[PDF] Top 20 Search for leptophobic Z′ bosons decaying into four-lepton final states in proton–proton collisions at $\sqrt s$ =8TeV

... colleagues in the CERN accelerator departments for the excellent perfor- mance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions ... See full document

... D. Abbaneo, E. Auffray, G. Auzinger, M. Bachtis, P. Baillon, A.H. Ball, D. Barney, A. Benaglia, J. Bendavid, L. Benhabib, J.F. Benitez, G.M. Berruti, G. Bianchi, P. Bloch, A. Bocci, A. Bonato, C. Botta, H. Breuker, T. ... See full document

... denoted Z 0 ...resulting in Z 0 bosons that preferentially decay into fermions of the third genera- tion [1, ...a search for Z 0 resonances that decay to a pair of τ ... See full document

... a search for narrow leptophobic vector resonances with masses below 450 GeV and a natural width small relative to the detector ’s mass reso- ...a Z 0 model [24] as a proxy for such ... See full document

... charged lepton is also present, along with missing transverse momentum associated with the ...genuine Z boson in the final state, such as top quark pair (t¯t), multijet, W+jet, Wγ+jet, and ... See full document

... entering into the models used for the in- terpretation of the results ...translates into significantly lower exclusion limits, ranging from about 100 to 700 GeV [21–24] on the masses of sparticles ... See full document

... LJ search criteria by setting limits on models that predict LJs in the final ...LJs in the two .... In the first model (left in figure 1 ) f d 2 decays to a dark photon, γ d , ... See full document

... result in the same kinematic distributions as those for the bulk ...X in the HH decay channel have been performed by the ATLAS [ 17 – 19 ] and CMS [ 20 – 24 ] Collabo- rations in pp collisions ... See full document

... A search is presented for new high-mass resonances decaying into electron or muon ...The search uses proton-proton collision data at a centre-of-mass energy of 13 TeV ... See full document

... democratically into all SM degrees of freedom, ...and Z bosons, or of heavy-flavor quarks, and the possible emission of gravitons or the formation of a noninteracting stable BH remnant, contribute to ... See full document

... distribution in the average mass of selected dijet pairs has been investigated for localized dis- agreements between the data and the background ...colorons decaying into four jets with a 100% ... See full document

... certainties in the determination of the integrated luminosity ...and lepton efficiencies are taken as systematic ...taken into account by varying the expected cross section of inelastic ... See full document

... using S= p ffiffiffiffi B as the metric within a mass window centered at the generated m ˜t , where S and B are the number of signal and background events, respectively, from ...hadronically decaying ... See full document

... employed in this ...signal. In a sample of simulated single-muon events we find that 11% of muons produce tracks that have at least one missing outer ...hits. In the case of multiple ... See full document

... particle in an event with an optimized combination of information from the various elements of the CMS ...momentum at the primary interaction vertex as determined by the tracker, the energy of the ... See full document

... M. Aldaya Martin, J. Behr, W. Behrenhoff, U. Behrens, M. Bergholz 17 , A. Bethani, K. Borras, A. Burgmeier, A. Cakir, L. Calligaris, A. Campbell, E. Castro, F. Costanza, D. Dammann, C. Diez Pardos, G. Eckerlin, D. ... See full document

... used in the jet clustering procedure. Good PF candidates are clustered into jets using the Cambridge-Aachen (CA) algorithm [35] with a distance parameter R = ...take into account the extra energy ... See full document

... [10]. In both cases, the new invisible particles are assumed to have a branching fraction close to unity for decay to hidden sector ...discussed in Ref. [22]. Consequently, even in the presence of ... See full document

... D. Abbaneo, E. Auffray, G. Auzinger, M. Bachtis, P. Baillon, A.H. Ball, D. Barney, A. Benaglia, J. Bendavid, L. Benhabib, J.F. Benitez, C. Bernet 8 , G. Bianchi, P. Bloch, A. Bocci, A. Bonato, O. Bondu, C. Botta, H. ... See full document

... performed in the frame of the LHC Higgs Cross Section Working ...colleagues in the CERN accelerator departments for the excellent perfor- mance of the LHC and thank the technical and administrative staffs ... See full document