Limits on the brane fluctuations mass and on the brane tension scale from electron-positron colliders

Details Limits on the brane fluctuations mass and on the brane tension scale from electron-positron colliders Limits on the brane fluctuations mass and on the brane tension scale from electron-positron colliders

2002-12-18

arxiv.org/abs/hep-ph/0212269v2

Phys.Rev.D67:075010,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 38 pages, 7 figures. Minor changes, matches published version

Scientific paper

10.1103/PhysRevD.67.075010

In the context of the brane-world scenarios with compactified large extra dimensions, we study the production of the possible massive brane oscillations (branons) in electron-positron colliders. We compute their contribution to the electroweak gauge bosons decay width and to the single-photon and single-Z processes. With LEP-I results and assuming non observation at LEP-II, we present exclusion plots for the brane tension $\tau = f^4$ and the branon mass $M$. Prospects for the next generation of electron-positron colliders are also considered.

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