Casting Light on BSM Physics with SM Standard Candles
David Curtin, Prerit Jaiswal, Patrick Meade, Pin-Ju Tien

TL;DR
This paper demonstrates how measurements of SM Standard Candles, specifically WW cross sections, can be used to set new constraints on electroweak-scale new physics, filling gaps left by previous experiments and addressing anomalies.
Contribution
It introduces a novel approach of using SM Standard Candle measurements to constrain new physics models, particularly light sleptons, complementing existing collider searches.
Findings
WW measurements can constrain light sleptons effectively.
Sleptons can improve the fit to WW data over the SM prediction.
Sleptons can account for the (g-2)_μ anomaly and dark matter relic density.
Abstract
The Standard Model (SM) has had resounding success in describing almost every measurement performed by the ATLAS and CMS experiments. In particular, these experiments have put many beyond the SM models of natural Electroweak Symmetry Breaking into tension with the data. It is therefore remarkable that it is still the LEP experiment, and not the LHC, which often sets the gold standard for understanding the possibility of new color-neutral states at the electroweak (EW) scale. Recently, ATLAS and CMS have started to push beyond LEP in bounding heavy new EW states, but a gap between the exclusions of LEP and the LHC typically remains. In this paper we show that measurements of SM Standard Candles can be repurposed to set entirely complementary constraints on new physics. To demonstrate this, we use WW cross section measurements to set bounds on a set of slepton-based simplified models…
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