Journal of High Energy Physics, ISSN 1126-6708, 12/2016, Volume 2016, Issue 12, pp. 1 - 24

Δ(54) can serve as a flavor symmetry in particle physics, but remains almost unexplored. We show that in a classification of semi-realistic ℤ 3 × ℤ 3 heterotic...

Discrete Symmetries | Compactification and String Models | Neutrino Physics | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | TORSION | ORBIFOLD | MODEL | GRAND UNIFIED THEORIES | DISCRETE SYMMETRY | ORIGIN | MINI-LANDSCAPE | NEUTRINO MASS | A FAMILY SYMMETRY | PHYSICS, PARTICLES & FIELDS | Hierarchies | Reactors | Flavor (particle physics) | Atmospheric models | Neutrinos | Classification | Strings | Flavours | Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Theory

Discrete Symmetries | Compactification and String Models | Neutrino Physics | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | TORSION | ORBIFOLD | MODEL | GRAND UNIFIED THEORIES | DISCRETE SYMMETRY | ORIGIN | MINI-LANDSCAPE | NEUTRINO MASS | A FAMILY SYMMETRY | PHYSICS, PARTICLES & FIELDS | Hierarchies | Reactors | Flavor (particle physics) | Atmospheric models | Neutrinos | Classification | Strings | Flavours | Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Theory

Journal Article

Physics Letters B, ISSN 0370-2693, 02/2020, Volume 801, p. 135153

Models with modular flavor symmetries have been thought to be highly predictive. We point out that these predictions are subject to corrections from...

UNIFICATION | PHYSICS, NUCLEAR | COUPLINGS | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS

UNIFICATION | PHYSICS, NUCLEAR | COUPLINGS | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 1/2019, Volume 2019, Issue 1, pp. 1 - 30

It is well-known that the space group selection rule constrains the interactions of closed strings on orbifolds. For some examples, this rule has been...

Discrete Symmetries | Superstrings and Heterotic Strings | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | ORIGIN | SYMMETRIES | MINI-LANDSCAPE | DUALITY | MODEL | PHYSICS, PARTICLES & FIELDS | Supersymmetry | Permutations | Dark matter | Flavor (particle physics) | Group theory | Strings | Symmetry

Discrete Symmetries | Superstrings and Heterotic Strings | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | ORIGIN | SYMMETRIES | MINI-LANDSCAPE | DUALITY | MODEL | PHYSICS, PARTICLES & FIELDS | Supersymmetry | Permutations | Dark matter | Flavor (particle physics) | Group theory | Strings | Symmetry

Journal Article

Physics Letters B, ISSN 0370-2693, 08/2019, Volume 795, pp. 673 - 681

Additional Abelian gauge interactions are generic to string compactifications. In heterotic string models, gauge coupling unification of such forces and other...

STRINGS | MSSM | MODELS | MINI-LANDSCAPE | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | Z | PHYSICS | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Phenomenology

STRINGS | MSSM | MODELS | MINI-LANDSCAPE | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | Z | PHYSICS | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Phenomenology

Journal Article

The journal of high energy physics, ISSN 1029-8479, 2013, Volume 2013, Issue 7, pp. 1 - 50

We perform the first systematic analysis of particle spectra obtained from heterotic string compactifications on non-Abelian toroidal orbifolds. After...

Flux compactifications | Superstrings and Heterotic Strings | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | STRINGS | ORIENTIFOLDS | SYMMETRY | ANOMALY CANCELLATION | MINI-LANDSCAPE | SUPERSYMMETRIC STANDARD MODEL | COMPACTIFICATIONS | UNIFICATION | D-BRANES | PHYSICS, PARTICLES & FIELDS | Invisibility | Analysis | Supersymmetry | Broken symmetry | Group theory | Spectra | Strings | Gages | Standards

