Restriction on the energy and luminosity of e+e- storage rings due to beamstrahlung
Abstract
The role of beamstrahlung in high-energy e+e- storage-ring colliders (SRCs) is examined. Particle loss due to the emission of single energetic beamstrahlung photons is shown to impose a fundamental limit on SRC luminosities at energies 2E_0 >~ 140 GeV for head-on collisions and 2E_0 >~ 40 GeV for crab-waist collisions. With beamstrahlung taken into account, we explore the viability of SRCs in the E_0=240-500 GeV range, which is of interest in the precision study of the Higgs boson. At 2E_0=240 GeV, SRCs are found to be competitive with linear colliders; however, at 2E_0=400-500 GeV, the attainable SRC luminosity would be a factor 15-25 smaller than desired.
Keywords
Cite
@article{arxiv.1203.6563,
title = {Restriction on the energy and luminosity of e+e- storage rings due to beamstrahlung},
author = {V. I. Telnov},
journal= {arXiv preprint arXiv:1203.6563},
year = {2013}
}
Comments
Latex, 5 pages. v2 differs only by minor changes is abstract and introduction, one reference is added. v3 corresponds to the paper published in PRL