Search for neutralino production in Z decays

Decamp, D. and Finch, Alexander (1990) Search for neutralino production in Z decays. Physics Letters B, 244 (3-4). pp. 541-550. ISSN 0370-2693

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Abstract

Limits on Z decay branching ratios into neutralinos are reported. They were obtained from searches for monojets, acoplanar jets, acoplanar lepton pairs, single photons and acoplanar photon pairs as signaturs for the reactions e+e- → χχ′ and e+e- → χχ′, where χ is the lightest neutralino and χ′ any heavier one. The data sample used for these searches corresponds to about 23 000 events of Z decay into multihadrons, collected at LEP by the ALEPH detector for centre of mass energies at and near the Z peak. The results obtained are used to restrict the parameter space of the minimal supersymmetric standard model.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
63810
Deposited By:
Deposited On:
02 May 2013 15:30
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:25