NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 26, 2024.

Search: Author = S.Hofmann

Found 236 matches.

    Showing 1 to 100.

Back to query form

2023MU03      Eur.Phys.J. A 59, 21 (2023)

G.Munzenberg, M.Gupta, H.M.Devaraja, Y.K.Gambhir, S.Heinz, S.Hofmann

Heavy and superheavy elements: next generation experiments, ideas and considerations

doi: 10.1140/epja/s10050-023-00939-3
Citations: PlumX Metrics

2022BR08      Phys.Rev. C 106, 014602 (2022)

A.Bronis, F.P.Hessberger, S.Antalic, B.Andel, D.Ackermann, S.Heinz, S.Hofmann, J.Khuyagbaatar, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, K.Nishio, A.G.Popeko, B.Streicher, B.Sulignano, J.Uusitalo, M.Venhart, A.V.Yeremin

Decay studies of new isomeric states in ²⁵⁵No

RADIOACTIVITY ²⁵⁰Fm, ^252,254,255No(α)[from ²⁰⁸Pb(⁴⁸Ca, X), E=213.6, 218.4 MeV]; measured Eα. ^255mNo(IT); measured Eγ, γ(ce)-coin, γ(ER)-coin; deduced levels, three micro-sec isomers in ²⁵⁵No, J, π, T_1/2, multipolarities, Nilsson configurations. Comparison with level scheme of ²⁵⁷Rf from the decay of its isomer, and with theoretical calculations based on the mean-field models. ^253mNo, ^255mRf, ^257mRf; deduced Nilsson configurations of high-K 3-qp isomeric states in N=151 and N=153 isotopes. Systematics of experimental and theoretical single-particle states in N=153 isotones of ²⁴⁷Pu, ²⁴⁹Cm, ²⁵¹Cf, ²⁵³Fm, ²⁵⁵No, ²⁵⁷Rf, ²⁵⁹Sg, ²⁶¹Hs.

doi: 10.1103/PhysRevC.106.014602
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8054. Data from this article have been entered in the XUNDL database. For more information, click here.

2020DE36      Eur.Phys.J. A 56, 224 (2020)

H.M.Devaraja, S.Heinz, D.Ackermann, T.Gobel, F.P.Hessberger, S.Hofmann, J.Maurer, G.Munzenberg, A.G.Popeko, A.V.Yeremin

New studies and a short review of heavy neutron-rich transfer products

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, X), E=233.3 MeV; measured reaction products, Eγ, Iγ. ^{207,208,209,210}Tl, ^{211,212,213,214}Pb, ^{211,212,213,214}Bi, ^{213,214,215,216,217,218}Po, ^{213,214,215,216,217}At, ²¹³Rn, ^{217,218,219,220,221,222}Rn, ²¹⁴Fr, ²¹⁹Fr, ²²¹Fr, ²¹⁵Ra, ^{220,221,222,223,224}Ra, ²¹⁶Ac, ²²¹Ac, ²²³Ac, ^{225,226,227,228,229}Ac, ^223,224Th, ²²⁶Th, ^231,233Th, ^232,234,236Pa, ^237,238Pa, ²³⁰U, ²³⁷U, ²³⁹U, ^{238,239,240,241,242}Np; deduced isotopic distributions, production σ.

doi: 10.1140/epja/s10050-020-00229-2
Citations: PlumX Metrics

2020HO22      Pure Appl.Chem. 92, 1387 (2020)

S.Hofmann, S.N.Dmitriev, C.Fahlander, J.M.Gates, J.B.Roberto, H.Sakai

On the discovery of new elements (IUPAC/IUPAP Report)

COMPILATION Z=101-118; compiled the discoveries of new elements.

RADIOACTIVITY ²⁹³119, ²⁸⁹Ts, ²⁸⁵Mc, ²⁸¹Nh, ²⁷⁷Rg, ²⁷³Mt, ²⁶⁹Bh, ²⁶¹Lr(α), ²⁹⁵119, ²⁹¹Ts, ²⁸⁷Mc, ²⁸³Nh, ²⁷⁹Rg, ²⁷⁵Mt, ²⁷¹Bh, ²⁶⁷Db(α), ²⁹⁷119, ²⁹³Ts, ²⁸⁹Mc, ²⁸⁵Nh, ²⁸¹Rg, ²⁹⁹119, ²⁹⁵Ts, ²⁹¹Mc, ²⁸⁷Nh, ²⁸³Rg, ²⁷⁹Mt, ²⁹⁴119, ²⁹⁰Ts, ²⁸⁶Mc, ²⁸²Nh, ²⁷⁸Rg, ²⁷⁴Mt, ²⁷⁰Bh, ²⁶⁶Db(α), ²⁹⁶119, ²⁹²Ts, ²⁸⁸Mc, ²⁸⁴Nh, ²⁸⁰Rg, ²⁷⁶Mt, ²⁷²Bh, ²⁶⁸Db(α), ²⁹⁸119, ²⁹⁴Ts, ²⁹⁰Mc, ²⁸⁶Nh, ²⁸²Rg, ²⁷⁸Mt, ²⁷⁴Bh, ²⁷⁰Db(α), ³⁰⁰119, ²⁹⁶Ts, ²⁹²Mc, ²⁸⁸Nh, ²⁸⁴Rg, ²⁸⁰Mt, ²⁷⁶Bh(α), ²⁹⁵120, ²⁹¹Og, ²⁸⁷Lv, ²⁸³Fl, ²⁷⁹Cn, ²⁷⁵Ds, ²⁷¹Hs, ²⁶⁷Sg(α), ²⁹⁷120, ²⁹³Og, ²⁸⁹Lv, ²⁸⁵Fl, ²⁸¹Cn, ²⁷⁷Ds, ²⁷³Hs, ²⁶⁹Sg, ²⁶⁵Rf(α), ²⁹⁹120, ²⁹⁵Og, ²⁹¹Lv, ²⁸⁷Fl, ²⁸³Cn, ²⁷⁹Ds(α), ²⁹⁹120, ²⁹⁵Og, ²⁹¹Lv, ²⁸⁷Fl, ²⁸³Cn, ²⁷⁹Ds(α), ²⁹⁶120, ²⁹²Og, ²⁸⁸Lv, ²⁸⁴Fl(α), ²⁹⁸120, ²⁹⁴Og, ²⁹⁰Lv, ²⁸⁶Fl, ²⁸²Cn(α), ³⁰⁰120, ²⁹⁶Og, ²⁹²Lv, ²⁸⁸Fl, ²⁸⁴Cn(α); compiled expected decay chains of isotopes of elements 119 and 120 which could be produced in reactions with beams of the most neutron rich stable isotopes of elements from calcium to manganese and targets of ²⁴⁴Pu, ²⁴³Am, ²⁴⁸Cm, ²⁴⁹Bk, ²⁴⁹Cf, ²⁵⁰Cf, ²⁵¹Cf, and ²⁵⁴Es.

doi: 10.1515/pac-2020-2926
Citations: PlumX Metrics

2020KH10      Phys.Rev. C 102, 044312 (2020)

J.Khuyagbaatar, F.P.Hessberger, S.Hofmann, D.Ackermann, H.G.Burkhard, S.Heinz, B.Kindler, I.Kojouharov, B.Lommel, R.Mann, J.Maurer, K.Nishio

α decay of ²⁴³Fm₁₄₃ and ²⁴⁵Fm₁₄₅, and of their daughter nuclei

RADIOACTIVITY ²⁴⁵Fm(α)[from ²⁰⁸Pb(⁴⁰Ar, 3n), E=192 MeV]; ²⁴³Fm(α)[from ²⁰⁶Pb(⁴⁰Ar, 3n), E=185-204 MeV]; ²⁴¹Cf(α)[from ²⁴⁵Fm α]; ²³⁹Cf(α)[from ²⁴³Fm α]; ²³⁵Cm(α)[from ²⁴¹Cf α]; measured evaporation residues (ER), Eα, Iα, (ER)α-α-correlations for ²⁴³Fm decay chain, Eγ from ²⁴¹Cf decay, half-lives of the decays of ²⁴³Fm, ²³⁹Cf and ²³⁵Cm, the ²⁴⁵Fm and ²⁴³Fm activities separated using the SHIP separator at the GSI facility, and implanted into a position sensitive 16-strip Si detector, with six additional silicon detectors as the stop detector. ²⁴⁵Fm(α), (EC), (SF); deduced branching ratios, with upper limits for ϵ and SF modes, HF for α. ²⁴³Fm(α), (EC), (SF); deduced branching ratios, with upper limit for ϵ mode, HF for α. ^239,241Cf, ²³⁵Cm(α), (EC); deduced branching ratios, HF for α. ^239,241Cf, ²³⁷Cm; deduced one tentative level each, J, π, total internal conversion coefficient and multipolarity of a γ ray in ²³⁷Cm, Nilsson configurations. ^243,245Es, ²⁴⁶Fm(α); measured Eα.

doi: 10.1103/PhysRevC.102.044312
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2020MO11      Phys.Rev. C 101, 034310 (2020)

P.Mosat, F.P.Hessberger, S.Antalic, D.Ackermann, B.Andel, M.Block, S.Hofmann, Z.Kalaninova, B.Kindler, M.Laatiaoui, B.Lommel, A.K.Mistry, J.Piot, M.Vostinar

K isomerism in ²⁵⁵Rf and total kinetic energy measurements for spontaneous fission of ^{255, 256, 258}Rf

RADIOACTIVITY ^255,256RF(SF)[from ^207,208Pb(⁵⁰Ti, 2n), E=228.8, 238.3, 239.8 MeV]; ²⁵⁸Db(EC)[from ²⁰⁹Bi(⁵⁰Ti, n), E=232.6 MeV]; ²⁵⁸Rf(SF)[from ²⁵⁸Db(EC)]; measured evaporation residues (ERs) using the velocity filter SHIP at GSI, spontaneous fission events using time and position correlations, (fragment)(fragment)-coin, total kinetic energy (TKE) distributions of SF fragments, half-lives of ^255,256Rf decays from ER-SF correlated events, half-life of ²⁵⁸Rf decay from ce-SF correlated events, Eγ, Iγ, x rays, ce, γ(ce)-coin, K-isomers and their half-lives in ²⁵⁵Rf from ER-ce-SF/α and ER-ce-(ce)-SF/α correlated events using the STOP and BOX silicon strip detectors, and Ge clover detector at GSI; deduced tentative bimodal fission mode. ²⁵⁵Rf; deduced levels, J, π, two new high-K isomers and their Nilsson configurations; proposed level schemes of the isomers.

doi: 10.1103/PhysRevC.101.034310
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2019DE11      Eur.Phys.J. A 55, 25 (2019)

H.M.Devaraja, S.Heinz, O.Beliuskina, S.Hofmann, C.Hornung, G.Munzenberg, D.Ackermann, M.Gupta, Y.K.Gambhir, R.A.Henderson, F.P.Hessberger, A.V.Yeremin, B.Kindler, B.Lommel, J.Maurer, K.J.Moody, K.Nishio, A.G.Popeko, M.A.Stoyer, D.A.Shaughnessy

Population of nuclides with A ≥ 98 in multi-nucleon transfer reactions of ⁴⁸Ca + ²⁴⁸Cm

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, x), E=265.4, 270.2 MeV; measured production σ for directly populated nuclei ^252,254Cf, ^254m,256mEs and ²⁶⁰No[the last reaction used was ¹⁸O+²⁵⁴Es at 99 MeV] and for ^254,256Fm from parent decay using SHIP selector to select the fusion products and (in another run) target-like transfer reaction products, Compared with published data.

RADIOACTIVITY ^252,254,256Cf, ²⁵⁶Fm, ^{256,257,259,260}Md, ²⁵⁹No, ^262,263Lr(SF), (α); calculated T_1/2, SF branching ratio.

doi: 10.1140/epja/i2019-12696-3
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8038.

