The Q-value of the electron capture in 205Pb measured with transfer reactions

H. Lindner, H. Trieb, T. von Egidy, H. Hiller, J. Klora, U. Mayerhofer, A. Walter, A. H. Wapstra

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Abstract

In order to determine the Q-value between 205Pb and 205Tl, the Q-values of the reactions 205Tl(d, t)204Tl, 206Pb(d, t)205Pb and 205Tl(3He, d)206Pb have been measured and found to be -1288.7(6) keV, -1831.2(5) keV and 1761.7(14) keV, respectively. The energies of these reactions were calibrated with the 158Gd(d, t)157Gd, 172Yb(d, t)171Yb, 184W(d, t)183W and 187Re(3He, d)188Os reactions. The decay energy of 205Pb was deduced to be 51.3(6) keV. This value is relevant for solar neutrino measurements.

Original languageEnglish
Pages (from-to)217-222
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume297
Issue number1-2
DOIs
StatePublished - 15 Nov 1990

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