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Experimental studies of π+π−K+K− production in two-photon collisions

✍ Scribed by S. Uehara

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
479 KB
Volume
126
Category
Article
ISSN
0920-5632

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✦ Synopsis

Production

of r+rTT-and K+K-pairs in two-photon collisions has been studied using 67 fb-' of data collected with the Belle detector at the asymmetric-energy e+e-collider, KEKB. The cross sections for these processes have been measured in the two-photon c.m.-energy range, 2.5 -4.1 GeV, and the em.-anglular range of the final-state meson 1 cos .Q* 1 < 0.6. The energy and angular dependence of the cross sections as well as the ratio of the K+Kto 7ri-7r-cross sections are compared to QCD predictions.

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