We present results of a search at CDF in 929 +/- 56 pb(-1) of p (p) over bar collisions at 1.96 TeV for the anomalous production of events containing a high-transverse momentum charged lepton (l, either e or mu) and photon (gamma), accompanied by missing transverse energy (E(T)), and/or additional leptons and photons, and jets (X). We use the same selection criteria as in a previous CDF Run I search, but with an order-magnitude larger data set, a higher p (p) over bar collision energy, and the CDF II detector. We find 163 l gamma E(T) + X events, compared to an expectation of 150.6 +/- 13.0 events. We observe 74 ll gamma + X events, compared to an expectation of 65.1 +/- 7.7 events. We find no events similar to the Run I ee gamma gamma E(T) event.
|Titolo:||Search for new physics in lepton plus photon plus X events with 929 pb(-1) of pp collisions at root s=1.96 TeV RID G-1087-2011 RID E-4473-2011|
|Data di pubblicazione:||2007|
|Digital Object Identifier (DOI):||http://dx.doi.org/10.1103/PhysRevD.75.11200|
|Appare nelle tipologie:||1.1 Articolo in rivista|