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Pis'ma v Zh. Èksper. Teoret. Fiz., 2002, Volume 76, Issue 7, Pages 483–487 (Mi jetpl2937)  

FIELDS, PARTICLES, AND NUCLEI

Search for the neutrino radiative decay with the prototype of the Borexino detector

A. V. Derbina, O. Yu. Smirnovb

a B. P. Konstantinov Petersburg Nuclear Physics Institute, Russian Academy of Sciences
b Joint Institute for Nuclear Research, Dubna, Moskovskaya obl.

Abstract: Results of background measurements with the prototype of the Borexino detector have been used to obtain bounds on the lifetime of the radiative neutrino decay $\nu _{H}\to \nu_{L}+\gamma$. The new lower limit for the lifetime of $pp$ and $^{7}$Be neutrinos is $\tau _{c.m.}(\nu _{H}\to \nu _{L}+\gamma )/m_{\nu }\geq 4.2\cdot 10^{3} s\cdot eV^{-1}$ ($\alpha=0$). It is more than one order of magnitude stronger than obtained in previous experiments using nuclear reactors and accelerators.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2002, 76:7, 409–413

Document Type: Article
PACS: 13.15.+g, 14.60.Pq
Received: 16.07.2002
Revised: 22.08.2002
Language: English

Citation: A. V. Derbin, O. Yu. Smirnov, “Search for the neutrino radiative decay with the prototype of the Borexino detector”, Pis'ma v Zh. Èksper. Teoret. Fiz., 76:7 (2002), 483–487; JETP Letters, 76:7 (2002), 409–413

Citation in format AMSBIB
\Bibitem{DerSmi02}
\by A.~V.~Derbin, O.~Yu.~Smirnov
\paper Search for the neutrino radiative decay with the prototype of the Borexino detector
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2002
\vol 76
\issue 7
\pages 483--487
\mathnet{http://mi.mathnet.ru/jetpl2937}
\transl
\jour JETP Letters
\yr 2002
\vol 76
\issue 7
\pages 409--413
\crossref{https://doi.org/10.1134/1.1528691}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-0038891594}


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