Missing Transverse Energy Performance in Minimum-Bias and Jet Events from Proton-Proton Collisions at $\sqrt{s

The Large Hadron Collider (LHC) has successfully delivered proton-proton collision data at a centre-of-mass energy of 7 TeV since the end of March 2010. The studies presented in this note are based on a data sample of up to $11.7$ $\mbox{nb}^{-1}$ of integrated luminosity. We discuss the performance of several different missing transverse energy reconstruction algorithms employed by the CMS experiment using minimum-bias data and data selected to contain high transverse momentum jets. We find that, after the removal of anomalous signals in the calorimeters, the measured missing transverse energy distributions using different algorithms are in general agreement with expectations from the Monte Carlo simulation. An excellent performance of different complementary algorithms will allow a robust physics analysis using missing transverse energy.