Differential cross-section measurements for the electroweak production of dijets in association with a Z boson in proton–proton collisions at ATLAS
Metadatos
Mostrar el registro completo del ítemEditorial
Springer
Fecha
2021-02-17Referencia bibliográfica
Aad, G., Abbott, B., Abbott, D. C., Abud, A. A., Abeling, K., Abhayasinghe, D. K., ... & Balunas, W. K. (2021). Differential cross-section measurements for the electroweak production of dijets in association with a Z boson in proton–proton collisions at ATLAS. The European Physical Journal C, 81(2), 1-42. [https://doi.org/10.1140/epjc/s10052-020-08734-w]
Patrocinador
ANPCyT; YerPhI, Armenia; Australian Research Council; BMWFW, Austria; Austrian Science Fund (FWF); Azerbaijan National Academy of Sciences (ANAS); SSTC, Belarus; National Council for Scientific and Technological Development (CNPq); Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); Natural Sciences and Engineering Research Council of Canada (NSERC); NRC, Canada; Canada Foundation for Innovation; CERN; Comisión Nacional de Investigación Científica y Tecnológica (CONICYT); Chinese Academy of Sciences; Ministry of Science and Technology, China; National Natural Science Foundation of China (NSFC); Departamento Administrativo de Ciencia, Tecnología e Innovación Colciencias; Ministry of Education, Youth & Sports - Czech Republic Czech Republic Government; Czech Republic Government; Czech Republic Government; Danish Natural Science Research Council; Centre National de la Recherche Scientifique (CNRS); CEA-DRF/IRFU, France; SRNSFG, Georgia; Federal Ministry of Education & Research (BMBF); HGF, Germany; Max Planck Society; Greek Ministry of Development-GSRT; RGC, China; Hong Kong SAR, China; Israel Science Foundation; Benoziyo Center, Israel; Istituto Nazionale di Fisica Nucleare (INFN); Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT); Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) Japan Society for the Promotion of Science; CNRST, Morocco; Netherlands Organization for Scientific Research (NWO) Netherlands Government; RCN, Norway; Ministry of Science and Higher Education, Poland; NCN, Poland; Portuguese Foundation for Science and Technology European Commission; MNE/IFA, Romania; MES of Russia, Russia Federation; NRC KI, Russia Federation; JINR; MESTD, Serbia; MSSR, Slovakia; Slovenian Research Agency - Slovenia; MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC, Sweden; Wallenberg Foundation, Sweden; SERI, Switzerland; Swiss National Science Foundation (SNSF); Canton of Bern, Switzerland; Canton of Geneva, Switzerland; Ministry of Science and Technology, Taiwan; Ministry of Energy & Natural Resources - Turkey; UK Research & Innovation (UKRI) Science & Technology Facilities Council (STFC); United States Department of Energy (DOE); National Science Foundation (NSF); BCKDF, Canada; CANARIE, Canada; Compute Canada, Canada; CRC, Canada; European Research Council (ERC); ERDF, European Union; Horizon 2020, European Union; Marie Sklodowska-Curie Actions, European Union; COST, European Union; French National Research Agency (ANR); German Research Foundation (DFG); Alexander von Humboldt Foundation; Herakleitos programme - EU-ESF; Thales programme - EU-ESF; Aristeia programme - EU-ESF; Greek NSRF, Greece; BSF-NSF, Israel; German-Israeli Foundation for Scientific Research and Development; CERCA Programme Generalitat de Catalunya, Spain; PROMETEO Programme Generalitat Valenciana, Spain; Goran Gustafssons Stiftelse, Sweden; The Royal Society, United Kingdom; Leverhulme TrustResumen
Differential cross-sectionmeasurements are presented
for the electroweak production of two jets in association
with a Z boson. These measurements are sensitive
to the vector-boson fusion production mechanism and provide
a fundamental test of the gauge structure of the Standard
Model. The analysis is performed using proton–proton
collision data collected by ATLAS at
√
s = 13 TeV and
with an integrated luminosity of 139 fb−1. The differential
cross-sections are measured in the Z →
+
− decay
channel ( = e,μ) as a function of four observables: the
dijet invariant mass, the rapidity interval spanned by the
two jets, the signed azimuthal angle between the two jets,
and the transverse momentum of the dilepton pair. The
data are corrected for the effects of detector inefficiency
and resolution and are sufficiently precise to distinguish
between different state-of-the-art theoretical predictions calculated
using Powheg+Pythia8, Herwig7+Vbfnlo and
Sherpa 2.2. The differential cross-sections are used to
search for anomalous weak-boson self-interactions using a
dimension-six effective field theory. Themeasurement of the
signed azimuthal angle between the two jets is found to be
particularly sensitive to the interference between the StandardModel
and dimension-six scattering amplitudes and provides
a direct test of charge-conjugation and parity invariance
in the weak-boson self-interactions.