[PDF] Top 20 Light U(1)s in heterotic string models
Has 10000 "Light U(1)s in heterotic string models" found on our website. Below are the top 20 most common "Light U(1)s in heterotic string models".
Light U(1)s in heterotic string models
... of this type from string models [4–7]. However, it is expected that only local sym- metries survive quantum gravity effects [8] and so in this thesis we do not consider such symmetries. Instead we ... See full document
124
Spinor-vector duality and light Z' in heterotic string vacua
... flavour U (1)s in the model of ...the U(1) symmetry discussed in ...the string scale. Other U(1) symmetries that may play a role in suppressing proton decay ... See full document
17
The Exact MSSM spectrum from string theory
... and string theory since a complete family of quarks and leptons plus a right-handed neutrino fits exactly into its 16 spin ...= 1 supersymmetric E 8 × E 8 heterotic string vacua, a Spin(10) ... See full document
17
Towards machine learning in the classification of Z2xZ2 orbifold compactifications
... r, s combinations survive the projectors and produce physical ...configuration. Models that satisfy specific phenomenological requirements are fished out and their charges and couplings can be analysed in ... See full document
8
Matter from Toric Geometry and its Search at the LHC
... in string theory, the list of relevant simple gauge groups is limited to the finite number of exceptional gauge groups and their ...− 1 at √ s = 7 TeV have not found any superpartners, and have put ... See full document
5
Monad Bundles in Heterotic String Compactifications
... It is our hope that by formulating a systematic construction of a large class of vector bundles over an explicit and relatively simple set of Calabi-Yau manifolds, we can build a substantial number of heterotic ... See full document
36
Classifications of the free fermionic heterotic string vacua
... using String theory, as it is also a consistent theory of quantum ...As String theory is yet to be proven experimentally, one method is to focus on the consequences of String models for the ... See full document
125
Classification of flipped SU(5) heterotic-string vacua
... of string compactifications [25, 26], that may have interesting phenomenological implications [27], as electric charge con- servation implies that the lightest of those exotic states is necessarily ...in ... See full document
51
Calabi-Yau Geometries: Algorithms, Databases, and Physics
... in string theory, a success story particularly illustrative of this mode of theoretical research is that of Calabi-Yau ...ten-dimensional heterotic super-string, its nat- ural incorporation of ... See full document
43
Balanced Metrics and Phenomenological Aspects of Heterotic Compactifications
... supersymmetric models whose spectra contain fields in addition to those of the MSSM with right-handed neutrinos [88, 89, 90, 91, 92, 93, ...MSSM heterotic compactifications, there are no additional ...of ... See full document
256
Counting string theory standard models
... that string compactifications that have the exact charged matter content of the standard model of parti- cle physics (and no other charged matter except moduli) are few in ...of string phenomenology in Ref. ... See full document
6
Phenomenology of Heterotic String Theory: With Emphasis on the B-L/EW Hierarchy
... handed sneutrino VEVs, as well as specifying some physically less interesting initial parameters. The number of initial parameters is reduced to four, related to the squarks, right-handed sneutrinos, the µ parameter and ... See full document
221
Yukawa couplings in heterotic standard models
... = 1 supersymmetric Lagrangian is completely described in terms of two functions, the superpotential and the K¨ahler ...of heterotic standard ...minimal heterotic standard model ... See full document
23
Large volume susy breaking with a solution to the decompactification problem
... fermionic models consisted in isolated exam- ples [33], in more recent years, systematic classification methods have been developed that enable scanning large classes of three generations models, with ... See full document
64
Forest Based Neural Machine Translation
... a string-to-string model (s2s), forest-based models that do not use score se- quences (Forest (No score)), and tree-based mod- els that use the 1-best parsing tree (1-best (No score, ... See full document
11
Supersymmetric Hidden Sectors for Heterotic Standard Models
... We would like to thank Lara Anderson, Ralph Blumenhagen, James Gray, and Andre Lukas for useful discussions. Volker Braun is supported by the Dublin Institute for Advanced Studies and expresses his thanks to the ... See full document
34
Extra s and s in heterotic-string derived models
... the string model is attractive because it admits both the doublet–triplet splitting mechanism [45] as well as the doublet–doublet splitting mechanism ...such string models are not viable because it ... See full document
25
A light Z ' heterotic-string derived model
... every string vacuum with a number of 16 ⊕ 16, and a number 10 representations of SO(10), there exist another vacuum in which the two numbers are ...SO(10) models [12, 13] in terms of the Generalised GSO ... See full document
18
Proton Stability, Gauge Coupling Unification and a Light $Z^\prime$ in Heterotic-string Models
... this U(1) symmetry in heterotic–string models is warranted and will be reported in future ...other U(1) symmetries that have been proposed in the literature to suppress ... See full document
20
Classification of SU(4) x SU(2) x U(1) heterotic-string models
... the heterotic–string in four dimensions pro- duced a rich space of phenomenological three generation ...These models admit the underlying SO(10) GUT embedding of the Standard Model ...the ... See full document
16
Related subjects