Automation of the matrix element reweighting method - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: Matrix element reweighting is a powerful experimental technique widelyemployed to maximize the amount of information that can be extracted from acollider data set. We present a procedure that allows to automatically evaluatethe weights for any process of interest in the standard model and beyond. Giventhe initial, intermediate and final state particles, and the transfer functionsfor the final physics objects, such as leptons, jets, missing transverseenergy, our algorithm creates a phase-space mapping designed to efficientlyperform the integration of the squared matrix element and the transferfunctions. The implementation builds up on MadGraph, it is completelyautomatized and publicly available. A few sample applications are presentedthat show the capabilities of the code and illustrate the possibilities for newstudies that such an approach opens up.



Author: P. Artoisenet, V. Lemaître, F. Maltoni, O. Mattelaer

Source: https://arxiv.org/







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