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

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

doi:10.1016/j.physletb.2015.07.006

Title: Observation of new neutron-deficient isotopes with $Z \geq 92$ in multinucleon transfer reactions

Abstract

In deep inelastic multinucleon transfer reactions of ⁴⁸Ca + ²⁴⁸Cm we observed about 100 residual nuclei with proton numbers between Z =82 and Z =100. Among them, there are five new neutron-deficient isotopes: ²¹⁶U, ²¹⁹Np, ²²³Am, ²²⁹Am and ²³³Bk. As separator for the transfer products we used the velocity filter SHIP of GSI while the isotope identification was performed via the α decay chains of the nuclei. Finally, these first results reveal that multinucleon transfer reactions together with here applied fast and sensitive separation and detection techniques are promising for the synthesis of new isotopes in the region of heaviest nuclei.

Authors:

Devaraja, H. M. ^[1]; Heinz, S. ^[2]; Beliuskina, O. ^[2]; Comas, V. ^[3]; Hofmann, S. ^[3]; Hornung, C. ^[4]; Münzenberg, G. ^[1]; Nishio, K. ^[5]; Ackermann, D. ^[3]; Gambhir, Y. K. ^[6]; Gupta, M. ^[6]; Henderson, R. A. ^[7]; Heßberger, F. P. ^[3]; Khuyagbaatar, J. ^[3]; Kindler, B. ^[3]; Lommel, B. ^[3]; Moody, K. J. ^[7]; Maurer, J. ^[3]; Mann, R. ^[3]; Popeko, A. G. ^[8] more »

GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany); Manipal Univ., Manipal, Karnataka (India)
GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany); Justus-Liebig-Universität Giessen, II, Gießen (Germany). Physikalisches Inst.
GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany)
Justus-Liebig-Universität Giessen, II, Gießen (Germany). Physikalisches Inst.
Japan Atomic Energy Agency, Tokai, Ibaraki (Japan)
Manipal Univ., Manipal, Karnataka (India)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation)

Publication Date:: Wed Jul 08 00:00:00 EDT 2015

Research Org.:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1466934

Report Number(s):: LLNL-JRNL-681030
Journal ID: ISSN 0370-2693; 805323

Grant/Contract Number:: AC52-07NA27344

Resource Type:: Accepted Manuscript

Journal Name:: Physics Letters B

Additional Journal Information:: Journal Volume: 748; Journal Issue: C; Journal ID: ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; New isotopes; Heavy ion collisions; Deep inelastic transfer reactions; Alpha decay

Citation Formats


                    Devaraja, H. M., Heinz, S., Beliuskina, O., Comas, V., Hofmann, S., Hornung, C., Münzenberg, G., Nishio, K., Ackermann, D., Gambhir, Y. K., Gupta, M., Henderson, R. A., Heßberger, F. P., Khuyagbaatar, J., Kindler, B., Lommel, B., Moody, K. J., Maurer, J., Mann, R., Popeko, A. G., Shaughnessy, D. A., Stoyer, M. A., and Yeremin, A. V. Observation of new neutron-deficient isotopes with Z≥92 in multinucleon transfer reactions.  United States: N. p., 2015. 
Web.  doi:10.1016/j.physletb.2015.07.006.

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                    Devaraja, H. M., Heinz, S., Beliuskina, O., Comas, V., Hofmann, S., Hornung, C., Münzenberg, G., Nishio, K., Ackermann, D., Gambhir, Y. K., Gupta, M., Henderson, R. A., Heßberger, F. P., Khuyagbaatar, J., Kindler, B., Lommel, B., Moody, K. J., Maurer, J., Mann, R., Popeko, A. G., Shaughnessy, D. A., Stoyer, M. A., & Yeremin, A. V. Observation of new neutron-deficient isotopes with Z≥92 in multinucleon transfer reactions.  United States.  https://doi.org/10.1016/j.physletb.2015.07.006

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                    Devaraja, H. M., Heinz, S., Beliuskina, O., Comas, V., Hofmann, S., Hornung, C., Münzenberg, G., Nishio, K., Ackermann, D., Gambhir, Y. K., Gupta, M., Henderson, R. A., Heßberger, F. P., Khuyagbaatar, J., Kindler, B., Lommel, B., Moody, K. J., Maurer, J., Mann, R., Popeko, A. G., Shaughnessy, D. A., Stoyer, M. A., and Yeremin, A. V. Wed .  
"Observation of new neutron-deficient isotopes with Z≥92 in multinucleon transfer reactions".  United States.  https://doi.org/10.1016/j.physletb.2015.07.006.  https://www.osti.gov/servlets/purl/1466934.

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@article{osti_1466934,

  title        = {Observation of new neutron-deficient isotopes with Z≥92 in multinucleon transfer reactions},

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

  abstractNote = {In deep inelastic multinucleon transfer reactions of 48Ca + 248Cm we observed about 100 residual nuclei with proton numbers between Z =82 and Z =100. Among them, there are five new neutron-deficient isotopes: 216U, 219Np, 223Am, 229Am and 233Bk. As separator for the transfer products we used the velocity filter SHIP of GSI while the isotope identification was performed via the α decay chains of the nuclei. Finally, these first results reveal that multinucleon transfer reactions together with here applied fast and sensitive separation and detection techniques are promising for the synthesis of new isotopes in the region of heaviest nuclei.},

  doi          = {10.1016/j.physletb.2015.07.006},

  journal      = {Physics Letters B},

  number       = C,

  volume       = 748,

  place        = {United States},

  year         = {Wed Jul 08 00:00:00 EDT 2015},

  month        = {Wed Jul 08 00:00:00 EDT 2015}

}

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

Abstract

Citation Formats

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Actinide Production in Collisions of U 238 with Cm 248 journal, March 1982

Production of cold target-like fragments in the reaction of Ca 48 + 248 Cm journal, June 1986

Actinide production from the interactions of Ca 40 and Ca 44 with Cm 248 and a comparison with the Ca 48 + 248 Cm system journal, October 1992

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Title: Observation of new neutron-deficient isotopes with $Z \geq 92$ in multinucleon transfer reactions

Approaching r-process nuclei at N = 126
journal, February 2012

Discovery and cross-section measurement of neutron-rich isotopes in the element range from neodymium to platinum with the FRS
journal, October 2012

The reaction238U +238U at 7.42MeV/u
journal, June 1979

Actinide Production in Collisions of ${}^{238}U$ with ${}^{248}{Cm}$
journal, March 1982

Production of cold target-like fragments in the reaction of ${}^{48}{Ca}$ $+^{248}$ Cm
journal, June 1986

Actinide production from the interactions of ${}^{40}{Ca}$ and ${}^{44}{Ca}$ with ${}^{248}{Cm}$ and a comparison with the ${}^{48}{Ca}$ $+^{248}$ Cm system
journal, October 1992

Production of unknown transactinides in asymmetry-exit-channel quasifission reactions
journal, March 2005

New way for the production of heavy neutron-rich nuclei
journal, September 2008

Light and heavy transfer products in $^{58} Ni +^{208} Pb$ at the Coulomb barrier
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The velocity filter ship, a separator of unslowed heavy ion fusion products
journal, April 1979

The discovery of the heaviest elements
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Some remarks on the error analysis in the case of poor statistics
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The new isotope 208Th
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Alpha decay properties of new protactinium isotopes
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The new isotope 217U
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Half-life of ${}^{228}{Pu}$ and $α$ decay of ${}^{228}{Np}$
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New Isotope ${}^{220}{Np}$ : Probing the Robustness of the $N = 126$ Shell Closure in Neptunium
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