Multi-channel search for squarks and gluinos in sqrts=7 TeV pp collisions with the ATLAS detector

ATLAS, Collaboration; Agustoni, Marco; Ancu, Lucian; Battaglia, Andreas; Beck, Hans Peter; Borer, Claudia; Ereditato, Antonio; Gallo, Valentina; Haug, Sigve; Kabana, Sonja; Kruker, Tobias; Marti, Lukas; Pretzl, Klaus-Peter; Schneider, Basil; Sciacca, Gianfranco; Weber, Michael (2013). Multi-channel search for squarks and gluinos in sqrts=7 TeV pp collisions with the ATLAS detector. European physical journal. C - particles and fields, 73(3), p. 2362. EDP Sciences 10.1140/epjc/s10052-013-2362-5

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A search for supersymmetric particles in final states with zero, one, and two leptons, with and without jets identified as originating from b-quarks, in 4.7 fb(-1) of root s = 7 TeV pp collisions produced by the Large Hadron Collider and recorded by the ATLAS detector is presented. The search uses a set of variables carrying information on the event kinematics transverse and parallel to the beam line that are sensitive to several topologies expected in supersymmetry. Mutually exclusive final states are defined, allowing a combination of all channels to increase the search sensitivity. No deviation from the Standard Model expectation is observed. Upper limits at 95 % confidence level on visible cross-sections for the production of new particles are extracted. Results are interpreted in the context of the constrained minimal supersymmetric extension to the Standard Model and in supersymmetry-inspired models with diverse, high-multiplicity final states.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Physics Institute > Laboratory for High Energy Physics (LHEP)
10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC)

UniBE Contributor:

Agustoni, Marco; Ancu, Lucian; Battaglia, Andreas; Beck, Hans Peter; Borer, Claudia; Ereditato, Antonio; Gallo, Valentina; Haug, Sigve; Kruker, Tobias; Marti, Lukas; Pretzl, Klaus-Peter; Schneider, Basil; Sciacca, Gianfranco and Weber, Michael

Subjects:

500 Science > 530 Physics

ISSN:

1434-6044

Publisher:

EDP Sciences

Language:

English

Submitter:

Andrea Stettler

Date Deposited:

17 Sep 2014 16:15

Last Modified:

19 Mar 2019 09:57

Publisher DOI:

10.1140/epjc/s10052-013-2362-5

Web of Science ID:

000318290600030

ArXiv ID:

1212.6149v1

Additional Information:

Kollaboration - Es sind nur die Berner Autoren namentlich erwähnt.

BORIS DOI:

10.7892/boris.58390

URI:

https://boris.unibe.ch/id/eprint/58390

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