Measurement of the $^{208}\mathrm{Pb}(^{52}\mathrm{Cr},n)^{259}\mathrm{Sg}$ excitation function

Measurement of the ${}^{208}{Pb} ({}^{52}{Cr}, n) {}^{259}{Sg}$ excitation function

C. M. Folden III, I. Dragojević, Ch. E. Düllmann, R. Eichler, M. A. Garcia, J. M. Gates, S. L. Nelson, R. Sudowe, K. E. Gregorich, D. C. Hoffman, and H. Nitsche

Phys. Rev. C 79, 027602 – Published 6 February 2009

Abstract

The excitation function for the ${}^{208}{Pb} ({}^{52}{Cr}, n) {}^{259}{Sg}$ reaction has been measured using the Berkeley Gas-filled Separator at the Lawrence Berkeley National Laboratory 88-Inch Cyclotron. The maximum cross section of $320_{- 100}^{+ 110}$ pb is observed at a center-of-target laboratory-frame energy of 253.0 MeV. In total, 25 decay chains originating from ${}^{259}{Sg}$ were observed and the measured decay properties are in good agreement with previous reports. In addition, a partial excitation function for the ${}^{208}{Pb} ({}^{52}{Cr}, 2 n) {}^{258}{Sg}$ reaction was obtained, and an improved ${}^{258}{Sg}$ half-life of ${2.6}_{- 0.4}^{+ 0.6}$ ms was calculated by combining all available experimental data.

Received 14 June 2008

DOI:https://doi.org/10.1103/PhysRevC.79.027602

Authors & Affiliations

C. M. Folden III^1,2,*, I. Dragojević^1,2, Ch. E. Düllmann^1,†, R. Eichler^1,3,4, M. A. Garcia^1,2, J. M. Gates^1,2, S. L. Nelson^1,2, R. Sudowe^1,‡, K. E. Gregorich¹, D. C. Hoffman^1,2, and H. Nitsche^1,2

¹Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720-8169, USA
²Department of Chemistry, University of California, Berkeley, California 94720-1460, USA
³Labor für Radio-und Umweltchemie, Paul Scherrer Institut, CH-5232 Villigen, Switzerland
⁴Departement für Chemie und Biochemie, Universität Bern, CH-3012 Bern, Switzerland

^*Folden@comp.tamu.edu; Present address: Cyclotron Institute, Texas A&M University, College Station, TX 77843-3366, USA.
^†Present address: Kernchemie, GSI Helmholtzzentrum für Schwerionenforschung GmbH, D-64291 Darmstadt, Germany.
^‡Present address: Department of Health Physics, University of Nevada, Las Vegas, NV 89154-3037, USA.

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Vol. 79, Iss. 2 — February 2009

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Physical Review C

covering nuclear physics

Measurement of the ${}^{208}{Pb} ({}^{52}{Cr}, n) {}^{259}{Sg}$ excitation function

C. M. Folden III, I. Dragojević, Ch. E. Düllmann, R. Eichler, M. A. Garcia, J. M. Gates, S. L. Nelson, R. Sudowe, K. E. Gregorich, D. C. Hoffman, and H. Nitsche

Phys. Rev. C 79, 027602 – Published 6 February 2009

Abstract

Authors & Affiliations

Article Text (Subscription Required)

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Physical Review C

covering nuclear physics

Measurement of the Pb208(Cr52,n)Sg259 excitation function

C. M. Folden III, I. Dragojević, Ch. E. Düllmann, R. Eichler, M. A. Garcia, J. M. Gates, S. L. Nelson, R. Sudowe, K. E. Gregorich, D. C. Hoffman, and H. Nitsche

Phys. Rev. C 79, 027602 – Published 6 February 2009

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Measurement of the ${}^{208}{Pb} ({}^{52}{Cr}, n) {}^{259}{Sg}$ excitation function