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Observation of WWW Production in pp Collisions at s =13 TeV with the ATLAS Detector

Aad G.
•
Abbott B.
•
Abbott D. C.
altro
Zwalinski L.
2022
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
This Letter reports the observation of WWW production and a measurement of its cross section using 139 fb-1 of proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. Events with two same-sign leptons (electrons or muons) and at least two jets, as well as events with three charged leptons, are selected. A multivariate technique is then used to discriminate between signal and background events. Events from WWW production are observed with a significance of 8.0 standard deviations, where the expectation is 5.4 standard deviations. The inclusive WWW production cross section is measured to be 820±100 (stat)±80 (syst) fb, approximately 2.6 standard deviations from the predicted cross section of 511±18 fb calculated at next-to-leading-order QCD and leading-order electroweak accuracy.
DOI
10.1103/PhysRevLett.129.061803
Archivio
http://hdl.handle.net/11390/1235283
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85136516437
https://ricerca.unityfvg.it/handle/11390/1235283
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