2019HO12      Radiochim.Acta 107, 879 (2019)

S.Hofmann

Synthesis and properties of isotopes of the transactinides

doi: 10.1515/ract-2019-3104
Citations: PlumX Metrics

2019XI06      Phys.Rev. C 100, 034315 (2019)

Y.Xiao, S.Go, R.Grzywacz, R.Orlandi, A.N.Andreyev, M.Asai, M.A.Bentley, G.de Angelis, C.J.Gross, P.Hausladen, K.Hirose, S.Hofmann, H.Ikezoe, D.G.Jenkins, B.Kindler, R.Leguillon, B.Lommel, H.Makii, C.Mazzocchi, K.Nishio, P.Parkhurst, S.V.Paulauskas, C.M.Petrache, K.P.Rykaczewski, T.K.Sato, J.Smallcombe, A.Toyoshima, K.Tsukada, K.Vaigneur, R.Wadsworth

Search for α decay of ¹⁰⁴Te with a novel recoil-decay scintillation detector

RADIOACTIVITY ^108,109Xe, ^104,105Te(α)[from ⁵⁴Fe(⁵⁸Ni, X), E=250 MeV from the tandem accelerator of the Japan Atomic Energy Agency (JAEA), followed by separation of evaporation residues using Recoil Mass Separator (RMS)]; measured Eα, Iα, αα-correlations using an inorganic scintillator YAP:Ce for implanted nuclei, and a multiwire proportional chamber (MWPC) for α particles; deduced αα-correlations for the ¹⁰⁹Xe to ¹⁰⁵Te to ¹⁰¹Sn α-decay chain, and no conclusive trace observed for the ¹⁰⁸Xe to ¹⁰⁴Te to ¹⁰⁰Sn α-decay chain, half-life of ¹⁰⁸Xe decay, upper limit of 4 ns for the half-life of ¹⁰⁴Te; estimated cross section for the production of ¹⁰⁸Xe, an order of magnitude lower than the expectation based on earlier cross section measurements and the HIVAP fusion-evaporation code. ¹⁰⁹I(p), ^108,109Te(α); measured proton and α spectra, half-life of ¹⁰⁹I decay. Comparison with data for ¹⁰⁸Xe to ¹⁰⁴Te to ¹⁰⁰Sn α-decay chain reported by 2018Au04.

doi: 10.1103/PhysRevC.100.034315
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2018MO20      Acta Phys.Pol. B49, 605 (2018)

P.Mosat, S.Antalic, F.P.Hessberger, D.Ackermann, B.Andel, M.Block, S.Hofmann, Z.Kalaninova, B.Kindler, I.Kojouharov, M.Laatiaoui, B.Lommel, A.K.Mistry, K.Nishio, J.Piot, B.Sulignano, M.Vostinar

Total Kinetic Energy Measurements for Spontaneous Fission of ^{255, 256, 258}Rf

RADIOACTIVITY ^255,256,258Rf(SF) [Rf isotopes produced in fusion-evaporation reactions]; measured fission fragments kinetic energy vs fragment implantation depth using STIP BOX coincidences and anticoincidences; deduced TKE.

doi: 10.5506/aphyspolb.49.605
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23443.

2017BE05      Eur.Phys.J. A 53, 32 (2017)

O.Beliuskina, A.O.Strekalovsky, A.A.Aleksandrov, I.A.Aleksandrova, H.M.Devaraja, C.Heinz, S.Heinz, S.Hofmann, S.Ilich, N.Imai, D.V.Kamanin, M.Kis, G.N.Knyazheva, C.Kozhuharov, E.A.Kuznetsova, J.Maurer, G.V.Mishinsky, M.Pomorski, Yu.V.Pyatkov, O.V.Strekalovsky, M.Trager, V.E.Zhuchko

Pulse-height defect in single-crystal CVD diamond detectors

doi: 10.1140/epja/i2017-12223-8
Citations: PlumX Metrics

2017KA66      J.Phys.Soc.Jpn. 86, 034201 (2017)

D.Kaji, K.Morita, K.Morimoto, H.Haba, M.Asai, K.Fujita, Z.Gan, H.Geissel, H.Hasebe, S.Hofmann, M.H.Huang, Y.Komori, L.Ma, J.Maurer, M.Murakami, M.Takeyama, F.Tokanai, T.Tanaka, Y.Wakabayashi, T.Yamaguchi, S.Yamaki, A.Yoshida

Study of the Reaction ⁴⁸Ca + ²⁴⁸Cm → ²⁹⁶Lv^* at RIKEN-GARIS

RADIOACTIVITY ²⁹²Lv, ²⁸⁸Fl, ²⁸⁴Cn, ²⁹³Lv, ²⁸⁹Fl, ²⁸⁵Cn, ²⁹⁴Lv, ²⁹⁰Fl(α) [from ²⁴⁸Cm(⁴⁸Ca, X)²⁹⁶Lv, E=261.6, 258.0 MeV]; measured decay products, Eα, Iα; deduced decay branches and ratios.

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, X)²⁹⁶Lv, E=261.6, 258.0 MeV; measured reaction products; deduced σ. Comparison with available data.

doi: 10.7566/jpsj.86.034201
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2538.

2016AN10      Phys.Rev. C 93, 064316 (2016)

B.Andel, A.N.Andreyev, S.Antalic, F.P.Hessberger, D.Ackermann, S.Hofmann, M.Huyse, Z.Kalaninova, B.Kindler, I.Kojouharov, P.Kuusiniemi, B.Lommel, K.Nishio, R.D.Page, B.Sulignano, P.Van Duppen

Short-lived isomers in ¹⁹²Po and ¹⁹⁴Po

NUCLEAR REACTIONS ¹⁴¹Pr(⁵⁶Fe, 2np), E=259 MeV; ¹⁴⁴Sm(⁵¹V, 2np), E=235 MeV; measured reaction products, Eγ, Iγ, γγ-coin, cross sections, half-lives of isomers by (ER)γα and (ER)γγα correlations using SHIP focal plane detectors at GSI. ^192,194Po; deduced levels, J, π, energies of isomeric state, multipolarity, B(E1) and B(E3) values for ¹⁹²Po. Discussed systematics of 11- isomers, B(E1) and B(E3) values in even-A Po and Pb isotopes.

doi: 10.1103/PhysRevC.93.064316
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2016HE13      Eur.Phys.J. A 52, 278 (2016)

S.Heinz, H.M.Devaraja, O.Beliuskina, V.Comas, S.Hofmann, C.Hornung, G.Munzenberg, D.Ackermann, M.Gupta, R.A.Henderson, F.P.Hessberger, B.Kindler, B.Lommel, R.Mann, J.Maurer, K.J.Moody, K.Nishio, A.G.Popeko, D.A.Shaughnessy, M.A.Stoyer, A.V.Yeremin

Synthesis of new transuranium isotopes in multinucleon transfer reactions using a velocity filter

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, x), E=5.3 MeV/nucleon; measured Eα, Iα, ²²⁵Pa velocity spectrum; deduced, identified 90 known isotopes and 5 new ones (3 produced directly in the reaction, 2 via precursor decays), their production σ.

doi: 10.1140/epja/i2016-16278-7
Citations: PlumX Metrics

2016HO06      Eur.Phys.J. A 52, 116 (2016)

S.Hofmann, S.Heinz, R.Mann, J.Maurer, G.Munzenberg, S.Antalic, W.Barth, L.Dahl, K.Eberhardt, R.Grzywacz, J.H.Hamilton, R.A.Henderson, J.M.Kenneally, B.Kindler, I.Kojouharov, R.Lang, B.Lommel, K.Miernik, D.Miller, K.J.Moody, K.Morita, K.Nishio, A.G.Popeko, J.B.Roberto, J.Runke, K.P.Rykaczewski, C.Scheidenberger, D.A.Shaughnessy, M.A.Stoyer, P.Thorle-Pospiech, K.Tinschert, N.Trautmann, J.Uusitalo, A.V.Yeremin

Remarks on the fission barriers of super-heavy nuclei

RADIOACTIVITY ²⁸⁵Fl, ^291,292,293Lv, ²⁹⁴Og(α); calculated mass excess, Q_α, shell correction energies for complete α-decay chains. Z=118, 120(α); deduced estimates for synthesis σ. Compared with calculations using macroscopic-microscopic models.

doi: 10.1140/epja/i2016-16116-0
Citations: PlumX Metrics

2016HO09      Eur.Phys.J. A 52, 180 (2016)

S.Hofmann, S.Heinz, R.Mann, J.Maurer, G.Munzenberg, S.Antalic, W.Barth, H.G.Burkhard, L.Dahl, K.Eberhardt, R.Grzywacz, J.H.Hamilton, R.A.Henderson, J.M.Kenneally, B.Kindler, I.Kojouharov, R.Lang, B.Lommel, K.Miernik, D.Miller, K.J.Moody, K.Morita, K.Nishio, A.G.Popeko, J.B.Roberto, J.Runke, K.P.Rykaczewski, S.Saro, C.Scheidenberger, H.J.Schott, D.A.Shaughnessy, M.A.Stoyer, P.Thorle-Pospiech, K.Tinschert, N.Trautmann, J.Uusitalo, A.V.Yeremin

Review of even element super-heavy nuclei and search for element

doi: 10.1140/epja/i2016-16180-4
Citations: PlumX Metrics

2015AN05      Eur.Phys.J. A 51, 41 (2015)

S.Antalic, F.P.Hessberger, D.Ackermann, S.Heinz, S.Hofmann, B.Kindler, J.Khuyagbaatar, B.Lommel, R.Mann

Nuclear isomers in ²⁵⁹Sg and ²⁵⁵Rf

NUCLEAR REACTIONS ²⁰⁶Pb(⁵⁴Cr, n), E=257-270 MeV; measured evaporation residues using PSSD strips, Eα, Iα, Eγ, Iγ, αγ-coin using Ge.

RADIOACTIVITY ²⁵⁹Sg(α), (EC), (β⁺); measured Eα, Iα(t), αα correlations, α(ER) correlations, time α-decay curves; deduced branching ratios, T_1/2. ²⁵⁵Rf, ²⁵⁹Sg; deduced isomeric state, T_1/2. ²⁵⁵Rf, ²⁵⁹Sg(SF), (α), (β⁺); measured α decay using PSSD, distribution of correlation times, fission spectra; deduced hindrance factor, single-particle level, J, π systematics, decay scheme for α decay of ²⁵⁹Sg. ²⁵⁵Rf deduced branching ratios.

doi: 10.1140/epja/i2015-15041-0
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2015DE22      Phys.Lett. B 748, 199 (2015)

H.M.Devaraja, S.Heinz, O.Beliuskina, V.Comas, S.Hofmann, C.Hornung, G.Munzenberg, K.Nishio, D.Ackermann, Y.K.Gambhir, M.Gupta, R.A.Henderson, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, B.Lommel, K.J.Moody, J.Maurer, R.Mann, A.G.Popeko, D.A.Shaughnessy, M.A.Stoyer, A.V.Yeremin

Observation of new neutron-deficient isotopes with Z≥92 in multinucleon transfer reactions

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, X)²¹⁶U/²¹²Th/²⁰⁸Fr/²¹⁹Np/²²³Am/²¹⁵Pa/²¹¹Ac/²⁰⁷Fr/²²⁹Am/²²⁵Np/²¹³Fr/²³³Bk/²²⁵Np, E=270 MeV; measured reaction fragments, Eα, Iα; deduced five new isotopes σ, T_1/2. Comparison with available data.

doi: 10.1016/j.physletb.2015.07.006
Citations: PlumX Metrics

2015HE30      Eur.Phys.J. A 51, 140 (2015)

S.Heinz, O.Beliuskina, V.Comas, H.M.Devaraja, C.Heinz, S.Hofmann, E.Kozulin, F.Morherr, G.Munzenberg, D.Ackermann, F.P.Hessberger, B.Kindler, B.Lommel, R.Mann, J.Maurer

Nuclear molecule formation and time delay in collisions of nuclei with Z₁ + Z₂ ≥ 110

NUCLEAR REACTIONS ²⁰⁷Pb(⁶⁴Ni, x), E=4.85-5.92 MeV/nucleon;²⁰⁸Pb(¹³²Xe, αx), (¹³²Xe, x), E=6.1 MeV/nucleon; measured reaction fragments using SHIP velocity filter, Eα, Iα. Po, At, Rn, Fr, Ra deduced velocity spectra, σ(θ), TKE, quadrupole deformation, nuclear molecule lifetime. ²³⁸U(²³⁸U, x), E=6.09, 6.29, 6.91, 7.10, 7.35 MeV/nucleon; measured reaction fragments using VAMOS spectrometer; deduced TKE, interaction lifetime vs mass number, σ vs mass number, quadrupole deformation; calculated σ vs mass number, quadrupole deformation.

