Large star/rose extra dimension with small leaves/petals

被引:7
|
作者
Nortier, Florian [1 ]
机构
[1] Univ Paris Saclay, CNR, IN2P3, Lab Phys Infinis Irene Joliot Curie IJCLab 2, F-91405 Orsay, France
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2020年 / 35卷 / 30期
关键词
Beyond the Standard Model; large extra dimensions; braneworlds; quantum graphs; neutrino physics; hidden sector; BLACK-HOLES; GAUGE FIELD; SUPERSYMMETRY BREAKING; HIERARCHY PROBLEM; QUANTUM CHAOS; BRANE; GRAVITY; STABILIZATION; DYNAMICS; MODELS;
D O I
10.1142/S0217751X20501821
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
In this paper, we propose to compactify a single Large Extra Dimension (LED) on a star/rose graph with a large number of identical leaves/petals. The 5D Planck scale can be chosen to be Lambda((5))(P)similar to O(1) TeV which can provide a path to solve the gauge hierarchy problem. The leaf/petal length scale is of O(1/Lambda(EW)), where Lambda(EW )similar to 100 GeV is the weak scale, without the large geometrical hierarchy of the traditional LED models to stabilize. The 4D fields of the SM are localized on a 3-brane at the central vertex of the star/rose graph. We predict a tower of feebly coupled weak scale Kaluza-Klein (KK) gravitons below a regime of strongly coupled gravitational phenomena above the TeV scale. Moreover, we reformulate in our setup the LED mechanism to generate light Dirac neutrinos, where the right-handed neutrinos are KK-modes of gauge singlet fermions propagating in the bulk. A large number of KK-gravitons and KK-neutrinos interact only gravitationally and thus constitute a hidden sector.
引用
收藏
页数:49
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