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NSR database version of April 11, 2024.

Search: Author = B.Kindler

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2024KH02      Phys.Rev. C 109, 034311 (2024)

J.Khuyagbaatar, R.A.Cantemir, Ch.E.Dullmann, E.Jager, B.Kindler, J.Krier, N.Kurz, B.Lommel, B.Schausten, A.Yakushev

Decay properties of the neutron-deficient isotope 242Es

doi: 10.1103/PhysRevC.109.034311
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2023CO04      Phys.Rev. C 107, L021301 (2023)

D.M.Cox, A.Saamark-Roth, D.Rudolph, L.G.Sarmiento, R.M.Clark, J.L.Egido, P.Golubev, J.Heery, A.Yakushev, S.AAberg, H.M.Albers, M.Albertsson, M.Block, H.Brand, T.Calverley, R.Cantemir, B.G.Carlsson, Ch.E.Dullmann, J.Eberth, C.Fahlander, U.Forsberg, J.M.Gates, F.Giacoppo, M.Gotz, S.Gotz, R.-D.Herzberg, Y.Hrabar, E.Jager, D.Judson, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, L.Lens, J.Ljungberg, B.Lommel, J.Louko, C.-C.Meyer, A.Mistry, C.Mokry, P.Papadakis, E.Parr, J.L.Pore, I.Ragnarsson, J.Runke, M.Schadel, H.Schaffner, B.Schausten, D.A.Shaughnessy, P.Thorle-Pospiech, N.Trautmann, J.Uusitalo

Spectroscopy along flerovium decay chains. II. Fine structure in odd-A 289Fl

RADIOACTIVITY 289Fl(α) [from 244Pu(48Ca, X), E=6.02 MeV/nucleon]; 285Cn(α) [from 289Fl(α)]; 281Ds(α) [from 285Cn(α)]; 277Hs(SF) [from 281Ds(α)]; measured decay products, Eα, Iα, Eβ, Iβ αβ-coin, αα-coin, (fragment)αα-coin; deduced Q-values, T1/2, branching ratios, hindrance factor. 289Fl, 285Cn, 281Ds; deduced J, π and δ assignments based on the derived decay path. Comparison with structure calculations based on the symmetry-conserving configuration mixing theory. Gas-filled recoil separator TASCA was used to transmit, select, and focus the flerovium ions into an upgraded version of the TASISpec decay station consisting of implantation DSSD, veto DSSD and set of HPGe detectors (GSI).

doi: 10.1103/PhysRevC.107.L021301
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2023JE01      Phys.Lett. B 837, 137641 (2023)

D.Y.Jeung, D.J.Hinde, M.Dasgupta, C.Simenel, E.C.Simpson, K.J.Cook, H.M.Albers, J.Buete, I.P.Carter, Ch.E.Dullmann, J.Khuyagbaatar, B.Kindler, N.Lobanov, B.Lommel, C.Mokry, E.Prasad, J.Runke, C.Sengupta, J.F.Smith, P.Thorle-Pospiech, N.Trautmann, K.Vo-Phuoc, J.Walshe, E.Williams, A.Yakushev

Sequential fission and the influence of 208Pb closed shells on the dynamics of superheavy element synthesis reactions

NUCLEAR REACTIONS 238U, 244Pu, 248Cm, 249Cf(50Ti, F), E ∼ 230 MeV; measured fission fragments. 208Pb; deduced σ, binary quasifission mass spectra, sequential fission survival probabilities. The ANU Heavy Ion Accelerator Facility.

doi: 10.1016/j.physletb.2022.137641
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2023LO03      Eur.Phys.J. A 59, 14 (2023)

B.Lommel, C.E.Dullmann, B.Kindler, D.Renisch

Status and developments of target production for research on heavy and superheavy nuclei and elements

doi: 10.1140/epja/s10050-023-00919-7
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2023SA03      Phys.Rev. C 107, 024301 (2023)

A.Saamark-Roth, D.M.Cox, D.Rudolph, L.G.Sarmiento, M.Albertsson, B.G.Carlsson, J.L.Egido, P.Golubev, J.Heery, A.Yakushev, S.AAberg, H.M.Albers, M.Block, H.Brand, T.Calverley, R.Cantemir, R.M.Clark, Ch.E.Dullmann, J.Eberth, C.Fahlander, U.Forsberg, J.M.Gates, F.Giacoppo, M.Gotz, S.Gotz, R.-D.Herzberg, Y.Hrabar, E.Jager, D.Judson, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, L.Lens, J.Ljungberg, B.Lommel, J.Louko, C.-C.Meyer, A.Mistry, C.Mokry, P.Papadakis, E.Parr, J.L.Pore, I.Ragnarsson, J.Runke, M.Schadel, H.Schaffner, B.Schausten, D.A.Shaughnessy, P.Thorle-Pospiech, N.Trautmann, J.Uusitalo

Spectroscopy along flerovium decay chains. III. Details on experiment, analysis, 282Cn, and spontaneous fission branches

RADIOACTIVITY 290,288,286,284Fl(α)(SF) [from 244Pu(48Ca, X), E=6.02 MeV/nucleon]; 282Cn(α)(SF) [286Fl(α)]; 284Cn(α)(SF) [from 288Fl(α)]; 286Cn(α)(SF) [290Fl(α)]; 282Ds(α)(SF) [from 286Cn(α)]; 280Ds(α)(SF) [from 284Cn(α)]; measured decay products, Eα, Iα, Eβ, Iβ αβ-coin, αα-coin, (fragment)αα-coin; deduced Q-values, T1/2, branching ratios, hindrance factor. 282Cn; deduced levels, J, π, T1/2 of excited states, transition rates, monopole transition strengths. Comparison to macroscopic-microscopic finite-range liquid-drop model, self-consistent Hartree-Fock-Bogoliubov calculations and other experimental data. Gas-filled recoil separator TASCA was used to transmit, select, and focus the flerovium ions into an upgraded version of the TASISpec decay station consisting of implantation DSSD, veto DSSD and set of HPGe detectors (GSI).

doi: 10.1103/PhysRevC.107.024301
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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, T1/2, 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
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2022HU09      Phys.Lett. B 833, 137345 (2022)

H.Huang, W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, Z.H.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, J.G.Li, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Yu, F.F.Zeng, X.H.Zhou

First observation of the decay of the 13/2+ isomer in 183Hg and B(M2) systematics of neutron transitions across the nuclear chart

RADIOACTIVITY 183Hg(α) [from 187Pb α decay]; 187mPb(α) [from 142Nd(50Cr, 3n2pγ), E=255 MeV, followed by separation of fragments using Argonne gas-filled analyzer (AGFA) at the ATLAS-ANL facility]; measured reaction products, evaporation residues (EVRs), Eα, Iα, (EVR)α-correlations, αγ(t), Eγ, Iγ, x rays, T1/2 using double-sided silicon strip detector (DSSD), and four HPGe clover detectors. 183,183mHg; deduced levels, isomer, J, π, T1/2 of g.s. and isomer, α branching ratio, K-conversion coefficient, multipolarity, B(M2), Nilsson configurations. 187mPb; deduced T1/2. Systematics of decay schemes of 13/2+ isomers in 175,177,179,181,183,185Hg. Systematics of B(M2) values for 7/2-, 9/2+, 11/2- and 13/2+ isomers in even-Z, odd-N nuclei: 25Mg, 33Si, 33,35S, 37Ar, 39Ca, 59Cr, 61Fe, 63,67Ni, 63,65,67Zn, 67,69,71Ge, 69,71Se, 97,99Mo, 99,101,103Ru, 103,105Pd, 107,109Cd, 109,111,113,115Sn, 153Yb, 161Hf, 163W, 163Os, 171,189,191Pt, 181,183,201,203,205Hg, 209Pb, 205,207,211Po, 207,209,213Rn, 209,211Ra, 211,213Th.

