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arXiv · 1006.2911

Visible Effects of Invisible Hidden Valley Radiation

Lisa Carloni·Torbjorn Sjostrand
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Abstract

Assuming there is a new gauge group in a Hidden Valley, and a new type of radiation, can we observe it through its effect on the kinematic distributions of recoiling visible particles? Specifically, what are the collider signatures of radiation in a hidden sector? We address these questions using a generic SU(N)-like Hidden Valley model that we implement in Pythia. We find that in both the e+e- and the LHC cases the kinematic distributions of the visible particles can be significantly affected by the valley radiation. Without a proper understanding of such effects, inferred masses of "communicators" and of invisible particles can be substantially off.

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Lisa Carloni, Torbjorn Sjostrand. 2010-09-02. Visible Effects of Invisible Hidden Valley Radiation. https://doi.org/10.1007/jhep09(2010)105

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