Search for top squarks decaying to tau sleptons in pp collisions at s =13 Te v with the ATLAS detector

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Search for top squarks decaying to tau sleptons in pp collisions at s =13 Te v with the ATLAS detector. / Aaboud, M; Åkesson, Torsten; Bocchetta, Simona; Corrigan, Eric; Doglioni, Caterina; Brottmann Hansen, Eva; Hedberg, Vincent; Jarlskog, Göran; Kalderon, Charles; Kellermann, Edgar; Konya, Balazs; Lytken, Else; Mankinen, Katja; Mjörnmark, Ulf; Pöttgen, Ruth; Poulsen, Trine; Smirnova, Oxana; Viazlo, Oleksandr; Zwalinski, L; ATLAS Collaboration.

I: Physical Review D, Vol. 98, Nr. 3, 032008, 2018.

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T1 - Search for top squarks decaying to tau sleptons in pp collisions at s =13 Te v with the ATLAS detector

AU - Aaboud, M

AU - Åkesson, Torsten

AU - Bocchetta, Simona

AU - Corrigan, Eric

AU - Doglioni, Caterina

AU - Brottmann Hansen, Eva

AU - Hedberg, Vincent

AU - Jarlskog, Göran

AU - Kalderon, Charles

AU - Kellermann, Edgar

AU - Konya, Balazs

AU - Lytken, Else

AU - Mankinen, Katja

AU - Mjörnmark, Ulf

AU - Pöttgen, Ruth

AU - Poulsen, Trine

AU - Smirnova, Oxana

AU - Viazlo, Oleksandr

AU - Zwalinski, L

AU - ATLAS Collaboration

N1 - Export Date: 18 October 2018

PY - 2018

Y1 - 2018

N2 - A search for direct pair production of top squarks in final states with two tau leptons, b-jets, and missing transverse momentum is presented. The analysis is based on proton-proton collision data at s=13 TeV corresponding to an integrated luminosity of 36.1 fb-1 recorded with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. Two exclusive channels with either two hadronically decaying tau leptons or one hadronically and one leptonically decaying tau lepton are considered. No significant deviation from the Standard Model predictions is observed in the data. The analysis results are interpreted in terms of model-independent limits and used to derive exclusion limits on the masses of the top squark t1 and the tau slepton τ1 in a simplified model of supersymmetry with a nearly massless gravitino. In this model, masses up to m(t1)=1.16 TeV and m(τ1)=1.00 TeV are excluded at 95% confidence level. © 2018 CERN.

AB - A search for direct pair production of top squarks in final states with two tau leptons, b-jets, and missing transverse momentum is presented. The analysis is based on proton-proton collision data at s=13 TeV corresponding to an integrated luminosity of 36.1 fb-1 recorded with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. Two exclusive channels with either two hadronically decaying tau leptons or one hadronically and one leptonically decaying tau lepton are considered. No significant deviation from the Standard Model predictions is observed in the data. The analysis results are interpreted in terms of model-independent limits and used to derive exclusion limits on the masses of the top squark t1 and the tau slepton τ1 in a simplified model of supersymmetry with a nearly massless gravitino. In this model, masses up to m(t1)=1.16 TeV and m(τ1)=1.00 TeV are excluded at 95% confidence level. © 2018 CERN.

U2 - 10.1103/PhysRevD.98.032008

DO - 10.1103/PhysRevD.98.032008

M3 - Article

VL - 98

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

SN - 1550-2368

IS - 3

M1 - 032008

ER -