Abstract
An analysis of the production ofK 0 S K 0 S andK ± K 0 s π ∓ by two quasi-real photons is presented. The cross section forγγ→K 0 \(\overline {K^0 } \), which is given for the γγ invariant mass range fromK \(\bar K\) threshold to 2.5 GeV, is dominated by thef′(1525) resonance and an enhancement near theK \(\bar K\) threshold. Upper limits on the product of the two-photon width times the branching ratio intoK \(\bar K\) pairs are given forΘ(1700),h(2030), and ξ(2220). For exclusive two-photon production ofK ± K 0 s π ∓ no significant signal was observed. Upper limits are given on the cross section ofγγ→K + \(\overline {K^0 } \) π − orK − K 0 π + between 1.4 and 3.2 GeV and on the product of the γγ width times the branching ratio into theK \(\bar K\) π final states for theη c (2980) and the ι(1440), yieldingΓ(γγ)→i(1440))·BR(i(1440)→K \(\bar K\) π<2.2 keV at 95% C.L.
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Supported by the Bundesministerium für Forschung und Technologie
Supported by the UK Science and Engineering Research Council
Supported by the Minerva Gesellschaft für Forschung mbH
Supported by the US Department of Energy, contract DE-AC02-76ER00881 and by the US National Science Foundation Grant Number INT-8313994 for travel
Supported by CAICYT
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TASSO Collaboration., Althoff, M., Braunschweig, W. et al. Search for two-photon production of resonances decaying intoK \(\bar K\) andK \(\bar K\) π . Z. Phys. C - Particles and Fields 29, 189–196 (1985). https://doi.org/10.1007/BF01550816
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DOI: https://doi.org/10.1007/BF01550816