Test of time-reversal symmetry in the decay of Ne19

A. L. Hallin, F. P. Calaprice, D. W. MacArthur, L. E. Piilonen, M. B. Schneider, D. F. Schreiber

Research output: Contribution to journalArticlepeer-review

69 Scopus citations


With a new detection method, the upper limit on the time-reversal- noninvariant triple angular correlation J(pe×p)EeE in the nuclear decay Ne19 F19 + e++ has been reduced. Polarized Ne19 atoms from an atomic beam are captured in a holding cell, where the decay positrons and recoil ions are observed. The new value for the asymmetry parameter for this correlation is D=0.0040.0008, which is consistent with time-reversal symmetry.

Original languageEnglish (US)
Pages (from-to)337-340
Number of pages4
JournalPhysical review letters
Issue number5
StatePublished - 1984

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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