New Physics Effects from $e^+e^-\to f\bar f$ at a Linear Collider: the Role of $A_{LR, μ}$

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dc.creatorBeccaria, Matteo
dc.creatorRenard, Fernand M.
dc.creatorSpagnolo, Stefania
dc.creatorVerzegnassi, Claudio
dc.date1999-11-15
dc.date.accessioned2026-07-07T04:08:50Z
dc.date.available2026-07-07T04:08:50Z
dc.descriptionWe discuss New Physics effects in fermion pair production at LC in the framework of the ``Z-peak subtracted approach'', a theoretical scheme that exploits the experimental measurements at LEP1 and SLC as input parameters. In particular, we discuss the role of the longitudinal polarization asymmetry $A_{LR,μ}$ which turns out to be a very sensitive probe to New Physics of universal type. The extension of the method to non universal effects is discussed and an application is given in two examples: general contact interactions and low energy gravity models with graviton exchange.
dc.description23 pages, REVTeX, 11 Encapsulated PostScript figures ECFA/DESY Workshop on Linear Collider, Obernai 16-19 October 1999
dc.identifierhttps://arxiv.org/abs/hep-ph/9911359
dc.identifierhttp://arxiv.org/abs/hep-ph/9911359
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/49627
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNew Physics Effects from $e^+e^-\to f\bar f$ at a Linear Collider: the Role of $A_{LR, μ}$
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