Logo del repository
  1. Home
 
Opzioni

Search for direct pair production of the top squark in all-hadronic final states in proton-proton collisions at s $$ \sqrts $$ = 8 TeV with the ATLAS detector

Aad, G.
•
Abbott, B.
•
Abdallah, J.
altro
GIORDANI, Mario
2014
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
The results of a search for direct pair production of the scalar partner to the top quark using an integrated luminosity of 20.1 fb-1 of proton-proton collision data at yfs = 8 TeV recorded with the ATLAS detector at the LHC are reported. The top squark is assumed to decay via t → t χ ̄01 or t → b χ1 → bW(*)χ- 0 1, where χ- 0 1 (x1) denotes the lightest neutralino (chargino) in supersymmetric models. The search targets a fully-hadronic final state in events with four or more jets and large missing transverse momentum. No significant excess over the Standard Model background prediction is observed, and exclusion limits are reported in terms of the top squark and neutralino masses and as a function of the branching fraction of t → t χ-0 1. For a branching fraction of 100%, top squark masses in the range 270-645 GeV are excluded for χ-0 1 masses below 30GeV. For a branching fraction of 50% to either t → t χ-0 1 or t → b χ-0 1, and assuming the χ ̄1 mass to be twice the χ-0 1 mass, top squark masses in the range 250-550 GeV are excluded for χ-0 1 masses below 60 GeV.
DOI
10.1007/JHEP09(2014)015
WOS
WOS:000341821700001
Archivio
http://hdl.handle.net/11390/1110050
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84925862464
Diritti
metadata only access
Scopus© citazioni
55
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
73
Data di acquisizione
Mar 11, 2024
google-scholar
Get Involved!
  • Source Code
  • Documentation
  • Slack Channel
Make it your own

DSpace-CRIS can be extensively configured to meet your needs. Decide which information need to be collected and available with fine-grained security. Start updating the theme to match your nstitution's web identity.

Need professional help?

The original creators of DSpace-CRIS at 4Science can take your project to the next level, get in touch!

Realizzato con Software DSpace-CRIS - Estensione mantenuta e ottimizzata da 4Science

  • Impostazioni dei cookie
  • Informativa sulla privacy
  • Accordo con l'utente finale
  • Invia il tuo Feedback