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A time projection chamber for high accuracy and precision fission cross-section measurements Public Deposited

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  • The fission Time Projection Chamber (fissionTPC) is a compact (15 cm diameter) two-chamber MICROMEGAS TPC designed to make precision cross-section measurements of neutron-induced fission. The actinide targets are placed on the central cathode and irradiated with a neutron beam that passes axially through the TPC inducing fission in the target. The 4π acceptance for fission fragments and complete charged particle track reconstruction are powerful features of the fissionTPC which will be used to measure fission cross-sections and examine the associated systematic errors. This paper provides a detailed description of the design requirements, the design solutions, and the initial performance of the fissionTPC.
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  • Heffner, M., Asner, D. M., Baker, R. G., Baker, J., Barrett, S., Brune, C., ... & Yao, L. (2014). A time projection chamber for high accuracy and precision fission cross-section measurements. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 759, 50-64. doi:10.1016/j.nima.2014.05.057
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  • This work was performed under the auspices of the U.S. Departmentof Energy by Lawrence Livermore National Laboratory in partunder Contract W-7405-Eng-48 and in part under ContractDE-AC52-07NA27344. This work has also benefited from the useof the Los Alamos Neutron Science Center at the Los AlamosNational Laboratory. This facility is funded by the US Departmentof Energy and operated by Los Alamos National Security, LLC undercontract DE-AC52-06NA25396. The NIFFTE university groups weresupported through the DOE NERI program and through subcontractsfrom LLNL, LANL, and INL. INL and PNNL were funded inpart by the U.S. Department of Energy, Office of Nuclear Energy,LLNL-JRNL-651187.
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  • description.provenance : Submitted by Erin Clark (erin.clark@oregonstate.edu) on 2014-08-05T16:28:01Z No. of bitstreams: 1 LovelandWalterChemistryTimeProjectionChamber.pdf: 3292818 bytes, checksum: 25d6a1960656afeb04b8a43b819fd24e (MD5)
  • description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2014-08-05T16:28:20Z (GMT) No. of bitstreams: 1 LovelandWalterChemistryTimeProjectionChamber.pdf: 3292818 bytes, checksum: 25d6a1960656afeb04b8a43b819fd24e (MD5)
  • description.provenance : Made available in DSpace on 2014-08-05T16:28:20Z (GMT). No. of bitstreams: 1 LovelandWalterChemistryTimeProjectionChamber.pdf: 3292818 bytes, checksum: 25d6a1960656afeb04b8a43b819fd24e (MD5) Previous issue date: 2014-09-21

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