Measurement of Coherent π+ Production in Low Energy Neutrino-Carbon Scattering. / The T2K Collaboration.

In: Physical Review Letters, Vol. 117, No. 19, 192501 , 04.11.2016, p. 1-7.

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Abstract

We report the first measurement of the flux-averaged cross section for charged current coherent π+ production on carbon for neutrino energies less than 1.5 GeV, and with a restriction on the final state phase space volume in the T2K near detector, ND280. Comparisons are made with predictions from the Rein-Sehgal coherent production model and the model by Alvarez-Ruso et al., the latter representing the first implementation of an instance of the new class of microscopic coherent models in a neutrino interaction Monte Carlo event generator. We observe a clear event excess above background, disagreeing with the null results reported by K2K and SciBooNE in a similar neutrino energy region. The measured flux-averaged cross sections are below those predicted by both the Rein-Sehgal and Alvarez-Ruso et al. models.
Original languageEnglish
Article number192501
Pages (from-to)1-7
Number of pages7
JournalPhysical Review Letters
Volume117
Issue number19
DOIs
Publication statusPublished - 4 Nov 2016
This open access research output is licenced under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

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