Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-02-07
Phys.Rev.D53:6653-6657,1996
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX, 14 pages, 1 table, 5 figures. Submitted to Phys. Rev. D
Scientific paper
10.1103/PhysRevD.53.6653
We calculate the production cross-sections for the vector and pseudoscalar bound states of two gluinos. It is shown that existing and future colliders imply a realistic chance of observing gluinonium as a narrow peak in the two-jet invariant mass spectrum. With an integrated luminosity of 0.2 fb$^{-1}$ at the Tevatron, and the high efficiency for tagging heavy quark jets at CDF, one should be able to detect vector gluinonium for gluino masses up to about 170 GeV; or up to about 260 GeV for an upgraded Tevatron with a centre of mass energy of 2 TeV and an integrated luminosity of 1 fb$^{-1}$. The significantly higher energy and luminosity of LHC should allow pseudoscalar gluinonium to be detected for gluino masses up to about 1500 GeV for an assumed luminosity of 200 fb$^{-1}$. These results are insensitive to the details of supersymmetry models, provided that R-parity is conserved and the gluinos are lighter than the squarks. In addition, gluinonium detection implies a relatively accurate measure of the gluino mass, which is difficult to determine by other means.
Chikovani E.
Kartvelishvili Vakhtang
Shanidze Revaz
Shaw Gargi
Парфенов Г. П.
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