| Show Keeping Ke P in g Up Wi i cien 0 Sc ce v O B ee New Atom Smashing Device at Princeton Will Aid Science I I Cyclotron Will Be De Most 1 Powerful in Existence PRINCETON N. N J. J J The J.-The The The Installation of ot a cyclotron calculated calculated calculated cal cal- to bombard atoms with particles moving almost half haIC again as fast as those produced by Ly existing machines has been started at Palmer Physical laboratory laboratory laboratory lab lab- oratory of Princeton university The Tho bombarding particles particle will consist of ot hydrogen Ions and deu- deu trans or charged I particles of ot heavy hydrogen obtained from paper pa per calculations and from a small working model show that they will travel truel with a velocity of ot miles mites milesa a second Their maximum energy ti le expected to be twice that of ot particles particles par par- tides from pre present ent machines A Alarie large magnet built especially for use ace In ID the cyclotron makes makel pose possible pos sible aible the attainment of ot this high peed speed It Is hoped that the machine will wilt shed further light on the old problem of ot disintegrating the atom Operator I Is II Protected t l A breastwork of ot earth will protect protect protect pro pro- the operators of the machine Water tank tanks ma may also be constructed construct construct- ed ad as 81 an additional safeguard as aa cyclotron experimenters are exposed to hazards somewhat similar to those the early ray X-ray pioneers pioneer faced When the cyclotron Is ii In use the theto two to vacuum tubes tube tubes which produce nigh frequency frequency oscillations at 20 0 meter meters will require CO ro to 00 CO kilo kilo- i a as much power a as I Is used by bya a large metropolitan broadcasting station The oscillations oscillation take place Inside the magnet which prevents prevent the waves wave from Interfering with ordinary or or- radio reception j Dr Drs Malcolm 0 O. O Henderson Instructor In ln- Jo jn physics at Prince university uni varsity and Mitton Miltona a White a aNa Na National llonel Research Council fellow tellow at atI I Princeton are the designers designer ot of the machine Doth Both men participated In Inthe Inthe Inthe the pioneer cyclotron experIments experiment at the University of at California i How Haw Size Compare Compares i Explaining bow how the Princeton Installation In In- I is I. expected to be the most moat powerful In existence Doctor White said aid saidI I The tip of the tile pole pIeces piece of the Princeton Installation will be 33 35 Inch Inches In diameter while the most powerful similar apparatus of ot Dr E K E. O. O Lawrence at the University of ot California ha has bu 27 Inch 27 Inch diameter pole tip tips tiP Since the energy of the accelerated particles particle produced In Increase increases In- In crea creases crease a as the square of the diem eter we get let 85 55 square divided by 27 27 squared or approximately 17 11 However How ever the more powerful oscillator oscillators at Princeton will perhaps permit operation at higher magnetic fields than I II now bow now possible at Berkeley BO so we expect theoretically to attaIn attain at at- tain tale twice the present energy |
