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Related papers: Coherent Neutrino Scattering

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We describe a model for pion production off nucleons and coherent pions from nuclei induced by neutrinos in the 1 GeV energy regime. Besides the dominant Delta pole contribution, it takes into account the effect of background terms required…

Nuclear Theory · Physics 2017-08-23 M. Valverde , J. E. Amaro , E. Hernandez , J. Nieves , M. J. Vicente Vacas

We study coherent pion production in neutrino-nucleus scattering in the energy region relevant to neutrino oscillation experiments of current interest. Our approach is based on a combined use of the Sato-Lee model of electroweak pion…

Nuclear Theory · Physics 2010-04-14 S. X. Nakamura , T. Sato , T. -S. H. Lee , B. Szczerbinska , K. Kubodera

We have developed a model for neutrino-induced coherent pion production off nuclei in the energy regime of interest for present and forthcoming neutrino oscillation experiments. It is based on a microscopic model for pion production off the…

High Energy Physics - Phenomenology · Physics 2009-01-16 J. E. Amaro , E. Hernández , J. Nieves , M. Valverde

We present a microscopic model for neutrino induced one-pion production off the nucleon and its implementation for the purpose of calculating coherent pion production in nuclei. We further criticize the use of the Rein--Sehgal model for…

High Energy Physics - Phenomenology · Physics 2009-12-07 J. E. Amaro , E. Hernández , J. Nieves , M. Valverde , M. J. Vicente-Vacas

We have investigated the neutrino induced coherent pion production reaction at low and intermediate energies including pion, nucleon and Delta(1232) resonance. Medium effects in the production mechanism and the distortion of the pion wave…

Nuclear Theory · Physics 2007-09-06 L. Alvarez-Ruso , L. S. Geng , S. Hirenzaki , M. J. Vicente Vacas

We investigate the neutrino induced coherent pion production reaction at low and intermediate energies. The model includes pion, nucleon and Delta(1232) resonance as the relevant hadronic degrees of freedom. Nuclear medium effects on the…

Nuclear Theory · Physics 2014-11-18 L. Alvarez-Ruso , L. S. Geng , M. J. Vicente Vacas

We study coherent pion production in neutrino-nucleus scattering in the energy region relevant to the recent neutrino oscillation experiments. Our approach is based on the combined use of the Sato-Lee model and the Delta-hole model. Our…

Nuclear Theory · Physics 2009-01-29 S. X. Nakamura , T. Sato , T. -S. H. Lee , B. Szczerbinska , K. Kubodera

The coherent pion production induced by neutrinos in nuclei is studied using a delta hole model in local density approximation taking into account the renormalization of $\Delta$ properties in a nuclear medium. The pion absorption effects…

Nuclear Theory · Physics 2009-11-11 S. K. Singh , M. Sajjad Athar , Shakeb Ahmad

We study one pion production in both charged and neutral current neutrino nucleus scattering for neutrino energies below 2 GeV. We use a theoretical model for one pion production at the nucleon level that we correct for medium effects. The…

High Energy Physics - Phenomenology · Physics 2013-09-11 E. Hernández , J. Nieves , M. J. Vicente Vacas

We have investigated the neutrino induced coherent pion production reaction at the energies of interest for recent experiments like K2K and MiniBooNE. The model includes pion, nucleon and the Delta(1232) resonance. Medium effects in the…

Nuclear Theory · Physics 2011-02-09 L. Alvarez-Ruso , L. S. Geng , S. Hirenzaki , M. J. Vicente Vacas , T. Leitner , U. Mosel

All available theoretical estimates of neutrino-induced coherent pion production rely on the 'local approximation' for the Delta propagator. The validity of this approximation is scrutinized. It is found that the local approximation…

Nuclear Theory · Physics 2009-12-07 T. Leitner , U. Mosel , S. Winkelmann

We have developed a dynamical model for a unified description of the pion-nucleus scattering and photo- and neutrino-induced coherent pion production on nuclei. Our approach is based on a combined use of the Sato-Lee model for the…

Nuclear Theory · Physics 2009-12-07 S. X. Nakamura , T. Sato , T. -S. H. Lee , B. Szczerbinska , K. Kubodera

We review the Rein--Sehgal model and criticize its use for low energy neutrino induced coherent pion production. We have studied the validity of the main approximations implicit in that model, trying to compare with physical observables…

High Energy Physics - Phenomenology · Physics 2009-09-02 E. Hernández , J. Nieves , M. J. Vicente-Vacas

We discuss different parameterizations of the $C_5^A(q^2)$ $N\Delta$ axial form factor, fitted to the old Argonne bubble chamber data for pion production by neutrinos, and we use coherent pion production to test their low $q^2$ behavior. We…

High Energy Physics - Phenomenology · Physics 2010-05-07 E. Hernández , J. Nieves , M. Valverde , M. J. Vicente-Vacas

We summarise here the main differences of three models of neutrino-induced coherent pion production, namely the Rein-Sehgal and Berger-Sehgal models based on the Partially Conserved Axial Current theorem and the Alvarez-Ruso \textit{et al.}…

High Energy Physics - Experiment · Physics 2016-05-04 Paul Martins

We investigate neutrino induced one pion production on nucleons. The elementary neutrino--nucleon cross section is calculated as the sum of the leading Delta pole diagram and several background diagrams obtained within the non-linear sigma…

High Energy Physics - Phenomenology · Physics 2010-11-11 Olga Lalakulich , Tina Leitner , Oliver Buss , Ulrich Mosel

The neutrino pion production off the nucleon is traditionally described in the literature by means of the weak excitation of the Delta(1232) resonance and its subsequent decay into N pi. Here, we present results from a model that includes…

High Energy Physics - Experiment · Physics 2008-11-26 E. Hernandez , J. Nieves , M. Valverde

In this talk I review the main features of the coherent/diffractive pion production by neutrinos on nuclei. The method is based on PCAC and relates the reaction $\textbf{boson} + \textbf{nucleus} \to \textbf{pion} + \textbf{nucleus}$ to…

High Energy Physics - Phenomenology · Physics 2015-05-14 E. A. Paschos , Dario Schalla

Charged-current single pion production in scattering off 12C is investigated for neutrino energies up to 1 GeV. An impact of nuclear effects with in-medium modifications of the Delta(1232) resonance properties as well as an effective field…

Nuclear Theory · Physics 2016-11-28 Jan T. Sobczyk. , Jakub Żmuda

We study neutrino induced one-pion production off the nucleon in and around the Delta resonance region. Apart from the Delta-pole mechanism we include background terms required by chiral symmetry. These background terms give sizeable…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Hernandez , J. Nieves , M. Valverde
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