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Phys. Rev. Lett. 93, 202501 (2004) [4 pages]

Supernova Inelastic Neutrino-Nucleus Cross Sections from High-Resolution Electron Scattering Experiments and Shell-Model Calculations

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K. Langanke1, G. Martínez-Pinedo2, P. von Neumann-Cosel3, and A. Richter3
1Institute for Physics and Astronomy, University of Århus, DK-8000 Århus C, Denmark
2ICREA and Institut d’Estudis Espacials de Catalunya, Edifici Nexus, Gran Capità 2, E-08034 Barcelona, Spain
3Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany

Received 2 February 2004; published 11 November 2004

Highly precise data on the magnetic dipole strength distributions from the Darmstadt electron linear accelerator for the nuclei 50Ti, 52Cr, and 54Fe are dominated by isovector Gamow-Teller-like contributions and can therefore be translated into inelastic total and differential neutral-current neutrino-nucleus cross sections at supernova neutrino energies. The results agree well with large-scale shell-model calculations, validating this model.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.202501
DOI:
10.1103/PhysRevLett.93.202501
PACS:
21.60.Cs, 25.30.Dh, 25.30.Pt, 27.40.+z