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TY - CONF AU - Rogers, C.T. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Solenoidal Focussing Internal Target Ring J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - FFAGs have been considered for a high power proton source for a neutron target by means of an internal target. In an internal target type ring, protons are repeatedly passed through a thin foil, producing neutrons and other secondary particles. This technique has the potential to produce higher secondary particle fluxes with modest beam currents and energies. Scattering of the protons causes emittance growth in the beam, but this can be partially offset by energy lost through ionisation of the foil, which causes ionisation cooling. The resultant beams typically have large position and momentum spread, with transverse emittances of order mm. In this paper, the design of a solenoid-focussing ring is studied which may enable containment of large emittance beams. PB - JACoW CP - Geneva, Switzerland SP - 1757 EP - 1759 KW - target KW - emittance KW - proton KW - solenoid KW - dipole DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-TUPIK035 UR - http://jacow.org/ipac2017/papers/tupik035.pdf ER -