New methods to achieve meson, muon and gamma light sources through asymmetric electron positron collisions

Abstract

We propose methods to produce gamma light source, muon and energetic meson beams such as charged and neutral Kaons, which are boosted to be collimated and with relatively long lifetime. The first type of method is based on asymmetric electron positron collisions with a center-of-mass energy of, e.g. 1020[Formula: see text]MeV, and Kaons can be produced at a rate of [Formula: see text]. The electron and positron beams are either asymmetric in energy, e.g. 10[Formula: see text]GeV electron beam with 26[Formula: see text]MeV positron beam, or asymmetric in space, e.g. 10[Formula: see text]GeV electron and positron beams collisions with an angle around 0.05 radius. Such proposals should be able to be achieved with a reasonable budget. The other type of method relies on TeV positron on target experiment, where Kaon beams can be achieved at around [Formula: see text] per bunch crossing. Such Kaon beams are clean with small contamination, and can have great physics potential on, e.g. hyperon searches through Kaon nuclei collision, Kaon rare decay measurement, and Kaon proton or Kaon lepton collisions. The same technique can also be extended to other final states such as pions and tau leptons.