Flux compactifications | Superstrings and Heterotic Strings | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | STRINGS | ORIENTIFOLDS | SYMMETRY | ANOMALY CANCELLATION | MINI-LANDSCAPE | SUPERSYMMETRIC STANDARD MODEL | COMPACTIFICATIONS | UNIFICATION | D-BRANES | PHYSICS, PARTICLES & FIELDS | Invisibility | Analysis | Supersymmetry | Broken symmetry | Group theory | Spectra | Strings | Gages | Standards

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 1/2012, Volume 2012, Issue 1, pp. 1 - 29

We study kinetic mixing between massless U(1) gauge symmetries in the bosonic formulation of heterotic orbifold compactifications. For non-prime Z N...

Strings and branes phenomenology | Phenomenology of Field Theories in Higher Dimensions | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | STRINGS | SYMMETRY | MINI-LANDSCAPE | LIGHT | GAUGE THRESHOLD CORRECTIONS | COUPLINGS | HIDDEN-SECTOR | PHYSICS, PARTICLES & FIELDS

Strings and branes phenomenology | Phenomenology of Field Theories in Higher Dimensions | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | STRINGS | SYMMETRY | MINI-LANDSCAPE | LIGHT | GAUGE THRESHOLD CORRECTIONS | COUPLINGS | HIDDEN-SECTOR | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Physics: Conference Series, ISSN 1742-6588, 10/2016, Volume 761, Issue 1

Conference Proceeding

Journal of Physics: Conference Series, ISSN 1742-6588, 10/2017, Volume 912, Issue 1

Heterotic orbifolds can explain the origin of flavor symmetries and the flavor representations of matter fields in particle physics as a result of the...

Conference Proceeding

The European Physical Journal C, ISSN 1434-6044, 1/2009, Volume 59, Issue 2, pp. 249 - 267

...Eur. Phys. J. C (2009) 59: 249–267 DOI 10.1140/epjc/s10052-008-0740-1 Review From strings to the MSSM Hans Peter Nilles 1 , a , Saúl Ramos-Sánchez 1 , b...

Measurement Science, Instrumentation | Nuclear Physics, Heavy Ions, Hadrons | Physics | Physics beyond the Standard Model | Astronomy, Astrophysics and Cosmology | Elementary Particles, Quantum Field Theory | ORBIFOLD COMPACTIFICATIONS | NATURAL SOLUTION | ANOMALY CANCELLATION | HIGGS DOUBLETS | SUPERSYMMETRIC STANDARD MODEL | MU-PROBLEM | LOOP CORRECTIONS | GAUGE UNIFICATION | GRAND UNIFIED THEORIES | SYMMETRY-BREAKING | PHYSICS, PARTICLES & FIELDS | String theory | Couplings | Standard model (particle physics) | Neutrinos

Measurement Science, Instrumentation | Nuclear Physics, Heavy Ions, Hadrons | Physics | Physics beyond the Standard Model | Astronomy, Astrophysics and Cosmology | Elementary Particles, Quantum Field Theory | ORBIFOLD COMPACTIFICATIONS | NATURAL SOLUTION | ANOMALY CANCELLATION | HIGGS DOUBLETS | SUPERSYMMETRIC STANDARD MODEL | MU-PROBLEM | LOOP CORRECTIONS | GAUGE UNIFICATION | GRAND UNIFIED THEORIES | SYMMETRY-BREAKING | PHYSICS, PARTICLES & FIELDS | String theory | Couplings | Standard model (particle physics) | Neutrinos

Journal Article

Journal of Physics: Conference Series, ISSN 1742-6588, 10/2017, Volume 912, Issue 1

Conference Proceeding

Journal of High Energy Physics, ISSN 1126-6708, 1/2011, Volume 2011, Issue 1, pp. 1 - 57

... stabilisation and de Sitter vacua in MSSM heterotic orbifolds Susha L. Parameswaran,a Saúl Ramos-Sánchezb and Ivonne Zavalac aDepartment of Physics and Astronomy, Uppsala...

