Mesonic Decay of an Ejected Triton

Details Mesonic Decay of an Ejected Triton Mesonic Decay of an Ejected Triton

Publishing date

Apr 1955

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1955phrv...98..153y&link_type=abstract

Journals

Physical Review, vol. 98, Issue 1, pp. 153-157

Science

Physics

Additional info 2

7

Type

Scientific paper

Abstract

A heavy fragment is ejected from a star of type 21+5p which decays at rest into three charged particles. Gap counts indicate that the ejected fragment is singly charged and heavier than a proton. The mass of the particle, as estimated by constant sagitta scattering along its range of 1330 microns, is 2.93+/-1.36 proton masses. All three secondary particles terminate their range, and one of them can be identified as a negative pi meson of 26.6+/-0.9 Mev kinetic energy. Two short recoil tracks, if assumed to be protons, have kinetic energies of 1.43+/-0.04 and 2.31+/-0.15 Mev, respectively. Momentum balance applied to several decay schemes suggest that the event probably represents H3*-->H1+H1+n0+π- +Q=31.5+/-1 Mev. The binding energy of the excited triton is found to be 5.4+/-1 Mev, less than that of the normal triton (8.48 Mev). The time of flight of the excited triton is 4.2×10-11 sec.

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