Double β decays of $^{100} Mo$ and $^{150} Nd$

Publisher Website

1 November 1997

journal article
research article
Published by American Physical Society (APS) in Physical Review C

Vol. 56 (5) , 2451-2467
https://doi.org/10.1103/physrevc.56.2451

Abstract

The double β decays of

^{100} Mo

and

^{150} Nd

were studied in a time projection chamber located 72 m underground. A 3275-h exposure of a 16.7-g sample of metallic Mo enriched to 97.4% in

^{100} Mo

resulted in a two-neutrino half-life,

T_{1 / 2}^{2 ν} {= (6.82}_{- 0.53}^{+ 0.38} \pm 0.68) \times 10^{18} y .

Similarly, a 6287-h exposure of 15.5 g of

{Nd}_{2} O_{3}

enriched to 91% in

^{150} Nd

yielded

T_{1 / 2}^{2 ν} {= (6.75}_{- 0.42}^{+ 0.37} \pm 0.68) \times 10^{18} y .

Lower limits on half-lives for neutrinoless decay with and without majoron emission also have been measured.

Keywords

All Related Versions

Version 1, 1997-06-12, ArXiv

This publication has 29 references indexed in Scilit:

Multi-majoron modes for neutrinoless double-beta decay
Nuclear Physics B, 1995
Double Beta Decay
Annual Review of Nuclear and Particle Science, 1994
New class of Majoron-emitting double- $β$ decays
Physical Review D, 1994
Tracking electrons from double beta decay — How far can you push the TPC?
Progress in Particle and Nuclear Physics, 1994
THE STATUS OF TWO-NEUTRINO AND NEUTRINOLESS DOUBLE BETA DECAY SEARCHES
International Journal of Modern Physics E, 1993
Majorons without majorana masses and neutrinoless double beta decay
Physics Letters B, 1993
Observable majoron emission in neutrinoless double beta decay
Physics Letters B, 1992
A time projection chamber for detection of double beta decay
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1988
The 1983 atomic mass evaluation
Nuclear Physics A, 1985
Conversion coefficients and particle parameters in 207Pb
Nuclear Physics A, 1967