2011/03/15 by Patrick Meade, Michele Papucci, Tomer Volansky
Physics and Astronomy · #Atlas (anatomy) #Hadron #High-Energy Particle Collisions Research #Large Hadron Collider #Nuclear physics #Particle Detector Development and Performance #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Tracking (education) #hep-ex #hep-ph
paper · pdf · doi:10.1103/physrevlett.109.031801
6 pages, 1 figure
arxiv created 2011/03/15 · openalex publication_date 2012/07/17 · arxiv updated 2015/05/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
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(10 GeV), 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.