Electron Cloud Diagnostic for Quadrupole Magnets

75153-Electron cloud effects are a critical technical risk for the next generation of high intensity proton and positron rings, to be used in facilities for High Energy Physics research. New diagnostics are required to observe electron cloud formation and trapping and to test theories and simulations of various beam dynamics issues. In particular, no such diagnostics have been developed for use in quadrupole magnets, where electron trapping is expected to play a large role. This project will undertake an analysis of the electron sweeping detector concept, in order to develop an optimized physics design for an electron cloud diagnostic for use in quadrupole magnets at high intensity proton or positron rings. In Phase I, a concept for an electron sweeping diagnostic for use in quadrupole magnets will be developed, various electron trajectories will be calculated, the physics design will be optimized, and engineering feasibility will be determined. In Phase II, a prototype will be engineered, fabricated and tested, and initial experimental data will be gathered at an existing facility, such as the Los Alamos Proton Storage Ring. Commercial Applications and Other Benefits as described by the awardee: The results of this project should directly benefit the high intensity proton and positron rings under construction or under active consideration. These include the Spallation Neutron Source, the Next Linear Collider, and Neutrino Factories.