Search for the sgoldstino at sqrt(s) from 189 to 202 GeV
The DELPHI Collaboration, P. Abreu, et al
TL;DR
This paper reports a search for the sgoldstino particle at LEP2 energies, finding no evidence of its production and setting limits on its mass based on different theoretical parameters.
Contribution
It presents the first experimental search for the sgoldstino at LEP2 energies, providing constraints on its mass and couplings.
Findings
No evidence for sgoldstino production was observed.
Limits on sgoldstino mass depend on theory parameters.
Constraints improve understanding of supersymmetric models.
Abstract
A search for the supersymmetric partner of the goldstino, the sgoldstino S, at LEP2 is presented. The production Sgamma followed by S decay into two gluons or into two photons was studied at 189 - 202 GeV LEP centre-of-mass energies. No evidence for the S production was found and limits on the S mass corresponding to different theory parameters are given.
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