Fermilab Antiproton Source, Recycler Ring and Main Injector

Nagaitsev, Sergei

doi:10.1142/9789814436403_0012

Cited by 1 publication

(1 citation statement)

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“…The Debuncher rings ramp the beams up or down to 8.9 GeV/c. At Fermilab, antiprotons were stochastically precooled in the Debuncher ring during 2.2 s, with a normalized transverse rms emittance reduction from 330 to 30 µm [22], then sent to the Accumulator ring to be stochastically cooled and stored. There, the transverse emittance was reduced from 30 to 15 µm.…”

Section: Antiproton Cooling Systemmentioning

confidence: 99%

Exploration of a High Luminosity 100 TeV Proton Antiproton Collider

Oliveros

Summers

Cremaldi

et al. 2017

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New physics is being explored with the Large Hadron Collider at CERN and with Intensity Frontier programs at Fermilab and KEK. The energy scale for new physics is known to be in the multi-TeV range, signaling the need for a future collider which well surpasses this energy scale. We explore a 10 34 cm −2 s −1 luminosity, 100 TeV pp collider with 7× the energy of the LHC but only 2× as much NbTi superconductor, motivating the choice of 4.5 T single bore dipoles. The cross section for many high mass states is 10 times higher in pp than pp collisions. Antiquarks for production can come directly from an antiproton rather than indirectly from gluon splitting. The higher cross sections reduce the synchrotron radiation in superconducting magnets and the number of events per beam crossing, because lower beam currents can produce the same rare event rates. Events are more centrally produced, allowing a more compact detector with less space between quadrupole triplets and a smaller β * for higher luminosity. A Fermilab-likep source would disperse the beam into 12 momentum channels to capture more antiprotons. Because stochastic cooling time scales as the number of particles, 12 cooling ring sets would be used. Each set would include phase rotation to lower momentum spreads, equalize all momentum channels, and stochastically cool. One electron cooling ring would follow the stochastic cooling rings. Finally antiprotons would be recycled during runs without leaving the collider ring by joining them to new bunches with synchrotron damping.

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Section: Antiproton Cooling Systemmentioning

confidence: 99%