doi: 10.1140/epja/i2015-15140-x
Citations: PlumX Metrics

2014AN10      Phys.Rev. C 90, 044312 (2014)

A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, J.Elseviers, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann, R.D.Page, P.Van Duppen, M.Venhart

α decay of ¹⁷⁶Au

RADIOACTIVITY ¹⁷⁶Au(α)[from ¹⁴¹Pr(⁴⁰Ca, 5n), E=208, 212 MeV using UNILAC and SHIP at GSI]; ¹⁷²Ir(α)[from ¹⁷⁶Au α parent]; measured Eα, Iα, Eγ, Iγ, αγ-, αα-coin; deduced branching ratios, hindrance factors, reduced α-decay widths, Q-values, GEANT simulations, new α decay branch for decay of high spin isomer of ¹⁷²Ir. ¹⁷²Ir, ¹⁶⁸Re; deduced levels, isomers, J, π, multipolarity, configuration. ¹⁸⁰Tl(α); discussed α decay results of experiment at ISOLDE-CERN facility. ¹⁶⁸Re, ¹⁷²Ir, ¹⁷⁶Au; discussed general systematics of multiplet states, and calculated Nilsson orbitals for neutrons and protons for ¹⁷²Ir and ¹⁷⁶Au. Comparison with previous experimental results. ¹⁷⁵Pt, ¹⁷⁷Au(α); observed α.

doi: 10.1103/PhysRevC.90.044312
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2014BE41      Eur.Phys.J. A 50, 161 (2014)

O.Beliuskina, S.Heinz, V.Zagrebaev, V.Comas, C.Heinz, S.Hofmann, R.Knobel, M.Stahl, D.Ackermann, F.P.Hessberger, B.Kindler, B.Lommel, J.Maurer, R.Mann

On the synthesis of neutron-rich isotopes along the N = 126 shell in multinucleon transfer reactions

NUCLEAR REACTIONS ²⁰⁷Pb(⁶⁴Ni, x), E=4.80-5.92 MeV/nucleon; measured Eα, Iα, Eγ, Iγ from deep-inelastic fragments using SHIP; deduced γ transitions. Os, Ir, Pt, Au, Hg, Tl deduced isotope production σ; calculated isotope production σ using stochastic approach and Langevine-type dynamical equations. Cross sections compared with ²⁰⁸Pb(⁶⁴Ni, x) thick target and fragmentation data.

doi: 10.1140/epja/i2014-14161-3
Citations: PlumX Metrics

2014KA23      Phys.Rev. C 89, 054312 (2014)

Z.Kalaninova, S.Antalic, A.N.Andreyev, F.P.Hessberger, D.Ackermann, B.Andel, L.Bianco, S.Hofmann, M.Huyse, B.Kindler, B.Lommel, R.Mann, R.D.Page, P.J.Sapple, J.Thomson, P.Van Duppen, M.Venhart

Decay of ^201-203Ra and ^200-202Fr

RADIOACTIVITY ^{200,201,201m,202,202m}Fr, ^{201,201m,202,203,203m}Ra(α)[from ^147,149Sm(⁵⁶Fe, X), E=236-275 MeV]; ^198,199,199mRn, ^196,197,197mAt, ^198,198mAt, ¹⁹⁴Po(α)[daughters of Fr and Ra α decay chains]; measured Eα, Iα, γα-coin, Eγ, Iγ, (evaporation residues)α and α₁-α₂, ER-fission correlations, half-lives using SHIP separator at GSI; deduced level energies of some of the isomers, Q(α), α branching ratios for some activities, reduced widths from Rasmussen prescription. ^200,201Fr; deduced new micro-sec isomers from γ-ray and x-ray data, half-lives. ²⁰⁰Fr; deduced evidence for beta-delayed fission from Er-fission correlated events. Comparison with previous experimental data. Systematics of Q(α) and reduced α widths in N=102-140 Po, Rn and Ra isotopes. Systematics of single-particle levels in N=104-126 Fr, At and Bi isotopes.

doi: 10.1103/PhysRevC.89.054312
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2014NI16      Nucl.Data Sheets 119, 299 (2014)

K.Nishio, H.Ikezoe, S.Hofmann, D.Ackermann, Y.Aritomo, V.F.Comas, Ch.E.Dullmann, S.Heinz, J.A.Heredia, F.P.Hessberger, K.Hirose, J.Khuyagbaatar, B.Kindler, I.Kojouharov, B.Lommel, M.Makii, R.Mann, S.Mitsuoka, I.Nishinaka, T.Ohtsuki, S.Saro, M.Schadel, A.G.Popeko, A.Turler, Y.Wakabayashi, Y.Watanabe, A.Yakushev, A.Yeremin

Study of Heavy-ion Induced Fission for Heavy Element Synthesis

NUCLEAR REACTIONS ²³⁸U(³⁰Si, F), (³⁴S, F), E^*=30-68 MeV;²³⁸U(³⁶S, F), E(cm)=140-180 MeV; measured reaction products; calculated σ; deduced σ. ²³⁸U(³⁰Si, xn), E(cm)=125-160 MeV;²³⁸U(³⁴S, xn), E(cm)=140-180 MeV; measured reaction products; deduced σ; calculated σ.

doi: 10.1016/j.nds.2014.08.082
Citations: PlumX Metrics

2013AN03      Phys.Rev. C 87, 014317 (2013)

A.N.Andreyev, S.Antalic, D.Ackermann, L.Bianco, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, Z.Kalaninova, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, K.Nishio, R.D.Page, J.J.Ressler, B.Streicher, S.Saro, B.Sulignano, P.Van Duppen

β-delayed fission of ^{192, 194}At

RADIOACTIVITY ¹⁹²At(β⁺F)[from ¹⁴⁴Sm(⁵¹V, 3n), E=230 MeV]; ¹⁹⁴At(β⁺F)[from ¹⁴¹Pr(⁵⁶Fe, 3n), E=259 MeV]; measured fission fragments, total energy spectrum, (fragment)γ-coin, T_1/2 using recoil-fission correlation technique at SHIP facility in GSI. ^192,194Po; deduced upper limits on TKE, β-delayed fission (βDF) probabilities. Discussed unusually high β-delayed fission probability for ¹⁹²At. ¹⁹⁴At(β⁺F)[from ¹⁴⁴Sm(⁵²Cr, pn), E=236 MeV]; analyzed fission fragment spectra; deduced T_1/2.

NUCLEAR REACTIONS ¹⁴¹Pr(⁵⁶Fe, xn)¹⁹³At/¹⁹⁴At/¹⁹⁵At, E=230-270 MeV; measured α spectra for ^193,194,195At, and delayed fission spectra for ¹⁹⁴At, σ(E).

doi: 10.1103/PhysRevC.87.014317
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2013AN08      Acta Phys.Pol. B44, 387 (2013)

S.Antalic, F.P.Hessberger, D.Ackermann, M.Block, S.Heinz, S.Hofmann, Z.Kalaninova, B.Kindler, M.Leino, B.Lommel, R.Mann, K.Nishio, S.Saro, B.Sulignano

Nuclear Structure of Heavy N = 153 Isotones

NUCLEAR REACTIONS ²⁰⁶Pb(⁵⁴Cr, n)²⁵⁹Sg, E=257-270 MeV; measured reaction products; deduced σ.

RADIOACTIVITY ²⁵⁹Sg(α) [from ²⁰⁶Pb(⁵⁴Cr, n)²⁵⁹Sg, E=257-270 MeV]; measured decay products, Eα, Iα; deduced T_1/2 for isomeric states.

doi: 10.5506/APhysPolB.44.387
Citations: PlumX Metrics

2013AN10      Phys.Rev. C 87, 054311 (2013)

A.N.Andreyev, V.Liberati, S.Antalic, D.Ackermann, A.Barzakh, N.Bree, T.E.Cocolios, J.Diriken, J.Elseviers, D.Fedorov, V.N.Fedosseev, D.Fink, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, O.Ivanov, J.Khuyagbaatar, B.Kindler, U.Koster, J.F.W.Lane, B.Lommel, R.Mann, B.Marsh, P.Molkanov, K.Nishio, R.D.Page, N.Patronis, D.Pauwels, D.Radulov, S.Saro, M.Seliverstov, M.Sjodin, I.Tsekhanovich, P.Van den Bergh, P.Van Duppen, M.Venhart, M.Veselsky

α-decay spectroscopy of the chain ¹⁷⁹Tl^g → ¹⁷⁵Au^g → ¹⁷¹Ir^g → ¹⁶⁷Re^m

RADIOACTIVITY ¹⁷⁹Tl(α)[from U(p, F), E=1.4 GeV and ¹⁴⁴Sm(⁴⁰Ca, 4np), E=232 MeV]; ¹⁷⁵Au, ¹⁷¹Ir(α)[from ¹⁷⁹Tl(α) decay]; measured Eα, Iα, Eγ, (recoil)α-, αα-coin, T_1/2, α-branching ratios, yields at ISOLDE-CERN and SHIP-GSI facilities. ¹⁷⁹Tl, ¹⁷⁵Au, ¹⁷¹Ir, ¹⁶⁷Re; deduced levels, J, π. ^172,173,175Pt, ^176,177Hg, ¹⁷⁹Au(α); measured Eα. Comparison with earlier experimental results.

doi: 10.1103/PhysRevC.87.054311
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2013AN13      Phys.Rev.Lett. 110, 242502 (2013)

A.N.Andreyev, M.Huyse, P.Van Duppen, C.Qi, R.J.Liotta, S.Antalic, D.Ackermann, S.Franchoo, F.P.Hessberger, S.Hofmann, I.Kojouharov, B.Kindler, P.Kuusiniemi, S.R.Lesher, B.Lommel, R.Mann, K.Nishio, R.D.Page, B.Streicher, S.Saro, B.Sulignano, D.Wiseman, R.A.Wyss

Signatures of the Z = 82 Shell Closure in α-Decay Process

RADIOACTIVITY ¹⁸⁶Po, ¹⁸²Pb, ¹⁷⁸Hg, ¹⁷⁴Pt(α) [from ¹⁴⁴Sm(⁴⁶Ti, X)¹⁹⁰Po, E=230 MeV, ¹⁹⁰Po(4n)]; measured decay products, Eα, Iα; deduced σ, identification of ¹⁸⁶Po, the α-particle formation probabilities.

doi: 10.1103/PhysRevLett.110.242502
Citations: PlumX Metrics

2013CO18      Eur.Phys.J. A 49, 112 (2013)

V.F.Comas, S.Heinz, S.Hofmann, D.Ackermann, J.A.Heredia, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann

Study of multi-nucleon transfer reactions in ^{58, 64}Ni + ²⁰⁷Pb collisions at the velocity filter SHIP

NUCLEAR REACTIONS ²⁰⁷Pb(⁵⁸Ni, X), (⁶⁴Ni, X), E=4.80-5.92 MeV/nucleon; measured Eα, Iα from fragment α decay, reaction fragments. Po, At, Rn, Fr deduced isotopic yields (primary and secondary), Q value, σ. Compared with Zagrebaev's calculations and data from nearby reactions. ²⁰⁸Pb(⁶⁴Ni, X)²⁷¹Ds, E≈0; measured reaction products; deduced σ.

doi: 10.1140/epja/i2013-13112-x
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2013KA16      Phys.Rev. C 87, 044335 (2013)

Z.Kalaninova, A.N.Andreyev, S.Antalic, F.P.Hessberger, D.Ackermann, B.Andel, M.C.Drummond, S.Hofmann, M.Huyse, B.Kindler, J.F.W.Lane, V.Liberati, B.Lommel, R.D.Page, E.Rapisarda, K.Sandhu, S.Saro, A.Thornthwaite, P.Van Duppen

α decay of the very neutron-deficient isotopes ^197-199Fr

NUCLEAR REACTIONS ¹⁴¹Pr(⁶⁰Ni, xn)¹⁹⁷Fr/¹⁹⁸Fr/¹⁹⁹Fr, E=262-300 MeV; measured Eα, Eγ, (ER)α-, αα-correlations, time-of-flight, production σ using SHIP at GSI facility.