doi: 10.1016/j.physletb.2022.137345
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2022KH08      Phys.Rev. C 106, 024309 (2022)

J.Khuyagbaatar, H.Brand, Ch.E.Dullmann, F.P.Hessberger, E.Jager, B.Kindler, J.Krier, N.Kurz, B.Lommel, Yu.Nechiporenko, Yu.N.Novikov, B.Schausten, A.Yakushev

Search for fission from a long-lived isomer in 250No and evidence of a second isomer

RADIOACTIVITY 250,250mNo(α), (SF)[from 204Pb(48Ca, 2n), E=218.9 MeV, followed by separation of fragments using TASCA system at GSI facility]; measured evaporation residues (ERs), (ER)α- and (ER)(fission events)-correlations, T1/2 of g.s. and two isomers using double-sided silicon strips detectors, and a multiwire proportional counter (MWPC). 250,250mNo; deduced T1/2, upper limit of fission (SF) branching of 23-μs isomer, new shorter-lived high-K isomer. Discussed nonobservation of fission branching of the long-lived isomer, and fission-hindrance factor due to K-quantum number with theoretical predictions from various semiempirical approaches.

doi: 10.1103/PhysRevC.106.024309
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2022ZH22      Phys.Lett. B 829, 137129 (2022)

W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, H.Huang, Z.H.Li, J.G.Li, C.Y.Guo, D.T.Doherty, A.E.Barzakh, P.Van Duppen, J.G.Cubiss, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, B.Ding, Z.Favier, F.Giacoppo, T.H.Huang, X.H.Yu, B.Kindler, F.G.Kondev, T.Lauritsen, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Zhou

First observation of a shape isomer and a low-lying strongly-coupled prolate band in neutron-deficient semi-magic 187Pb

NUCLEAR REACTIONS 142Nd(50Cr, 3n2p)187Pb, E=255 MeV beam from ATLAS-ANL facility, followed by separation of evaporation residues (EVRs) using Argonne Gas-Filled Analyzer; measured Eα, Eγ, Iγ, x rays, αγ-coin, γγ-coin, T1/2 of a new low-energy microsec-isomer by αγ(t) using Gammasphere for γ detection and double-sided silicon strip detector (DSSD) for EVRs and α particles. Recoil-decay tagging (RDT) and isomer-decay tagging (IDT) methods. 187Pb; deduced high-spin levels, J, π, isomer, K-conversion coefficient, multipolarity, bands, B(E2), B(M1)/B(E2), triple-shape coexistence at low energy. Comparison with band structure in 185Hg. Systematics of aligned angular momenta plots and experimental Routhians for bands in 183,185Hg, 187Pb. 184Hg, 186Pb, 187Tl; observed γ rays. 186,187m,188Pb; observed α-decay peaks.

doi: 10.1016/j.physletb.2022.137129
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2022ZH46      Phys.Rev. C 106, 024317 (2022)

W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, H.Huang, Z.H.Li, J.G.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, M.Al Monthery, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, G.S.Li, B.Lommel, H.Y.Lu, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, X.H.Yu, Q.B.Zeng, X.H.Zhou

Identification of excited states in 188Bi and 188Po

NUCLEAR REACTIONS 142Nd(50Cr, 3np)188Bi, (50Cr, 4n)188Po, E=255 MeV; measured evaporation residues (EVRs), Eα, Eγ, Iγ, x rays, (EVR)γ-coin, αγ-coin, γγ-coin, using four clover HPGe detectors, Gammasphere array with 64 Compton-suppressed HPGe detectors, and DSSD and DSSD+Sibox at the ATLAS-ANL accelerator facility. 186,187,187m,188Pb, 189,189mBi; deduced recoil-decay tagging (RDT) γ-ray yields. 188Bi; deduced levels, J, π, isomer, T1/2 and decay modes of isomer, K-conversion coefficients, multipolarities, configurations. 188Po; deduced energy of the first 2+ level. 186Pb; deduced levels, J, π. 183,184,186Hg, 186,187,187m,188Pb, 188,189,189mBi; observed Eα. Systematics of 9/2-, 1/2+, 7/2- and 13/2+ level energies in 185,187,189,191,193,195Bi, and those of first 2+, 4+, 6+ and 8+, second 0+, 2+ and 4+ in 188,190,192,194,196,198,200,202,204,206,208,210Po.

doi: 10.1103/PhysRevC.106.024317
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2021BA41      Phys.Lett. B 820, 136601 (2021)

K.Banerjee, D.J.Hinde, M.Dasgupta, J.Sadhukhan, E.C.Simpson, D.Y.Jeung, C.Simenel, B.M.A.Swinton-Bland, E.Williams, L.T.Bezzina, I.P.Carter, K.J.Cook, H.M.Albers, Ch.E.Dullmann, J.Khuyagbaatar, B.Kindler, B.Lommel, C.Mokry, E.Prasad, J.Runke, N.Schunck, C.Sengupta, J.F.Smith, P.Thorle-Pospiech, N.Trautmann, K.Vo-Phuoc, J.Walshe, A.Yakushev

Sensitive search for near-symmetric and super-asymmetric fusion-fission of the superheavy element Flerovium (Z=114)

NUCLEAR REACTIONS 208Pb, 244Pu(48Ca, X), 232Th(54Cr, X)Fl, E not given; analyzed available data; deduced masses, σ(θ). Comparison with microscopic calculations of Helmholtz free energy surfaces (FES).

doi: 10.1016/j.physletb.2021.136601
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2021KH03      Phys.Rev. C 103, 064303 (2021)

J.Khuyagbaatar, H.Brand, R.A.Cantemir, Ch.E.Dullmann, M.Gotz, S.Gotz, F.P.Hessberger, E.Jager, B.Kindler, J.Krier, N.Kurz, B.Lommel, B.Schausten, A.Yakushev

Isomeric states in 256Rf

RADIOACTIVITY 256mRf(IT)[from 207,208Pb(50Ti, xn), E=237.5, 242.5 MeV at the Trans-Actinide Separator and Chemistry Apparatus (TASCA) at GSI and implanted in double-sided silicon strip detector (DSSD)]; measured evaporation residues (ER) and fission (ER-FI) and ER-conversion electrons-fission (ER-CE-FI) correlated events, half-lives of the two isomers from correlated decay curves by a triggerless method. 256Rf; deduced two isomeric activities a low-spin and a high-spin, population rates, two-quasiparticle configurations with K-quantum number assignments, third isomer in 256Rf in earlier literature not observed perhaps due to low statistics.

doi: 10.1103/PhysRevC.103.064303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8037. Data from this article have been entered in the XUNDL database. For more information, click here.


