Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-12-04
Phys.Rev.D77:076010,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
37 pages, 10 figures
Scientific paper
10.1103/PhysRevD.77.076010
A supersymmetric extension of the standard model based on the discrete $Q_6$ family symmetry is considered, and we investigate flavor-changing neutral current (FCNC) processes, especially those mediated by heavy flavor-changing neutral Higgs bosons. Because of the family symmetry the number of the independent Yukawa couplings is smaller than that of the observed quantities such as the Cabibbo-Kobayashi-Maskawa matrix and the quark masses, so that the FCNCs can be parametrized only by the mixing angles and masses of the Higgs fields. We focus our attention on the mass differences of the neutral $K, D$ and $B$ mesons. All the constraints including that from the ratio $\Delta M_{B_s}/\Delta M_{B_d}$ can be satisfied, if the heavy Higgs bosons are heavier than $\sim 1.5$ TeV. If the constraint from $\Delta M_K$ is slightly relaxed, the heavy Higgs bosons can be as light as $\sim 0.4$ TeV, which is within the accessible range of LHC.
Kifune Naoko
Kubo Jisuke
Lenz Alexander
No associations
LandOfFree
Flavor Changing Neutral Higgs Bosons in a Supersymmetric Extension based on a $Q_6$ Family Symmetry does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Flavor Changing Neutral Higgs Bosons in a Supersymmetric Extension based on a $Q_6$ Family Symmetry, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flavor Changing Neutral Higgs Bosons in a Supersymmetric Extension based on a $Q_6$ Family Symmetry will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-681811