Operation of a Free Hg Jet Delivery System in a High-Power Target Experiment

Op­er­a­tion of a mer­cury jet de­liv­ery sys­tem is pre­sent­ed. The de­liv­ery sys­tem is part of the Mer­cury In­tense Tar­get (MERIT) Ex­per­i­ment, a proof-of-prin­ci­ple ex­per­i­ment con­duct­ed at CERN in 2007 which demon­strat­ed the fea­si­bil­i­ty of using an un­con­strained jet of mer­cury as a tar­get for a fu­ture Neu­tri­no Fac­to­ry or Muon Col­lid­er. The Hg sys­tem was de­signed to pro­duce a 1-cm-di­am­e­ter, 20 m/s Hg jet in­side a high-field (15 Tesla), 15-cm-bore solenoid mag­net. A high-speed op­ti­cal di­ag­nos­tic sys­tem al­lowed ob­ser­va­tion of the in­ter­ac­tion of the jet with both 14- and 24-GeV pro­ton beams. Per­for­mance of the Hg sys­tem dur­ing the in-beam ex­per­i­ment will be pre­sent­ed.