2021KH07      Phys.Rev. C 104, L031303 (2021)

J.Khuyagbaatar, H.Brand, R.A.Cantemir, Ch.E.Dullmann, F.P.Hessberger, E.Jager, B.Kindler, J.Krier, N.Kurz, B.Lommel, B.Schausten, A.Yakushev

Spontaneous fission instability of the neutron-deficient No and Rf isotopes: The new isotope 249No

RADIOACTIVITY 253,253mRf(SF); 253Rf, 249No(α)[253Rf from 204Pb(50Ti, n), E=234.3 MeV]; measured evaporation residues (ERs), (ER)(fission)- and (ER)α-correlated events, Eα, Iα, partial half-lives of two fission activities of 253Rf, α-decay half-life of newly discovered 249No isotope from the α decay mode of 253Rf in (ER)-α-α-α correlated events using gas-filled TransActinide Separator and Chemistry Apparatus (TASCA) at UNILAC, GSI. 253Rf; deduced another high-lying ≈0.6-μs isomer. 251mNo; discussed in Supplemental Material of the paper a possible identification method for direct fission from an isomeric state in 251No. Presence of two fission activities in 253Rf proposed as benchmark cases for the theoretical description of the influence of single-particle orbitals on the fission process.

doi: 10.1103/PhysRevC.104.L031303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8039. Data from this article have been entered in the XUNDL database. For more information, click here.


2021SA01      Phys.Rev.Lett. 126, 032503 (2021)

A.Samark-Roth, D.M.Cox, D.Rudolph, L.G.Sarmiento, B.G.Carlsson, J.L.Egido, P.Golubev, J.Heery, A.Yakushev, S.Aberg, H.M.Albers, M.Albertsson, M.Block, H.Brand, T.Calverley, R.Cantemir, R.M.Clark, C.E.Dullmann, J.Eberth, C.Fahlander, U.Forsberg, J.M.Gates, F.Giacoppo, M.Gotz, S.Gotz, R.-D.Herzberg, Y.Hrabar, E.Jager, D.Judson, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, L.Lens, J.Ljungberg, B.Lommel, J.Louko, C.-C.Meyer, A.Mistry, C.Mokry, P.Papadakis, E.Parr, J.L.Pore, I.Ragnarsson, J.Runke, M.Schadel, H.Schaffner, B.Schausten, D.A.Shaughnessy, P.Thorle-Pospiech, N.Trautmann, J.Uusitalo

Spectroscopy along Flerovium Decay Chains: Discovery of 280Ds and an Excited State in 282Cn

RADIOACTIVITY 286,288Fl, 284Cn(α), 282Cn, 280Ds(SF) [from 242,244Pu(48Ca, X)286Fl/288Fl, E=6.021 MeV/nucleon]; measured decay products, Eα, Iα, Eβ, Iβ α-β coin.; deduced Q-values, T1/2, J, π. Comparison with theoretical calculations. The gas-filled separator TASCA at the GSI.

doi: 10.1103/PhysRevLett.126.032503
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2021VI08      Phys.Rev. C 104, 054602 (2021)

A.C.Visakh, E.Prasad, P.V.Laveen, M.Shareef, A.Shamlath, S.Nath, N.Madhavan, J.Gehlot, Gonika, R.Biswas, A.Parihari, J.Khuyagbaatar, B.Lommel, B.Kindler, A.M.Vinodkumar, B.R.S.Babu, S.Sanila, K.M.Varier, S.Appannababu

Fusion studies in 16O + 142, 150Nd reactions at energies near the Coulomb barrier

NUCLEAR REACTIONS 142Nd(16O, X), E=60-104 MeV; 150Nd(16O, X), E=56-104 MeV from the 15-UD Pelletron accelerator at IUAC-New Delhi; measured reaction products using the Heavy Ion Reaction Analyzer (HIRA), with electromagnetic configuration of Q1Q2-ED1-M-MD-ED2-Q3Q4 and two silicon surface barrier detectors (SSBDs), evaporation residues (ERs) using position sensitive multiwire proportional counter (MWPC), two-dimensional ΔE versus ToF spectra, σ(E) for ERs; deduced fusion σ(E). 148Nd(18O, X), 142,144,148Nd(16O, X), E-VB=-10-35 MeV analyzed previous and present experimental measurements for reduced fusion σ(E). Comparison with coupled channels calculations using CCFULL code, and with 1D-BPM predictions using Akyuz-Winther (AW) potential parameters.

doi: 10.1103/PhysRevC.104.054602
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2020BA41      Phys.Rev. C 102, 024603 (2020)

T.Banerjee, D.J.Hinde, D.Y.Jeung, K.Banerjee, M.Dasgupta, A.C.Berriman, L.T.Bezzina, H.M.Albers, Ch.E.Dullmann, J.Khuyagbaatar, B.Kindler, B.Lommel, E.C.Simpson, C.Sengupta, B.M.A.Swinton-Bland, T.Tanaka, A.Yakushev, K.Eberhardt, C.Mokry, J.Runke, P.Thorle-Pospiech, N.Trautmann

Systematic evidence for quasifission in 9Be-, 12C-, and 16O-induced reactions forming 258, 260No

NUCLEAR REACTIONS 238U(9Be, F)247Cm*, E=45-60 MeV; 244U(9Be, F)253Cf*, E=45-60 MeV; 248Cm(9Be, F)257Fm*, E=45-60 MeV; 249Cf(9Be, F)258No*, E=45-60 MeV; 248Cm(12C, F)260No*, E=60.80-89.18 MeV; 244Pu(16O, F)260No*, E=84.90-116.27 MeV; measured fission fragments, fission fragment mass and angular distributions using the CUBE spectrometer consisting of three multiwire proportional counters (MWPCs) at the Heavy Ion Accelerator Facility (HIAF) of the Australian National University; deduced reconstructed fission source velocity distributions, full momentum transfer (FMT) fission differential σ(θ, E), total and FMT fission σ(E), FMT mass-angle distributions (MADs), FMT fission angular anisotropies; analyzed mass-ratio (MR) spectra. 254,256,258,260,262No; deduced spontaneous fission mass-ratio distributions. Comparison with predictions from the transition state model (TSM) calculations for fusion fission reactions.

doi: 10.1103/PhysRevC.102.024603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0983.


2020KH01      Nucl.Phys. A994, 121662 (2020)

J.Khuyagbaatar, A.K.Mistry, D.Ackermann, L.-L.Andersson, M.Block, H.Brand, Ch.E.Dullmann, J.Even, F.P.Hessberger, J.Hoffmann, A.Hubner, E.Jager, B.Kindler, J.Krier, N.Kurz, B.Lommel, B.Schausten, J.Steiner, A.Yakushev, V.Yakusheva

The identification and confirmation of isomeric states in 254Rf and 255Rf through conversion electron detection

NUCLEAR REACTIONS 206Pb(50Ti, 2n), (50Ti, n)254,255Rf, E=252.5, 236.0 MeV pulsed beam from the UNILAC-GSI facility; measured evaporation residues (ERs), decay products, conversion electrons, isomers, T1/2 from (ERs)(fission events)-correlated, and (ERs)(fission events)(electron)-correlated decay curves using the gas-filled separator TASCA with multi-wire proportional counter (MWPC) and double-sided silicon strip detectors(DSSDs). 254,255Rf; deduced T1/2 of the ground states and isomers, production σ. Comparison of measured σ with theoretical calculations using statistical fusion-evaporation code HIVAP.

doi: 10.1016/j.nuclphysa.2019.121662
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8007. Data from this article have been entered in the XUNDL database. For more information, click here.


