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Neutrino Factory/Muon Collider Document 299-v1

Degenerate Higgs Bosons and Black Holes Production

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MuCool Note
Submitted by:
John Urish
Updated by:
John Urish
Document Created:
27 Oct 2004, 12:00
Contents Revised:
27 Oct 2004, 12:00
Metadata Revised:
27 Oct 2004, 12:00
Actually Revised:
14 Sep 2006, 13:35
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The direct s-channel coupling to Higgs bosons is 40000 times greater for muons
than electrons; the coupling goes as mass squared. High precision scanning of
the lighter $h^0$ and the higher mass $H^0$ and $A^0$ is thus possible with a
muon collider. The $H^0$ and $A^0$ are expected to be nearly mass degenerate
and to be CP even and odd, respectively. A muon collider could resolve the mass
degeneracy and make CP measurements. The origin of CP violation in the $K^{0}$ and
$B^{0}$ meson systems might lie in the the $H^0$/$A^0$ Higgs bosons.
If large extra dimensions exist, black holes with lifetimes of $\sim 10^{-26}$
seconds could be created and observed via Hawking radiation at the LHC.
Unlike proton or electron colliders, muon colliders can produce black hole
systems of known mass. This opens the possibilities of measuring quantum remnants,
gravitons as missing energy, and scanning production turn on.
Proton colliders are hampered by parton distributions and CLIC by beamstrahlung.
The ILC lacks the energy reach.

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This is revision # 1
Posted by Romulus Godang

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Notes and Changes:
R. Godang, M. Cavaglia, D. Cline, L. Cremaldi, and D. Summers
Publication Information:
Proceedings to the DPF 2004: Annual Meeting of the Division of Particles and Fields of APS
26 August-31 August 2004, Riverside, CA, U.S.A
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