Performance of the CMS missing transverse momentum reconstruction in pp data at $$\sqrt{s}$$ = 8 TeV
Abstract
The performance of missing transverse energy reconstruction algorithms is presented by our team using√s=8 TeV proton-proton (pp) data collected with the CMS detector. Events with anomalous missing transverse energy are studied, and the performance of algorithms used to identify and remove these events is presented. The scale and resolution for missing transverse energy, including the effects of multiple pp interactions (pileup), are measured using events with an identified Z boson or isolated photon, and are found to be well described by the simulation. Novel missing transverse energy reconstruction algorithms developed specifically to mitigate the effects of large numbers of pileup interactions on the missing transverse energy resolution are presented. These algorithms significantly reduce the dependence of the missing transverse energy resolution on pileup interactions. Furthermore, an algorithm that provides an estimate of the significance of the missing transverse energy is presented, which is used to estimate the compatibility of the reconstructed missing transverse energy with a zero nominal value.
- Authors:
-
- Yerevan Physics Inst. (YerPhI) (Armenia). et al.
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- CMS Collaboration
- OSTI Identifier:
- 1234862
- Report Number(s):
- FERMILAB-PUB-14-492-CMS; CERN-PH-EP-2014-246; CMS-JME-13-003
Journal ID: ISSN 1748-0221; arXiv eprint number arXiv:1411.0511; TRN: US1600705
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Instrumentation
- Additional Journal Information:
- Journal Volume: 10; Journal ID: ISSN 1748-0221
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Khachatryan, Vardan. Performance of the CMS missing transverse momentum reconstruction in pp data at $\sqrt{s}$ = 8 TeV. United States: N. p., 2015.
Web. doi:10.1088/1748-0221/10/02/P02006.
Khachatryan, Vardan. Performance of the CMS missing transverse momentum reconstruction in pp data at $\sqrt{s}$ = 8 TeV. United States. https://doi.org/10.1088/1748-0221/10/02/P02006
Khachatryan, Vardan. Thu .
"Performance of the CMS missing transverse momentum reconstruction in pp data at $\sqrt{s}$ = 8 TeV". United States. https://doi.org/10.1088/1748-0221/10/02/P02006. https://www.osti.gov/servlets/purl/1234862.
@article{osti_1234862,
title = {Performance of the CMS missing transverse momentum reconstruction in pp data at $\sqrt{s}$ = 8 TeV},
author = {Khachatryan, Vardan},
abstractNote = {The performance of missing transverse energy reconstruction algorithms is presented by our team using√s=8 TeV proton-proton (pp) data collected with the CMS detector. Events with anomalous missing transverse energy are studied, and the performance of algorithms used to identify and remove these events is presented. The scale and resolution for missing transverse energy, including the effects of multiple pp interactions (pileup), are measured using events with an identified Z boson or isolated photon, and are found to be well described by the simulation. Novel missing transverse energy reconstruction algorithms developed specifically to mitigate the effects of large numbers of pileup interactions on the missing transverse energy resolution are presented. These algorithms significantly reduce the dependence of the missing transverse energy resolution on pileup interactions. Furthermore, an algorithm that provides an estimate of the significance of the missing transverse energy is presented, which is used to estimate the compatibility of the reconstructed missing transverse energy with a zero nominal value.},
doi = {10.1088/1748-0221/10/02/P02006},
journal = {Journal of Instrumentation},
number = ,
volume = 10,
place = {United States},
year = {Thu Feb 12 00:00:00 EST 2015},
month = {Thu Feb 12 00:00:00 EST 2015}
}
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