2020KH08      Phys.Rev.Lett. 125, 142504 (2020)

J.Khuyagbaatar, H.M.Albers, M.Block, H.Brand, R.A.Cantemir, A.Di Nitto, C.E.Dullmann, M.Gotz, S.Gotz, F.P.Hessberger, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, B.Lommel, L.Lens, A.Mistry, B.Schausten, J.Uusitalo, and A.Yakushev

Search for Electron-Capture Delayed Fission in the New Isotope 244Md

RADIOACTIVITY 244,245Md(α), (EC) [from 197Au(50Ti, X), E=239.8, 231.5 MeV]; measured decay products, Eα, Iα; deduced α-particles energies, T1/2. Comparison with available data.

doi: 10.1103/PhysRevLett.125.142504
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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
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2020KH11      Phys.Rev. C 102, 064602 (2020)

J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.K.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.B.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva

Search for elements 119 and 120

NUCLEAR REACTIONS 249Bk, 249Cf(50Ti, X)299119*/299120*, E(average)=281.5 MeV; measured evaporation residues (ERs), Eα, correlated ER-α and ER-α12-SF events using UNILAC accelerator, TASCA separator, and Focal plane detector system (FPDS) consisting of double-sided silicon strip (DSSD) detectors, and Si-strip detectors for position and time correlations of events. 295,296119, 295,296120; deduced no evidence for non-random correlated events related to 3n- or 4n-channel deexcitations of the compound nuclei 299119 and 299120, within a sensitivity limit of one event corresponding to σ=65 fb for 249Bk+50Ti reaction and σ=200 fb for 249Cf+50Ti; discussed nonobservation of Z=119 and 120 superheavy elements within the context of the fusion-evaporation reaction mechanism.

doi: 10.1103/PhysRevC.102.064602
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2020MO10      Acta Phys.Pol. B51, 849 (2020)

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

Isomeric States in 255Rf, 256Rf and 257Rf

doi: 10.5506/APhysPolB.51.849
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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, 258Rf

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
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2019BA26      Phys.Rev.Lett. 122, 232503 (2019)

K.Banerjee, D.J.Hinde, M.Dasgupta, E.C.Simpson, D.Y.Jeung, C.Simenel, B.M.A.Swinton-Bland, E.Williams, I.P.Carter, K.J.Cook, H.M.David, C.E.Dullmann, J.Khuyagbaatar, B.Kindler, B.Lommel, E.Prasad, C.Sengupta, J.F.Smith, K.Vo-Phuoc, J.Walshe, A.Yakushev

Mechanisms Suppressing Superheavy Element Yields in Cold Fusion Reactions

NUCLEAR REACTIONS 208Pb(50Ti, X), (48Ca, X), (54Cr, X), E not given; analyzed available data; deduced projectile impact on drastic fall in the symmetric fission yield, which is reflected in the measured mass-angle distribution by the presence of competing fast nonequilibrium deep inelastic and quasifission processes.

doi: 10.1103/PhysRevLett.122.232503
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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, 256,257,259,260Md, 259No, 262,263Lr(SF), (α); calculated T1/2, SF branching ratio.

doi: 10.1140/epja/i2019-12696-3
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2019KH04      Phys.Rev. C 99, 054306 (2019)

J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva

Fusion reaction 48Ca + 249Bk leading to formation of the element Ts (Z=117)

NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n)293Ts/294Ts, E=252.1, 254.0, 258.0 MeV; measured reaction products, evaporation residues (ER), Eα, Iα, (ER)α-correlated decay chains, and σ using double-sided silicon strip detectors for α detection, TASCA separator for evaporation residue, and multiwire proportional counter for detection of residues at UNILAC accelerator facility of GSI. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility.

RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db(α); 293Ts, 289Mc, 285Nh, 281Rg(α); 266Lr, 270Db, 277Mt, 277Hs(SF); measured Eα, Iα, SF events, half-lives. 266Lr, 270Db(α), (SF); measured half-lives and α/SF branching ratios. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility. A=200-240; A=240-260; systematics of α-decay half-lives of isotopes produced in 48Ca+249Bk and 48Ca+249Cf reactions.

doi: 10.1103/PhysRevC.99.054306
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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
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2018DI11      Phys.Lett. B 784, 199 (2018)

A.Di Nitto, J.Khuyagbaatar, D.Ackermann, L.-L.Andersson, E.Badura, M.Block, H.Brand, I.Conrad, D.M.Cox, Ch.E.Dullmann, J.Dvorak, K.Eberhardt, P.A.Ellison, N.E.Esker, J.Even, C.Fahlander, U.Forsberg, J.M.Gates, P.Golubev, O.Gothe, K.E.Gregorich, W.Hartmann, R.D.Herzberg, F.P.Hessberger, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, S.Klein, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, S.Lahiri, B.Lommel, M.Maiti, R.Mandl, E.Merchan, S.Minami, A.K.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, D.Renisch, D.Rudolph, J.Runke, L.G.Sarmiento, M.Schadel, H.Schaffner, B.Schausten, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, N.Trautmann, A.Turler, J.Uusitalo, D.Ward, M.Wegrzecki, P.Wieczorek, N.Wiehl, A.Yakushev, V.Yakusheva

Study of non-fusion products in the 50Ti + 249Cf reaction

NUCLEAR REACTIONS 249Cf(50Ti, X)211Po/212At/213Rn/214Fr/215Ra/222Ra/221Ra/223Ac/218Rn/224Th/219Fr/223Th/218Rn/219Fr/220Ra/214Po/219Ra/217Rn/215At, E=306 MeV; measured reaction products, Eα, Iα; deduced σ.

doi: 10.1016/j.physletb.2018.07.058
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2018KH05      Phys.Rev. C 97, 064618 (2018)

J.Khuyagbaatar, H.M.David, D.J.Hinde, I.P.Carter, K.J.Cook, M.Dasgupta, Ch.E.Dullmann, D.Y.Jeung, B.Kindler, B.Lommel, D.H.Luong, E.Prasad, D.C.Rafferty, C.Sengupta, C.Simenel, E.C.Simpson, J.F.Smith, K.Vo-Phuoc, J.Walshe, A.Wakhle, E.Williams, A.Yakushev

Nuclear structure dependence of fusion hindrance in heavy element synthesis

NUCLEAR REACTIONS 204,208Pb(48Ti, X), E=240.0, 245.0, 252.2, 259.0, 270.0, 280.0 MeV; 206,208Pb(50Ti, X), E=236.0, 240.0, 252.0, 258.0, 264.0, 270.0, 280.2 MeV; measured reaction products, mass ratio and angular distributions (MAD) of fragments, double differential σ(θ, MR), and widths using CUBE detector array at the Heavy Ion Accelerator Facility of Australian National University. 206Pb(36S, X), (34S, X), (48Ti, X), (50Ti, X), E*=25-60 MeV; calculated mean-squared angular momenta, widths and MR distributions, and compared with experimental data. Discussed impact of nuclear structure on fusion-evaporation reactions.

doi: 10.1103/PhysRevC.97.064618
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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, 258Rf

