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Rational Q-systems at Root of Unity I. Closed Chains
Jue Hou, Yunfeng Jiang, Yuan Miao
The solution of Bethe ansatz equations for XXZ spin chain with the parameter being a root of unity is infamously subtle. In this work, we develop the rational -system for th…
Linear power corrections to top quark pair production in hadron collisions
Sergei Makarov, Kirill Melnikov, Paolo Nason +1
We compute, in the framework of renormalon calculus, the corrections to the production of pairs in hadron collisions under the assumption that $q…
Linear power corrections to single top production processes at the LHC
Sergei Makarov, Kirill Melnikov, Paolo Nason +1
We discuss the linear power corrections to the electroweak production of top quarks at the LHC using renormalon calculus. We show how such non-perturbative corrections can be obtai…
Fits of using power corrections in the three-jet region
Paolo Nason, Giulia Zanderighi
In this work we study the impact of recent findings regarding non-perturbative corrections in the three-jet region to hadronic observables, by performing a simultaneous fi…