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Measurement of differential cross sections for Z boson pair production in association with jets at s=8 and 13 TeV

Author(s): Sirunyan, AM; Tumasyan, A; Adam, W; Ambrogi, F; Asilar, E; et al

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Abstract: © 2018 The Author(s) 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.
Publication Date: 10-Feb-2019
Citation: Sirunyan, AM, Tumasyan, A, Adam, W, Ambrogi, F, Asilar, E, Bergauer, T, Brandstetter, J, Dragicevic, M, Erö, J, Escalante Del Valle, A, Flechl, M, Frühwirth, R, Ghete, VM, Hrubec, J, Jeitler, M, Krammer, N, Krätschmer, I, Liko, D, Madlener, T, Mikulec, I, Rad, N, Rohringer, H, Schieck, J, Schöfbeck, R, Spanring, M, Spitzbart, D, Taurok, A, Waltenberger, W, Wittmann, J, Wulz, CE, Zarucki, M, Chekhovsky, V, Mossolov, V, Suarez Gonzalez, J, De Wolf, EA, Di Croce, D, Janssen, X, Lauwers, J, Pieters, M, Van De Klundert, M, Van Haevermaet, H, Van Mechelen, P, Van Remortel, N, Abu Zeid, S, Blekman, F, D'Hondt, J, De Bruyn, I, De Clercq, J, Deroover, K, Flouris, G, Lontkovskyi, D, Lowette, S, Marchesini, I, Moortgat, S, Moreels, L, Python, Q, Skovpen, K, Tavernier, S, Van Doninck, W, Van Mulders, P, Van Parijs, I, Beghin, D, Bilin, B, Brun, H, Clerbaux, B, De Lentdecker, G, Delannoy, H, Dorney, B, Fasanella, G, Favart, L, Goldouzian, R, Grebenyuk, A, Kalsi, AK, Lenzi, T, Luetic, J, Postiau, N, Starling, E, Thomas, L, Vander Velde, C, Vanlaer, P, Vannerom, D, Wang, Q, Cornelis, T, Dobur, D, Fagot, A, Gul, M, Khvastunov, I, Poyraz, D, Roskas, C, Trocino, D, Tytgat, M, Verbeke, W, Vermassen, B, Vit, M, Zaganidis, N, Bakhshiansohi, H, Bondu, O, Brochet, S, Bruno, G. (2019). Measurement of differential cross sections for Z boson pair production in association with jets at s=8 and 13 TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 789 (19 - 44. doi:10.1016/j.physletb.2018.11.007
DOI: doi:10.1016/j.physletb.2018.11.007
ISSN: 0370-2693
Pages: 19 - 44
Type of Material: Journal Article
Journal/Proceeding Title: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics



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