Results 1 to 10 of about 470 (175)
Boosted decision trees in the era of new physics: a smuon analysis case study
Journal of High Energy Physics, 2022 Machine learning algorithms are growing increasingly popular in particle physics analyses, where they are used for their ability to solve difficult classification and regression problems. While the tools are very powerful, they may often be under- or mis-
Alan S. Cornell +4 more
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ASPECTS OF STRING PHENOMENOLOGY IN PARTICLE PHYSICS AND COSMOLOGY
Odessa Astronomical Publications, 2016 We discuss possible connections between several scales in particle physics and cosmology, such the the electroweak, inflation, dark energy and Planck scales.
I. Antoniadis
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MSSM soft terms from supergravity with gauged R-symmetry in de Sitter vacuum
Nuclear Physics B, 2016 We work out the phenomenology of a model of supersymmetry breaking in the presence of a tiny (tunable) positive cosmological constant, proposed by the authors in arXiv:1403.1534. It utilizes a single chiral multiplet with a gauged shift symmetry that can
I. Antoniadis, R. Knoops
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Mass hierarchy from the flavor symmetry in supersymmetric multi-Higgs doublet model
Journal of High Energy Physics, 2020 We study the supersymmetric standard model with multiple Higgs doublets with gauged U(1) X flavor symmetry. When the flavor symmetry is broken by the vacuum expectation value of flavon, the ℤ3 symmetry M 3 called matter triality remains and it prohibits ...
Atsushi Hinata
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Extraction of neutrino Yukawa parameters from displaced vertices of sneutrinos
Journal of High Energy Physics, 2021 We study displaced signatures of sneutrino pairs potentially emerging at the Large Hadron Collider (LHC) in a Next-to-Minimal Supersymmetric Standard Model supplemented with right-handed neutrinos triggering a Type-I seesaw mechanism.
Amit Chakraborty +3 more
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Dirac gauginos in low scale supersymmetry breaking
Nuclear Physics B, 2014 It has been claimed that Dirac gaugino masses are necessary for realistic models of low-scale supersymmetry breaking, and yet very little attention has been paid to the phenomenology of a light gravitino when gauginos have Dirac masses.
Mark D. Goodsell, Pantelis Tziveloglou
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Interpolation of partial and full supersymmetry breakings in N=2 supergravity
Nuclear Physics B, 2019 We discuss an N=2 supergravity model that interpolates the full and the partial supersymmetry breakings. In particular, we find the conditions for an N=0 Minkowski vacuum, which is continuously connected to the partial-breaking (N=1 preserving) one.
Hiroyuki Abe +3 more
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Supersymmetry anomalies in N = 1 $$ \mathcal{N}=1 $$ conformal supergravity
Journal of High Energy Physics, 2019 We solve the Wess-Zumino consistency conditions of N = 1 $$ \mathcal{N}=1 $$ off-shell conformal supergravity in four dimensions and determine the general form of the superconformal anomalies for arbitrary a and c anomaly coefficients to leading non ...
Ioannis Papadimitriou
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Quadratic contributions of softly broken supersymmetry in the light of loop regularization
European Physical Journal C: Particles and Fields, 2017 Loop regularization (LORE) is a novel regularization scheme in modern quantum field theories. It makes no change to the spacetime structure and respects both gauge symmetries and supersymmetry.
Dong Bai, Yue-Liang Wu
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Collider phenomenology of a gluino continuum
Journal of High Energy Physics, 2020 Continuum supersymmetry is a class of models in which the supersymmetric partners together with part of the standard model come from a conformal sector, broken in the IR near the TeV scale.
Christina Gao +2 more
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