Resonance Formation in the

M. Acciarri,O. Adriani,M. Aguilar-Benitez,S. Ahlen,J. Alcaraz, G., Alemanni,J. Allaby, A. Aloisio,G. Alverson, M G. Alviggi

semanticscholar（2016）

引用 19|浏览6

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摘要

A study of resonance formation is presented in the + 0 nal state in twophoton collisions at LEP. The a2(1320) radiative width is measured to be = 0:98 0:05 0:09 keV. The helicity 2 production is dominant. Exclusive + 0 production has also been studied in the mass region above the a2 in the and f2 channels. This region is dominated by a J=2 helicity 2 wave. Submitted to Phys. Lett. B

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