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Electron- and neutrino-nucleus scattering in the impulse approximation regime

Benhar, Omar and Farina, Nicola and Nakamura, Hiroki and Sakuda, Makoto and Seki, Ryoichi (2005) Electron- and neutrino-nucleus scattering in the impulse approximation regime. Physical Review D, 72 (5). Art. No. 053005. ISSN 2470-0010.

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A quantitative understanding of the weak nuclear response is a prerequisite for the analyses of neutrino experiments such as K2K and MiniBOONE, which measure energy and angle of the muons produced in neutrino-nucleus interactions in the energy range 0.5–3 GeV and reconstruct the incident neutrino energy to determine neutrino oscillations. In this paper we discuss theoretical calculations of electron- and neutrino-nucleus scattering, carried out within the impulse approximation scheme using realistic nuclear spectral functions. Comparison between electron scattering data and the calculated inclusive cross section of oxygen, at beam energies ranging between 700 and 1200 MeV, show that the Fermi gas model, widely used in the analysis of neutrino oscillation experiments, fails to provide a satisfactory description of the measured cross sections, and inclusion of nuclear dynamics is needed.

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Additional Information:© 2005 The American Physical Society (Received 13 June 2005; published 9 September 2005) This work is supported by the U.S. Department of Energy under Grant No. DE-FG03-87ER40347 at CSUN and by the U.S. National Science Foundation under Grant No. 0244899 at Caltech. One of the authors (O. B.) is deeply indebted to Vijay Pandharipande and Ingo Sick for a number of illuminating discussions on issues relevant to the subject of this work. Thanks are also due to Steven Pieper for providing Monte Carlo configurations sampled from the oxygen ground state wave function of Ref. [42], as well as tables of the medium modified NN cross sections.
Issue or Number:5
Record Number:CaltechAUTHORS:BENprd05
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2081
Deposited By: Archive Administrator
Deposited On:06 Mar 2006
Last Modified:02 Oct 2019 22:49

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