Revisiting Combinatorial Ambiguities at Hadron Colliders with MT2
High Energy Physics - Phenomenology
2015-05-30 v1 High Energy Physics - Experiment
Abstract
We present a method to resolve combinatorial issues in multi-particle final states at hadron colliders. The use of kinematic variables such as MT2 and invariant mass significantly reduces combinatorial ambiguities in the signal, but at a cost of losing statistics. We illustrate this idea with gluino pair production leading to 4 jets in the final state as well as production in the dilepton channel. Compared to results in recent studies, our method provides greater efficiency with similar purity
Cite
@article{arxiv.1109.1563,
title = {Revisiting Combinatorial Ambiguities at Hadron Colliders with MT2},
author = {Philip Baringer and Kyoungchul Kong and Mathew McCaskey and Daniel Noonan},
journal= {arXiv preprint arXiv:1109.1563},
year = {2015}
}
Comments
20 pages, 7 figures, 10 tables