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Searches for new particles produced in Z boson decay [electronic resource].

Published
Washington, D.C : United States. Dept. of Energy. Office of Energy Research, 1990.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: (13 pages) : digital, PDF file
Additional Creators
Stanford Linear Accelerator Center, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Searches for events with new particle topologies in 455 hadronic Z decays with the Mark 2 detector at SLC are presented. 95% confidence level lower limits of 40.7 GeV/c² for the top quark mass and 42.0 GeV/c² for the mass of a fourth generation charge - 1/3 quark, regardless of decay mode, are obtained. For a fourth generation sequential Dirac neutrino ν₄ mass up to 43 GeV/c². Decays of the Z boson to a pair of non-minimal Higgs bosons (Z → H{sub s}°H{sub p}°), where one of them is relatively light ({approx lt} 10 GeV/c²), are also considered. Limits are obtained on the ZH{sub s}°H{sub p}° coupling as a function of the Higgs boson masses. 11 refs., 2 figs., 2 tabs.
Report Numbers
E 1.99:slac-pub-5246
E 1.99: conf-900135--15
conf-900135--15
slac-pub-5246
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
05/01/1990.
"slac-pub-5246"
" conf-900135--15"
"DE90013572"
15. general meeting of the Division of Particles and Fields of the American Physical Society, Houston, TX (USA), 3-6 Jan 1990.
Komamiya, S.; Van Kooten, R.; Jung, C.K.
Funding Information
AC03-76SF00515
View MARC record | catkey: 14714461