Search Results - "Sakellariadou, M."
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Search for magnetic monopoles produced via the Schwinger mechanism
Published in Nature (London) (03-02-2022)“…Electrically charged particles can be created by the decay of strong enough electric fields, a phenomenon known as the Schwinger mechanism 1 . By…”
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Search for highly-ionizing particles in pp collisions at the LHC’s Run-1 using the prototype MoEDAL detector
Published in The European physical journal. C, Particles and fields (01-08-2022)“…A search for highly electrically charged objects (HECOs) and magnetic monopoles is presented using 2.2 fb - 1 of p - p collision data taken at a centre of mass…”
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Formation & evolution of cosmic superstrings: a short review
Published in Fortschritte der Physik (01-07-2010)“…I will briefly review the formation and evolution of cosmic superstrings, in the context of brane‐world cosmological models within M‐theory. These objects can…”
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Dynamical Constraints on Dark Matter in Compact Objects
Published in The Astrophysical journal (01-05-1999)Get full text
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Why do we live in 3+1 dimensions?
Published in Physics letters. B (19-05-2005)“…In the context of string theory we argue that higher-dimensional Dp-branes unwind and evaporate so that we are left with D3-branes embedded in a…”
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Search for magnetic monopoles with the MoEDAL forward trapping detector in 2.11 fb−1 of 13 TeV proton–proton collisions at the LHC
Published in Physics letters. B (01-07-2018)“…We update our previous search for trapped magnetic monopoles in LHC Run 2 using nearly six times more integrated luminosity and including additional models for…”
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The revival of cosmic strings
Published in Annalen der Physik (01-04-2006)“…Cosmic strings are one‐dimensional topological defects which could have been formed in the early stages of our Universe. They triggered a lot of interest,…”
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Constraining models of extended gravity using Gravity Probe B and LARES experiments
Published in Physical review. D, Particles, fields, gravitation, and cosmology (09-02-2015)“…We consider models of extended gravity and in particular, generic models containing scalar-tensor and higher-order curvature terms, as well as a model derived…”
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How robust is the prediction of Gaussian statistics within single-field inflation?
Published in New astronomy reviews (01-11-2003)“…In the context of single-field inflation, we study the statistics of the CMB anisotropies. We assume an initial state for the perturbations of…”
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Massless (pseudo-)scalar seeds of CMB anisotropy
Published in Physics letters. B (17-09-1998)“…A primordial stochastic background of very weakly coupled massless (pseudo-)scalars can seed CMB anisotropy, when large-scale fluctuations of their…”
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Cosmic Microwave Background Anisotropies from Scaling Seeds: Fit to Observational Data
Published in Physical review letters (29-12-1997)Get full text
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Magnetic Monopole Search with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions Interpreted in Photon-Fusion and Drell-Yan Production
Published in Physical review letters (12-07-2019)“…MoEDAL is designed to identify new physics in the form of stable or pseudostable highly ionizing particles produced in high-energy Large Hadron Collider (LHC)…”
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Geodesic deviation in Sáez–Ballester theory
Published in PHYSICS OF THE DARK UNIVERSE (01-09-2022)“…We study the geodesic deviation (GD) equation in a generalized version of the Sáez–Ballester (SB) theory in arbitrary dimensions. We first establish a general…”
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Search for Magnetic Monopoles with the MoEDAL Forward Trapping Detector in 13 TeV Proton-Proton Collisions at the LHC
Published in Physical review letters (10-02-2017)“…MoEDAL is designed to identify new physics in the form of long-lived highly ionizing particles produced in high-energy LHC collisions. Its arrays of plastic…”
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First Search for Dyons with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions
Published in Physical review letters (19-02-2021)“…The MoEDAL trapping detector consists of approximately 800 kg of aluminum volumes. It was exposed during run 2 of the LHC program to 6.46 fb^{-1} of 13 TeV…”
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How generic is cosmic string formation in supersymmetric grand unified theories
Published in Physical review. D, Particles and fields (01-11-2003)Get full text
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Particle creation in pre-big-bang cosmology
Published in New astronomy reviews (2002)“…We present some phenomenological aspects of the pre-big-bang cosmological model inspired by the duality properties of string theory. In particular, assuming…”
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Late time cosmic acceleration in modified Sáez–Ballester theory
Published in PHYSICS OF THE DARK UNIVERSE (01-01-2020)“…We establish an extended version of the modified Sáez–Ballester (SB) scalar–tensor theory in arbitrary dimensions whose energy momentum tensor as well as…”
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Is F-term hybrid inflation natural within minimal supersymmetric SO(10)?
Published in The European physical journal. C, Particles and fields (01-02-2014)“…We examine whether F-term supersymmetric hybrid inflation can in a natural way be embedded within the minimal SO(10) model. We show that none of the singlets…”
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New contribution to cosmological perturbations of some inflationary models
Published in Physical review. D, Particles and fields (15-11-1994)Get full text
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