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First measurement of the charged current ν ¯ μ double differential cross section on a water target without pions in the final state.

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  • T2K Collaboration
Article number012007
<mark>Journal publication date</mark>21/07/2020
<mark>Journal</mark>Physical Review D
Issue number1
Number of pages16
Publication StatusPublished
<mark>Original language</mark>English


This paper reports the first differential measurement of the charged-current ν¯μ interaction cross section on water with no pions in the final state. The unfolded flux-averaged measurement using the T2K off-axis near detector is given in double-differential bins of μ+ momentum and angle. The integrated cross section in a restricted phase space is σ=(1.11±0.18)×10-38 cm2 per water molecule. Comparisons with several nuclear models are also presented. © 2020 authors. Published by the American Physical Society.