Beams Document 4616-v1

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Overview of the LBNE Beamline Design

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Fernanda G Garcia
Updated by:
Fernanda G Garcia
Document Created:
10 Jun 2014, 15:44
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10 Jun 2014, 15:44
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10 Jun 2014, 15:44
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10 Jun 2014, 18:54
The Long Baseline Neutrino Experiment (LBNE) will utilize a beamline facility located at Fermilab to carry out a world-leading research program in neutrino physics. The facility will aim a wide band beam of neutrinos toward a detector placed at the Sanford Underground Research Facility in South Dakota, about 1,300 km away. The main elements of the facility are a primary proton beamline and a neutrino beamline. The primary proton beam (60-120 GeV) will be extracted from the MI-10 section of Fermilab's Main Injector. Neutrinos are produced after the protons hit a solid target and produce mesons which are subsequently focused by a set of magnetic horns into a 204 m long helium filled decay pipe where they decay into muons and neutrinos. The parameters of the facility were determined taking into account the physics goals, spacial and radiological constraints, extensive simulations and the experience gained by operating the NuMI facility at Fermilab. The initial beam power is expected to be 1.2 MW, however some of the parameters were chosen to be able to deal with a beam power of 2.3 MW. We discuss here the status of the design and the associated challenges.
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