• U. Ratzinger, L.P. Chau, H. Dinter, M. Droba, M. Heilmann, N.S. Joshi, O. Meusel, I. Müller, D. Mäder, Y.C. Nie, D. Noll, H. Podlech, H. Reichau, A. Schempp, S. Schmidt, K. Volk, C. Wagner, C. Wiesner
  IAP, Frankfurt am Main
• R. Reifarth
  IKF, Frankfurt-am-Main

An in­tense 2 MeV, 200 mA pro­ton beam will drive a neu­tron source by the re­ac­tion Li7(p,n)Be7 on solid as well as on liq­uid lithi­um tar­gets. Ac­tu­al­ly, the fa­cil­i­ty is under con­struc­tion at the physics fac­ul­ty new ex­per­i­men­tal hall in Frank­furt. To study in de­tail the burn­ing of el­e­ments in stars by the s-pro­cess, a pulsed beam op­er­a­tion with a bunch com­pres­sor at the linac exit will offer sev­er­al Am­pere beam cur­rent with­in 1 ns pulse length and with 250 kHz rep. rate at the n - pro­duc­tion tar­get. As the upper limit of gen­er­at­ed neu­trons and the total n- flux at this source are well de­fined the sam­ple for neu­tron cap­ture mea­sure­ments can be placed after a time of flight path as short as 0.8 m only. This will pro­vide high­est ac­ces­si­ble pulsed neu­tron flux rates for neu­tron en­er­gies in the 1 - 500 keV range. The high­ly space charge dom­i­nat­ed bunch form­ing pro­cess as well as the ion source, the rf cou­pled 175 MHz RFQ/DTL - res­onator and the tar­get de­vel­op­ment will be ex­plained.