Exclusive Diffractive Dissociation of K(l) Mesons at High Energies
Using the hadronic component of the Fermilab broad band neutral beam, we have observed diffractive dissociation of K(,L) mesons with a carbon target into the exclusive final states Ks (pi)('+)(pi)('-), K*(890)('(+OR-)) (pi)('(-OR+)), Ks (rho)('0), Ks (omega)('0), and Ks (phi), but not Ks (psi). The diffractive production cross section for these states is not strongly dependent on incident energy varying at most by 30 percent between 75 and 150 Gev. The shapes of the mass distributions do not change appreciably as a function of lab energy. The ratio of the diffractive mass threshold production of K*(890)('(+OR-))(pi)('(-OR+)), Ks (rho)('0), Ks (omega)('0) and Ks (phi) is compared with results of two other experiments at lower lab energies with charged kaon beams on a hydrogen target.
Physics, Elementary Particles and High Energy
University of Illinois - Urbana-Champaign
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University of Illinois at Urbana-Champaign