Odd tracks at hadron colliders

Patrick Meade*, Michele Papucci, Tomer Volansky

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


New physics that exhibits irregular tracks such as kinks, intermittent hits, or decay in flight may easily be missed at hadron colliders. We demonstrate this by studying viable models of light, O(10GeV), colored particles that decay predominantly inside the tracker. Such particles can be produced at staggering rates, and yet, may not be identified or triggered on at the LHC, unless specifically searched for. In addition, the models we study provide an explanation for the original measurement of the anomalous charged track distribution by CDF. The presence of irregular tracks in these models reconcile that measurement with the subsequent reanalysis and the null results of ATLAS and CMS. Our study clearly illustrates the need for a comprehensive study of irregular tracks at the LHC.

Original languageEnglish
Article number031801
JournalPhysical Review Letters
Issue number3
StatePublished - 17 Jul 2012
Externally publishedYes


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