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Measurement of the radiative width of the A2(1320) in two-photon interactions
Journal article   Peer reviewed

Measurement of the radiative width of the A2(1320) in two-photon interactions

M. Althoff, W. Braunschweig, R. Gerhards, F. J. Kirschfink, H. U. Martyn, P. Rosskamp, W. Wallraff, B. Bock, J. Eisenmann, H. M. Fischer, …
Zeitschrift für Physik C Particles and Fields, Vol.31(4), pp.537-543
31
12/1986

Abstract

Physics and Astronomy (miscellaneous)
The reaction e+e-→e+e- A2 (1320) has been observed by detecting the decay A2→π+,π-π0. The two-photon width of the A2 has been measured to be G{cyrillic}(A2→γγ)=(0.09±0.27 (stat)±0.16 (syst)) keV. The cross section σ(γγ→π+,π-π0 has been determined outside the A2 resonance region.

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