RADIOACTIVITY ^197,198,199Fr(α)[from ¹⁴¹Pr(⁶⁰Ni, X), E=262-300 MeV]; measured Eγ, Iγ, Eα, (ER)α-, αα-, αγ-coin, T_1/2 using SHIP at GSI facility. ^193,194,195At, ^189,190,191Bi(α)[from α decay of ^197,198,199Fr parents]; measured Eα, half-lives, αα correlations. ^197,198,199Fr, ^193,194,195At, ^189,190Bi, ¹⁸⁵Tl; deduced levels, J, π, isomers, configurations, reduced α-decay width. ^197,198,199Rn, ¹⁹⁷At, ^{193,194,195,196}Po(α); observed α peaks in spectra. Systematics of α-decay reduced widths for 1/2+ to 1/2+, 7/2- to 7/2-, and 9/2- to 9/2- α transitions in N=105-135, odd-A At, Fe and even-A Rn isotopes.

doi: 10.1103/PhysRevC.87.044335
Citations: PlumX Metrics

2013LA02      Phys.Rev. C 87, 014318 (2013)

J.F.W.Lane, A.N.Andreyev, S.Antalic, D.Ackermann, J.Gerl, F.P.Hessberger, S.Hofmann, M.Huyse, H.Kettunen, A.Kleinbohl, B.Kindler, I.Kojouharov, M.Leino, B.Lommel, G.Munzenberg, K.Nishio, R.D.Page, S.Saro, H.Schaffner, M.J.Taylor, P.Van Duppen

β-delayed fission of ^{186, 188}Bi isotopes

RADIOACTIVITY ¹⁸⁸Bi(β⁺F)[from ¹⁴²Nd(⁵⁰Cr, 3np), E=252 MeV]; ¹⁸⁶Bi(β⁺F)[from ¹⁴⁴Sm(⁴⁶Ti, 3np), E=239 MeV]; measured α, particle and fission fragment spectra, T_1/2 using recoil-fission correlation technique at SHIP facility in GSI. ^186,188Pb; deduced estimates of beta-delayed fission (βDF) probabilities. Comparison with β-delayed fission probabilities for ¹⁹²At, ²⁴⁶Md.

doi: 10.1103/PhysRevC.87.014318
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2012CO22      Eur.Phys.J. A 48, 180 (2012)

V.Comas, S.Heinz, S.Hofmann, D.Ackermann, J.Heredia, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann

Observation of rotating nuclear molecules and determination of their lifetimes

NUCLEAR REACTIONS ²⁰⁷Pb(⁶⁴Ni, X), E=5.92 MeV/nucleon; measured reaction fragments energy and angular distributions using SHIP velocity filter; calculated DNS (double nuclear system) T_1/2 as function of peaks in angular distributions. ^212mAt, ²¹³Rn, ²¹³Fr, ²¹⁵Ra deduced σ(θ) vs cm velocity, TKE, T_1/2 from the peaks of σ(θ).

doi: 10.1140/epja/i2012-12180-8
Citations: PlumX Metrics

2012HE05      Eur.Phys.J. A 48, 32 (2012)

S.Heinz, S.Hofmann, V.Comas, D.Ackermann, J.Heredia, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann

The source of "background" fission events in experiments on superheavy elements

NUCLEAR REACTIONS ²³⁸U(⁶⁴Ni, F), (⁶⁴Ni, X), E=5.53 MeV/nucleon;²⁴⁸Cm(⁴⁸Ca, F), (⁴⁸Ca, X), (⁵⁴Cr, F), (⁵⁴Cr, X), E=5.53 MeV/nucleon; measured E(heavy fragment), I(heavy fragment); deduced σ, σ(θ) vs fragment velocity.

doi: 10.1140/epja/i2012-12032-7
Citations: PlumX Metrics

2012HE09      Eur.Phys.J. A 48, 75 (2012)

F.P.Hessberger, S.Antalic, D.Ackermann, Z.Kalaninova, S.Heinz, S.Hofmann, B.Streicher, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, K.Nishio, S.Saro, B.Sulignano, M.Venhart

Alpha-gamma decay studies of ²⁵³No and its daughter products ²⁵³Md , ²⁴⁹Fm

RADIOACTIVITY ²⁵³No(α), (β⁺), (EC)[from ²⁰⁷Pb(⁴⁸Ca, 2n)], ²⁴⁹Fm, ²⁵³Md(α)[from ²⁵³No]; measured Eα, Iα, Eγ, Iγ, αγ-coin, ER. ²⁴⁹Es, ²⁴⁹Fm, ²⁵³Md, ²⁵³No deduced levels, J, π, γ transitions, α branching ratios calculated α-decay spectrum using GEANT4. Compared with data.

doi: 10.1140/epja/i2012-12075-8
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2012HO03      Acta Phys.Pol. B43, 179 (2012)

S.Hofmann

Physics Experiments on Superheavy Nuclei at the GSI SHIP

doi: 10.5506/APhysPolB.43.179
Citations: PlumX Metrics

2012HO04      Rom.J.Phys. 57, 214 (2012)

S.Hofmann

Study of Superheavy Nuclei at Ship

2012HO12      Eur.Phys.J. A 48, 62 (2012)

S.Hofmann, S.Heinz, R.Mann, J.Maurer, J.Khuyagbaatar, D.Ackermann, S.Antalic, W.Barth, M.Block, H.G.Burkhard, V.F.Comas, L.Dahl, K.Eberhardt, J.Gostic, R.A.Henderson, J.A.Heredia, F.P.Hessberger, J.M.Kenneally, B.Kindler, I.Kojouharov, J.V.Kratz, R.Lang, M.Leino, B.Lommel, K.J.Moody, G.Munzenberg, S.L.Nelson, K.Nishio, A.G.Popeko, J.Runke, S.Saro, D.A.Shaughnessy, M.A.Stoyer, P.Thorle-Pospiech, K.Tinschert, N.Trautmann, J.Uusitalo, P.A.Wilk, A.V.Yeremin

The reaction ⁴⁸Ca + ²⁴⁸Cm → ²⁹⁶116^* studied at the GSI-SHIP

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, X)²⁹²Lv/²⁹³Lv, E=265.4, 270.2 MeV; measured reaction products, Eα, Iα(t) from 116 decay, 116 fission using SHIP velocity filter. ^288,289Fl, ^284,285Cn, ²⁸¹Ds, ²⁷⁷Hs; deduced σ, T_1/2, ground state quadrupole deformation, quasiparticle excitations, Q-values for different α decay chains. Comparison with other data.

doi: 10.1140/epja/i2012-12062-1
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0938.

2012KH11      Phys.Rev. C 86, 064602 (2012)

J.Khuyagbaatar, K.Nishio, S.Hofmann, D.Ackermann, M.Block, S.Heinz, F.P.Hessberger, K.Hirose, H.Ikezoe, B.Kinlder, B.Lommel, H.Makii, S.Mitsuoka, I.Nishinaka, T.Ohtsuki, Y.Wakabayashi, S.Yan

Evidence for hindrance in fusion between sulfur and lead nuclei

NUCLEAR REACTIONS ^204,206,208Pb(³⁴S, F), (³⁶S, F), E=160-200 MeV; measured fission fragments, fission and ER σ at JAEA facility. Comparison with coupled-channel (HIVAP) calculations. Influence of coupling to the vibrational states in ³⁴S.

doi: 10.1103/PhysRevC.86.064602
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2413.

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
Citations: PlumX Metrics

2012NI12      Phys.Rev. C 86, 034608 (2012)

K.Nishio, S.Mitsuoka, I.Nishinaka, H.Makii, Y.Wakabayashi, H.Ikezoe, K.Hirose, T.Ohtsuki, Y.Aritomo, S.Hofmann

Fusion probabilities in the reactions ^{40, 48}Ca+²³⁸U at energies around the Coulomb barrier

NUCLEAR REACTIONS ²³⁸U(⁴⁰Ca, X), (⁴⁸Ca, X), E(cm)=180-248 MeV; measured fission fragment spectra, (fragment)(fragment)-coin, σ(θ), full momentum transfer fission σ, fission fragment σ and mass distribution, total kinetic energy (TKE); deduced fusion probabilities. Comparison with calculations using fluctuation-dissipation model using Langevin equations. Comparison with previous experimental studies.

doi: 10.1103/PhysRevC.86.034608
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2411.

2011AN13      Eur.Phys.J. A 47, 62 (2011)

S.Antalic, F.P.Hessberger, D.Ackermann, S.Heinz, S.Hofmann, Z.Kalaninova, B.Kindler, J.Khuyagbaatar, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, K.Nishio, S.Saro, B.Streicher, B.Sulignano, M.Venhart

Isomeric states in ²⁵³No and ²⁵³Fm

RADIOACTIVITY ²⁵³Md, ²⁵³No(EC), (β⁺)[from ²⁰⁷Pb(⁴⁸Ca, 2n), E=218.4 MeV]; measured Eα, Iα, Eγ, Iγ(t), delayed αγ-coin, X-rays, Ex, Ix(t), Xγ-coin, βγ-coin, γγ-coin. ²⁵³No deduced isomer decay T_1/2, transition multipolatirities, levels, rotational band, ICC. ²⁵³Fm deduced levels, J, π, ICC, isomeric transition.

doi: 10.1140/epja/i2011-11062-y
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2011HA08      Phys.Rev.Lett. 106, 122501 (2011)

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

Mass Measurements of Very Neutron-Deficient Mo and Tc Isotopes and Their Impact on rp Process Nucleosynthesis

ATOMIC MASSES ⁸¹Rb, ^80,81,84Sr, ⁸⁶Zr, ⁸⁵Nb, ^85,86,87Mo, ⁸⁷Tc; measured frequency ratios; deduced masses, proton separation energies, possible limitations for rp astrophysical process. Comparison with AME03, Penning trap mass measurement.

doi: 10.1103/PhysRevLett.106.122501
Citations: PlumX Metrics

2011HO10      Radiochim.Acta 99, 405 (2011)

S.Hofmann

Synthesis of superheavy elements by cold fusion

doi: 10.1524/ract.2011.1854
Citations: PlumX Metrics

2011KA30      Phys.Rev. C 84, 054607 (2011)

Sh.A.Kalandarov, G.G.Adamian, N.V.Antonenko, W.Scheid, S.Heinz, V.Comas, S.Hofmann, J.Khuyagbaatar, D.Ackermann, J.Heredia, F.P.Hessberger, B.Kindler, B.Lommel, R.Mann

Emission of clusters with Z > 2 from excited actinide nuclei

NUCLEAR REACTIONS ²⁰⁶Pb(²⁵Mg, X)²¹¹Po/²⁰⁸Rn/²⁰⁹Rn/²¹⁰Rn/²¹¹Rn/²¹²Rn/²¹³Rn/²⁰⁹Fr/²¹⁰Fr/²¹¹Fr/²¹²Fr/²¹³Fr/²¹²Ra/²¹³Ra/²¹⁴Ra/²¹⁵Ra/²¹⁴Th/²¹⁵Th/²¹⁶Th/²¹⁷Th/²¹⁸Th, E=5.9, 6.3, 8.7 MeV/nucleon; Pt(³⁶S, X)²⁰⁷Rn/²⁰⁸Rn/²⁰⁹Rn/²¹⁰Rn/²¹³Rn/²⁰⁹Fr/²¹⁰Fr/²¹¹Fr/²¹²Fr/²¹³Fr/²¹⁰Ra/²¹¹Ra/²¹²Ra/²¹³Ra/²¹⁴Ra/²¹⁵Ra, E=5.30, 5.50, 5.96 MeV/nucleon; W(⁴⁸Ca, X)²⁰⁷Rn/²⁰⁸Rn/²⁰⁹Rn/²¹⁰Rn/²¹³Rn/²⁰⁹Fr/²¹⁰Fr/²¹¹Fr/²¹²Fr/²¹⁰Ra/²¹¹Ra/²¹²Ra/²¹³Ra/²¹⁴Ra/²¹⁵Ra/²¹⁹Th/²²⁰Th/²²¹Th/²²²Th/²²³Th, E=5.41 MeV/nucleon; measured Eα, Iα, cross sections, charge, and isotopic distributions of the residual heavy nuclei, velocity spectra using SHIP filter at GSI. Emission of complex fragments with Z>2 Comparison with theoretical calculations using dinuclear system model.

doi: 10.1103/PhysRevC.84.054607
Citations: PlumX Metrics

2011VE03      Eur.Phys.J. A 47, 20 (2011)

M.Venhart, F.P.Hessberger, D.Ackermann, S.Antalic, C.Gray-Jones, P.T.Greenlees, S.Heinz, R.-D.Herzberg, S.Hofmann, S.Ketelhut, B.Kindler, I.Kojouharov, M.Leino, B.Lommel, R.Mann, P.Papadakis, D.Rostron, D.Rudolph, S.Saro, B.Sulignano

Decay study of ²⁴⁶Fm at SHIP

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁰Ar, 2n), E=186.4 MeV; measured E(particle), I(particle, θ), Eα, Iα(t), E(CE), I(CE), Eγ, Iγ, X-rays, αβ-coin, αγ-coin, (ER)α-coin, (fragment)γ-coin. ²⁴⁶Fm calculated two-quasineutron levels, J, π using Woods-Saxon and self-consistent mean field with Gogny forces, T_1/2 for high-K states; deduced T_1/2, spontaneous fission T_1/2, α, SF, EC branching ratio, two-quasineutron levels. ²⁴²Cf deduced α, EC branching ratio.

doi: 10.1140/epja/i2011-11020-9
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2010AN01      J.Phys.(London) G37, 035102 (2010)

A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antila, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins

The new isotope ¹⁷⁹Pb and α-decay properties of ¹⁷⁹Tl^m

RADIOACTIVITY ¹⁷⁹Tl, ¹⁷⁵Au, ¹⁷⁹Pb(α) [from ¹⁴⁴Sm(⁴⁰Ca, 5n), E=232 MeV]; measured Eα, Iα; deduced T_1/2, J, π.

