4.5 Article

Neutral-current supernova neutrino-nucleus scattering off 127I and 133Cs

Journal

PHYSICAL REVIEW C
Volume 106, Issue 2, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.106.025808

Keywords

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Funding

  1. Academy of Finland [318043]
  2. Academy of Finland (AKA) [318043, 318043] Funding Source: Academy of Finland (AKA)

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This paper calculates the scattering cross sections between neutral-current supernova neutrinos and various crystals, and folds the cross sections with a two-parameter Fermi-Dirac distribution of the supernova-neutrino spectrum. The nuclear-theory framework used is the microscopic quasiparticle-phonon model, which operates in large single-particle valence bases and utilizes G-matrix based two-nucleon interactions with a phenomenological renormalization.
A large number of the presently running neutrino and dark-matter experiments use thallium-doped cesium -iodide CsI[Tl] crystals, sodium-doped cesium-iodide CsI[Na] crystals, or thallium-doped sodium-iodide NaI[Tl] crystals. In the present paper we calculate elastic and inelastic cross sections for neutral-current supernova -neutrino scattering off( 127)I and Cs-133, relevant for experiments using CsI[Tl], CsI[Na], or NaI[Tl] crystals. We study also the cross sections folded with two-parameter Fermi-Dirac distributions of the supernova-neutrino spectrum. The adopted nuclear-theory framework is the microscopic quasiparticle-phonon model, able to operate in large single-particle valence bases and use G-matrix based two-nucleon interactions with a phenomenological renormalization.

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