Precision Measurement of Ce–Pr Beta Spectrum by Means of Semiconductor Spectrometer

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Abstract

Precise measurement of beta spectra was always of great importance in some fundamental problems, including those of neutrino physics. The results obtained by measuring the spectrum of a Ce–Pr source with setups of two types to a precision substantially improved in relation to earlier investigations are presented. The correctness of a theoretical fit is tested using the shape of the Pr (0)Nd (1) allowed beta transition.

About the authors

S. V. Bakhlanov

Konstantinov Petersburg Nuclear Physics Institute, National Research Center ‘‘Kurchatov Institute’

Email: drachnev_is@pnpi.nrcki.ru
Gatchina, Russia

A. V. Derbin

Konstantinov Petersburg Nuclear Physics Institute, National Research Center ‘‘Kurchatov Institute’

Email: drachnev_is@pnpi.nrcki.ru
Gatchina, Russia

I. S. Drachnev

Konstantinov Petersburg Nuclear Physics Institute, National Research Center ‘‘Kurchatov Institute’

Email: drachnev_is@pnpi.nrcki.ru
Gatchina, Russia

I. S. Lomskay

Konstantinov Petersburg Nuclear Physics Institute, National Research Center ‘‘Kurchatov Institute’

Email: drachnev_is@pnpi.nrcki.ru
Gatchina, Russia

I. M. Kotina

Konstantinov Petersburg Nuclear Physics Institute, National Research Center ‘‘Kurchatov Institute’

Email: drachnev_is@pnpi.nrcki.ru
Gatchina, Russia

V. N. Muratov

Konstantinov Petersburg Nuclear Physics Institute, National Research Center ‘‘Kurchatov Institute’

Email: drachnev_is@pnpi.nrcki.ru
Gatchina, Russia

N. V. Niyazova

Konstantinov Petersburg Nuclear Physics Institute, National Research Center Kurchatov Institute

Email: nikolay.bazlov@gmail.com
Russian Federation, Gatchina, Russia

M. V. Trushin

Konstantinov Petersburg Nuclear Physics Institute, National Research Center ‘‘Kurchatov Institute’’

Email: drachnev_is@pnpi.nrcki.ru
Gatchina, Russia

E. A. Chmel’

Konstantinov Petersburg Nuclear Physics Institute, National Research Center ‘‘Kurchatov Institute’’

Author for correspondence.
Email: drachnev_is@pnpi.nrcki.ru
Gatchina, Russia

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