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We have calculated the two-loop strong interaction corrections to the chargino pole masses in the DRbar'-scheme in the Minimal Supersymmetric Standard Model (MSSM) with complex parameters. We have performed a detailed numerical analysis for…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Schofbeck , H. Eberl

We explore the recent weak/strong coupling match of three-point functions in the AdS/CFT correspondence for two semi-classical operators and one light chiral primary operator found by Escobedo et al. This match is between the tree-level…

High Energy Physics - Theory · Physics 2015-06-03 Agnese Bissi , Troels Harmark , Marta Orselli

If no new physics signals are found, in the coming years, at the Large Hadron Collider Run-2, an increase in precision of the Higgs couplings measurements will shift the dicussion to the effects of higher order corrections. In Beyond the…

High Energy Physics - Phenomenology · Physics 2017-08-02 Raul Costa , Marco O. P. Sampaio , Rui Santos

We report on further progress in understanding soft singularities of massless gauge theory scattering amplitudes. Recently, a set of equations was derived based on Sudakov factorization, constraining the soft anomalous dimension matrix of…

High Energy Physics - Phenomenology · Physics 2011-08-17 Lance J. Dixon , Einan Gardi , Lorenzo Magnea

Supersymmetric models with a strongly interacting superconformal hidden sector (HS) may drive soft SUSY breaking scalar masses, bilinear soft term B\mu and Higgs combinations m_{H_{u,d}}^2+\mu^2 to small values at some intermediate scale,…

High Energy Physics - Phenomenology · Physics 2024-01-30 Howard Baer , Vernon Barger , Dakotah Martinez

We give the derivation of the previously announced analytic expression for the correlation function of three heavy non-BPS operators in N=4 super-Yang-Mills theory at weak coupling. The three operators belong to three different su(2)…

High Energy Physics - Theory · Physics 2015-06-05 Ivan Kostov

We present the general form of the renormalizable four-point interactions of a complex scalar field furnishing an irreducible representation of SU(2), and derive a set of algebraic identities that facilitates the calculation of higher-order…

High Energy Physics - Phenomenology · Physics 2020-10-28 Joachim Brod , Zachary Polonsky

We investigate the impacts of combination of fermion-fermion interactions and impurity scatterings on the low-energy stabilities of two-dimensional asymmetric materials with a quadratic band crossing point by virtue of the renormalization…

Strongly Correlated Electrons · Physics 2020-10-09 Yao-Ming Dong , Ya-Hui Zhai , Dong-Xing Zheng , Jing Wang

We provide, in the R-parity violating supersymmetric standard model, a comprehensive analysis for sneutrino minimization from the one-loop effective scalar potential, and also for one-loop renormalized neutrino masses and mixing by…

High Energy Physics - Phenomenology · Physics 2009-10-31 Eung Jin Chun , Sin Kyu Kang

We compute the one-loop effects on the neutrino propagation through matter induced by virtual supersymmetric particles. We show that, in the minimal version of the supersymmetric standard model, a non-degeneracy between sleptons of the…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. Roulet

In the minimal supersymmetric standard model, the three gauge couplings appear to unify at a mass scale near $2 \times 10^{16}$ GeV. We investigate the possibility that intermediate scale particle thresholds modify the running couplings so…

High Energy Physics - Phenomenology · Physics 2016-09-01 Stephen P. Martin , Pierre Ramond

Two-loop contributions to the electromagnetic form factors are calculated in the kinematic regime close to the fermion-antifermion threshold. The results are presented in an expansion in the velocity $\beta$ of the fermions in the c.m.…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. H. Hoang

Soft supersymmetry breaking terms were recently derived for type IIB string flux compactifications with all moduli stabilised. Depending on the choice of the discrete input parameters of the compactification such as fluxes and ranks of…

High Energy Physics - Phenomenology · Physics 2009-11-11 Benjamin C. Allanach , Fernando Quevedo , Kerim Suruliz

In this work, we perform a dedicated analysis of fermion mass fits in the minimal $SO(10)$ grand unified theory (GUT), going beyond the tree-level approximation by incorporating one-loop finite corrections to the neutrino mass matrix. We…

High Energy Physics - Phenomenology · Physics 2026-05-08 Chee Sheng Fong , Shaikh Saad

We systematically analyze the radiative corrections to the $S_3$ symmetric neutrino mass matrix at high energy scale, say the GUT scale, in the charged lepton basis. There are significant corrections to the neutrino parameters both in the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Shivani Gupta , C. S. Kim , Pankaj Sharma

The results for the three-loop renormalization group equations for all fundamental parameters of the SM Lagrangian are presented. Special attention is paid to the Flavor sector of the SM, which parameterized by general complex non-diagonal…

High Energy Physics - Phenomenology · Physics 2014-12-11 A. V. Bednyakov

More precise unification predictions require going beyond the lowest order, including 2-loop running of the couplings and a correct treatment of threshold effects. Here we revised two different approaches to deal with light thresholds,…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Bastero-Gil

Numerical correlations between fermion masses and mixings could indicate the presence of a flavor symmetry at high energies. In general, the search for these correlations using low-energy data requires an estimate of leading-log radiative…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. A. Aguilar-Saavedra , M. Masip

A new approach is proposed to phenomenological study of a generic unified supergravity model, which reduces to the minimal supersymmetric standard model. The model is effectively parametrized in terms of five low energy observables. In…

High Energy Physics - Phenomenology · Physics 2009-10-22 M. Olechowski , S. Pokorski

We derive the triply differential spectrum for the inclusive rare decay B -> Xs l+ l- in the shape function region, in which Xs is jet-like with $mX^2 \lesssim mb \Lambda_QCD$. Experimental cuts make this a relevant region. The perturbative…

High Energy Physics - Phenomenology · Physics 2008-11-26 Keith S. M. Lee , Iain W. Stewart