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Título: | Coherent pion production off nuclei at T2K and MiniBooNE energies revisited |
Autor: | Nieves, Juan Miguel CSIC ORCID ; Hernández, Eliecer; Valverde, M. | Fecha de publicación: | 14-oct-2010 | Editor: | American Physical Society | Citación: | Physical Review - Section D - Particles and Fields 82 (7): 077303 (2010) | Resumen: | As a result of a new improved fit to old bubble chamber data of the dominant axial C-5(A) nucleon-to-delta form factor, and due to the relevance of this form factor for neutrino induced coherent pion production, we reevaluate our model predictions in [Phys. Rev. D 79, 013002 ( 2009)] for different observables of the latter reaction. Central values for the total cross sections increase by 20%-30%, while differential cross sections do not change their shape appreciably. Furthermore, we also compute the uncertainties on total, differential, and flux-averaged cross sections induced by the errors in the determination of C-5(A). Our new results turn out to be compatible within about 1 sigma with the former ones. Finally, we stress the existing tension between the recent experimental determination of the sigma(CCcoh pi(+))/sigma(NCcoh pi(0)) ratio by the SciBooNE Collaboration and the theoretical predictions. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.82.077303 | URI: | http://hdl.handle.net/10261/28840 | DOI: | 10.1103/PhysRevD.82.077303 | ISSN: | 1550-7998 |
Aparece en las colecciones: | (IFIC) Artículos |
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coherent.pdf | 160,25 kB | Adobe PDF | Visualizar/Abrir |
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