Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/102720
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Type: Journal article
Title: Search for massive supersymmetric particles decaying to many jets using the ATLAS detector in pp collisions at √s =8 TeV
Other Titles: Search for massive supersymmetric particles decaying to many jets using the ATLAS detector in pp collisions at root s =8 TeV
Author: Aad, G.
Abbott, B.
Abdallah, J.
Abdel Khalek, S.
Abdinov, O.
Aben, R.
Abi, B.
Abolins, M.
Abouzeid, O.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
Agatonovic-Jovin, T.
et al.
Citation: Physical Review D - Particles, Fields, Gravitation and Cosmology, 2015; 91(11):112016-1-112016-37
Publisher: American Physical Society
Issue Date: 2015
ISSN: 1550-7998
1550-2368
Statement of
Responsibility: 
G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (The ATLAS Collaboration)
Abstract: Results of a search for decays of massive particles to fully hadronic final states are presented. This search uses 20.3  fb−1 of data collected by the ATLAS detector in s√=8  TeV proton-proton collisions at the LHC. Signatures based on high jet multiplicities without requirements on the missing transverse momentum are used to search for R-parity-violating supersymmetric gluino pair production with subsequent decays to quarks. The analysis is performed using a requirement on the number of jets, in combination with separate requirements on the number of b-tagged jets, as well as a topological observable formed from the scalar sum of the mass values of large-radius jets in the event. Results are interpreted in the context of all possible branching ratios of direct gluino decays to various quark flavors. No significant deviation is observed from the expected Standard Model backgrounds estimated using jet counting as well as data-driven templates of the total-jet-mass spectra. Gluino pair decays to ten or more quarks via intermediate neutralinos are excluded for a gluino with mass mg˜<1  TeV for a neutralino mass mχ˜01=500  GeV. Direct gluino decays to six quarks are excluded for mg˜<917  GeV for light-flavor final states, and results for various flavor hypotheses are presented.
Rights: © 2015 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
RMID: 0030031645
DOI: 10.1103/PhysRevD.91.112016
Appears in Collections:Physics publications

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