β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry

Details β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry

Mar 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998phrvl..80.2085w&link_type=abstract

Physical Review Letters, Volume 80, Issue 10, March 9, 1998, pp.2085-2088

Astronomy and Astrophysics

Astrophysics

12

Scientific paper

The weak β+ decay of the astrophysically significant radioisotope 54Mn has been observed. The energies of positrons from a chemically purified 54Mn source were measured using the APEX spectrometer at Argonne National Laboratory. We deduce a β+ decay branch of \(1.20+/-0.26\)×10-9, corresponding to a partial half-life of \(7.1+/-1.5\)×108 yr. The implications of this value for cosmic-ray confinement times are discussed in light of recent satellite measurements of the cosmic-ray abundance of 54Mn.

Affiliated with

Also associated with

No associations

Rating

β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-932897