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
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2018SA45      Phys.Rev. C 98, 044307 (2018)

A.Saamark-Roth, L.G.Sarmiento, D.Rudolph, J.Ljungberg, B.G.Carlsson, C.Fahlander, U.Forsberg, P.Golubev, I.Ragnarsson, D.Ackermann, L.-L.Andersson, M.Block, H.Brand, D.M.Cox, A.Di Nitto, Ch.E.Dullmann, K.Eberhardt, J.Even, J.M.Gates, J.Gerl, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, E.Jager, J.Khuyagbaatar, B.Kindler, I.Kojouharov, J.V.Kratz, J.Krier, N.Kurz, B.Lommel, A.Mistry, C.Mokry, J.P.Omtvedt, P.Papadakis, J.Runke, K.Rykaczewski, M.Schadel, H.Schaffner, B.Schausten, P.Thorle-Pospiech, N.Trautmann, T.Torres, A.Turler, A.Ward, N.Wiehl, A.Yakushev

Low-lying states in 219Ra and 215Rn: Sampling microsecond α-decaying nuclei

RADIOACTIVITY 219Ra(α)[from 243Am(48Ca, X), E=242.1, 245.0 MeV]; measured Eα, Iα, Eγ, Iγ, αγ-coin, α(x ray)-coin, α-α correlations using TASISpec at the TASCA, GSI facility. Pileup analysis and GEANT4 simulation of 219Ra to 215Rn decay. 219,219m,220,221Ra, 215,216,217Rn, 212,213Po, 219Fr, 215At(α); measured half-lives, Qα. 219Ra, 215Rn; deduced levels, J, π, isomer in 219Ra Comparison with shell model calculations and theoretical calculations of deformation, rotational states and α-decay rates, and with evaluated data in the ENSDF database.

doi: 10.1103/PhysRevC.98.044307
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2017KO02      Phys.Lett. B 764, 265 (2017)

J.Konki, J.Khuyagbaatar, J.Uusitalo, P.T.Greenlees, K.Auranen, H.Badran, M.Block, R.Briselet, D.M.Cox, M.Dasgupta, A.Di Nitto, Ch.E.Dullmann, T.Grahn, K.Hauschild, A.Herzan, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, R.Julin, S.Juutinen, E.Jager, B.Kindler, J.Krier, M.Leino, B.Lommel, A.Lopez-Martens, D.H.Luong, M.Mallaburn, K.Nishio, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, K.Rezynkina, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, B.Sulignano, Ch.Theisen, A.Ward, A.Yakushev, V.Yakusheva

Towards saturation of the electron-capture delayed fission probability: The new isotopes 240Es and 236Bk

RADIOACTIVITY 240Es(EC), (α), 236Bk(EC) [from 209Bi(34S, 3n)240Es, E=174, 178 MeV]; measured decay products, Eα, Iα; deduced T1/2, branching ratios, electron-capture delayed fission (ECDF) probability. Comparison with available data.

doi: 10.1016/j.physletb.2016.11.038
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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
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2016FO10      Nucl.Phys. A953, 117 (2016)

U.Forsberg, D.Rudolph, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, C.Fahlander, J.M.Gates, P.Golubev, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, L.G.Sarmiento, M.Schadel, A.Yakushev, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, J.Dobaczewski, K.Eberhardt, J.Even, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, W.Nazarewicz, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, Y.Shi, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl

Recoil-α-fission and recoil-α-α- fission events observed in the reaction 48Ca + 243Am

NUCLEAR REACTIONS 243Am(48Ca, x), E=242.1, 245.0 MeV; measured reaction products, fission products, Eα, Iα(t), αα-coin, (recoil)α-coin, En, In using He-gas filled TASCA, TASISpec based on DSSSDs, other DSSSDs; deduced correlation times, α energy spectra, 23 α-decay chains of five α's and α+3n, fragments T1/2. Discussed existence of long decay chains; compared with published results.

RADIOACTIVITY 289,288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); measured decay products, Eα, Iα; deduced T1/2. Comparison with available data.

doi: 10.1016/j.nuclphysa.2016.04.025
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2016HE08      Eur.Phys.J. A 52, 192 (2016)

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

Alpha- and EC-decay measurements of 257Rf

RADIOACTIVITY 257Rf(α), (EC); measured Eα, Iα, Eγ, Iγ, γα-coin, γα delayed coin, γα correlations, conversion electrons, X-rays using Ge clover detector for γ, ADC, TAC. 257Rf deduced enhanced α-decay scheme, new transition from 70 keV level to 724 level in 253No, possible EC-decay scheme. 253No deduced levels, new E1 γ transition from 724 keV to 167 keV level. 257Lr deduced T1/2. Experimental levels in 245Pu, 247Cm, 249Cf, 251Fm, 253No, 255Rf compared with published calculations for the same nuclei (plus 257Sg).

doi: 10.1140/epja/i2016-16192-0
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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
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2016HE15      Eur.Phys.J. A 52, 328 (2016)

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

Investigation of electron capture decay of 258Db and α decay of 258Rf

RADIOACTIVITY 258Db(EC), 258Rf(α), (SF); measured 258Db K-shell X-rays, Eγ, Iγ(t), CE, (X-ray)(CE)-coin; measured 258Rf spontaneous fission, Eα, Iα; measured delayed coin between 258Db and 258Rf decays; deduced isomeric states, T1/2; deduced 258Rf α branch decay, α branching ratio, mass excess using 254No mass excess. Halflives compared with those measured by different types of correlation, mass excess compared with systematics for e-e nuclei.

doi: 10.1140/epja/i2016-16328-2
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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, Qα, 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
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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
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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, T1/2. 255Rf, 259Sg; deduced isomeric state, T1/2. 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
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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, T1/2. Comparison with available data.

doi: 10.1016/j.physletb.2015.07.006
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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
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2015KA24      Phys.Rev. C 92, 014321 (2015)

Z.Kalaninova, S.Antalic, F.P.Hessberger, D.Ackermann, B.Andel, B.Kindler, M.Laatiaoui, B.Lommel, J.Maurer

Levels in 223Th populated by α decay of 227U

RADIOACTIVITY 227U(α)[from 208Pb(22Ne, 3n), E=104 MeV]; measured reaction products, Eα, Iα, Eγ, Iγ, αγ-coin, αα-correlations at GSI facility. 223Th; deduced levels, J, π, α feedings, α hindrance factors, conversion coefficients, multipolarities. Monte Carlo simulation of α spectrum using GEANT4 code.

doi: 10.1103/PhysRevC.92.014321
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2015KH09      Phys.Rev.Lett. 115, 242502 (2015)

J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.L-.Andersson, M.Block, H.Brand, D.M.Cox, J.Even, U.Forsberg, P.Golubev, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, J.Hoffmann, A.Hubner, E.Jager, J.Jeppsson, b.Kindler, J.V.Kratz, J.Krier, N.Kurz, B.Lommel, M.Maiti, S.Minami, A.K.Mistry, C.M.Mrosek, I.Pysmenetska, D.Rudolph, L.G.Sarmiento, H.Schaffner, M.Schadel, B.Schausten, J.Steiner, T.Torres De Heidenreich, J.Uusitalo, M.Wegrzecki, N.Wiehl, V.Yakusheva

