| dc.creator | Alonso, Francisco | |
| dc.creator | Arduh, Francisco Anuar | |
| dc.creator | Dova, María Teresa | |
| dc.creator | Hoya, Joaquín | |
| dc.creator | Monticelli, Fernando Gabriel | |
| dc.creator | Orellana, Gonzalo Enrique | |
| dc.creator | Wahlberg, Hernán Pablo | |
| dc.creator | The ATLAS Collaboration | |
| dc.date | 2020-10-09 | |
| dc.date | 2021-09-17T13:52:37Z | |
| dc.date.accessioned | 2023-07-15T03:16:31Z | |
| dc.date.available | 2023-07-15T03:16:31Z | |
| dc.identifier | http://sedici.unlp.edu.ar/handle/10915/125059 | |
| dc.identifier | issn:1029-8479 | |
| dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/7465092 | |
| dc.description | This paper presents a search for new heavy particles decaying into a pair of top quarks using 139 fb⁻¹ of proton-proton collision data recorded at a centre-of-mass energy of √s = 13 TeV with the ATLAS detector at the Large Hadron Collider. The search is performed using events consistent with pair production of high-transverse-momentum top quarks and their subsequent decays into the fully hadronic final states. The analysis is optimized for resonances decaying into a tt¯ pair with mass above 1.4 TeV, exploiting a dedicated multivariate technique with jet substructure to identify hadronically decaying top quarks using large-radius jets and evaluating the background expectation from data. No significant deviation from the background prediction is observed. Limits are set on the production cross-section times branching fraction for the new Z′ boson in a topcolor-assisted-technicolor model. The Z′ boson masses below 3.9 and 4.7 TeV are excluded at 95% confidence level for the decay widths of 1% and 3%, respectively. | |
| dc.description | La lista completa de autores que integran el documento puede consultarse en el archivo. | |
| dc.description | Facultad de Ciencias Exactas | |
| dc.description | Instituto de Física La Plata | |
| dc.format | application/pdf | |
| dc.language | en | |
| dc.rights | http://creativecommons.org/licenses/by/4.0/ | |
| dc.rights | Creative Commons Attribution 4.0 International (CC BY 4.0) | |
| dc.subject | Ciencias Exactas | |
| dc.subject | Física | |
| dc.subject | Jet substructure | |
| dc.subject | Beyond Standard Model | |
| dc.subject | Hadron-Hadron scattering (experiments) | |
| dc.subject | Heavy quark production | |
| dc.subject | Jets | |
| dc.title | Search for tt¯ resonances in fully hadronic final states in pp collisions at √s = 13 TeV with the ATLAS detector | |
| dc.type | Articulo | |
| dc.type | Articulo | |
