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Search for new phenomena in events with high jet multiplicity and low missing transverse momentum in proton-proton collisions at root s=8TeV

Title
Search for new phenomena in events with high jet multiplicity and low missing transverse momentum in proton-proton collisions at root s=8TeV
Author
김태정
Keywords
CMS; Physics; Exotics; Jets; Strong dynamics; Axigluon
Issue Date
2017-04
Publisher
ELSEVIER SCIENCE BV
Citation
PHYSICS LETTERS B, v. 770, page. 257-267
Abstract
A dedicated search is presented for new phenomena in inclusive 8- and 10-jet final states with low missing transverse momentum, with and without identification of jets originating from b quarks. The analysis is based on data from proton proton collisions corresponding to an integrated luminosity of 19.7 fb(-1) collected with the CMS detector at the LHC at root s = 8 TeV. The dominant multijet background expectations are obtained from low jet multiplicity control samples. Data agree well with the standard model background predictions, and limits are set in several benchmark models. Colorons (axigluons) with masses between 0.6 and 0.75 (up to 1.15)TeV are excluded at 95% confidence level. Similar exclusion limits for gluinos in R-parity violating supersymmetric scenarios are from 0.6 up to 1.1 TeV. These results comprise the first experimental probe of the coloron and axigluon models in multijet final states. (C) 2017 The Author(s). Published by Elsevier B.V.
URI
https://www.sciencedirect.com/science/article/pii/S0370269317301144?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/113623
ISSN
0370-2693; 1873-2445
DOI
10.1016/j.physletb.2017.01.073
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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