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10 papers · 2 filters
Observation of the Decay B0 => rho+ rho- and Measurement of the Branching Fraction and Polarization
The BABAR Collaboration, B. Aubert
We have observed the rare decay B0 => rho+ rho- in a sample of 89 million BB pairs recorded with the BABAR detector. The number of observed events is 88 +23-21 +-9, with a signific…
Muon Pair Production in ep Collisions at HERA
H1 Collaboration
Cross sections for the production of two isolated muons up to high di-muon masses are measured in ep collisions at HERA with the H1 detector in a data sample corresponding to an in…
Observation of Diffractively Produced W and Z Bosons in pbar-p Collisions at root-s = 1800 GeV
D0 collaboration, V. M. Abazov
Using the D0 detector, we have observed events produced in pbar-p collisions that contain W or Z bosons in conjunction with very little energy deposition (``rapidity gaps'') in lar…
Study of Inclusive J/psi Production in Two-Photon Collisions at LEP II with the DELPHI Detector
The DELPHI Collaboration, J. Abdallah
Inclusive J/psi production in photon-photon collisions has been observed at LEP II beam energies. A clear signal from the reaction gamma gamma -> J/psi+X is seen. The number of obs…
Search for nu(mu)-->nu(e) Oscillations in the NOMAD Experiment
NOMAD Collaboration, P. Astier
We present the results of a search for nu(mu)-->nu(e) oscillations in the NOMAD experiment at CERN. The experiment looked for the appearance of nu(e) in a predominantly nu(mu) wide…
Search for new physics in e^\pm q contact interactions at HERA
H1 Collaboration
Deep-inelastic e^\pm p scattering at high squared momentum transfer Q^2 up to 30000 GeV^2 is used to search for eq contact interactions associated to scales far beyond the HERA cen…