Anthropic tuning of the weak scale and of m_u/m_d in two-Higgs-doublet models
| dc.creator | Barr, S. M. | |
| dc.creator | Khan, Almas | |
| dc.date | 2007-03-20 | |
| dc.date.accessioned | 2026-07-07T11:02:53Z | |
| dc.date.available | 2026-07-07T11:02:53Z | |
| dc.description | It is shown that in a model in which up-type and down-type fermions acquire mass from different Higgs doublets, the anthropic tuning of the Higgs mass parameters can explain the fact that the observed masses of the $d$ and $u$ quarks are nearly the same with $d$ slightly heavier. If Yukawa couplings are assumed not to "scan" (vary among domains), this would also help explain why the t quark is much heavier than the b quark. It is also pointed out that the existence of dark matter invalidates some earlier anthropic arguments against the viability of domains where the Standard Model Higgs has positive $μ^2$, but makes other even stronger arguments possible. | |
| dc.description | 31 pages, 7 figures | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0703219 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0703219 | |
| dc.identifier | Phys.Rev.D76:045002,2007 | |
| dc.identifier | doi:10.1103/PhysRevD.76.045002 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/188406 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Anthropic tuning of the weak scale and of m_u/m_d in two-Higgs-doublet models | |
| dc.type | text |