Journal
PHYSICAL REVIEW C
Volume 86, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.86.044618
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- General Secretariat for Research and Technology of the Hellenic Ministry of Development [03EDelta807]
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Nuclear responses to energy spectra of supernova (SN) neutrinos are studied by folding original nu-nucleus cross sections calculated in the context of the quasiparticle random-phase approximation using realistic two-body forces. To this purpose, we employ two-parameter neutrino-energy distributions of Fermi-Dirac and power-law shapes for various SN neutrino scenarios. As concrete examples of promising neutrino detectors we have chosen the Zn-64,Zn-66 isotopes, contents of (i) the semiconductor CdZnTe (COBRA experiment) and (ii) the crystal scintillators ZnMoO4 and ZnWO4. These materials are quite advantageous for measuring double-beta-decay events and for potential use in studying current neutrino physics issues. We concentrate on the evaluation of folded differential cross sections, [d sigma(omega)/d omega](fold), and flux-averaged cumulative cross sections, [d sigma(omega)/d omega](foldc)(um), as well as total cross sections, , of the above Zn isotopes by adopting several realistic SN neutrino models parametrized by the neutrino temperature or the mean neutrino energy and the width of the aforementioned distributions.
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