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Related papers: One loop gauge couplings in AdS5

200 papers

We study radiative corrections to third generation scalar fermions into gauge bosons $Z$ and $W^\pm$. We include both SUSY-QCD, QED and full electroweak corrections. It is found that the electroweak corrections can be of the same order as…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abdesslam Arhrib , Rachid Benbrik

We study the gauge coupling evolution of a unified theory in the compact Randall-Sundrum model with gauge bosons propagating in the bulk. One-loop corrections in AdS are interpreted in the 4d dual theory as the sum of two contributions: CFT…

High Energy Physics - Theory · Physics 2009-11-07 R. Contino , P. Creminelli , E. Trincherini

We bootstrap all of the next-next-to-extremal one-loop four-point correlators of supergravitons and supergluons in ${\rm AdS_5}$ using a differential representation, and obtain closed formulas that are valid in both position space and…

High Energy Physics - Theory · Physics 2025-02-06 Zhongjie Huang , Bo Wang , Ellis Ye Yuan

Motivated by desire to shed light on the strong coupling behaviour of anomalous dimensions of "short" gauge theory operators we consider the famous example of folded spinning string in AdS_5 in the limit of small semiclassical spin…

High Energy Physics - Theory · Physics 2009-02-20 A. Tirziu , A. A. Tseytlin

We bound anomalous gauge boson couplings using LEP data for the $Z\rightarrow {\overline f} f$ partial widths. We use an effective field theory formalism to compute the one-loop corrections resulting from non-standard model three and four…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Dawson , G. Valencia

The string one loop renormalization of the gauge coupling constants is examined in abelian orbifold models. The contributions to string threshold corrections independent of the compactification moduli fields are evaluated numerically for…

High Energy Physics - Theory · Physics 2008-11-26 M. Chemtob

We compute the one-loop correction to the probe D3-brane action in AdS5 x S5 expanded around the classical Drukker-Fiol solution ending on a circle at the boundary. It is given essentially by the logarithm of the one-loop partition function…

High Energy Physics - Theory · Physics 2014-07-02 E. I. Buchbinder , A. A. Tseytlin

The complete one-loop radiative corrections to third generation scalar fermions into gauge bosons Z and W^\pm is considered. We focus on \wt{f}_2 \to Z \wt{f}_1 and \wt{f}_i \to W^\pm \wt{f'}_j (f,f'=t,b). We include both SUSY-QCD, QED and…

High Energy Physics - Phenomenology · Physics 2011-03-23 Abdesslam Arhrib , Rachid Benbrik

We describe an implementation of a deconstructed gauge theory with charged fermions defined on an interval in five dimensional AdS space. The four dimensional slices are Minkowski, and the end slices support four dimensional chiral zero…

High Energy Physics - Lattice · Physics 2009-09-17 Tanmoy Bhattacharya , Rajan Gupta , Matthew R. Martin , Yuri Shirman , Csaba Csaki , John Terning

We propose a spin gauge field theory in which the curl of a Dirac fermion current density plays the role of the pseudovector charge density. In this field-theoretic model, spin interactions are mediated by a single scalar gauge boson in its…

High Energy Physics - Theory · Physics 2015-06-22 Ishita D. Choudhury , M. Cristina Diamantini , Giuseppe Guarnaccia , Amitabha Lahiri , Carlo A. Trugenberger

We present results for the one-loop correction to the energy of a class of string solutions in AdS_5 x S^5 in the short string limit. The computation is based on the observation that, as for rigid spinning string elliptic solutions, the…

High Energy Physics - Theory · Physics 2015-05-20 Matteo Beccaria , Guido Macorini , Alin Tirziu

We present the one-loop scalar field effective potential for the $N=2$ supersymmetric nonrelativistic self-interacting matter fields coupled to an Abelian Chern-Simons gauge field and for its generalization when bosonic matter fields are…

High Energy Physics - Theory · Physics 2007-05-23 D. Caenepeel , M. Leblanc

The logarithmic energy dependence of gauge couplings in AdS_5 emerges almost automatically when the theory is deconstructed on a coarse lattice. Here we study the theory away from the coarse-lattice limit. While we cannot analytically…

High Energy Physics - Theory · Physics 2008-11-26 Andrey Katz , Yael Shadmi

Power-like loop corrections to gauge couplings are a generic feature of higher-dimensional field theories. In supersymmetric grand unified theories in d=5 dimensions, such corrections arise only in the presence of a vacuum expectation value…

High Energy Physics - Theory · Physics 2009-02-20 A. Hebecker , A. Westphal

We test in a simplified 5-dimensional model with SU(3) gauge symmetry, the evolution equations of the gauge couplings of a model containing bulk fields, gauge fields and one pair of fermions. In this model we assume that the fermion doublet…

High Energy Physics - Theory · Physics 2017-04-05 Mohammed Omer Khojali , A. S. Cornell , Aldo Deandrea

We initiate the calculation of loop corrections to correlation functions in 4D defect CFTs. More precisely, we consider N=4 SYM with a codimension-one defect separating two regions of space, x_3>0 and x_3<0, where the gauge group is SU(N)…

High Energy Physics - Theory · Physics 2016-12-20 Isak Buhl-Mortensen , Marius de Leeuw , Asger C. Ipsen , Charlotte Kristjansen , Matthias Wilhelm

As part of program to quantize superstrings in AdS_5 x S^5 background in light cone approach we find the explicit form of the corresponding Green-Schwarz action in fermionic light-cone kappa-symmetry gauge. The resulting action is quadratic…

High Energy Physics - Theory · Physics 2009-09-17 R. R. Metsaev , A. A. Tseytlin

We revisit the computation of the 1-loop string correction to the "latitude" minimal surface in $AdS_5 \times S^5$ representing 1/4 BPS Wilson loop in planar $\cal N$=4 SYM theory previously addressed in arXiv:1512.00841 and…

High Energy Physics - Theory · Physics 2017-04-05 V. Forini , A. A. Tseytlin , E. Vescovi

In this paper we generalize the results of arXiv:0806.4758 to non-zero value J of angular momentum in S^5. We compute the 1-loop correction to the energy of the folded spinning string in AdS_5 x S^5 in the particular limit of slow short…

High Energy Physics - Theory · Physics 2008-10-23 M. Beccaria , A. Tirziu

We consider the physics of an extra $U(1)$ gauge boson $Z'$, which can mix with $Z$ through intermediate fermion loops. The loop contribution due to the heavy top quark significantly affects the low-energy observables, and for $m_{Z'}>m_Z$,…

High Energy Physics - Phenomenology · Physics 2009-10-28 Anirban Kundu