RADIOACTIVITY ¹⁷²Pt(α); measured decay products, Eα, Iα; deduced %α branch.

doi: 10.1088/0954-3899/37/3/035102
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8018. Data from this article have been entered in the XUNDL database. For more information, click here.

2010AN08      Eur.Phys.J. A 43, 35 (2010)

S.Antalic, F.P.Hessberger, S.Hofmann, D.Ackermann, S.Heinz, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, S.Saro

Studies of neutron-deficient mendelevium isotopes at SHIP

NUCLEAR REACTIONS ²⁰⁹Bi(⁴⁰Ar, 2n), (⁴⁰Ar, 3n), E=187, 198 MeV; measured Eγ, Iγ, Eα, Iα, αγ-, αα-coin; deduced σ. ²⁴²Es, ²⁴³Es, ²⁴⁶Fm, ^246,247Md; deduced levels, J, π, Q, branching ratios, T_1/2. Comparison with other data and calculations.

RADIOACTIVITY ^242,243Es, ^246,247Md(α), (SF); ²⁴⁶Md(EC) [from ²⁰⁹Bi(⁴⁰Ar, 2n), (⁴⁰Ar, 3n), E=187, 198 MeV and subsequent decays]; measured Eγ, Iγ, Eα, Iα, αγ-, αα-coin; deduced Q, branching ratios, T_1/2. Comparison with other data and calculations.

doi: 10.1140/epja/i2009-10896-0
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2010HE10      Eur.Phys.J. A 43, 55 (2010)

F.P.Hessberger, S.Antalic, B.Sulignano, D.Ackermann, S.Heinz, S.Hofmann, B.Kindler, J.Khuyagbaatar, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, K.Nishio, A.G.Popeko, S.Saro, B.Streicher, J.Uusitalo, M.Venhart, A.V.Yeremin

Decay studies of K isomers in ²⁵⁴No

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, 2n), E=213.6, 218.4 MeV; measured Eγ, Iγ, Eα, Iα, E(ce), I(ce), γγ-, γ(ce)-coin. ²⁵⁴No; deduced branching ratios, bands, levels, J, π, T_1/2, configurations.

RADIOACTIVITY ²⁵⁴Md, ²⁵⁴No(α), (EC) [from ²⁰⁸Pb(⁴⁸Ca, 2n), E=213.6, 218.4 MeV]; measured Eγ, Iγ, Eα, Iα, E(ce), I(ce), γγ-, γ(ce)-coin; deduced branching ratios, bands, levels, J, π, T_1/2, configurations.

doi: 10.1140/epja/i2009-10899-9
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2010HE11      Eur.Phys.J. A 43, 175 (2010)

F.P.Hessberger, S.Antalic, D.Ackermann, S.Heinz, S.Hofmann, J.Khuyagbaatar, B.Kindler, I.Kojouharov, B.Lommel, R.Mann

Alpha-decay properties of ²⁶¹Bh

RADIOACTIVITY ²⁵³Lr, ²⁵⁷Db, ²⁶¹Bh(α) [²⁰⁹Bi(⁵⁴Cr, 2n), E=271 MeV]; measured Eα, Iα, Eγ, αγ-coin; calculated T_1/2, hindrance factors. ²⁵⁷Db, ²⁶¹Bh; deduced levels, J, π.

doi: 10.1140/epja/i2010-10913-3
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2010HE12      Eur.Phys.J. A 43, 181 (2010)

S.Heinz, V.Comas, S.Hofmann, D.Ackermann, J.Heredia, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann

Investigation of di-nuclear systems as entrance channel to fusion

NUCLEAR REACTIONS ²⁰⁷Pb(⁶⁴Ni, X)²¹¹Po/²¹²At/²¹³Rn/²¹³Fr/²¹⁴Ra, E=4.80, 5.00, 5.20, 5.40, 5.53, 5.92 MeV/nucleon; measured σ(θ), E(residue) using the SHIP facility.

doi: 10.1140/epja/i2010-10914-2
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0865.

2010HE14      Nucl.Phys. A834, 362c (2010)

S.Heinz, V.Comas, S.Hofmann, D.Ackermann, J.Heredia, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann, C.Golabek, W.Mittig, F.Rejmund, A.C.C.Villari

Study of heavy di-nuclear systems

NUCLEAR REACTIONS ²⁰⁷Pb(⁶⁴Ni, X)²¹¹Po/²¹²At/²¹³Rn/²¹³Fr/²¹⁴Ra, E=4.80, 5.00, 5.20, 5.40, 5.53, 5.92 MeV/nucleon; measured Eα, Iα, σ(θ), yields, fragment energy spectra (TKE) using SHIP velocity filter. ²³⁸U(²³⁸U, X), E=6.09, 6.49, 6.91, 7.10, 7.35 MeV/nucleon; measured σ(θ), mass distributions, yields, fragment energy spectra (TKE) using VAMOS spectrometer; deduced interaction times using diffusion model.

doi: 10.1016/j.nuclphysa.2010.01.040
Citations: PlumX Metrics

2010HE25      Eur.Phys.J. A 46, 337 (2010)

J.A.Heredia, A.N.Andreyev, S.Antalic, S.Hofmann, D.Ackermann, V.F.Comas, S.Heinz, F.P.Hessberger, B.Kindler, J.Khuyagbaatar, B.Lommel, R.Mann

The new isotope ²⁰⁸Th

NUCLEAR REACTIONS ¹⁴⁷Sm(⁶⁴Ni, 2n), E=288 MeV;¹⁴⁷Sm(⁶⁴Ni, 3n), E=288, 294 MeV;¹⁵⁰Sm(⁶⁴Ni, 4n), E=294 MeV;¹⁵²Sm(⁶⁴Ni, 4n), E=288 MeV; measured Eα, Iα(t). ^{208,209,210,212}Th deduced α decay widths, T_1/2, α decay chains, ²⁰⁸Th new isotope. Comparison with other data.

doi: 10.1140/epja/i2010-11058-1
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8025. Data from this article have been entered in the XUNDL database. For more information, click here.

2010HO06      Int.J.Mod.Phys. E19, 483 (2010)

S.Hofmann

Experiments on superheavy elements

doi: 10.1142/S0218301310014819
Citations: PlumX Metrics

2010KH06      Eur.Phys.J. A 46, 59 (2010)

J.Khuyagbaatar, F.P.Hessberger, S.Hofmann, D.Ackermann, V.S.Comas, S.Heinz, J.A.Heredia, B.Kindler, I.Kojouharov, B.Lommel, R.Mann, K.Nishio, A.Yakushev

The new isotope ²³⁶Cm and new data on ²³³Cm and ^{237, 238, 240}Cf

NUCLEAR REACTIONS ^204,206,207Pb(³⁶Si, 2n), (³⁶Si, 3n), E=163.6, 170.3 MeV; measured Eα, Iα, evaporation residues, Eγ, Iγ, X-rays, (particle)γ-coin, (particle)X-coin. ^{237,238,239,240,241}Cf deduced σ.

RADIOACTIVITY ^237,238,240Cf(SF), (α); measured Eα, Iα, delayed αα-coin, TKE; deduced spontaneous fission T_1/2. ^237,240Cf deduced mass excess. ^238,240Cf deduced α-decay T_1/2. ^233,236Cm(α), (EC)[from Cf α decay]; measured Eα, Iα, Iβ; deduced α-decay T_1/2, α-branching. ²³⁶Cm deduced mass excess, spontaneous fission T_1/2. ²²⁹Pu(α); measured Eα, Iα(t); deduced T_1/2.

doi: 10.1140/epja/i2010-11026-9
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2010NI14      Phys.Rev. C 82, 024611 (2010)

K.Nishio, S.Hofmann, F.P.Hessberger, D.Ackermann, S.Antalic, Y.Aritomo, V.F.Comas, Ch.E.Dullmann, A.Gorshkov, R.Graeger, K.Hagino, S.Heinz, J.A.Heredia, K.Hirose, H.Ikezoe, J.Khuyagbaatar, B.Kindler, I.Kojouharov, B.Lommel, R.Mann, S.Mitsuoka, Y.Nagame, I.Nishinaka, T.Ohtsuki, A.G.Popeko, S.Saro, M.Schadel, A.Turler, Y.Watanabe, A.Yakushev, A.V.Yeremin

Nuclear orientation in the reaction ³⁴S+²³⁸U and synthesis of the new isotope ²⁶⁸Hs

NUCLEAR REACTIONS ²³⁸U(³⁴S, xn)²⁶⁷Hs/²⁶⁸Hs, E=148-170 MeV; measured evaporation residues and Eα, Eγ, x-rays, (fragment)α-, (fragment)γ-coin, production σ, fission σ(E), mass distribution of fission fragments as a function of energy. Comparison of fission σ(E) with calculations based on the three-dimensional Langevin equation and deformed target nuclei. Coupled-channel calculations for mass distributions. ^268,269Sg, ^272,273Hs, ^269,271,272Mt, ^{274,275,276,277}Sg, ^273,275,276Rg, ^{278,279,280,281}Cn; theoretical estimates of production rates in ²⁴³Am, ²⁴⁴Pu, ²⁴⁸Cm(³⁴S, xn), (³⁶S, xn) reactions.

RADIOACTIVITY ^267,268Hs(α)[from ²³⁸U(³⁴S, X), E=163.0 MeV]; ²⁶³Sg, ²⁵⁹Rf(α); ²⁶⁴Sg(SF); measured Eα, Eγ, x-rays, (fragment)α-, (fragment)γ-coin, half-lives; deduced Qα. Systematics of Qα values for even-even Z=104-114 and N=150-170 nuclei.

doi: 10.1103/PhysRevC.82.024611
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0736. Data from this article have been entered in the XUNDL database. For more information, click here.

2010NI18      Phys.Rev. C 82, 044604 (2010)

K.Nishio, H.Ikezoe, I.Nishinaka, S.Mitsuoka, K.Hirose, T.Ohtsuki, Y.Watanabe, Y.Aritomo, S.Hofmann

Evidence for quasifission in the sub-barrier reaction of ³⁰Si+²³⁸U

NUCLEAR REACTIONS ²³⁸U(³⁰Si, X), E=140.8, 145.3, 150.9, 156.5, 162.2, 167.8, 173.4, 179.0, 190.3 MeV; measured distribution for folding angle of fission fragments, σ for the full momentum transfer (FMT) fission, σ for evaporation residues of ^263,264,265Sg, A=50-250 fragment mass distributions for full momentum transfer (FMT) fissions. Comparison with Langevin equation model and statistical model calculations.

doi: 10.1103/PhysRevC.82.044604
Citations: PlumX Metrics

2010ST14      Eur.Phys.J. A 45, 275 (2010)

B.Streicher, F.P.Hessberger, S.Antalic, S.Hofmann, D.Ackermann, S.Heinz, B.Kindler, J.Khuyagbaatar, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, S.Saro, B.Sulignano, J.Uusitalo, M.Venhart

Alpha-gamma decay studies of ²⁶¹Sg and ²⁵⁷Rf

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁴Cr, n), (⁵⁴Cr, 2n), E=254-281 MeV; ²⁰⁸Pb(⁵⁴Cr, 2n), E=258 MeV; measured E(residue), I(residue, θ), Eα, Iα(θ), Eγ, Iγ; deduced σ.

