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 the Alvarez-Ruso et al. models

Measurement of Coherent π+ Production in Low Energy Neutrino-Carbon Scattering / Abe, K., Andreopoulos, C., Antonova, M., Aoki, S., Ariga, A., Assylbekov, S., Autiero, D., Ban, S., Barbi, M., Barker, G.J., Barr, G., Bartet Friburg, P., Batkiewicz, M., Bay, F., Berardi, V., Berkman, S., Bhadra, S., Blondel, A., Bolognesi, S., Bordoni, S., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 117:19(2016), p. 192501. [10.1103/PhysRevLett.117.192501]

Measurement of Coherent π+ Production in Low Energy Neutrino-Carbon Scattering

DE ROSA, GIANFRANCA;PALLADINO, VITTORIO;Riccio, Ciro;
2016

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 the Alvarez-Ruso et al. models
2016
Measurement of Coherent π+ Production in Low Energy Neutrino-Carbon Scattering / Abe, K., Andreopoulos, C., Antonova, M., Aoki, S., Ariga, A., Assylbekov, S., Autiero, D., Ban, S., Barbi, M., Barker, G.J., Barr, G., Bartet Friburg, P., Batkiewicz, M., Bay, F., Berardi, V., Berkman, S., Bhadra, S., Blondel, A., Bolognesi, S., Bordoni, S., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 117:19(2016), p. 192501. [10.1103/PhysRevLett.117.192501]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/656335
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