Physics
Scientific paper
Apr 1959
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1959phrv..114..612o&link_type=abstract
Physical Review, vol. 114, Issue 2, pp. 612-620
Physics
1
Scientific paper
The production of strange particles possessing neutral-pion decay products has been investigated in proton bombardment of Bevatron targets. A well-collimated telescope counted energetic gamma photons originating within a few centimeters of the target. The position-dependent counting rate was determined by moving the telescope and collimation on a track parallel to the beam direction, and the resulting data were then compared to curves calculated from certain assumed kinematical models consistent with associated production. The counting rate and its variation with position were consistent with the identification of θ10-->2π0, which implies even spin and even parity. The data also allow some gamma-ray contributions from θ+-->π++π0, Σ+-->p+π0, and Λ0-->n+π0. The ratio of intensities from regions "upstream" to those "downstream" from the target implies a strongly peaked angular distribution, forward and backward, in the reference frame of the colliding nucleons which produce the θ10.
Moyer Burton J.
Osher John E.
Parker Sherwood I.
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