ZGOUBI USERS' GUIDE - HEP

156 Keywords and input data formattingCHAMBR Long transverse aperture limitation 1¤´0: element inactive1: (re)definition of the aperture 0-2 I2: stop testing and reset counters, printinformation on stopped particles.IFORM, YL 2 , ZL, YC, ZC Taken into account only ¤¦´ ifIFORM = 1: rectangular chamber; horizontal(vertical) o þ¨ (o}r¨ dimension );centered ²at ², .IFORM = 2: elliptical chamber; horizontal(vertical) o þ¨ (o}r¨ axis );centered ²at ², .q . 1-2, 4*cm I, 4*E1 Any particle out of limits is stopped.2 When used with an optical element defined in polar coordinates (e.g. DIPOLE) $# is the radius and &% stands for the reference radius (normally,$%('*),+ ).