Colliding AdS gravitational shock waves in various dimensions and holography
AbstractThe formation of marginally trapped surfaces in the off-center collision of two shock waves on AdSD (with D = 4, 5, 6, 7 and 8) is studied numerically. We focus on the case when the two waves...
View ArticleMueller Navelet jets at LHC — complete next-to-leading BFKL calculation
AbstractWe calculate cross section and azimuthal decorrellation of Mueller Navelet jets at the LHC in the complete next-lo-leading order BFKL framework, i.e. including next-to-leading corrections to...
View ArticleColor-kinematics duality in multi-Regge kinematics and dimensional reduction
AbstractIn this note we study the applicability of the color-kinematics duality to the scattering of two distinguishable scalar matter particles with gluon emission in QCD, or graviton emission in...
View ArticleDouble-logarithms in Einstein-Hilbert gravity and supergravity
AbstractWe study the interplay between graviton reggeization and double-logarithmic in energy contributions to four-graviton scattering in theories with and without supersymmetry. Predictions to all...
View ArticleThe double copy structure of soft gravitons
AbstractThe subleading corrections to factorization theorems for soft bremsstrahlung in nonabelian gauge theories and gravity are investigated in the case of a five point amplitude with four scalars....
View ArticleSingle bottom quark production in k ⊥ -factorisation
AbstractWe present a study within the kT-factorisation scheme on single bottom quark production at the LHC. In particular, we calculate the rapidity and transverse momentum differential distributions...
View ArticleThe effect of the infrared phase of the discrete BFKL pomeron on transverse...
AbstractImposing infrared boundary conditions on the BFKL equation with running coupling transforms the complex momentum ω-plane cut present in the gluon Green function into an infinite series of...
View ArticlePlanar zeros in gauge theories and gravity
AbstractPlanar zeros are studied in the context of the five-point scattering amplitude for gauge bosons and gravitons. In the case of gauge theories, it is found that planar zeros are determined by an...
View ArticleProjectivity of planar zeros in field and string theory amplitudes
AbstractWe study the projective properties of planar zeros of tree-level scattering amplitudes in various theories. Whereas for pure scalar field theories we find that the planar zeros of the...
View ArticleSudakov representation of the Cachazo-He-Yuan scattering equations formalism
AbstractWe show that the use of Sudakov variables greatly simplifies the study of the solutions to the scattering equations in the Cachazo-He-Yuan formalism. We work in the center-of-mass frame for the...
View ArticleOpen spin chains and complexity in the high energy limit
AbstractIn the high energy limit of scattering amplitudes in Quantum Chromodynamics and supersymmetric theories the dominant Feynman diagrams are characterized by a hidden integrability in the planar...
View ArticleDouble-logarithms in N $$ \mathcal{N} $$ = 8 supergravity: impact parameter...
AbstractThe set of double-logarithmic (DL) contributions (α t ln2s)n to the 4-graviton amplitude in \( \mathcal{N} \) = 8 supergravity (SUGRA), with α being the gravitational coupling and (s, t) the...
View ArticleDouble logarithms in N$$ \mathcal{N} $$ ≥ 4 supergravity: weak gravity and...
AbstractA study of the double logarithmic in the center-of-mass energy, s, contributions to the four-graviton scattering amplitude is presented for four-dimensional \( \mathcal{N} \)≥ 4 supergravities....
View ArticleAn effective field theory approach for electroweak interactions in the high...
AbstractWe present an effective action for the electroweak sector of the standard model valid for the calculation of scattering amplitudes in the high energy (Regge) limit. Gauge invariant Wilson lines...
View ArticleHunting BFKL in semi-hard reactions at the LHC
AbstractThe agreement between calculations inspired by the resummation of energy logarithms, known as BFKL approach, and experimental data in the semi-hard sector of QCD has become manifest after a...
View ArticleOn the conformal spin dependence of the perturbative QCD vacuum singularity
AbstractWe study the four-gluon scattering amplitude in the high energy limit of QCD written in terms of its conformal expansion. We highlight the need to include both even and odd conformal spin...
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