New Short-Lived Isotope 221U and the Mass Surface Near N = 126

RADIOACTIVITY 221,222U, 218Ac(α) [from 176Yb(50Ti, X)221U/222U, E=231-255 MeV]; measured decay products, Eα, Iα. 214,215Ra, 217,218,219Th, 214Fr, 221,222U; deduced T1/2, Q-values. A fast data readout technique, comparison with FRDM95 and HFB26 calculations.

doi: 10.1103/PhysRevLett.115.242502
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2015NI09      Phys.Lett. B 748, 89 (2015)

K.Nishio, A.N.Andreyev, R.Chapman, X.Derkx, Ch.E.Dullmann, L.Ghys, F.P.Hessberger, K.Hirose, H.Ikezoe, J.Khuyagbaatar, B.Kindler, B.Lommel, H.Makii, I.Nishinaka, T.Ohtsuki, S.D.Pain, R.Sagaidak, I.Tsekhanovich, M.Venhart, Y.Wakabayashi, S.Yan

Excitation energy dependence of fragment-mass distributions from fission of 180, 190Hg formed in fusion reactions of 36Ar + 144, 154Sm

NUCLEAR REACTIONS 144,154Sm(36Ar, X)180Hg/190Hg, E=148-198 MeV; measured reaction products; deduced fission fragment mass and total kinetic-energy distributions. Comparison with available data.

doi: 10.1016/j.physletb.2015.06.068
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2015PR07      Phys.Rev. C 91, 064605 (2015)

E.Prasad, D.J.Hinde, K.Ramachandran, E.Williams, M.Dasgupta, I.P.Carter, K.J.Cook, D.Y.Jeung, D.H.Luong, S.McNeil, C.S.Palshetkar, D.C.Rafferty, C.Simenel, A.Wakhle, J.Khuyagbaatar, Ch.E.Dullmann, B.Lommel, B.Kindler

Observation of mass-asymmetric fission of mercury nuclei in heavy ion fusion

NUCLEAR REACTIONS 142Nd(40Ca, X)182Hg*, E=167.7, 194.9, 199.9, 210.0, 221.1 MeV; 182W(13C, X)195Hg*, E=60.0, 63.0, 66.0 MeV; measured fission fragments mass rations and mass-angle distributions using the CUBE spectrometer at 14UD Pelletron facility of ANU-Canberra; deduced mass-asymmetric fission of 182Hg compound nucleus at E*=33.6 MeV, and mass-symmetric fission of 195Hg compound nucleus at all energies.Kinematic reconstruction method. Comparison with results from mass-asymmetric fission of 180Hg in beta-delayed fission process, and with theoretical predictions.

doi: 10.1103/PhysRevC.91.064605
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2015RU11      J.Radioanal.Nucl.Chem. 303, 1185 (2015)

D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl

Selected spectroscopic results on element 115 decay chains

RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); measured decay products, Eα, Iα; deduced Q-values, level energies, branching ratios. Comparison with GEANT4 Monte-Carlo simulations.

doi: 10.1007/s10967-014-3445-y
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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
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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
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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,202,202mFr, 201,201m,202,203,203mRa(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 α12, 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
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2014KH04      Phys.Rev.Lett. 112, 172501 (2014)

J.Khuyagbaatar, A.Yakushev, C.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva

48Ca + 249Bk Fusion Reaction Leading to Element Z=117: Long-Lived α-Decaying 270Db and Discovery of 266Lr

NUCLEAR REACTIONS 249Bk(48Ca, X)294Ts, E=268.3, 270.2, 274.1 MeV; measured reaction products, Eα, Iα; deduced σ. Comparison with experimental data.

RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db, 266Lr(α); measured decay products, Eα, Iα; deduced T1/2. Comparison with experimental data.

doi: 10.1103/PhysRevLett.112.172501
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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
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2014RU04      Acta Phys.Pol. B45, 263 (2014)

D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, R.-D.Herzberg, F.P.Hessberger, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl

Alpha-Photon Coincidence Spectroscopy Along Element 115 Decay Chains

RADIOACTIVITY 287,288Mc, 283,284Nh, 279,280Rg, 275,276Mt, 271,272Bh(α), 267,268Db(SF) [from 243Am(48Ca, X), E not given]; measured decay products, Eα, Iα, Eγ, Iγ, X-rays; deduced T1/2, correlated α-decay chains. Comparison with available data.

doi: 10.5506/APhysPolB.45.263
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2014YA33      Inorg. Chem. 53, 1624 (2014)

A.Yakushev, J.M.Gates, A.Turler, M.Schadel, C.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, K.Eberhardt, H.G.Essel, J.Even, U.Forsberg, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, B.Lommel, L.J.Niewisch, H.Nitsche, J.P.Omtvedt, E.Parr, Z.Qin, D.Rudolph, J.Runke, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl

Superheavy Element Flerovium (Element 114) Is a Volatile Metal

NUCLEAR REACTIONS 244Pu(48Ca, Xn)288Fl/289Fl, E=259.4 MeV; measured reaction products, Eα, Iα; deduced two atoms of flerovium, the observed adsorption behavior of Fl points to a higher inertness compared to its nearest homologue in the group, Pb. However, the measured lower limit for the adsorption enthalpy of Fl on a Au surface points to the formation of a metal-metal bond of Fl with Au. Fl is the least reactive element in the group, but still a metal.

doi: 10.1021/ic4026766
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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, 194At

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, T1/2 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 T1/2.

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
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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 T1/2 for isomeric states.

doi: 10.5506/APhysPolB.44.387
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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 179Tlg175Aug171Irg167Rem

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, T1/2, 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
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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
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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, 64Ni + 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
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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, T1/2 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, 193,194,195,196Po(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
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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, 188Bi 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, T1/2 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
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2013RU11      Phys.Rev.Lett. 111, 112502 (2013)

D.Rudolph, U.Forsberg, P.Golubev, L.G.Sarmiento, A.Yakushev, L.-L.Andersson, A.Di Nitto, Ch.E.Dullmann, J.M.Gates, K.E.Gregorich, C.J.Gross, F.P.Hessberger, R.-D.Herzberg, J.Khuyagbaatar, J.V.Kratz, K.Rykaczewski, M.Schadel, S.Aberg, D.Ackermann, M.Block, H.Brand, B.G.Carlsson, D.Cox, X.Derkx, K.Eberhardt, J.Even, C.Fahlander, J.Gerl, E.Jager, B.Kindler, J.Krier, I.Kojouharov, N.Kurz, B.Lommel, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, P.Papadakis, I.Ragnarsson, J.Runke, H.Schaffner, B.Schausten, P.Thorle-Pospiech, T.Torres, T.Traut, N.Trautmann, A.Turler, A.Ward, D.E.Ward, N.Wiehl

Spectroscopy of Element 115 Decay Chains

RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α) [from 243Am(48Ca, X), E=5.4 MeV/nucleon]; measured decay products, Eα, Iα, Eγ, Iγ, X-rays. 280Rg, 276Mt; deduced T1/2, Q-value, α-decay scheme. Comparison with Monte Carlo calculations.

doi: 10.1103/PhysRevLett.111.112502
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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) T1/2 as function of peaks in angular distributions. 212mAt, 213Rn, 213Fr, 215Ra deduced σ(θ) vs cm velocity, TKE, T1/2 from the peaks of σ(θ).

