Status of. beta beta. -decay experiments in the year of the Reines Fest

Conference · Wed Jun 01 04:00:00 EDT 1988

OSTI ID:6530833

Brodzinski, R L; Reeves, J H; Miley, H S

A brief update is given on a number of O..nu.. ..beta beta..-decay experiments. Progress is reported in background reduction, limits are given on the various modes of decay, and projections of potential sensitivity are made in some cases. A new result from the ITEP-Yerevan experiment yields a half-life T/sup 2..nu../(/sup 76/Ge) = (0.75/sub /minus/0.2//sup +0.5/) /times/ 10/sup 21/ y. A critique of this result is given. New PNL-USC experiments utilizing /approximately/200-cm/sup 3/ detectors fabricated from recently deep-mined Ge to decrease background cosmogenic radioactivity are in progress. 16 refs., 2 figs., 1 tab.

• Research Organization: Pacific Northwest Lab., Richland, WA (USA)
• DOE Contract Number: AC06-76RL01830
• OSTI ID: 6530833
• Report Number(s): PNL-SA-16639; CONF-8806204-9; ON: DE89006939
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BETA DECAY
BETA-MINUS DECAY
DECAY
DOUBLE BETA DECAY
ELEMENTARY PARTICLES
EVEN-EVEN NUCLEI
FERMIONS
GERMANIUM 76
GERMANIUM ISOTOPES
HALF-LIFE
INTERMEDIATE MASS NUCLEI
ISOTOPES
LEPTONS
MASSLESS PARTICLES
MOLYBDENUM 100
MOLYBDENUM ISOTOPES
NEODYMIUM 150
NEODYMIUM ISOTOPES
NEUTRINOS
NUCLEAR DECAY
NUCLEI
RARE EARTH NUCLEI
STABLE ISOTOPES
XENON 136
XENON ISOTOPES