Estimates of threshold cross section for stoponium production at $e^+e^-$ colliders

N. Fabiano

doi:doi:10.1007/s100520100638

EPJ

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2024 Impact factor 4.8

Particles and Fields

Eur. Phys. J. C 19, 547-551
DOI: 10.1007/s100520100638

Estimates of threshold cross section for stoponium production at e⁺e^- colliders

N. Fabiano

Physics Department of Perugia University and INFN, sezione di Perugia, via A. Pascoli, 06123 Perugia, Italy

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(Received: 27 September 2000 / Revised version: 22 February 2001 / Published online: 23 March 2001 -© Springer-Verlag 2001)

Abstract
We estimate the total $e^+e^- \to \tilde{t} \overline{\tilde{t}}$ 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.