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

UNSPECIFIED (2022) Observation of WWW Production in pp Collisions at sqrt[s]=13  TeV with the ATLAS Detector. Physical review letters, 129 (6): 061803. ISSN 1079-7114

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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.

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Journal Article
Journal or Publication Title:
Physical review letters
Uncontrolled Keywords:
?? elementary particlesstatisticsa-centeratlas detectorscenter-of-mass energiescentre-of-mass energiescharged leptonslarge hadron colliderlarge-hadron collidersmeasurements ofproton proton collisionsstandard deviationtellurium compoundsphysics and astronomy( ??
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13 Oct 2022 13:40
Last Modified:
14 Feb 2024 01:36