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Measurement of the top quark mass in the all-jets final state at and combination with the lepton+jets channel. | LitMetric

AI Article Synopsis

Article Abstract

A top quark mass measurement is performed using of LHC proton-proton collision data collected with the CMS detector at . The measurement uses the all-jets final state. A kinematic fit is performed to reconstruct the decay of the  system and suppress the multijet background. Using the ideogram method, the top quark mass ( ) is determined, simultaneously constraining an additional jet energy scale factor ( ). The resulting value of is in good agreement with previous measurements. In addition, a combined measurement that uses the lepton+jets and all-jets final states is presented, using the same mass extraction method, and provides an measurement of . This is the first combined extraction from the lepton+jets and all-jets channels through a single likelihood function.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6454813PMC
http://dx.doi.org/10.1140/epjc/s10052-019-6788-2DOI Listing

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