). ▁The ▁syn ch ro cy cl ot ron ▁was ▁proposed ▁as ▁a ▁solution ▁to ▁bridge ▁the ▁gap ▁before ▁the ▁ 2 8 - Ge V ▁Pro ton ▁Syn ch ro tr on ▁was ▁completed . ▁In ▁ 1 9 5 2 , ▁Corn el is ▁Bak ker ▁led ▁the ▁group ▁to ▁design ▁and ▁construct ▁the ▁syn ch ro cy cl ot ron ▁named ▁Syn ch ro - Cy cl ot ron ▁( SC ) ▁at ▁C ER N . ▁The ▁design ▁of ▁the ▁Syn ch ro - Cy cl ot ron ▁with ▁ ▁in ▁circum ference ▁started ▁in ▁ 1 9 5 3 . ▁The ▁construction ▁started ▁in ▁ 1 9 5 4 ▁and ▁it ▁achieved ▁ 6 0 0 ▁Me V ▁pro ton ▁acceleration ▁in ▁August ▁ 1 9 5 7 , ▁with ▁the ▁experimental ▁program ▁started ▁in ▁April ▁ 1 9 5 8 . ▁ ▁Current ▁develop ments ▁ ▁Syn ch ro cy cl ot rons ▁are ▁attract ive ▁for ▁use ▁in ▁pro ton ▁ther apy ▁because ▁of ▁the ▁ability ▁to ▁make ▁compact ▁systems ▁using ▁high ▁magnetic ▁fields . ▁Medical ▁physics ▁companies ▁I on ▁Be am ▁App lications ▁and ▁Me v ion ▁Medical ▁Systems ▁have ▁developed ▁super con duct ing ▁syn ch ro cy cl ot rons ▁that ▁can ▁fit ▁comfort ably ▁into ▁hosp it als . ▁ ▁References ▁ ▁Category : Acc eler ator ▁physics ▁Category : Part icle ▁acceler ators <0x0A> </s> ▁Port a ▁Nu ova ▁is ▁a ▁monument al ▁city ▁gate ▁of ▁Pal ermo . ▁It ▁represents