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TY - CONF AU - Alexahin, Y.I. ED - Schaa, Volker RW ED - Power, Maria ED - Shiltsev, Vladimir ED - White, Marion TI - Gaseous H2-Filled Helical FOFO Snake for Initial 6D Ionization Cooling of Muons J2 - Proc. of NAPAC2016, Chicago, IL, USA, October 9-14, 2016 C1 - Chicago, IL, USA T2 - North American Particle Accelerator Conference T3 - 3 LA - english AB - H2 gas-filled channel for 6D ionization cooling of muons is described which consists of periodically inclined solenoids of alternating polarity with 325MHz RF cavities inside them. To provide sufficient longitudinal cooling LiH wedge absorbers are placed at the minima of transverse beta-function between the solenoids. An important feature of such channel (called Helical FOFO snake) is that it can cool simultaneously muons of both signs. Theoretical considerations as well as results of simulations with G4beamline are presented. PB - JACoW CP - Geneva, Switzerland SP - 1129 EP - 1131 KW - ion KW - solenoid KW - emittance KW - focusing KW - dipole DA - 2017/01 PY - 2017 SN - 978-3-95450-180-9 DO - 10.18429/JACoW-NAPAC2016-THPOA16 UR - https://jacow.org/napac2016/papers/thpoa16.pdf ER -