Recognizing superpartners at LEP

G. L. Kane, Gregory Mahlon

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

There is a class of supersymmetric models which is well-motivated by hints of evidence for SUSY and consistent with all existing data. It is important to study the predictions of these models. They are characterized by M̃N3 ≳ M̃C1 > M̃v > M̃N1 (where Ñi and C̃i are neutralino and chargino mass eigenstates), |μ| ≲ M1 ≲ M2 ≈ MZ, μ < 0, and tan β near 1. Their LEP signatures are mostly unusual. Most produced superpartners are invisible! A good signature is two photons plus large missing energy. There are also excess events at large recoil mass in the single photon plus nothing channel. We list the main signatures for charginos, stops, etc., which are also likely to be unconventional. This class of models will be definitively tested at LEP194 with 100 pb-1 per detector, and almost definitively tested at LEP184.

Original languageEnglish (US)
Pages (from-to)222-228
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume408
Issue number1-4
DOIs
StatePublished - Sep 11 1997

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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