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Bronis, A.*; Heberger, F. P.*; Antalic, S.*; Andel, B.*; Ackermann, D.*; Heinz, S.*; Hofmann, S.*; Khuyagbaatar, J.*; Kindler, B.*; Kojouharov, I.*; et al.
Physical Review C, 106(1), p.014602_1 - 014602_12, 2022/07
Times Cited Count:6 Percentile:65.93(Physics, Nuclear)Konki, J.*; Khuyagbaatar, J.*; Uusitalo, J.*; Greenlees, P. T.*; Auranen, K.*; Badran, H.*; Block, M.*; Briselet, R.*; Cox, D. M.*; Dasgupta, M.*; et al.
Physics Letters B, 764, p.265 - 270, 2017/01
Times Cited Count:21 Percentile:81.50(Astronomy & Astrophysics)Andel, B.*; Andreyev, A. N.; Antalic, S.*; Heberger, F. P.*; Ackermann, D.*; Hofmann, S.*; Huyse, M.*; Kalaninov
, Z.*; Kindler, B.*; Kojouharov, I.*; et al.
Physical Review C, 93(6), p.064316_1 - 064316_12, 2016/06
Times Cited Count:5 Percentile:36.50(Physics, Nuclear)Sahin, E.*; Doncel, M.*; Sieja, K.*; De Angelis, G.*; Gadea, A.*; Quintana, B.*; Grgen, A.*; Modamio, V.*; Mengoni, D.*; Valiente-Dob
n, J. J.*; et al.
Physical Review C, 91(3), p.034302_1 - 034302_9, 2015/03
Times Cited Count:27 Percentile:82.96(Physics, Nuclear)Andreyev, A. N.*; Huyse, M.*; Van Duppen, P.*; Qi, C.*; Liotta, R. J.*; Antalic, S.*; Ackermann, D.*; Franchoo, S.*; Heberger, F. P.*; Hofmann, S.*; et al.
Physical Review Letters, 110(24), p.242502_1 - 242502_5, 2013/06
Times Cited Count:96 Percentile:93.45(Physics, Multidisciplinary)Rubert, J.*; Dorvaux, O.*; Gall, B. J. P.*; Greenlees, P. T.*; Asfari, Z.*; Piot, J.*; Andersson, L. L.*; Asai, Masato; Cox, D. M.*; Dechery, F.*; et al.
Journal of Physics; Conference Series, 420, p.012010_1 - 012010_10, 2013/03
Times Cited Count:0 Percentile:0.00(Physics, Nuclear)The first prompt in-beam -ray spectroscopy of a superheavy element,
Rf, has been performed successfully. A development of an intense isotopically enriched
Ti beam using the MIVOC method enabled us to perform this experiment. A rotational band up to a spin of 20
has been discovered in
Rf, and its moment of inertia has been extracted. These data suggest that there is no evidence of a significant deformed shell gap at
= 104.
Andreyev, A. N.*; Antalic, S.*; Ackermann, D.*; Bianco, L.*; Franchoo, S.*; Heinz, S.*; Heberger, F. P.*; Hofmann, S.*; Huyse, M.*; Kalaninov
, Z.*; et al.
Physical Review C, 87(1), p.014317_1 - 014317_8, 2013/01
Times Cited Count:26 Percentile:80.32(Physics, Nuclear)Greenlees, P. T.*; Rubert, J.*; Piot, J.*; Gall, B. J. P.*; Andersson, L. L.*; Asai, Masato; Asfari, Z.*; Cox, D. M.*; Dechery, F.*; Dorvaux, O.*; et al.
Physical Review Letters, 109(1), p.012501_1 - 012501_5, 2012/07
Times Cited Count:62 Percentile:88.61(Physics, Multidisciplinary)Rotational band structure of the =104 nucleus
Rf has been observed for the first time using an in-beam
-ray spectroscopic technique. This nucleus is the heaviest among the nuclei whose rotational band structure has ever been observed. Thus, the present result provides valuable information on the single-particle shell structure and pairing interaction in the heaviest extreme of nuclei. The deduced moment of inertia indicates that there is no deformed shell gap at
=104, which is predicted in a number of current self-consistent mean-field models.
Heberger, F. P.*; Antalic, S.*; Ackermann, D.*; Kalaninov
, Z.*; Heinz, S.*; Hofmann, S.*; Streicher, B.*; Kindler, B.*; Kojouharov, I.*; Kuusiniemi, P.*; et al.
European Physical Journal A, 48(5), p.75_1 - 75_9, 2012/05
Times Cited Count:26 Percentile:76.59(Physics, Nuclear)Antalic, S.*; Heberger, F. P.*; Ackermann, D.*; Heinz, S.*; Hofmann, S.*; Kalaninov
, Z.*; Kindler, B.*; Khuyagbaatar, J.*; Kojouharov, I.*; Kuusiniemi, P.*; et al.
European Physical Journal A, 47(5), p.62_1 - 62_12, 2011/05
Times Cited Count:31 Percentile:83.32(Physics, Nuclear)Heberger, F. P.*; Antalic, S.*; Sulignano, B.*; Ackermann, D.*; Heinz, S.*; Hofmann, S.*; Kindler, B.*; Khuyagbaatar, J.*; Kojouharov, I.*; Kuusiniemi, P.*; et al.
European Physical Journal A, 43(1), p.55 - 66, 2010/01
Times Cited Count:77 Percentile:95.42(Physics, Nuclear)Heinz, S.*; Comas, V.*; Heberger, F. P.*; Hofmann, S.*; Ackermann, D.*; Burkhard, H. G.*; Gan, Z.*; Heredia, J.*; Khuyagbaatar, J.*; Kindler, B.*; et al.
