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M. Messier

Publications and source records attributed to M. Messier.

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Report of the US long baseline neutrino experiment study

This report provides the results of an extensive and important study of the potential for a U.S. scientific program that will extend our knowledge of neutrino oscillations well beyond what can be anticipated from ongoing and planned experiments worldwide. The program examined here has the potential to provide the U.S. particle physics community with world leading experimental capability in this intensely interesting and active field of fundamental research. Furthermore, this capability could be unique compared to anywhere else in the world because of the available beam intensity and baseline distances. The present study was initially commissioned in April 2006 by top research officers of Brookhaven National Laboratory and Fermi National Accelerator Laboratory and, as the study evolved, it also provided responses to questions formulated and addressed to the study group by the Neutrino Scientific Advisory Committee (NuSAG) of the U.S. DOE and NSF. The participants in the study, its Charge and history, plus the study results and conclusions are provided in this report and its appendices. A summary of the conclusions is provided in the Executive Summary.

hep-ph

The NuMI Hadronic Hose

The Neutrinos at the Main Injector (NuMI) beam supplies an intense $ν_μ$ beam to the Main Injector Neutrino Oscillation Search (MINOS). The $ν_μ$'s are derived from a secondary $π^+$ beam that is allowed to decay within a 675 m decay tunnel. As part of this effort, we are developing a continuous toroidal magnetic focusing system, called the Hadronic Hose, to better steer the secondary beam. The Hose will both increase the net neutrino flux reaching the MINOS detectors and reduce systematic differences in the neutrino energy spectra at the two detectors due to solid angle acceptances.

hep-ex