How light can the Higgs be?

Details How light can the Higgs be? How light can the Higgs be?

2003-08-19

arxiv.org/abs/hep-lat/0308020v1

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 4 figures, uses espcrc2.sty, Lattice2003(higgs)

Scientific paper

10.1016/S0920-5632(03)02706-3

It is widely believed that, for a given Top mass, the Higgs mass has a lower bound: if m_Higgs is too small, the Higgs vacuum is unstable due to Top dynamics. From vacuum instability, the state-of-the-art calculation of the lower bound is close to the current experimental limit. Using non-perturbative simulations and large N calculations, we show that the vacuum is in fact never unstable. Instead, we investigate the existence of a new lower bound, based on the intrinsic cut-off of this trivial theory.

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