[PDF] Top 20 Search for Long-Lived Neutral Particles Decaying to Quark-Antiquark Pairs in Proton-Proton Collisions at $\sqrt{s} =$ 8 TeV

... 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

... photons in the MS was validated on the same sample of events containing a punch-through jet used to evaluate the trigger perfor- ...compared in data and QCD dijet ...vertex in data and MC ... See full document

... pairs in the background because the leptons are either misidentified or are ...non-prompt. In this analysis, we consider only opposite-sign, same-flavor lepton pairs, and thus the data ... See full document

... A search is presented for long-lived charged particles that decay within the CMS de- tector and produce the signature of a disappearing ...hits in the outer layers of the tracker. The ... See full document

... come to rest within the body of the detector. At some later time, the stopped R-hadron would then ...Assuming at least one daughter particle is a SM particle and the R-hadron has stopped in an ... See full document

... resonance in the data, as seen from Fig. 1. The most signifi- cant excess in the data relative to the background fit occurs for a dijet mass of ...3.9 TeV. A fit to the hypothesis of a ... See full document

... way to extend the SM gauge structure is to include an additional U(1) group with an associated neutral gauge boson, denoted Z 0 ...resulting in Z 0 bosons that preferentially decay into ... See full document

... A search is reported for a narrow vector resonance decaying to quark-antiquark pairs in proton-proton collisions at √ s = 13 TeV, ... See full document

... tracks. To verify that this method is reliable, we first apply it to a data sample reconstructed with a preliminary alignment calibration, much inferior to the final alignment calibration used for ... See full document

... used to generate toy ...events in signal MC samples, to- gether with the estimate of expected background, the observed collision events and all the systematic uncertainties are ... See full document

... a search for long-lived neutral particles (LLPs), produced by proton–proton interac- tions at √ s = 8 TeV, that decay to hadronic jets ... See full document

... A search for long-lived particles decaying into multijet final states has been performed using proton-proton colli- sion events collected with the CMS detector at a ... See full document

... a search for narrow-width resonances in the 260–1200 GeV mass range, decaying into a pair of Higgs bosons, each decaying into a pair of bottom ...The search is performed using pp ... See full document

... designed to reconstruct and identify each indi- vidual particle with an optimized combination of information from the various elements of the CMS ...momentum at the primary interaction vertex as determined ... See full document

... discovered at the CERN LHC [1–3] with its properties subsequently shown [4–7] to be consistent with those of the standard model (SM) [8– 10] Higgs boson ...tested to answer these questions, ... See full document

... Owing to the possible role of third-generation quarks in the solution of problems in electroweak symmetry breaking, the VLQs in many of the aforementioned models mix predominantly with third ... See full document

... fits to the distributions of relevant reconstructed variables, using MC events for which the reconstructed objects are matched to partons, from Z 0 samples with masses from ...0.5 to 2.0 TeV. ... See full document

... a search for narrow b ¯b resonances with masses between 50 and 350 GeV in events collected in p ffiffiffi s ¼ 13 TeV proton-proton (pp) collisions with the CMS detector ... See full document

... 13 TeV with the CMS detector at the LHC, corresponding to an integrated lu- minosity of ...background in the distribution of the invariant mass of the jet, using novel jet sub- structure ... See full document

... A search for low mass narrow vector resonances decaying into quark-antiquark pairs is ...collected in 2017 with the CMS detector at the LHC in ... See full document