Particle production and energy deposition studies for the neutrino factory target station

We present FLUKA and MARS simulation studies of the pion production and energy deposition in the Neutrino Factory baseline target station, which consists of a 4 MW proton beam interacting with a liquid mercury jet target within a 20 T solenoidal magnetic field. We show that a substantial increase in...

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Bibliographic Details
Published in:Physical review special topics. PRST-AB. Accelerators and beams 2013-02, Vol.16 (2), p.021001, Article 021001
Main Authors: Back, John J., Densham, Chris, Edgecock, Rob, Prior, Gersende
Format: Article
Language:English
Subjects:
Coils
Deposition
Environmental protection
Gallium
Magnetic fields
Magnetic shielding
Neutrinos
Particle production
Pions
Planetary magnetic fields
Proton beams
Radiation dosage
Radiation shielding
Solenoids
Tungsten
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Summary:We present FLUKA and MARS simulation studies of the pion production and energy deposition in the Neutrino Factory baseline target station, which consists of a 4 MW proton beam interacting with a liquid mercury jet target within a 20 T solenoidal magnetic field. We show that a substantial increase in the shielding is needed to protect the superconducting coils from too much energy deposition. Investigations reveal that it is possible to reduce the magnetic field in the solenoid capture system without adversely affecting the pion production efficiency. We show estimates of the amount of concrete shielding that will be required to protect the environment from the high radiation doses generated by the target station facility. We also present yield and energy deposition results for alternative targets: gallium liquid jet, tungsten powder jet, and solid tungsten bars.
ISSN:1098-4402
1098-4402
2469-9888
DOI:10.1103/PhysRevSTAB.16.021001