| 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 | 2019-11-25 | |
| dc.date | 2021-10-13T17:13:39Z | |
| dc.date.accessioned | 2023-07-15T03:07:14Z | |
| dc.date.available | 2023-07-15T03:07:14Z | |
| dc.identifier | http://sedici.unlp.edu.ar/handle/10915/126586 | |
| dc.identifier | issn:1434-6044 | |
| dc.identifier | issn:1434-6052 | |
| dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/7464515 | |
| dc.description | The algorithms used by the ATLAS Collaboration during Run 2 of the Large Hadron Collider to identify jets containing b-hadrons are presented. The performance of the algorithms is evaluated in the simulation and the efficiency with which these algorithms identify jets containing b-hadrons is measured in collision data. The measurement uses a likelihood-based method in a sample highly enriched in tt ¯ events. The topology of the t → W b decays is exploited to simultaneously measure both the jet flavour composition of the sample and the efficiency in a transverse momentum range from 20 to 600 GeV. The efficiency measurement is subsequently compared with that predicted by the simulation. The data used in this measurement, corresponding to a total integrated luminosity of 80.5 fb−1, were collected in proton–proton collisions during the years 2015–2017 at a centre-of-mass energy √s = 13 TeV. By simultaneously extracting both the efficiency and jet flavour composition, this measurement significantly improves the precision compared to previous results, with uncertainties ranging from 1 to 8% depending on the jet transverse momentum. | |
| dc.description | La lista completa de autores puede verse al final del archivo asociado. | |
| 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 | Física | |
| dc.subject | Particle physics | |
| dc.subject | Physics | |
| dc.subject | Bottom quark | |
| dc.subject | Atlas (topology) | |
| dc.subject | Top quark | |
| dc.subject | Particle identification | |
| dc.subject | Statistical analysis | |
| dc.subject | Large hadron collider | |
| dc.title | ATLAS b-jet identification performance and efficiency measurement with tt¯ events in pp collisions at √s = 13 TeV | |
| dc.type | Articulo | |
| dc.type | Articulo | |