European Physical Journal A, 38(2), p.227 - 232, 2008/11
Times Cited Count:24 Percentile:77.31(Physics, Nuclear)Antalic, S.*; Heberger, F. P.*; Hofmann, S.*; Ackermann, D.*; Heinz, S.*; Kindler, B.*; Kojouharov, I.*; Kuusiniemi, P.*; Leino, M.*; Lommel, B.*; et al.
European Physical Journal A, 38(2), p.219 - 226, 2008/11
Times Cited Count:38 Percentile:85.96(Physics, Nuclear)Nishio, Katsuhisa; Hofmann, S.*; Ikezoe, Hiroshi; Heberger, F. P.*; Ackermann, D.*; Antalic, S.*; Comas, V. F.*; Gan, Z.*; Heinz, S.*; Heredia, J. A.*; et al.
Nuclear Physics A, 805(1-4), p.516 - 518, 2008/06
Khuyagbaatar, J.*; Hofmann, S.*; Heberger, F. P.*; Ackermann, D.*; Antalic, S.*; Burkhard, H. G.*; Heinz, S.*; Kindler, B.*; Lisetskiy, A. F.*; Lommel, B.*; et al.
European Physical Journal A, 34(4), p.355 - 361, 2007/12
Times Cited Count:16 Percentile:70.41(Physics, Nuclear)Nishio, Katsuhisa; Hofmann, S.*; Ikezoe, Hiroshi; Heberger, F. P.*; Ackermann, D.*; Antalic, S.*; Comas, V. F.*; Gan, Z.*; Heinz, S.*; Heredia, J. A.*; et al.
Journal of Nuclear and Radiochemical Sciences, 8(2), p.73 - 78, 2007/10
Sulignano, B.*; Heinz, S.*; Heberger, F. P.*; Hofmann, S.*; Ackermann, D.*; Antalic, S.*; Kindler, B.*; Kojouharov, I.*; Kuusiniemi, P.*; Lommel, B.*; et al.
European Physical Journal A, 33(4), p.327 - 331, 2007/09
Times Cited Count:84 Percentile:96.24(Physics, Nuclear)Hofmann, S.*; Ackermann, D.*; Antalic, S.*; Burkhard, H. G.*; Comas, V. F.*; Dressler, R.*; Gan, Z.*; Heinz, S.*; Heredia, J. A.*; Heberger, F. P.*; et al.
European Physical Journal A, 32(3), p.251 - 260, 2007/06
Times Cited Count:270 Percentile:99.68(Physics, Nuclear)Nishio, Katsuhisa; Hofmann, S.*; Heberger, F. P.*; Ackermann, D.*; Antalic, S.*; Comas, V. F.*; Gan, Z.*; Heinz, S.*; Heredia, J. A.*; Ikezoe, Hiroshi; et al.
AIP Conference Proceedings 891, p.71 - 79, 2007/03
Seaborgium isotopes were produced in the fusion reaction Si +
U as evaporation residues (ERs), and the cross sections were determined. The experiment was carried out at GSI in Darmstadt, Germany. At the center-of-mass energy of E
= 144 MeV, three
decay chains starting from
Sg were observed, and the corresponding ER cross section was determined to be 67 pb. At the sub-barrier energy of E
= 133 MeV, three spontaneous fission events of a new isotope
Sg were detected. The cross section was 10 pb. The half-life of
Sg was determined to be 120 ms. The ER cross sections were compared with a statistical model calculation. In the fusion process, the coupled channel calculation taking into account the prolate deformation of
U was adopted to determine the capture cross section. The calculated capture cross section agrees well with the fission cross section of
Si +
U obtained at the JAEA tandem accelerator. The measured cross section of
Sg at the sub-barrier energy is factor 10
larger than the calculation based on the one-dimensional model in the fusion process, showing the fusion enhancement caused by the deformation of
U. However, disagreement with the calculation suggests the presence of quasi-fission channel. At the above barrier energy of E
= 144 MeV, the measured cross section is well reproduced by the calculation. This means that the interaction of
Si at the equotorial side of
U has advantage on the fusion process.
Heberger, F. P.*; Hofmann, S.*; Ackermann, D.*; Antalic, S.*; Kindler, B.*; Kojouharov, I.*; Kuusiniemi, P.*; Leino, M.*; Lommel, B.*; Mann, R.*; et al.
European Physical Journal A, 30(3), p.561 - 569, 2006/12
Times Cited Count:53 Percentile:91.37(Physics, Nuclear)Decay properties of Rf,
No and
Fm were investigated by measuring the
and
decays. The experiment was carried out by using the linear accelerator UNILAC and velocity filter SHIP at GSI. The evaporation residues were separated by the SHIP and implanted into a silicon detector located at the focal plane. The
decays were detected by the silicon detector itself and the
rays were detected by Ge detectors. These isotopes were produced by the reaction
Pb(
Ti, 2n)
Rf and the
decay daughters from
Rf, or by the reaction
Pb(
Ca, 3n)
No and the
decay daughter of
No. It was found that (1) the 1.0 s isomeric state in
No is located in the level of 106 keV. (2) The new isomeric state with 2
s was found in
No, which was directly populated in the reaction
Pb(
Ca,3n)
No. The state is located at the level larger than 1700 keV and decays by accompanying two
rays. These two
-ray energies agreed with the lines which was followed by the
decay of
Rf.