Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/11556
Title: Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at √s= 8TeV
Authors: The, CMSC
Khachatryan, V
Sirunyan, AM
Tumasyan, A
Adam, W
Asilar, E
Bergauer, T
Brandstetter, J
Brondolin, E
Dragicevic, M
Erö, J
Flechl, M
Friedl, M
Frühwirth, R
Ghete, VM
Hartl, C
Hörmann, N
Hrubec, J
Jeitler, M
Knünz, V
König, A
Krammer, M
Krätschmer, I
Liko, D
Matsushita, T
Mikulec, I
Rabady, D
Rahbaran, B
Rohringer, H
Schieck, J
Schöfbeck, R
Strauss, J
Treberer-Treberspurg, W
Waltenberger, W
Wulz, CE
Mossolov, V
Shumeiko, N
Suarez Gonzalez, J
Alderweireldt, S
Cornelis, T
De Wolf, EA
Janssen, X
Knutsson, A
Lauwers, J
Luyckx, S
Ochesanu, S
Rougny, R
Van De Klundert, M
Van Haevermaet, H
Van Mechelen, P
Van Remortel, N
Van Spilbeeck, A
Abu Zeid, S
Blekman, F
D Hondt, J
Daci, N
De Bruyn, I
Deroover, K
Heracleous, N
Keaveney, J
Lowette, S
Moreels, L
Olbrechts, A
Python, Q
Strom, D
Tavernier, S
Van Doninck, W
Van Mulders, P
Van Onsem, GP
Van Parijs, I
Barria, P
Caillol, C
Clerbaux, B
De Lentdecker, G
Delannoy, H
Dobur, D
Fasanella, G
Favart, L
Gay, APR
Grebenyuk, A
Léonard, A
Mohammadi, A
Perniè, L
Randleconde, A
Reis, T
Seva, T
Thomas, L
Vander Velde, C
Vanlaer, P
Wang, J
Zenoni, F
Zhang, F
Beernaert, K
Keywords: Exotics;Hadron-Hadron Scattering
Issue Date: 2015
Publisher: Springer Berlin Heidelberg
Citation: Journal of High Energy Physics, 2015: 201, (2015)
Abstract: A search for pair production of neutral color-octet weak-triplet scalar particles (Θ0) is performed in processes where one Θ0 decays to a pair of b quark jets and the other to a Z boson plus a jet, with the Z boson decaying to a pair of electrons or muons. The search is performed with data collected by the CMS experiment at the CERN LHC corresponding to an integrated luminosity of 19.7 fb−1 of proton-proton collisions at √s = 8TeV. The number of observed events is found to be in agreement with the standard model predictions. The 95% confidence level upper limit on the product of the cross section and branching fraction is obtained as a function of the Θ0 mass. The 95% confidence level lower bounds on the Θ0 mass are found to be 623 and 426 GeV, for two different octo-triplet theoretical scenarios. These are the first direct experimental bounds on particles predicted by the octo-triplet model.
URI: http://link.springer.com/article/10.1007%2FJHEP09%282015%29201
http://bura.brunel.ac.uk/handle/2438/11556
DOI: http://dx.doi.org/10.1007/JHEP09(2015)201
ISSN: 1126-6708
1029-8479
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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