doi: 10.1140/epja/i2012-12180-8
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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
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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
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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, T1/2, ground state quadrupole deformation, quasiparticle excitations, Q-values for different α decay chains. Comparison with other data.

doi: 10.1140/epja/i2012-12062-1
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2012NO05      Phys.Rev. C 85, 044312 (2012)

C.Nociforo, A.Prochazka, R.Kanungo, T.Aumann, D.Boutin, D.Cortina-Gil, B.Davids, M.Diakaki, F.Farinon, H.Geissel, R.Gernhauser, R.Janik, B.Jonson, B.Kindler, R.Knobel, R.Krucken, N.Kurz, M.Lantz, H.Lenske, Yu.A.Litvinov, B.Lommel, K.Mahata, P.Maierbeck, A.Musumarra, T.Nilsson, C.Perro, C.Scheidenberger, B.Sitar, P.Strmen, B.Sun, I.Szarka, I.Tanihata, H.Weick, M.Winkler

One-neutron removal reactions on Al isotopes around the N=20 shell closure

NUCLEAR REACTIONS C(33Al, 32Al), (34Al, 33Al), (35Al, 34Al), (36Al, 35Al), [secondary 33,34,35,36Al beams from 9Be(48Ca, X), E=1 GeV/nucleon primary reaction], E=900 MeV/nucleon; measured time of flight, energy loss, longitudinal momentum distribution, one-neutron removal cross sections using FRS at GSI; deduced spectroscopic factors, occupation probabilities, theoretical single-particle cross sections. Momentum analysis within the eikonal model approach. Shell structure, magic numbers. Comparison with USDB, SDPF-M shell model calculations.

doi: 10.1103/PhysRevC.85.044312
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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 T1/2, transition multipolatirities, levels, rotational band, ICC. 253Fm deduced levels, J, π, ICC, isomeric transition.

doi: 10.1140/epja/i2011-11062-y
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2011GA19      Phys.Rev. C 83, 054618 (2011)

J.M.Gates, Ch.E.Dullmann, M.Schadel, A.Yakushev, A.Turler, K.Eberhardt, J.V.Kratz, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, H.G.Essel, P.A.Ellison, J.Even, U.Forsberg, J.Gellanki, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.Krier, N.Kurz, S.Lahiri, D.Liebe, B.Lommel, M.Maiti, H.Nitsche, J.P.Omtvedt, E.Parr, D.Rudolph, J.Runke, H.Schaffner, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl

First superheavy element experiments at the GSI recoil separator TASCA: The production and decay of element 114 in the 244Pu(48Ca, 3-4n) reaction

NUCLEAR REACTIONS 206Pb(48Ca, 2n)252No, E=231.2 MeV; 207Pb(48Ca, 2n)253No, E=231.2 MeV; 208Pb(48Ca, 2n)254No, E=231.2 MeV; 244Pu(48Ca, 3n)289Fl, E=254.6, 259.4 MeV; 244Pu(48Ca, 4n)288Fl, E=254.6, 259.4 MeV; measured evaporation residue spectra, Eα, Iα, fission fragment spectra, Eγ, αγ-, α(particle)-coin, production cross sections. TASCA recoil separator at GSI. Comparison with previous measurements. RADIOACTIVITY 252,253,254No, 288,289Fl(α), (SF); measured Eα, half-lives, branching ratios for α and SF decay modes, (evaporation residues)α- and (evaporation residues)(fission fragments)-correlations, αγ-, γ(SF events)-coin. 248Fm, 281Ds, 284,285Cn, (α); measured Eα, EVR-α-α correlations, Eγ, half-lives. 277Hs(SF); measured total kinetic energy (TKE), half-life.

doi: 10.1103/PhysRevC.83.054618
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2011KA01      Phys.Rev. C 83, 021302 (2011)

R.Kanungo, A.Prochazka, W.Horiuchi, C.Nociforo, T.Aumann, D.Boutin, D.Cortina-Gil, B.Davids, M.Diakaki, F.Farinon, H.Geissel, R.Gernhauser, J.Gerl, R.Janik, B.Jonson, B.Kindler, R.Knobel, R.Krucken, M.Lantz, H.Lenske, Y.Litvinov, B.Lommel, K.Mahata, P.Maierbeck, A.Musumarra, T.Nilsson, C.Perro, C.Scheidenberger, B.Sitar, P.Strmen, B.Sun, Y.Suzuki, I.Szarka, I.Tanihata, Y.Utsuno, H.Weick, M.Winkler

Matter radii of 32-35Mg

NUCLEAR REACTIONS C, H(32Mg, X), (33Mg, X)(34Mg, X)(35Mg, X), E=900 MeV/nucleon, [secondary Mg beams from Be(48Ca, X) primary reaction]; measured interaction cross sections by detecting unreacted Mg particles by Bρ-ΔE-TOF method. 32,33,34,35Mg; deduced matter radii by Glauber model analysis. Comparison with HF and RMF predictions. Neutron skin thickness.

doi: 10.1103/PhysRevC.83.021302
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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
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2011KA36      Phys.Rev. C 84, 061304 (2011)

R.Kanungo, A.Prochazka, M.Uchida, W.Horiuchi, G.Hagen, T.Papenbrock, C.Nociforo, T.Aumann, D.Boutin, D.Cortina-Gil, B.Davids, M.Diakaki, F.Farinon, H.Geissel, R.Gernhauser, J.Gerl, R.Janik, O.Jensen, B.Jonson, B.Kindler, R.Knobel, R.Krucken, M.Lantz, H.Lenske, Y.Litvinov, B.Lommel, K.Mahata, P.Maierbeck, A.Musumarra, T.Nilsson, C.Perro, C.Scheidenberger, B.Sitar, P.Strmen, B.Sun, Y.Suzuki, I.Szarka, I.Tanihata, H.Weick, M.Winkler

Exploring the anomaly in the interaction cross section and matter radius of 23O

NUCLEAR REACTIONS C(22O, X), (23O, X), [22O, 23O secondary beams from 9Be(48Ca, X), E=1 GeV/nucleon primary reaction], E=900 MeV/nucleon; measured energy loss, time of flight, magnetic rigidity. 22,23O; deduced interaction cross section, matter radii, neutron skin thickness. Glauber model analysis. Comparison with ab initio coupled-cluster theory.

doi: 10.1103/PhysRevC.84.061304
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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, T1/2 for high-K states; deduced T1/2, spontaneous fission T1/2, α, SF, EC branching ratio, two-quasineutron levels. 242Cf deduced α, EC branching ratio.

doi: 10.1140/epja/i2011-11020-9
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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 179Tlm

RADIOACTIVITY 179Tl, 175Au, 179Pb(α) [from 144Sm(40Ca, 5n), E=232 MeV]; measured Eα, Iα; deduced T1/2, J, π.

