Tensor Meson Excitation in the Reaction $\gamma \gamma \to K^0_S K^0_S$

) is measured to be 0.10−0.03−0.02+0.04+0.03 keV independent of ana priori assumption on the helicity structure. Our data are consistent with a pure helicity 2 contribution and we derive an upper limit for the ratioΓγγ(0)/Γγγ. The absence of events in the mass region around 1.3 GeV clearly proves destructivef2−a2 interference and allows to measure the relative phases betweenf2,a2 andf2′. Upper limits on the production of the glueball candidate statesf2(1720) andX(2230) as well as theKS0KS0-continuum are given.

ELECTRON POSITRON: INELASTIC SCATTERING
INELASTIC SCATTERING: ELECTRON POSITRON
EXCHANGE: TWO-PHOTON
TWO-PHOTON: EXCHANGE
PHOTON PHOTON: EXCLUSIVE REACTION
K0(S): PAIR PRODUCTION
PAIR PRODUCTION: K0(S)
TENSOR MESON: ELECTROPRODUCTION
ELECTROPRODUCTION: TENSOR MESON
F2(1525): WIDTH

References(12)

Figures(0)

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Tensor Meson Excitation in the Reaction γγ→KS0KS0\gamma \gamma \to K^0_S K^0_Sγγ→KS0​KS0​

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Tensor Meson Excitation in the Reaction $\gamma \gamma \to K^0_S K^0_S$