An observation is reported of the electroweak production of a W+W- pair in association with two jets, with both W bosons decaying leptonically. The data sample corresponds to an integrated luminosity of 138 fb(-1) of proton-proton collisions at root s =13 TeV, collected by the CMS detector at the CERN LHC. Events are selected by requiring exactly two opposite-sign leptons (electrons or muons) and two jets with large pseudorapidity separation and high dijet invariant mass. Events are categorized based on the flavor of the final-state leptons. A signal is observed with a significance of 5.6 standard deviations (5.2 expected) with respect to the background-only hypothesis. The measured fiducial cross section is 10.2 +/- 2.0 fb and this value is consistent with the standard model prediction of 9.1 +/- 0.6 fb. (c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

Observation of electroweak W+W- pair production in association with two jets in proton-proton collisions at √s=13 TeV / Tumasyan, A., Collaboration, T.c., Adam, W., Andrejkovic, J.w., Bergauer, T., Chatterjee, S., Damanakis, K., Dragicevic, M., Del Valle, A.e., Frühwirth, R., Jeitler, M., Krammer, N., Lechner, L., Liko, D., Mikulec, I., Paulitsch, P., Pitters, F.m., Schieck, J., Schöfbeck, R., Schwarz, D., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 841:(2023). [10.1016/j.physletb.2022.137495]

Observation of electroweak W+W- pair production in association with two jets in proton-proton collisions at √s=13 TeV

Iaselli, G;Pugliese, G;Ramos, D;
2023

Abstract

An observation is reported of the electroweak production of a W+W- pair in association with two jets, with both W bosons decaying leptonically. The data sample corresponds to an integrated luminosity of 138 fb(-1) of proton-proton collisions at root s =13 TeV, collected by the CMS detector at the CERN LHC. Events are selected by requiring exactly two opposite-sign leptons (electrons or muons) and two jets with large pseudorapidity separation and high dijet invariant mass. Events are categorized based on the flavor of the final-state leptons. A signal is observed with a significance of 5.6 standard deviations (5.2 expected) with respect to the background-only hypothesis. The measured fiducial cross section is 10.2 +/- 2.0 fb and this value is consistent with the standard model prediction of 9.1 +/- 0.6 fb. (c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
2023
Observation of electroweak W+W- pair production in association with two jets in proton-proton collisions at √s=13 TeV / Tumasyan, A., Collaboration, T.c., Adam, W., Andrejkovic, J.w., Bergauer, T., Chatterjee, S., Damanakis, K., Dragicevic, M., Del Valle, A.e., Frühwirth, R., Jeitler, M., Krammer, N., Lechner, L., Liko, D., Mikulec, I., Paulitsch, P., Pitters, F.m., Schieck, J., Schöfbeck, R., Schwarz, D., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 841:(2023). [10.1016/j.physletb.2022.137495]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/263136
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