Results 71 to 80 of about 179 (141)
Journal of High Energy Physics, 2019 We investigate neutralino dark matter from a string/M-theory perspective. Using the Kallosh-Linde (KL) scenario to stabilize the string moduli requires supersymmetry breaking for uplifting to a de Sitter vacuum.
Thaisa C. da C. Guio, Ernany R. Schmitz
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Unity of pomerons from gauge/string duality
Journal of High Energy Physics, 2017 We develop a formalism where the hard and soft pomeron contributions to high energy scattering arise as leading Regge poles of a single kernel in holographic QCD.
Alfonso Ballon-Bayona +2 more
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Hidden sectors in string theory: kinetic mixings, fifth forces and quintessence
Journal of High Energy Physics, 2019 Light moduli fields in string compactifications can have interesting implications for particle physics and cosmology. Fifth force bounds impose stringent constraints on the interactions of such moduli with the visible sector.
Bobby Samir Acharya +2 more
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, 2016 In this doctoral thesis, various aspects of string model building and phenomenology are investigated within the framework of Type IIA string theory on the T 6/(Z2 × Z6 × ΩR) orbifold with discrete torsion. The aim is the reproduction of supersymmetric versions of well-known particle physics models using intersecting rigid D6-branes wrapped on ...
openaire +2 more sources
Aspects of string phenomenology in particle physics and cosmology [PDF]
, 2016 I discuss possible connections between several scales in particle physics and cosmology, such the the electroweak, inflation, dark energy and Planck scales. In particular, I discuss the physics of extra dimensions and low scale gravity that are motivated
Antoniadis, I. +2 more
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Searching for axion-like particles with proton tagging at the LHC
Journal of High Energy Physics, 2018 The existence of an axion-like particle (ALP) would induce anomalous scattering of light by light. This process can be probed at the Large Hadron Collider in central exclusive production of photon pairs in proton-proton collisions by tagging the ...
C. Baldenegro +3 more
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Uncovering quasi-degenerate Kaluza-Klein Electro-Weak gauge bosons with top asymmetries at the LHC
, 2013 By exploiting the correlation between charge and spin polarisation asymmetries in t-tbar, we show that combining the two observables could identify the presence of quasi-degenerate states in a resonant signal at the LHC.
Moretti, S., Accomando, E., Mimasu, K.
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De Sitter cosmology on an expanding bubble
Journal of High Energy Physics, 2019 Constructing an explicit compactification yielding a metastable de Sitter (dS) vacuum in a UV consistent string theory is an incredibly difficult open problem.
Souvik Banerjee +4 more
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Geometry of black holes and braneworlds in higher dimensions [PDF]
, 2004 This tliesis first discusses braneworld models, we explain how the bulk geometry in codimension 2 scenarios restricts braneworld fields in a way inconsistent with observation.
Paul B. Bostock +2 more
core
Journal of High Energy Physics, 2018 A generic feature of string compactifications is the presence of many scalar fields, called moduli. Moduli are usually displaced from their post-inflationary minimum during inflation.
Stefan Antusch +5 more
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