Search for supersymmetric particles in scenarios with a gravitino LSP and stau NLSP

Sleptons, neutralinos and charginos were searched for in the context of scenarios where the lightest supersymmetric particle is the gravitino. It was assumed that the stau is the next-to-lightest supersymmetric particle. Data collected with the DELPHI detector at a centre-of-mass energy near 189 GeV...

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Bibliographic Details
Published inThe European physical journal. C, Particles and fields Vol. 16; no. 2; pp. 211 - 228
Main Author Abreu et al, P.
Format Journal Article
LanguageEnglish
Published Heidelberg Springer Nature B.V 01.08.2000
Springer Verlag (Germany)
Subjects
Confidence intervals
Fermions
High Energy Physics - Experiment
Physics
Supersymmetry
pluridisciplinarity
complexity
science studies
reflexivity
epistemologie
history of science
ontology
NEUTRALINOS
BREAKING
LEP
E(+)E(-) COLLISIONS
MONTE-CARLO SIMULATION
LOWEST ORDER CALCULATIONS
RADIATIVE-CORRECTIONS
ENERGIES
PAIR PRODUCTION
2-PHOTON PROCESSES
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ISSN1434-6044
1434-6052
DOI10.1007/s100520050016

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Summary:Sleptons, neutralinos and charginos were searched for in the context of scenarios where the lightest supersymmetric particle is the gravitino. It was assumed that the stau is the next-to-lightest supersymmetric particle. Data collected with the DELPHI detector at a centre-of-mass energy near 189 GeV were analysed combining the methods developed in previous searches at lower energies. No evidence for the production of these supersymmetric particles was found. Hence, limits were derived at 95% confidence level.
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ISSN:1434-6044
1434-6052
DOI:10.1007/s100520050016