Measurement of differential cross sections for Z boson pair production in association with jets at vs=8 and 13 TeV / А. М. Sirunyan [et al.]

Уровень набора: Physics Letters BАльтернативный автор-лицо: Sirunyan, А. М.;Tumasyan, A. R.;Adam, W., Wolfgang;Ambrogi, F., Federico;Babaev, A. A., physicist, engineer-issledovatelskogo Polytechnic University, candidate of physical and mathematical Sciences, 1981-, Anton Anatoljevich;Okhotnikov, V. V., physicist, engineer of Tomsk Polytechnic University, 1992-, Vitaly VladimirovichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет, Исследовательская школа физики высокоэнергетических процессов, (2017- );Национальный исследовательский Томский политехнический университет, Инженерная школа новых производственных технологий, Научно-производственная лаборатория "Импульсно-пучковых, электроразрядных и плазменных технологий"Язык: английский.Резюме или реферат: This Letter reports measurements of differential cross sections for the production of two Z bosons in association with jets in proton-proton collisions at s=8 and 13 TeV. The analysis is based on data samples collected at the LHC with the CMS detector, corresponding to integrated luminosities of 19.7 and 35.9fb−1 at 8 and 13 TeV, respectively. The measurements are performed in the leptonic decay modes ZZ→ℓ+ℓ−ℓ′+ℓ′−, where ℓ,ℓ′=e,μ. The differential cross sections as a function of the jet multiplicity, the transverse momentum pT, and pseudorapidity of the pT -leading and subleading jets are presented. In addition, the differential cross sections as a function of variables sensitive to the vector boson scattering, such as the invariant mass of the two pT -leading jets and their pseudorapidity separation, are reported. The results are compared to theoretical predictions and found in good agreement within the theoretical and experimental uncertainties..Примечания о наличии в документе библиографии/указателя: [References.: 53 tit.].Тематика: электронный ресурс | труды учёных ТПУ | физика Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References.: 53 tit.]

This Letter reports measurements of differential cross sections for the production of two Z bosons in association with jets in proton-proton collisions at s=8 and 13 TeV. The analysis is based on data samples collected at the LHC with the CMS detector, corresponding to integrated luminosities of 19.7 and 35.9fb−1 at 8 and 13 TeV, respectively. The measurements are performed in the leptonic decay modes ZZ→ℓ+ℓ−ℓ′+ℓ′−, where ℓ,ℓ′=e,μ. The differential cross sections as a function of the jet multiplicity, the transverse momentum pT, and pseudorapidity of the pT -leading and subleading jets are presented. In addition, the differential cross sections as a function of variables sensitive to the vector boson scattering, such as the invariant mass of the two pT -leading jets and their pseudorapidity separation, are reported. The results are compared to theoretical predictions and found in good agreement within the theoretical and experimental uncertainties.

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