Cryogenic Stopping Cell for Photofission Fragments at the ELI-NP Facility

摘要

The brilliant gamma beam at the future Extreme Light Infrastructure - Nuclear Physics (ELI-NP) facility will be used to generate a beam of exotic neutron-rich isotopes via photofission of actinide targets. We present simulations with the Geant4 toolkit of the photofission process for the design and optimization of the expected performance parameters of the Cryogenic Stopping Cell (CSC). The CSC will be used to extract the photofission fragments into the secondary beam of about 10~6 ions/s. We propose an experimental program to study refractory neutron-rich isotopes.