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

doi: 10.1088/0954-3899/37/3/035102
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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, T1/2. 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, T1/2. Comparison with other data and calculations.

doi: 10.1140/epja/i2009-10896-0
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2010DU06      Phys.Rev.Lett. 104, 252701 (2010)

Ch.E.Dullmann, M.Schadel, A.Yakushev, A.Turler, K.Eberhardt, J.V.Kratz, D.Ackermann, L.-L.Andersson, M.Block, W.Bruchle, J.Dvorak, H.G.Essel, P.A.Ellison, J.Even, J.M.Gates, A.Gorshkov, R.Graeger, K.E.Gregorich, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.Krier, N.Kurz, S.Lahiri, D.Liebe, B.Lommel, M.Maiti, H.Nitsche, J.P.Omtvedt, E.Parr, D.Rudolph, J.Runke, B.Schausten, E.Schimpf, A.Semchenkov, J.Steiner, P.Thorle-Pospiech, J.Uusitalo, M.Wegrzecki, N.Wiehl

Production and Decay of Element 114: High Cross Sections and the New Nucleus 277Hs

NUCLEAR REACTIONS 244Pu(48Ca, 3n)289Fl, 244Pu(48Ca, 4n)288Fl, E=259.4, 254.6 MeV; measured reaction products, Eα, Iα; deduced σ, α-decay chains, T1/2.

RADIOACTIVITY 288,289Fl, 285Cn(α), 281Ds(α), 284Cn, 281Ds, 277Hs(SF); measured reaction products, Eα, Iα; deduced α-decay chains, T1/2.

doi: 10.1103/PhysRevLett.104.252701
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2010GR04      Phys.Rev. C 81, 061601 (2010)

R.Graeger, D.Ackermann, M.Chelnokov, V.Chepigin, Ch.E.Dullmann, J.Dvorak, J.Even, A.Gorshkov, F.P.Hessberger, D.Hild, A.Hubner, E.Jager, J.Khuyagbaatar, B.Kindler, J.V.Kratz, J.Krier, A.Kuznetsov, B.Lommel, K.Nishio, H.Nitsche, J.P.Omtvedt, O.Petrushkin, D.Rudolph, J.Runke, F.Samadani, M.Schadel, B.Schausten, A.Turler, A.Yakushev, Q.Zhi

Experimental study of the 238U(36S, 3-5n)269-271Hs reaction leading to the observation of 270Hs

NUCLEAR REACTIONS 238U(36S, 3n), (36S, 4n), (36S, 5n), E=256.4 MeV; measured reaction products using COMPACT system of efficient and rapid chemical-separation and online detection based on the cryo-thermo chromatography method. 269,270,271Hs; deduced production σ.

RADIOACTIVITY 269,270,271Hs, 265,267Sg(α); measured decay products, Iα, Eα; deduced T1/2, αα correlations; 261,263Rf, 264Sg(SF); measured decay products, Eα, Iα; deduced α-SF correlations.

doi: 10.1103/PhysRevC.81.061601
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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, T1/2, 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, T1/2, configurations.

doi: 10.1140/epja/i2009-10899-9
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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 T1/2, hindrance factors. 257Db, 261Bh; deduced levels, J, π.

doi: 10.1140/epja/i2010-10913-3
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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
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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
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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). 208,209,210,212Th deduced α decay widths, T1/2, α decay chains, 208Th new isotope. Comparison with other data.

doi: 10.1140/epja/i2010-11058-1
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2010KA05      Phys.Lett. B 685, 253 (2010)

R.Kanungo, C.Nociforo, A.Prochazka, Y.Utsuno, T.Aumann, D.Boutin, D.Cortina-Gil, B.Davids, M.Diakaki, F.Farinon, H.Geissel, R.Gernhauser, J.Gerl, R.Janik, B.Jonson, B.Kindler, R.Knobel, R.Krucken, M.Lantz, H.Lenske, Y.Litvinov, K.Mahata, P.Maierbeck, A.Musumarra, T.Nilsson, T.Otsuka, C.Perro, C.Scheidenberger, B.Sitar, P.Strmen, B.Sun, I.Szarka, I.Tanihata, H.Weick, M.Winkler

Structure of 33Mg sheds new light on the N=20 island of inversion

NUCLEAR REACTIONS C(33Mg, 32Mg), E=898 MeV/nucleon; measured 32Mg fragments using MUSIC setup at GSI, σ, longitudinal momentum distribution. 33Mg; deduced ground state configuration, relevance to 'Island of Inversion'. Monte Carlo shell model (MCSM) calculation with the SDPF-M interaction. 33Mg beam produced in Be(48Ca, X) at 1 GeV/nucleon.

doi: 10.1016/j.physletb.2010.02.008
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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, 240Cf

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. 237,238,239,240,241Cf deduced σ.

RADIOACTIVITY 237,238,240Cf(SF), (α); measured Eα, Iα, delayed αα-coin, TKE; deduced spontaneous fission T1/2. 237,240Cf deduced mass excess. 238,240Cf deduced α-decay T1/2. 233,236Cm(α), (EC)[from Cf α decay]; measured Eα, Iα, Iβ; deduced α-decay T1/2, α-branching. 236Cm deduced mass excess, spontaneous fission T1/2. 229Pu(α); measured Eα, Iα(t); deduced T1/2.

doi: 10.1140/epja/i2010-11026-9
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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, 274,275,276,277Sg, 273,275,276Rg, 278,279,280,281Cn; 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
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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 T1/2, decay scheme.

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

doi: 10.1140/epja/i2010-11005-2
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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
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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
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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
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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, 181Pb

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
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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, T1/2, levels, J, π. Comparison with other data and calculations.

RADIOACTIVITY 249Md, 253Lr, 257,258Db, 259,260Sg, 262Bh, 265Hs(α), (SF), (EC); measured Eα, Iα, T1/2; deduced levels, J, π. Analysis of decay chains and production routes. Comparison with other data and calculations.

doi: 10.1140/epja/i2009-10826-2
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2009KA14      Phys.Rev.Lett. 102, 152501 (2009)

R.Kanungo, C.Nociforo, A.Prochazka, T.Aumann, D.Boutin, D.Cortina-Gil, B.Davids, M.Diakaki, F.Farinon, H.Geissel, R.Gernhauser, J.Gerl, R.Janik, B.Jonson, B.Kindler, R.Knobel, R.Krucken, M.Lantz, H.Lenske, Y.Litvinov, B.Lommel, K.Mahata, P.Maierbeck, A.Musumarra, T.Nilsson, T.Otsuka, C.Perro, C.Scheidenberger, B.Sitar, P.Strmen, B.Sun, I.Szarka, I.Tanihata, Y.Utsuno, H.Weick, M.Winkler

One-Neutron Removal Measurement Reveals 24O as a New Doubly Magic Nucleus

NUCLEAR REACTIONS 12C(24O, 23O), E=920 MeV/nucleon; measured fragment spectra. 24O; deduced one neutron removal spectroscopic factor. 23O; deduced level energies.

doi: 10.1103/PhysRevLett.102.152501
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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, T1/2. 250Md; deduced levels, J, π, T1/2.

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

doi: 10.1140/epja/i2008-10665-7
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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
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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 241,242,243,244Fm. Comparison with HIVAP calculations.

RADIOACTIVITY 242Fm(α), (SF), 241,243,244Fm(EC), (α), (SF) [from 204,206,207,208Pb(40Ar, X)]; measured Eα, Eγ, αγ-coin, T1/2, branching ratio, total kinetic energy, SF hindrance factors. Non observance of 242Fm. Comparison with T1/2 calculations. 236,237,238,239Fm(SF); calculated T1/2.

doi: 10.1140/epja/i2008-10608-4
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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
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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.


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
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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, T1/2.

doi: 10.1140/epja/i2007-10373-x
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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.


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