RADIOACTIVITY ²⁵⁵Fm, ²⁵⁷No, ²⁵⁷Rf, ²⁶¹Sg(α); measured Eα, Iα, Eγ, Iγ, γγ-coin, αγ-coin, E(K X-rays). ²⁵¹Cf, ²⁵³Fm, ²⁵⁷Rf deduced levels, J, π; ²⁵⁷Rf isomer deduced T_1/2, decay scheme.

COMPILATION N=151, 153; compiled low-lying Nilsson levels; compared to Parkhomenko's calculations.

doi: 10.1140/epja/i2010-11005-2
Citations: PlumX Metrics

2009AN09      Acta Phys.Pol. B40, 763 (2009)

S.Antalic, F.P.Hessberger, S.Hofmann, D.Ackermann, S.Heinz, B.Kindler, I.Kojouharov, M.Leino, B.Lommel, R.Mann, K.Nishio, S.Saro, B.Sulignano, M.Venhart

Study of K-Isomers in Odd-Mass Nuclei at SHIP

2009AN11      Phys.Rev. C 79, 064320 (2009)

A.N.Andreyev, S.Antalic, D.Ackermann, L.Bianco, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, K.Nishio, R.D.Page, J.J.Ressler, P.Sapple, B.Streicher, S.Saro, B.Sulignano, J.Thomson, P.Van Duppen, M.Venhart

α decay of ¹⁹⁴At

NUCLEAR REACTIONS ¹⁴¹Pr(⁵⁶Fe, xn)¹⁹³Po/^193mPo/¹⁹³At/¹⁹⁴At/^194mAt/¹⁹⁵At, E=259 MeV]; measured Eα, Iα, recoil-α-α and α-γ correlations.

RADIOACTIVITY ^194,194mAt(α), ^190,190mBi(α)[from ¹⁴¹Pr(⁵⁶Fe, 3n), E=259 MeV]; measured Eα, Iα, Eγ, Iγ, γγ-, αγ-coin, isomer half-lives, recoil-α-α correlations. ¹⁹⁰Bi, ¹⁹⁴At; deduced levels, J, π, multipolarity, hindrance factors, configurations. ¹⁹³Po, ^193,195At(α); measured Eα.

doi: 10.1103/PhysRevC.79.064320
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1712. Data from this article have been entered in the XUNDL database. For more information, click here.

2009AN14      Phys.Rev. C 80, 024302 (2009)

A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antila, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins

Decay of the 9/2^- isomer in ¹⁸¹Tl and mass determination of low-lying states in ¹⁸¹Tl, ¹⁷⁷Au, and ¹⁷³Ir

RADIOACTIVITY ¹⁸¹Tl, ¹⁷⁷Au(α) [from ¹⁴⁴Sm(⁴⁰Ca, 2np)]; measured Eα, Iα, Eγ, Iγ, γγ-, αγ-coin, α-α correlations and half-lives; deduced branching ratios and hindrance factors. ¹⁷³Ir, ¹⁷⁷Au, ¹⁸¹Tl; deduced levels, J, π, isomers. ¹⁷³Ir, ^173mIr, ¹⁷⁷Au, ^177mAu, ¹⁸¹Tl, ^181mTl, ¹⁸⁵Bi; deduced mass excesses. Level energy systematics of odd-A Tl isotopes.

doi: 10.1103/PhysRevC.80.024302
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2009AN17      Phys.Rev. C 80, 044334 (2009)

A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antila, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins

Identification and decay of the 0.48 ms 13/2⁺ isomer in ¹⁸¹Hg

NUCLEAR REACTIONS ¹⁴⁴Sm(⁴⁰Ca, n2p), E=177-229 MeV; measured Eγ, Iγ, γγ-coin, delayed γ, and half-lives. ¹⁸¹Hg; deduced levels, J, π, multipolarities, isomer. Comparison with earlier experimental data.

doi: 10.1103/PhysRevC.80.044334
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2009AN20      Phys.Rev. C 80, 054322 (2009)

A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antilla, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins

α decay of ^{180, 181}Pb

RADIOACTIVITY ^180,181Pb(α) [from ¹⁴⁴Sm(⁴⁰Ca, xn), E=196 MeV];measured Eα, Iα, (evaporation residues)α-, αγ-coin, α-α correlations, and half-lives using SHIP at GSI facility; deduced branching ratios and α-reduced widths. ¹⁷⁷Hg; deduced levels, J, π. ^172,173Pt, ^176,177Hg(α); measured Eα, half-life. ¹⁷⁸Hg, ¹⁸²Pb; measured Eα.

doi: 10.1103/PhysRevC.80.054322
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2009GU06      Int.J.Mod.Phys. E18, 601 (2009)

R.K.Gupta, Niyti, M.Manhas, S.Hofmann, W.Greiner

Role of static deformation and compact orientation of target nucleus in measured fusion, fusion-fission and capture cross-sections of ²⁴⁴Pu + ⁴⁸Ca reaction

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, X), E≈ 31-53 MeV; calculated the fusion evaporation, fusion-fusion and quasi-fission excitation functions, neutron evaporation σ. Dynamical cluster decay model.

doi: 10.1142/S0218301309012744
Citations: PlumX Metrics

2009HE20      Eur.Phys.J. A 41, 145 (2009)

F.P.Hessberger, S.Hofmann, B.Streicher, B.Sulignano, S.Antalic, D.Ackermann, S.Heinz, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, A.G.Popeko, S.Saro, J.Uusitalo, A.V.Yeremin

Decay properties of neutron-deficient isotopes of elements from Z = 101 to Z = 108

NUCLEAR REACTIONS ²⁰⁷Pb(⁵⁴Cr, n), (⁵⁴Cr, 2n), ²⁰⁸Pb(⁵⁸Fe, n), (⁵⁴Cr, 2n), ²⁰⁹Bi(⁵⁴Cr, n), (⁵⁰Ti, n), (⁵⁰Ti, 2n), (⁴⁸Ca, 4n), E not given; measured Eα, Iα, Eγ, (fragment)α-coin, αψ-coin, σ; deduced decay chain properties, T_1/2, levels, J, π. Comparison with other data and calculations.

RADIOACTIVITY ²⁴⁹Md, ²⁵³Lr, ^257,258Db, ^259,260Sg, ²⁶²Bh, ²⁶⁵Hs(α), (SF), (EC); measured Eα, Iα, T_1/2; deduced levels, J, π. Analysis of decay chains and production routes. Comparison with other data and calculations.

doi: 10.1140/epja/i2009-10826-2
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0610. Data from this article have been entered in the XUNDL database. For more information, click here.

2009NA01      Phys.Rev. C 79, 024606 (2009)

A.K.Nasirov, G.Giardina, G.Mandaglio, M.Manganaro, F.Hanappe, S.Heinz, S.Hofmann, A.I.Muminov, W.Scheid

Quasifission and fusion-fission in reactions with massive nuclei: Comparison of reactions leading to the Z = 120 element

NUCLEAR REACTIONS ¹⁴⁴Sm(⁴⁸Ca, xn), E=130-180 MeV; ¹⁵⁴Sm(⁴⁸Ca, xn), $E=125-190 MeV; ¹⁸⁶W(¹⁶O, xn), E not given; ²³⁸U(⁶⁴Ni, xn), E=262-284 MeV; ²⁴⁴Pu(⁵⁸Fe, xn), E=246-271 MeV; ²⁴⁸Cm(⁵⁴Cr, xn), E=230-260 MeV; ²⁴⁹Cf(⁴⁸Ca, xn), E=190-230 MeV; calculated excitation functions, cross sections and yields for evaporation residues, fusion-fission and quasifission fragments using dinuclear system and advanced statistical model. Comparison with experimental data. Discussed suitable reactions for the formation of Z=120 element.

doi: 10.1103/PhysRevC.79.024606
Citations: PlumX Metrics

2009NA38      Bull.Rus.Acad.Sci.Phys. 73, 1476 (2009); Izv.Akad.Nauk RAS, Ser.Fiz. 73, 1571 (2009)

A.K.Nasirov, G.Fazio, S.Hofmann, G.Giardina, A.I.Muminov, G.Mandaglio, M.Manganaro, W.Scheid

Comparison of the characteristics of the fusion-fission and quasifission products in reactions with heavy ions

NUCLEAR REACTIONS ¹⁵⁴Sm(⁴⁸Ca, X), ²⁴⁸Cm(⁵⁴Cr, X), ²⁴⁴Pu(⁵⁸Fe, X), ²³⁸U(⁶⁴Ni, X) E(cm)<280 MeV; analyzed fusion-fission product mass distribution, yields, σ for heavy ion reactions;calculated σ; deduced large value of σ of evaporation residues in the ²⁴⁸Cm + ⁵⁴Cr reaction.

doi: 10.3103/S1062873809110112
Citations: PlumX Metrics

2009PA30      Int.J.Mod.Phys. E18, 1071 (2009)

A.Parkhomenko, S.Hofmann, A.Sobiczewski

Structure effects in the decay of superheavy nuclei

RADIOACTIVITY ²⁶⁹Ds(α); calculated level properties of α decay chain using macroscopic-microscopic approach. Derived characteristic quantities.

doi: 10.1142/S0218301309013270
Citations: PlumX Metrics

2008AN16      Eur.Phys.J. A 38, 219 (2008)

S.Antalic, F.P.Hessberger, S.Hofmann, D.Ackermann, S.Heinz, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, K.Nishio, S.Saro, B.Streicher, B.Sulignano, M.Venhart

Decay studies of neutron-deficient lawrencium isotopes

RADIOACTIVITY ^250,251Md, ^254,255,256Lr(EC), (α) [from ²⁰⁹Bi(⁴⁸Ca, xn), E=214-244 MeV and subsequent decays]; measured Eα, Iα, conversion electrons, Eγ, Iγ, γa-, (ce)a-coin, T_1/2. ²⁵⁰Md; deduced levels, J, π, T_1/2.

NUCLEAR REACTIONS ²⁰⁹Bi(⁴⁸Ca, xn)²⁵⁵Lr/²⁵⁶Lr, E=214, 218 MeV; measured σ.

doi: 10.1140/epja/i2008-10665-7
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2008HE16      Eur.Phys.J. A 38, 227 (2008)

S.Heinz, V.Comas, F.P.Hessberger, S.Hofmann, D.Ackermann, H.G.Burkhard, Z.Gan, J.Heredia, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann, J.Maurer, K.Nishio, B.Sulignano

Di-nuclear systems studied with the velocity filter SHIP

NUCLEAR REACTIONS ²⁰⁶Pb(²⁵Mg, X), E=5.9, 8.7 MeV/nucleon; ²⁰⁷Pb(⁶⁴Ni, X), E=5.9 MeV/nucleon; measured Eα, Iα, product velocity distributions; deduced reaction mechanism features.

doi: 10.1140/epja/i2008-10671-9
Citations: PlumX Metrics

2008KH10      Eur.Phys.J. A 37, 177 (2008)

J.Khuyagbaatar, S.Hofmann, F.P.Hessberger, D.Ackermann, H.G.Burkhard, S.Heinz, B.Kindler, I.Kojouharov, B.Lommel, R.Mann, J.Maurer, K.Nishio, Yu.Novikov

Spontaneous fission of neutron-deficient fermium isotopes and the new nucleus ²⁴¹Fm

NUCLEAR REACTIONS ²⁰⁷Pb(⁴⁰Ar, 3n), E=193 MeV; ²⁰⁸Pb(⁴⁰Ar, 4n), E=201 MeV; ²⁰⁶Pb(⁴⁰Ar, xn)²⁴²Fm/²⁴³Fm/²⁴⁴Fm, E=185-204 MeV; ²⁰⁴Pb(⁴⁰Ar, 3n), E=187-206 MeV; ²⁰⁴Pb(⁴⁰Ar, 2n), E=187 MeV; measured σ, Eγ, Iγ, Eα, αγ-, (recoil)γ-coin following residual nucleus decay. Non observance of ²⁴²Fm nor K-isomers in ^{241,242,243,244}Fm. Comparison with HIVAP calculations.

