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Nuclear structure aspects of single and double beta decays for neutrino mass

✍ Scribed by K. Muto; R. Dvornický; F. Šimkovic

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
298 KB
Volume
64
Category
Article
ISSN
0146-6410

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✦ Synopsis

Single β-decay of 187 Re and double β-decay are discussed for probing absolute masses of neutrinos. It is shown that 187 Re decay is dominated by p-wave emission of the electron over s-wave. Double β-decay nuclear matrix elements relevant to the neutrino mass mechanism are discussed in the view point of nuclear structure and the underlying NN interaction.

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✍ H. Ejiri 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 279 KB

Neutrino-less double beta decays (0νββ) are used for high sensitivity studies of symmetry properties of neutrinos such as the Majorana nature of neutrinos, the absolute mass scale, the CP at the lepton sector, and others. Neutrino nuclear responses (0νββ nuclear matrix elements) are crucial for extr