0000000001302722
AUTHOR
E. Vesin
Spectra and correlations of Λ andΛ¯produced in 340-GeV/cΣ−+Cand 260-GeV/cn+Cinteractions
We have measured the production of strange baryons and antibaryons in 340-GeV/c Sigma /sup -/+C and 260-GeV/c n+C interactions. The single x/sub F/ distributions show the expected leading particle effect, and the single p/sub t//sup 2/ distributions show a distinct nonthermal behavior. The x/sub F/ distributions of Lambda - Lambda pairs indicate two different phase space distributions for the two coincident baryons. On the other hand two Lambda 's show identical distributions. Momentum conservation during the formation process may represent a significant source for the observed behavior.
Search for the exoticΞ−−(1860)resonance in340GeV∕cΣ−-nucleus interactions
We report on a high statistics search for the ${\ensuremath{\Xi}}^{\ensuremath{-}\ensuremath{-}}(1860)$ resonance in ${\ensuremath{\Sigma}}^{\ensuremath{-}}$-nucleus collisions at $340\phantom{\rule{0.3em}{0ex}}\mathrm{GeV}∕c$. No evidence for this resonance is found in our data sample which contains 676000 ${\ensuremath{\Xi}}^{\ensuremath{-}}$ candidates above background. For the decay channel ${\ensuremath{\Xi}}^{\ensuremath{-}\ensuremath{-}}(1860)\ensuremath{\rightarrow}{\ensuremath{\Xi}}^{\ensuremath{-}}{\ensuremath{\pi}}^{\ensuremath{-}}$ and the kinematic range $0.15l{x}_{F}l0.9$ we find a $3\ensuremath{\sigma}$ upper limit for the production cross section of 3.1 and $3.5\phantom{\rul…
"Table 3" of "Spectra and correlations of Lambda and Lambda produced in 340-GeV/c Sigma -+C and 260-GeV/c n+C interactions"
Total inclusive LAMBDA LAMBDA and LAMBDABAR LAMBDABAR pair production crosssections for the SIGMA- beam on the Carbon target.
"Table 1" of "Spectra and correlations of Lambda and Lambda produced in 340-GeV/c Sigma -+C and 260-GeV/c n+C interactions"
Total inclusive LAMBDA and LAMBDABAR production cross sections for the SIGMA- beam on the Carbon target.
"Table 4" of "Spectra and correlations of Lambda and Lambda produced in 340-GeV/c Sigma -+C and 260-GeV/c n+C interactions"
Total inclusive LAMBDA LAMBDA pair production cross sections for the Neutron beam on the Carbon target.
"Table 2" of "Spectra and correlations of Lambda and Lambda produced in 340-GeV/c Sigma -+C and 260-GeV/c n+C interactions"
Total inclusive LAMBDA and LAMBDABAR production cross sections for the Neutron beam on the Carbon target.