Color reconnection at future e(+) e(-) colliders

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Abstract

The effects of color reconnection (CR) at e(+) e(-) colliders are revisited, with focus on recently developed CR models. The new models are compared with the LEP2 measurements for e(+) e(-) -> W+W- -> q(1)(q) over bar (2)q(3)(q) over bar4 and found to lie within their limits. Prospects for constraints from new high- luminosity e(+) e(-) colliders are discussed. The novel arena of CR in Higgs decays is introduced, and it is illustrated by shifts in angular correlations that would be used to set limits on a potential CP-odd admixture of the 125 GeV Higgs state.

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  • Subatomic Physics
Original languageEnglish
Article number441
JournalEuropean Physical Journal C. Particles and Fields
Volume75
Issue number9
Publication statusPublished - 2015
Publication categoryResearch
Peer-reviewedYes