Eur. Phys. J. C 19, 547-551
Estimates of threshold cross section for stoponium production at e+e- collidersN. Fabiano
Physics Department of Perugia University and INFN, sezione di Perugia, via A. Pascoli, 06123 Perugia, Italy Nicola.Fabiano@pg.infn.it
(Received: 27 September 2000 / Revised version: 22 February 2001 / Published online: 23 March 2001 -© Springer-Verlag 2001)
We estimate the total cross section near threshold for a Coulombic potential and compare it to the Born approximation. The effect of the beam energy spread for present and future e+e- colliders is discussed.
© Società Italiana di Fisica, Springer-Verlag 2001