A simulation study proposes COM variables for CC1π1p neutrino events that isolate final-state interactions from nuclear initial-state and flux effects.
First T2K measurement of transverse kinematic imbalance in the muon-neutrino charged-current single-$\pi^+$ production channel containing at least one proton
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abstract
This paper reports the first T2K measurement of the transverse kinematic imbalance in the single-$\pi^+$ production channel of neutrino interactions. We measure the differential cross sections in the muon-neutrino charged-current interaction on hydrocarbon with a single $\pi^+$ and at least one proton in the final state, at the ND280 off-axis near detector of the T2K experiment. The extracted cross sections are compared to the predictions from different neutrino-nucleus interaction event generators. Overall, the results show a preference for models which have a more realistic treatment of nuclear medium effects including the initial nuclear state and final-state interactions.
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Centre-of-momentum Variables in $\nu_\mu$CC1p1$\pi$
A simulation study proposes COM variables for CC1π1p neutrino events that isolate final-state interactions from nuclear initial-state and flux effects.