Quasi-isochronous storage ring

In tins article we study the possibility of designing storage rings with a reduced by two or more orders of magnitude with respect to existing rings, thus making the bunch length shorter by a factor of 10 or more . We will, with an appropriate design, show that this bunch length reduction can be achieved while simultaneously increasing the beam peak current. With this approach one can increase the six-dimensional beam phase density, extending the range of applications of storage rings . For an electron-positron collider, reducing the bunch length allows one to decrease the beta function at the interaction point 13* . The luminosity would then be increased by a factor of 10. For a damping ring of a linear collider, the bunch length can be matched to the phase acceptance of the linac, thus avoiding the need of