Recent results on two-photon physics at BABAR

Details Recent results on two-photon physics at BABAR Recent results on two-photon physics at BABAR

2009-09-17

arxiv.org/abs/0909.3148v2

PoS EPS-HEP2009 2009:051,2009

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages, 6 figures; added two references. To appear in the proceedings of the 2009 Europhysics Conference on High Energy Physi

Scientific paper

We present measurements of the gamma gamma* --> pi0 transition form factor
for the momentum transfer range Q^2=4-40 GeV^2 and the gamma gamma* --> eta_c
transition form factor for the range Q^2=2-50 GeV^2. The results of the
measurement of the eta_c mass, total and two-photon widths are also presented.

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