Author: Prebys, E.
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MOPWI017 Beam Extinction Monitoring in the Mu2e Experiment 1185
 
  • E. Prebys, A. Gaponenko, P.H. Kasper
    Fermilab, Batavia, Illinois, USA
  • L.M. Bartoszek
    Bartoszek Engineering, Aurora, Illinois, USA
  
  Funding: This work is supported by the US Department of Energy under contract No. De-AC02-07CH11359.
The Mu2e Experiment at Fermilab will search for the conversion of a muon to an electron in the field of an atomic nucleus with unprecedented sensitivity. The experiment requires a beam consisting of proton bunches approximately 200ns FW long, separated by 1.7 microseconds, with no out-of-time protons at the 10-10 fractional level. The verification of this level of extinction is very challenging. The proposed technique uses a special purpose spectrometer which will observe particles scattered from the production target of the experiment. The acceptance will be limited such that there will be no saturation effects from the in-time beam. The precise level and profile of the out-of-time beam can then be built up statistically, by integrating over many bunches. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPWI017  
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WEPWA055 Proton Injection into the Fermilab Integrable Optics Test Accelerator (IOTA) 2627
 
  • E. Prebys, S. A. Antipov, H. Piekarz
    Fermilab, Batavia, Illinois, USA
  • S. A. Antipov
    University of Chicago, Chicago, Illinois, USA
  
  Funding: This work is supported by the DOE, under Contract No. De-AC02-07CH11359.
The Integrable Optics Test Accelerator (IOTA) is an experimental synchrotron being built at Fermilab to test the concept of non-linear "integrable optics". These optics are based on a lattice including non-linear elements that satisfies particular conditions on the Hamiltonian. The resulting particle motion is predicted to be stable but without a unique tune. The system is therefore insensitive to resonant instabilities and can in principle store very intense beams, with space charge tune shifts larger than those which are possible in conventional linear synchrotrons. The ring will initially be tested with pencil electron beams, but this poster describes the ultimate plan to install a 2.5 MeV RFQ to inject protons, which will produce tune shifts on the order of unity. Technical details will be presented, as well as simulations of protons in the ring. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-WEPWA055  
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THPF121 Out of Time Beam Extinction in the Mu2e Experiment 3996
 
  • E. Prebys, S.J. Werkema
    Fermilab, Batavia, Illinois, USA
  
  Funding: This project is supported by the US Department of Energy under contract No. De-AC02-07CH11359 .
The Mu2e Experiment at Fermilab will search for the conversion of a muon to an electron in the field of an atomic nucleus with unprecedented sensitivity. The experiment requires a beam consisting of proton bunches approximately 200ns FW long, separated by 1.7 microseconds, with no out-of-time protons at the 10-10 fractional level. Satisfying this "extinction" requirement is very challenging. Simulations show that the formation of the bunches will result in an extinction of roughly 10-5. The remaining extinction will be accomplished by a system of resonant magnets and collimators, configured such that only in-time beam is delivered to the experiment. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-THPF121  
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