Bibcode
Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Brondolin, E.; Dragicevic, M.; Erö, J.; 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.; Rabady, D.; Rad, N.; Rohringer, H.; Schieck, J.; Schöfbeck, R.; Spanring, M.; Spitzbart, D.; Strauss, J.; Waltenberger, W.; Wittmann, J.; Wulz, C.-E.; Zarucki, M.; Chekhovsky, V.; Mossolov, V.; Gonzalez, J. Suarez; De Wolf, E. A.; Di Croce, D.; Janssen, X.; Lauwers, J.; Van De Klundert, M.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.; Van Spilbeeck, A.; Zeid, S. Abu; Blekman, F.; D'Hondt, J.; De Bruyn, I.; De Clercq, J.; Deroover, K.; Flouris, G.; Lontkovskyi, D.; Lowette, S.; Moortgat, S.; Moreels, L.; Olbrechts, A.; Python, Q.; Skovpen, K.; Tavernier, S.; Van Doninck, W.; Van Mulders, P.; Van Parijs, I.; Brun, H.; Clerbaux, B.; De Lentdecker, G.; Delannoy, H.; Fasanella, G.; Favart, L.; Goldouzian, R.; Grebenyuk, A.; Karapostoli, G.; Lenzi, T.; Luetic, J.; Maerschalk, T.; Marinov, A.; Randle-conde, A.; Seva, T.; Velde, C. Vander; Vanlaer, P.; Vannerom, D.; Yonamine, R.; Zenoni, F.; Zhang, F.; Cimmino, A.; Cornelis, T.; Dobur, D.; Fagot, A.; Gul, M.; Khvastunov, I.; Poyraz, D.; Roskas, C.; Salva, S.; Tytgat, M.; Verbeke, W.; Zaganidis, N.; Bakhshiansohi, H. et al.
Referencia bibliográfica
The European Physical Journal C, Volume 77, Issue 9, article id.578, 31 pp.
Fecha de publicación:
9
2017
Número de citas
28
Número de citas referidas
24
Descripción
A data sample of events from proton-proton collisions with two isolated
same-sign leptons, missing transverse momentum, and jets is studied in a
search for signatures of new physics phenomena by the CMS Collaboration
at the LHC. The data correspond to an integrated luminosity of 35.9
{fb}^{- {1}}, and a center-of-mass energy of 13 {TeV}. The properties of
the events are consistent with expectations from standard model
processes, and no excess yield is observed. Exclusion limits at 95%
confidence level are set on cross sections for the pair production of
gluinos, squarks, and same-sign top quarks, as well as top-quark
associated production of a heavy scalar or pseudoscalar boson decaying
to top quarks, and on the standard model production of events with four
top quarks. The observed lower mass limits are as high as 1500 {GeV} for
gluinos, 830 {GeV} for bottom squarks. The excluded mass range for heavy
(pseudo)scalar bosons is 350-360 (350-410) {GeV}. Additionally,
model-independent limits in several topological regions are provided,
allowing for further interpretations of the results.