RESULTS OF A SEARCH FOR DOUBLE POSITRON DECAY AND ELECTRON-POSITRON CONVERSION OF KR-78

Citation
C. Saenz et al., RESULTS OF A SEARCH FOR DOUBLE POSITRON DECAY AND ELECTRON-POSITRON CONVERSION OF KR-78, Physical review. C. Nuclear physics, 50(2), 1994, pp. 1170-1174
Citations number
20
Categorie Soggetti
Physics, Nuclear
ISSN journal
05562813
Volume
50
Issue
2
Year of publication
1994
Pages
1170 - 1174
Database
ISI
SICI code
0556-2813(1994)50:2<1170:ROASFD>2.0.ZU;2-8
Abstract
The results of a search for the 2beta+ and Kbeta+ decay modes of Kr-78 , in a coincidence experiment using a high pressure ionization chamber of enriched Kr-78 inside an array of sodium iodine scintillators, are presented. After 4434 h of counting time, the half-life lower limits obtained are T1/2(Kbeta+)0nu greater-than-or-equal-to 5.1 X 10(21) yr and T1/2(2beta+)0nu+2mu greater-than-or-equal-to 2.0 X 10(21) yr at 68 % C.L.