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Search for direct stau production in events with two hadronic tau-leptons in root s=13 TeV pp collisions with the ATLAS detector

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posted on 2023-06-09, 20:51 authored by N L Abraham, Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, Antonella De SantoAntonella De Santo, Mario Grandi, Samuel Jones, Daniel Christopher Kelsey, G Lerner, F Miano, Batool Safarzadeh Samani, Fabrizio SalvatoreFabrizio Salvatore, Kate ShawKate Shaw, Mario Spina, Thomas StevensonThomas Stevenson, K Suruliz, Mark SuttonMark Sutton, Fabio Tresoldi, Fabrizio Trovato, Iacopo Vivarelli, E Winkels, O J Winston, Ioannis Xiotidis, the ATLAS Collaboration, others
A search for the direct production of the supersymmetric partners oft-leptons (staus) in final stateswith two hadronically decayingt-leptons is presented. The analysis uses a dataset of pp collisions corresponding to an integrated luminosity of139fb-1, recorded with the ATLAS detector at the LargeHadron Collider at a center-of-mass energy of 13 TeV. No significant deviation from the expected StandardModel background is observed. Limits are derived in scenarios of direct production of stau pairs with eachstau decaying into the stable lightest neutralino and onet-lepton in simplified models where the two staumass eigenstates are degenerate. Stau masses from 120 GeV to 390 GeV are excluded at 95% confidencelevel for a massless lightest neutralino.

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Publication status

  • Published

File Version

  • Published version

Journal

Physical Review D

ISSN

2470-0010

Publisher

American Physical Society

Issue

3

Volume

101

Page range

032009-1

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2020-03-30

First Open Access (FOA) Date

2020-03-30

First Compliant Deposit (FCD) Date

2020-03-13

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