Indirect sensitivity to Z's in high-energy e+e- collisions: a &quot;standard&quot; vs. &quot;composite&quot; study

Battaglia, Marco; De Curtis, Stefania; Coradeschi, Francesco; Dominici, Daniele

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Preprint
Report number	arXiv:1202.0660
Title	Indirect sensitivity to Z's in high-energy e+e- collisions: a "standard" vs. "composite" study
Author(s)	Battaglia, Marco (UC, Santa Cruz ; LBL, Berkeley ; CERN) ; Coradeschi, Francesco (Florence U. ; INFN, Florence) ; De Curtis, Stefania (INFN, Florence) ; Dominici, Daniele (Florence U. ; INFN, Florence)
Publication	2012
Imprint	06 Feb 2012
Number of pages	12
Note	This paper has been withdrawn by the author due to superpositions with a more recent published version
Subject category	Particle Physics - Phenomenology
Abstract	We compare the phenomenology of two models, the so-called "minimal Z'" and an effective model an SM-like Higgs is realised as a composite state of a new strong interaction, at a multi-TeV linear collider in the hypothesis that the new physics is at a scale beyond the direct reach of the machine.
Other source	Inspire

$\footnotesize{Cross section for the $e^+ e^- \to \mu^+ \mu^-$ in the SM at the Born level (solid line), with ISR and beamstrahlung with no cuts (dotted line), and with ISR, beamstrahlung and the cut $E_{f,\bar{f}}>0.8 \, E_{beam}$ (dashed line). The cut selects final state fermions which did not lose much energy to radiation, bringing the cross-section within $5-10 \%$ of the Born value.}$ $\footnotesize{Deviations with respect to the SM for $e^+e^- \to \mu^+ \mu^-$ (left) and to $e^+e^- \to t \bar t$ (right) in the SSM model at $\sqrt{s}$=3~TeV. The continuos line represents the relative cross-section deviation $\delta \sigma / \sigma^{SM}$; the dashed line gives $\delta A_{FB}$, the dotted line $\delta A_{LR}$ and the dot-dashed line $\delta A_{FB}^{pol}$.}$ $\footnotesize{Deviations with respect to the SM for $e^+e^- \to \mu^+ \mu^-$ (left) and to $e^+e^- \to t \bar t$ (right) in the SSM model at $\sqrt{s}$=3~TeV. The continuos line represents the relative cross-section deviation $\delta \sigma / \sigma^{SM}$; the dashed line gives $\delta A_{FB}$, the dotted line $\delta A_{LR}$ and the dot-dashed line $\delta A_{FB}^{pol}$.}$ Show more plots

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