6533b7d4fe1ef96bd1263348

RESEARCH PRODUCT

A new observable to measure the top-quark mass at hadron colliders

Sven-olaf MochMarcel VosAdrian IrlesJuan FusterSimone AlioliPeter UwerPatricia Fernandez

subject

Top quarkParticle physicsPhysics and Astronomy (miscellaneous)HadronFOS: Physical sciences7. Clean energy01 natural sciencesMeasure (mathematics)High Energy Physics - ExperimentRenormalizationHigh Energy Physics - Experiment (hep-ex)High Energy Physics - Phenomenology (hep-ph)0103 physical sciencesInvariant massddc:530Sensitivity (control systems)010306 general physicsEngineering (miscellaneous)Quantum chromodynamicsPhysics010308 nuclear & particles physicsHigh Energy Physics::PhenomenologyFísicaObservableHigh Energy Physics - PhenomenologyHiggs-BosonHigh Energy Physics::ExperimentLHCMonte Carlo top quark

description

A new method to measure the top-quark mass in high energetic hadron collisions is presented. We use theoretical predictions calculated at next-to-leading order accuracy in quantum chromodynamics to study the ( normalized) differential distribution of the t (t) over bar + 1-jet cross section with respect to its invariant mass root s(t (t) over barj). The sensitivity of the method to the top-quark mass together with the impact of various theoretical and experimental uncertainties has been investigated and quantified. The new method allows for a complementary measurement of the top-quark mass parameter and has a high potential to become competitive in precision with respect to established approaches. Furthermore we emphasize that in the proposed method the mass parameter is uniquely defined through

10.1140/epjc/s10052-013-2438-2https://bib-pubdb1.desy.de/record/167604