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Measurement of the top-quark mass with all-jets final states in pp collisions at 7 TeV
Journal of Physics, Conference Series
A measurement is presented of the top-quark mass in the all-jets channel using a sample of ttbar candidate events requiring at least six jets in the final state. The data have been collected by CMS in pp collisions at 7 TeV and correspond to an integrated luminosity of 3.54/fb. In this channel, a very tight event selection is needed to reduce the huge amount of multi-jet events. In addition, the signal fraction and mass resolution is improved by the use of a kinematic fit. An ideogram method isdoi:10.1088/1742-6596/452/1/012022 fatcat:dvuybxdtsbbifhhztf4hkz5do4