6533b86ffe1ef96bd12cddd1
RESEARCH PRODUCT
Double beta-decay and su(4) symmetry
B. DesplanquesJ. NavarroJose BernabeuS. Noguerasubject
PhysicsParticle physicsAmplitudePhysics and Astronomy (miscellaneous)Double beta decayFísicaElementary particleField theory (psychology)Quantum field theoryEngineering (miscellaneous)Symmetry (physics)description
The amplitude for ββ decay with 2ν emission is shown to be related to (p,n) and (n,p) reactions on the initial and final states, respectively. The suppression of both ββ and (n,p) reaction is connected, and its origin is discussed by referring to theSU(4) symmetry. From present data on the first ones, we estimate the forward (n, p) strength of relevance for the ββ problem. The interest of the experimental determination of this strength is emphasized. Assuming a perturbative breaking of theSU(4) symmetry, results are given for76Ge,82Se,128Te and130Te.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1990-06-01 |