Measurement of the top-quark mass in $ \mathrm{t}\overline{\mathrm{t}} $ events with lepton+jets final states in pp collisions at $ \sqrt{s}=7 $ TeV

Measurement of the top-quark mass in $ \mathrm{t}\overline{\mathrm{t}} $ events with lepton+jets final states in pp collisions at $ \sqrt{s}=7 $ TeV