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Combined searches for the production of supersymmetric top quark partners in proton–proton collisions at √s=13Te
Authors
W Adam
GA Alves
+105 more
JW Andrejkovic
D Beghin
MV Bemden
T Bergauer
A Bethani
B Bilin
F Blekman
ES Bols
G Bruno
F Bury
C Caputo
S Chatterjee
V Chekhovsky
B Clerbaux
K Coldham
JE Cole
T Cornelis
MR Darwish
P David
J De Clercq
G De Lentdecker
EA De Wolf
AE Del Valle
C Delaere
M Delcourt
D Dobur
IS Donertas
WV Doninck
M Dragicevic
J D’Hondt
H El Faham
L Favart
R Frühwirth
A Giammanco
A Grebenyuk
K Jaffel
S Jain
X Janssen
M Jeitler
AK Kalsi
T Kello
A Khan
J Knolle
N Krammer
P Kyberd
L Lambrecht
L Lechner
K Lee
A Lelek
V Lemaitre
D Liko
A Litomin
S Lowette
M Mahdavikhorrami
I Makarenko
V Makarenko
PV Mechelen
G Mestdach
I Mikulec
K Mondal
S Moortgat
A Morton
L Moureaux
PV Mulders
D Müller
M Niedziela
P Paulitsch
FM Pitters
A Popov
N Postiau
J Prisciandaro
SV Putte
L Pétré
ID Reid
C Roskas
AR Sahasransu
A Samalan
J Schieck
R Schöfbeck
HR Sfar
K Skovpen
M Spanring
E Starling
A Taliercio
S Tavernier
M Teklishyn
S Templ
L Teodorescu
L Thomas
TT Tran
A Tumasyan
M Tytgat
N Van Remortel
P Vanlaer
D Vannerom
CV Velde
W Verbeke
B Vermassen
P Vischia
M Vit
W Waltenberger
S Wertz
L Wezenbeek
CE Wulz
S Zahid
Publication date
1 January 2021
Publisher
'Springer Science and Business Media LLC'
Doi
Abstract
Data Availability Statement: This manuscripthasnoassociateddataor the data will not be deposited. [Authors’ comment: Release and preservation of data used by the CMS Collaboration as the basis for publications is guided by the CMS policy as written in its document “CMS data preservation, re-use and open access policy” (https://cms-docdb.cern.ch/cgi-bin/PublicDocDB/RetrieveFile?docid=6032&filename=CMS DataPolicyV1.2.pdf&version=2).]. A preprint version of the article is available at arXiv (https://arxiv.org/abs/2107.10892).Copyright © CERN for the benefit of the CMS collaboration 2021. A combination of searches for top squark pair production using proton–proton collision data at a center-of-mass energy of 13Te at the CERN LHC, corresponding to an integrated luminosity of 137fb-1 collected by the CMS experiment, is presented. Signatures with at least 2 jets and large missing transverse momentum are categorized into events with 0, 1, or 2 leptons. New results for regions of parameter space where the kinematical properties of top squark pair production and top quark pair production are very similar are presented. Depending on the model, the combined result excludes a top squark mass up to 1325Ge for a massless neutralino, and a neutralino mass up to 700Ge for a top squark mass of 1150Ge. Top squarks with masses from 145 to 295Ge, for neutralino masses from 0 to 100Ge, with a mass difference between the top squark and the neutralino in a window of 30Ge around the mass of the top quark, are excluded for the first time with CMS data. The results of theses searches are also interpreted in an alternative signal model of dark matter production via a spin-0 mediator in association with a top quark pair. Upper limits are set on the cross section for mediator particle masses of up to 420Ge.SCOAP3
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eScholarship - University of California
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oai:escholarship.org:ark:/1303...
Last time updated on 25/12/2021
Sustaining member
Brunel University Research Archive
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oai:bura.brunel.ac.uk:2438/243...
Last time updated on 14/04/2022