Compactification and String Models | Superstrings and Heterotic Strings | Quantum Physics | dS vacua in string theory | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | DS vacua in string theory | Compactification and string models | Superstrings and heterotic strings | INVARIANCE | EFFECTIVE FIELD-THEORIES | SPACE DUALITY | SYMMETRY | ANOMALY CANCELLATION | COMPACTIFICATIONS | ONE-LOOP CORRECTIONS | STRING UNIFICATION | COUPLINGS | SUPERSYMMETRY BREAKING | PHYSICS, PARTICLES & FIELDS | Invisibility | Analysis | Instantons

Compactification and String Models | Superstrings and Heterotic Strings | Quantum Physics | dS vacua in string theory | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | DS vacua in string theory | Compactification and string models | Superstrings and heterotic strings | INVARIANCE | EFFECTIVE FIELD-THEORIES | SPACE DUALITY | SYMMETRY | ANOMALY CANCELLATION | COMPACTIFICATIONS | ONE-LOOP CORRECTIONS | STRING UNIFICATION | COUPLINGS | SUPERSYMMETRY BREAKING | PHYSICS, PARTICLES & FIELDS | Invisibility | Analysis | Instantons

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 8/2010, Volume 2010, Issue 8, pp. 1 - 20

In the NMSSM, a light CP-odd Higgs arises due to spontaneous breaking of approximate symmetries such as Peccei-Quinn or R-symmetry and is motivated by string...

Rare Decays | Supersymmetric Standard Model | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Higgs Physics | Physics | Elementary Particles, Quantum Field Theory | LIMITS | DECAY | MINI-LANDSCAPE | SEARCH | SIGNALS | MODEL | BOSONS | PHYSICS, PARTICLES & FIELDS | String theory | Couplings | Standard model (particle physics) | Constraints | Fermions | Particle decay | Muons | Physics - High Energy Physics - Phenomenology

Rare Decays | Supersymmetric Standard Model | Beyond Standard Model | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Higgs Physics | Physics | Elementary Particles, Quantum Field Theory | LIMITS | DECAY | MINI-LANDSCAPE | SEARCH | SIGNALS | MODEL | BOSONS | PHYSICS, PARTICLES & FIELDS | String theory | Couplings | Standard model (particle physics) | Constraints | Fermions | Particle decay | Muons | Physics - High Energy Physics - Phenomenology

Journal Article

JOURNAL OF HIGH ENERGY PHYSICS, ISSN 1029-8479, 02/2020, Volume 2020, Issue 2, pp. 1 - 25

... groups Hans Peter Nilles,a Saúl Ramos-Sánchezb,c and Patrick K.S. Vaudrevangec aBethe Center for Theoretical Physics and Physikalisches Institut der Universität...

Discrete Symmetries | Quark Masses and SM Parameters | ORIGIN | SYMMETRIES | Beyond Standard Model | Global Symmetries | UNIFICATION | CP VIOLATION | PHYSICS, PARTICLES & FIELDS | Flavor (particle physics) | Symmetry

Discrete Symmetries | Quark Masses and SM Parameters | ORIGIN | SYMMETRIES | Beyond Standard Model | Global Symmetries | UNIFICATION | CP VIOLATION | PHYSICS, PARTICLES & FIELDS | Flavor (particle physics) | Symmetry

Journal Article

Physics letters. B, ISSN 0370-2693, 2007, Volume 645, Issue 1, pp. 88 - 94

We explore a “fertile patch” of the heterotic landscape based on a Z6-II orbifold with SO(10) and E6 local GUT structures. We search for models allowing for...

