ATLAS Run 1 searches for direct pair production of third-generation squarks at the Large Hadron Collider

Abstract : This paper reviews and extends searches for the direct pair production of the scalar supersymmetric partners of the top and bottom quarks in proton--proton collisions collected by the ATLAS collaboration during the LHC Run 1. Most of the analyses use 20 fb$^{-1}$ of collisions at a centre-of-mass energy of $\sqrt{s} = 8$ TeV, although in some case an additional 4.7 fb$^{-1}$ of collision data at $\sqrt{s}= 7$ TeV are used. New analyses are introduced to improve the sensitivity to specific regions of the model parameter space. Since no evidence of third-generation squarks is found, exclusion limits are derived by combining several analyses and are presented in both a simplified model framework, assuming simple decay chains, as well as within the context of more elaborate phenomenological supersymmetric models.
Type de document :
Article dans une revue
European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2015, 75, pp.510. 〈10.1140/epjc/s10052-015-3726-9〉

http://hal.in2p3.fr/in2p3-01169690
Contributeur : Emmanuelle Vernay <>
Soumis le : mardi 30 juin 2015 - 08:59:00
Dernière modification le : mardi 24 juillet 2018 - 15:46:14

Citation

G. Aad, S. Albrand, J. Brown, J. Collot, S. Crépé-Renaudin, et al.. ATLAS Run 1 searches for direct pair production of third-generation squarks at the Large Hadron Collider. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2015, 75, pp.510. 〈10.1140/epjc/s10052-015-3726-9〉. 〈in2p3-01169690〉

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