1995/03/31 by S. Ambrosanio, B. Mele
Physics and Astronomy · #High-Energy Particle Collisions Research #Large Hadron Collider #Neutralino #Nuclear physics #Pair production #Parameter space #Particle physics #Particle physics theoretical and experimental studies #Physics #Production (economics) #Quantum Chromodynamics and Particle Interactions #Statistics #Superpartner #Supersymmetry #hep-ph
paper · pdf · doi:10.1103/physrevd.52.3900
published as Phys.Rev. D52 (1995) 3900-3918 · 37 pages, no figures, REVTeX. A gzipped postscript file of the complete paper (48 pages, 24 figs) is available via anonymous ftp at ftp://hpteo.roma1.infn.it/pub/preprints/ambr-mele/Rome1-1094.ps.gz (2.7Mb --> 16 Mb). Error in Higgs couplings corrected. Some comments and 3 figures added. In press in Phys. Rev. D
arxiv created 1995/08/02 · openalex publication_date 1995/10/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
A thorough study is performed on pair production and signatures of supersymmetric neutralinos in the MSSM at LEP 2. Particular attention is paid to the region of SUSY parameter space where the associated production of lightest and next-to-lightest neutralinos is the only visible allowed supersymmetric process. In that region, the signal is critically dependent on the selection masses m_e\mathrm\ifmmode \else \~\fiL,R. For \ensuremath\surds /2m_e\mathrm\ifmmode \else \~\fiL,R\ensuremath\lesssim200--300 GeV and charginos above the threshold for pair production, neutralinos arising from e+e^\mathrm\ensuremath-\ensuremath→\ensuremathχ\mathrm\ifmmode \else \~\fi10\ensuremathχ\mathrm\ifmmode \else \~\fi20 could be the only SUSY signal detectable at LEP 2.