Recent results of the searches for Supersymmetry in final states with one or two leptons at CMS are presented. Many Supersymmetry scenarios, including the Constrained Minimal Supersymmetric extension of the Standard Model (CMSSM), predict a substantial amount of events containing leptons, while the largest fraction of Standard Model background events -which are QCD interactions -gets strongly reduced by requiring isolated leptons. The analyzed data was taken in 2011 and corresponds to an integrated luminosity of approximately L = 1 fb −1 . The center-of-mass energy of the pp collisions was √ s = 7 TeV.

No abstract

No abstract

No abstract

The total cross section of the p d → p d η reaction has been measured at two energies near threshold by detecting the final proton and deuteron in a magnetic spectrometer. The values are somewhat larger than expected on the basis of two simple theoretical estimates. PACS.13.60.Le Meson production -25.10.+s Nuclear reactions involving few-nucleon systems -25.40.Ve Other reactions above meson production thresholds (energies > 400 MeV)

No abstract

Experimental results obtained with commercially available PSPMs coupled to 0.5 mm-diameter scintillating fiber arrays show space resolution of < 200 µm and time resolution better than 1 ns with a detection efficiency of about 90%. In addition, the preliminary studies indicate the feasibility of separating double-tracks with a minimum distance of 3 mm using this technology.

No abstract