RADIOACTIVITY ²⁴²Fm(α), (SF), ^241,243,244Fm(EC), (α), (SF) [from ^{204,206,207,208}Pb(⁴⁰Ar, X)]; measured Eα, Eγ, αγ-coin, T_1/2, branching ratio, total kinetic energy, SF hindrance factors. Non observance of ²⁴²Fm. Comparison with T_1/2 calculations. ^{236,237,238,239}Fm(SF); calculated T_1/2.

doi: 10.1140/epja/i2008-10608-4
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2008KI10      Nucl.Instrum.Methods Phys.Res. A590, 126 (2008)

B.Kindler, D.Ackermann, W.Hartmann, F.P.Hessberger, S.Hofmann, A.Hubner, B.Lommel, R.Mann, J.Steiner

Uranium fluoride and metallic uranium as target materials for heavy-element experiments at SHIP

doi: 10.1016/j.nima.2008.02.031
Citations: PlumX Metrics

2008NI07      Phys.Rev. C 77, 064607 (2008)

K.Nishio, H.Ikezoe, S.Mitsuoka, I.Nishinaka, Y.Nagame, Y.Watanabe, T.Ohtsuki, K.Hirose, S.Hofmann

Effects of nuclear orientation on the mass distribution of fission fragments in the reaction of ³⁶S+²³⁸U

NUCLEAR REACTIONS ²³⁸U(³⁶S, X), E=163-208 MeV; measured emission angles, σ, mass distributions of fission products. Comparison with coupled channels calculations.

doi: 10.1103/PhysRevC.77.064607
Citations: PlumX Metrics

2008RA03      Phys.Rev.Lett. 100, 012501 (2008)

C.Rauth, D.Ackermann, K.Blaum, M.Block, A.Chaudhuri, Z.Di, S.Eliseev, R.Ferrer, D.Habs, F.Herfurth, F.P.Hessberger, S.Hofmann, H.-J.Kluge, G.Maero, A.Martin, G.Marx, M.Mukherjee, J.B.Neumayr, W.R.Plass, S.Rahaman, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, G.Vorobjev, C.Weber

First Penning Trap Mass Measurements beyond the Proton Drip Line

ATOMIC MASSES ^{144,145,146,147}Ho, ^147,148Tm; measured masses using the SHIPTRAP penning trap mass spectrometer.

doi: 10.1103/PhysRevLett.100.012501
Citations: PlumX Metrics

2008TH05      Eur.Phys.J. A 36, 227 (2008)

C.Thierfelder, P.Schwerdtfeger, F.P.Hessberger, S.Hofmann

Dirac-Hartree-Fock studies of X-ray transitions in meitnerium

ATOMIC PHYSICS ⁵⁹Co, ¹⁰³Rh, ¹⁹³Ir, ²⁴³Cf, ²⁴³Es, ^251,253Fm, ²⁵³Md, ²⁵³No, ²⁵⁵Lr, ²⁵⁷Rf, ²⁶⁸Mt; Z=106-112; calculated E(K X-ray) using a Dirac-Hartree-Fock model. Comparison with data.

doi: 10.1140/epja/i2008-10584-7
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2007AN19      Acta Phys.Pol. B38, 1557 (2007)

S.Antalic, A.N.Andreyev, D.Ackermann, L.Bianco, D.Cullen, I.Darby, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, B.Kindler, I.Kojouharov, A.-P.Leppanen, S.R.Lesher, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, R.D.Page, J.Pakarinen, J.J.Ressler, S.Saro, B.Streicher, B.Sulignano, J.Thomson, P.Van Duppen, M.Venhart, D.Wiseman, R.Wyss

The New Isotopes in Po-Rn Region

NUCLEAR REACTIONS ¹⁴⁴Sm(⁴⁶Ti, 3n)¹⁸⁷Po, E=224 MeV; ¹⁴⁴Sm(⁵²Cr, X)^193,194Rn, E=232, 252 meV; measured Eα. ¹⁸⁷Po, ^193,194Rn deduced levels.

2007BA58      Eur.Phys.J. D 45, 99 (2007)

H.Backe, P.Kunz, W.Lauth, A.Dretzke, R.Horn, T.Kolb, M.Laatiaoui, M.Sewtz, D.Ackermann, M.Block, F.Herfurth, F.P.Hessberger, S.Hofmann, R.Mann

Towards optical spectroscopy of the element nobelium (Z = 102) in a buffer gas cell

doi: 10.1140/epjd/e2007-00198-1
Citations: PlumX Metrics

2007BL16      Eur.Phys.J. D 45, 39 (2007)

M.Block, D.Ackermann, K.Blaum, A.Chaudhuri, Z.Di, S.Eliseev, R.Ferrer, D.Habs, F.Herfurth, F.P.Hessberger, S.Hofmann, H.-J.Kluge, G.Maero, A.Martin, G.Marx, M.Mazzocco, M.Mukherjee, J.B.Neumayr, W.R.Plass, W.Quint, S.Rahaman, C.Rauth, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, G.Vorobjev, C.Weber

Towards direct mass measurements of nobelium at SHIPTRAP

doi: 10.1140/epjd/e2007-00189-2
Citations: PlumX Metrics

2007HO14      Int.J.Mod.Phys. E16, 937 (2007)

S.Hofmann, D.Ackermann, S.Antalic, H.G.Burkhard, V.F.Comas, R.Dressler, Z.Gan, S.Heinz, J.A.Heredia, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, A.G.Popeko, S.Saro, H.J.Schott, B.Streicher, B.Sulignano, J.Uusitalo, A.V.Yeremin

Studies of superheavy elements at SHIP

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, X), E=233.3-239.3 MeV; measured Eα from spontaneous fission.

doi: 10.1142/S021830130700640X
Citations: PlumX Metrics

2007HO18      Eur.Phys.J. A 32, 251 (2007)

S.Hofmann, D.Ackermann, S.Antalic, H.G.Burkhard, V.F.Comas, R.Dressler, Z.Gan, S.Heinz, J.A.Heredia, F.P.Hessberger, J.Khuyagbaatar, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, A.G.Popeko, S.Saro, H.J.Schott, B.Streicher, B.Sulignano, J.Uusitalo, M.Venhart, A.V.Yeremin

The reaction ⁴⁸Ca + ²³⁸U → ²⁸⁶112^* studied at the GSI-SHIP

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, X), E=233.3-239.3 MeV; measured σ, Eα, (recoil)α-coin following residual nucleus decay; deduced evidence for ²⁸⁶Cn.

RADIOACTIVITY ²⁸³Cn(α), (SF) [from ²³⁸U(⁴⁸Ca, X)]; measured Eα, (recoil)α-coin, T_1/2.

doi: 10.1140/epja/i2007-10373-x
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0895. Data from this article have been entered in the XUNDL database. For more information, click here.

2007HO24      J.Nucl.Radiochem.Sci. 8, 73 (2007)

S.Hofmann, H.Ikezoe, F.P.Hessberger, D.Ackermann, S.Antalic, V.F.Comas, Z.Gan, S.Heinz, J.A.Heredia, J.Khuyagbaatar, B.Kindler, I.Kojouharov, P.Kuusiniemi, B.Lommel, M.Mazzocco, S.Mitsuoka, Y.Nagame, T.Ohtsuki, A.G.Popeko, S.Saro, H.J.Schott, B.Sulignano, A.Svirikhin, K.Tsukada, K.Tsuruta, A.V.Yeremin

Measurement of Evaporation Residue and Fission Cross Sections of the Reaction ³⁰Si + ²³⁸U at Subbarrier Energies

NUCLEAR REACTIONS ²³⁸U(³⁰Si, X), E=140-183 MeV; measured fission fragment energy and mass distributions, fission cross sections. Compared results to model calculations.

2007KH22      Eur.Phys.J. A 34, 355 (2007)

J.Khuyagbaatar, S.Hofmann, F.P.Hessberger, D.Ackermann, S.Antalic, H.G.Burkhard, S.Heinz, B.Kindler, A.F.Lisetskiy, B.Lommel, R.Mann, K.Nishio, H.J.Schott, B.Sulignano

Isomeric states in ²¹⁴Th and ²¹³Th

NUCLEAR REACTIONS ¹⁶⁴Dy(⁵⁴Cr, X)²¹³Th/²¹⁴Th, E=246, 258 MeV; measured σ, Eγ, Iγ, αγ-coin following residual nucleus decay. ^213,214Th deduced levels, J, π, T_1/2.

NUCLEAR STRUCTURE ^214,216Th, ^212,214Ra, ^210,212Rn, ^208,210Po; analyzed levels, J, π, B(E2) using shell model.

doi: 10.1140/epja/i2007-10512-5
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1647. Data from this article have been entered in the XUNDL database. For more information, click here.

2007MA92      Eur.Phys.J. A 34, 341 (2007)

A.Martin, D.Ackermann, G.Audi, K.Blaum, M.Block, A.Chaudhuri, Z.Di, S.Eliseev, R.Ferrer, D.Habs, F.Herfurth, F.P.Hessberger, S.Hofmann, H.-J.Kluge, M.Mazzocco, M.Mukherjee, J.B.Neumayr, Yu.Novikov, W.Plass, S.Rahaman, C.Rauth, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, G.Vorobjev, C.Weber

Mass measurements of neutron-deficient radionuclides near the end-point of the rp-process with SHIPTRAP

ATOMIC MASSES ^99,101,103Ag, ^{101,102,103,104}Cd, ^{102,103,104,105}In, ^105,106Sn, ^107,109,111Sb, ^{109,110,111,112}Te, ^111,112,113I, ¹¹³Xe; measured and evaluated masses using the SHIPTRAP Penning trap mass spectrometer. ¹⁰⁴Sn, ¹⁰⁵Sb, ¹⁰⁸Te, ¹⁰⁹I, ¹¹²Xe, ¹¹³Cs; evaluated masses.

NUCLEAR STRUCTURE ^{102,103,104,105}In, ^104,105,106Sn, ^105,106,107Sb, ¹⁰⁹I; deduced proton separation energies from mass measurements using the SHIPTRAP facility.

doi: 10.1140/epja/i2007-10520-5
Citations: PlumX Metrics

2007RA37      Eur.Phys.J. Special Topics 150, 329 (2007)

C.Rauth, D.Ackermann, G.Audi, M.Block, A.Chaudhuri, S.Eliseev, F.Herfurth, F.P.Hessberger, S.Hofmann, H.-J.Kluge, A.Martin, G.Marx, M.Mukherjee, J.B.Neumayr, W.R.Plass, S.Rahaman, D.Rodriguez, L.Schweikhard, P.G.Thirolf, G.Vorobjev, C.Weber

Direct mass measurements around A=146 at SHIPTRAP

ATOMIC MASSES ^143,147Tb, ^{143,144,145,146,147,148}Dy, ^{144,145,146,147,148}Ho, ^146,147,148Er, ^147,148Tm; measured masses using the SHIPTRAP penning trap mass spectrometer. Compared results to previous results.

doi: 10.1140/epjst/e2007-00339-8
Citations: PlumX Metrics

2007ST12      Acta Phys.Pol. B38, 1561 (2007)

B.Streicher, S.Antalic, S.Saro, M.Venhart, F.P.Hessberger, S.Hofmann, D.Ackermann, B.Kindler, I.Kojouharov, B.Lommel, R.Mann, B.Sulignano, P.Kuusiniemi

Alpha-Gamma Decay Studies of ²⁶¹Sg

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁴Cr, X)²⁶¹sg, e=4.70-5.17 MeV/nucleon; measured Eγ, EX, Eα, αγ-coinc. ²⁶¹Sg deduced levels, J, π.

