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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/25392
Title: First superheavy element experiments at the GSI recoil separator TASCA: The production and decay of element 114 in the Pu244(Ca48,3-4n) reaction
Authors: Gates J.M.
Düllmann C.E.
Schädel M.
Yakushev A.
Türler A.
Eberhardt K.
Kratz J.V.
Ackermann D.
Andersson L.-L.
Block M.
Brüchle W.
Dvorak J.
Essel H.G.
Ellison P.A.
Even J.
Forsberg U.
Gellanki J.
Gorshkov A.
Graeger R.
Gregorich K.E.
Hartmann W.
Herzberg R.-D.
Heßberger F.P.
Hild D.
Hübner A.
Jäger E.
Khuyagbaatar J.
Kindler B.
Krier J.
Kurz N.
Lahiri S.
Liebe D.
Lommel B.
Maiti, Moumita
Nitsche H.
Omtvedt J.P.
Parr E.
Rudolph D.
Runke J.
Schaffner H.
Schausten B.
Schimpf E.
Semchenkov A.
Steiner J.
Thörle-Pospiech P.
Uusitalo J.
Wegrzecki M.
Wiehl N.
Published in: Physical Review C - Nuclear Physics
Abstract: Experiments with the new recoil separator, Transactinide Separator and Chemistry Apparatus (TASCA), at the GSI were performed by using beams of Ca48 to irradiate targets of Pb206-208, which led to the production of No252-254 isotopes. These studies allowed for evaluation of the performance of TASCA when coupled to a new detector and electronics system. By following these studies, the isotopes of element 114 (288-291114) were produced in irradiations of Pu244 targets with Ca48 beams at compound nucleus excitation energies around 41.7 and 37.5 MeV, demonstrating TASCA's ability to perform experiments with picobarn-level cross sections. A total of 15 decay chains were observed and were assigned to the decay of 288-291114. A new α-decay branch in Ds281 was observed, leading to the new nucleus Hs277. © 2011 American Physical Society.
Citation: Physical Review C - Nuclear Physics, 83(5)
URI: https://doi.org/10.1103/PhysRevC.83.054618
http://repository.iitr.ac.in/handle/123456789/25392
Issue Date: 2011
Publisher: American Physical Society
ISSN: 5562813
Author Scopus IDs: 15044162000
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Author Affiliations: Gates, J.M., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany, Technische Universität München, D-85748 Garching, Germany, Lawrence Berkeley National Laboratory, Berkeley, CA 94720-8169, United States
Düllmann, C.E., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany, Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany, Helmholtz Institute Mainz, D-55099 Mainz, Germany
Schädel, M., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Yakushev, A., Technische Universität München, D-85748 Garching, Germany
Türler, A., Technische Universität München, D-85748 Garching, Germany, Paul Scherrer Institute, University of Bern, CH-5232 Villigen, Switzerland
Eberhardt, K., Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
Kratz, J.V., Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
Ackermann, D., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Andersson, L.-L., University of Liverpool, Liverpool L69 7ZE, United Kingdom
Block, M., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Brüchle, W., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Dvorak, J., Lawrence Berkeley National Laboratory, Berkeley, CA 94720-8169, United States
Essel, H.G., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Ellison, P.A., Lawrence Berkeley National Laboratory, Berkeley, CA 94720-8169, United States, University of California, Berkeley, CA 94720-1460, United States
Even, J., Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
Forsberg, U., Lund University, SE-22100 Lund, Sweden
Gellanki, J., Lund University, SE-22100 Lund, Sweden
Gorshkov, A., Technische Universität München, D-85748 Garching, Germany
Graeger, R., Technische Universität München, D-85748 Garching, Germany
Gregorich, K.E., Lawrence Berkeley National Laboratory, Berkeley, CA 94720-8169, United States
Hartmann, W., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Herzberg, R.-D., University of Liverpool, Liverpool L69 7ZE, United Kingdom
Heßberger, F.P., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Hild, D., Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
Hübner, A., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Jäger, E., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Khuyagbaatar, J., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Kindler, B., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Krier, J., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Kurz, N., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Lahiri, S., Saha Institute of Nuclear Physics, Kolkata-700064, India
Liebe, D., Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
Lommel, B., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Maiti, M., Saha Institute of Nuclear Physics, Kolkata-700064, India
Nitsche, H., Lawrence Berkeley National Laboratory, Berkeley, CA 94720-8169, United States, University of California, Berkeley, CA 94720-1460, United States
Omtvedt, J.P., University of Oslo, NO-0315 Oslo, Norway
Parr, E., University of Liverpool, Liverpool L69 7ZE, United Kingdom
Rudolph, D., Lund University, SE-22100 Lund, Sweden
Runke, J., Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
Schaffner, H., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Schausten, B., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Schimpf, E., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Semchenkov, A., University of Oslo, NO-0315 Oslo, Norway
Steiner, J., GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany
Thörle-Pospiech, P., Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
Uusitalo, J., University of Jyväskylä, FI-40014 Jyväskylä, Finland
Wegrzecki, M., Institute of Electron Technology, PL-02-668 Warsaw, Poland
Wiehl, N., Johannes Gutenberg-Universität Mainz, D-55099 Mainz, Germany
Funding Details: Science and Technology Facilities Council, STFC: ST/F012039/1
Corresponding Author: Gates, J.M.; GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany; email: jmgates@lbl.gov
Appears in Collections:Journal Publications [PH]

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