Status of the ATLAS accelerator

Aron, Jacob; Benaroya, R.; Bogaty, J.M.; Bollinger, L.M.; Clifft, B.E.; Hartog, P. Den; Johnson, K.; Kutschera, W.; Markovich, P.; Nixon, J.M.; Pardo, R. C.; Shepard, K.W.; Zinkann, G.

doi:10.1063/1.1138847

Cited by 7 publications

(1 citation statement)

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“…It uses a large gas catcher to transform fission products from a 252 Cf source into beams of mass separated neutron-rich isotopes. These isotopes can be made available to experiments at Coulomb barrier energies after post-acceleration through the ATLAS [2,3] superconducting linac or directly at low energy. These beams will be used with new experimental equipment [4] available at ATLAS to perform measurements of interest to nuclear physics, astrophysics, and societal applications such as advanced fuel cycles.…”

Section: Introductionmentioning

confidence: 99%

CARIBU: a new facility for the study of neutron-rich isotopes

et al. 2011

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The Californium Rare Ion Breeder Upgrade (CARIBU) to the ATLAS superconducting linac facility is currently being commissioned. It provides lowenergy and re-accelerated beams of neutron-rich isotopes obtained from 252 Cf fission. The fission products from a 252 Cf source are stopped in a large high-intensity gas catcher, thermalized and extracted through an RFQ cooler, accelerated to 50 kV and mass separated in a high-resolution separator before being sent to either an ECR charge breeder for post-acceleration through the ATLAS linac or to a lowenergy experimental area. This approach gives access to beams of very neutron-rich isotopes, many of which have not been available at low or Coulomb barrier energies previously. These beams provide unique opportunities for measurements along the rprocess path. To take advantage of these unique possibility, the reaccelerated beams from CARIBU will be made available at the experimental stations of ATLAS to serve equipment such as Gammasphere, HELIOS and the reaction spectrometers. In addition, the Canadian Penning Trap (CPT) mass spectrometer has been moved to the CARIBU low-energy experimental area and a new injection line has been built. The new injection line consists of a RFQ buncher sitting on a 50 kV highvoltage platform that will accumulate the mass separated 50 kV radioactive beams, cool and extract them as a pulsed beam of 3 keV. This beam can be sent either to a tape station for diagnostics and tuning, or a cryogenic linear trap for preparation before transfer to the high-precision Penning trap where the mass measurements will take place. Initial CARIBU commissioning is proceeding with a 2 mCi source that will be replaced by a 100 mCi source as the commissioning proceeds. Final operation

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Section: Introductionmentioning

confidence: 99%