Bibcode
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; Escalante Del Valle, A.; Flechl, M.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Grossmann, J.; Hrubec, J.; Jeitler, M.; König, A.; Krammer, N.; Krätschmer, I.; Liko, D.; Madlener, T.; Mikulec, I.; Pree, E.; Rad, N.; Rohringer, H.; Schieck, J.; Schöfbeck, R.; Spanring, M.; Spitzbart, D.; Taurok, A.; Waltenberger, W.; Wittmann, J.; Wulz, C.-E.; Zarucki, M.; Chekhovsky, V.; Mossolov, V.; Suarez Gonzalez, J.; De Wolf, E. A.; 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, A. K.; Lenzi, T.; Luetic, J.; Seva, T.; Starling, E.; Vander Velde, C.; Vanlaer, P.; Vannerom, D.; Yonamine, R.; 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. et al.
Referencia bibliográfica
Journal of High Energy Physics, Volume 2018, Issue 6, article id. 120, 44 pp.
Fecha de publicación:
6
2018
Número de citas
93
Número de citas referidas
86
Descripción
A search is presented for new high-mass resonances decaying into
electron or muon pairs. The search uses proton-proton collision data at
a centre-of-mass energy of 13 TeV collected by the CMS experiment at the
LHC in 2016, corresponding to an integrated luminosity of 36
fb-1. Observations are in agreement with standard model
expectations. Upper limits on the product of a new resonance production
cross section and branching fraction to dileptons are calculated in a
model-independent manner. This permits the interpretation of the limits
in models predicting a narrow dielectron or dimuon resonance. A scan of
different intrinsic width hypotheses is performed. Limits are set on the
masses of various hypothetical particles. For the
{Z}_{SSM}^'({Z}{^{ψ}}^') particle, which arises in the
sequential standard model (superstring-inspired model), a lower mass
limit of 4.50 (3.90) TeV is set at 95% confidence level. The lightest
Kaluza-Klein graviton arising in the Randall-Sundrum model of extra
dimensions, with coupling parameters k/ M Pl of 0.01, 0.05,
and 0.10, is excluded at 95% confidence level below 2.10, 3.65, and 4.25
TeV, respectively. In a simplified model of dark matter production via a
vector or axial vector mediator, limits at 95% confidence level are
obtained on the masses of the dark matter particle and its mediator.