European Organization for Nuclear Research

CMSPaper:EXO

Search for anomalous ttbar production in the highly-boosted all-hadronic final state

2012-04-11, by Achintya Rao

A search is presented for a massive particle, generically referred to as a Z′, decaying into a t-tbar pair.

A candidate event where the green lines correspond to the constituents of one type of top candidate, while the yellow ones correspond to the constituents of another type of top candidate. The solid lines are charged candidates, and the dotted lines are neutral candidates.

Search for heavy bottom-like quarks in 4.9 inverse femtobarns of pp collisions at sqrt(s) = 7 TeV

2012-04-05, by Achintya Rao

Results are presented from a search for heavy bottom-like quarks, produced in pairs in pp collisions at √s = 7 TeV, undertaken with the CMS experiment at the LHC. The b′ quarks are assumed to decay exclusively to a top quark and a W boson (tW).

Exclusion limits at 95% CL on the pp → b&prime anti-b′ production cross-section (σ).

Search for Dark Matter and Large Extra Dimensions in pp Collisions Yielding a Photon and Missing Transverse Energy

2012-04-03, by Achintya Rao

Results are presented from a search for new physics in which the final state contains a photon (γ) and missing transverse energy (MET).

The photon transverse momentum (p<sub>T</sub> distribution for the candidate sample, compared with estimated contributions from SM backgrounds and a prediction from Arkani-Hamed, Dimopoulos, and Dvali model for extra dimensions
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