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Paper detail

Revisiting Combinatorial Ambiguities at Hadron Colliders with MT2

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 $+\met$ in the final state as well as $t\bar{t}$ production in the dilepton channel. Compared to results in recent studies, our method provides greater efficiency with similar purity

preprint2011arXivOpen access
Philip BaringerKyoungchul KongMathew McCaskeyDaniel Noonan
hep-exhep-ph
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Philip BaringerKyoungchul KongMathew McCaskeyDaniel Noonan

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