged short-lived ions at ISOLTRAP

ATOMIC MASSES ^{126,129,130,131,136}Xe; measured mass excesses, and relative abundances of different charge states of ¹³¹Xe using the ISOLTRAP Penning trap method.

doi: 10.1016/j.ijms.2006.01.017
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