Search for top-squark pair production in the single-lepton final state in pp collisions at âˆšs = 8 TeV

Serguei Chatrchyan; Felix Bachmair; Lukas Bäni; Lorenzo Bianchini; Pierluigi Bortignon; Marco A Buchmann; Bruno Casal Laraña; Nicolas Chanon; Amanda Deisher; Günther Dissertori; Michael Dittmar; Mauro Donegà; Marc Dünser; Philipp Eller; Klaus Freudenreich; Christoph Grab; Dmitry Hits; Pierre Lecomte; Werner Lustermann; Boris Mangano; Andrea C Marini; Pablo Martinez Ruiz Del Arbol; Daniel Meister; Niklas Mohr; Filip Moortgat; Christoph Nägeli; Pascal Nef; Francesca Nessi-Tedaldi; Francesco Pandolfi; Luc Pape; Felicitas Pauss; Marco Peruzzi; Milena Quittnat; Frédéric J Ronga; Marco Rossini; Leonardo Sala; Ann-Karin Sanchez; Andrey Starodumov; Maiko Takahashi; Ludwig Tauscher; Alessandro Thea; Konstantinos Theofilatos; Daniel Treille; Christina Urscheler; Rainer Wallny; Hannsjörg A Weber; CMS Collaboration

doi:10.1140/epjc/s10052-013-2677-2

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Search for top-squark pair production in the single-lepton final state in pp collisions at âˆšs = 8 TeV

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Search for top-squark pair production in the single-lepton final state in pp collisions at âˆšs = 8 TeV

Serguei Chatrchyan, Felix Bachmair, Lukas Bäni, Lorenzo Bianchini, Pierluigi Bortignon, Marco A Buchmann, Bruno Casal Laraña, Nicolas Chanon, Amanda Deisher, Günther Dissertori, …

The European physical journal. C, Particles and fields, Vol.73(12), 2677

12/01/2013

DOI: 10.1140/epjc/s10052-013-2677-2

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Abstract

This paper presents a search for the pair production of top squarks in events with a single isolated electron or muon, jets, large missing transverse momentum, and large transverse mass. The data sample corresponds to an integrated luminosity of 19.5 fb−1 of pp collisions collected in 2012 by the CMS experiment at the LHC at a center-of-mass energy of s√=8 TeV. No significant excess in data is observed above the expectation from standard model processes. The results are interpreted in the context of supersymmetric models with pair production of top squarks that decay either to a top quark and a neutralino or to a bottom quark and a chargino. For small mass values of the lightest supersymmetric particle, top-squark mass values up to around 650 GeV are excluded.

High Energy Physics

Experiment

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Title: Subtitle: Search for top-squark pair production in the single-lepton final state in pp collisions at âˆšs = 8 TeV
Creators: Serguei Chatrchyan - CERN
Felix Bachmair
Lukas Bäni
Lorenzo Bianchini
Pierluigi Bortignon
Marco A Buchmann
Bruno Casal Laraña
Nicolas Chanon
Amanda Deisher
Günther Dissertori
Michael Dittmar
Mauro Donegà
Marc Dünser
Philipp Eller
Klaus Freudenreich
Christoph Grab
Dmitry Hits
Pierre Lecomte
Werner Lustermann
Boris Mangano
Andrea C Marini
Pablo Martinez Ruiz Del Arbol
Daniel Meister
Niklas Mohr
Filip Moortgat
Christoph Nägeli
Pascal Nef
Francesca Nessi-Tedaldi
Francesco Pandolfi
Luc Pape
Felicitas Pauss
Marco Peruzzi
Milena Quittnat
Frédéric J Ronga
Marco Rossini
Leonardo Sala
Ann-Karin Sanchez
Andrey Starodumov
Maiko Takahashi
Ludwig Tauscher
Alessandro Thea
Konstantinos Theofilatos
Daniel Treille
Christina Urscheler
Rainer Wallny
Hannsjörg A Weber
CMS Collaboration
Contributors: C. R Newsom (Contributor) - University of Iowa, Physics and Astronomy
Y Onel (Contributor) - University of Iowa, Physics and Astronomy
Resource Type: Journal article
Publication Details: The European physical journal. C, Particles and fields, Vol.73(12), 2677
DOI: 10.1140/epjc/s10052-013-2677-2
NLM abbreviation: Eur Phys J C Part Fields
ISSN: 1434-6044
eISSN: 1434-6052
Publisher: Springer
Language: English
Date published: 12/01/2013
Academic Unit: Physics and Astronomy
Record Identifier: 9984199764702771

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