Invisble width measurements at LHC are investigated for ADD model
THE INVISIBLE HIGGS DECAY WIDAssuming flat universal extra dimensions, we demonstrate that for a light Higgs boson the process pp→W∗W∗+X→Higgs,graviscalars+X→invisible+X will be observable at the 5σ level at the LHC for the portion of the Higgs-graviscalar mixing (ξ) and effective Planck mass (MD) parameter space where channels relying on visible Higgs decays fail to achieve a 5σ signal. Further, we show that even for very modest values of ξ the invisible decay signal probes to higher MD than does the (ξ-independent) jets/$\gam$ + missing energy signal from graviton radiation. We also discuss various effects, such as Higgs decay to two graviscalars, that could become important when mh/MD is of order 1. TH IN THE ADD MODEL AT THE LHC / BATTAGLIA M.; D. DOMINICI; GUNION J.F.; WELLS J.D.. - ELETTRONICO. - (2004), pp. 86-92. (Intervento presentato al convegno Les Houches 2003, Physics at TeV colliders).
THE INVISIBLE HIGGS DECAY WIDAssuming flat universal extra dimensions, we demonstrate that for a light Higgs boson the process pp→W∗W∗+X→Higgs,graviscalars+X→invisible+X will be observable at the 5σ level at the LHC for the portion of the Higgs-graviscalar mixing (ξ) and effective Planck mass (MD) parameter space where channels relying on visible Higgs decays fail to achieve a 5σ signal. Further, we show that even for very modest values of ξ the invisible decay signal probes to higher MD than does the (ξ-independent) jets/$\gam$ + missing energy signal from graviton radiation. We also discuss various effects, such as Higgs decay to two graviscalars, that could become important when mh/MD is of order 1. TH IN THE ADD MODEL AT THE LHC
DOMINICI, DANIELE;
2004
Abstract
Invisble width measurements at LHC are investigated for ADD model
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