STRINGS | SYMMETRY | MODELS | ASTRONOMY & ASTROPHYSICS | MU-PROBLEM | COMPACTIFICATIONS | PHYSICS, NUCLEAR | GRAND UNIFIED THEORIES | GAUGE | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory

STRINGS | SYMMETRY | MODELS | ASTRONOMY & ASTROPHYSICS | MU-PROBLEM | COMPACTIFICATIONS | PHYSICS, NUCLEAR | GRAND UNIFIED THEORIES | GAUGE | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory

Journal Article

Physical review. D, ISSN 2470-0029, 2018, Volume 98, Issue 10, p. 106020

Discovering a selection principle and the origin of flavor symmetries from an ultraviolet completion of particle physics is an interesting open task. As a step...

STRINGS | ORIGIN | SYMMETRIES | ASTRONOMY & ASTROPHYSICS | COUPLINGS | GRAND UNIFIED THEORIES | PHYSICS, PARTICLES & FIELDS | Phenomenology | Standard model (particle physics) | Supersymmetry | Toruses | Particle physics | Flavors | Translations

STRINGS | ORIGIN | SYMMETRIES | ASTRONOMY & ASTROPHYSICS | COUPLINGS | GRAND UNIFIED THEORIES | PHYSICS, PARTICLES & FIELDS | Phenomenology | Standard model (particle physics) | Supersymmetry | Toruses | Particle physics | Flavors | Translations

Journal Article

Journal of Physics: Conference Series, ISSN 1742-6588, 10/2016, Volume 761, Issue 1

Models endowed with Higgs portals can probe into the hidden sectors of particle physics while providing stable dark matter candidates. Previous tree-level...

Physics - High Energy Physics - Phenomenology

Physics - High Energy Physics - Phenomenology

Conference Proceeding

Physics letters. B, ISSN 0370-2693, 2010, Volume 684, Issue 1, pp. 48 - 51

We study the possibility of constructing the NMSSM from the heterotic string. String-derived NMSSMs are much more rare than MSSMs due to the extra requirement...

SYMMETRY | MSSM | MINI-LANDSCAPE | ASTRONOMY & ASTROPHYSICS | SUPERSYMMETRIC STANDARD MODEL | PHYSICS, NUCLEAR | ORBIFOLD | HIGGS | SPECTRA | GRAND UNIFIED THEORIES | VACUA | PHYSICS, PARTICLES & FIELDS

SYMMETRY | MSSM | MINI-LANDSCAPE | ASTRONOMY & ASTROPHYSICS | SUPERSYMMETRIC STANDARD MODEL | PHYSICS, NUCLEAR | ORBIFOLD | HIGGS | SPECTRA | GRAND UNIFIED THEORIES | VACUA | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 02/2008, Volume 77, Issue 4

In a previous paper, referred to as a "Mini-Landscape" search, we explored a "fertile patch" of the heterotic landscape based on a Z(6)-II orbifold with SO(10)...

ORBIFOLD COMPACTIFICATIONS | SYMMETRY | ANOMALY CANCELLATION | STRING COMPACTIFICATION | ASTRONOMY & ASTROPHYSICS | COUPLINGS | GAUGE UNIFICATION | SUPERSYMMETRY BREAKING | FLAT DIRECTIONS | GRAND UNIFIED THEORIES | PROTON DECAY | PHYSICS, PARTICLES & FIELDS

ORBIFOLD COMPACTIFICATIONS | SYMMETRY | ANOMALY CANCELLATION | STRING COMPACTIFICATION | ASTRONOMY & ASTROPHYSICS | COUPLINGS | GAUGE UNIFICATION | SUPERSYMMETRY BREAKING | FLAT DIRECTIONS | GRAND UNIFIED THEORIES | PROTON DECAY | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Physics: Conference Series, ISSN 1742-6588, 2012, Volume 378, Issue 1, pp. 1 - 27

We review some of the mechanisms that string theory offers to address phenomenological questions, such as the origin of our observable four-dimensional...

String theory | Origins | Construction | Searching | Particle physics | Cosmology | Strings | Symmetry

String theory | Origins | Construction | Searching | Particle physics | Cosmology | Strings | Symmetry

Conference Proceeding