Artículos de revistas
Missing transverse energy performance of the CMS detector
Fecha
2011-09-01Registro en:
Journal Of Instrumentation. Bristol: Iop Publishing Ltd, v. 6, 55 p., 2011.
1748-0221
10.1088/1748-0221/6/09/P09001
WOS:000295828000001
WOS000295828000001.pdf
0000-0003-0471-8549
Autor
Yerevan Phys Inst
Inst Hochenergiephys OeAW
Natl Ctr Particle & High Energy Phys
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Institución
Resumen
During 2010 the LHC delivered pp collisions with a centre-of-mass energy of 7 TeV. paper, the results of comprehensive studies of missing transverse energy as measured by the CMS detector are presented. The results cover the measurements of the scale and resolution for missing transverse energy, and the effects of multiple pp interactions within the same bunch crossings on the scale and resolution. Anomalous measurements of missing transverse energy are studied, and algorithms for their identification are described. The performance of several reconstruction algorithms for calculating missing transverse energy are compared. An algorithm, called missing-transverse-energy significance, which estimates the compatibility of the reconstructed missing transverse energy with zero, is described, and its performance is demonstrated.