Calculated solar-neutrino capture rate for a radiochemical 205Tl-based solar-neutrino detector
Kostensalo, J., Suhonen, J., & Zuber, K. (2020). Calculated solar-neutrino capture rate for a radiochemical 205Tl-based solar-neutrino detector. Physical Review C, 101(3), Article 031302(R). https://doi.org/10.1103/PhysRevC.101.031302
Published inPhysical Review C
©2020 American Physical Society
Radiochemical experiments for low-energy solar-neutrino detection have been making headlines by exploiting the isotopes 37Cl and 71Ga. Such a very low-threshold measurement of this type can also be performed using 205Tl, which has been considered for decades for this purpose. A unique feature of this detector nucleus is the integration in the solar-neutrino flux over 106 of years owing to its long-living daughter 205Pb. In this Rapid Communication, we have calculated for the first time the cross section for the charged-current solar-neutrino scattering off 205Tl. Taking into account the solar-model-predicted neutrino fluxes and the electron-neutrino survival probabilities, a solar-neutrino capture rate of 62.2 ± 8.6 solar-neutrio units is determined, a value significantly smaller than in previous estimates.
PublisherAmerican Physical Society
Publication in research information system
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Related funder(s)Academy of Finland
Funding program(s)Academy Project, AoF
Additional information about fundingThis work has been partially supported by the Academy of Finland under Academy Project No. 318043. J.K. acknowledges financial support from the Jenny and Antti Wihuri Foundation.
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