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Journal of High Energy Physics

, 2011:140

First Online: 30 September 2011Received: 29 March 2011Revised: 06 September 2011Accepted: 09 September 2011

Abstract

We consider the problem of reconstructing energies, momenta, and masses in collider events with missing energy, along with the complications introduced by combinatorial ambiguities and measurement errors. Typically, one reconstructs more than one value and we show how the wrong values may be correlated with the right ones. The problem has a natural formulation in terms of the theory of Riemann surfaces. We discuss examples including top quark decays in the Standard Model relevant for top quark mass measurements and tests of spin correlation, cascade decays in models of new physics containing dark matter candidates, decays of third-generation leptoquarks in composite models of electroweak symmetry breaking, and Higgs boson decay into two τ leptons.

KeywordsHadronic Colliders Beyond Standard Model ArXiv ePrint: 1103.3438

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Autor: Ben Gripaios - Kazuki Sakurai - Bryan Webber

Fuente: https://link.springer.com/







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