1 code implementation • 26 Feb 2021 • S. Abreu, F. Febres Cordero, H. Ita, B. Page, V. Sotnikov
We present the complete set of leading-color two-loop contributions required to obtain next-to-next-to-leading-order (NNLO) QCD corrections to three-jet production at hadron colliders.
High Energy Physics - Phenomenology
1 code implementation • 24 Sep 2020 • S. Abreu, J. Dormans, F. Febres Cordero, H. Ita, M. Kraus, B. Page, E. Pascual, M. S. Ruf, V. Sotnikov
Caravel is composed of modules for the $D$-dimensional decomposition of integrands of scattering amplitudes into master and surface terms, the computation of tree-level amplitudes in floating point or finite-field arithmetic, the numerical computation of one- and two-loop amplitudes in QCD and Einstein gravity, and functional reconstruction tools.
High Energy Physics - Phenomenology High Energy Physics - Theory
no code implementations • 27 Feb 2020 • S. Abreu, F. Febres Cordero, H. Ita, M. Jaquier, B. Page, M. S. Ruf, V. Sotnikov
We present the analytic form of the two-loop four-graviton scattering amplitudes in Einstein gravity.
High Energy Physics - Theory General Relativity and Quantum Cosmology High Energy Physics - Phenomenology
no code implementations • 1 Apr 2019 • S. Abreu, J. Dormans, F. Febres Cordero, H. Ita, B. Page, V. Sotnikov
We present the analytic form of all leading-color two-loop five-parton helicity amplitudes in QCD.
High Energy Physics - Phenomenology High Energy Physics - Theory
no code implementations • 11 Dec 2018 • S. Abreu, J. Dormans, F. Febres Cordero, H. Ita, B. Page
We present the analytic form of the two-loop five-gluon scattering amplitudes in QCD for a complete set of independent helicity configurations of external gluons.
High Energy Physics - Phenomenology High Energy Physics - Theory
no code implementations • 24 Sep 2018 • S. Abreu, F. Febres Cordero, H. Ita, B. Page, V. Sotnikov
We compute a complete set of independent leading-color two-loop five-parton amplitudes in QCD.
High Energy Physics - Phenomenology High Energy Physics - Theory
no code implementations • 15 Mar 2017 • S. Abreu, F. Febres Cordero, H. Ita, M. Jaquier, B. Page, M. Zeng
We present the first numerical computation of two-loop amplitudes based on the unitarity method.
High Energy Physics - Phenomenology High Energy Physics - Theory
no code implementations • 15 Mar 2017 • S. Abreu, F. Febres Cordero, H. Ita, M. Jaquier, B. Page
In general, it is not known how these contributions can be directly expressed in terms of a product of on-shell tree amplitudes.
High Energy Physics - Phenomenology High Energy Physics - Theory
1 code implementation • 28 Mar 2008 • C. F. Berger, Z. Bern, L. J. Dixon, F. Febres Cordero, D. Forde, H. Ita, D. A. Kosower, D. Maitre
We present the first results from BlackHat, an automated C++ program for calculating one-loop amplitudes.
High Energy Physics - Phenomenology
