Abstract
We study five-dimensional supergravity on S1/Z2 with a physical Z2-odd vector multiplet, which yields an additional modulus other than the radion. We derive four-dimensional effective theory and find additional terms in the Kähler potential that are peculiar to the multi-moduli case. Such terms can avoid tachyonic soft scalar masses at tree level, which are problematic in the single modulus case. We also show that the flavor structure of the soft terms are different from that in the single modulus case when hierarchical Yukawa couplings are generated by wave function localization in the fifth dimension. We present a concrete model that stabilizes the moduli at a supersymmetry breaking Minkowski minimum and show the low-energy sparticle spectrum.
| Original language | English |
|---|---|
| Article number | 045005 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 79 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2009 Feb 4 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Nuclear and High Energy Physics
Cite this
Flavor structure with multi-moduli in 5D supergravity. / Abe, Hiroyuki; Sakamura, Yutaka.
In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 79, No. 4, 045005, 04.02.2009.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Flavor structure with multi-moduli in 5D supergravity
AU - Abe, Hiroyuki
AU - Sakamura, Yutaka
PY - 2009/2/4
Y1 - 2009/2/4
N2 - We study five-dimensional supergravity on S1/Z2 with a physical Z2-odd vector multiplet, which yields an additional modulus other than the radion. We derive four-dimensional effective theory and find additional terms in the Kähler potential that are peculiar to the multi-moduli case. Such terms can avoid tachyonic soft scalar masses at tree level, which are problematic in the single modulus case. We also show that the flavor structure of the soft terms are different from that in the single modulus case when hierarchical Yukawa couplings are generated by wave function localization in the fifth dimension. We present a concrete model that stabilizes the moduli at a supersymmetry breaking Minkowski minimum and show the low-energy sparticle spectrum.
AB - We study five-dimensional supergravity on S1/Z2 with a physical Z2-odd vector multiplet, which yields an additional modulus other than the radion. We derive four-dimensional effective theory and find additional terms in the Kähler potential that are peculiar to the multi-moduli case. Such terms can avoid tachyonic soft scalar masses at tree level, which are problematic in the single modulus case. We also show that the flavor structure of the soft terms are different from that in the single modulus case when hierarchical Yukawa couplings are generated by wave function localization in the fifth dimension. We present a concrete model that stabilizes the moduli at a supersymmetry breaking Minkowski minimum and show the low-energy sparticle spectrum.
UR - http://www.scopus.com/inward/record.url?scp=62549102542&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=62549102542&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.79.045005
DO - 10.1103/PhysRevD.79.045005
M3 - Article
AN - SCOPUS:62549102542
VL - 79
JO - Physical review D: Particles and fields
JF - Physical review D: Particles and fields
SN - 0556-2821
IS - 4
M1 - 045005
ER -