Speaker
Description
One of the fundamental challenges for future lepton colliders, neutrino factories, and high-precision tests of lepton universality is the design and construction of new high-intensity sources of muons, positrons, and neutrinos. To achieve a significant leap in precision, next-generation sources must increase the intensity of currently operating and planned facilities by at least three orders of magnitude and provide the capability to produce longitudinally polarized leptons.
To date, most efforts toward this goal have focused on proton-beam-driven muon and neutrino sources, as well as electron-beam-driven positron sources. In this talk, we present an alternative approach based on high-intensity, megawatt-class photon beams, which could be delivered in the future by the Gamma Factory (GF) project. Our exploratory studies indicate that the GF source could produce more than 10^13 muons of both charges, and more than 10^16 electrons and positrons per second.
The GF scheme opens the possibility of creating a novel class of high-intensity, flavour-tagged neutrino and antineutrino beams. The equality of neutrino and antineutrino fluxes—ensured by the use of photons rather than protons as the driver beam—makes this approach particularly well suited for precision studies of CP violation in the neutrino sector.
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