Exclusive final state hadron observables from neutrino-nucleus multi-nucleon knockout

Abstract

We present results of an updated calculation of the 2p2h (two particle two hole) contribution to the neutrino-induced charge-current cross section. We provide also some exclusive observables, interesting from the point of view of experimental studies, e.g. distributions of momenta of the outgoing nucleons and of available energy, which we compare with the results obtained within the NEUT generator. We also compute, and separate from the total, the contributions of 3p3h mechanisms. Finally, we discuss the differences between the present results and previous implementations of the model in MC event-generators, done at the level of inclusive cross sections, which might significantly influence the experimental analyses, particularly in the cases where the hadronic observables are considered.

arXiv comment15 pages, 9 figures

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• Semiempirical formula for electroweak response functions in the two-nucleon emission channel in neutrino-nucleus scattering
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• Exclusive Hadron Observables in Neutrino Induced $2p2h$ Multinucleon Knockout