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Measurement of the tt¯ production cross section in the t+þ jets final state in pp collisions at vs=8 TeV using the ATLAS detector

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posted on 2023-06-09, 07:22 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, C A Chavez Barajas, Antonella De SantoAntonella De Santo, Fabrizio SalvatoreFabrizio Salvatore, I Santoyo Castillo, K Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, The ATLAS Collaboration
A measurement of the inclusive pp ? tt¯ + X production cross section in the t + jets final state using only the hadronic decays of the t lepton is presented. The measurement is performed using 20.2 fb-¹ of proton-proton collision data recorded at a center-of-mass energy of vs=8 TeV with the ATLAS detector at the Large Hadron Collider. The cross section is measured via a counting experiment by imposing a set of selection criteria on the identification and kinematic variables of the reconstructed particles and jets, and on event kinematic variables and characteristics. The production cross section is measured to be stt¯= 239 ± 29 pb, which is in agreement with the measurements in other final states and the theoretical predictions at this center-of-mass energy.

Funding

ATLAS; G0275; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/I006048/1

History

Publication status

  • Published

File Version

  • Published version

Journal

Physical Review D

ISSN

2470-0010

Publisher

American Physical Society

Issue

7

Volume

95

Page range

072003

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Experimental Particle Physics Research Group Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-07-24

First Open Access (FOA) Date

2017-07-24

First Compliant Deposit (FCD) Date

2017-07-24

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