Search for double beta decay of $^{48}$Ca in the TGV experiment
- Resource Type
- Authors
- N. I. Rukhadze; I. Stekl; V.V. Tsoupko-Sitnikov; V. G. Egorov; P. Čermák; Ch. Briançon; Ts. Vylov; A.V. Salamatin; V.E. Kovalenko; V. B. Brudanin; A. Kovalík
- Source
- Physics Letters B
Physics Letters B, Elsevier, 2000, 495, pp.63-68
- Subject
- Physics
Nuclear and High Energy Physics
Spectrometer
010308 nuclear & particles physics
chemistry.chemical_element
Germanium
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
01 natural sciences
law.invention
Telescope
Nuclear physics
chemistry
law
Double beta decay
0103 physical sciences
Sensitivity (control systems)
010306 general physics
- Language
- English
- ISSN
- 0370-2693
This Letter describes a collaborative TGV (Telescope Germanium Vertical) study of the double beta decay of 48Ca with a low-background and high sensitivity Ge multi-detector spectrometer. The results of T1/22νββ=(4.2+3.3−1.3)×1019 years and T1/20νββ>1.5×1021 years (90% CL) for double beta decay of 48Ca were found after processing experimental data obtained after 8700 hours of measuring time, using approximately 1 gramme of 48Ca. The features of a TGV-2 experiment are also presented.