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Why Local Search Excels in Expression Simplification
Ben Ruijl, Aske Plaat, Jos Vermaseren +1
Simplifying expressions is important to make numerical integration of large expressions from High Energy Physics tractable. To this end, Horner's method can be used. Finding suitab…
The Three-Loop Splitting Functions in QCD: The Helicity-Dependent Case
S. Moch, J. A. M. Vermaseren, A. Vogt
We present the next-to-next-to-leading order (NNLO) contributions to the main splitting functions for the evolution of longitudinally polarized parton densities of hadrons in pertu…
Performance analysis of a 240 thread tournament level MCTS Go program on the Intel Xeon Phi
S. Ali Mirsoleimani, Aske Plaat, Jos Vermaseren +1
In 2013 Intel introduced the Xeon Phi, a new parallel co-processor board. The Xeon Phi is a cache-coherent many-core shared memory architecture claiming CPU-like versatility, progr…
HEPGAME and the Simplification of Expressions
Ben Ruijl, Jos Vermaseren, Aske Plaat +1
Advances in high energy physics have created the need to increase computational capacity. Project HEPGAME was composed to address this challenge. One of the issues is that numerica…
A calculation of the three-loop helicity-dependent splitting functions in QCD
A. Vogt, S. Moch, J. A. M. Vermaseren
We have calculated the complete matrix of three-loop helicity-difference (`polarized') splitting functions Delta P_ik^(2), i,k = q,g, in massless perturbative QCD. In this note we…
Full electroweak radiative corrections to and productions at ILC with GRACE-Loop
P. H. Khiem, Y. Kurihara, J. Fujimoto +10
The full electroweak radiative corrections to and productions at the International Linear Collider (ILC) are presented in this paper. The c…