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Related papers: Coherent Pions From Neutrino Scattering Off Nuclei

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We present a microscopic model for coherent pion production off nuclei induced by neutrinos. This model is built upon a model for single nucleon processes that goes beyond the usual Delta dominance by including non resonant background…

Nuclear Theory · Physics 2010-01-15 M. Valverde , J. E. Amaro , E. Hernandez , J. Nieves

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

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 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 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

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 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 calculate cross sections for coherent pion production in nuclei induced by neutrinos and antineutrinos of the electron and muon type. The analogies and differences between this process and the related ones of coherent pion production…

Nuclear Theory · Physics 2008-11-26 N. G. Kelkar , E. Oset , P. Fernandez de Cordoba

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 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

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

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 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 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

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 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

In this paper we present quantitative results for coherent pion production by neutrinos scattered off nuclei within the framework developed by Gounaris, Kartavtsev and Paschos. The method is based on PCAC and uses helicity cross sections…

High Energy Physics - Phenomenology · Physics 2009-09-02 E. A. Paschos , Dario Schalla

We use our model for neutrino pion production on the nucleon to study pion production on a nucleus. The model is conveniently modified to include in-medium corrections and its validity is extended up to 2 GeV neutrino energies by the…

High Energy Physics - Phenomenology · Physics 2013-04-10 E. Hernández , J. Nieves , M. J. Vicente-Vacas

We construct a model for the weak pion production off the nucleon, which in addition to the weak excitation of the $\Delta(1232)$ resonance and its subsequent decay into $N\pi$, it includes also some background terms required by chiral…

Nuclear Theory · Physics 2008-11-26 E. Hernandez , J. Nieves , M. Valverde

We develop a model for the weak pion production off the nucleon, which besides the Delta pole mechanism (weak excitation of the $\Delta(1232)$ resonance and its subsequent decay into $N\pi$), includes also some background terms required by…

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