FIRST TEST RESULTS FROM THE NEW CERN PLASMA LENS’)

Earl & investigations of the magnetic ficlld dynamics of z-pinches and of the long-term plasma wall interactions have ltd to the rc,ils~rlli.t,ioIl of a new plasmit-lens tievicci fo: the: CERN antiproton source. After testing, the plasma lens will bc inst,allcd in thr, target arra of the CERN.4ntiprot,ou Accumulator Conlplrs. The mechanical &sign of the lens and tile layout of the 35 kJ p111sc, grnc~rator BW dcst-ril)cd. First results of measurrmrnts on pinch dynamics arc rc:port,cd. History and Status The first powerful plavna lens for chargrd-particle focusing WilS built ad inhtallrd ill the AGS at DNL in 1965 [I]. This plasma hs successfully focused mlmns for a ncutrino c~xp&mcYlt, but t,hrn failed compktely after a frW hours of operation. Since % t,licn, no furtlic%r applicatic)Ils of this kiutl hav