Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-02-17
JHEP0506:040,2005
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages
Scientific paper
10.1088/1126-6708/2005/06/040
We investigate the origin of phenomenologically interesting small Yukawa couplings in Type I string theory. Utilising the framework of intersecting sets of D9 and orthogonal D5 branes we demonstrate the connection between extra dimensional volumes and Yukawa couplings. For example, we show that extra dimensions with inverse lengths of $10^8$ GeV can lead to $10^{-10}$ Yukawa couplings. String selection rules, arising from the D-Brane setup, impose non-trivial constraints on the set of allowed superpotentials. As a phenomenological application of these results we construct a type I string model of inflationary particle physics which involves small Yukawa couplings of order $10^{-10}$, and simultaneously solves the strong CP and $\mu$ problem of the MSSM, via the vacuum expectation value of the inflaton field.
Eyton-Williams Oliver J.
King Stephen F.
No associations
LandOfFree
Small Yukawa Couplings from Type I String Theory and the Inflationary Solution to the Strong CP and $μ$ Problems 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 Small Yukawa Couplings from Type I String Theory and the Inflationary Solution to the Strong CP and $μ$ Problems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Small Yukawa Couplings from Type I String Theory and the Inflationary Solution to the Strong CP and $μ$ Problems will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-97321