2007SU19      Eur.Phys.J. A 33, 327 (2007)

B.Sulignano, S.Heinz, F.P.Hessberger, S.Hofmann, D.Ackermann, S.Antalic, B.Kindler, I.Kojouharov, P.Kuusiniemi, B.Lommel, R.Mann, K.Nishio, A.G.Popeko, S.Saro, B.Streicher, M.Venhart, A.V.Yeremin

Identification of a K isomer in ²⁵²No

NUCLEAR REACTIONS ²⁰⁶Pb(⁴⁸Ca, 2n)²⁵²No, E(cm)=173.6-177 MeV; measured Eγ, Iγ, γγ-coinc. ²⁵²No deduced levels, J, π.

doi: 10.1140/epja/i2007-10469-3
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2006AN04      Phys.Rev. C 73, 024317 (2006)

A.N.Andreyev, S.Antalic, D.Ackermann, S.Franchoo, F.P.Hessberger, S.Hofmann, M.Huyse, I.Kojouharov, B.Kindler, P.Kuusiniemi, S.R.Lesher, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, R.D.Page, J.J.Ressler, B.Streicher, S.Saro, B.Sulignano, P.Van Duppen, D.R.Wiseman

α-decay spectroscopy of the new isotope ¹⁹²At

NUCLEAR REACTIONS ¹⁴⁴Sm(⁵¹V, X), E=230 MeV; measured Eγ, Eα, (recoil)α-, αα-, αγ-coin following residual nucleus decay; deduced evidence for ¹⁹²At.

RADIOACTIVITY ^192,192mAt(α) [from ¹⁴⁴Sm(⁵¹V, 3n)]; measured Eα, Eγ, αγ-coin, T_1/2; deduced isomeric states energies, configurations.

doi: 10.1103/PhysRevC.73.024317
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2006AN11      Phys.Rev. C 73, 044324 (2006)

A.N.Andreyev, S.Antalic, D.Ackermann, S.Franchoo, F.P.Hessberger, S.Hofmann, M.Huyse, I.Kojouharov, B.Kindler, P.Kuusiniemi, S.R.Lesher, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, R.D.Page, J.J.Ressler, B.Streicher, S.Saro, B.Sulignano, P.Van Duppen, D.Wiseman, R.Wyss

α-decay of the new isotope ¹⁸⁷Po: Probing prolate structures beyond the neutron mid-shell at N = 104

NUCLEAR REACTIONS ¹⁴⁴Sm(⁴⁶Ti, 3n), (⁴⁶Ti, 2np), E=224 MeV; measured Eγ, Eα, (recoil)α-coin following residual nucleus decay; deduced production σ. Recoil velocity filter.

RADIOACTIVITY ¹⁸⁷Po, ^187,187mBi, ^183mTl(α) [from ¹⁴⁴Sm(⁴⁶Ti, xnyp) and subsequent decay]; measured Eγ, Eα, T_1/2; deduced hindrance factors. ¹⁸⁷Po, ¹⁸³Pb, ¹⁸⁷Bi, ¹⁸³Tl deduced levels, J, π, configurations, deformation.

doi: 10.1103/PhysRevC.73.044324
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2006AN13      Acta Phys.Slovaca 56, 87 (2006)

S.Antalic, B.Streicher, F.P.Hessberger, S.Hofmann, D.Ackermann, S.Saro, B.Sulignano

Synthesis and properties of the heaviest elements

NUCLEAR REACTIONS ²⁰⁹Bi(⁴⁰Ar, xn), (⁴⁸Ca, xn), E ≈ 5 MeV/nucleon; measured delayed Eγ, Eα, αγ-coin; deduced evidence for ^246,247Md, ²⁵⁵Lr. ²⁰⁸Pb(⁵⁴Cr, n), (⁵⁴Cr, 2n), E^* ≈ 12-35 MeV; measured excitation functions.

RADIOACTIVITY ^247,251Md, ²⁴³Es, ²⁵⁵Lr, ²⁶¹Sg(α); measured Eγ, Eα, T_1/2. ²⁵⁷Rf, ²⁵¹Md, ^243,247Es deduced levels, J, π.

2006AN36      Phys.Rev.C 74, 064303 (2006)

A.N.Andreyev, S.Antalic, M.Huyse, P.Van Duppen, D.Ackermann, L.Bianco, D.M.Cullen, I.G.Darby, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, I.Kojouharov, B.Kindler, A.-P.Leppanen, B.Lommel, R.Mann, G.Munzenberg, J.Pakarinen, R.D.Page, J.J.Ressler, S.Saro, B.Streicher, B.Sulignano, J.Thomson, R.Wyss

α decay of the new isotopes ^{193, 194}Rn

RADIOACTIVITY ^193,194Rn(α) [from ¹⁴⁴Sm(⁵²Cr, xn)]; measured Eα, Iα, T_1/2; deduced deformation effects.

NUCLEAR REACTIONS ¹⁴⁴Sm(⁵²Cr, 2n), (⁵²Cr, 3n), E=231-252 MeV; measured production σ. Velocity filter.

doi: 10.1103/PhysRevC.74.064303
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2006HE20      Eur.Phys.J. A 29, 165 (2006)

F.P.Hessberger, S.Hofmann, D.Ackermann, S.Antalic, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, K.Nishio, A.G.Popeko, B.Sulignano, S.Saro, B.Streicher, M.Venhart, A.V.Yeremin

Alpha-gamma decay studies of ²⁵⁵No

RADIOACTIVITY ²⁵⁵No(α) [from ²⁰⁸Pb(⁴⁸Ca, n), ²⁰⁹Bi(⁴⁸Ca, 2n), ²³⁸U(²²Ne, 5n)]; measured Eα, Eγ, αγ-coin, T_1/2. ²⁵¹Fm deduced levels, J, π. Level systematics in neighboring nuclides discussed.

doi: 10.1140/epja/i2006-10083-y
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2006HE27      Eur.Phys.J. A 30, 561 (2006)

F.P.Hessberger, S.Hofmann, D.Ackermann, S.Antalic, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, K.Nishio, A.G.Popeko, B.Sulignano, S.Saro, B.Streicher, M.Venhart, A.V.Yeremin

Alpha-gamma decay studies of ²⁵⁵Rf, ²⁵¹No and ²⁴⁷Fm

RADIOACTIVITY ²⁵⁵Rf, ²⁵¹No, ²⁴⁷Fm(α) [from ²⁰⁷Pb(⁵⁰Ti, 2n), ²⁰⁶Pb(⁴⁸Ca, 3n), and subsequent decay]; measured Eγ, Eα, αγ-, γγ-coin. ²⁴³Cf, ²⁴⁷Fm, ²⁵¹No deduced levels, J, π, ICC, isomeric states features. Velocity filter.

doi: 10.1140/epja/i2006-10137-2
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2006HO29      J.Nucl.Radiochem.Sci. 7, R25 (2006)

S.Hofmann, D.Ackermann, S.Antalic, H.G.Burkhard, R.Dressler, F.P.Hessberger, B.Kindler, I.Kojouharov, P.Kuusiniemi, M.Leino, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, A.G.Popeko, S.Saro, H.J.Schott, B.Streicher, B.Sulignano, J.Uusitalo, A.V.Yeremin

Study of Superheavy Elements at the GSI-SHIP

NUCLEAR REACTIONS ²³⁸U(⁴⁸Ca, X)²⁸⁶Cn, E=34.5 MeV; measured reaction products; deduced σ, T_1/2. Comparison with available data. SHIP separator.

doi: 10.14494/jnrs2000.7.R25
Citations: PlumX Metrics

2006KU26      Eur.Phys.J. A 30, 551 (2006)

P.Kuusiniemi, F.P.Hessberger, D.Ackermann, S.Antalic, S.Hofmann, K.Nishio, B.Sulignano, I.Kojouharov, R.Mann

Studies of ^{213g, m}Ra and ^{214g, m}Ra by α and γ decay

RADIOACTIVITY ^{213,213m,214,214m}Ra(α) [from ¹⁷⁰Er(⁴⁸Ca, xn), (⁵⁰Ti, 3n) and subsequent decay]; measured Eγ, Eα, αγ-, γγ-coin, T_1/2. ^209,210Rn deduced levels, J, π, ICC. Velocity filter.

doi: 10.1140/epja/i2006-10148-y
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2006NI10      Eur.Phys.J. A 29, 281 (2006)

K.Nishio, S.Hofmann, F.P.Hessberger, D.Ackermann, S.Antalic, V.F.Comas, Z.Gan, S.Heinz, J.A.Heredia, H.Ikezoe, J.Khuyagbaatar, B.Kindler, I.Kojouharov, P.Kuusiniemi, B.Lommel, R.Mann, M.Mazzocco, S.Mitsuoka, Y.Nagame, T.Ohtsuki, A.G.Popeko, S.Saro, H.J.Schott, B.Sulignano, A.Svirikhin, K.Tsukada, K.Tsuruta, A.V.Yeremin

Measurement of evaporation residue cross-sections of the reaction ³⁰Si + ²³⁸U at subbarrier energies

NUCLEAR REACTIONS ²³⁸U(³⁰Si, F), (³⁰Si, 3n), (³⁰Si, 4n), (³⁰Si, 5n), E=145.5, 151.2, 163.5 MeV; measured fission and evaporation residue σ.

RADIOACTIVITY ^263,265Sg, ²⁵⁹Rf, ²⁵⁵No(α) [from ²³⁸U(³⁰Si, xn) and subsequent decay]; measured Eα, T_1/2. ^262,264Sg, ²⁶¹Rf(SF) [from ²³⁸U(³⁰Si, xn) and subsequent decay]; measured T_1/2, fission fragments kinetic energy.

doi: 10.1140/epja/i2006-10091-y
Citations: PlumX Metrics

2006RA38      Int.J. Mass Spectrom. 251, 146 (2006)

S.Rahaman, M.Block, D.Ackermann, D.Beck, A.Chaudhuri, S.Eliseev, H.Geissel, D.Habs, F.Herfurth, F.P.Hessberger, S.Hofmann, G.Marx, M.Mukherjee, J.B.Neumayr, M.Petrick, W.R.Plass, W.Quint, C.Rauth, D.Rodriguez, C.Scheidenberger, L.Schweikhard, P.G.Thirolf, C.Weber

On-line commissioning of SHIPTRAP

ATOMIC MASSES ^147,148Er, ¹⁴⁷Ho; measured masses and time of flight using the Penning-trap mass spectrometer SHIPTRAP. Nuclides produced at SHIP facility.

doi: 10.1016/j.ijms.2006.01.049
Citations: PlumX Metrics

2005AN17      Phys.Rev. C 72, 014612 (2005)

A.N.Andreyev, D.Ackermann, S.Antalic, I.G.Darby, S.Franchoo, F.P.Hessberger, S.Hofmann, M.Huyse, P.Kuusiniemi, B.Lommel, B.Kindler, R.Mann, G.Munzenberg, R.D.Page, S.Saro, B.Sulignano, B.Streicher, K.Van de Vel, P.Van Duppen, D.R.Wiseman

Cross section systematics for the lightest Bi and Po nuclei produced in complete fusion reactions with heavy ions

NUCLEAR REACTIONS ¹⁴²Nd(⁵²Cr, 3n), (⁵²Cr, 4n), (⁵²Cr, 5n), (⁵²Cr, 6n), (⁵²Cr, np), (⁵²Cr, 2np), (⁵²Cr, 3np), (⁵²Cr, 4np), (⁵²Cr, 5np), (⁵²Cr, 6np), E=220-310 MeV; ¹⁴²Nd(⁵⁰Cr, 3n), (⁵⁰Cr, 4n), (⁵⁰Cr, 2np), (⁵⁰Cr, 3np), (⁵⁰Cr, 4np), (⁵⁰Cr, 5np), E=230-285 MeV; ⁹²Mo(⁹⁸Mo, 2np), (⁹⁸Mo, 3np), E=427-460 MeV; ⁹³Nb(⁹⁵Mo, n), (⁹⁵Mo, 2n), (⁹⁵Mo, 3n), (⁹⁵Mo, p), (⁹⁵Mo, np), (⁹⁵Mo, 2np), (⁹⁵Mo, 3np), (⁹⁵Mo, 4np), E=375-456 MeV; ⁹³Nb(⁹⁴Mo, 2n), (⁹⁴Mo, 3n), (⁹⁴Mo, np), (⁹⁴Mo, 2np), (⁹⁴Mo, 3np), E=405-450 MeV; ¹⁴⁴Sm(⁴⁶Ti, 3n), (⁴⁶Ti, 4n), E=202-242 MeV; measured σ. Velocity filter, comparison with statistical model predictions.

doi: 10.1103/PhysRevC.72.014612
Citations: PlumX Metrics