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Search for anomalous couplings in boosted WW/WZ -˃ l upsilon q(q)over-bar production in proton-proton collisions at root s=8TeV

Title
Search for anomalous couplings in boosted WW/WZ -˃ l upsilon q(q)over-bar production in proton-proton collisions at root s=8TeV
Author
김태정
Keywords
CMS; Physics; aTGC
Issue Date
2017-06
Publisher
ELSEVIER SCIENCE BV
Citation
PHYSICS LETTERS B, v. 772, page. 21-42
Abstract
This Letter presents a search for new physics manifested as anomalous triple gauge boson couplings in WW and WZ diboson production in proton-proton collisions. The search is performed using events containing a W boson that decays leptonically and a W or Zboson whose decay products are merged into a single reconstructed jet. The data, collected at root s= 8TeVwith the CMS detector at the LHC, correspond to an integrated luminosity of 19 fb(-1). No evidence for anomalous triple gauge couplings is found and the following 95% confidence level limits are set on their values: lambda([-0.011, 0.011]), Delta(kappa gamma)([-0.044, 0.063]), and Delta g(1)(Z)([-0.0087, 0.024]). These limits are also translated into their effective field theory equivalents: c(WWW)/Lambda(2)([- 2.7, 2.7] TeV-2), c(B)/Lambda(2)([-14, 17] TeV-2), and cW/Lambda(2)([- 2.0, 5.7] TeV-2). (C) 2017 The Author. Published by Elsevier B.V.
URI
https://www.sciencedirect.com/science/article/pii/S0370269317304690?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/114478
ISSN
0370-2693; 1873-2445
DOI
10.1016/j.physletb.2017.06.009
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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