Author/Authors :
Kontos، نويسنده , , Antonios and Schürmann، نويسنده , , Daniel and Akers، نويسنده , , Charles and Couder، نويسنده , , Manoel and Gِrres، نويسنده , , Joachim and Robertson، نويسنده , , Daniel and Stech، نويسنده , , Ed and Talwar، نويسنده , , Rashi and Wiescher، نويسنده , , Michael، نويسنده ,
Abstract :
A high density supersonic helium jet gas target has been developed for the newly installed St. George Recoil Mass Separator, at the Nuclear Science Laboratory, University of Notre Dame. The jetʹs properties for both helium and nitrogen have been studied by means of elastic scattering and energy loss experiments. The helium jetʹs full width at half maximum was found to be 2.1 mm, assuming axially symmetric gas expansion with a maximum target thickness of (2.67±0.16)×1017 atoms/cm2 at 1500 mbar of inlet pressure, and well confined within the jet region.