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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2006, Volume 83, Issue 1, Pages 7–11
(Mi jetpl1214)
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This article is cited in 4 scientific papers (total in 4 papers)
FIELDS, PARTICLES, AND NUCLEI
Observation of the neutron radiative decay
R. U. Khafizova, N. Severijnsbc, O. Zimmerb, H.-F. Wirthb, D. Richb, S. V. Tolokonnikova, V. A. Soloveid, M. R. Kolhidashvilid a RRC "Kurchatov Institute"
b Technische Universität München
c Katholieke Universiteit Leuven
d Petersburg Nuclear Physics Institute
Abstract:
The aim of this work is experimental observation and research of a rare neutron mode, the radiative beta-decay, where a new particle, the radiative gamma-quantum, is formed along with the expected decay products beta-electron, recoil proton and antineutrino. The discovery of this rare neutron decay mode was conducted through identification of triple coincidences events: simultaneous registration of beta electron, proton and radiative gamma-quantum. The ordinary neutron decay was registered by double coincidences of beta electron and recoil proton. The statistics collected allow one to deduce the branching ratio (BR) $\mathrm{BR}=(3.2\pm1.6)\cdot10^{-3}$ (90% C.L.) in the gamma energy region greater than 35 keV. This value of BR is consistent with standard electroweak theory.
Received: 31.10.2005 Revised: 25.11.2005
Citation:
R. U. Khafizov, N. Severijns, O. Zimmer, H.-F. Wirth, D. Rich, S. V. Tolokonnikov, V. A. Solovei, M. R. Kolhidashvili, “Observation of the neutron radiative decay”, Pis'ma v Zh. Èksper. Teoret. Fiz., 83:1 (2006), 7–11; JETP Letters, 83:1 (2006), 5–9
Linking options:
https://www.mathnet.ru/eng/jetpl1214 https://www.mathnet.ru/eng/jetpl/v83/i1/p7
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