The new element 112  Short note

Armbruster, P.; Folger, H.; Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany); Hessberger, F.P.; Hofmann, S.; Janik, R. (Komenskeho Univ., Bratislava (Slovakia). Dept. of Nuclear Physics); Leino, M. (Jyvaeskylae Univ. (Finland). Dept. of Physics); Muenzenberg, G.; Ninov, V.; Popeko, A.G.; Saro, S.; Schoett, H.J. (Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany)); Yeremin, A.V. (Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of Nuclear Reactions)

The new element 112 Short note

Authors: P. Armbruster
H. Folger
Darmstadt (Germany) Gesellschaft fuer Schwerionenforschung mbH
F.P. Hessberger
S. Hofmann
R. (Komenskeho Univ., Bratislava (Slovakia). Dept. of Nuclear Physics) Janik
M. (Jyvaeskylae Univ. (Finland). Dept. of Physics) Leino
G. Muenzenberg
V. Ninov
A.G. Popeko
S. Saro
H.J. (Gesellschaft fuer Schwerionenforschung mbH, Darmstadt (Germany)) Schoett
A.V. (Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of Nuclear Reactions) Yeremin
Publication date: 1 January 1996
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Abstract

The new element 112 was produced and identified unambigiously in an experiment at SHIP, GSI Darmstadt. Two decay chains of the isotope "2"7"7112 were observed in irradiations of "2"0"8Pb targets with "7"0Zn projectiles of 344 MeV kinetic energy. The isotope decays by emission of #alpha# particles with a half-life of (240_-_9_0"+"4"3"0) #mu#s. Two different #alpha# energies of (11.649#+-#20) keV and (11.454#+-#20) keV were measured for the two observed decays. The cross-section measured in three weeks of irradiations is (1.0_-_0_._4"+"1"8) pb. (orig.)Available from TIB Hannover: RO 801(96-09) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

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